lavc/vp9: split into vp9{block,data,mvs}

This is following Libav layout to ease merges.

25 files changed, 5295 insertions, 5166 deletions

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 05be516..cf7ba25 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -610,8 +610,9 @@ OBJS-$(CONFIG_VP8_DECODER)             += vp8.o vp56rac.o
 OBJS-$(CONFIG_VP8_CUVID_DECODER)       += cuvid.o
 OBJS-$(CONFIG_VP8_MEDIACODEC_DECODER)  += mediacodecdec.o
 OBJS-$(CONFIG_VP8_VAAPI_ENCODER)       += vaapi_encode_vp8.o
-OBJS-$(CONFIG_VP9_DECODER)             += vp9.o vp9dsp.o vp56rac.o vp9dsp_8bpp.o \
-                                          vp9dsp_10bpp.o vp9dsp_12bpp.o
+OBJS-$(CONFIG_VP9_DECODER)             += vp9.o vp9data.o vp9dsp.o \
+                                          vp9block.o vp9prob.o vp9mvs.o vp56rac.o \
+                                          vp9dsp_8bpp.o vp9dsp_10bpp.o vp9dsp_12bpp.o
 OBJS-$(CONFIG_VP9_CUVID_DECODER)       += cuvid.o
 OBJS-$(CONFIG_VP9_MEDIACODEC_DECODER)  += mediacodecdec.o
 OBJS-$(CONFIG_VPLAYER_DECODER)         += textdec.o ass.o
diff --git a/libavcodec/aarch64/vp9dsp_init.h b/libavcodec/aarch64/vp9dsp_init.h
index 9df1752..e288fb4 100644
--- a/libavcodec/aarch64/vp9dsp_init.h
+++ b/libavcodec/aarch64/vp9dsp_init.h
@@ -21,7 +21,7 @@
 #ifndef AVCODEC_AARCH64_VP9DSP_INIT_H
 #define AVCODEC_AARCH64_VP9DSP_INIT_H
 
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 
 void ff_vp9dsp_init_10bpp_aarch64(VP9DSPContext *dsp);
 void ff_vp9dsp_init_12bpp_aarch64(VP9DSPContext *dsp);
diff --git a/libavcodec/aarch64/vp9dsp_init_aarch64.c b/libavcodec/aarch64/vp9dsp_init_aarch64.c
index 91a82d8..e27c232 100644
--- a/libavcodec/aarch64/vp9dsp_init_aarch64.c
+++ b/libavcodec/aarch64/vp9dsp_init_aarch64.c
@@ -22,7 +22,7 @@
 
 #include "libavutil/attributes.h"
 #include "libavutil/aarch64/cpu.h"
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 #include "vp9dsp_init.h"
 
 #define declare_fpel(type, sz)                                          \
diff --git a/libavcodec/arm/vp9dsp_init.h b/libavcodec/arm/vp9dsp_init.h
index 0dc1c2d..0047a24 100644
--- a/libavcodec/arm/vp9dsp_init.h
+++ b/libavcodec/arm/vp9dsp_init.h
@@ -21,7 +21,7 @@
 #ifndef AVCODEC_ARM_VP9DSP_INIT_H
 #define AVCODEC_ARM_VP9DSP_INIT_H
 
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 
 void ff_vp9dsp_init_10bpp_arm(VP9DSPContext *dsp);
 void ff_vp9dsp_init_12bpp_arm(VP9DSPContext *dsp);
diff --git a/libavcodec/arm/vp9dsp_init_arm.c b/libavcodec/arm/vp9dsp_init_arm.c
index 4c57fd6..f9245c3 100644
--- a/libavcodec/arm/vp9dsp_init_arm.c
+++ b/libavcodec/arm/vp9dsp_init_arm.c
@@ -22,7 +22,7 @@
 
 #include "libavutil/attributes.h"
 #include "libavutil/arm/cpu.h"
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 #include "vp9dsp_init.h"
 
 #define declare_fpel(type, sz)                                          \
diff --git a/libavcodec/mips/vp9_idct_msa.c b/libavcodec/mips/vp9_idct_msa.c
index 25ea16c..e2b7b3c 100644
--- a/libavcodec/mips/vp9_idct_msa.c
+++ b/libavcodec/mips/vp9_idct_msa.c
@@ -19,7 +19,7 @@
  */
 
 #include <string.h>
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 #include "libavutil/mips/generic_macros_msa.h"
 #include "vp9dsp_mips.h"
 
diff --git a/libavcodec/mips/vp9_intra_msa.c b/libavcodec/mips/vp9_intra_msa.c
index 54cf0ae..4097cf4 100644
--- a/libavcodec/mips/vp9_intra_msa.c
+++ b/libavcodec/mips/vp9_intra_msa.c
@@ -18,7 +18,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 #include "libavutil/mips/generic_macros_msa.h"
 #include "vp9dsp_mips.h"
 
diff --git a/libavcodec/mips/vp9_lpf_msa.c b/libavcodec/mips/vp9_lpf_msa.c
index eef8afc..9164dcd 100644
--- a/libavcodec/mips/vp9_lpf_msa.c
+++ b/libavcodec/mips/vp9_lpf_msa.c
@@ -18,7 +18,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 #include "libavutil/mips/generic_macros_msa.h"
 #include "vp9dsp_mips.h"
 
diff --git a/libavcodec/mips/vp9_mc_msa.c b/libavcodec/mips/vp9_mc_msa.c
index 1671d97..52207b6 100644
--- a/libavcodec/mips/vp9_mc_msa.c
+++ b/libavcodec/mips/vp9_mc_msa.c
@@ -18,7 +18,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 #include "libavutil/mips/generic_macros_msa.h"
 #include "vp9dsp_mips.h"
 
diff --git a/libavcodec/mips/vp9dsp_init_mips.c b/libavcodec/mips/vp9dsp_init_mips.c
index c8a4890..3248baa 100644
--- a/libavcodec/mips/vp9dsp_init_mips.c
+++ b/libavcodec/mips/vp9dsp_init_mips.c
@@ -20,7 +20,7 @@
 
 #include "config.h"
 #include "libavutil/common.h"
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 #include "vp9dsp_mips.h"
 
 #if HAVE_MSA
diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c
index a41f3a3..16f4c0d 100644
--- a/libavcodec/vp9.c
+++ b/libavcodec/vp9.c
@@ -30,150 +30,12 @@
 #include "vp56.h"
 #include "vp9.h"
 #include "vp9data.h"
-#include "vp9dsp.h"
+#include "vp9.h"
 #include "libavutil/avassert.h"
 #include "libavutil/pixdesc.h"
 
 #define VP9_SYNCCODE 0x498342
 
-struct VP9Filter {
-    uint8_t level[8 * 8];
-    uint8_t /* bit=col */ mask[2 /* 0=y, 1=uv */][2 /* 0=col, 1=row */]
-                              [8 /* rows */][4 /* 0=16, 1=8, 2=4, 3=inner4 */];
-};
-
-typedef struct VP9Block {
-    uint8_t seg_id, intra, comp, ref[2], mode[4], uvmode, skip;
-    enum FilterMode filter;
-    VP56mv mv[4 /* b_idx */][2 /* ref */];
-    enum BlockSize bs;
-    enum TxfmMode tx, uvtx;
-    enum BlockLevel bl;
-    enum BlockPartition bp;
-} VP9Block;
-
-typedef struct VP9Context {
-    VP9SharedContext s;
-
-    VP9DSPContext dsp;
-    VideoDSPContext vdsp;
-    GetBitContext gb;
-    VP56RangeCoder c;
-    VP56RangeCoder *c_b;
-    unsigned c_b_size;
-    VP9Block *b_base, *b;
-    int pass;
-    int row, row7, col, col7;
-    uint8_t *dst[3];
-    ptrdiff_t y_stride, uv_stride;
-
-    uint8_t ss_h, ss_v;
-    uint8_t last_bpp, bpp_index, bytesperpixel;
-    uint8_t last_keyframe;
-    // sb_cols/rows, rows/cols and last_fmt are used for allocating all internal
-    // arrays, and are thus per-thread. w/h and gf_fmt are synced between threads
-    // and are therefore per-stream. pix_fmt represents the value in the header
-    // of the currently processed frame.
-    int w, h;
-    enum AVPixelFormat pix_fmt, last_fmt, gf_fmt;
-    unsigned sb_cols, sb_rows, rows, cols;
-    ThreadFrame next_refs[8];
-
-    struct {
-        uint8_t lim_lut[64];
-        uint8_t mblim_lut[64];
-    } filter_lut;
-    unsigned tile_row_start, tile_row_end, tile_col_start, tile_col_end;
-    struct {
-        prob_context p;
-        uint8_t coef[4][2][2][6][6][3];
-    } prob_ctx[4];
-    struct {
-        prob_context p;
-        uint8_t coef[4][2][2][6][6][11];
-    } prob;
-    struct {
-        unsigned y_mode[4][10];
-        unsigned uv_mode[10][10];
-        unsigned filter[4][3];
-        unsigned mv_mode[7][4];
-        unsigned intra[4][2];
-        unsigned comp[5][2];
-        unsigned single_ref[5][2][2];
-        unsigned comp_ref[5][2];
-        unsigned tx32p[2][4];
-        unsigned tx16p[2][3];
-        unsigned tx8p[2][2];
-        unsigned skip[3][2];
-        unsigned mv_joint[4];
-        struct {
-            unsigned sign[2];
-            unsigned classes[11];
-            unsigned class0[2];
-            unsigned bits[10][2];
-            unsigned class0_fp[2][4];
-            unsigned fp[4];
-            unsigned class0_hp[2];
-            unsigned hp[2];
-        } mv_comp[2];
-        unsigned partition[4][4][4];
-        unsigned coef[4][2][2][6][6][3];
-        unsigned eob[4][2][2][6][6][2];
-    } counts;
-
-    // contextual (left/above) cache
-    DECLARE_ALIGNED(16, uint8_t, left_y_nnz_ctx)[16];
-    DECLARE_ALIGNED(16, uint8_t, left_mode_ctx)[16];
-    DECLARE_ALIGNED(16, VP56mv, left_mv_ctx)[16][2];
-    DECLARE_ALIGNED(16, uint8_t, left_uv_nnz_ctx)[2][16];
-    DECLARE_ALIGNED(8, uint8_t, left_partition_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_skip_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_txfm_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_segpred_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_intra_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_comp_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_ref_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_filter_ctx)[8];
-    uint8_t *above_partition_ctx;
-    uint8_t *above_mode_ctx;
-    // FIXME maybe merge some of the below in a flags field?
-    uint8_t *above_y_nnz_ctx;
-    uint8_t *above_uv_nnz_ctx[2];
-    uint8_t *above_skip_ctx; // 1bit
-    uint8_t *above_txfm_ctx; // 2bit
-    uint8_t *above_segpred_ctx; // 1bit
-    uint8_t *above_intra_ctx; // 1bit
-    uint8_t *above_comp_ctx; // 1bit
-    uint8_t *above_ref_ctx; // 2bit
-    uint8_t *above_filter_ctx;
-    VP56mv (*above_mv_ctx)[2];
-
-    // whole-frame cache
-    uint8_t *intra_pred_data[3];
-    struct VP9Filter *lflvl;
-    DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer)[135 * 144 * 2];
-
-    // block reconstruction intermediates
-    int block_alloc_using_2pass;
-    int16_t *block_base, *block, *uvblock_base[2], *uvblock[2];
-    uint8_t *eob_base, *uveob_base[2], *eob, *uveob[2];
-    struct { int x, y; } min_mv, max_mv;
-    DECLARE_ALIGNED(32, uint8_t, tmp_y)[64 * 64 * 2];
-    DECLARE_ALIGNED(32, uint8_t, tmp_uv)[2][64 * 64 * 2];
-    uint16_t mvscale[3][2];
-    uint8_t mvstep[3][2];
-} VP9Context;
-
-static const uint8_t bwh_tab[2][N_BS_SIZES][2] = {
-    {
-        { 16, 16 }, { 16, 8 }, { 8, 16 }, { 8, 8 }, { 8, 4 }, { 4, 8 },
-        { 4, 4 }, { 4, 2 }, { 2, 4 }, { 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 },
-    }, {
-        { 8, 8 }, { 8, 4 }, { 4, 8 }, { 4, 4 }, { 4, 2 }, { 2, 4 },
-        { 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 }, { 1, 1 }, { 1, 1 }, { 1, 1 },
-    }
-};
-
 static void vp9_unref_frame(AVCodecContext *ctx, VP9Frame *f)
 {
     ff_thread_release_buffer(ctx, &f->tf);
@@ -736,10 +598,10 @@ static int decode_frame_header(AVCodecContext *ctx,
         quvac = av_clip_uintp2(qyac + s->s.h.uvac_qdelta, 8);
         qyac  = av_clip_uintp2(qyac, 8);
 
-        s->s.h.segmentation.feat[i].qmul[0][0] = vp9_dc_qlookup[s->bpp_index][qydc];
-        s->s.h.segmentation.feat[i].qmul[0][1] = vp9_ac_qlookup[s->bpp_index][qyac];
-        s->s.h.segmentation.feat[i].qmul[1][0] = vp9_dc_qlookup[s->bpp_index][quvdc];
-        s->s.h.segmentation.feat[i].qmul[1][1] = vp9_ac_qlookup[s->bpp_index][quvac];
+        s->s.h.segmentation.feat[i].qmul[0][0] = ff_vp9_dc_qlookup[s->bpp_index][qydc];
+        s->s.h.segmentation.feat[i].qmul[0][1] = ff_vp9_ac_qlookup[s->bpp_index][qyac];
+        s->s.h.segmentation.feat[i].qmul[1][0] = ff_vp9_dc_qlookup[s->bpp_index][quvdc];
+        s->s.h.segmentation.feat[i].qmul[1][1] = ff_vp9_ac_qlookup[s->bpp_index][quvac];
 
         sh = s->s.h.filter.level >= 32;
         if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[i].lf_enabled) {
@@ -828,19 +690,19 @@ static int decode_frame_header(AVCodecContext *ctx,
 
     if (s->s.h.keyframe || s->s.h.errorres || (s->s.h.intraonly && s->s.h.resetctx == 3)) {
         s->prob_ctx[0].p = s->prob_ctx[1].p = s->prob_ctx[2].p =
-                           s->prob_ctx[3].p = vp9_default_probs;
-        memcpy(s->prob_ctx[0].coef, vp9_default_coef_probs,
-               sizeof(vp9_default_coef_probs));
-        memcpy(s->prob_ctx[1].coef, vp9_default_coef_probs,
-               sizeof(vp9_default_coef_probs));
-        memcpy(s->prob_ctx[2].coef, vp9_default_coef_probs,
-               sizeof(vp9_default_coef_probs));
-        memcpy(s->prob_ctx[3].coef, vp9_default_coef_probs,
-               sizeof(vp9_default_coef_probs));
+                           s->prob_ctx[3].p = ff_vp9_default_probs;
+        memcpy(s->prob_ctx[0].coef, ff_vp9_default_coef_probs,
+               sizeof(ff_vp9_default_coef_probs));
+        memcpy(s->prob_ctx[1].coef, ff_vp9_default_coef_probs,
+               sizeof(ff_vp9_default_coef_probs));
+        memcpy(s->prob_ctx[2].coef, ff_vp9_default_coef_probs,
+               sizeof(ff_vp9_default_coef_probs));
+        memcpy(s->prob_ctx[3].coef, ff_vp9_default_coef_probs,
+               sizeof(ff_vp9_default_coef_probs));
     } else if (s->s.h.intraonly && s->s.h.resetctx == 2) {
-        s->prob_ctx[c].p = vp9_default_probs;
-        memcpy(s->prob_ctx[c].coef, vp9_default_coef_probs,
-               sizeof(vp9_default_coef_probs));
+        s->prob_ctx[c].p = ff_vp9_default_probs;
+        memcpy(s->prob_ctx[c].coef, ff_vp9_default_coef_probs,
+               sizeof(ff_vp9_default_coef_probs));
     }
 
     // next 16 bits is size of the rest of the header (arith-coded)
@@ -1053,2366 +915,13 @@ static int decode_frame_header(AVCodecContext *ctx,
     return (data2 - data) + size2;
 }
 
-static av_always_inline void clamp_mv(VP56mv *dst, const VP56mv *src,
-                                      VP9Context *s)
-{
-    dst->x = av_clip(src->x, s->min_mv.x, s->max_mv.x);
-    dst->y = av_clip(src->y, s->min_mv.y, s->max_mv.y);
-}
-
-static void find_ref_mvs(VP9Context *s,
-                         VP56mv *pmv, int ref, int z, int idx, int sb)
-{
-    static const int8_t mv_ref_blk_off[N_BS_SIZES][8][2] = {
-        [BS_64x64] = {{  3, -1 }, { -1,  3 }, {  4, -1 }, { -1,  4 },
-                      { -1, -1 }, {  0, -1 }, { -1,  0 }, {  6, -1 }},
-        [BS_64x32] = {{  0, -1 }, { -1,  0 }, {  4, -1 }, { -1,  2 },
-                      { -1, -1 }, {  0, -3 }, { -3,  0 }, {  2, -1 }},
-        [BS_32x64] = {{ -1,  0 }, {  0, -1 }, { -1,  4 }, {  2, -1 },
-                      { -1, -1 }, { -3,  0 }, {  0, -3 }, { -1,  2 }},
-        [BS_32x32] = {{  1, -1 }, { -1,  1 }, {  2, -1 }, { -1,  2 },
-                      { -1, -1 }, {  0, -3 }, { -3,  0 }, { -3, -3 }},
-        [BS_32x16] = {{  0, -1 }, { -1,  0 }, {  2, -1 }, { -1, -1 },
-                      { -1,  1 }, {  0, -3 }, { -3,  0 }, { -3, -3 }},
-        [BS_16x32] = {{ -1,  0 }, {  0, -1 }, { -1,  2 }, { -1, -1 },
-                      {  1, -1 }, { -3,  0 }, {  0, -3 }, { -3, -3 }},
-        [BS_16x16] = {{  0, -1 }, { -1,  0 }, {  1, -1 }, { -1,  1 },
-                      { -1, -1 }, {  0, -3 }, { -3,  0 }, { -3, -3 }},
-        [BS_16x8]  = {{  0, -1 }, { -1,  0 }, {  1, -1 }, { -1, -1 },
-                      {  0, -2 }, { -2,  0 }, { -2, -1 }, { -1, -2 }},
-        [BS_8x16]  = {{ -1,  0 }, {  0, -1 }, { -1,  1 }, { -1, -1 },
-                      { -2,  0 }, {  0, -2 }, { -1, -2 }, { -2, -1 }},
-        [BS_8x8]   = {{  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
-                      { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }},
-        [BS_8x4]   = {{  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
-                      { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }},
-        [BS_4x8]   = {{  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
-                      { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }},
-        [BS_4x4]   = {{  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
-                      { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }},
-    };
-    VP9Block *b = s->b;
-    int row = s->row, col = s->col, row7 = s->row7;
-    const int8_t (*p)[2] = mv_ref_blk_off[b->bs];
-#define INVALID_MV 0x80008000U
-    uint32_t mem = INVALID_MV, mem_sub8x8 = INVALID_MV;
-    int i;
-
-#define RETURN_DIRECT_MV(mv) \
-    do { \
-        uint32_t m = AV_RN32A(&mv); \
-        if (!idx) { \
-            AV_WN32A(pmv, m); \
-            return; \
-        } else if (mem == INVALID_MV) { \
-            mem = m; \
-        } else if (m != mem) { \
-            AV_WN32A(pmv, m); \
-            return; \
-        } \
-    } while (0)
-
-    if (sb >= 0) {
-        if (sb == 2 || sb == 1) {
-            RETURN_DIRECT_MV(b->mv[0][z]);
-        } else if (sb == 3) {
-            RETURN_DIRECT_MV(b->mv[2][z]);
-            RETURN_DIRECT_MV(b->mv[1][z]);
-            RETURN_DIRECT_MV(b->mv[0][z]);
-        }
-
-#define RETURN_MV(mv) \
-    do { \
-        if (sb > 0) { \
-            VP56mv tmp; \
-            uint32_t m; \
-            av_assert2(idx == 1); \
-            av_assert2(mem != INVALID_MV); \
-            if (mem_sub8x8 == INVALID_MV) { \
-                clamp_mv(&tmp, &mv, s); \
-                m = AV_RN32A(&tmp); \
-                if (m != mem) { \
-                    AV_WN32A(pmv, m); \
-                    return; \
-                } \
-                mem_sub8x8 = AV_RN32A(&mv); \
-            } else if (mem_sub8x8 != AV_RN32A(&mv)) { \
-                clamp_mv(&tmp, &mv, s); \
-                m = AV_RN32A(&tmp); \
-                if (m != mem) { \
-                    AV_WN32A(pmv, m); \
-                } else { \
-                    /* BUG I'm pretty sure this isn't the intention */ \
-                    AV_WN32A(pmv, 0); \
-                } \
-                return; \
-            } \
-        } else { \
-            uint32_t m = AV_RN32A(&mv); \
-            if (!idx) { \
-                clamp_mv(pmv, &mv, s); \
-                return; \
-            } else if (mem == INVALID_MV) { \
-                mem = m; \
-            } else if (m != mem) { \
-                clamp_mv(pmv, &mv, s); \
-                return; \
-            } \
-        } \
-    } while (0)
-
-        if (row > 0) {
-            struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[(row - 1) * s->sb_cols * 8 + col];
-            if (mv->ref[0] == ref) {
-                RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][0]);
-            } else if (mv->ref[1] == ref) {
-                RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][1]);
-            }
-        }
-        if (col > s->tile_col_start) {
-            struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[row * s->sb_cols * 8 + col - 1];
-            if (mv->ref[0] == ref) {
-                RETURN_MV(s->left_mv_ctx[2 * row7 + (sb >> 1)][0]);
-            } else if (mv->ref[1] == ref) {
-                RETURN_MV(s->left_mv_ctx[2 * row7 + (sb >> 1)][1]);
-            }
-        }
-        i = 2;
-    } else {
-        i = 0;
-    }
-
-    // previously coded MVs in this neighbourhood, using same reference frame
-    for (; i < 8; i++) {
-        int c = p[i][0] + col, r = p[i][1] + row;
-
-        if (c >= s->tile_col_start && c < s->cols && r >= 0 && r < s->rows) {
-            struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];
-
-            if (mv->ref[0] == ref) {
-                RETURN_MV(mv->mv[0]);
-            } else if (mv->ref[1] == ref) {
-                RETURN_MV(mv->mv[1]);
-            }
-        }
-    }
-
-    // MV at this position in previous frame, using same reference frame
-    if (s->s.h.use_last_frame_mvs) {
-        struct VP9mvrefPair *mv = &s->s.frames[REF_FRAME_MVPAIR].mv[row * s->sb_cols * 8 + col];
-
-        if (!s->s.frames[REF_FRAME_MVPAIR].uses_2pass)
-            ff_thread_await_progress(&s->s.frames[REF_FRAME_MVPAIR].tf, row >> 3, 0);
-        if (mv->ref[0] == ref) {
-            RETURN_MV(mv->mv[0]);
-        } else if (mv->ref[1] == ref) {
-            RETURN_MV(mv->mv[1]);
-        }
-    }
-
-#define RETURN_SCALE_MV(mv, scale) \
-    do { \
-        if (scale) { \
-            VP56mv mv_temp = { -mv.x, -mv.y }; \
-            RETURN_MV(mv_temp); \
-        } else { \
-            RETURN_MV(mv); \
-        } \
-    } while (0)
-
-    // previously coded MVs in this neighbourhood, using different reference frame
-    for (i = 0; i < 8; i++) {
-        int c = p[i][0] + col, r = p[i][1] + row;
-
-        if (c >= s->tile_col_start && c < s->cols && r >= 0 && r < s->rows) {
-            struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];
-
-            if (mv->ref[0] != ref && mv->ref[0] >= 0) {
-                RETURN_SCALE_MV(mv->mv[0], s->s.h.signbias[mv->ref[0]] != s->s.h.signbias[ref]);
-            }
-            if (mv->ref[1] != ref && mv->ref[1] >= 0 &&
-                // BUG - libvpx has this condition regardless of whether
-                // we used the first ref MV and pre-scaling
-                AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) {
-                RETURN_SCALE_MV(mv->mv[1], s->s.h.signbias[mv->ref[1]] != s->s.h.signbias[ref]);
-            }
-        }
-    }
-
-    // MV at this position in previous frame, using different reference frame
-    if (s->s.h.use_last_frame_mvs) {
-        struct VP9mvrefPair *mv = &s->s.frames[REF_FRAME_MVPAIR].mv[row * s->sb_cols * 8 + col];
-
-        // no need to await_progress, because we already did that above
-        if (mv->ref[0] != ref && mv->ref[0] >= 0) {
-            RETURN_SCALE_MV(mv->mv[0], s->s.h.signbias[mv->ref[0]] != s->s.h.signbias[ref]);
-        }
-        if (mv->ref[1] != ref && mv->ref[1] >= 0 &&
-            // BUG - libvpx has this condition regardless of whether
-            // we used the first ref MV and pre-scaling
-            AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) {
-            RETURN_SCALE_MV(mv->mv[1], s->s.h.signbias[mv->ref[1]] != s->s.h.signbias[ref]);
-        }
-    }
-
-    AV_ZERO32(pmv);
-    clamp_mv(pmv, pmv, s);
-#undef INVALID_MV
-#undef RETURN_MV
-#undef RETURN_SCALE_MV
-}
-
-static av_always_inline int read_mv_component(VP9Context *s, int idx, int hp)
-{
-    int bit, sign = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].sign);
-    int n, c = vp8_rac_get_tree(&s->c, vp9_mv_class_tree,
-                                s->prob.p.mv_comp[idx].classes);
-
-    s->counts.mv_comp[idx].sign[sign]++;
-    s->counts.mv_comp[idx].classes[c]++;
-    if (c) {
-        int m;
-
-        for (n = 0, m = 0; m < c; m++) {
-            bit = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].bits[m]);
-            n |= bit << m;
-            s->counts.mv_comp[idx].bits[m][bit]++;
-        }
-        n <<= 3;
-        bit = vp8_rac_get_tree(&s->c, vp9_mv_fp_tree, s->prob.p.mv_comp[idx].fp);
-        n |= bit << 1;
-        s->counts.mv_comp[idx].fp[bit]++;
-        if (hp) {
-            bit = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].hp);
-            s->counts.mv_comp[idx].hp[bit]++;
-            n |= bit;
-        } else {
-            n |= 1;
-            // bug in libvpx - we count for bw entropy purposes even if the
-            // bit wasn't coded
-            s->counts.mv_comp[idx].hp[1]++;
-        }
-        n += 8 << c;
-    } else {
-        n = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].class0);
-        s->counts.mv_comp[idx].class0[n]++;
-        bit = vp8_rac_get_tree(&s->c, vp9_mv_fp_tree,
-                               s->prob.p.mv_comp[idx].class0_fp[n]);
-        s->counts.mv_comp[idx].class0_fp[n][bit]++;
-        n = (n << 3) | (bit << 1);
-        if (hp) {
-            bit = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].class0_hp);
-            s->counts.mv_comp[idx].class0_hp[bit]++;
-            n |= bit;
-        } else {
-            n |= 1;
-            // bug in libvpx - we count for bw entropy purposes even if the
-            // bit wasn't coded
-            s->counts.mv_comp[idx].class0_hp[1]++;
-        }
-    }
-
-    return sign ? -(n + 1) : (n + 1);
-}
-
-static void fill_mv(VP9Context *s,
-                    VP56mv *mv, int mode, int sb)
-{
-    VP9Block *b = s->b;
-
-    if (mode == ZEROMV) {
-        AV_ZERO64(mv);
-    } else {
-        int hp;
-
-        // FIXME cache this value and reuse for other subblocks
-        find_ref_mvs(s, &mv[0], b->ref[0], 0, mode == NEARMV,
-                     mode == NEWMV ? -1 : sb);
-        // FIXME maybe move this code into find_ref_mvs()
-        if ((mode == NEWMV || sb == -1) &&
-            !(hp = s->s.h.highprecisionmvs && abs(mv[0].x) < 64 && abs(mv[0].y) < 64)) {
-            if (mv[0].y & 1) {
-                if (mv[0].y < 0)
-                    mv[0].y++;
-                else
-                    mv[0].y--;
-            }
-            if (mv[0].x & 1) {
-                if (mv[0].x < 0)
-                    mv[0].x++;
-                else
-                    mv[0].x--;
-            }
-        }
-        if (mode == NEWMV) {
-            enum MVJoint j = vp8_rac_get_tree(&s->c, vp9_mv_joint_tree,
-                                              s->prob.p.mv_joint);
-
-            s->counts.mv_joint[j]++;
-            if (j >= MV_JOINT_V)
-                mv[0].y += read_mv_component(s, 0, hp);
-            if (j & 1)
-                mv[0].x += read_mv_component(s, 1, hp);
-        }
-
-        if (b->comp) {
-            // FIXME cache this value and reuse for other subblocks
-            find_ref_mvs(s, &mv[1], b->ref[1], 1, mode == NEARMV,
-                         mode == NEWMV ? -1 : sb);
-            if ((mode == NEWMV || sb == -1) &&
-                !(hp = s->s.h.highprecisionmvs && abs(mv[1].x) < 64 && abs(mv[1].y) < 64)) {
-                if (mv[1].y & 1) {
-                    if (mv[1].y < 0)
-                        mv[1].y++;
-                    else
-                        mv[1].y--;
-                }
-                if (mv[1].x & 1) {
-                    if (mv[1].x < 0)
-                        mv[1].x++;
-                    else
-                        mv[1].x--;
-                }
-            }
-            if (mode == NEWMV) {
-                enum MVJoint j = vp8_rac_get_tree(&s->c, vp9_mv_joint_tree,
-                                                  s->prob.p.mv_joint);
-
-                s->counts.mv_joint[j]++;
-                if (j >= MV_JOINT_V)
-                    mv[1].y += read_mv_component(s, 0, hp);
-                if (j & 1)
-                    mv[1].x += read_mv_component(s, 1, hp);
-            }
-        }
-    }
-}
-
-static av_always_inline void setctx_2d(uint8_t *ptr, int w, int h,
-                                       ptrdiff_t stride, int v)
-{
-    switch (w) {
-    case 1:
-        do {
-            *ptr = v;
-            ptr += stride;
-        } while (--h);
-        break;
-    case 2: {
-        int v16 = v * 0x0101;
-        do {
-            AV_WN16A(ptr, v16);
-            ptr += stride;
-        } while (--h);
-        break;
-    }
-    case 4: {
-        uint32_t v32 = v * 0x01010101;
-        do {
-            AV_WN32A(ptr, v32);
-            ptr += stride;
-        } while (--h);
-        break;
-    }
-    case 8: {
-#if HAVE_FAST_64BIT
-        uint64_t v64 = v * 0x0101010101010101ULL;
-        do {
-            AV_WN64A(ptr, v64);
-            ptr += stride;
-        } while (--h);
-#else
-        uint32_t v32 = v * 0x01010101;
-        do {
-            AV_WN32A(ptr,     v32);
-            AV_WN32A(ptr + 4, v32);
-            ptr += stride;
-        } while (--h);
-#endif
-        break;
-    }
-    }
-}
-
-static void decode_mode(AVCodecContext *ctx)
-{
-    static const uint8_t left_ctx[N_BS_SIZES] = {
-        0x0, 0x8, 0x0, 0x8, 0xc, 0x8, 0xc, 0xe, 0xc, 0xe, 0xf, 0xe, 0xf
-    };
-    static const uint8_t above_ctx[N_BS_SIZES] = {
-        0x0, 0x0, 0x8, 0x8, 0x8, 0xc, 0xc, 0xc, 0xe, 0xe, 0xe, 0xf, 0xf
-    };
-    static const uint8_t max_tx_for_bl_bp[N_BS_SIZES] = {
-        TX_32X32, TX_32X32, TX_32X32, TX_32X32, TX_16X16, TX_16X16,
-        TX_16X16, TX_8X8, TX_8X8, TX_8X8, TX_4X4, TX_4X4, TX_4X4
-    };
-    VP9Context *s = ctx->priv_data;
-    VP9Block *b = s->b;
-    int row = s->row, col = s->col, row7 = s->row7;
-    enum TxfmMode max_tx = max_tx_for_bl_bp[b->bs];
-    int bw4 = bwh_tab[1][b->bs][0], w4 = FFMIN(s->cols - col, bw4);
-    int bh4 = bwh_tab[1][b->bs][1], h4 = FFMIN(s->rows - row, bh4), y;
-    int have_a = row > 0, have_l = col > s->tile_col_start;
-    int vref, filter_id;
-
-    if (!s->s.h.segmentation.enabled) {
-        b->seg_id = 0;
-    } else if (s->s.h.keyframe || s->s.h.intraonly) {
-        b->seg_id = !s->s.h.segmentation.update_map ? 0 :
-                    vp8_rac_get_tree(&s->c, vp9_segmentation_tree, s->s.h.segmentation.prob);
-    } else if (!s->s.h.segmentation.update_map ||
-               (s->s.h.segmentation.temporal &&
-                vp56_rac_get_prob_branchy(&s->c,
-                    s->s.h.segmentation.pred_prob[s->above_segpred_ctx[col] +
-                                    s->left_segpred_ctx[row7]]))) {
-        if (!s->s.h.errorres && s->s.frames[REF_FRAME_SEGMAP].segmentation_map) {
-            int pred = 8, x;
-            uint8_t *refsegmap = s->s.frames[REF_FRAME_SEGMAP].segmentation_map;
-
-            if (!s->s.frames[REF_FRAME_SEGMAP].uses_2pass)
-                ff_thread_await_progress(&s->s.frames[REF_FRAME_SEGMAP].tf, row >> 3, 0);
-            for (y = 0; y < h4; y++) {
-                int idx_base = (y + row) * 8 * s->sb_cols + col;
-                for (x = 0; x < w4; x++)
-                    pred = FFMIN(pred, refsegmap[idx_base + x]);
-            }
-            av_assert1(pred < 8);
-            b->seg_id = pred;
-        } else {
-            b->seg_id = 0;
-        }
-
-        memset(&s->above_segpred_ctx[col], 1, w4);
-        memset(&s->left_segpred_ctx[row7], 1, h4);
-    } else {
-        b->seg_id = vp8_rac_get_tree(&s->c, vp9_segmentation_tree,
-                                     s->s.h.segmentation.prob);
-
-        memset(&s->above_segpred_ctx[col], 0, w4);
-        memset(&s->left_segpred_ctx[row7], 0, h4);
-    }
-    if (s->s.h.segmentation.enabled &&
-        (s->s.h.segmentation.update_map || s->s.h.keyframe || s->s.h.intraonly)) {
-        setctx_2d(&s->s.frames[CUR_FRAME].segmentation_map[row * 8 * s->sb_cols + col],
-                  bw4, bh4, 8 * s->sb_cols, b->seg_id);
-    }
-
-    b->skip = s->s.h.segmentation.enabled &&
-        s->s.h.segmentation.feat[b->seg_id].skip_enabled;
-    if (!b->skip) {
-        int c = s->left_skip_ctx[row7] + s->above_skip_ctx[col];
-        b->skip = vp56_rac_get_prob(&s->c, s->prob.p.skip[c]);
-        s->counts.skip[c][b->skip]++;
-    }
-
-    if (s->s.h.keyframe || s->s.h.intraonly) {
-        b->intra = 1;
-    } else if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[b->seg_id].ref_enabled) {
-        b->intra = !s->s.h.segmentation.feat[b->seg_id].ref_val;
-    } else {
-        int c, bit;
-
-        if (have_a && have_l) {
-            c = s->above_intra_ctx[col] + s->left_intra_ctx[row7];
-            c += (c == 2);
-        } else {
-            c = have_a ? 2 * s->above_intra_ctx[col] :
-                have_l ? 2 * s->left_intra_ctx[row7] : 0;
-        }
-        bit = vp56_rac_get_prob(&s->c, s->prob.p.intra[c]);
-        s->counts.intra[c][bit]++;
-        b->intra = !bit;
-    }
-
-    if ((b->intra || !b->skip) && s->s.h.txfmmode == TX_SWITCHABLE) {
-        int c;
-        if (have_a) {
-            if (have_l) {
-                c = (s->above_skip_ctx[col] ? max_tx :
-                     s->above_txfm_ctx[col]) +
-                    (s->left_skip_ctx[row7] ? max_tx :
-                     s->left_txfm_ctx[row7]) > max_tx;
-            } else {
-                c = s->above_skip_ctx[col] ? 1 :
-                    (s->above_txfm_ctx[col] * 2 > max_tx);
-            }
-        } else if (have_l) {
-            c = s->left_skip_ctx[row7] ? 1 :
-                (s->left_txfm_ctx[row7] * 2 > max_tx);
-        } else {
-            c = 1;
-        }
-        switch (max_tx) {
-        case TX_32X32:
-            b->tx = vp56_rac_get_prob(&s->c, s->prob.p.tx32p[c][0]);
-            if (b->tx) {
-                b->tx += vp56_rac_get_prob(&s->c, s->prob.p.tx32p[c][1]);
-                if (b->tx == 2)
-                    b->tx += vp56_rac_get_prob(&s->c, s->prob.p.tx32p[c][2]);
-            }
-            s->counts.tx32p[c][b->tx]++;
-            break;
-        case TX_16X16:
-            b->tx = vp56_rac_get_prob(&s->c, s->prob.p.tx16p[c][0]);
-            if (b->tx)
-                b->tx += vp56_rac_get_prob(&s->c, s->prob.p.tx16p[c][1]);
-            s->counts.tx16p[c][b->tx]++;
-            break;
-        case TX_8X8:
-            b->tx = vp56_rac_get_prob(&s->c, s->prob.p.tx8p[c]);
-            s->counts.tx8p[c][b->tx]++;
-            break;
-        case TX_4X4:
-            b->tx = TX_4X4;
-            break;
-        }
-    } else {
-        b->tx = FFMIN(max_tx, s->s.h.txfmmode);
-    }
-
-    if (s->s.h.keyframe || s->s.h.intraonly) {
-        uint8_t *a = &s->above_mode_ctx[col * 2];
-        uint8_t *l = &s->left_mode_ctx[(row7) << 1];
-
-        b->comp = 0;
-        if (b->bs > BS_8x8) {
-            // FIXME the memory storage intermediates here aren't really
-            // necessary, they're just there to make the code slightly
-            // simpler for now
-            b->mode[0] = a[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                    vp9_default_kf_ymode_probs[a[0]][l[0]]);
-            if (b->bs != BS_8x4) {
-                b->mode[1] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                 vp9_default_kf_ymode_probs[a[1]][b->mode[0]]);
-                l[0] = a[1] = b->mode[1];
-            } else {
-                l[0] = a[1] = b->mode[1] = b->mode[0];
-            }
-            if (b->bs != BS_4x8) {
-                b->mode[2] = a[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                        vp9_default_kf_ymode_probs[a[0]][l[1]]);
-                if (b->bs != BS_8x4) {
-                    b->mode[3] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                  vp9_default_kf_ymode_probs[a[1]][b->mode[2]]);
-                    l[1] = a[1] = b->mode[3];
-                } else {
-                    l[1] = a[1] = b->mode[3] = b->mode[2];
-                }
-            } else {
-                b->mode[2] = b->mode[0];
-                l[1] = a[1] = b->mode[3] = b->mode[1];
-            }
-        } else {
-            b->mode[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                          vp9_default_kf_ymode_probs[*a][*l]);
-            b->mode[3] = b->mode[2] = b->mode[1] = b->mode[0];
-            // FIXME this can probably be optimized
-            memset(a, b->mode[0], bwh_tab[0][b->bs][0]);
-            memset(l, b->mode[0], bwh_tab[0][b->bs][1]);
-        }
-        b->uvmode = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                     vp9_default_kf_uvmode_probs[b->mode[3]]);
-    } else if (b->intra) {
-        b->comp = 0;
-        if (b->bs > BS_8x8) {
-            b->mode[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                          s->prob.p.y_mode[0]);
-            s->counts.y_mode[0][b->mode[0]]++;
-            if (b->bs != BS_8x4) {
-                b->mode[1] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                              s->prob.p.y_mode[0]);
-                s->counts.y_mode[0][b->mode[1]]++;
-            } else {
-                b->mode[1] = b->mode[0];
-            }
-            if (b->bs != BS_4x8) {
-                b->mode[2] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                              s->prob.p.y_mode[0]);
-                s->counts.y_mode[0][b->mode[2]]++;
-                if (b->bs != BS_8x4) {
-                    b->mode[3] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                                  s->prob.p.y_mode[0]);
-                    s->counts.y_mode[0][b->mode[3]]++;
-                } else {
-                    b->mode[3] = b->mode[2];
-                }
-            } else {
-                b->mode[2] = b->mode[0];
-                b->mode[3] = b->mode[1];
-            }
-        } else {
-            static const uint8_t size_group[10] = {
-                3, 3, 3, 3, 2, 2, 2, 1, 1, 1
-            };
-            int sz = size_group[b->bs];
-
-            b->mode[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                          s->prob.p.y_mode[sz]);
-            b->mode[1] = b->mode[2] = b->mode[3] = b->mode[0];
-            s->counts.y_mode[sz][b->mode[3]]++;
-        }
-        b->uvmode = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                     s->prob.p.uv_mode[b->mode[3]]);
-        s->counts.uv_mode[b->mode[3]][b->uvmode]++;
-    } else {
-        static const uint8_t inter_mode_ctx_lut[14][14] = {
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 3 },
-            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 3 },
-            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 0, 3 },
-            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 4 },
-        };
-
-        if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[b->seg_id].ref_enabled) {
-            av_assert2(s->s.h.segmentation.feat[b->seg_id].ref_val != 0);
-            b->comp = 0;
-            b->ref[0] = s->s.h.segmentation.feat[b->seg_id].ref_val - 1;
-        } else {
-            // read comp_pred flag
-            if (s->s.h.comppredmode != PRED_SWITCHABLE) {
-                b->comp = s->s.h.comppredmode == PRED_COMPREF;
-            } else {
-                int c;
-
-                // FIXME add intra as ref=0xff (or -1) to make these easier?
-                if (have_a) {
-                    if (have_l) {
-                        if (s->above_comp_ctx[col] && s->left_comp_ctx[row7]) {
-                            c = 4;
-                        } else if (s->above_comp_ctx[col]) {
-                            c = 2 + (s->left_intra_ctx[row7] ||
-                                     s->left_ref_ctx[row7] == s->s.h.fixcompref);
-                        } else if (s->left_comp_ctx[row7]) {
-                            c = 2 + (s->above_intra_ctx[col] ||
-                                     s->above_ref_ctx[col] == s->s.h.fixcompref);
-                        } else {
-                            c = (!s->above_intra_ctx[col] &&
-                                 s->above_ref_ctx[col] == s->s.h.fixcompref) ^
-                            (!s->left_intra_ctx[row7] &&
-                             s->left_ref_ctx[row & 7] == s->s.h.fixcompref);
-                        }
-                    } else {
-                        c = s->above_comp_ctx[col] ? 3 :
-                        (!s->above_intra_ctx[col] && s->above_ref_ctx[col] == s->s.h.fixcompref);
-                    }
-                } else if (have_l) {
-                    c = s->left_comp_ctx[row7] ? 3 :
-                    (!s->left_intra_ctx[row7] && s->left_ref_ctx[row7] == s->s.h.fixcompref);
-                } else {
-                    c = 1;
-                }
-                b->comp = vp56_rac_get_prob(&s->c, s->prob.p.comp[c]);
-                s->counts.comp[c][b->comp]++;
-            }
-
-            // read actual references
-            // FIXME probably cache a few variables here to prevent repetitive
-            // memory accesses below
-            if (b->comp) /* two references */ {
-                int fix_idx = s->s.h.signbias[s->s.h.fixcompref], var_idx = !fix_idx, c, bit;
-
-                b->ref[fix_idx] = s->s.h.fixcompref;
-                // FIXME can this codeblob be replaced by some sort of LUT?
-                if (have_a) {
-                    if (have_l) {
-                        if (s->above_intra_ctx[col]) {
-                            if (s->left_intra_ctx[row7]) {
-                                c = 2;
-                            } else {
-                                c = 1 + 2 * (s->left_ref_ctx[row7] != s->s.h.varcompref[1]);
-                            }
-                        } else if (s->left_intra_ctx[row7]) {
-                            c = 1 + 2 * (s->above_ref_ctx[col] != s->s.h.varcompref[1]);
-                        } else {
-                            int refl = s->left_ref_ctx[row7], refa = s->above_ref_ctx[col];
-
-                            if (refl == refa && refa == s->s.h.varcompref[1]) {
-                                c = 0;
-                            } else if (!s->left_comp_ctx[row7] && !s->above_comp_ctx[col]) {
-                                if ((refa == s->s.h.fixcompref && refl == s->s.h.varcompref[0]) ||
-                                    (refl == s->s.h.fixcompref && refa == s->s.h.varcompref[0])) {
-                                    c = 4;
-                                } else {
-                                    c = (refa == refl) ? 3 : 1;
-                                }
-                            } else if (!s->left_comp_ctx[row7]) {
-                                if (refa == s->s.h.varcompref[1] && refl != s->s.h.varcompref[1]) {
-                                    c = 1;
-                                } else {
-                                    c = (refl == s->s.h.varcompref[1] &&
-                                         refa != s->s.h.varcompref[1]) ? 2 : 4;
-                                }
-                            } else if (!s->above_comp_ctx[col]) {
-                                if (refl == s->s.h.varcompref[1] && refa != s->s.h.varcompref[1]) {
-                                    c = 1;
-                                } else {
-                                    c = (refa == s->s.h.varcompref[1] &&
-                                         refl != s->s.h.varcompref[1]) ? 2 : 4;
-                                }
-                            } else {
-                                c = (refl == refa) ? 4 : 2;
-                            }
-                        }
-                    } else {
-                        if (s->above_intra_ctx[col]) {
-                            c = 2;
-                        } else if (s->above_comp_ctx[col]) {
-                            c = 4 * (s->above_ref_ctx[col] != s->s.h.varcompref[1]);
-                        } else {
-                            c = 3 * (s->above_ref_ctx[col] != s->s.h.varcompref[1]);
-                        }
-                    }
-                } else if (have_l) {
-                    if (s->left_intra_ctx[row7]) {
-                        c = 2;
-                    } else if (s->left_comp_ctx[row7]) {
-                        c = 4 * (s->left_ref_ctx[row7] != s->s.h.varcompref[1]);
-                    } else {
-                        c = 3 * (s->left_ref_ctx[row7] != s->s.h.varcompref[1]);
-                    }
-                } else {
-                    c = 2;
-                }
-                bit = vp56_rac_get_prob(&s->c, s->prob.p.comp_ref[c]);
-                b->ref[var_idx] = s->s.h.varcompref[bit];
-                s->counts.comp_ref[c][bit]++;
-            } else /* single reference */ {
-                int bit, c;
-
-                if (have_a && !s->above_intra_ctx[col]) {
-                    if (have_l && !s->left_intra_ctx[row7]) {
-                        if (s->left_comp_ctx[row7]) {
-                            if (s->above_comp_ctx[col]) {
-                                c = 1 + (!s->s.h.fixcompref || !s->left_ref_ctx[row7] ||
-                                         !s->above_ref_ctx[col]);
-                            } else {
-                                c = (3 * !s->above_ref_ctx[col]) +
-                                    (!s->s.h.fixcompref || !s->left_ref_ctx[row7]);
-                            }
-                        } else if (s->above_comp_ctx[col]) {
-                            c = (3 * !s->left_ref_ctx[row7]) +
-                                (!s->s.h.fixcompref || !s->above_ref_ctx[col]);
-                        } else {
-                            c = 2 * !s->left_ref_ctx[row7] + 2 * !s->above_ref_ctx[col];
-                        }
-                    } else if (s->above_intra_ctx[col]) {
-                        c = 2;
-                    } else if (s->above_comp_ctx[col]) {
-                        c = 1 + (!s->s.h.fixcompref || !s->above_ref_ctx[col]);
-                    } else {
-                        c = 4 * (!s->above_ref_ctx[col]);
-                    }
-                } else if (have_l && !s->left_intra_ctx[row7]) {
-                    if (s->left_intra_ctx[row7]) {
-                        c = 2;
-                    } else if (s->left_comp_ctx[row7]) {
-                        c = 1 + (!s->s.h.fixcompref || !s->left_ref_ctx[row7]);
-                    } else {
-                        c = 4 * (!s->left_ref_ctx[row7]);
-                    }
-                } else {
-                    c = 2;
-                }
-                bit = vp56_rac_get_prob(&s->c, s->prob.p.single_ref[c][0]);
-                s->counts.single_ref[c][0][bit]++;
-                if (!bit) {
-                    b->ref[0] = 0;
-                } else {
-                    // FIXME can this codeblob be replaced by some sort of LUT?
-                    if (have_a) {
-                        if (have_l) {
-                            if (s->left_intra_ctx[row7]) {
-                                if (s->above_intra_ctx[col]) {
-                                    c = 2;
-                                } else if (s->above_comp_ctx[col]) {
-                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
-                                                 s->above_ref_ctx[col] == 1);
-                                } else if (!s->above_ref_ctx[col]) {
-                                    c = 3;
-                                } else {
-                                    c = 4 * (s->above_ref_ctx[col] == 1);
-                                }
-                            } else if (s->above_intra_ctx[col]) {
-                                if (s->left_intra_ctx[row7]) {
-                                    c = 2;
-                                } else if (s->left_comp_ctx[row7]) {
-                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
-                                                 s->left_ref_ctx[row7] == 1);
-                                } else if (!s->left_ref_ctx[row7]) {
-                                    c = 3;
-                                } else {
-                                    c = 4 * (s->left_ref_ctx[row7] == 1);
-                                }
-                            } else if (s->above_comp_ctx[col]) {
-                                if (s->left_comp_ctx[row7]) {
-                                    if (s->left_ref_ctx[row7] == s->above_ref_ctx[col]) {
-                                        c = 3 * (s->s.h.fixcompref == 1 ||
-                                                 s->left_ref_ctx[row7] == 1);
-                                    } else {
-                                        c = 2;
-                                    }
-                                } else if (!s->left_ref_ctx[row7]) {
-                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
-                                                 s->above_ref_ctx[col] == 1);
-                                } else {
-                                    c = 3 * (s->left_ref_ctx[row7] == 1) +
-                                    (s->s.h.fixcompref == 1 || s->above_ref_ctx[col] == 1);
-                                }
-                            } else if (s->left_comp_ctx[row7]) {
-                                if (!s->above_ref_ctx[col]) {
-                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
-                                                 s->left_ref_ctx[row7] == 1);
-                                } else {
-                                    c = 3 * (s->above_ref_ctx[col] == 1) +
-                                    (s->s.h.fixcompref == 1 || s->left_ref_ctx[row7] == 1);
-                                }
-                            } else if (!s->above_ref_ctx[col]) {
-                                if (!s->left_ref_ctx[row7]) {
-                                    c = 3;
-                                } else {
-                                    c = 4 * (s->left_ref_ctx[row7] == 1);
-                                }
-                            } else if (!s->left_ref_ctx[row7]) {
-                                c = 4 * (s->above_ref_ctx[col] == 1);
-                            } else {
-                                c = 2 * (s->left_ref_ctx[row7] == 1) +
-                                2 * (s->above_ref_ctx[col] == 1);
-                            }
-                        } else {
-                            if (s->above_intra_ctx[col] ||
-                                (!s->above_comp_ctx[col] && !s->above_ref_ctx[col])) {
-                                c = 2;
-                            } else if (s->above_comp_ctx[col]) {
-                                c = 3 * (s->s.h.fixcompref == 1 || s->above_ref_ctx[col] == 1);
-                            } else {
-                                c = 4 * (s->above_ref_ctx[col] == 1);
-                            }
-                        }
-                    } else if (have_l) {
-                        if (s->left_intra_ctx[row7] ||
-                            (!s->left_comp_ctx[row7] && !s->left_ref_ctx[row7])) {
-                            c = 2;
-                        } else if (s->left_comp_ctx[row7]) {
-                            c = 3 * (s->s.h.fixcompref == 1 || s->left_ref_ctx[row7] == 1);
-                        } else {
-                            c = 4 * (s->left_ref_ctx[row7] == 1);
-                        }
-                    } else {
-                        c = 2;
-                    }
-                    bit = vp56_rac_get_prob(&s->c, s->prob.p.single_ref[c][1]);
-                    s->counts.single_ref[c][1][bit]++;
-                    b->ref[0] = 1 + bit;
-                }
-            }
-        }
-
-        if (b->bs <= BS_8x8) {
-            if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[b->seg_id].skip_enabled) {
-                b->mode[0] = b->mode[1] = b->mode[2] = b->mode[3] = ZEROMV;
-            } else {
-                static const uint8_t off[10] = {
-                    3, 0, 0, 1, 0, 0, 0, 0, 0, 0
-                };
-
-                // FIXME this needs to use the LUT tables from find_ref_mvs
-                // because not all are -1,0/0,-1
-                int c = inter_mode_ctx_lut[s->above_mode_ctx[col + off[b->bs]]]
-                                          [s->left_mode_ctx[row7 + off[b->bs]]];
-
-                b->mode[0] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree,
-                                              s->prob.p.mv_mode[c]);
-                b->mode[1] = b->mode[2] = b->mode[3] = b->mode[0];
-                s->counts.mv_mode[c][b->mode[0] - 10]++;
-            }
-        }
-
-        if (s->s.h.filtermode == FILTER_SWITCHABLE) {
-            int c;
-
-            if (have_a && s->above_mode_ctx[col] >= NEARESTMV) {
-                if (have_l && s->left_mode_ctx[row7] >= NEARESTMV) {
-                    c = s->above_filter_ctx[col] == s->left_filter_ctx[row7] ?
-                        s->left_filter_ctx[row7] : 3;
-                } else {
-                    c = s->above_filter_ctx[col];
-                }
-            } else if (have_l && s->left_mode_ctx[row7] >= NEARESTMV) {
-                c = s->left_filter_ctx[row7];
-            } else {
-                c = 3;
-            }
-
-            filter_id = vp8_rac_get_tree(&s->c, vp9_filter_tree,
-                                         s->prob.p.filter[c]);
-            s->counts.filter[c][filter_id]++;
-            b->filter = vp9_filter_lut[filter_id];
-        } else {
-            b->filter = s->s.h.filtermode;
-        }
-
-        if (b->bs > BS_8x8) {
-            int c = inter_mode_ctx_lut[s->above_mode_ctx[col]][s->left_mode_ctx[row7]];
-
-            b->mode[0] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree,
-                                          s->prob.p.mv_mode[c]);
-            s->counts.mv_mode[c][b->mode[0] - 10]++;
-            fill_mv(s, b->mv[0], b->mode[0], 0);
-
-            if (b->bs != BS_8x4) {
-                b->mode[1] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree,
-                                              s->prob.p.mv_mode[c]);
-                s->counts.mv_mode[c][b->mode[1] - 10]++;
-                fill_mv(s, b->mv[1], b->mode[1], 1);
-            } else {
-                b->mode[1] = b->mode[0];
-                AV_COPY32(&b->mv[1][0], &b->mv[0][0]);
-                AV_COPY32(&b->mv[1][1], &b->mv[0][1]);
-            }
-
-            if (b->bs != BS_4x8) {
-                b->mode[2] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree,
-                                              s->prob.p.mv_mode[c]);
-                s->counts.mv_mode[c][b->mode[2] - 10]++;
-                fill_mv(s, b->mv[2], b->mode[2], 2);
-
-                if (b->bs != BS_8x4) {
-                    b->mode[3] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree,
-                                                  s->prob.p.mv_mode[c]);
-                    s->counts.mv_mode[c][b->mode[3] - 10]++;
-                    fill_mv(s, b->mv[3], b->mode[3], 3);
-                } else {
-                    b->mode[3] = b->mode[2];
-                    AV_COPY32(&b->mv[3][0], &b->mv[2][0]);
-                    AV_COPY32(&b->mv[3][1], &b->mv[2][1]);
-                }
-            } else {
-                b->mode[2] = b->mode[0];
-                AV_COPY32(&b->mv[2][0], &b->mv[0][0]);
-                AV_COPY32(&b->mv[2][1], &b->mv[0][1]);
-                b->mode[3] = b->mode[1];
-                AV_COPY32(&b->mv[3][0], &b->mv[1][0]);
-                AV_COPY32(&b->mv[3][1], &b->mv[1][1]);
-            }
-        } else {
-            fill_mv(s, b->mv[0], b->mode[0], -1);
-            AV_COPY32(&b->mv[1][0], &b->mv[0][0]);
-            AV_COPY32(&b->mv[2][0], &b->mv[0][0]);
-            AV_COPY32(&b->mv[3][0], &b->mv[0][0]);
-            AV_COPY32(&b->mv[1][1], &b->mv[0][1]);
-            AV_COPY32(&b->mv[2][1], &b->mv[0][1]);
-            AV_COPY32(&b->mv[3][1], &b->mv[0][1]);
-        }
-
-        vref = b->ref[b->comp ? s->s.h.signbias[s->s.h.varcompref[0]] : 0];
-    }
-
-#if HAVE_FAST_64BIT
-#define SPLAT_CTX(var, val, n) \
-    switch (n) { \
-    case 1:  var = val;                                    break; \
-    case 2:  AV_WN16A(&var, val *             0x0101);     break; \
-    case 4:  AV_WN32A(&var, val *         0x01010101);     break; \
-    case 8:  AV_WN64A(&var, val * 0x0101010101010101ULL);  break; \
-    case 16: { \
-        uint64_t v64 = val * 0x0101010101010101ULL; \
-        AV_WN64A(              &var,     v64); \
-        AV_WN64A(&((uint8_t *) &var)[8], v64); \
-        break; \
-    } \
-    }
-#else
-#define SPLAT_CTX(var, val, n) \
-    switch (n) { \
-    case 1:  var = val;                         break; \
-    case 2:  AV_WN16A(&var, val *     0x0101);  break; \
-    case 4:  AV_WN32A(&var, val * 0x01010101);  break; \
-    case 8: { \
-        uint32_t v32 = val * 0x01010101; \
-        AV_WN32A(              &var,     v32); \
-        AV_WN32A(&((uint8_t *) &var)[4], v32); \
-        break; \
-    } \
-    case 16: { \
-        uint32_t v32 = val * 0x01010101; \
-        AV_WN32A(              &var,      v32); \
-        AV_WN32A(&((uint8_t *) &var)[4],  v32); \
-        AV_WN32A(&((uint8_t *) &var)[8],  v32); \
-        AV_WN32A(&((uint8_t *) &var)[12], v32); \
-        break; \
-    } \
-    }
-#endif
-
-    switch (bwh_tab[1][b->bs][0]) {
-#define SET_CTXS(dir, off, n) \
-    do { \
-        SPLAT_CTX(s->dir##_skip_ctx[off],      b->skip,          n); \
-        SPLAT_CTX(s->dir##_txfm_ctx[off],      b->tx,            n); \
-        SPLAT_CTX(s->dir##_partition_ctx[off], dir##_ctx[b->bs], n); \
-        if (!s->s.h.keyframe && !s->s.h.intraonly) { \
-            SPLAT_CTX(s->dir##_intra_ctx[off], b->intra,   n); \
-            SPLAT_CTX(s->dir##_comp_ctx[off],  b->comp,    n); \
-            SPLAT_CTX(s->dir##_mode_ctx[off],  b->mode[3], n); \
-            if (!b->intra) { \
-                SPLAT_CTX(s->dir##_ref_ctx[off], vref, n); \
-                if (s->s.h.filtermode == FILTER_SWITCHABLE) { \
-                    SPLAT_CTX(s->dir##_filter_ctx[off], filter_id, n); \
-                } \
-            } \
-        } \
-    } while (0)
-    case 1: SET_CTXS(above, col, 1); break;
-    case 2: SET_CTXS(above, col, 2); break;
-    case 4: SET_CTXS(above, col, 4); break;
-    case 8: SET_CTXS(above, col, 8); break;
-    }
-    switch (bwh_tab[1][b->bs][1]) {
-    case 1: SET_CTXS(left, row7, 1); break;
-    case 2: SET_CTXS(left, row7, 2); break;
-    case 4: SET_CTXS(left, row7, 4); break;
-    case 8: SET_CTXS(left, row7, 8); break;
-    }
-#undef SPLAT_CTX
-#undef SET_CTXS
-
-    if (!s->s.h.keyframe && !s->s.h.intraonly) {
-        if (b->bs > BS_8x8) {
-            int mv0 = AV_RN32A(&b->mv[3][0]), mv1 = AV_RN32A(&b->mv[3][1]);
-
-            AV_COPY32(&s->left_mv_ctx[row7 * 2 + 0][0], &b->mv[1][0]);
-            AV_COPY32(&s->left_mv_ctx[row7 * 2 + 0][1], &b->mv[1][1]);
-            AV_WN32A(&s->left_mv_ctx[row7 * 2 + 1][0], mv0);
-            AV_WN32A(&s->left_mv_ctx[row7 * 2 + 1][1], mv1);
-            AV_COPY32(&s->above_mv_ctx[col * 2 + 0][0], &b->mv[2][0]);
-            AV_COPY32(&s->above_mv_ctx[col * 2 + 0][1], &b->mv[2][1]);
-            AV_WN32A(&s->above_mv_ctx[col * 2 + 1][0], mv0);
-            AV_WN32A(&s->above_mv_ctx[col * 2 + 1][1], mv1);
-        } else {
-            int n, mv0 = AV_RN32A(&b->mv[3][0]), mv1 = AV_RN32A(&b->mv[3][1]);
-
-            for (n = 0; n < w4 * 2; n++) {
-                AV_WN32A(&s->above_mv_ctx[col * 2 + n][0], mv0);
-                AV_WN32A(&s->above_mv_ctx[col * 2 + n][1], mv1);
-            }
-            for (n = 0; n < h4 * 2; n++) {
-                AV_WN32A(&s->left_mv_ctx[row7 * 2 + n][0], mv0);
-                AV_WN32A(&s->left_mv_ctx[row7 * 2 + n][1], mv1);
-            }
-        }
-    }
-
-    // FIXME kinda ugly
-    for (y = 0; y < h4; y++) {
-        int x, o = (row + y) * s->sb_cols * 8 + col;
-        struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[o];
-
-        if (b->intra) {
-            for (x = 0; x < w4; x++) {
-                mv[x].ref[0] =
-                mv[x].ref[1] = -1;
-            }
-        } else if (b->comp) {
-            for (x = 0; x < w4; x++) {
-                mv[x].ref[0] = b->ref[0];
-                mv[x].ref[1] = b->ref[1];
-                AV_COPY32(&mv[x].mv[0], &b->mv[3][0]);
-                AV_COPY32(&mv[x].mv[1], &b->mv[3][1]);
-            }
-        } else {
-            for (x = 0; x < w4; x++) {
-                mv[x].ref[0] = b->ref[0];
-                mv[x].ref[1] = -1;
-                AV_COPY32(&mv[x].mv[0], &b->mv[3][0]);
-            }
-        }
-    }
-}
-
-// FIXME merge cnt/eob arguments?
-static av_always_inline int
-decode_coeffs_b_generic(VP56RangeCoder *c, int16_t *coef, int n_coeffs,
-                        int is_tx32x32, int is8bitsperpixel, int bpp, unsigned (*cnt)[6][3],
-                        unsigned (*eob)[6][2], uint8_t (*p)[6][11],
-                        int nnz, const int16_t *scan, const int16_t (*nb)[2],
-                        const int16_t *band_counts, const int16_t *qmul)
-{
-    int i = 0, band = 0, band_left = band_counts[band];
-    uint8_t *tp = p[0][nnz];
-    uint8_t cache[1024];
-
-    do {
-        int val, rc;
-
-        val = vp56_rac_get_prob_branchy(c, tp[0]); // eob
-        eob[band][nnz][val]++;
-        if (!val)
-            break;
-
-    skip_eob:
-        if (!vp56_rac_get_prob_branchy(c, tp[1])) { // zero
-            cnt[band][nnz][0]++;
-            if (!--band_left)
-                band_left = band_counts[++band];
-            cache[scan[i]] = 0;
-            nnz = (1 + cache[nb[i][0]] + cache[nb[i][1]]) >> 1;
-            tp = p[band][nnz];
-            if (++i == n_coeffs)
-                break; //invalid input; blocks should end with EOB
-            goto skip_eob;
-        }
-
-        rc = scan[i];
-        if (!vp56_rac_get_prob_branchy(c, tp[2])) { // one
-            cnt[band][nnz][1]++;
-            val = 1;
-            cache[rc] = 1;
-        } else {
-            // fill in p[3-10] (model fill) - only once per frame for each pos
-            if (!tp[3])
-                memcpy(&tp[3], vp9_model_pareto8[tp[2]], 8);
-
-            cnt[band][nnz][2]++;
-            if (!vp56_rac_get_prob_branchy(c, tp[3])) { // 2, 3, 4
-                if (!vp56_rac_get_prob_branchy(c, tp[4])) {
-                    cache[rc] = val = 2;
-                } else {
-                    val = 3 + vp56_rac_get_prob(c, tp[5]);
-                    cache[rc] = 3;
-                }
-            } else if (!vp56_rac_get_prob_branchy(c, tp[6])) { // cat1/2
-                cache[rc] = 4;
-                if (!vp56_rac_get_prob_branchy(c, tp[7])) {
-                    val = 5 + vp56_rac_get_prob(c, 159);
-                } else {
-                    val  = 7 + (vp56_rac_get_prob(c, 165) << 1);
-                    val +=      vp56_rac_get_prob(c, 145);
-                }
-            } else { // cat 3-6
-                cache[rc] = 5;
-                if (!vp56_rac_get_prob_branchy(c, tp[8])) {
-                    if (!vp56_rac_get_prob_branchy(c, tp[9])) {
-                        val  = 11 + (vp56_rac_get_prob(c, 173) << 2);
-                        val +=      (vp56_rac_get_prob(c, 148) << 1);
-                        val +=       vp56_rac_get_prob(c, 140);
-                    } else {
-                        val  = 19 + (vp56_rac_get_prob(c, 176) << 3);
-                        val +=      (vp56_rac_get_prob(c, 155) << 2);
-                        val +=      (vp56_rac_get_prob(c, 140) << 1);
-                        val +=       vp56_rac_get_prob(c, 135);
-                    }
-                } else if (!vp56_rac_get_prob_branchy(c, tp[10])) {
-                    val  = 35 + (vp56_rac_get_prob(c, 180) << 4);
-                    val +=      (vp56_rac_get_prob(c, 157) << 3);
-                    val +=      (vp56_rac_get_prob(c, 141) << 2);
-                    val +=      (vp56_rac_get_prob(c, 134) << 1);
-                    val +=       vp56_rac_get_prob(c, 130);
-                } else {
-                    val = 67;
-                    if (!is8bitsperpixel) {
-                        if (bpp == 12) {
-                            val += vp56_rac_get_prob(c, 255) << 17;
-                            val += vp56_rac_get_prob(c, 255) << 16;
-                        }
-                        val +=  (vp56_rac_get_prob(c, 255) << 15);
-                        val +=  (vp56_rac_get_prob(c, 255) << 14);
-                    }
-                    val +=      (vp56_rac_get_prob(c, 254) << 13);
-                    val +=      (vp56_rac_get_prob(c, 254) << 12);
-                    val +=      (vp56_rac_get_prob(c, 254) << 11);
-                    val +=      (vp56_rac_get_prob(c, 252) << 10);
-                    val +=      (vp56_rac_get_prob(c, 249) << 9);
-                    val +=      (vp56_rac_get_prob(c, 243) << 8);
-                    val +=      (vp56_rac_get_prob(c, 230) << 7);
-                    val +=      (vp56_rac_get_prob(c, 196) << 6);
-                    val +=      (vp56_rac_get_prob(c, 177) << 5);
-                    val +=      (vp56_rac_get_prob(c, 153) << 4);
-                    val +=      (vp56_rac_get_prob(c, 140) << 3);
-                    val +=      (vp56_rac_get_prob(c, 133) << 2);
-                    val +=      (vp56_rac_get_prob(c, 130) << 1);
-                    val +=       vp56_rac_get_prob(c, 129);
-                }
-            }
-        }
-#define STORE_COEF(c, i, v) do { \
-    if (is8bitsperpixel) { \
-        c[i] = v; \
-    } else { \
-        AV_WN32A(&c[i * 2], v); \
-    } \
-} while (0)
-        if (!--band_left)
-            band_left = band_counts[++band];
-        if (is_tx32x32)
-            STORE_COEF(coef, rc, ((vp8_rac_get(c) ? -val : val) * qmul[!!i]) / 2);
-        else
-            STORE_COEF(coef, rc, (vp8_rac_get(c) ? -val : val) * qmul[!!i]);
-        nnz = (1 + cache[nb[i][0]] + cache[nb[i][1]]) >> 1;
-        tp = p[band][nnz];
-    } while (++i < n_coeffs);
-
-    return i;
-}
-
-static int decode_coeffs_b_8bpp(VP9Context *s, int16_t *coef, int n_coeffs,
-                                unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
-                                uint8_t (*p)[6][11], int nnz, const int16_t *scan,
-                                const int16_t (*nb)[2], const int16_t *band_counts,
-                                const int16_t *qmul)
-{
-    return decode_coeffs_b_generic(&s->c, coef, n_coeffs, 0, 1, 8, cnt, eob, p,
-                                   nnz, scan, nb, band_counts, qmul);
-}
-
-static int decode_coeffs_b32_8bpp(VP9Context *s, int16_t *coef, int n_coeffs,
-                                  unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
-                                  uint8_t (*p)[6][11], int nnz, const int16_t *scan,
-                                  const int16_t (*nb)[2], const int16_t *band_counts,
-                                  const int16_t *qmul)
-{
-    return decode_coeffs_b_generic(&s->c, coef, n_coeffs, 1, 1, 8, cnt, eob, p,
-                                   nnz, scan, nb, band_counts, qmul);
-}
-
-static int decode_coeffs_b_16bpp(VP9Context *s, int16_t *coef, int n_coeffs,
-                                 unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
-                                 uint8_t (*p)[6][11], int nnz, const int16_t *scan,
-                                 const int16_t (*nb)[2], const int16_t *band_counts,
-                                 const int16_t *qmul)
-{
-    return decode_coeffs_b_generic(&s->c, coef, n_coeffs, 0, 0, s->s.h.bpp, cnt, eob, p,
-                                   nnz, scan, nb, band_counts, qmul);
-}
-
-static int decode_coeffs_b32_16bpp(VP9Context *s, int16_t *coef, int n_coeffs,
-                                   unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
-                                   uint8_t (*p)[6][11], int nnz, const int16_t *scan,
-                                   const int16_t (*nb)[2], const int16_t *band_counts,
-                                   const int16_t *qmul)
-{
-    return decode_coeffs_b_generic(&s->c, coef, n_coeffs, 1, 0, s->s.h.bpp, cnt, eob, p,
-                                   nnz, scan, nb, band_counts, qmul);
-}
-
-static av_always_inline int decode_coeffs(AVCodecContext *ctx, int is8bitsperpixel)
-{
-    VP9Context *s = ctx->priv_data;
-    VP9Block *b = s->b;
-    int row = s->row, col = s->col;
-    uint8_t (*p)[6][11] = s->prob.coef[b->tx][0 /* y */][!b->intra];
-    unsigned (*c)[6][3] = s->counts.coef[b->tx][0 /* y */][!b->intra];
-    unsigned (*e)[6][2] = s->counts.eob[b->tx][0 /* y */][!b->intra];
-    int w4 = bwh_tab[1][b->bs][0] << 1, h4 = bwh_tab[1][b->bs][1] << 1;
-    int end_x = FFMIN(2 * (s->cols - col), w4);
-    int end_y = FFMIN(2 * (s->rows - row), h4);
-    int n, pl, x, y, res;
-    int16_t (*qmul)[2] = s->s.h.segmentation.feat[b->seg_id].qmul;
-    int tx = 4 * s->s.h.lossless + b->tx;
-    const int16_t * const *yscans = vp9_scans[tx];
-    const int16_t (* const *ynbs)[2] = vp9_scans_nb[tx];
-    const int16_t *uvscan = vp9_scans[b->uvtx][DCT_DCT];
-    const int16_t (*uvnb)[2] = vp9_scans_nb[b->uvtx][DCT_DCT];
-    uint8_t *a = &s->above_y_nnz_ctx[col * 2];
-    uint8_t *l = &s->left_y_nnz_ctx[(row & 7) << 1];
-    static const int16_t band_counts[4][8] = {
-        { 1, 2, 3, 4,  3,   16 - 13 },
-        { 1, 2, 3, 4, 11,   64 - 21 },
-        { 1, 2, 3, 4, 11,  256 - 21 },
-        { 1, 2, 3, 4, 11, 1024 - 21 },
-    };
-    const int16_t *y_band_counts = band_counts[b->tx];
-    const int16_t *uv_band_counts = band_counts[b->uvtx];
-    int bytesperpixel = is8bitsperpixel ? 1 : 2;
-    int total_coeff = 0;
-
-#define MERGE(la, end, step, rd) \
-    for (n = 0; n < end; n += step) \
-        la[n] = !!rd(&la[n])
-#define MERGE_CTX(step, rd) \
-    do { \
-        MERGE(l, end_y, step, rd); \
-        MERGE(a, end_x, step, rd); \
-    } while (0)
-
-#define DECODE_Y_COEF_LOOP(step, mode_index, v) \
-    for (n = 0, y = 0; y < end_y; y += step) { \
-        for (x = 0; x < end_x; x += step, n += step * step) { \
-            enum TxfmType txtp = vp9_intra_txfm_type[b->mode[mode_index]]; \
-            res = (is8bitsperpixel ? decode_coeffs_b##v##_8bpp : decode_coeffs_b##v##_16bpp) \
-                                    (s, s->block + 16 * n * bytesperpixel, 16 * step * step, \
-                                     c, e, p, a[x] + l[y], yscans[txtp], \
-                                     ynbs[txtp], y_band_counts, qmul[0]); \
-            a[x] = l[y] = !!res; \
-            total_coeff |= !!res; \
-            if (step >= 4) { \
-                AV_WN16A(&s->eob[n], res); \
-            } else { \
-                s->eob[n] = res; \
-            } \
-        } \
-    }
-
-#define SPLAT(la, end, step, cond) \
-    if (step == 2) { \
-        for (n = 1; n < end; n += step) \
-            la[n] = la[n - 1]; \
-    } else if (step == 4) { \
-        if (cond) { \
-            for (n = 0; n < end; n += step) \
-                AV_WN32A(&la[n], la[n] * 0x01010101); \
-        } else { \
-            for (n = 0; n < end; n += step) \
-                memset(&la[n + 1], la[n], FFMIN(end - n - 1, 3)); \
-        } \
-    } else /* step == 8 */ { \
-        if (cond) { \
-            if (HAVE_FAST_64BIT) { \
-                for (n = 0; n < end; n += step) \
-                    AV_WN64A(&la[n], la[n] * 0x0101010101010101ULL); \
-            } else { \
-                for (n = 0; n < end; n += step) { \
-                    uint32_t v32 = la[n] * 0x01010101; \
-                    AV_WN32A(&la[n],     v32); \
-                    AV_WN32A(&la[n + 4], v32); \
-                } \
-            } \
-        } else { \
-            for (n = 0; n < end; n += step) \
-                memset(&la[n + 1], la[n], FFMIN(end - n - 1, 7)); \
-        } \
-    }
-#define SPLAT_CTX(step) \
-    do { \
-        SPLAT(a, end_x, step, end_x == w4); \
-        SPLAT(l, end_y, step, end_y == h4); \
-    } while (0)
-
-    /* y tokens */
-    switch (b->tx) {
-    case TX_4X4:
-        DECODE_Y_COEF_LOOP(1, b->bs > BS_8x8 ? n : 0,);
-        break;
-    case TX_8X8:
-        MERGE_CTX(2, AV_RN16A);
-        DECODE_Y_COEF_LOOP(2, 0,);
-        SPLAT_CTX(2);
-        break;
-    case TX_16X16:
-        MERGE_CTX(4, AV_RN32A);
-        DECODE_Y_COEF_LOOP(4, 0,);
-        SPLAT_CTX(4);
-        break;
-    case TX_32X32:
-        MERGE_CTX(8, AV_RN64A);
-        DECODE_Y_COEF_LOOP(8, 0, 32);
-        SPLAT_CTX(8);
-        break;
-    }
-
-#define DECODE_UV_COEF_LOOP(step, v) \
-    for (n = 0, y = 0; y < end_y; y += step) { \
-        for (x = 0; x < end_x; x += step, n += step * step) { \
-            res = (is8bitsperpixel ? decode_coeffs_b##v##_8bpp : decode_coeffs_b##v##_16bpp) \
-                                    (s, s->uvblock[pl] + 16 * n * bytesperpixel, \
-                                     16 * step * step, c, e, p, a[x] + l[y], \
-                                     uvscan, uvnb, uv_band_counts, qmul[1]); \
-            a[x] = l[y] = !!res; \
-            total_coeff |= !!res; \
-            if (step >= 4) { \
-                AV_WN16A(&s->uveob[pl][n], res); \
-            } else { \
-                s->uveob[pl][n] = res; \
-            } \
-        } \
-    }
-
-    p = s->prob.coef[b->uvtx][1 /* uv */][!b->intra];
-    c = s->counts.coef[b->uvtx][1 /* uv */][!b->intra];
-    e = s->counts.eob[b->uvtx][1 /* uv */][!b->intra];
-    w4 >>= s->ss_h;
-    end_x >>= s->ss_h;
-    h4 >>= s->ss_v;
-    end_y >>= s->ss_v;
-    for (pl = 0; pl < 2; pl++) {
-        a = &s->above_uv_nnz_ctx[pl][col << !s->ss_h];
-        l = &s->left_uv_nnz_ctx[pl][(row & 7) << !s->ss_v];
-        switch (b->uvtx) {
-        case TX_4X4:
-            DECODE_UV_COEF_LOOP(1,);
-            break;
-        case TX_8X8:
-            MERGE_CTX(2, AV_RN16A);
-            DECODE_UV_COEF_LOOP(2,);
-            SPLAT_CTX(2);
-            break;
-        case TX_16X16:
-            MERGE_CTX(4, AV_RN32A);
-            DECODE_UV_COEF_LOOP(4,);
-            SPLAT_CTX(4);
-            break;
-        case TX_32X32:
-            MERGE_CTX(8, AV_RN64A);
-            DECODE_UV_COEF_LOOP(8, 32);
-            SPLAT_CTX(8);
-            break;
-        }
-    }
-
-    return total_coeff;
-}
-
-static int decode_coeffs_8bpp(AVCodecContext *ctx)
-{
-    return decode_coeffs(ctx, 1);
-}
-
-static int decode_coeffs_16bpp(AVCodecContext *ctx)
-{
-    return decode_coeffs(ctx, 0);
-}
-
-static av_always_inline int check_intra_mode(VP9Context *s, int mode, uint8_t **a,
-                                             uint8_t *dst_edge, ptrdiff_t stride_edge,
-                                             uint8_t *dst_inner, ptrdiff_t stride_inner,
-                                             uint8_t *l, int col, int x, int w,
-                                             int row, int y, enum TxfmMode tx,
-                                             int p, int ss_h, int ss_v, int bytesperpixel)
-{
-    int have_top = row > 0 || y > 0;
-    int have_left = col > s->tile_col_start || x > 0;
-    int have_right = x < w - 1;
-    int bpp = s->s.h.bpp;
-    static const uint8_t mode_conv[10][2 /* have_left */][2 /* have_top */] = {
-        [VERT_PRED]            = { { DC_127_PRED,          VERT_PRED },
-                                   { DC_127_PRED,          VERT_PRED } },
-        [HOR_PRED]             = { { DC_129_PRED,          DC_129_PRED },
-                                   { HOR_PRED,             HOR_PRED } },
-        [DC_PRED]              = { { DC_128_PRED,          TOP_DC_PRED },
-                                   { LEFT_DC_PRED,         DC_PRED } },
-        [DIAG_DOWN_LEFT_PRED]  = { { DC_127_PRED,          DIAG_DOWN_LEFT_PRED },
-                                   { DC_127_PRED,          DIAG_DOWN_LEFT_PRED } },
-        [DIAG_DOWN_RIGHT_PRED] = { { DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED },
-                                   { DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED } },
-        [VERT_RIGHT_PRED]      = { { VERT_RIGHT_PRED,      VERT_RIGHT_PRED },
-                                   { VERT_RIGHT_PRED,      VERT_RIGHT_PRED } },
-        [HOR_DOWN_PRED]        = { { HOR_DOWN_PRED,        HOR_DOWN_PRED },
-                                   { HOR_DOWN_PRED,        HOR_DOWN_PRED } },
-        [VERT_LEFT_PRED]       = { { DC_127_PRED,          VERT_LEFT_PRED },
-                                   { DC_127_PRED,          VERT_LEFT_PRED } },
-        [HOR_UP_PRED]          = { { DC_129_PRED,          DC_129_PRED },
-                                   { HOR_UP_PRED,          HOR_UP_PRED } },
-        [TM_VP8_PRED]          = { { DC_129_PRED,          VERT_PRED },
-                                   { HOR_PRED,             TM_VP8_PRED } },
-    };
-    static const struct {
-        uint8_t needs_left:1;
-        uint8_t needs_top:1;
-        uint8_t needs_topleft:1;
-        uint8_t needs_topright:1;
-        uint8_t invert_left:1;
-    } edges[N_INTRA_PRED_MODES] = {
-        [VERT_PRED]            = { .needs_top  = 1 },
-        [HOR_PRED]             = { .needs_left = 1 },
-        [DC_PRED]              = { .needs_top  = 1, .needs_left = 1 },
-        [DIAG_DOWN_LEFT_PRED]  = { .needs_top  = 1, .needs_topright = 1 },
-        [DIAG_DOWN_RIGHT_PRED] = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
-        [VERT_RIGHT_PRED]      = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
-        [HOR_DOWN_PRED]        = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
-        [VERT_LEFT_PRED]       = { .needs_top  = 1, .needs_topright = 1 },
-        [HOR_UP_PRED]          = { .needs_left = 1, .invert_left = 1 },
-        [TM_VP8_PRED]          = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
-        [LEFT_DC_PRED]         = { .needs_left = 1 },
-        [TOP_DC_PRED]          = { .needs_top  = 1 },
-        [DC_128_PRED]          = { 0 },
-        [DC_127_PRED]          = { 0 },
-        [DC_129_PRED]          = { 0 }
-    };
-
-    av_assert2(mode >= 0 && mode < 10);
-    mode = mode_conv[mode][have_left][have_top];
-    if (edges[mode].needs_top) {
-        uint8_t *top, *topleft;
-        int n_px_need = 4 << tx, n_px_have = (((s->cols - col) << !ss_h) - x) * 4;
-        int n_px_need_tr = 0;
-
-        if (tx == TX_4X4 && edges[mode].needs_topright && have_right)
-            n_px_need_tr = 4;
-
-        // if top of sb64-row, use s->intra_pred_data[] instead of
-        // dst[-stride] for intra prediction (it contains pre- instead of
-        // post-loopfilter data)
-        if (have_top) {
-            top = !(row & 7) && !y ?
-                s->intra_pred_data[p] + (col * (8 >> ss_h) + x * 4) * bytesperpixel :
-                y == 0 ? &dst_edge[-stride_edge] : &dst_inner[-stride_inner];
-            if (have_left)
-                topleft = !(row & 7) && !y ?
-                    s->intra_pred_data[p] + (col * (8 >> ss_h) + x * 4) * bytesperpixel :
-                    y == 0 || x == 0 ? &dst_edge[-stride_edge] :
-                    &dst_inner[-stride_inner];
-        }
-
-        if (have_top &&
-            (!edges[mode].needs_topleft || (have_left && top == topleft)) &&
-            (tx != TX_4X4 || !edges[mode].needs_topright || have_right) &&
-            n_px_need + n_px_need_tr <= n_px_have) {
-            *a = top;
-        } else {
-            if (have_top) {
-                if (n_px_need <= n_px_have) {
-                    memcpy(*a, top, n_px_need * bytesperpixel);
-                } else {
-#define memset_bpp(c, i1, v, i2, num) do { \
-    if (bytesperpixel == 1) { \
-        memset(&(c)[(i1)], (v)[(i2)], (num)); \
-    } else { \
-        int n, val = AV_RN16A(&(v)[(i2) * 2]); \
-        for (n = 0; n < (num); n++) { \
-            AV_WN16A(&(c)[((i1) + n) * 2], val); \
-        } \
-    } \
-} while (0)
-                    memcpy(*a, top, n_px_have * bytesperpixel);
-                    memset_bpp(*a, n_px_have, (*a), n_px_have - 1, n_px_need - n_px_have);
-                }
-            } else {
-#define memset_val(c, val, num) do { \
-    if (bytesperpixel == 1) { \
-        memset((c), (val), (num)); \
-    } else { \
-        int n; \
-        for (n = 0; n < (num); n++) { \
-            AV_WN16A(&(c)[n * 2], (val)); \
-        } \
-    } \
-} while (0)
-                memset_val(*a, (128 << (bpp - 8)) - 1, n_px_need);
-            }
-            if (edges[mode].needs_topleft) {
-                if (have_left && have_top) {
-#define assign_bpp(c, i1, v, i2) do { \
-    if (bytesperpixel == 1) { \
-        (c)[(i1)] = (v)[(i2)]; \
-    } else { \
-        AV_COPY16(&(c)[(i1) * 2], &(v)[(i2) * 2]); \
-    } \
-} while (0)
-                    assign_bpp(*a, -1, topleft, -1);
-                } else {
-#define assign_val(c, i, v) do { \
-    if (bytesperpixel == 1) { \
-        (c)[(i)] = (v); \
-    } else { \
-        AV_WN16A(&(c)[(i) * 2], (v)); \
-    } \
-} while (0)
-                    assign_val((*a), -1, (128 << (bpp - 8)) + (have_top ? +1 : -1));
-                }
-            }
-            if (tx == TX_4X4 && edges[mode].needs_topright) {
-                if (have_top && have_right &&
-                    n_px_need + n_px_need_tr <= n_px_have) {
-                    memcpy(&(*a)[4 * bytesperpixel], &top[4 * bytesperpixel], 4 * bytesperpixel);
-                } else {
-                    memset_bpp(*a, 4, *a, 3, 4);
-                }
-            }
-        }
-    }
-    if (edges[mode].needs_left) {
-        if (have_left) {
-            int n_px_need = 4 << tx, i, n_px_have = (((s->rows - row) << !ss_v) - y) * 4;
-            uint8_t *dst = x == 0 ? dst_edge : dst_inner;
-            ptrdiff_t stride = x == 0 ? stride_edge : stride_inner;
-
-            if (edges[mode].invert_left) {
-                if (n_px_need <= n_px_have) {
-                    for (i = 0; i < n_px_need; i++)
-                        assign_bpp(l, i, &dst[i * stride], -1);
-                } else {
-                    for (i = 0; i < n_px_have; i++)
-                        assign_bpp(l, i, &dst[i * stride], -1);
-                    memset_bpp(l, n_px_have, l, n_px_have - 1, n_px_need - n_px_have);
-                }
-            } else {
-                if (n_px_need <= n_px_have) {
-                    for (i = 0; i < n_px_need; i++)
-                        assign_bpp(l, n_px_need - 1 - i, &dst[i * stride], -1);
-                } else {
-                    for (i = 0; i < n_px_have; i++)
-                        assign_bpp(l, n_px_need - 1 - i, &dst[i * stride], -1);
-                    memset_bpp(l, 0, l, n_px_need - n_px_have, n_px_need - n_px_have);
-                }
-            }
-        } else {
-            memset_val(l, (128 << (bpp - 8)) + 1, 4 << tx);
-        }
-    }
-
-    return mode;
-}
-
-static av_always_inline void intra_recon(AVCodecContext *ctx, ptrdiff_t y_off,
-                                         ptrdiff_t uv_off, int bytesperpixel)
-{
-    VP9Context *s = ctx->priv_data;
-    VP9Block *b = s->b;
-    int row = s->row, col = s->col;
-    int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
-    int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);
-    int end_x = FFMIN(2 * (s->cols - col), w4);
-    int end_y = FFMIN(2 * (s->rows - row), h4);
-    int tx = 4 * s->s.h.lossless + b->tx, uvtx = b->uvtx + 4 * s->s.h.lossless;
-    int uvstep1d = 1 << b->uvtx, p;
-    uint8_t *dst = s->dst[0], *dst_r = s->s.frames[CUR_FRAME].tf.f->data[0] + y_off;
-    LOCAL_ALIGNED_32(uint8_t, a_buf, [96]);
-    LOCAL_ALIGNED_32(uint8_t, l, [64]);
-
-    for (n = 0, y = 0; y < end_y; y += step1d) {
-        uint8_t *ptr = dst, *ptr_r = dst_r;
-        for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d * bytesperpixel,
-                               ptr_r += 4 * step1d * bytesperpixel, n += step) {
-            int mode = b->mode[b->bs > BS_8x8 && b->tx == TX_4X4 ?
-                               y * 2 + x : 0];
-            uint8_t *a = &a_buf[32];
-            enum TxfmType txtp = vp9_intra_txfm_type[mode];
-            int eob = b->skip ? 0 : b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n];
-
-            mode = check_intra_mode(s, mode, &a, ptr_r,
-                                    s->s.frames[CUR_FRAME].tf.f->linesize[0],
-                                    ptr, s->y_stride, l,
-                                    col, x, w4, row, y, b->tx, 0, 0, 0, bytesperpixel);
-            s->dsp.intra_pred[b->tx][mode](ptr, s->y_stride, l, a);
-            if (eob)
-                s->dsp.itxfm_add[tx][txtp](ptr, s->y_stride,
-                                           s->block + 16 * n * bytesperpixel, eob);
-        }
-        dst_r += 4 * step1d * s->s.frames[CUR_FRAME].tf.f->linesize[0];
-        dst   += 4 * step1d * s->y_stride;
-    }
-
-    // U/V
-    w4 >>= s->ss_h;
-    end_x >>= s->ss_h;
-    end_y >>= s->ss_v;
-    step = 1 << (b->uvtx * 2);
-    for (p = 0; p < 2; p++) {
-        dst   = s->dst[1 + p];
-        dst_r = s->s.frames[CUR_FRAME].tf.f->data[1 + p] + uv_off;
-        for (n = 0, y = 0; y < end_y; y += uvstep1d) {
-            uint8_t *ptr = dst, *ptr_r = dst_r;
-            for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d * bytesperpixel,
-                                   ptr_r += 4 * uvstep1d * bytesperpixel, n += step) {
-                int mode = b->uvmode;
-                uint8_t *a = &a_buf[32];
-                int eob = b->skip ? 0 : b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n]) : s->uveob[p][n];
-
-                mode = check_intra_mode(s, mode, &a, ptr_r,
-                                        s->s.frames[CUR_FRAME].tf.f->linesize[1],
-                                        ptr, s->uv_stride, l, col, x, w4, row, y,
-                                        b->uvtx, p + 1, s->ss_h, s->ss_v, bytesperpixel);
-                s->dsp.intra_pred[b->uvtx][mode](ptr, s->uv_stride, l, a);
-                if (eob)
-                    s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, s->uv_stride,
-                                                    s->uvblock[p] + 16 * n * bytesperpixel, eob);
-            }
-            dst_r += 4 * uvstep1d * s->s.frames[CUR_FRAME].tf.f->linesize[1];
-            dst   += 4 * uvstep1d * s->uv_stride;
-        }
-    }
-}
-
-static void intra_recon_8bpp(AVCodecContext *ctx, ptrdiff_t y_off, ptrdiff_t uv_off)
-{
-    intra_recon(ctx, y_off, uv_off, 1);
-}
-
-static void intra_recon_16bpp(AVCodecContext *ctx, ptrdiff_t y_off, ptrdiff_t uv_off)
-{
-    intra_recon(ctx, y_off, uv_off, 2);
-}
-
-static av_always_inline void mc_luma_unscaled(VP9Context *s, vp9_mc_func (*mc)[2],
-                                              uint8_t *dst, ptrdiff_t dst_stride,
-                                              const uint8_t *ref, ptrdiff_t ref_stride,
-                                              ThreadFrame *ref_frame,
-                                              ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
-                                              int bw, int bh, int w, int h, int bytesperpixel)
-{
-    int mx = mv->x, my = mv->y, th;
-
-    y += my >> 3;
-    x += mx >> 3;
-    ref += y * ref_stride + x * bytesperpixel;
-    mx &= 7;
-    my &= 7;
-    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
-    // we use +7 because the last 7 pixels of each sbrow can be changed in
-    // the longest loopfilter of the next sbrow
-    th = (y + bh + 4 * !!my + 7) >> 6;
-    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
-    // The arm/aarch64 _hv filters read one more row than what actually is
-    // needed, so switch to emulated edge one pixel sooner vertically
-    // (!!my * 5) than horizontally (!!mx * 4).
-    if (x < !!mx * 3 || y < !!my * 3 ||
-        x + !!mx * 4 > w - bw || y + !!my * 5 > h - bh) {
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
-                                 ref - !!my * 3 * ref_stride - !!mx * 3 * bytesperpixel,
-                                 160, ref_stride,
-                                 bw + !!mx * 7, bh + !!my * 7,
-                                 x - !!mx * 3, y - !!my * 3, w, h);
-        ref = s->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
-        ref_stride = 160;
-    }
-    mc[!!mx][!!my](dst, dst_stride, ref, ref_stride, bh, mx << 1, my << 1);
-}
-
-static av_always_inline void mc_chroma_unscaled(VP9Context *s, vp9_mc_func (*mc)[2],
-                                                uint8_t *dst_u, uint8_t *dst_v,
-                                                ptrdiff_t dst_stride,
-                                                const uint8_t *ref_u, ptrdiff_t src_stride_u,
-                                                const uint8_t *ref_v, ptrdiff_t src_stride_v,
-                                                ThreadFrame *ref_frame,
-                                                ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
-                                                int bw, int bh, int w, int h, int bytesperpixel)
-{
-    int mx = mv->x * (1 << !s->ss_h), my = mv->y * (1 << !s->ss_v), th;
-
-    y += my >> 4;
-    x += mx >> 4;
-    ref_u += y * src_stride_u + x * bytesperpixel;
-    ref_v += y * src_stride_v + x * bytesperpixel;
-    mx &= 15;
-    my &= 15;
-    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
-    // we use +7 because the last 7 pixels of each sbrow can be changed in
-    // the longest loopfilter of the next sbrow
-    th = (y + bh + 4 * !!my + 7) >> (6 - s->ss_v);
-    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
-    // The arm/aarch64 _hv filters read one more row than what actually is
-    // needed, so switch to emulated edge one pixel sooner vertically
-    // (!!my * 5) than horizontally (!!mx * 4).
-    if (x < !!mx * 3 || y < !!my * 3 ||
-        x + !!mx * 4 > w - bw || y + !!my * 5 > h - bh) {
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
-                                 ref_u - !!my * 3 * src_stride_u - !!mx * 3 * bytesperpixel,
-                                 160, src_stride_u,
-                                 bw + !!mx * 7, bh + !!my * 7,
-                                 x - !!mx * 3, y - !!my * 3, w, h);
-        ref_u = s->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
-        mc[!!mx][!!my](dst_u, dst_stride, ref_u, 160, bh, mx, my);
-
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
-                                 ref_v - !!my * 3 * src_stride_v - !!mx * 3 * bytesperpixel,
-                                 160, src_stride_v,
-                                 bw + !!mx * 7, bh + !!my * 7,
-                                 x - !!mx * 3, y - !!my * 3, w, h);
-        ref_v = s->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
-        mc[!!mx][!!my](dst_v, dst_stride, ref_v, 160, bh, mx, my);
-    } else {
-        mc[!!mx][!!my](dst_u, dst_stride, ref_u, src_stride_u, bh, mx, my);
-        mc[!!mx][!!my](dst_v, dst_stride, ref_v, src_stride_v, bh, mx, my);
-    }
-}
-
-#define mc_luma_dir(s, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, \
-                    px, py, pw, ph, bw, bh, w, h, i) \
-    mc_luma_unscaled(s, s->dsp.mc, dst, dst_ls, src, src_ls, tref, row, col, \
-                     mv, bw, bh, w, h, bytesperpixel)
-#define mc_chroma_dir(s, mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
-                      row, col, mv, px, py, pw, ph, bw, bh, w, h, i) \
-    mc_chroma_unscaled(s, s->dsp.mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
-                       row, col, mv, bw, bh, w, h, bytesperpixel)
-#define SCALED 0
-#define FN(x) x##_8bpp
-#define BYTES_PER_PIXEL 1
-#include "vp9_mc_template.c"
-#undef FN
-#undef BYTES_PER_PIXEL
-#define FN(x) x##_16bpp
-#define BYTES_PER_PIXEL 2
-#include "vp9_mc_template.c"
-#undef mc_luma_dir
-#undef mc_chroma_dir
-#undef FN
-#undef BYTES_PER_PIXEL
-#undef SCALED
-
-static av_always_inline void mc_luma_scaled(VP9Context *s, vp9_scaled_mc_func smc,
-                                            vp9_mc_func (*mc)[2],
-                                            uint8_t *dst, ptrdiff_t dst_stride,
-                                            const uint8_t *ref, ptrdiff_t ref_stride,
-                                            ThreadFrame *ref_frame,
-                                            ptrdiff_t y, ptrdiff_t x, const VP56mv *in_mv,
-                                            int px, int py, int pw, int ph,
-                                            int bw, int bh, int w, int h, int bytesperpixel,
-                                            const uint16_t *scale, const uint8_t *step)
-{
-    if (s->s.frames[CUR_FRAME].tf.f->width == ref_frame->f->width &&
-        s->s.frames[CUR_FRAME].tf.f->height == ref_frame->f->height) {
-        mc_luma_unscaled(s, mc, dst, dst_stride, ref, ref_stride, ref_frame,
-                         y, x, in_mv, bw, bh, w, h, bytesperpixel);
-    } else {
-#define scale_mv(n, dim) (((int64_t)(n) * scale[dim]) >> 14)
-    int mx, my;
-    int refbw_m1, refbh_m1;
-    int th;
-    VP56mv mv;
-
-    mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 8, (s->cols * 8 - x + px + 3) * 8);
-    mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 8, (s->rows * 8 - y + py + 3) * 8);
-    // BUG libvpx seems to scale the two components separately. This introduces
-    // rounding errors but we have to reproduce them to be exactly compatible
-    // with the output from libvpx...
-    mx = scale_mv(mv.x * 2, 0) + scale_mv(x * 16, 0);
-    my = scale_mv(mv.y * 2, 1) + scale_mv(y * 16, 1);
-
-    y = my >> 4;
-    x = mx >> 4;
-    ref += y * ref_stride + x * bytesperpixel;
-    mx &= 15;
-    my &= 15;
-    refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
-    refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
-    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
-    // we use +7 because the last 7 pixels of each sbrow can be changed in
-    // the longest loopfilter of the next sbrow
-    th = (y + refbh_m1 + 4 + 7) >> 6;
-    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
-    // The arm/aarch64 _hv filters read one more row than what actually is
-    // needed, so switch to emulated edge one pixel sooner vertically
-    // (y + 5 >= h - refbh_m1) than horizontally (x + 4 >= w - refbw_m1).
-    if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 5 >= h - refbh_m1) {
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
-                                 ref - 3 * ref_stride - 3 * bytesperpixel,
-                                 288, ref_stride,
-                                 refbw_m1 + 8, refbh_m1 + 8,
-                                 x - 3, y - 3, w, h);
-        ref = s->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
-        ref_stride = 288;
-    }
-    smc(dst, dst_stride, ref, ref_stride, bh, mx, my, step[0], step[1]);
-    }
-}
-
-static av_always_inline void mc_chroma_scaled(VP9Context *s, vp9_scaled_mc_func smc,
-                                              vp9_mc_func (*mc)[2],
-                                              uint8_t *dst_u, uint8_t *dst_v,
-                                              ptrdiff_t dst_stride,
-                                              const uint8_t *ref_u, ptrdiff_t src_stride_u,
-                                              const uint8_t *ref_v, ptrdiff_t src_stride_v,
-                                              ThreadFrame *ref_frame,
-                                              ptrdiff_t y, ptrdiff_t x, const VP56mv *in_mv,
-                                              int px, int py, int pw, int ph,
-                                              int bw, int bh, int w, int h, int bytesperpixel,
-                                              const uint16_t *scale, const uint8_t *step)
-{
-    if (s->s.frames[CUR_FRAME].tf.f->width == ref_frame->f->width &&
-        s->s.frames[CUR_FRAME].tf.f->height == ref_frame->f->height) {
-        mc_chroma_unscaled(s, mc, dst_u, dst_v, dst_stride, ref_u, src_stride_u,
-                           ref_v, src_stride_v, ref_frame,
-                           y, x, in_mv, bw, bh, w, h, bytesperpixel);
-    } else {
-    int mx, my;
-    int refbw_m1, refbh_m1;
-    int th;
-    VP56mv mv;
-
-    if (s->ss_h) {
-        // BUG https://code.google.com/p/webm/issues/detail?id=820
-        mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 16, (s->cols * 4 - x + px + 3) * 16);
-        mx = scale_mv(mv.x, 0) + (scale_mv(x * 16, 0) & ~15) + (scale_mv(x * 32, 0) & 15);
-    } else {
-        mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 8, (s->cols * 8 - x + px + 3) * 8);
-        mx = scale_mv(mv.x * 2, 0) + scale_mv(x * 16, 0);
-    }
-    if (s->ss_v) {
-        // BUG https://code.google.com/p/webm/issues/detail?id=820
-        mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 16, (s->rows * 4 - y + py + 3) * 16);
-        my = scale_mv(mv.y, 1) + (scale_mv(y * 16, 1) & ~15) + (scale_mv(y * 32, 1) & 15);
-    } else {
-        mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 8, (s->rows * 8 - y + py + 3) * 8);
-        my = scale_mv(mv.y * 2, 1) + scale_mv(y * 16, 1);
-    }
-#undef scale_mv
-    y = my >> 4;
-    x = mx >> 4;
-    ref_u += y * src_stride_u + x * bytesperpixel;
-    ref_v += y * src_stride_v + x * bytesperpixel;
-    mx &= 15;
-    my &= 15;
-    refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
-    refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
-    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
-    // we use +7 because the last 7 pixels of each sbrow can be changed in
-    // the longest loopfilter of the next sbrow
-    th = (y + refbh_m1 + 4 + 7) >> (6 - s->ss_v);
-    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
-    // The arm/aarch64 _hv filters read one more row than what actually is
-    // needed, so switch to emulated edge one pixel sooner vertically
-    // (y + 5 >= h - refbh_m1) than horizontally (x + 4 >= w - refbw_m1).
-    if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 5 >= h - refbh_m1) {
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
-                                 ref_u - 3 * src_stride_u - 3 * bytesperpixel,
-                                 288, src_stride_u,
-                                 refbw_m1 + 8, refbh_m1 + 8,
-                                 x - 3, y - 3, w, h);
-        ref_u = s->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
-        smc(dst_u, dst_stride, ref_u, 288, bh, mx, my, step[0], step[1]);
-
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
-                                 ref_v - 3 * src_stride_v - 3 * bytesperpixel,
-                                 288, src_stride_v,
-                                 refbw_m1 + 8, refbh_m1 + 8,
-                                 x - 3, y - 3, w, h);
-        ref_v = s->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
-        smc(dst_v, dst_stride, ref_v, 288, bh, mx, my, step[0], step[1]);
-    } else {
-        smc(dst_u, dst_stride, ref_u, src_stride_u, bh, mx, my, step[0], step[1]);
-        smc(dst_v, dst_stride, ref_v, src_stride_v, bh, mx, my, step[0], step[1]);
-    }
-    }
-}
-
-#define mc_luma_dir(s, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, \
-                    px, py, pw, ph, bw, bh, w, h, i) \
-    mc_luma_scaled(s, s->dsp.s##mc, s->dsp.mc, dst, dst_ls, src, src_ls, tref, row, col, \
-                   mv, px, py, pw, ph, bw, bh, w, h, bytesperpixel, \
-                   s->mvscale[b->ref[i]], s->mvstep[b->ref[i]])
-#define mc_chroma_dir(s, mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
-                      row, col, mv, px, py, pw, ph, bw, bh, w, h, i) \
-    mc_chroma_scaled(s, s->dsp.s##mc, s->dsp.mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
-                     row, col, mv, px, py, pw, ph, bw, bh, w, h, bytesperpixel, \
-                     s->mvscale[b->ref[i]], s->mvstep[b->ref[i]])
-#define SCALED 1
-#define FN(x) x##_scaled_8bpp
-#define BYTES_PER_PIXEL 1
-#include "vp9_mc_template.c"
-#undef FN
-#undef BYTES_PER_PIXEL
-#define FN(x) x##_scaled_16bpp
-#define BYTES_PER_PIXEL 2
-#include "vp9_mc_template.c"
-#undef mc_luma_dir
-#undef mc_chroma_dir
-#undef FN
-#undef BYTES_PER_PIXEL
-#undef SCALED
-
-static av_always_inline void inter_recon(AVCodecContext *ctx, int bytesperpixel)
-{
-    VP9Context *s = ctx->priv_data;
-    VP9Block *b = s->b;
-    int row = s->row, col = s->col;
-
-    if (s->mvscale[b->ref[0]][0] || (b->comp && s->mvscale[b->ref[1]][0])) {
-        if (bytesperpixel == 1) {
-            inter_pred_scaled_8bpp(ctx);
-        } else {
-            inter_pred_scaled_16bpp(ctx);
-        }
-    } else {
-        if (bytesperpixel == 1) {
-            inter_pred_8bpp(ctx);
-        } else {
-            inter_pred_16bpp(ctx);
-        }
-    }
-    if (!b->skip) {
-        /* mostly copied intra_recon() */
-
-        int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
-        int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);
-        int end_x = FFMIN(2 * (s->cols - col), w4);
-        int end_y = FFMIN(2 * (s->rows - row), h4);
-        int tx = 4 * s->s.h.lossless + b->tx, uvtx = b->uvtx + 4 * s->s.h.lossless;
-        int uvstep1d = 1 << b->uvtx, p;
-        uint8_t *dst = s->dst[0];
-
-        // y itxfm add
-        for (n = 0, y = 0; y < end_y; y += step1d) {
-            uint8_t *ptr = dst;
-            for (x = 0; x < end_x; x += step1d,
-                 ptr += 4 * step1d * bytesperpixel, n += step) {
-                int eob = b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n];
-
-                if (eob)
-                    s->dsp.itxfm_add[tx][DCT_DCT](ptr, s->y_stride,
-                                                  s->block + 16 * n * bytesperpixel, eob);
-            }
-            dst += 4 * s->y_stride * step1d;
-        }
-
-        // uv itxfm add
-        end_x >>= s->ss_h;
-        end_y >>= s->ss_v;
-        step = 1 << (b->uvtx * 2);
-        for (p = 0; p < 2; p++) {
-            dst = s->dst[p + 1];
-            for (n = 0, y = 0; y < end_y; y += uvstep1d) {
-                uint8_t *ptr = dst;
-                for (x = 0; x < end_x; x += uvstep1d,
-                     ptr += 4 * uvstep1d * bytesperpixel, n += step) {
-                    int eob = b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n]) : s->uveob[p][n];
-
-                    if (eob)
-                        s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, s->uv_stride,
-                                                        s->uvblock[p] + 16 * n * bytesperpixel, eob);
-                }
-                dst += 4 * uvstep1d * s->uv_stride;
-            }
-        }
-    }
-}
-
-static void inter_recon_8bpp(AVCodecContext *ctx)
-{
-    inter_recon(ctx, 1);
-}
-
-static void inter_recon_16bpp(AVCodecContext *ctx)
-{
-    inter_recon(ctx, 2);
-}
-
-static av_always_inline void mask_edges(uint8_t (*mask)[8][4], int ss_h, int ss_v,
-                                        int row_and_7, int col_and_7,
-                                        int w, int h, int col_end, int row_end,
-                                        enum TxfmMode tx, int skip_inter)
-{
-    static const unsigned wide_filter_col_mask[2] = { 0x11, 0x01 };
-    static const unsigned wide_filter_row_mask[2] = { 0x03, 0x07 };
-
-    // FIXME I'm pretty sure all loops can be replaced by a single LUT if
-    // we make VP9Filter.mask uint64_t (i.e. row/col all single variable)
-    // and make the LUT 5-indexed (bl, bp, is_uv, tx and row/col), and then
-    // use row_and_7/col_and_7 as shifts (1*col_and_7+8*row_and_7)
-
-    // the intended behaviour of the vp9 loopfilter is to work on 8-pixel
-    // edges. This means that for UV, we work on two subsampled blocks at
-    // a time, and we only use the topleft block's mode information to set
-    // things like block strength. Thus, for any block size smaller than
-    // 16x16, ignore the odd portion of the block.
-    if (tx == TX_4X4 && (ss_v | ss_h)) {
-        if (h == ss_v) {
-            if (row_and_7 & 1)
-                return;
-            if (!row_end)
-                h += 1;
-        }
-        if (w == ss_h) {
-            if (col_and_7 & 1)
-                return;
-            if (!col_end)
-                w += 1;
-        }
-    }
-
-    if (tx == TX_4X4 && !skip_inter) {
-        int t = 1 << col_and_7, m_col = (t << w) - t, y;
-        // on 32-px edges, use the 8-px wide loopfilter; else, use 4-px wide
-        int m_row_8 = m_col & wide_filter_col_mask[ss_h], m_row_4 = m_col - m_row_8;
-
-        for (y = row_and_7; y < h + row_and_7; y++) {
-            int col_mask_id = 2 - !(y & wide_filter_row_mask[ss_v]);
-
-            mask[0][y][1] |= m_row_8;
-            mask[0][y][2] |= m_row_4;
-            // for odd lines, if the odd col is not being filtered,
-            // skip odd row also:
-            // .---. <-- a
-            // |   |
-            // |___| <-- b
-            // ^   ^
-            // c   d
-            //
-            // if a/c are even row/col and b/d are odd, and d is skipped,
-            // e.g. right edge of size-66x66.webm, then skip b also (bug)
-            if ((ss_h & ss_v) && (col_end & 1) && (y & 1)) {
-                mask[1][y][col_mask_id] |= (t << (w - 1)) - t;
-            } else {
-                mask[1][y][col_mask_id] |= m_col;
-            }
-            if (!ss_h)
-                mask[0][y][3] |= m_col;
-            if (!ss_v) {
-                if (ss_h && (col_end & 1))
-                    mask[1][y][3] |= (t << (w - 1)) - t;
-                else
-                    mask[1][y][3] |= m_col;
-            }
-        }
-    } else {
-        int y, t = 1 << col_and_7, m_col = (t << w) - t;
-
-        if (!skip_inter) {
-            int mask_id = (tx == TX_8X8);
-            static const unsigned masks[4] = { 0xff, 0x55, 0x11, 0x01 };
-            int l2 = tx + ss_h - 1, step1d;
-            int m_row = m_col & masks[l2];
-
-            // at odd UV col/row edges tx16/tx32 loopfilter edges, force
-            // 8wd loopfilter to prevent going off the visible edge.
-            if (ss_h && tx > TX_8X8 && (w ^ (w - 1)) == 1) {
-                int m_row_16 = ((t << (w - 1)) - t) & masks[l2];
-                int m_row_8 = m_row - m_row_16;
-
-                for (y = row_and_7; y < h + row_and_7; y++) {
-                    mask[0][y][0] |= m_row_16;
-                    mask[0][y][1] |= m_row_8;
-                }
-            } else {
-                for (y = row_and_7; y < h + row_and_7; y++)
-                    mask[0][y][mask_id] |= m_row;
-            }
-
-            l2 = tx + ss_v - 1;
-            step1d = 1 << l2;
-            if (ss_v && tx > TX_8X8 && (h ^ (h - 1)) == 1) {
-                for (y = row_and_7; y < h + row_and_7 - 1; y += step1d)
-                    mask[1][y][0] |= m_col;
-                if (y - row_and_7 == h - 1)
-                    mask[1][y][1] |= m_col;
-            } else {
-                for (y = row_and_7; y < h + row_and_7; y += step1d)
-                    mask[1][y][mask_id] |= m_col;
-            }
-        } else if (tx != TX_4X4) {
-            int mask_id;
-
-            mask_id = (tx == TX_8X8) || (h == ss_v);
-            mask[1][row_and_7][mask_id] |= m_col;
-            mask_id = (tx == TX_8X8) || (w == ss_h);
-            for (y = row_and_7; y < h + row_and_7; y++)
-                mask[0][y][mask_id] |= t;
-        } else {
-            int t8 = t & wide_filter_col_mask[ss_h], t4 = t - t8;
-
-            for (y = row_and_7; y < h + row_and_7; y++) {
-                mask[0][y][2] |= t4;
-                mask[0][y][1] |= t8;
-            }
-            mask[1][row_and_7][2 - !(row_and_7 & wide_filter_row_mask[ss_v])] |= m_col;
-        }
-    }
-}
-
-static void decode_b(AVCodecContext *ctx, int row, int col,
-                     struct VP9Filter *lflvl, ptrdiff_t yoff, ptrdiff_t uvoff,
-                     enum BlockLevel bl, enum BlockPartition bp)
-{
-    VP9Context *s = ctx->priv_data;
-    VP9Block *b = s->b;
-    enum BlockSize bs = bl * 3 + bp;
-    int bytesperpixel = s->bytesperpixel;
-    int w4 = bwh_tab[1][bs][0], h4 = bwh_tab[1][bs][1], lvl;
-    int emu[2];
-    AVFrame *f = s->s.frames[CUR_FRAME].tf.f;
-
-    s->row = row;
-    s->row7 = row & 7;
-    s->col = col;
-    s->col7 = col & 7;
-    s->min_mv.x = -(128 + col * 64);
-    s->min_mv.y = -(128 + row * 64);
-    s->max_mv.x = 128 + (s->cols - col - w4) * 64;
-    s->max_mv.y = 128 + (s->rows - row - h4) * 64;
-    if (s->pass < 2) {
-        b->bs = bs;
-        b->bl = bl;
-        b->bp = bp;
-        decode_mode(ctx);
-        b->uvtx = b->tx - ((s->ss_h && w4 * 2 == (1 << b->tx)) ||
-                           (s->ss_v && h4 * 2 == (1 << b->tx)));
-
-        if (!b->skip) {
-            int has_coeffs;
-
-            if (bytesperpixel == 1) {
-                has_coeffs = decode_coeffs_8bpp(ctx);
-            } else {
-                has_coeffs = decode_coeffs_16bpp(ctx);
-            }
-            if (!has_coeffs && b->bs <= BS_8x8 && !b->intra) {
-                b->skip = 1;
-                memset(&s->above_skip_ctx[col], 1, w4);
-                memset(&s->left_skip_ctx[s->row7], 1, h4);
-            }
-        } else {
-            int row7 = s->row7;
-
-#define SPLAT_ZERO_CTX(v, n) \
-    switch (n) { \
-    case 1:  v = 0;          break; \
-    case 2:  AV_ZERO16(&v);  break; \
-    case 4:  AV_ZERO32(&v);  break; \
-    case 8:  AV_ZERO64(&v);  break; \
-    case 16: AV_ZERO128(&v); break; \
-    }
-#define SPLAT_ZERO_YUV(dir, var, off, n, dir2) \
-    do { \
-        SPLAT_ZERO_CTX(s->dir##_y_##var[off * 2], n * 2); \
-        if (s->ss_##dir2) { \
-            SPLAT_ZERO_CTX(s->dir##_uv_##var[0][off], n); \
-            SPLAT_ZERO_CTX(s->dir##_uv_##var[1][off], n); \
-        } else { \
-            SPLAT_ZERO_CTX(s->dir##_uv_##var[0][off * 2], n * 2); \
-            SPLAT_ZERO_CTX(s->dir##_uv_##var[1][off * 2], n * 2); \
-        } \
-    } while (0)
-
-            switch (w4) {
-            case 1: SPLAT_ZERO_YUV(above, nnz_ctx, col, 1, h); break;
-            case 2: SPLAT_ZERO_YUV(above, nnz_ctx, col, 2, h); break;
-            case 4: SPLAT_ZERO_YUV(above, nnz_ctx, col, 4, h); break;
-            case 8: SPLAT_ZERO_YUV(above, nnz_ctx, col, 8, h); break;
-            }
-            switch (h4) {
-            case 1: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 1, v); break;
-            case 2: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 2, v); break;
-            case 4: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 4, v); break;
-            case 8: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 8, v); break;
-            }
-        }
-
-        if (s->pass == 1) {
-            s->b++;
-            s->block += w4 * h4 * 64 * bytesperpixel;
-            s->uvblock[0] += w4 * h4 * 64 * bytesperpixel >> (s->ss_h + s->ss_v);
-            s->uvblock[1] += w4 * h4 * 64 * bytesperpixel >> (s->ss_h + s->ss_v);
-            s->eob += 4 * w4 * h4;
-            s->uveob[0] += 4 * w4 * h4 >> (s->ss_h + s->ss_v);
-            s->uveob[1] += 4 * w4 * h4 >> (s->ss_h + s->ss_v);
-
-            return;
-        }
-    }
-
-    // emulated overhangs if the stride of the target buffer can't hold. This
-    // makes it possible to support emu-edge and so on even if we have large block
-    // overhangs
-    emu[0] = (col + w4) * 8 * bytesperpixel > f->linesize[0] ||
-             (row + h4) > s->rows;
-    emu[1] = ((col + w4) * 8 >> s->ss_h) * bytesperpixel > f->linesize[1] ||
-             (row + h4) > s->rows;
-    if (emu[0]) {
-        s->dst[0] = s->tmp_y;
-        s->y_stride = 128;
-    } else {
-        s->dst[0] = f->data[0] + yoff;
-        s->y_stride = f->linesize[0];
-    }
-    if (emu[1]) {
-        s->dst[1] = s->tmp_uv[0];
-        s->dst[2] = s->tmp_uv[1];
-        s->uv_stride = 128;
-    } else {
-        s->dst[1] = f->data[1] + uvoff;
-        s->dst[2] = f->data[2] + uvoff;
-        s->uv_stride = f->linesize[1];
-    }
-    if (b->intra) {
-        if (s->s.h.bpp > 8) {
-            intra_recon_16bpp(ctx, yoff, uvoff);
-        } else {
-            intra_recon_8bpp(ctx, yoff, uvoff);
-        }
-    } else {
-        if (s->s.h.bpp > 8) {
-            inter_recon_16bpp(ctx);
-        } else {
-            inter_recon_8bpp(ctx);
-        }
-    }
-    if (emu[0]) {
-        int w = FFMIN(s->cols - col, w4) * 8, h = FFMIN(s->rows - row, h4) * 8, n, o = 0;
-
-        for (n = 0; o < w; n++) {
-            int bw = 64 >> n;
-
-            av_assert2(n <= 4);
-            if (w & bw) {
-                s->dsp.mc[n][0][0][0][0](f->data[0] + yoff + o * bytesperpixel, f->linesize[0],
-                                         s->tmp_y + o * bytesperpixel, 128, h, 0, 0);
-                o += bw;
-            }
-        }
-    }
-    if (emu[1]) {
-        int w = FFMIN(s->cols - col, w4) * 8 >> s->ss_h;
-        int h = FFMIN(s->rows - row, h4) * 8 >> s->ss_v, n, o = 0;
-
-        for (n = s->ss_h; o < w; n++) {
-            int bw = 64 >> n;
-
-            av_assert2(n <= 4);
-            if (w & bw) {
-                s->dsp.mc[n][0][0][0][0](f->data[1] + uvoff + o * bytesperpixel, f->linesize[1],
-                                         s->tmp_uv[0] + o * bytesperpixel, 128, h, 0, 0);
-                s->dsp.mc[n][0][0][0][0](f->data[2] + uvoff + o * bytesperpixel, f->linesize[2],
-                                         s->tmp_uv[1] + o * bytesperpixel, 128, h, 0, 0);
-                o += bw;
-            }
-        }
-    }
-
-    // pick filter level and find edges to apply filter to
-    if (s->s.h.filter.level &&
-        (lvl = s->s.h.segmentation.feat[b->seg_id].lflvl[b->intra ? 0 : b->ref[0] + 1]
-                                                      [b->mode[3] != ZEROMV]) > 0) {
-        int x_end = FFMIN(s->cols - col, w4), y_end = FFMIN(s->rows - row, h4);
-        int skip_inter = !b->intra && b->skip, col7 = s->col7, row7 = s->row7;
-
-        setctx_2d(&lflvl->level[row7 * 8 + col7], w4, h4, 8, lvl);
-        mask_edges(lflvl->mask[0], 0, 0, row7, col7, x_end, y_end, 0, 0, b->tx, skip_inter);
-        if (s->ss_h || s->ss_v)
-            mask_edges(lflvl->mask[1], s->ss_h, s->ss_v, row7, col7, x_end, y_end,
-                       s->cols & 1 && col + w4 >= s->cols ? s->cols & 7 : 0,
-                       s->rows & 1 && row + h4 >= s->rows ? s->rows & 7 : 0,
-                       b->uvtx, skip_inter);
-
-        if (!s->filter_lut.lim_lut[lvl]) {
-            int sharp = s->s.h.filter.sharpness;
-            int limit = lvl;
-
-            if (sharp > 0) {
-                limit >>= (sharp + 3) >> 2;
-                limit = FFMIN(limit, 9 - sharp);
-            }
-            limit = FFMAX(limit, 1);
-
-            s->filter_lut.lim_lut[lvl] = limit;
-            s->filter_lut.mblim_lut[lvl] = 2 * (lvl + 2) + limit;
-        }
-    }
-
-    if (s->pass == 2) {
-        s->b++;
-        s->block += w4 * h4 * 64 * bytesperpixel;
-        s->uvblock[0] += w4 * h4 * 64 * bytesperpixel >> (s->ss_v + s->ss_h);
-        s->uvblock[1] += w4 * h4 * 64 * bytesperpixel >> (s->ss_v + s->ss_h);
-        s->eob += 4 * w4 * h4;
-        s->uveob[0] += 4 * w4 * h4 >> (s->ss_v + s->ss_h);
-        s->uveob[1] += 4 * w4 * h4 >> (s->ss_v + s->ss_h);
-    }
-}
-
 static void decode_sb(AVCodecContext *ctx, int row, int col, struct VP9Filter *lflvl,
                       ptrdiff_t yoff, ptrdiff_t uvoff, enum BlockLevel bl)
 {
     VP9Context *s = ctx->priv_data;
     int c = ((s->above_partition_ctx[col] >> (3 - bl)) & 1) |
             (((s->left_partition_ctx[row & 0x7] >> (3 - bl)) & 1) << 1);
-    const uint8_t *p = s->s.h.keyframe || s->s.h.intraonly ? vp9_default_kf_partition_probs[bl][c] :
+    const uint8_t *p = s->s.h.keyframe || s->s.h.intraonly ? ff_vp9_default_kf_partition_probs[bl][c] :
                                                      s->prob.p.partition[bl][c];
     enum BlockPartition bp;
     ptrdiff_t hbs = 4 >> bl;
@@ -3421,26 +930,26 @@ static void decode_sb(AVCodecContext *ctx, int row, int col, struct VP9Filter *l
     int bytesperpixel = s->bytesperpixel;
 
     if (bl == BL_8X8) {
-        bp = vp8_rac_get_tree(&s->c, vp9_partition_tree, p);
-        decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
+        bp = vp8_rac_get_tree(&s->c, ff_vp9_partition_tree, p);
+        ff_vp9_decode_block(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
     } else if (col + hbs < s->cols) { // FIXME why not <=?
         if (row + hbs < s->rows) { // FIXME why not <=?
-            bp = vp8_rac_get_tree(&s->c, vp9_partition_tree, p);
+            bp = vp8_rac_get_tree(&s->c, ff_vp9_partition_tree, p);
             switch (bp) {
             case PARTITION_NONE:
-                decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
+                ff_vp9_decode_block(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
                 break;
             case PARTITION_H:
-                decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
+                ff_vp9_decode_block(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
                 yoff  += hbs * 8 * y_stride;
                 uvoff += hbs * 8 * uv_stride >> s->ss_v;
-                decode_b(ctx, row + hbs, col, lflvl, yoff, uvoff, bl, bp);
+                ff_vp9_decode_block(ctx, row + hbs, col, lflvl, yoff, uvoff, bl, bp);
                 break;
             case PARTITION_V:
-                decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
+                ff_vp9_decode_block(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
                 yoff  += hbs * 8 * bytesperpixel;
                 uvoff += hbs * 8 * bytesperpixel >> s->ss_h;
-                decode_b(ctx, row, col + hbs, lflvl, yoff, uvoff, bl, bp);
+                ff_vp9_decode_block(ctx, row, col + hbs, lflvl, yoff, uvoff, bl, bp);
                 break;
             case PARTITION_SPLIT:
                 decode_sb(ctx, row, col, lflvl, yoff, uvoff, bl + 1);
@@ -3465,7 +974,7 @@ static void decode_sb(AVCodecContext *ctx, int row, int col, struct VP9Filter *l
                       uvoff + (8 * hbs * bytesperpixel >> s->ss_h), bl + 1);
         } else {
             bp = PARTITION_H;
-            decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
+            ff_vp9_decode_block(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
         }
     } else if (row + hbs < s->rows) { // FIXME why not <=?
         if (vp56_rac_get_prob_branchy(&s->c, p[2])) {
@@ -3476,7 +985,7 @@ static void decode_sb(AVCodecContext *ctx, int row, int col, struct VP9Filter *l
             decode_sb(ctx, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
         } else {
             bp = PARTITION_V;
-            decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
+            ff_vp9_decode_block(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
         }
     } else {
         bp = PARTITION_SPLIT;
@@ -3497,17 +1006,17 @@ static void decode_sb_mem(AVCodecContext *ctx, int row, int col, struct VP9Filte
 
     if (bl == BL_8X8) {
         av_assert2(b->bl == BL_8X8);
-        decode_b(ctx, row, col, lflvl, yoff, uvoff, b->bl, b->bp);
+        ff_vp9_decode_block(ctx, row, col, lflvl, yoff, uvoff, b->bl, b->bp);
     } else if (s->b->bl == bl) {
-        decode_b(ctx, row, col, lflvl, yoff, uvoff, b->bl, b->bp);
+        ff_vp9_decode_block(ctx, row, col, lflvl, yoff, uvoff, b->bl, b->bp);
         if (b->bp == PARTITION_H && row + hbs < s->rows) {
             yoff  += hbs * 8 * y_stride;
             uvoff += hbs * 8 * uv_stride >> s->ss_v;
-            decode_b(ctx, row + hbs, col, lflvl, yoff, uvoff, b->bl, b->bp);
+            ff_vp9_decode_block(ctx, row + hbs, col, lflvl, yoff, uvoff, b->bl, b->bp);
         } else if (b->bp == PARTITION_V && col + hbs < s->cols) {
             yoff  += hbs * 8 * bytesperpixel;
             uvoff += hbs * 8 * bytesperpixel >> s->ss_h;
-            decode_b(ctx, row, col + hbs, lflvl, yoff, uvoff, b->bl, b->bp);
+            ff_vp9_decode_block(ctx, row, col + hbs, lflvl, yoff, uvoff, b->bl, b->bp);
         }
     } else {
         decode_sb_mem(ctx, row, col, lflvl, yoff, uvoff, bl + 1);
@@ -3720,245 +1229,6 @@ static void set_tile_offset(int *start, int *end, int idx, int log2_n, int n)
     *end   = FFMIN(sb_end,   n) << 3;
 }
 
-static av_always_inline void adapt_prob(uint8_t *p, unsigned ct0, unsigned ct1,
-                                        int max_count, int update_factor)
-{
-    unsigned ct = ct0 + ct1, p2, p1;
-
-    if (!ct)
-        return;
-
-    update_factor = FASTDIV(update_factor * FFMIN(ct, max_count), max_count);
-    p1 = *p;
-    p2 = ((((int64_t) ct0) << 8) + (ct >> 1)) / ct;
-    p2 = av_clip(p2, 1, 255);
-
-    // (p1 * (256 - update_factor) + p2 * update_factor + 128) >> 8
-    *p = p1 + (((p2 - p1) * update_factor + 128) >> 8);
-}
-
-static void adapt_probs(VP9Context *s)
-{
-    int i, j, k, l, m;
-    prob_context *p = &s->prob_ctx[s->s.h.framectxid].p;
-    int uf = (s->s.h.keyframe || s->s.h.intraonly || !s->last_keyframe) ? 112 : 128;
-
-    // coefficients
-    for (i = 0; i < 4; i++)
-        for (j = 0; j < 2; j++)
-            for (k = 0; k < 2; k++)
-                for (l = 0; l < 6; l++)
-                    for (m = 0; m < 6; m++) {
-                        uint8_t *pp = s->prob_ctx[s->s.h.framectxid].coef[i][j][k][l][m];
-                        unsigned *e = s->counts.eob[i][j][k][l][m];
-                        unsigned *c = s->counts.coef[i][j][k][l][m];
-
-                        if (l == 0 && m >= 3) // dc only has 3 pt
-                            break;
-
-                        adapt_prob(&pp[0], e[0], e[1], 24, uf);
-                        adapt_prob(&pp[1], c[0], c[1] + c[2], 24, uf);
-                        adapt_prob(&pp[2], c[1], c[2], 24, uf);
-                    }
-
-    if (s->s.h.keyframe || s->s.h.intraonly) {
-        memcpy(p->skip,  s->prob.p.skip,  sizeof(p->skip));
-        memcpy(p->tx32p, s->prob.p.tx32p, sizeof(p->tx32p));
-        memcpy(p->tx16p, s->prob.p.tx16p, sizeof(p->tx16p));
-        memcpy(p->tx8p,  s->prob.p.tx8p,  sizeof(p->tx8p));
-        return;
-    }
-
-    // skip flag
-    for (i = 0; i < 3; i++)
-        adapt_prob(&p->skip[i], s->counts.skip[i][0], s->counts.skip[i][1], 20, 128);
-
-    // intra/inter flag
-    for (i = 0; i < 4; i++)
-        adapt_prob(&p->intra[i], s->counts.intra[i][0], s->counts.intra[i][1], 20, 128);
-
-    // comppred flag
-    if (s->s.h.comppredmode == PRED_SWITCHABLE) {
-      for (i = 0; i < 5; i++)
-          adapt_prob(&p->comp[i], s->counts.comp[i][0], s->counts.comp[i][1], 20, 128);
-    }
-
-    // reference frames
-    if (s->s.h.comppredmode != PRED_SINGLEREF) {
-      for (i = 0; i < 5; i++)
-          adapt_prob(&p->comp_ref[i], s->counts.comp_ref[i][0],
-                     s->counts.comp_ref[i][1], 20, 128);
-    }
-
-    if (s->s.h.comppredmode != PRED_COMPREF) {
-      for (i = 0; i < 5; i++) {
-          uint8_t *pp = p->single_ref[i];
-          unsigned (*c)[2] = s->counts.single_ref[i];
-
-          adapt_prob(&pp[0], c[0][0], c[0][1], 20, 128);
-          adapt_prob(&pp[1], c[1][0], c[1][1], 20, 128);
-      }
-    }
-
-    // block partitioning
-    for (i = 0; i < 4; i++)
-        for (j = 0; j < 4; j++) {
-            uint8_t *pp = p->partition[i][j];
-            unsigned *c = s->counts.partition[i][j];
-
-            adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
-            adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
-            adapt_prob(&pp[2], c[2], c[3], 20, 128);
-        }
-
-    // tx size
-    if (s->s.h.txfmmode == TX_SWITCHABLE) {
-      for (i = 0; i < 2; i++) {
-          unsigned *c16 = s->counts.tx16p[i], *c32 = s->counts.tx32p[i];
-
-          adapt_prob(&p->tx8p[i], s->counts.tx8p[i][0], s->counts.tx8p[i][1], 20, 128);
-          adapt_prob(&p->tx16p[i][0], c16[0], c16[1] + c16[2], 20, 128);
-          adapt_prob(&p->tx16p[i][1], c16[1], c16[2], 20, 128);
-          adapt_prob(&p->tx32p[i][0], c32[0], c32[1] + c32[2] + c32[3], 20, 128);
-          adapt_prob(&p->tx32p[i][1], c32[1], c32[2] + c32[3], 20, 128);
-          adapt_prob(&p->tx32p[i][2], c32[2], c32[3], 20, 128);
-      }
-    }
-
-    // interpolation filter
-    if (s->s.h.filtermode == FILTER_SWITCHABLE) {
-        for (i = 0; i < 4; i++) {
-            uint8_t *pp = p->filter[i];
-            unsigned *c = s->counts.filter[i];
-
-            adapt_prob(&pp[0], c[0], c[1] + c[2], 20, 128);
-            adapt_prob(&pp[1], c[1], c[2], 20, 128);
-        }
-    }
-
-    // inter modes
-    for (i = 0; i < 7; i++) {
-        uint8_t *pp = p->mv_mode[i];
-        unsigned *c = s->counts.mv_mode[i];
-
-        adapt_prob(&pp[0], c[2], c[1] + c[0] + c[3], 20, 128);
-        adapt_prob(&pp[1], c[0], c[1] + c[3], 20, 128);
-        adapt_prob(&pp[2], c[1], c[3], 20, 128);
-    }
-
-    // mv joints
-    {
-        uint8_t *pp = p->mv_joint;
-        unsigned *c = s->counts.mv_joint;
-
-        adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
-        adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
-        adapt_prob(&pp[2], c[2], c[3], 20, 128);
-    }
-
-    // mv components
-    for (i = 0; i < 2; i++) {
-        uint8_t *pp;
-        unsigned *c, (*c2)[2], sum;
-
-        adapt_prob(&p->mv_comp[i].sign, s->counts.mv_comp[i].sign[0],
-                   s->counts.mv_comp[i].sign[1], 20, 128);
-
-        pp = p->mv_comp[i].classes;
-        c = s->counts.mv_comp[i].classes;
-        sum = c[1] + c[2] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9] + c[10];
-        adapt_prob(&pp[0], c[0], sum, 20, 128);
-        sum -= c[1];
-        adapt_prob(&pp[1], c[1], sum, 20, 128);
-        sum -= c[2] + c[3];
-        adapt_prob(&pp[2], c[2] + c[3], sum, 20, 128);
-        adapt_prob(&pp[3], c[2], c[3], 20, 128);
-        sum -= c[4] + c[5];
-        adapt_prob(&pp[4], c[4] + c[5], sum, 20, 128);
-        adapt_prob(&pp[5], c[4], c[5], 20, 128);
-        sum -= c[6];
-        adapt_prob(&pp[6], c[6], sum, 20, 128);
-        adapt_prob(&pp[7], c[7] + c[8], c[9] + c[10], 20, 128);
-        adapt_prob(&pp[8], c[7], c[8], 20, 128);
-        adapt_prob(&pp[9], c[9], c[10], 20, 128);
-
-        adapt_prob(&p->mv_comp[i].class0, s->counts.mv_comp[i].class0[0],
-                   s->counts.mv_comp[i].class0[1], 20, 128);
-        pp = p->mv_comp[i].bits;
-        c2 = s->counts.mv_comp[i].bits;
-        for (j = 0; j < 10; j++)
-            adapt_prob(&pp[j], c2[j][0], c2[j][1], 20, 128);
-
-        for (j = 0; j < 2; j++) {
-            pp = p->mv_comp[i].class0_fp[j];
-            c = s->counts.mv_comp[i].class0_fp[j];
-            adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
-            adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
-            adapt_prob(&pp[2], c[2], c[3], 20, 128);
-        }
-        pp = p->mv_comp[i].fp;
-        c = s->counts.mv_comp[i].fp;
-        adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
-        adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
-        adapt_prob(&pp[2], c[2], c[3], 20, 128);
-
-        if (s->s.h.highprecisionmvs) {
-            adapt_prob(&p->mv_comp[i].class0_hp, s->counts.mv_comp[i].class0_hp[0],
-                       s->counts.mv_comp[i].class0_hp[1], 20, 128);
-            adapt_prob(&p->mv_comp[i].hp, s->counts.mv_comp[i].hp[0],
-                       s->counts.mv_comp[i].hp[1], 20, 128);
-        }
-    }
-
-    // y intra modes
-    for (i = 0; i < 4; i++) {
-        uint8_t *pp = p->y_mode[i];
-        unsigned *c = s->counts.y_mode[i], sum, s2;
-
-        sum = c[0] + c[1] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9];
-        adapt_prob(&pp[0], c[DC_PRED], sum, 20, 128);
-        sum -= c[TM_VP8_PRED];
-        adapt_prob(&pp[1], c[TM_VP8_PRED], sum, 20, 128);
-        sum -= c[VERT_PRED];
-        adapt_prob(&pp[2], c[VERT_PRED], sum, 20, 128);
-        s2 = c[HOR_PRED] + c[DIAG_DOWN_RIGHT_PRED] + c[VERT_RIGHT_PRED];
-        sum -= s2;
-        adapt_prob(&pp[3], s2, sum, 20, 128);
-        s2 -= c[HOR_PRED];
-        adapt_prob(&pp[4], c[HOR_PRED], s2, 20, 128);
-        adapt_prob(&pp[5], c[DIAG_DOWN_RIGHT_PRED], c[VERT_RIGHT_PRED], 20, 128);
-        sum -= c[DIAG_DOWN_LEFT_PRED];
-        adapt_prob(&pp[6], c[DIAG_DOWN_LEFT_PRED], sum, 20, 128);
-        sum -= c[VERT_LEFT_PRED];
-        adapt_prob(&pp[7], c[VERT_LEFT_PRED], sum, 20, 128);
-        adapt_prob(&pp[8], c[HOR_DOWN_PRED], c[HOR_UP_PRED], 20, 128);
-    }
-
-    // uv intra modes
-    for (i = 0; i < 10; i++) {
-        uint8_t *pp = p->uv_mode[i];
-        unsigned *c = s->counts.uv_mode[i], sum, s2;
-
-        sum = c[0] + c[1] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9];
-        adapt_prob(&pp[0], c[DC_PRED], sum, 20, 128);
-        sum -= c[TM_VP8_PRED];
-        adapt_prob(&pp[1], c[TM_VP8_PRED], sum, 20, 128);
-        sum -= c[VERT_PRED];
-        adapt_prob(&pp[2], c[VERT_PRED], sum, 20, 128);
-        s2 = c[HOR_PRED] + c[DIAG_DOWN_RIGHT_PRED] + c[VERT_RIGHT_PRED];
-        sum -= s2;
-        adapt_prob(&pp[3], s2, sum, 20, 128);
-        s2 -= c[HOR_PRED];
-        adapt_prob(&pp[4], c[HOR_PRED], s2, 20, 128);
-        adapt_prob(&pp[5], c[DIAG_DOWN_RIGHT_PRED], c[VERT_RIGHT_PRED], 20, 128);
-        sum -= c[DIAG_DOWN_LEFT_PRED];
-        adapt_prob(&pp[6], c[DIAG_DOWN_LEFT_PRED], sum, 20, 128);
-        sum -= c[VERT_LEFT_PRED];
-        adapt_prob(&pp[7], c[VERT_LEFT_PRED], sum, 20, 128);
-        adapt_prob(&pp[8], c[HOR_DOWN_PRED], c[HOR_UP_PRED], 20, 128);
-    }
-}
-
 static void free_buffers(VP9Context *s)
 {
     av_freep(&s->intra_pred_data[0]);
@@ -4253,7 +1523,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         }
 
         if (s->pass < 2 && s->s.h.refreshctx && !s->s.h.parallelmode) {
-            adapt_probs(s);
+            ff_vp9_adapt_probs(s);
             ff_thread_finish_setup(ctx);
         }
     } while (s->pass++ == 1);
diff --git a/libavcodec/vp9.h b/libavcodec/vp9.h
index 89b1bd3..0097385 100644
--- a/libavcodec/vp9.h
+++ b/libavcodec/vp9.h
@@ -24,8 +24,13 @@
 #ifndef AVCODEC_VP9_H
 #define AVCODEC_VP9_H
 
+#include <stddef.h>
 #include <stdint.h>
 
+#include "libavutil/buffer.h"
+#include "libavutil/internal.h"
+
+#include "avcodec.h"
 #include "thread.h"
 #include "vp56.h"
 
@@ -118,11 +123,143 @@ enum CompPredMode {
     PRED_SWITCHABLE,
 };
 
+enum MVJoint {
+    MV_JOINT_ZERO,
+    MV_JOINT_H,
+    MV_JOINT_V,
+    MV_JOINT_HV,
+};
+
+typedef struct ProbContext {
+    uint8_t y_mode[4][9];
+    uint8_t uv_mode[10][9];
+    uint8_t filter[4][2];
+    uint8_t mv_mode[7][3];
+    uint8_t intra[4];
+    uint8_t comp[5];
+    uint8_t single_ref[5][2];
+    uint8_t comp_ref[5];
+    uint8_t tx32p[2][3];
+    uint8_t tx16p[2][2];
+    uint8_t tx8p[2];
+    uint8_t skip[3];
+    uint8_t mv_joint[3];
+    struct {
+        uint8_t sign;
+        uint8_t classes[10];
+        uint8_t class0;
+        uint8_t bits[10];
+        uint8_t class0_fp[2][3];
+        uint8_t fp[3];
+        uint8_t class0_hp;
+        uint8_t hp;
+    } mv_comp[2];
+    uint8_t partition[4][4][3];
+} ProbContext;
+
+typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
+                            const uint8_t *ref, ptrdiff_t ref_stride,
+                            int h, int mx, int my);
+typedef void (*vp9_scaled_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
+                                   const uint8_t *ref, ptrdiff_t ref_stride,
+                                   int h, int mx, int my, int dx, int dy);
+
+typedef struct VP9DSPContext {
+    /*
+     * dimension 1: 0=4x4, 1=8x8, 2=16x16, 3=32x32
+     * dimension 2: intra prediction modes
+     *
+     * dst/left/top is aligned by transform-size (i.e. 4, 8, 16 or 32 pixels)
+     * stride is aligned by 16 pixels
+     * top[-1] is top/left; top[4,7] is top-right for 4x4
+     */
+    // FIXME(rbultje) maybe replace left/top pointers with HAVE_TOP/
+    // HAVE_LEFT/HAVE_TOPRIGHT flags instead, and then handle it in-place?
+    // also needs to fit in with what H.264/VP8/etc do
+    void (*intra_pred[N_TXFM_SIZES][N_INTRA_PRED_MODES])(uint8_t *dst,
+                                                         ptrdiff_t stride,
+                                                         const uint8_t *left,
+                                                         const uint8_t *top);
+
+    /*
+     * dimension 1: 0=4x4, 1=8x8, 2=16x16, 3=32x32, 4=lossless (3-4=dct only)
+     * dimension 2: 0=dct/dct, 1=dct/adst, 2=adst/dct, 3=adst/adst
+     *
+     * dst is aligned by transform-size (i.e. 4, 8, 16 or 32 pixels)
+     * stride is aligned by 16 pixels
+     * block is 16-byte aligned
+     * eob indicates the position (+1) of the last non-zero coefficient,
+     * in scan-order. This can be used to write faster versions, e.g. a
+     * dc-only 4x4/8x8/16x16/32x32, or a 4x4-only (eob<10) 8x8/16x16/32x32,
+     * etc.
+     */
+    // FIXME also write idct_add_block() versions for whole (inter) pred
+    // blocks, so we can do 2 4x4s at once
+    void (*itxfm_add[N_TXFM_SIZES + 1][N_TXFM_TYPES])(uint8_t *dst,
+                                                      ptrdiff_t stride,
+                                                      int16_t *block, int eob);
+
+    /*
+     * dimension 1: width of filter (0=4, 1=8, 2=16)
+     * dimension 2: 0=col-edge filter (h), 1=row-edge filter (v)
+     *
+     * dst/stride are aligned by 8
+     */
+    void (*loop_filter_8[3][2])(uint8_t *dst, ptrdiff_t stride,
+                                int mb_lim, int lim, int hev_thr);
+
+    /*
+     * dimension 1: 0=col-edge filter (h), 1=row-edge filter (v)
+     *
+     * The width of filter is assumed to be 16; dst/stride are aligned by 16
+     */
+    void (*loop_filter_16[2])(uint8_t *dst, ptrdiff_t stride,
+                              int mb_lim, int lim, int hev_thr);
+
+    /*
+     * dimension 1/2: width of filter (0=4, 1=8) for each filter half
+     * dimension 3: 0=col-edge filter (h), 1=row-edge filter (v)
+     *
+     * dst/stride are aligned by operation size
+     * this basically calls loop_filter[d1][d3][0](), followed by
+     * loop_filter[d2][d3][0]() on the next 8 pixels
+     * mb_lim/lim/hev_thr contain two values in the lowest two bytes of the
+     * integer.
+     */
+    // FIXME perhaps a mix4 that operates on 32px (for AVX2)
+    void (*loop_filter_mix2[2][2][2])(uint8_t *dst, ptrdiff_t stride,
+                                      int mb_lim, int lim, int hev_thr);
+
+    /*
+     * dimension 1: hsize (0: 64, 1: 32, 2: 16, 3: 8, 4: 4)
+     * dimension 2: filter type (0: smooth, 1: regular, 2: sharp, 3: bilin)
+     * dimension 3: averaging type (0: put, 1: avg)
+     * dimension 4: x subpel interpolation (0: none, 1: 8tap/bilin)
+     * dimension 5: y subpel interpolation (0: none, 1: 8tap/bilin)
+     *
+     * dst/stride are aligned by hsize
+     */
+    vp9_mc_func mc[5][4][2][2][2];
+
+    /*
+     * for scalable MC, first 3 dimensions identical to above, the other two
+     * don't exist since it changes per stepsize.
+     */
+    vp9_scaled_mc_func smc[5][4][2];
+} VP9DSPContext;
+
+
 struct VP9mvrefPair {
     VP56mv mv[2];
     int8_t ref[2];
 };
 
+struct VP9Filter {
+    uint8_t level[8 * 8];
+    uint8_t /* bit=col */ mask[2 /* 0=y, 1=uv */][2 /* 0=col, 1=row */]
+                              [8 /* rows */][4 /* 0=16, 1=8, 2=4, 3=inner4 */];
+};
+
 typedef struct VP9Frame {
     ThreadFrame tf;
     AVBufferRef *extradata;
@@ -209,4 +346,147 @@ typedef struct VP9SharedContext {
     VP9Frame frames[3];
 } VP9SharedContext;
 
+typedef struct VP9Block {
+    uint8_t seg_id, intra, comp, ref[2], mode[4], uvmode, skip;
+    enum FilterMode filter;
+    VP56mv mv[4 /* b_idx */][2 /* ref */];
+    enum BlockSize bs;
+    enum TxfmMode tx, uvtx;
+    enum BlockLevel bl;
+    enum BlockPartition bp;
+} VP9Block;
+
+typedef struct VP9Context {
+    VP9SharedContext s;
+
+    VP9DSPContext dsp;
+    VideoDSPContext vdsp;
+    GetBitContext gb;
+    VP56RangeCoder c;
+    VP56RangeCoder *c_b;
+    unsigned c_b_size;
+    VP9Block *b_base, *b;
+    int pass;
+    int row, row7, col, col7;
+    uint8_t *dst[3];
+    ptrdiff_t y_stride, uv_stride;
+
+    uint8_t ss_h, ss_v;
+    uint8_t last_bpp, bpp_index, bytesperpixel;
+    uint8_t last_keyframe;
+    // sb_cols/rows, rows/cols and last_fmt are used for allocating all internal
+    // arrays, and are thus per-thread. w/h and gf_fmt are synced between threads
+    // and are therefore per-stream. pix_fmt represents the value in the header
+    // of the currently processed frame.
+    int w, h;
+    enum AVPixelFormat pix_fmt, last_fmt, gf_fmt;
+    unsigned sb_cols, sb_rows, rows, cols;
+    ThreadFrame next_refs[8];
+
+    struct {
+        uint8_t lim_lut[64];
+        uint8_t mblim_lut[64];
+    } filter_lut;
+    unsigned tile_row_start, tile_row_end, tile_col_start, tile_col_end;
+    struct {
+        ProbContext p;
+        uint8_t coef[4][2][2][6][6][3];
+    } prob_ctx[4];
+    struct {
+        ProbContext p;
+        uint8_t coef[4][2][2][6][6][11];
+    } prob;
+    struct {
+        unsigned y_mode[4][10];
+        unsigned uv_mode[10][10];
+        unsigned filter[4][3];
+        unsigned mv_mode[7][4];
+        unsigned intra[4][2];
+        unsigned comp[5][2];
+        unsigned single_ref[5][2][2];
+        unsigned comp_ref[5][2];
+        unsigned tx32p[2][4];
+        unsigned tx16p[2][3];
+        unsigned tx8p[2][2];
+        unsigned skip[3][2];
+        unsigned mv_joint[4];
+        struct {
+            unsigned sign[2];
+            unsigned classes[11];
+            unsigned class0[2];
+            unsigned bits[10][2];
+            unsigned class0_fp[2][4];
+            unsigned fp[4];
+            unsigned class0_hp[2];
+            unsigned hp[2];
+        } mv_comp[2];
+        unsigned partition[4][4][4];
+        unsigned coef[4][2][2][6][6][3];
+        unsigned eob[4][2][2][6][6][2];
+    } counts;
+
+    // contextual (left/above) cache
+    DECLARE_ALIGNED(16, uint8_t, left_y_nnz_ctx)[16];
+    DECLARE_ALIGNED(16, uint8_t, left_mode_ctx)[16];
+    DECLARE_ALIGNED(16, VP56mv, left_mv_ctx)[16][2];
+    DECLARE_ALIGNED(16, uint8_t, left_uv_nnz_ctx)[2][16];
+    DECLARE_ALIGNED(8, uint8_t, left_partition_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_skip_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_txfm_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_segpred_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_intra_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_comp_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_ref_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_filter_ctx)[8];
+    uint8_t *above_partition_ctx;
+    uint8_t *above_mode_ctx;
+    // FIXME maybe merge some of the below in a flags field?
+    uint8_t *above_y_nnz_ctx;
+    uint8_t *above_uv_nnz_ctx[2];
+    uint8_t *above_skip_ctx; // 1bit
+    uint8_t *above_txfm_ctx; // 2bit
+    uint8_t *above_segpred_ctx; // 1bit
+    uint8_t *above_intra_ctx; // 1bit
+    uint8_t *above_comp_ctx; // 1bit
+    uint8_t *above_ref_ctx; // 2bit
+    uint8_t *above_filter_ctx;
+    VP56mv (*above_mv_ctx)[2];
+
+    // whole-frame cache
+    uint8_t *intra_pred_data[3];
+    struct VP9Filter *lflvl;
+    DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer)[135 * 144 * 2];
+
+    // block reconstruction intermediates
+    int block_alloc_using_2pass;
+    int16_t *block_base, *block, *uvblock_base[2], *uvblock[2];
+    uint8_t *eob_base, *uveob_base[2], *eob, *uveob[2];
+    struct { int x, y; } min_mv, max_mv;
+    DECLARE_ALIGNED(32, uint8_t, tmp_y)[64 * 64 * 2];
+    DECLARE_ALIGNED(32, uint8_t, tmp_uv)[2][64 * 64 * 2];
+    uint16_t mvscale[3][2];
+    uint8_t mvstep[3][2];
+} VP9Context;
+
+extern const int16_t ff_vp9_subpel_filters[3][16][8];
+
+void ff_vp9dsp_init(VP9DSPContext *dsp, int bpp, int bitexact);
+
+void ff_vp9dsp_init_8(VP9DSPContext *dsp);
+void ff_vp9dsp_init_10(VP9DSPContext *dsp);
+void ff_vp9dsp_init_12(VP9DSPContext *dsp);
+
+void ff_vp9dsp_init_aarch64(VP9DSPContext *dsp, int bpp);
+void ff_vp9dsp_init_arm(VP9DSPContext *dsp, int bpp);
+void ff_vp9dsp_init_x86(VP9DSPContext *dsp, int bpp, int bitexact);
+void ff_vp9dsp_init_mips(VP9DSPContext *dsp, int bpp);
+
+void ff_vp9_fill_mv(VP9Context *s, VP56mv *mv, int mode, int sb);
+
+void ff_vp9_adapt_probs(VP9Context *s);
+
+void ff_vp9_decode_block(AVCodecContext *ctx, int row, int col,
+                         struct VP9Filter *lflvl, ptrdiff_t yoff, ptrdiff_t uvoff,
+                         enum BlockLevel bl, enum BlockPartition bp);
+
 #endif /* AVCODEC_VP9_H */
diff --git a/libavcodec/vp9block.c b/libavcodec/vp9block.c
new file mode 100644
index 0000000..dd135aa
--- /dev/null
+++ b/libavcodec/vp9block.c
@@ -0,0 +1,2059 @@
+/*
+ * VP9 compatible video decoder
+ *
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/avassert.h"
+
+#include "avcodec.h"
+#include "internal.h"
+#include "videodsp.h"
+#include "vp56.h"
+#include "vp9.h"
+#include "vp9data.h"
+
+static const uint8_t bwh_tab[2][N_BS_SIZES][2] = {
+    {
+        { 16, 16 }, { 16, 8 }, { 8, 16 }, { 8, 8 }, { 8, 4 }, { 4, 8 },
+        { 4, 4 }, { 4, 2 }, { 2, 4 }, { 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 },
+    }, {
+        { 8, 8 }, { 8, 4 }, { 4, 8 }, { 4, 4 }, { 4, 2 }, { 2, 4 },
+        { 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 }, { 1, 1 }, { 1, 1 }, { 1, 1 },
+    }
+};
+
+static av_always_inline void setctx_2d(uint8_t *ptr, int w, int h,
+                                       ptrdiff_t stride, int v)
+{
+    switch (w) {
+    case 1:
+        do {
+            *ptr = v;
+            ptr += stride;
+        } while (--h);
+        break;
+    case 2: {
+        int v16 = v * 0x0101;
+        do {
+            AV_WN16A(ptr, v16);
+            ptr += stride;
+        } while (--h);
+        break;
+    }
+    case 4: {
+        uint32_t v32 = v * 0x01010101;
+        do {
+            AV_WN32A(ptr, v32);
+            ptr += stride;
+        } while (--h);
+        break;
+    }
+    case 8: {
+#if HAVE_FAST_64BIT
+        uint64_t v64 = v * 0x0101010101010101ULL;
+        do {
+            AV_WN64A(ptr, v64);
+            ptr += stride;
+        } while (--h);
+#else
+        uint32_t v32 = v * 0x01010101;
+        do {
+            AV_WN32A(ptr,     v32);
+            AV_WN32A(ptr + 4, v32);
+            ptr += stride;
+        } while (--h);
+#endif
+        break;
+    }
+    }
+}
+
+static void decode_mode(AVCodecContext *ctx)
+{
+    static const uint8_t left_ctx[N_BS_SIZES] = {
+        0x0, 0x8, 0x0, 0x8, 0xc, 0x8, 0xc, 0xe, 0xc, 0xe, 0xf, 0xe, 0xf
+    };
+    static const uint8_t above_ctx[N_BS_SIZES] = {
+        0x0, 0x0, 0x8, 0x8, 0x8, 0xc, 0xc, 0xc, 0xe, 0xe, 0xe, 0xf, 0xf
+    };
+    static const uint8_t max_tx_for_bl_bp[N_BS_SIZES] = {
+        TX_32X32, TX_32X32, TX_32X32, TX_32X32, TX_16X16, TX_16X16,
+        TX_16X16, TX_8X8, TX_8X8, TX_8X8, TX_4X4, TX_4X4, TX_4X4
+    };
+    VP9Context *s = ctx->priv_data;
+    VP9Block *b = s->b;
+    int row = s->row, col = s->col, row7 = s->row7;
+    enum TxfmMode max_tx = max_tx_for_bl_bp[b->bs];
+    int bw4 = bwh_tab[1][b->bs][0], w4 = FFMIN(s->cols - col, bw4);
+    int bh4 = bwh_tab[1][b->bs][1], h4 = FFMIN(s->rows - row, bh4), y;
+    int have_a = row > 0, have_l = col > s->tile_col_start;
+    int vref, filter_id;
+
+    if (!s->s.h.segmentation.enabled) {
+        b->seg_id = 0;
+    } else if (s->s.h.keyframe || s->s.h.intraonly) {
+        b->seg_id = !s->s.h.segmentation.update_map ? 0 :
+                    vp8_rac_get_tree(&s->c, ff_vp9_segmentation_tree, s->s.h.segmentation.prob);
+    } else if (!s->s.h.segmentation.update_map ||
+               (s->s.h.segmentation.temporal &&
+                vp56_rac_get_prob_branchy(&s->c,
+                    s->s.h.segmentation.pred_prob[s->above_segpred_ctx[col] +
+                                    s->left_segpred_ctx[row7]]))) {
+        if (!s->s.h.errorres && s->s.frames[REF_FRAME_SEGMAP].segmentation_map) {
+            int pred = 8, x;
+            uint8_t *refsegmap = s->s.frames[REF_FRAME_SEGMAP].segmentation_map;
+
+            if (!s->s.frames[REF_FRAME_SEGMAP].uses_2pass)
+                ff_thread_await_progress(&s->s.frames[REF_FRAME_SEGMAP].tf, row >> 3, 0);
+            for (y = 0; y < h4; y++) {
+                int idx_base = (y + row) * 8 * s->sb_cols + col;
+                for (x = 0; x < w4; x++)
+                    pred = FFMIN(pred, refsegmap[idx_base + x]);
+            }
+            av_assert1(pred < 8);
+            b->seg_id = pred;
+        } else {
+            b->seg_id = 0;
+        }
+
+        memset(&s->above_segpred_ctx[col], 1, w4);
+        memset(&s->left_segpred_ctx[row7], 1, h4);
+    } else {
+        b->seg_id = vp8_rac_get_tree(&s->c, ff_vp9_segmentation_tree,
+                                     s->s.h.segmentation.prob);
+
+        memset(&s->above_segpred_ctx[col], 0, w4);
+        memset(&s->left_segpred_ctx[row7], 0, h4);
+    }
+    if (s->s.h.segmentation.enabled &&
+        (s->s.h.segmentation.update_map || s->s.h.keyframe || s->s.h.intraonly)) {
+        setctx_2d(&s->s.frames[CUR_FRAME].segmentation_map[row * 8 * s->sb_cols + col],
+                  bw4, bh4, 8 * s->sb_cols, b->seg_id);
+    }
+
+    b->skip = s->s.h.segmentation.enabled &&
+        s->s.h.segmentation.feat[b->seg_id].skip_enabled;
+    if (!b->skip) {
+        int c = s->left_skip_ctx[row7] + s->above_skip_ctx[col];
+        b->skip = vp56_rac_get_prob(&s->c, s->prob.p.skip[c]);
+        s->counts.skip[c][b->skip]++;
+    }
+
+    if (s->s.h.keyframe || s->s.h.intraonly) {
+        b->intra = 1;
+    } else if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[b->seg_id].ref_enabled) {
+        b->intra = !s->s.h.segmentation.feat[b->seg_id].ref_val;
+    } else {
+        int c, bit;
+
+        if (have_a && have_l) {
+            c = s->above_intra_ctx[col] + s->left_intra_ctx[row7];
+            c += (c == 2);
+        } else {
+            c = have_a ? 2 * s->above_intra_ctx[col] :
+                have_l ? 2 * s->left_intra_ctx[row7] : 0;
+        }
+        bit = vp56_rac_get_prob(&s->c, s->prob.p.intra[c]);
+        s->counts.intra[c][bit]++;
+        b->intra = !bit;
+    }
+
+    if ((b->intra || !b->skip) && s->s.h.txfmmode == TX_SWITCHABLE) {
+        int c;
+        if (have_a) {
+            if (have_l) {
+                c = (s->above_skip_ctx[col] ? max_tx :
+                     s->above_txfm_ctx[col]) +
+                    (s->left_skip_ctx[row7] ? max_tx :
+                     s->left_txfm_ctx[row7]) > max_tx;
+            } else {
+                c = s->above_skip_ctx[col] ? 1 :
+                    (s->above_txfm_ctx[col] * 2 > max_tx);
+            }
+        } else if (have_l) {
+            c = s->left_skip_ctx[row7] ? 1 :
+                (s->left_txfm_ctx[row7] * 2 > max_tx);
+        } else {
+            c = 1;
+        }
+        switch (max_tx) {
+        case TX_32X32:
+            b->tx = vp56_rac_get_prob(&s->c, s->prob.p.tx32p[c][0]);
+            if (b->tx) {
+                b->tx += vp56_rac_get_prob(&s->c, s->prob.p.tx32p[c][1]);
+                if (b->tx == 2)
+                    b->tx += vp56_rac_get_prob(&s->c, s->prob.p.tx32p[c][2]);
+            }
+            s->counts.tx32p[c][b->tx]++;
+            break;
+        case TX_16X16:
+            b->tx = vp56_rac_get_prob(&s->c, s->prob.p.tx16p[c][0]);
+            if (b->tx)
+                b->tx += vp56_rac_get_prob(&s->c, s->prob.p.tx16p[c][1]);
+            s->counts.tx16p[c][b->tx]++;
+            break;
+        case TX_8X8:
+            b->tx = vp56_rac_get_prob(&s->c, s->prob.p.tx8p[c]);
+            s->counts.tx8p[c][b->tx]++;
+            break;
+        case TX_4X4:
+            b->tx = TX_4X4;
+            break;
+        }
+    } else {
+        b->tx = FFMIN(max_tx, s->s.h.txfmmode);
+    }
+
+    if (s->s.h.keyframe || s->s.h.intraonly) {
+        uint8_t *a = &s->above_mode_ctx[col * 2];
+        uint8_t *l = &s->left_mode_ctx[(row7) << 1];
+
+        b->comp = 0;
+        if (b->bs > BS_8x8) {
+            // FIXME the memory storage intermediates here aren't really
+            // necessary, they're just there to make the code slightly
+            // simpler for now
+            b->mode[0] = a[0] = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
+                                    ff_vp9_default_kf_ymode_probs[a[0]][l[0]]);
+            if (b->bs != BS_8x4) {
+                b->mode[1] = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
+                                 ff_vp9_default_kf_ymode_probs[a[1]][b->mode[0]]);
+                l[0] = a[1] = b->mode[1];
+            } else {
+                l[0] = a[1] = b->mode[1] = b->mode[0];
+            }
+            if (b->bs != BS_4x8) {
+                b->mode[2] = a[0] = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
+                                        ff_vp9_default_kf_ymode_probs[a[0]][l[1]]);
+                if (b->bs != BS_8x4) {
+                    b->mode[3] = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
+                                  ff_vp9_default_kf_ymode_probs[a[1]][b->mode[2]]);
+                    l[1] = a[1] = b->mode[3];
+                } else {
+                    l[1] = a[1] = b->mode[3] = b->mode[2];
+                }
+            } else {
+                b->mode[2] = b->mode[0];
+                l[1] = a[1] = b->mode[3] = b->mode[1];
+            }
+        } else {
+            b->mode[0] = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
+                                          ff_vp9_default_kf_ymode_probs[*a][*l]);
+            b->mode[3] = b->mode[2] = b->mode[1] = b->mode[0];
+            // FIXME this can probably be optimized
+            memset(a, b->mode[0], bwh_tab[0][b->bs][0]);
+            memset(l, b->mode[0], bwh_tab[0][b->bs][1]);
+        }
+        b->uvmode = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
+                                     ff_vp9_default_kf_uvmode_probs[b->mode[3]]);
+    } else if (b->intra) {
+        b->comp = 0;
+        if (b->bs > BS_8x8) {
+            b->mode[0] = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
+                                          s->prob.p.y_mode[0]);
+            s->counts.y_mode[0][b->mode[0]]++;
+            if (b->bs != BS_8x4) {
+                b->mode[1] = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
+                                              s->prob.p.y_mode[0]);
+                s->counts.y_mode[0][b->mode[1]]++;
+            } else {
+                b->mode[1] = b->mode[0];
+            }
+            if (b->bs != BS_4x8) {
+                b->mode[2] = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
+                                              s->prob.p.y_mode[0]);
+                s->counts.y_mode[0][b->mode[2]]++;
+                if (b->bs != BS_8x4) {
+                    b->mode[3] = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
+                                                  s->prob.p.y_mode[0]);
+                    s->counts.y_mode[0][b->mode[3]]++;
+                } else {
+                    b->mode[3] = b->mode[2];
+                }
+            } else {
+                b->mode[2] = b->mode[0];
+                b->mode[3] = b->mode[1];
+            }
+        } else {
+            static const uint8_t size_group[10] = {
+                3, 3, 3, 3, 2, 2, 2, 1, 1, 1
+            };
+            int sz = size_group[b->bs];
+
+            b->mode[0] = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
+                                          s->prob.p.y_mode[sz]);
+            b->mode[1] = b->mode[2] = b->mode[3] = b->mode[0];
+            s->counts.y_mode[sz][b->mode[3]]++;
+        }
+        b->uvmode = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
+                                     s->prob.p.uv_mode[b->mode[3]]);
+        s->counts.uv_mode[b->mode[3]][b->uvmode]++;
+    } else {
+        static const uint8_t inter_mode_ctx_lut[14][14] = {
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 3 },
+            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 3 },
+            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 0, 3 },
+            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 4 },
+        };
+
+        if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[b->seg_id].ref_enabled) {
+            av_assert2(s->s.h.segmentation.feat[b->seg_id].ref_val != 0);
+            b->comp = 0;
+            b->ref[0] = s->s.h.segmentation.feat[b->seg_id].ref_val - 1;
+        } else {
+            // read comp_pred flag
+            if (s->s.h.comppredmode != PRED_SWITCHABLE) {
+                b->comp = s->s.h.comppredmode == PRED_COMPREF;
+            } else {
+                int c;
+
+                // FIXME add intra as ref=0xff (or -1) to make these easier?
+                if (have_a) {
+                    if (have_l) {
+                        if (s->above_comp_ctx[col] && s->left_comp_ctx[row7]) {
+                            c = 4;
+                        } else if (s->above_comp_ctx[col]) {
+                            c = 2 + (s->left_intra_ctx[row7] ||
+                                     s->left_ref_ctx[row7] == s->s.h.fixcompref);
+                        } else if (s->left_comp_ctx[row7]) {
+                            c = 2 + (s->above_intra_ctx[col] ||
+                                     s->above_ref_ctx[col] == s->s.h.fixcompref);
+                        } else {
+                            c = (!s->above_intra_ctx[col] &&
+                                 s->above_ref_ctx[col] == s->s.h.fixcompref) ^
+                            (!s->left_intra_ctx[row7] &&
+                             s->left_ref_ctx[row & 7] == s->s.h.fixcompref);
+                        }
+                    } else {
+                        c = s->above_comp_ctx[col] ? 3 :
+                        (!s->above_intra_ctx[col] && s->above_ref_ctx[col] == s->s.h.fixcompref);
+                    }
+                } else if (have_l) {
+                    c = s->left_comp_ctx[row7] ? 3 :
+                    (!s->left_intra_ctx[row7] && s->left_ref_ctx[row7] == s->s.h.fixcompref);
+                } else {
+                    c = 1;
+                }
+                b->comp = vp56_rac_get_prob(&s->c, s->prob.p.comp[c]);
+                s->counts.comp[c][b->comp]++;
+            }
+
+            // read actual references
+            // FIXME probably cache a few variables here to prevent repetitive
+            // memory accesses below
+            if (b->comp) /* two references */ {
+                int fix_idx = s->s.h.signbias[s->s.h.fixcompref], var_idx = !fix_idx, c, bit;
+
+                b->ref[fix_idx] = s->s.h.fixcompref;
+                // FIXME can this codeblob be replaced by some sort of LUT?
+                if (have_a) {
+                    if (have_l) {
+                        if (s->above_intra_ctx[col]) {
+                            if (s->left_intra_ctx[row7]) {
+                                c = 2;
+                            } else {
+                                c = 1 + 2 * (s->left_ref_ctx[row7] != s->s.h.varcompref[1]);
+                            }
+                        } else if (s->left_intra_ctx[row7]) {
+                            c = 1 + 2 * (s->above_ref_ctx[col] != s->s.h.varcompref[1]);
+                        } else {
+                            int refl = s->left_ref_ctx[row7], refa = s->above_ref_ctx[col];
+
+                            if (refl == refa && refa == s->s.h.varcompref[1]) {
+                                c = 0;
+                            } else if (!s->left_comp_ctx[row7] && !s->above_comp_ctx[col]) {
+                                if ((refa == s->s.h.fixcompref && refl == s->s.h.varcompref[0]) ||
+                                    (refl == s->s.h.fixcompref && refa == s->s.h.varcompref[0])) {
+                                    c = 4;
+                                } else {
+                                    c = (refa == refl) ? 3 : 1;
+                                }
+                            } else if (!s->left_comp_ctx[row7]) {
+                                if (refa == s->s.h.varcompref[1] && refl != s->s.h.varcompref[1]) {
+                                    c = 1;
+                                } else {
+                                    c = (refl == s->s.h.varcompref[1] &&
+                                         refa != s->s.h.varcompref[1]) ? 2 : 4;
+                                }
+                            } else if (!s->above_comp_ctx[col]) {
+                                if (refl == s->s.h.varcompref[1] && refa != s->s.h.varcompref[1]) {
+                                    c = 1;
+                                } else {
+                                    c = (refa == s->s.h.varcompref[1] &&
+                                         refl != s->s.h.varcompref[1]) ? 2 : 4;
+                                }
+                            } else {
+                                c = (refl == refa) ? 4 : 2;
+                            }
+                        }
+                    } else {
+                        if (s->above_intra_ctx[col]) {
+                            c = 2;
+                        } else if (s->above_comp_ctx[col]) {
+                            c = 4 * (s->above_ref_ctx[col] != s->s.h.varcompref[1]);
+                        } else {
+                            c = 3 * (s->above_ref_ctx[col] != s->s.h.varcompref[1]);
+                        }
+                    }
+                } else if (have_l) {
+                    if (s->left_intra_ctx[row7]) {
+                        c = 2;
+                    } else if (s->left_comp_ctx[row7]) {
+                        c = 4 * (s->left_ref_ctx[row7] != s->s.h.varcompref[1]);
+                    } else {
+                        c = 3 * (s->left_ref_ctx[row7] != s->s.h.varcompref[1]);
+                    }
+                } else {
+                    c = 2;
+                }
+                bit = vp56_rac_get_prob(&s->c, s->prob.p.comp_ref[c]);
+                b->ref[var_idx] = s->s.h.varcompref[bit];
+                s->counts.comp_ref[c][bit]++;
+            } else /* single reference */ {
+                int bit, c;
+
+                if (have_a && !s->above_intra_ctx[col]) {
+                    if (have_l && !s->left_intra_ctx[row7]) {
+                        if (s->left_comp_ctx[row7]) {
+                            if (s->above_comp_ctx[col]) {
+                                c = 1 + (!s->s.h.fixcompref || !s->left_ref_ctx[row7] ||
+                                         !s->above_ref_ctx[col]);
+                            } else {
+                                c = (3 * !s->above_ref_ctx[col]) +
+                                    (!s->s.h.fixcompref || !s->left_ref_ctx[row7]);
+                            }
+                        } else if (s->above_comp_ctx[col]) {
+                            c = (3 * !s->left_ref_ctx[row7]) +
+                                (!s->s.h.fixcompref || !s->above_ref_ctx[col]);
+                        } else {
+                            c = 2 * !s->left_ref_ctx[row7] + 2 * !s->above_ref_ctx[col];
+                        }
+                    } else if (s->above_intra_ctx[col]) {
+                        c = 2;
+                    } else if (s->above_comp_ctx[col]) {
+                        c = 1 + (!s->s.h.fixcompref || !s->above_ref_ctx[col]);
+                    } else {
+                        c = 4 * (!s->above_ref_ctx[col]);
+                    }
+                } else if (have_l && !s->left_intra_ctx[row7]) {
+                    if (s->left_intra_ctx[row7]) {
+                        c = 2;
+                    } else if (s->left_comp_ctx[row7]) {
+                        c = 1 + (!s->s.h.fixcompref || !s->left_ref_ctx[row7]);
+                    } else {
+                        c = 4 * (!s->left_ref_ctx[row7]);
+                    }
+                } else {
+                    c = 2;
+                }
+                bit = vp56_rac_get_prob(&s->c, s->prob.p.single_ref[c][0]);
+                s->counts.single_ref[c][0][bit]++;
+                if (!bit) {
+                    b->ref[0] = 0;
+                } else {
+                    // FIXME can this codeblob be replaced by some sort of LUT?
+                    if (have_a) {
+                        if (have_l) {
+                            if (s->left_intra_ctx[row7]) {
+                                if (s->above_intra_ctx[col]) {
+                                    c = 2;
+                                } else if (s->above_comp_ctx[col]) {
+                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
+                                                 s->above_ref_ctx[col] == 1);
+                                } else if (!s->above_ref_ctx[col]) {
+                                    c = 3;
+                                } else {
+                                    c = 4 * (s->above_ref_ctx[col] == 1);
+                                }
+                            } else if (s->above_intra_ctx[col]) {
+                                if (s->left_intra_ctx[row7]) {
+                                    c = 2;
+                                } else if (s->left_comp_ctx[row7]) {
+                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
+                                                 s->left_ref_ctx[row7] == 1);
+                                } else if (!s->left_ref_ctx[row7]) {
+                                    c = 3;
+                                } else {
+                                    c = 4 * (s->left_ref_ctx[row7] == 1);
+                                }
+                            } else if (s->above_comp_ctx[col]) {
+                                if (s->left_comp_ctx[row7]) {
+                                    if (s->left_ref_ctx[row7] == s->above_ref_ctx[col]) {
+                                        c = 3 * (s->s.h.fixcompref == 1 ||
+                                                 s->left_ref_ctx[row7] == 1);
+                                    } else {
+                                        c = 2;
+                                    }
+                                } else if (!s->left_ref_ctx[row7]) {
+                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
+                                                 s->above_ref_ctx[col] == 1);
+                                } else {
+                                    c = 3 * (s->left_ref_ctx[row7] == 1) +
+                                    (s->s.h.fixcompref == 1 || s->above_ref_ctx[col] == 1);
+                                }
+                            } else if (s->left_comp_ctx[row7]) {
+                                if (!s->above_ref_ctx[col]) {
+                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
+                                                 s->left_ref_ctx[row7] == 1);
+                                } else {
+                                    c = 3 * (s->above_ref_ctx[col] == 1) +
+                                    (s->s.h.fixcompref == 1 || s->left_ref_ctx[row7] == 1);
+                                }
+                            } else if (!s->above_ref_ctx[col]) {
+                                if (!s->left_ref_ctx[row7]) {
+                                    c = 3;
+                                } else {
+                                    c = 4 * (s->left_ref_ctx[row7] == 1);
+                                }
+                            } else if (!s->left_ref_ctx[row7]) {
+                                c = 4 * (s->above_ref_ctx[col] == 1);
+                            } else {
+                                c = 2 * (s->left_ref_ctx[row7] == 1) +
+                                2 * (s->above_ref_ctx[col] == 1);
+                            }
+                        } else {
+                            if (s->above_intra_ctx[col] ||
+                                (!s->above_comp_ctx[col] && !s->above_ref_ctx[col])) {
+                                c = 2;
+                            } else if (s->above_comp_ctx[col]) {
+                                c = 3 * (s->s.h.fixcompref == 1 || s->above_ref_ctx[col] == 1);
+                            } else {
+                                c = 4 * (s->above_ref_ctx[col] == 1);
+                            }
+                        }
+                    } else if (have_l) {
+                        if (s->left_intra_ctx[row7] ||
+                            (!s->left_comp_ctx[row7] && !s->left_ref_ctx[row7])) {
+                            c = 2;
+                        } else if (s->left_comp_ctx[row7]) {
+                            c = 3 * (s->s.h.fixcompref == 1 || s->left_ref_ctx[row7] == 1);
+                        } else {
+                            c = 4 * (s->left_ref_ctx[row7] == 1);
+                        }
+                    } else {
+                        c = 2;
+                    }
+                    bit = vp56_rac_get_prob(&s->c, s->prob.p.single_ref[c][1]);
+                    s->counts.single_ref[c][1][bit]++;
+                    b->ref[0] = 1 + bit;
+                }
+            }
+        }
+
+        if (b->bs <= BS_8x8) {
+            if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[b->seg_id].skip_enabled) {
+                b->mode[0] = b->mode[1] = b->mode[2] = b->mode[3] = ZEROMV;
+            } else {
+                static const uint8_t off[10] = {
+                    3, 0, 0, 1, 0, 0, 0, 0, 0, 0
+                };
+
+                // FIXME this needs to use the LUT tables from find_ref_mvs
+                // because not all are -1,0/0,-1
+                int c = inter_mode_ctx_lut[s->above_mode_ctx[col + off[b->bs]]]
+                                          [s->left_mode_ctx[row7 + off[b->bs]]];
+
+                b->mode[0] = vp8_rac_get_tree(&s->c, ff_vp9_inter_mode_tree,
+                                              s->prob.p.mv_mode[c]);
+                b->mode[1] = b->mode[2] = b->mode[3] = b->mode[0];
+                s->counts.mv_mode[c][b->mode[0] - 10]++;
+            }
+        }
+
+        if (s->s.h.filtermode == FILTER_SWITCHABLE) {
+            int c;
+
+            if (have_a && s->above_mode_ctx[col] >= NEARESTMV) {
+                if (have_l && s->left_mode_ctx[row7] >= NEARESTMV) {
+                    c = s->above_filter_ctx[col] == s->left_filter_ctx[row7] ?
+                        s->left_filter_ctx[row7] : 3;
+                } else {
+                    c = s->above_filter_ctx[col];
+                }
+            } else if (have_l && s->left_mode_ctx[row7] >= NEARESTMV) {
+                c = s->left_filter_ctx[row7];
+            } else {
+                c = 3;
+            }
+
+            filter_id = vp8_rac_get_tree(&s->c, ff_vp9_filter_tree,
+                                         s->prob.p.filter[c]);
+            s->counts.filter[c][filter_id]++;
+            b->filter = ff_vp9_filter_lut[filter_id];
+        } else {
+            b->filter = s->s.h.filtermode;
+        }
+
+        if (b->bs > BS_8x8) {
+            int c = inter_mode_ctx_lut[s->above_mode_ctx[col]][s->left_mode_ctx[row7]];
+
+            b->mode[0] = vp8_rac_get_tree(&s->c, ff_vp9_inter_mode_tree,
+                                          s->prob.p.mv_mode[c]);
+            s->counts.mv_mode[c][b->mode[0] - 10]++;
+            ff_vp9_fill_mv(s, b->mv[0], b->mode[0], 0);
+
+            if (b->bs != BS_8x4) {
+                b->mode[1] = vp8_rac_get_tree(&s->c, ff_vp9_inter_mode_tree,
+                                              s->prob.p.mv_mode[c]);
+                s->counts.mv_mode[c][b->mode[1] - 10]++;
+                ff_vp9_fill_mv(s, b->mv[1], b->mode[1], 1);
+            } else {
+                b->mode[1] = b->mode[0];
+                AV_COPY32(&b->mv[1][0], &b->mv[0][0]);
+                AV_COPY32(&b->mv[1][1], &b->mv[0][1]);
+            }
+
+            if (b->bs != BS_4x8) {
+                b->mode[2] = vp8_rac_get_tree(&s->c, ff_vp9_inter_mode_tree,
+                                              s->prob.p.mv_mode[c]);
+                s->counts.mv_mode[c][b->mode[2] - 10]++;
+                ff_vp9_fill_mv(s, b->mv[2], b->mode[2], 2);
+
+                if (b->bs != BS_8x4) {
+                    b->mode[3] = vp8_rac_get_tree(&s->c, ff_vp9_inter_mode_tree,
+                                                  s->prob.p.mv_mode[c]);
+                    s->counts.mv_mode[c][b->mode[3] - 10]++;
+                    ff_vp9_fill_mv(s, b->mv[3], b->mode[3], 3);
+                } else {
+                    b->mode[3] = b->mode[2];
+                    AV_COPY32(&b->mv[3][0], &b->mv[2][0]);
+                    AV_COPY32(&b->mv[3][1], &b->mv[2][1]);
+                }
+            } else {
+                b->mode[2] = b->mode[0];
+                AV_COPY32(&b->mv[2][0], &b->mv[0][0]);
+                AV_COPY32(&b->mv[2][1], &b->mv[0][1]);
+                b->mode[3] = b->mode[1];
+                AV_COPY32(&b->mv[3][0], &b->mv[1][0]);
+                AV_COPY32(&b->mv[3][1], &b->mv[1][1]);
+            }
+        } else {
+            ff_vp9_fill_mv(s, b->mv[0], b->mode[0], -1);
+            AV_COPY32(&b->mv[1][0], &b->mv[0][0]);
+            AV_COPY32(&b->mv[2][0], &b->mv[0][0]);
+            AV_COPY32(&b->mv[3][0], &b->mv[0][0]);
+            AV_COPY32(&b->mv[1][1], &b->mv[0][1]);
+            AV_COPY32(&b->mv[2][1], &b->mv[0][1]);
+            AV_COPY32(&b->mv[3][1], &b->mv[0][1]);
+        }
+
+        vref = b->ref[b->comp ? s->s.h.signbias[s->s.h.varcompref[0]] : 0];
+    }
+
+#if HAVE_FAST_64BIT
+#define SPLAT_CTX(var, val, n) \
+    switch (n) { \
+    case 1:  var = val;                                    break; \
+    case 2:  AV_WN16A(&var, val *             0x0101);     break; \
+    case 4:  AV_WN32A(&var, val *         0x01010101);     break; \
+    case 8:  AV_WN64A(&var, val * 0x0101010101010101ULL);  break; \
+    case 16: { \
+        uint64_t v64 = val * 0x0101010101010101ULL; \
+        AV_WN64A(              &var,     v64); \
+        AV_WN64A(&((uint8_t *) &var)[8], v64); \
+        break; \
+    } \
+    }
+#else
+#define SPLAT_CTX(var, val, n) \
+    switch (n) { \
+    case 1:  var = val;                         break; \
+    case 2:  AV_WN16A(&var, val *     0x0101);  break; \
+    case 4:  AV_WN32A(&var, val * 0x01010101);  break; \
+    case 8: { \
+        uint32_t v32 = val * 0x01010101; \
+        AV_WN32A(              &var,     v32); \
+        AV_WN32A(&((uint8_t *) &var)[4], v32); \
+        break; \
+    } \
+    case 16: { \
+        uint32_t v32 = val * 0x01010101; \
+        AV_WN32A(              &var,      v32); \
+        AV_WN32A(&((uint8_t *) &var)[4],  v32); \
+        AV_WN32A(&((uint8_t *) &var)[8],  v32); \
+        AV_WN32A(&((uint8_t *) &var)[12], v32); \
+        break; \
+    } \
+    }
+#endif
+
+    switch (bwh_tab[1][b->bs][0]) {
+#define SET_CTXS(dir, off, n) \
+    do { \
+        SPLAT_CTX(s->dir##_skip_ctx[off],      b->skip,          n); \
+        SPLAT_CTX(s->dir##_txfm_ctx[off],      b->tx,            n); \
+        SPLAT_CTX(s->dir##_partition_ctx[off], dir##_ctx[b->bs], n); \
+        if (!s->s.h.keyframe && !s->s.h.intraonly) { \
+            SPLAT_CTX(s->dir##_intra_ctx[off], b->intra,   n); \
+            SPLAT_CTX(s->dir##_comp_ctx[off],  b->comp,    n); \
+            SPLAT_CTX(s->dir##_mode_ctx[off],  b->mode[3], n); \
+            if (!b->intra) { \
+                SPLAT_CTX(s->dir##_ref_ctx[off], vref, n); \
+                if (s->s.h.filtermode == FILTER_SWITCHABLE) { \
+                    SPLAT_CTX(s->dir##_filter_ctx[off], filter_id, n); \
+                } \
+            } \
+        } \
+    } while (0)
+    case 1: SET_CTXS(above, col, 1); break;
+    case 2: SET_CTXS(above, col, 2); break;
+    case 4: SET_CTXS(above, col, 4); break;
+    case 8: SET_CTXS(above, col, 8); break;
+    }
+    switch (bwh_tab[1][b->bs][1]) {
+    case 1: SET_CTXS(left, row7, 1); break;
+    case 2: SET_CTXS(left, row7, 2); break;
+    case 4: SET_CTXS(left, row7, 4); break;
+    case 8: SET_CTXS(left, row7, 8); break;
+    }
+#undef SPLAT_CTX
+#undef SET_CTXS
+
+    if (!s->s.h.keyframe && !s->s.h.intraonly) {
+        if (b->bs > BS_8x8) {
+            int mv0 = AV_RN32A(&b->mv[3][0]), mv1 = AV_RN32A(&b->mv[3][1]);
+
+            AV_COPY32(&s->left_mv_ctx[row7 * 2 + 0][0], &b->mv[1][0]);
+            AV_COPY32(&s->left_mv_ctx[row7 * 2 + 0][1], &b->mv[1][1]);
+            AV_WN32A(&s->left_mv_ctx[row7 * 2 + 1][0], mv0);
+            AV_WN32A(&s->left_mv_ctx[row7 * 2 + 1][1], mv1);
+            AV_COPY32(&s->above_mv_ctx[col * 2 + 0][0], &b->mv[2][0]);
+            AV_COPY32(&s->above_mv_ctx[col * 2 + 0][1], &b->mv[2][1]);
+            AV_WN32A(&s->above_mv_ctx[col * 2 + 1][0], mv0);
+            AV_WN32A(&s->above_mv_ctx[col * 2 + 1][1], mv1);
+        } else {
+            int n, mv0 = AV_RN32A(&b->mv[3][0]), mv1 = AV_RN32A(&b->mv[3][1]);
+
+            for (n = 0; n < w4 * 2; n++) {
+                AV_WN32A(&s->above_mv_ctx[col * 2 + n][0], mv0);
+                AV_WN32A(&s->above_mv_ctx[col * 2 + n][1], mv1);
+            }
+            for (n = 0; n < h4 * 2; n++) {
+                AV_WN32A(&s->left_mv_ctx[row7 * 2 + n][0], mv0);
+                AV_WN32A(&s->left_mv_ctx[row7 * 2 + n][1], mv1);
+            }
+        }
+    }
+
+    // FIXME kinda ugly
+    for (y = 0; y < h4; y++) {
+        int x, o = (row + y) * s->sb_cols * 8 + col;
+        struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[o];
+
+        if (b->intra) {
+            for (x = 0; x < w4; x++) {
+                mv[x].ref[0] =
+                mv[x].ref[1] = -1;
+            }
+        } else if (b->comp) {
+            for (x = 0; x < w4; x++) {
+                mv[x].ref[0] = b->ref[0];
+                mv[x].ref[1] = b->ref[1];
+                AV_COPY32(&mv[x].mv[0], &b->mv[3][0]);
+                AV_COPY32(&mv[x].mv[1], &b->mv[3][1]);
+            }
+        } else {
+            for (x = 0; x < w4; x++) {
+                mv[x].ref[0] = b->ref[0];
+                mv[x].ref[1] = -1;
+                AV_COPY32(&mv[x].mv[0], &b->mv[3][0]);
+            }
+        }
+    }
+}
+
+// FIXME merge cnt/eob arguments?
+static av_always_inline int
+decode_coeffs_b_generic(VP56RangeCoder *c, int16_t *coef, int n_coeffs,
+                        int is_tx32x32, int is8bitsperpixel, int bpp, unsigned (*cnt)[6][3],
+                        unsigned (*eob)[6][2], uint8_t (*p)[6][11],
+                        int nnz, const int16_t *scan, const int16_t (*nb)[2],
+                        const int16_t *band_counts, const int16_t *qmul)
+{
+    int i = 0, band = 0, band_left = band_counts[band];
+    uint8_t *tp = p[0][nnz];
+    uint8_t cache[1024];
+
+    do {
+        int val, rc;
+
+        val = vp56_rac_get_prob_branchy(c, tp[0]); // eob
+        eob[band][nnz][val]++;
+        if (!val)
+            break;
+
+    skip_eob:
+        if (!vp56_rac_get_prob_branchy(c, tp[1])) { // zero
+            cnt[band][nnz][0]++;
+            if (!--band_left)
+                band_left = band_counts[++band];
+            cache[scan[i]] = 0;
+            nnz = (1 + cache[nb[i][0]] + cache[nb[i][1]]) >> 1;
+            tp = p[band][nnz];
+            if (++i == n_coeffs)
+                break; //invalid input; blocks should end with EOB
+            goto skip_eob;
+        }
+
+        rc = scan[i];
+        if (!vp56_rac_get_prob_branchy(c, tp[2])) { // one
+            cnt[band][nnz][1]++;
+            val = 1;
+            cache[rc] = 1;
+        } else {
+            // fill in p[3-10] (model fill) - only once per frame for each pos
+            if (!tp[3])
+                memcpy(&tp[3], ff_vp9_model_pareto8[tp[2]], 8);
+
+            cnt[band][nnz][2]++;
+            if (!vp56_rac_get_prob_branchy(c, tp[3])) { // 2, 3, 4
+                if (!vp56_rac_get_prob_branchy(c, tp[4])) {
+                    cache[rc] = val = 2;
+                } else {
+                    val = 3 + vp56_rac_get_prob(c, tp[5]);
+                    cache[rc] = 3;
+                }
+            } else if (!vp56_rac_get_prob_branchy(c, tp[6])) { // cat1/2
+                cache[rc] = 4;
+                if (!vp56_rac_get_prob_branchy(c, tp[7])) {
+                    val = 5 + vp56_rac_get_prob(c, 159);
+                } else {
+                    val  = 7 + (vp56_rac_get_prob(c, 165) << 1);
+                    val +=      vp56_rac_get_prob(c, 145);
+                }
+            } else { // cat 3-6
+                cache[rc] = 5;
+                if (!vp56_rac_get_prob_branchy(c, tp[8])) {
+                    if (!vp56_rac_get_prob_branchy(c, tp[9])) {
+                        val  = 11 + (vp56_rac_get_prob(c, 173) << 2);
+                        val +=      (vp56_rac_get_prob(c, 148) << 1);
+                        val +=       vp56_rac_get_prob(c, 140);
+                    } else {
+                        val  = 19 + (vp56_rac_get_prob(c, 176) << 3);
+                        val +=      (vp56_rac_get_prob(c, 155) << 2);
+                        val +=      (vp56_rac_get_prob(c, 140) << 1);
+                        val +=       vp56_rac_get_prob(c, 135);
+                    }
+                } else if (!vp56_rac_get_prob_branchy(c, tp[10])) {
+                    val  = 35 + (vp56_rac_get_prob(c, 180) << 4);
+                    val +=      (vp56_rac_get_prob(c, 157) << 3);
+                    val +=      (vp56_rac_get_prob(c, 141) << 2);
+                    val +=      (vp56_rac_get_prob(c, 134) << 1);
+                    val +=       vp56_rac_get_prob(c, 130);
+                } else {
+                    val = 67;
+                    if (!is8bitsperpixel) {
+                        if (bpp == 12) {
+                            val += vp56_rac_get_prob(c, 255) << 17;
+                            val += vp56_rac_get_prob(c, 255) << 16;
+                        }
+                        val +=  (vp56_rac_get_prob(c, 255) << 15);
+                        val +=  (vp56_rac_get_prob(c, 255) << 14);
+                    }
+                    val +=      (vp56_rac_get_prob(c, 254) << 13);
+                    val +=      (vp56_rac_get_prob(c, 254) << 12);
+                    val +=      (vp56_rac_get_prob(c, 254) << 11);
+                    val +=      (vp56_rac_get_prob(c, 252) << 10);
+                    val +=      (vp56_rac_get_prob(c, 249) << 9);
+                    val +=      (vp56_rac_get_prob(c, 243) << 8);
+                    val +=      (vp56_rac_get_prob(c, 230) << 7);
+                    val +=      (vp56_rac_get_prob(c, 196) << 6);
+                    val +=      (vp56_rac_get_prob(c, 177) << 5);
+                    val +=      (vp56_rac_get_prob(c, 153) << 4);
+                    val +=      (vp56_rac_get_prob(c, 140) << 3);
+                    val +=      (vp56_rac_get_prob(c, 133) << 2);
+                    val +=      (vp56_rac_get_prob(c, 130) << 1);
+                    val +=       vp56_rac_get_prob(c, 129);
+                }
+            }
+        }
+#define STORE_COEF(c, i, v) do { \
+    if (is8bitsperpixel) { \
+        c[i] = v; \
+    } else { \
+        AV_WN32A(&c[i * 2], v); \
+    } \
+} while (0)
+        if (!--band_left)
+            band_left = band_counts[++band];
+        if (is_tx32x32)
+            STORE_COEF(coef, rc, ((vp8_rac_get(c) ? -val : val) * qmul[!!i]) / 2);
+        else
+            STORE_COEF(coef, rc, (vp8_rac_get(c) ? -val : val) * qmul[!!i]);
+        nnz = (1 + cache[nb[i][0]] + cache[nb[i][1]]) >> 1;
+        tp = p[band][nnz];
+    } while (++i < n_coeffs);
+
+    return i;
+}
+
+static int decode_coeffs_b_8bpp(VP9Context *s, int16_t *coef, int n_coeffs,
+                                unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
+                                uint8_t (*p)[6][11], int nnz, const int16_t *scan,
+                                const int16_t (*nb)[2], const int16_t *band_counts,
+                                const int16_t *qmul)
+{
+    return decode_coeffs_b_generic(&s->c, coef, n_coeffs, 0, 1, 8, cnt, eob, p,
+                                   nnz, scan, nb, band_counts, qmul);
+}
+
+static int decode_coeffs_b32_8bpp(VP9Context *s, int16_t *coef, int n_coeffs,
+                                  unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
+                                  uint8_t (*p)[6][11], int nnz, const int16_t *scan,
+                                  const int16_t (*nb)[2], const int16_t *band_counts,
+                                  const int16_t *qmul)
+{
+    return decode_coeffs_b_generic(&s->c, coef, n_coeffs, 1, 1, 8, cnt, eob, p,
+                                   nnz, scan, nb, band_counts, qmul);
+}
+
+static int decode_coeffs_b_16bpp(VP9Context *s, int16_t *coef, int n_coeffs,
+                                 unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
+                                 uint8_t (*p)[6][11], int nnz, const int16_t *scan,
+                                 const int16_t (*nb)[2], const int16_t *band_counts,
+                                 const int16_t *qmul)
+{
+    return decode_coeffs_b_generic(&s->c, coef, n_coeffs, 0, 0, s->s.h.bpp, cnt, eob, p,
+                                   nnz, scan, nb, band_counts, qmul);
+}
+
+static int decode_coeffs_b32_16bpp(VP9Context *s, int16_t *coef, int n_coeffs,
+                                   unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
+                                   uint8_t (*p)[6][11], int nnz, const int16_t *scan,
+                                   const int16_t (*nb)[2], const int16_t *band_counts,
+                                   const int16_t *qmul)
+{
+    return decode_coeffs_b_generic(&s->c, coef, n_coeffs, 1, 0, s->s.h.bpp, cnt, eob, p,
+                                   nnz, scan, nb, band_counts, qmul);
+}
+
+static av_always_inline int decode_coeffs(AVCodecContext *ctx, int is8bitsperpixel)
+{
+    VP9Context *s = ctx->priv_data;
+    VP9Block *b = s->b;
+    int row = s->row, col = s->col;
+    uint8_t (*p)[6][11] = s->prob.coef[b->tx][0 /* y */][!b->intra];
+    unsigned (*c)[6][3] = s->counts.coef[b->tx][0 /* y */][!b->intra];
+    unsigned (*e)[6][2] = s->counts.eob[b->tx][0 /* y */][!b->intra];
+    int w4 = bwh_tab[1][b->bs][0] << 1, h4 = bwh_tab[1][b->bs][1] << 1;
+    int end_x = FFMIN(2 * (s->cols - col), w4);
+    int end_y = FFMIN(2 * (s->rows - row), h4);
+    int n, pl, x, y, res;
+    int16_t (*qmul)[2] = s->s.h.segmentation.feat[b->seg_id].qmul;
+    int tx = 4 * s->s.h.lossless + b->tx;
+    const int16_t * const *yscans = ff_vp9_scans[tx];
+    const int16_t (* const *ynbs)[2] = ff_vp9_scans_nb[tx];
+    const int16_t *uvscan = ff_vp9_scans[b->uvtx][DCT_DCT];
+    const int16_t (*uvnb)[2] = ff_vp9_scans_nb[b->uvtx][DCT_DCT];
+    uint8_t *a = &s->above_y_nnz_ctx[col * 2];
+    uint8_t *l = &s->left_y_nnz_ctx[(row & 7) << 1];
+    static const int16_t band_counts[4][8] = {
+        { 1, 2, 3, 4,  3,   16 - 13 },
+        { 1, 2, 3, 4, 11,   64 - 21 },
+        { 1, 2, 3, 4, 11,  256 - 21 },
+        { 1, 2, 3, 4, 11, 1024 - 21 },
+    };
+    const int16_t *y_band_counts = band_counts[b->tx];
+    const int16_t *uv_band_counts = band_counts[b->uvtx];
+    int bytesperpixel = is8bitsperpixel ? 1 : 2;
+    int total_coeff = 0;
+
+#define MERGE(la, end, step, rd) \
+    for (n = 0; n < end; n += step) \
+        la[n] = !!rd(&la[n])
+#define MERGE_CTX(step, rd) \
+    do { \
+        MERGE(l, end_y, step, rd); \
+        MERGE(a, end_x, step, rd); \
+    } while (0)
+
+#define DECODE_Y_COEF_LOOP(step, mode_index, v) \
+    for (n = 0, y = 0; y < end_y; y += step) { \
+        for (x = 0; x < end_x; x += step, n += step * step) { \
+            enum TxfmType txtp = ff_vp9_intra_txfm_type[b->mode[mode_index]]; \
+            res = (is8bitsperpixel ? decode_coeffs_b##v##_8bpp : decode_coeffs_b##v##_16bpp) \
+                                    (s, s->block + 16 * n * bytesperpixel, 16 * step * step, \
+                                     c, e, p, a[x] + l[y], yscans[txtp], \
+                                     ynbs[txtp], y_band_counts, qmul[0]); \
+            a[x] = l[y] = !!res; \
+            total_coeff |= !!res; \
+            if (step >= 4) { \
+                AV_WN16A(&s->eob[n], res); \
+            } else { \
+                s->eob[n] = res; \
+            } \
+        } \
+    }
+
+#define SPLAT(la, end, step, cond) \
+    if (step == 2) { \
+        for (n = 1; n < end; n += step) \
+            la[n] = la[n - 1]; \
+    } else if (step == 4) { \
+        if (cond) { \
+            for (n = 0; n < end; n += step) \
+                AV_WN32A(&la[n], la[n] * 0x01010101); \
+        } else { \
+            for (n = 0; n < end; n += step) \
+                memset(&la[n + 1], la[n], FFMIN(end - n - 1, 3)); \
+        } \
+    } else /* step == 8 */ { \
+        if (cond) { \
+            if (HAVE_FAST_64BIT) { \
+                for (n = 0; n < end; n += step) \
+                    AV_WN64A(&la[n], la[n] * 0x0101010101010101ULL); \
+            } else { \
+                for (n = 0; n < end; n += step) { \
+                    uint32_t v32 = la[n] * 0x01010101; \
+                    AV_WN32A(&la[n],     v32); \
+                    AV_WN32A(&la[n + 4], v32); \
+                } \
+            } \
+        } else { \
+            for (n = 0; n < end; n += step) \
+                memset(&la[n + 1], la[n], FFMIN(end - n - 1, 7)); \
+        } \
+    }
+#define SPLAT_CTX(step) \
+    do { \
+        SPLAT(a, end_x, step, end_x == w4); \
+        SPLAT(l, end_y, step, end_y == h4); \
+    } while (0)
+
+    /* y tokens */
+    switch (b->tx) {
+    case TX_4X4:
+        DECODE_Y_COEF_LOOP(1, b->bs > BS_8x8 ? n : 0,);
+        break;
+    case TX_8X8:
+        MERGE_CTX(2, AV_RN16A);
+        DECODE_Y_COEF_LOOP(2, 0,);
+        SPLAT_CTX(2);
+        break;
+    case TX_16X16:
+        MERGE_CTX(4, AV_RN32A);
+        DECODE_Y_COEF_LOOP(4, 0,);
+        SPLAT_CTX(4);
+        break;
+    case TX_32X32:
+        MERGE_CTX(8, AV_RN64A);
+        DECODE_Y_COEF_LOOP(8, 0, 32);
+        SPLAT_CTX(8);
+        break;
+    }
+
+#define DECODE_UV_COEF_LOOP(step, v) \
+    for (n = 0, y = 0; y < end_y; y += step) { \
+        for (x = 0; x < end_x; x += step, n += step * step) { \
+            res = (is8bitsperpixel ? decode_coeffs_b##v##_8bpp : decode_coeffs_b##v##_16bpp) \
+                                    (s, s->uvblock[pl] + 16 * n * bytesperpixel, \
+                                     16 * step * step, c, e, p, a[x] + l[y], \
+                                     uvscan, uvnb, uv_band_counts, qmul[1]); \
+            a[x] = l[y] = !!res; \
+            total_coeff |= !!res; \
+            if (step >= 4) { \
+                AV_WN16A(&s->uveob[pl][n], res); \
+            } else { \
+                s->uveob[pl][n] = res; \
+            } \
+        } \
+    }
+
+    p = s->prob.coef[b->uvtx][1 /* uv */][!b->intra];
+    c = s->counts.coef[b->uvtx][1 /* uv */][!b->intra];
+    e = s->counts.eob[b->uvtx][1 /* uv */][!b->intra];
+    w4 >>= s->ss_h;
+    end_x >>= s->ss_h;
+    h4 >>= s->ss_v;
+    end_y >>= s->ss_v;
+    for (pl = 0; pl < 2; pl++) {
+        a = &s->above_uv_nnz_ctx[pl][col << !s->ss_h];
+        l = &s->left_uv_nnz_ctx[pl][(row & 7) << !s->ss_v];
+        switch (b->uvtx) {
+        case TX_4X4:
+            DECODE_UV_COEF_LOOP(1,);
+            break;
+        case TX_8X8:
+            MERGE_CTX(2, AV_RN16A);
+            DECODE_UV_COEF_LOOP(2,);
+            SPLAT_CTX(2);
+            break;
+        case TX_16X16:
+            MERGE_CTX(4, AV_RN32A);
+            DECODE_UV_COEF_LOOP(4,);
+            SPLAT_CTX(4);
+            break;
+        case TX_32X32:
+            MERGE_CTX(8, AV_RN64A);
+            DECODE_UV_COEF_LOOP(8, 32);
+            SPLAT_CTX(8);
+            break;
+        }
+    }
+
+    return total_coeff;
+}
+
+static int decode_coeffs_8bpp(AVCodecContext *ctx)
+{
+    return decode_coeffs(ctx, 1);
+}
+
+static int decode_coeffs_16bpp(AVCodecContext *ctx)
+{
+    return decode_coeffs(ctx, 0);
+}
+
+static av_always_inline int check_intra_mode(VP9Context *s, int mode, uint8_t **a,
+                                             uint8_t *dst_edge, ptrdiff_t stride_edge,
+                                             uint8_t *dst_inner, ptrdiff_t stride_inner,
+                                             uint8_t *l, int col, int x, int w,
+                                             int row, int y, enum TxfmMode tx,
+                                             int p, int ss_h, int ss_v, int bytesperpixel)
+{
+    int have_top = row > 0 || y > 0;
+    int have_left = col > s->tile_col_start || x > 0;
+    int have_right = x < w - 1;
+    int bpp = s->s.h.bpp;
+    static const uint8_t mode_conv[10][2 /* have_left */][2 /* have_top */] = {
+        [VERT_PRED]            = { { DC_127_PRED,          VERT_PRED },
+                                   { DC_127_PRED,          VERT_PRED } },
+        [HOR_PRED]             = { { DC_129_PRED,          DC_129_PRED },
+                                   { HOR_PRED,             HOR_PRED } },
+        [DC_PRED]              = { { DC_128_PRED,          TOP_DC_PRED },
+                                   { LEFT_DC_PRED,         DC_PRED } },
+        [DIAG_DOWN_LEFT_PRED]  = { { DC_127_PRED,          DIAG_DOWN_LEFT_PRED },
+                                   { DC_127_PRED,          DIAG_DOWN_LEFT_PRED } },
+        [DIAG_DOWN_RIGHT_PRED] = { { DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED },
+                                   { DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED } },
+        [VERT_RIGHT_PRED]      = { { VERT_RIGHT_PRED,      VERT_RIGHT_PRED },
+                                   { VERT_RIGHT_PRED,      VERT_RIGHT_PRED } },
+        [HOR_DOWN_PRED]        = { { HOR_DOWN_PRED,        HOR_DOWN_PRED },
+                                   { HOR_DOWN_PRED,        HOR_DOWN_PRED } },
+        [VERT_LEFT_PRED]       = { { DC_127_PRED,          VERT_LEFT_PRED },
+                                   { DC_127_PRED,          VERT_LEFT_PRED } },
+        [HOR_UP_PRED]          = { { DC_129_PRED,          DC_129_PRED },
+                                   { HOR_UP_PRED,          HOR_UP_PRED } },
+        [TM_VP8_PRED]          = { { DC_129_PRED,          VERT_PRED },
+                                   { HOR_PRED,             TM_VP8_PRED } },
+    };
+    static const struct {
+        uint8_t needs_left:1;
+        uint8_t needs_top:1;
+        uint8_t needs_topleft:1;
+        uint8_t needs_topright:1;
+        uint8_t invert_left:1;
+    } edges[N_INTRA_PRED_MODES] = {
+        [VERT_PRED]            = { .needs_top  = 1 },
+        [HOR_PRED]             = { .needs_left = 1 },
+        [DC_PRED]              = { .needs_top  = 1, .needs_left = 1 },
+        [DIAG_DOWN_LEFT_PRED]  = { .needs_top  = 1, .needs_topright = 1 },
+        [DIAG_DOWN_RIGHT_PRED] = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
+        [VERT_RIGHT_PRED]      = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
+        [HOR_DOWN_PRED]        = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
+        [VERT_LEFT_PRED]       = { .needs_top  = 1, .needs_topright = 1 },
+        [HOR_UP_PRED]          = { .needs_left = 1, .invert_left = 1 },
+        [TM_VP8_PRED]          = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
+        [LEFT_DC_PRED]         = { .needs_left = 1 },
+        [TOP_DC_PRED]          = { .needs_top  = 1 },
+        [DC_128_PRED]          = { 0 },
+        [DC_127_PRED]          = { 0 },
+        [DC_129_PRED]          = { 0 }
+    };
+
+    av_assert2(mode >= 0 && mode < 10);
+    mode = mode_conv[mode][have_left][have_top];
+    if (edges[mode].needs_top) {
+        uint8_t *top, *topleft;
+        int n_px_need = 4 << tx, n_px_have = (((s->cols - col) << !ss_h) - x) * 4;
+        int n_px_need_tr = 0;
+
+        if (tx == TX_4X4 && edges[mode].needs_topright && have_right)
+            n_px_need_tr = 4;
+
+        // if top of sb64-row, use s->intra_pred_data[] instead of
+        // dst[-stride] for intra prediction (it contains pre- instead of
+        // post-loopfilter data)
+        if (have_top) {
+            top = !(row & 7) && !y ?
+                s->intra_pred_data[p] + (col * (8 >> ss_h) + x * 4) * bytesperpixel :
+                y == 0 ? &dst_edge[-stride_edge] : &dst_inner[-stride_inner];
+            if (have_left)
+                topleft = !(row & 7) && !y ?
+                    s->intra_pred_data[p] + (col * (8 >> ss_h) + x * 4) * bytesperpixel :
+                    y == 0 || x == 0 ? &dst_edge[-stride_edge] :
+                    &dst_inner[-stride_inner];
+        }
+
+        if (have_top &&
+            (!edges[mode].needs_topleft || (have_left && top == topleft)) &&
+            (tx != TX_4X4 || !edges[mode].needs_topright || have_right) &&
+            n_px_need + n_px_need_tr <= n_px_have) {
+            *a = top;
+        } else {
+            if (have_top) {
+                if (n_px_need <= n_px_have) {
+                    memcpy(*a, top, n_px_need * bytesperpixel);
+                } else {
+#define memset_bpp(c, i1, v, i2, num) do { \
+    if (bytesperpixel == 1) { \
+        memset(&(c)[(i1)], (v)[(i2)], (num)); \
+    } else { \
+        int n, val = AV_RN16A(&(v)[(i2) * 2]); \
+        for (n = 0; n < (num); n++) { \
+            AV_WN16A(&(c)[((i1) + n) * 2], val); \
+        } \
+    } \
+} while (0)
+                    memcpy(*a, top, n_px_have * bytesperpixel);
+                    memset_bpp(*a, n_px_have, (*a), n_px_have - 1, n_px_need - n_px_have);
+                }
+            } else {
+#define memset_val(c, val, num) do { \
+    if (bytesperpixel == 1) { \
+        memset((c), (val), (num)); \
+    } else { \
+        int n; \
+        for (n = 0; n < (num); n++) { \
+            AV_WN16A(&(c)[n * 2], (val)); \
+        } \
+    } \
+} while (0)
+                memset_val(*a, (128 << (bpp - 8)) - 1, n_px_need);
+            }
+            if (edges[mode].needs_topleft) {
+                if (have_left && have_top) {
+#define assign_bpp(c, i1, v, i2) do { \
+    if (bytesperpixel == 1) { \
+        (c)[(i1)] = (v)[(i2)]; \
+    } else { \
+        AV_COPY16(&(c)[(i1) * 2], &(v)[(i2) * 2]); \
+    } \
+} while (0)
+                    assign_bpp(*a, -1, topleft, -1);
+                } else {
+#define assign_val(c, i, v) do { \
+    if (bytesperpixel == 1) { \
+        (c)[(i)] = (v); \
+    } else { \
+        AV_WN16A(&(c)[(i) * 2], (v)); \
+    } \
+} while (0)
+                    assign_val((*a), -1, (128 << (bpp - 8)) + (have_top ? +1 : -1));
+                }
+            }
+            if (tx == TX_4X4 && edges[mode].needs_topright) {
+                if (have_top && have_right &&
+                    n_px_need + n_px_need_tr <= n_px_have) {
+                    memcpy(&(*a)[4 * bytesperpixel], &top[4 * bytesperpixel], 4 * bytesperpixel);
+                } else {
+                    memset_bpp(*a, 4, *a, 3, 4);
+                }
+            }
+        }
+    }
+    if (edges[mode].needs_left) {
+        if (have_left) {
+            int n_px_need = 4 << tx, i, n_px_have = (((s->rows - row) << !ss_v) - y) * 4;
+            uint8_t *dst = x == 0 ? dst_edge : dst_inner;
+            ptrdiff_t stride = x == 0 ? stride_edge : stride_inner;
+
+            if (edges[mode].invert_left) {
+                if (n_px_need <= n_px_have) {
+                    for (i = 0; i < n_px_need; i++)
+                        assign_bpp(l, i, &dst[i * stride], -1);
+                } else {
+                    for (i = 0; i < n_px_have; i++)
+                        assign_bpp(l, i, &dst[i * stride], -1);
+                    memset_bpp(l, n_px_have, l, n_px_have - 1, n_px_need - n_px_have);
+                }
+            } else {
+                if (n_px_need <= n_px_have) {
+                    for (i = 0; i < n_px_need; i++)
+                        assign_bpp(l, n_px_need - 1 - i, &dst[i * stride], -1);
+                } else {
+                    for (i = 0; i < n_px_have; i++)
+                        assign_bpp(l, n_px_need - 1 - i, &dst[i * stride], -1);
+                    memset_bpp(l, 0, l, n_px_need - n_px_have, n_px_need - n_px_have);
+                }
+            }
+        } else {
+            memset_val(l, (128 << (bpp - 8)) + 1, 4 << tx);
+        }
+    }
+
+    return mode;
+}
+
+static av_always_inline void intra_recon(AVCodecContext *ctx, ptrdiff_t y_off,
+                                         ptrdiff_t uv_off, int bytesperpixel)
+{
+    VP9Context *s = ctx->priv_data;
+    VP9Block *b = s->b;
+    int row = s->row, col = s->col;
+    int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
+    int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);
+    int end_x = FFMIN(2 * (s->cols - col), w4);
+    int end_y = FFMIN(2 * (s->rows - row), h4);
+    int tx = 4 * s->s.h.lossless + b->tx, uvtx = b->uvtx + 4 * s->s.h.lossless;
+    int uvstep1d = 1 << b->uvtx, p;
+    uint8_t *dst = s->dst[0], *dst_r = s->s.frames[CUR_FRAME].tf.f->data[0] + y_off;
+    LOCAL_ALIGNED_32(uint8_t, a_buf, [96]);
+    LOCAL_ALIGNED_32(uint8_t, l, [64]);
+
+    for (n = 0, y = 0; y < end_y; y += step1d) {
+        uint8_t *ptr = dst, *ptr_r = dst_r;
+        for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d * bytesperpixel,
+                               ptr_r += 4 * step1d * bytesperpixel, n += step) {
+            int mode = b->mode[b->bs > BS_8x8 && b->tx == TX_4X4 ?
+                               y * 2 + x : 0];
+            uint8_t *a = &a_buf[32];
+            enum TxfmType txtp = ff_vp9_intra_txfm_type[mode];
+            int eob = b->skip ? 0 : b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n];
+
+            mode = check_intra_mode(s, mode, &a, ptr_r,
+                                    s->s.frames[CUR_FRAME].tf.f->linesize[0],
+                                    ptr, s->y_stride, l,
+                                    col, x, w4, row, y, b->tx, 0, 0, 0, bytesperpixel);
+            s->dsp.intra_pred[b->tx][mode](ptr, s->y_stride, l, a);
+            if (eob)
+                s->dsp.itxfm_add[tx][txtp](ptr, s->y_stride,
+                                           s->block + 16 * n * bytesperpixel, eob);
+        }
+        dst_r += 4 * step1d * s->s.frames[CUR_FRAME].tf.f->linesize[0];
+        dst   += 4 * step1d * s->y_stride;
+    }
+
+    // U/V
+    w4 >>= s->ss_h;
+    end_x >>= s->ss_h;
+    end_y >>= s->ss_v;
+    step = 1 << (b->uvtx * 2);
+    for (p = 0; p < 2; p++) {
+        dst   = s->dst[1 + p];
+        dst_r = s->s.frames[CUR_FRAME].tf.f->data[1 + p] + uv_off;
+        for (n = 0, y = 0; y < end_y; y += uvstep1d) {
+            uint8_t *ptr = dst, *ptr_r = dst_r;
+            for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d * bytesperpixel,
+                                   ptr_r += 4 * uvstep1d * bytesperpixel, n += step) {
+                int mode = b->uvmode;
+                uint8_t *a = &a_buf[32];
+                int eob = b->skip ? 0 : b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n]) : s->uveob[p][n];
+
+                mode = check_intra_mode(s, mode, &a, ptr_r,
+                                        s->s.frames[CUR_FRAME].tf.f->linesize[1],
+                                        ptr, s->uv_stride, l, col, x, w4, row, y,
+                                        b->uvtx, p + 1, s->ss_h, s->ss_v, bytesperpixel);
+                s->dsp.intra_pred[b->uvtx][mode](ptr, s->uv_stride, l, a);
+                if (eob)
+                    s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, s->uv_stride,
+                                                    s->uvblock[p] + 16 * n * bytesperpixel, eob);
+            }
+            dst_r += 4 * uvstep1d * s->s.frames[CUR_FRAME].tf.f->linesize[1];
+            dst   += 4 * uvstep1d * s->uv_stride;
+        }
+    }
+}
+
+static void intra_recon_8bpp(AVCodecContext *ctx, ptrdiff_t y_off, ptrdiff_t uv_off)
+{
+    intra_recon(ctx, y_off, uv_off, 1);
+}
+
+static void intra_recon_16bpp(AVCodecContext *ctx, ptrdiff_t y_off, ptrdiff_t uv_off)
+{
+    intra_recon(ctx, y_off, uv_off, 2);
+}
+
+static av_always_inline void mc_luma_unscaled(VP9Context *s, vp9_mc_func (*mc)[2],
+                                              uint8_t *dst, ptrdiff_t dst_stride,
+                                              const uint8_t *ref, ptrdiff_t ref_stride,
+                                              ThreadFrame *ref_frame,
+                                              ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
+                                              int bw, int bh, int w, int h, int bytesperpixel)
+{
+    int mx = mv->x, my = mv->y, th;
+
+    y += my >> 3;
+    x += mx >> 3;
+    ref += y * ref_stride + x * bytesperpixel;
+    mx &= 7;
+    my &= 7;
+    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
+    // we use +7 because the last 7 pixels of each sbrow can be changed in
+    // the longest loopfilter of the next sbrow
+    th = (y + bh + 4 * !!my + 7) >> 6;
+    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
+    // The arm/aarch64 _hv filters read one more row than what actually is
+    // needed, so switch to emulated edge one pixel sooner vertically
+    // (!!my * 5) than horizontally (!!mx * 4).
+    if (x < !!mx * 3 || y < !!my * 3 ||
+        x + !!mx * 4 > w - bw || y + !!my * 5 > h - bh) {
+        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
+                                 ref - !!my * 3 * ref_stride - !!mx * 3 * bytesperpixel,
+                                 160, ref_stride,
+                                 bw + !!mx * 7, bh + !!my * 7,
+                                 x - !!mx * 3, y - !!my * 3, w, h);
+        ref = s->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
+        ref_stride = 160;
+    }
+    mc[!!mx][!!my](dst, dst_stride, ref, ref_stride, bh, mx << 1, my << 1);
+}
+
+static av_always_inline void mc_chroma_unscaled(VP9Context *s, vp9_mc_func (*mc)[2],
+                                                uint8_t *dst_u, uint8_t *dst_v,
+                                                ptrdiff_t dst_stride,
+                                                const uint8_t *ref_u, ptrdiff_t src_stride_u,
+                                                const uint8_t *ref_v, ptrdiff_t src_stride_v,
+                                                ThreadFrame *ref_frame,
+                                                ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
+                                                int bw, int bh, int w, int h, int bytesperpixel)
+{
+    int mx = mv->x * (1 << !s->ss_h), my = mv->y * (1 << !s->ss_v), th;
+
+    y += my >> 4;
+    x += mx >> 4;
+    ref_u += y * src_stride_u + x * bytesperpixel;
+    ref_v += y * src_stride_v + x * bytesperpixel;
+    mx &= 15;
+    my &= 15;
+    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
+    // we use +7 because the last 7 pixels of each sbrow can be changed in
+    // the longest loopfilter of the next sbrow
+    th = (y + bh + 4 * !!my + 7) >> (6 - s->ss_v);
+    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
+    // The arm/aarch64 _hv filters read one more row than what actually is
+    // needed, so switch to emulated edge one pixel sooner vertically
+    // (!!my * 5) than horizontally (!!mx * 4).
+    if (x < !!mx * 3 || y < !!my * 3 ||
+        x + !!mx * 4 > w - bw || y + !!my * 5 > h - bh) {
+        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
+                                 ref_u - !!my * 3 * src_stride_u - !!mx * 3 * bytesperpixel,
+                                 160, src_stride_u,
+                                 bw + !!mx * 7, bh + !!my * 7,
+                                 x - !!mx * 3, y - !!my * 3, w, h);
+        ref_u = s->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
+        mc[!!mx][!!my](dst_u, dst_stride, ref_u, 160, bh, mx, my);
+
+        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
+                                 ref_v - !!my * 3 * src_stride_v - !!mx * 3 * bytesperpixel,
+                                 160, src_stride_v,
+                                 bw + !!mx * 7, bh + !!my * 7,
+                                 x - !!mx * 3, y - !!my * 3, w, h);
+        ref_v = s->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
+        mc[!!mx][!!my](dst_v, dst_stride, ref_v, 160, bh, mx, my);
+    } else {
+        mc[!!mx][!!my](dst_u, dst_stride, ref_u, src_stride_u, bh, mx, my);
+        mc[!!mx][!!my](dst_v, dst_stride, ref_v, src_stride_v, bh, mx, my);
+    }
+}
+
+#define mc_luma_dir(s, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, \
+                    px, py, pw, ph, bw, bh, w, h, i) \
+    mc_luma_unscaled(s, s->dsp.mc, dst, dst_ls, src, src_ls, tref, row, col, \
+                     mv, bw, bh, w, h, bytesperpixel)
+#define mc_chroma_dir(s, mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
+                      row, col, mv, px, py, pw, ph, bw, bh, w, h, i) \
+    mc_chroma_unscaled(s, s->dsp.mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
+                       row, col, mv, bw, bh, w, h, bytesperpixel)
+#define SCALED 0
+#define FN(x) x##_8bpp
+#define BYTES_PER_PIXEL 1
+#include "vp9_mc_template.c"
+#undef FN
+#undef BYTES_PER_PIXEL
+#define FN(x) x##_16bpp
+#define BYTES_PER_PIXEL 2
+#include "vp9_mc_template.c"
+#undef mc_luma_dir
+#undef mc_chroma_dir
+#undef FN
+#undef BYTES_PER_PIXEL
+#undef SCALED
+
+static av_always_inline void mc_luma_scaled(VP9Context *s, vp9_scaled_mc_func smc,
+                                            vp9_mc_func (*mc)[2],
+                                            uint8_t *dst, ptrdiff_t dst_stride,
+                                            const uint8_t *ref, ptrdiff_t ref_stride,
+                                            ThreadFrame *ref_frame,
+                                            ptrdiff_t y, ptrdiff_t x, const VP56mv *in_mv,
+                                            int px, int py, int pw, int ph,
+                                            int bw, int bh, int w, int h, int bytesperpixel,
+                                            const uint16_t *scale, const uint8_t *step)
+{
+    if (s->s.frames[CUR_FRAME].tf.f->width == ref_frame->f->width &&
+        s->s.frames[CUR_FRAME].tf.f->height == ref_frame->f->height) {
+        mc_luma_unscaled(s, mc, dst, dst_stride, ref, ref_stride, ref_frame,
+                         y, x, in_mv, bw, bh, w, h, bytesperpixel);
+    } else {
+#define scale_mv(n, dim) (((int64_t)(n) * scale[dim]) >> 14)
+    int mx, my;
+    int refbw_m1, refbh_m1;
+    int th;
+    VP56mv mv;
+
+    mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 8, (s->cols * 8 - x + px + 3) * 8);
+    mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 8, (s->rows * 8 - y + py + 3) * 8);
+    // BUG libvpx seems to scale the two components separately. This introduces
+    // rounding errors but we have to reproduce them to be exactly compatible
+    // with the output from libvpx...
+    mx = scale_mv(mv.x * 2, 0) + scale_mv(x * 16, 0);
+    my = scale_mv(mv.y * 2, 1) + scale_mv(y * 16, 1);
+
+    y = my >> 4;
+    x = mx >> 4;
+    ref += y * ref_stride + x * bytesperpixel;
+    mx &= 15;
+    my &= 15;
+    refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
+    refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
+    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
+    // we use +7 because the last 7 pixels of each sbrow can be changed in
+    // the longest loopfilter of the next sbrow
+    th = (y + refbh_m1 + 4 + 7) >> 6;
+    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
+    // The arm/aarch64 _hv filters read one more row than what actually is
+    // needed, so switch to emulated edge one pixel sooner vertically
+    // (y + 5 >= h - refbh_m1) than horizontally (x + 4 >= w - refbw_m1).
+    if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 5 >= h - refbh_m1) {
+        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
+                                 ref - 3 * ref_stride - 3 * bytesperpixel,
+                                 288, ref_stride,
+                                 refbw_m1 + 8, refbh_m1 + 8,
+                                 x - 3, y - 3, w, h);
+        ref = s->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
+        ref_stride = 288;
+    }
+    smc(dst, dst_stride, ref, ref_stride, bh, mx, my, step[0], step[1]);
+    }
+}
+
+static av_always_inline void mc_chroma_scaled(VP9Context *s, vp9_scaled_mc_func smc,
+                                              vp9_mc_func (*mc)[2],
+                                              uint8_t *dst_u, uint8_t *dst_v,
+                                              ptrdiff_t dst_stride,
+                                              const uint8_t *ref_u, ptrdiff_t src_stride_u,
+                                              const uint8_t *ref_v, ptrdiff_t src_stride_v,
+                                              ThreadFrame *ref_frame,
+                                              ptrdiff_t y, ptrdiff_t x, const VP56mv *in_mv,
+                                              int px, int py, int pw, int ph,
+                                              int bw, int bh, int w, int h, int bytesperpixel,
+                                              const uint16_t *scale, const uint8_t *step)
+{
+    if (s->s.frames[CUR_FRAME].tf.f->width == ref_frame->f->width &&
+        s->s.frames[CUR_FRAME].tf.f->height == ref_frame->f->height) {
+        mc_chroma_unscaled(s, mc, dst_u, dst_v, dst_stride, ref_u, src_stride_u,
+                           ref_v, src_stride_v, ref_frame,
+                           y, x, in_mv, bw, bh, w, h, bytesperpixel);
+    } else {
+    int mx, my;
+    int refbw_m1, refbh_m1;
+    int th;
+    VP56mv mv;
+
+    if (s->ss_h) {
+        // BUG https://code.google.com/p/webm/issues/detail?id=820
+        mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 16, (s->cols * 4 - x + px + 3) * 16);
+        mx = scale_mv(mv.x, 0) + (scale_mv(x * 16, 0) & ~15) + (scale_mv(x * 32, 0) & 15);
+    } else {
+        mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 8, (s->cols * 8 - x + px + 3) * 8);
+        mx = scale_mv(mv.x * 2, 0) + scale_mv(x * 16, 0);
+    }
+    if (s->ss_v) {
+        // BUG https://code.google.com/p/webm/issues/detail?id=820
+        mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 16, (s->rows * 4 - y + py + 3) * 16);
+        my = scale_mv(mv.y, 1) + (scale_mv(y * 16, 1) & ~15) + (scale_mv(y * 32, 1) & 15);
+    } else {
+        mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 8, (s->rows * 8 - y + py + 3) * 8);
+        my = scale_mv(mv.y * 2, 1) + scale_mv(y * 16, 1);
+    }
+#undef scale_mv
+    y = my >> 4;
+    x = mx >> 4;
+    ref_u += y * src_stride_u + x * bytesperpixel;
+    ref_v += y * src_stride_v + x * bytesperpixel;
+    mx &= 15;
+    my &= 15;
+    refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
+    refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
+    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
+    // we use +7 because the last 7 pixels of each sbrow can be changed in
+    // the longest loopfilter of the next sbrow
+    th = (y + refbh_m1 + 4 + 7) >> (6 - s->ss_v);
+    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
+    // The arm/aarch64 _hv filters read one more row than what actually is
+    // needed, so switch to emulated edge one pixel sooner vertically
+    // (y + 5 >= h - refbh_m1) than horizontally (x + 4 >= w - refbw_m1).
+    if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 5 >= h - refbh_m1) {
+        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
+                                 ref_u - 3 * src_stride_u - 3 * bytesperpixel,
+                                 288, src_stride_u,
+                                 refbw_m1 + 8, refbh_m1 + 8,
+                                 x - 3, y - 3, w, h);
+        ref_u = s->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
+        smc(dst_u, dst_stride, ref_u, 288, bh, mx, my, step[0], step[1]);
+
+        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
+                                 ref_v - 3 * src_stride_v - 3 * bytesperpixel,
+                                 288, src_stride_v,
+                                 refbw_m1 + 8, refbh_m1 + 8,
+                                 x - 3, y - 3, w, h);
+        ref_v = s->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
+        smc(dst_v, dst_stride, ref_v, 288, bh, mx, my, step[0], step[1]);
+    } else {
+        smc(dst_u, dst_stride, ref_u, src_stride_u, bh, mx, my, step[0], step[1]);
+        smc(dst_v, dst_stride, ref_v, src_stride_v, bh, mx, my, step[0], step[1]);
+    }
+    }
+}
+
+#define mc_luma_dir(s, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, \
+                    px, py, pw, ph, bw, bh, w, h, i) \
+    mc_luma_scaled(s, s->dsp.s##mc, s->dsp.mc, dst, dst_ls, src, src_ls, tref, row, col, \
+                   mv, px, py, pw, ph, bw, bh, w, h, bytesperpixel, \
+                   s->mvscale[b->ref[i]], s->mvstep[b->ref[i]])
+#define mc_chroma_dir(s, mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
+                      row, col, mv, px, py, pw, ph, bw, bh, w, h, i) \
+    mc_chroma_scaled(s, s->dsp.s##mc, s->dsp.mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
+                     row, col, mv, px, py, pw, ph, bw, bh, w, h, bytesperpixel, \
+                     s->mvscale[b->ref[i]], s->mvstep[b->ref[i]])
+#define SCALED 1
+#define FN(x) x##_scaled_8bpp
+#define BYTES_PER_PIXEL 1
+#include "vp9_mc_template.c"
+#undef FN
+#undef BYTES_PER_PIXEL
+#define FN(x) x##_scaled_16bpp
+#define BYTES_PER_PIXEL 2
+#include "vp9_mc_template.c"
+#undef mc_luma_dir
+#undef mc_chroma_dir
+#undef FN
+#undef BYTES_PER_PIXEL
+#undef SCALED
+
+static av_always_inline void inter_recon(AVCodecContext *ctx, int bytesperpixel)
+{
+    VP9Context *s = ctx->priv_data;
+    VP9Block *b = s->b;
+    int row = s->row, col = s->col;
+
+    if (s->mvscale[b->ref[0]][0] || (b->comp && s->mvscale[b->ref[1]][0])) {
+        if (bytesperpixel == 1) {
+            inter_pred_scaled_8bpp(ctx);
+        } else {
+            inter_pred_scaled_16bpp(ctx);
+        }
+    } else {
+        if (bytesperpixel == 1) {
+            inter_pred_8bpp(ctx);
+        } else {
+            inter_pred_16bpp(ctx);
+        }
+    }
+    if (!b->skip) {
+        /* mostly copied intra_recon() */
+
+        int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
+        int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);
+        int end_x = FFMIN(2 * (s->cols - col), w4);
+        int end_y = FFMIN(2 * (s->rows - row), h4);
+        int tx = 4 * s->s.h.lossless + b->tx, uvtx = b->uvtx + 4 * s->s.h.lossless;
+        int uvstep1d = 1 << b->uvtx, p;
+        uint8_t *dst = s->dst[0];
+
+        // y itxfm add
+        for (n = 0, y = 0; y < end_y; y += step1d) {
+            uint8_t *ptr = dst;
+            for (x = 0; x < end_x; x += step1d,
+                 ptr += 4 * step1d * bytesperpixel, n += step) {
+                int eob = b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n];
+
+                if (eob)
+                    s->dsp.itxfm_add[tx][DCT_DCT](ptr, s->y_stride,
+                                                  s->block + 16 * n * bytesperpixel, eob);
+            }
+            dst += 4 * s->y_stride * step1d;
+        }
+
+        // uv itxfm add
+        end_x >>= s->ss_h;
+        end_y >>= s->ss_v;
+        step = 1 << (b->uvtx * 2);
+        for (p = 0; p < 2; p++) {
+            dst = s->dst[p + 1];
+            for (n = 0, y = 0; y < end_y; y += uvstep1d) {
+                uint8_t *ptr = dst;
+                for (x = 0; x < end_x; x += uvstep1d,
+                     ptr += 4 * uvstep1d * bytesperpixel, n += step) {
+                    int eob = b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n]) : s->uveob[p][n];
+
+                    if (eob)
+                        s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, s->uv_stride,
+                                                        s->uvblock[p] + 16 * n * bytesperpixel, eob);
+                }
+                dst += 4 * uvstep1d * s->uv_stride;
+            }
+        }
+    }
+}
+
+static void inter_recon_8bpp(AVCodecContext *ctx)
+{
+    inter_recon(ctx, 1);
+}
+
+static void inter_recon_16bpp(AVCodecContext *ctx)
+{
+    inter_recon(ctx, 2);
+}
+
+static av_always_inline void mask_edges(uint8_t (*mask)[8][4], int ss_h, int ss_v,
+                                        int row_and_7, int col_and_7,
+                                        int w, int h, int col_end, int row_end,
+                                        enum TxfmMode tx, int skip_inter)
+{
+    static const unsigned wide_filter_col_mask[2] = { 0x11, 0x01 };
+    static const unsigned wide_filter_row_mask[2] = { 0x03, 0x07 };
+
+    // FIXME I'm pretty sure all loops can be replaced by a single LUT if
+    // we make VP9Filter.mask uint64_t (i.e. row/col all single variable)
+    // and make the LUT 5-indexed (bl, bp, is_uv, tx and row/col), and then
+    // use row_and_7/col_and_7 as shifts (1*col_and_7+8*row_and_7)
+
+    // the intended behaviour of the vp9 loopfilter is to work on 8-pixel
+    // edges. This means that for UV, we work on two subsampled blocks at
+    // a time, and we only use the topleft block's mode information to set
+    // things like block strength. Thus, for any block size smaller than
+    // 16x16, ignore the odd portion of the block.
+    if (tx == TX_4X4 && (ss_v | ss_h)) {
+        if (h == ss_v) {
+            if (row_and_7 & 1)
+                return;
+            if (!row_end)
+                h += 1;
+        }
+        if (w == ss_h) {
+            if (col_and_7 & 1)
+                return;
+            if (!col_end)
+                w += 1;
+        }
+    }
+
+    if (tx == TX_4X4 && !skip_inter) {
+        int t = 1 << col_and_7, m_col = (t << w) - t, y;
+        // on 32-px edges, use the 8-px wide loopfilter; else, use 4-px wide
+        int m_row_8 = m_col & wide_filter_col_mask[ss_h], m_row_4 = m_col - m_row_8;
+
+        for (y = row_and_7; y < h + row_and_7; y++) {
+            int col_mask_id = 2 - !(y & wide_filter_row_mask[ss_v]);
+
+            mask[0][y][1] |= m_row_8;
+            mask[0][y][2] |= m_row_4;
+            // for odd lines, if the odd col is not being filtered,
+            // skip odd row also:
+            // .---. <-- a
+            // |   |
+            // |___| <-- b
+            // ^   ^
+            // c   d
+            //
+            // if a/c are even row/col and b/d are odd, and d is skipped,
+            // e.g. right edge of size-66x66.webm, then skip b also (bug)
+            if ((ss_h & ss_v) && (col_end & 1) && (y & 1)) {
+                mask[1][y][col_mask_id] |= (t << (w - 1)) - t;
+            } else {
+                mask[1][y][col_mask_id] |= m_col;
+            }
+            if (!ss_h)
+                mask[0][y][3] |= m_col;
+            if (!ss_v) {
+                if (ss_h && (col_end & 1))
+                    mask[1][y][3] |= (t << (w - 1)) - t;
+                else
+                    mask[1][y][3] |= m_col;
+            }
+        }
+    } else {
+        int y, t = 1 << col_and_7, m_col = (t << w) - t;
+
+        if (!skip_inter) {
+            int mask_id = (tx == TX_8X8);
+            static const unsigned masks[4] = { 0xff, 0x55, 0x11, 0x01 };
+            int l2 = tx + ss_h - 1, step1d;
+            int m_row = m_col & masks[l2];
+
+            // at odd UV col/row edges tx16/tx32 loopfilter edges, force
+            // 8wd loopfilter to prevent going off the visible edge.
+            if (ss_h && tx > TX_8X8 && (w ^ (w - 1)) == 1) {
+                int m_row_16 = ((t << (w - 1)) - t) & masks[l2];
+                int m_row_8 = m_row - m_row_16;
+
+                for (y = row_and_7; y < h + row_and_7; y++) {
+                    mask[0][y][0] |= m_row_16;
+                    mask[0][y][1] |= m_row_8;
+                }
+            } else {
+                for (y = row_and_7; y < h + row_and_7; y++)
+                    mask[0][y][mask_id] |= m_row;
+            }
+
+            l2 = tx + ss_v - 1;
+            step1d = 1 << l2;
+            if (ss_v && tx > TX_8X8 && (h ^ (h - 1)) == 1) {
+                for (y = row_and_7; y < h + row_and_7 - 1; y += step1d)
+                    mask[1][y][0] |= m_col;
+                if (y - row_and_7 == h - 1)
+                    mask[1][y][1] |= m_col;
+            } else {
+                for (y = row_and_7; y < h + row_and_7; y += step1d)
+                    mask[1][y][mask_id] |= m_col;
+            }
+        } else if (tx != TX_4X4) {
+            int mask_id;
+
+            mask_id = (tx == TX_8X8) || (h == ss_v);
+            mask[1][row_and_7][mask_id] |= m_col;
+            mask_id = (tx == TX_8X8) || (w == ss_h);
+            for (y = row_and_7; y < h + row_and_7; y++)
+                mask[0][y][mask_id] |= t;
+        } else {
+            int t8 = t & wide_filter_col_mask[ss_h], t4 = t - t8;
+
+            for (y = row_and_7; y < h + row_and_7; y++) {
+                mask[0][y][2] |= t4;
+                mask[0][y][1] |= t8;
+            }
+            mask[1][row_and_7][2 - !(row_and_7 & wide_filter_row_mask[ss_v])] |= m_col;
+        }
+    }
+}
+
+void ff_vp9_decode_block(AVCodecContext *ctx, int row, int col,
+                         struct VP9Filter *lflvl, ptrdiff_t yoff, ptrdiff_t uvoff,
+                         enum BlockLevel bl, enum BlockPartition bp)
+{
+    VP9Context *s = ctx->priv_data;
+    VP9Block *b = s->b;
+    enum BlockSize bs = bl * 3 + bp;
+    int bytesperpixel = s->bytesperpixel;
+    int w4 = bwh_tab[1][bs][0], h4 = bwh_tab[1][bs][1], lvl;
+    int emu[2];
+    AVFrame *f = s->s.frames[CUR_FRAME].tf.f;
+
+    s->row = row;
+    s->row7 = row & 7;
+    s->col = col;
+    s->col7 = col & 7;
+    s->min_mv.x = -(128 + col * 64);
+    s->min_mv.y = -(128 + row * 64);
+    s->max_mv.x = 128 + (s->cols - col - w4) * 64;
+    s->max_mv.y = 128 + (s->rows - row - h4) * 64;
+    if (s->pass < 2) {
+        b->bs = bs;
+        b->bl = bl;
+        b->bp = bp;
+        decode_mode(ctx);
+        b->uvtx = b->tx - ((s->ss_h && w4 * 2 == (1 << b->tx)) ||
+                           (s->ss_v && h4 * 2 == (1 << b->tx)));
+
+        if (!b->skip) {
+            int has_coeffs;
+
+            if (bytesperpixel == 1) {
+                has_coeffs = decode_coeffs_8bpp(ctx);
+            } else {
+                has_coeffs = decode_coeffs_16bpp(ctx);
+            }
+            if (!has_coeffs && b->bs <= BS_8x8 && !b->intra) {
+                b->skip = 1;
+                memset(&s->above_skip_ctx[col], 1, w4);
+                memset(&s->left_skip_ctx[s->row7], 1, h4);
+            }
+        } else {
+            int row7 = s->row7;
+
+#define SPLAT_ZERO_CTX(v, n) \
+    switch (n) { \
+    case 1:  v = 0;          break; \
+    case 2:  AV_ZERO16(&v);  break; \
+    case 4:  AV_ZERO32(&v);  break; \
+    case 8:  AV_ZERO64(&v);  break; \
+    case 16: AV_ZERO128(&v); break; \
+    }
+#define SPLAT_ZERO_YUV(dir, var, off, n, dir2) \
+    do { \
+        SPLAT_ZERO_CTX(s->dir##_y_##var[off * 2], n * 2); \
+        if (s->ss_##dir2) { \
+            SPLAT_ZERO_CTX(s->dir##_uv_##var[0][off], n); \
+            SPLAT_ZERO_CTX(s->dir##_uv_##var[1][off], n); \
+        } else { \
+            SPLAT_ZERO_CTX(s->dir##_uv_##var[0][off * 2], n * 2); \
+            SPLAT_ZERO_CTX(s->dir##_uv_##var[1][off * 2], n * 2); \
+        } \
+    } while (0)
+
+            switch (w4) {
+            case 1: SPLAT_ZERO_YUV(above, nnz_ctx, col, 1, h); break;
+            case 2: SPLAT_ZERO_YUV(above, nnz_ctx, col, 2, h); break;
+            case 4: SPLAT_ZERO_YUV(above, nnz_ctx, col, 4, h); break;
+            case 8: SPLAT_ZERO_YUV(above, nnz_ctx, col, 8, h); break;
+            }
+            switch (h4) {
+            case 1: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 1, v); break;
+            case 2: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 2, v); break;
+            case 4: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 4, v); break;
+            case 8: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 8, v); break;
+            }
+        }
+
+        if (s->pass == 1) {
+            s->b++;
+            s->block += w4 * h4 * 64 * bytesperpixel;
+            s->uvblock[0] += w4 * h4 * 64 * bytesperpixel >> (s->ss_h + s->ss_v);
+            s->uvblock[1] += w4 * h4 * 64 * bytesperpixel >> (s->ss_h + s->ss_v);
+            s->eob += 4 * w4 * h4;
+            s->uveob[0] += 4 * w4 * h4 >> (s->ss_h + s->ss_v);
+            s->uveob[1] += 4 * w4 * h4 >> (s->ss_h + s->ss_v);
+
+            return;
+        }
+    }
+
+    // emulated overhangs if the stride of the target buffer can't hold. This
+    // makes it possible to support emu-edge and so on even if we have large block
+    // overhangs
+    emu[0] = (col + w4) * 8 * bytesperpixel > f->linesize[0] ||
+             (row + h4) > s->rows;
+    emu[1] = ((col + w4) * 8 >> s->ss_h) * bytesperpixel > f->linesize[1] ||
+             (row + h4) > s->rows;
+    if (emu[0]) {
+        s->dst[0] = s->tmp_y;
+        s->y_stride = 128;
+    } else {
+        s->dst[0] = f->data[0] + yoff;
+        s->y_stride = f->linesize[0];
+    }
+    if (emu[1]) {
+        s->dst[1] = s->tmp_uv[0];
+        s->dst[2] = s->tmp_uv[1];
+        s->uv_stride = 128;
+    } else {
+        s->dst[1] = f->data[1] + uvoff;
+        s->dst[2] = f->data[2] + uvoff;
+        s->uv_stride = f->linesize[1];
+    }
+    if (b->intra) {
+        if (s->s.h.bpp > 8) {
+            intra_recon_16bpp(ctx, yoff, uvoff);
+        } else {
+            intra_recon_8bpp(ctx, yoff, uvoff);
+        }
+    } else {
+        if (s->s.h.bpp > 8) {
+            inter_recon_16bpp(ctx);
+        } else {
+            inter_recon_8bpp(ctx);
+        }
+    }
+    if (emu[0]) {
+        int w = FFMIN(s->cols - col, w4) * 8, h = FFMIN(s->rows - row, h4) * 8, n, o = 0;
+
+        for (n = 0; o < w; n++) {
+            int bw = 64 >> n;
+
+            av_assert2(n <= 4);
+            if (w & bw) {
+                s->dsp.mc[n][0][0][0][0](f->data[0] + yoff + o * bytesperpixel, f->linesize[0],
+                                         s->tmp_y + o * bytesperpixel, 128, h, 0, 0);
+                o += bw;
+            }
+        }
+    }
+    if (emu[1]) {
+        int w = FFMIN(s->cols - col, w4) * 8 >> s->ss_h;
+        int h = FFMIN(s->rows - row, h4) * 8 >> s->ss_v, n, o = 0;
+
+        for (n = s->ss_h; o < w; n++) {
+            int bw = 64 >> n;
+
+            av_assert2(n <= 4);
+            if (w & bw) {
+                s->dsp.mc[n][0][0][0][0](f->data[1] + uvoff + o * bytesperpixel, f->linesize[1],
+                                         s->tmp_uv[0] + o * bytesperpixel, 128, h, 0, 0);
+                s->dsp.mc[n][0][0][0][0](f->data[2] + uvoff + o * bytesperpixel, f->linesize[2],
+                                         s->tmp_uv[1] + o * bytesperpixel, 128, h, 0, 0);
+                o += bw;
+            }
+        }
+    }
+
+    // pick filter level and find edges to apply filter to
+    if (s->s.h.filter.level &&
+        (lvl = s->s.h.segmentation.feat[b->seg_id].lflvl[b->intra ? 0 : b->ref[0] + 1]
+                                                      [b->mode[3] != ZEROMV]) > 0) {
+        int x_end = FFMIN(s->cols - col, w4), y_end = FFMIN(s->rows - row, h4);
+        int skip_inter = !b->intra && b->skip, col7 = s->col7, row7 = s->row7;
+
+        setctx_2d(&lflvl->level[row7 * 8 + col7], w4, h4, 8, lvl);
+        mask_edges(lflvl->mask[0], 0, 0, row7, col7, x_end, y_end, 0, 0, b->tx, skip_inter);
+        if (s->ss_h || s->ss_v)
+            mask_edges(lflvl->mask[1], s->ss_h, s->ss_v, row7, col7, x_end, y_end,
+                       s->cols & 1 && col + w4 >= s->cols ? s->cols & 7 : 0,
+                       s->rows & 1 && row + h4 >= s->rows ? s->rows & 7 : 0,
+                       b->uvtx, skip_inter);
+
+        if (!s->filter_lut.lim_lut[lvl]) {
+            int sharp = s->s.h.filter.sharpness;
+            int limit = lvl;
+
+            if (sharp > 0) {
+                limit >>= (sharp + 3) >> 2;
+                limit = FFMIN(limit, 9 - sharp);
+            }
+            limit = FFMAX(limit, 1);
+
+            s->filter_lut.lim_lut[lvl] = limit;
+            s->filter_lut.mblim_lut[lvl] = 2 * (lvl + 2) + limit;
+        }
+    }
+
+    if (s->pass == 2) {
+        s->b++;
+        s->block += w4 * h4 * 64 * bytesperpixel;
+        s->uvblock[0] += w4 * h4 * 64 * bytesperpixel >> (s->ss_v + s->ss_h);
+        s->uvblock[1] += w4 * h4 * 64 * bytesperpixel >> (s->ss_v + s->ss_h);
+        s->eob += 4 * w4 * h4;
+        s->uveob[0] += 4 * w4 * h4 >> (s->ss_v + s->ss_h);
+        s->uveob[1] += 4 * w4 * h4 >> (s->ss_v + s->ss_h);
+    }
+}
diff --git a/libavcodec/vp9data.c b/libavcodec/vp9data.c
new file mode 100644
index 0000000..f77e339
--- /dev/null
+++ b/libavcodec/vp9data.c
@@ -0,0 +1,2237 @@
+/*
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "vp9.h"
+#include "vp9data.h"
+
+const int8_t ff_vp9_partition_tree[3][2] = {
+    { -PARTITION_NONE, 1 },               // '0'
+     { -PARTITION_H, 2 },                 // '10'
+      { -PARTITION_V, -PARTITION_SPLIT }, // '110', '111'
+};
+
+const uint8_t ff_vp9_default_kf_partition_probs[4][4][3] = {
+    { /* 64x64 -> 32x32 */
+        { 174,  35,  49 } /* a/l both not split */,
+        {  68,  11,  27 } /* a split, l not split */,
+        {  57,  15,   9 } /* l split, a not split */,
+        {  12,   3,   3 } /* a/l both split */
+    }, { /* 32x32 -> 16x16 */
+        { 150,  40,  39 } /* a/l both not split */,
+        {  78,  12,  26 } /* a split, l not split */,
+        {  67,  33,  11 } /* l split, a not split */,
+        {  24,   7,   5 } /* a/l both split */,
+    }, { /* 16x16 -> 8x8 */
+        { 149,  53,  53 } /* a/l both not split */,
+        {  94,  20,  48 } /* a split, l not split */,
+        {  83,  53,  24 } /* l split, a not split */,
+        {  52,  18,  18 } /* a/l both split */,
+    }, { /* 8x8 -> 4x4 */
+        { 158,  97,  94 } /* a/l both not split */,
+        {  93,  24,  99 } /* a split, l not split */,
+        {  85, 119,  44 } /* l split, a not split */,
+        {  62,  59,  67 } /* a/l both split */,
+    },
+};
+
+const int8_t ff_vp9_segmentation_tree[7][2] = {
+    { 1, 2 },
+     { 3, 4 },
+     { 5, 6 },
+      { -0, -1 }, // '00x'
+      { -2, -3 }, // '01x'
+      { -4, -5 }, // '10x'
+      { -6, -7 }, // '11x'
+};
+
+const int8_t ff_vp9_intramode_tree[9][2] = {
+    { -DC_PRED, 1 },                                  // '0'
+     { -TM_VP8_PRED, 2 },                             // '10'
+      { -VERT_PRED, 3 },                              // '110'
+       { 4, 6 },
+        { -HOR_PRED, 5 },                             // '11100'
+         { -DIAG_DOWN_RIGHT_PRED, -VERT_RIGHT_PRED }, // '11101x'
+        { -DIAG_DOWN_LEFT_PRED, 7 },                  // '11110'
+         { -VERT_LEFT_PRED, 8 },                      // '111110'
+          { -HOR_DOWN_PRED, -HOR_UP_PRED },           // '111111x'
+};
+
+const uint8_t ff_vp9_default_kf_ymode_probs[10][10][9] = {
+    { /* above = v */
+        {  43,  46, 168, 134, 107, 128,  69, 142,  92 } /* left = v */,
+        {  44,  29,  68, 159, 201, 177,  50,  57,  77 } /* left = h */,
+        {  63,  36, 126, 146, 123, 158,  60,  90,  96 } /* left = dc */,
+        {  58,  38,  76, 114,  97, 172,  78, 133,  92 } /* left = d45 */,
+        {  46,  41,  76, 140,  63, 184,  69, 112,  57 } /* left = d135 */,
+        {  38,  32,  85, 140,  46, 112,  54, 151, 133 } /* left = d117 */,
+        {  39,  27,  61, 131, 110, 175,  44,  75, 136 } /* left = d153 */,
+        {  47,  35,  80, 100,  74, 143,  64, 163,  74 } /* left = d63 */,
+        {  52,  30,  74, 113, 130, 175,  51,  64,  58 } /* left = d27 */,
+        {  36,  61, 116, 114, 128, 162,  80, 125,  82 } /* left = tm */
+    }, { /* above = h */
+        {  55,  44,  68, 166, 179, 192,  57,  57, 108 } /* left = v */,
+        {  42,  26,  11, 199, 241, 228,  23,  15,  85 } /* left = h */,
+        {  82,  26,  26, 171, 208, 204,  44,  32, 105 } /* left = dc */,
+        {  68,  42,  19, 131, 160, 199,  55,  52,  83 } /* left = d45 */,
+        {  58,  50,  25, 139, 115, 232,  39,  52, 118 } /* left = d135 */,
+        {  50,  35,  33, 153, 104, 162,  64,  59, 131 } /* left = d117 */,
+        {  44,  24,  16, 150, 177, 202,  33,  19, 156 } /* left = d153 */,
+        {  53,  49,  21, 110, 116, 168,  59,  80,  76 } /* left = d63 */,
+        {  55,  27,  12, 153, 203, 218,  26,  27,  49 } /* left = d27 */,
+        {  38,  72,  19, 168, 203, 212,  50,  50, 107 } /* left = tm */
+    }, { /* above = dc */
+        {  92,  45, 102, 136, 116, 180,  74,  90, 100 } /* left = v */,
+        {  73,  32,  19, 187, 222, 215,  46,  34, 100 } /* left = h */,
+        { 137,  30,  42, 148, 151, 207,  70,  52,  91 } /* left = dc */,
+        {  91,  30,  32, 116, 121, 186,  93,  86,  94 } /* left = d45 */,
+        {  72,  35,  36, 149,  68, 206,  68,  63, 105 } /* left = d135 */,
+        {  73,  31,  28, 138,  57, 124,  55, 122, 151 } /* left = d117 */,
+        {  67,  23,  21, 140, 126, 197,  40,  37, 171 } /* left = d153 */,
+        {  74,  32,  27, 107,  86, 160,  63, 134, 102 } /* left = d63 */,
+        {  86,  27,  28, 128, 154, 212,  45,  43,  53 } /* left = d27 */,
+        {  59,  67,  44, 140, 161, 202,  78,  67, 119 } /* left = tm */
+    }, { /* above = d45 */
+        {  59,  38,  83, 112, 103, 162,  98, 136,  90 } /* left = v */,
+        {  62,  30,  23, 158, 200, 207,  59,  57,  50 } /* left = h */,
+        { 103,  26,  36, 129, 132, 201,  83,  80,  93 } /* left = dc */,
+        {  67,  30,  29,  84,  86, 191, 102,  91,  59 } /* left = d45 */,
+        {  60,  32,  33, 112,  71, 220,  64,  89, 104 } /* left = d135 */,
+        {  53,  26,  34, 130,  56, 149,  84, 120, 103 } /* left = d117 */,
+        {  53,  21,  23, 133, 109, 210,  56,  77, 172 } /* left = d153 */,
+        {  61,  29,  29,  93,  97, 165,  83, 175, 162 } /* left = d63 */,
+        {  77,  19,  29, 112, 142, 228,  55,  66,  36 } /* left = d27 */,
+        {  47,  47,  43, 114, 137, 181, 100,  99,  95 } /* left = tm */
+    }, { /* above = d135 */
+        {  53,  40,  55, 139,  69, 183,  61,  80, 110 } /* left = v */,
+        {  40,  29,  19, 161, 180, 207,  43,  24,  91 } /* left = h */,
+        {  69,  23,  29, 128,  83, 199,  46,  44, 101 } /* left = dc */,
+        {  60,  34,  19, 105,  61, 198,  53,  64,  89 } /* left = d45 */,
+        {  52,  31,  22, 158,  40, 209,  58,  62,  89 } /* left = d135 */,
+        {  44,  31,  29, 147,  46, 158,  56, 102, 198 } /* left = d117 */,
+        {  35,  19,  12, 135,  87, 209,  41,  45, 167 } /* left = d153 */,
+        {  51,  38,  25, 113,  58, 164,  70,  93,  97 } /* left = d63 */,
+        {  55,  25,  21, 118,  95, 215,  38,  39,  66 } /* left = d27 */,
+        {  47,  54,  34, 146, 108, 203,  72, 103, 151 } /* left = tm */
+    }, { /* above = d117 */
+        {  46,  27,  80, 150,  55, 124,  55, 121, 135 } /* left = v */,
+        {  36,  23,  27, 165, 149, 166,  54,  64, 118 } /* left = h */,
+        {  64,  19,  37, 156,  66, 138,  49,  95, 133 } /* left = dc */,
+        {  53,  21,  36, 131,  63, 163,  60, 109,  81 } /* left = d45 */,
+        {  40,  26,  35, 154,  40, 185,  51,  97, 123 } /* left = d135 */,
+        {  35,  19,  34, 179,  19,  97,  48, 129, 124 } /* left = d117 */,
+        {  36,  20,  26, 136,  62, 164,  33,  77, 154 } /* left = d153 */,
+        {  45,  26,  28, 129,  45, 129,  49, 147, 123 } /* left = d63 */,
+        {  45,  18,  32, 130,  90, 157,  40,  79,  91 } /* left = d27 */,
+        {  38,  44,  51, 136,  74, 162,  57,  97, 121 } /* left = tm */
+    }, { /* above = d153 */
+        {  56,  39,  58, 133, 117, 173,  48,  53, 187 } /* left = v */,
+        {  35,  21,  12, 161, 212, 207,  20,  23, 145 } /* left = h */,
+        {  75,  17,  22, 136, 138, 185,  32,  34, 166 } /* left = dc */,
+        {  56,  29,  19, 117, 109, 181,  55,  68, 112 } /* left = d45 */,
+        {  47,  29,  17, 153,  64, 220,  59,  51, 114 } /* left = d135 */,
+        {  46,  16,  24, 136,  76, 147,  41,  64, 172 } /* left = d117 */,
+        {  34,  17,  11, 108, 152, 187,  13,  15, 209 } /* left = d153 */,
+        {  55,  30,  18, 122,  79, 179,  44,  88, 116 } /* left = d63 */,
+        {  51,  24,  14, 115, 133, 209,  32,  26, 104 } /* left = d27 */,
+        {  37,  49,  25, 129, 168, 164,  41,  54, 148 } /* left = tm */
+    }, { /* above = d63 */
+        {  48,  34,  86, 101,  92, 146,  78, 179, 134 } /* left = v */,
+        {  47,  22,  24, 138, 187, 178,  68,  69,  59 } /* left = h */,
+        {  78,  23,  39, 111, 117, 170,  74, 124,  94 } /* left = dc */,
+        {  56,  25,  33, 105, 112, 187,  95, 177, 129 } /* left = d45 */,
+        {  48,  31,  27, 114,  63, 183,  82, 116,  56 } /* left = d135 */,
+        {  43,  28,  37, 121,  63, 123,  61, 192, 169 } /* left = d117 */,
+        {  42,  17,  24, 109,  97, 177,  56,  76, 122 } /* left = d153 */,
+        {  46,  23,  32,  74,  86, 150,  67, 183,  88 } /* left = d63 */,
+        {  58,  18,  28, 105, 139, 182,  70,  92,  63 } /* left = d27 */,
+        {  36,  38,  48,  92, 122, 165,  88, 137,  91 } /* left = tm */
+    }, { /* above = d27 */
+        {  62,  44,  61, 123, 105, 189,  48,  57,  64 } /* left = v */,
+        {  47,  25,  17, 175, 222, 220,  24,  30,  86 } /* left = h */,
+        {  82,  22,  32, 127, 143, 213,  39,  41,  70 } /* left = dc */,
+        {  68,  36,  17, 106, 102, 206,  59,  74,  74 } /* left = d45 */,
+        {  57,  39,  23, 151,  68, 216,  55,  63,  58 } /* left = d135 */,
+        {  49,  30,  35, 141,  70, 168,  82,  40, 115 } /* left = d117 */,
+        {  51,  25,  15, 136, 129, 202,  38,  35, 139 } /* left = d153 */,
+        {  59,  39,  19, 114,  75, 180,  77, 104,  42 } /* left = d63 */,
+        {  68,  26,  16, 111, 141, 215,  29,  28,  28 } /* left = d27 */,
+        {  40,  61,  26, 126, 152, 206,  61,  59,  93 } /* left = tm */
+    }, { /* above = tm */
+        {  44,  78, 115, 132, 119, 173,  71, 112,  93 } /* left = v */,
+        {  39,  38,  21, 184, 227, 206,  42,  32,  64 } /* left = h */,
+        {  65,  70,  60, 155, 159, 199,  61,  60,  81 } /* left = dc */,
+        {  58,  47,  36, 124, 137, 193,  80,  82,  78 } /* left = d45 */,
+        {  49,  50,  35, 144,  95, 205,  63,  78,  59 } /* left = d135 */,
+        {  41,  53,  52, 148,  71, 142,  65, 128,  51 } /* left = d117 */,
+        {  40,  36,  28, 143, 143, 202,  40,  55, 137 } /* left = d153 */,
+        {  42,  44,  44, 104, 105, 164,  64, 130,  80 } /* left = d63 */,
+        {  52,  34,  29, 129, 183, 227,  42,  35,  43 } /* left = d27 */,
+        {  43,  81,  53, 140, 169, 204,  68,  84,  72 } /* left = tm */
+    }
+};
+
+const uint8_t ff_vp9_default_kf_uvmode_probs[10][9] = {
+    { 118,  15, 123, 148, 131, 101,  44,  93, 131 } /* y = v */,
+    { 113,  12,  23, 188, 226, 142,  26,  32, 125 } /* y = h */,
+    { 144,  11,  54, 157, 195, 130,  46,  58, 108 } /* y = dc */,
+    { 120,  11,  50, 123, 163, 135,  64,  77, 103 } /* y = d45 */,
+    { 113,   9,  36, 155, 111, 157,  32,  44, 161 } /* y = d135 */,
+    { 116,   9,  55, 176,  76,  96,  37,  61, 149 } /* y = d117 */,
+    { 115,   9,  28, 141, 161, 167,  21,  25, 193 } /* y = d153 */,
+    { 116,  12,  64, 120, 140, 125,  49, 115, 121 } /* y = d63 */,
+    { 120,  12,  32, 145, 195, 142,  32,  38,  86 } /* y = d27 */,
+    { 102,  19,  66, 162, 182, 122,  35,  59, 128 } /* y = tm */
+};
+
+const int8_t ff_vp9_inter_mode_tree[3][2] = {
+    { -ZEROMV, 1 },        // '0'
+     { -NEARESTMV, 2 },    // '10'
+      { -NEARMV, -NEWMV }, // '11x'
+};
+
+const int8_t ff_vp9_filter_tree[2][2] = {
+    { -0, 1 },   // '0'
+     { -1, -2 }, // '1x'
+};
+
+const enum FilterMode ff_vp9_filter_lut[3] = {
+    FILTER_8TAP_REGULAR,
+    FILTER_8TAP_SMOOTH,
+    FILTER_8TAP_SHARP,
+};
+
+const int16_t ff_vp9_dc_qlookup[3][256] = {
+    {
+            4,     8,     8,     9,    10,    11,    12,    12,
+           13,    14,    15,    16,    17,    18,    19,    19,
+           20,    21,    22,    23,    24,    25,    26,    26,
+           27,    28,    29,    30,    31,    32,    32,    33,
+           34,    35,    36,    37,    38,    38,    39,    40,
+           41,    42,    43,    43,    44,    45,    46,    47,
+           48,    48,    49,    50,    51,    52,    53,    53,
+           54,    55,    56,    57,    57,    58,    59,    60,
+           61,    62,    62,    63,    64,    65,    66,    66,
+           67,    68,    69,    70,    70,    71,    72,    73,
+           74,    74,    75,    76,    77,    78,    78,    79,
+           80,    81,    81,    82,    83,    84,    85,    85,
+           87,    88,    90,    92,    93,    95,    96,    98,
+           99,   101,   102,   104,   105,   107,   108,   110,
+          111,   113,   114,   116,   117,   118,   120,   121,
+          123,   125,   127,   129,   131,   134,   136,   138,
+          140,   142,   144,   146,   148,   150,   152,   154,
+          156,   158,   161,   164,   166,   169,   172,   174,
+          177,   180,   182,   185,   187,   190,   192,   195,
+          199,   202,   205,   208,   211,   214,   217,   220,
+          223,   226,   230,   233,   237,   240,   243,   247,
+          250,   253,   257,   261,   265,   269,   272,   276,
+          280,   284,   288,   292,   296,   300,   304,   309,
+          313,   317,   322,   326,   330,   335,   340,   344,
+          349,   354,   359,   364,   369,   374,   379,   384,
+          389,   395,   400,   406,   411,   417,   423,   429,
+          435,   441,   447,   454,   461,   467,   475,   482,
+          489,   497,   505,   513,   522,   530,   539,   549,
+          559,   569,   579,   590,   602,   614,   626,   640,
+          654,   668,   684,   700,   717,   736,   755,   775,
+          796,   819,   843,   869,   896,   925,   955,   988,
+         1022,  1058,  1098,  1139,  1184,  1232,  1282,  1336,
+    }, {
+            4,     9,    10,    13,    15,    17,    20,    22,
+           25,    28,    31,    34,    37,    40,    43,    47,
+           50,    53,    57,    60,    64,    68,    71,    75,
+           78,    82,    86,    90,    93,    97,   101,   105,
+          109,   113,   116,   120,   124,   128,   132,   136,
+          140,   143,   147,   151,   155,   159,   163,   166,
+          170,   174,   178,   182,   185,   189,   193,   197,
+          200,   204,   208,   212,   215,   219,   223,   226,
+          230,   233,   237,   241,   244,   248,   251,   255,
+          259,   262,   266,   269,   273,   276,   280,   283,
+          287,   290,   293,   297,   300,   304,   307,   310,
+          314,   317,   321,   324,   327,   331,   334,   337,
+          343,   350,   356,   362,   369,   375,   381,   387,
+          394,   400,   406,   412,   418,   424,   430,   436,
+          442,   448,   454,   460,   466,   472,   478,   484,
+          490,   499,   507,   516,   525,   533,   542,   550,
+          559,   567,   576,   584,   592,   601,   609,   617,
+          625,   634,   644,   655,   666,   676,   687,   698,
+          708,   718,   729,   739,   749,   759,   770,   782,
+          795,   807,   819,   831,   844,   856,   868,   880,
+          891,   906,   920,   933,   947,   961,   975,   988,
+         1001,  1015,  1030,  1045,  1061,  1076,  1090,  1105,
+         1120,  1137,  1153,  1170,  1186,  1202,  1218,  1236,
+         1253,  1271,  1288,  1306,  1323,  1342,  1361,  1379,
+         1398,  1416,  1436,  1456,  1476,  1496,  1516,  1537,
+         1559,  1580,  1601,  1624,  1647,  1670,  1692,  1717,
+         1741,  1766,  1791,  1817,  1844,  1871,  1900,  1929,
+         1958,  1990,  2021,  2054,  2088,  2123,  2159,  2197,
+         2236,  2276,  2319,  2363,  2410,  2458,  2508,  2561,
+         2616,  2675,  2737,  2802,  2871,  2944,  3020,  3102,
+         3188,  3280,  3375,  3478,  3586,  3702,  3823,  3953,
+         4089,  4236,  4394,  4559,  4737,  4929,  5130,  5347,
+    }, {
+            4,    12,    18,    25,    33,    41,    50,    60,
+           70,    80,    91,   103,   115,   127,   140,   153,
+          166,   180,   194,   208,   222,   237,   251,   266,
+          281,   296,   312,   327,   343,   358,   374,   390,
+          405,   421,   437,   453,   469,   484,   500,   516,
+          532,   548,   564,   580,   596,   611,   627,   643,
+          659,   674,   690,   706,   721,   737,   752,   768,
+          783,   798,   814,   829,   844,   859,   874,   889,
+          904,   919,   934,   949,   964,   978,   993,  1008,
+         1022,  1037,  1051,  1065,  1080,  1094,  1108,  1122,
+         1136,  1151,  1165,  1179,  1192,  1206,  1220,  1234,
+         1248,  1261,  1275,  1288,  1302,  1315,  1329,  1342,
+         1368,  1393,  1419,  1444,  1469,  1494,  1519,  1544,
+         1569,  1594,  1618,  1643,  1668,  1692,  1717,  1741,
+         1765,  1789,  1814,  1838,  1862,  1885,  1909,  1933,
+         1957,  1992,  2027,  2061,  2096,  2130,  2165,  2199,
+         2233,  2267,  2300,  2334,  2367,  2400,  2434,  2467,
+         2499,  2532,  2575,  2618,  2661,  2704,  2746,  2788,
+         2830,  2872,  2913,  2954,  2995,  3036,  3076,  3127,
+         3177,  3226,  3275,  3324,  3373,  3421,  3469,  3517,
+         3565,  3621,  3677,  3733,  3788,  3843,  3897,  3951,
+         4005,  4058,  4119,  4181,  4241,  4301,  4361,  4420,
+         4479,  4546,  4612,  4677,  4742,  4807,  4871,  4942,
+         5013,  5083,  5153,  5222,  5291,  5367,  5442,  5517,
+         5591,  5665,  5745,  5825,  5905,  5984,  6063,  6149,
+         6234,  6319,  6404,  6495,  6587,  6678,  6769,  6867,
+         6966,  7064,  7163,  7269,  7376,  7483,  7599,  7715,
+         7832,  7958,  8085,  8214,  8352,  8492,  8635,  8788,
+         8945,  9104,  9275,  9450,  9639,  9832, 10031, 10245,
+        10465, 10702, 10946, 11210, 11482, 11776, 12081, 12409,
+        12750, 13118, 13501, 13913, 14343, 14807, 15290, 15812,
+        16356, 16943, 17575, 18237, 18949, 19718, 20521, 21387,
+    }
+};
+
+const int16_t ff_vp9_ac_qlookup[3][256] = {
+    {
+            4,     8,     9,    10,    11,    12,    13,    14,
+           15,    16,    17,    18,    19,    20,    21,    22,
+           23,    24,    25,    26,    27,    28,    29,    30,
+           31,    32,    33,    34,    35,    36,    37,    38,
+           39,    40,    41,    42,    43,    44,    45,    46,
+           47,    48,    49,    50,    51,    52,    53,    54,
+           55,    56,    57,    58,    59,    60,    61,    62,
+           63,    64,    65,    66,    67,    68,    69,    70,
+           71,    72,    73,    74,    75,    76,    77,    78,
+           79,    80,    81,    82,    83,    84,    85,    86,
+           87,    88,    89,    90,    91,    92,    93,    94,
+           95,    96,    97,    98,    99,   100,   101,   102,
+          104,   106,   108,   110,   112,   114,   116,   118,
+          120,   122,   124,   126,   128,   130,   132,   134,
+          136,   138,   140,   142,   144,   146,   148,   150,
+          152,   155,   158,   161,   164,   167,   170,   173,
+          176,   179,   182,   185,   188,   191,   194,   197,
+          200,   203,   207,   211,   215,   219,   223,   227,
+          231,   235,   239,   243,   247,   251,   255,   260,
+          265,   270,   275,   280,   285,   290,   295,   300,
+          305,   311,   317,   323,   329,   335,   341,   347,
+          353,   359,   366,   373,   380,   387,   394,   401,
+          408,   416,   424,   432,   440,   448,   456,   465,
+          474,   483,   492,   501,   510,   520,   530,   540,
+          550,   560,   571,   582,   593,   604,   615,   627,
+          639,   651,   663,   676,   689,   702,   715,   729,
+          743,   757,   771,   786,   801,   816,   832,   848,
+          864,   881,   898,   915,   933,   951,   969,   988,
+         1007,  1026,  1046,  1066,  1087,  1108,  1129,  1151,
+         1173,  1196,  1219,  1243,  1267,  1292,  1317,  1343,
+         1369,  1396,  1423,  1451,  1479,  1508,  1537,  1567,
+         1597,  1628,  1660,  1692,  1725,  1759,  1793,  1828,
+    }, {
+            4,     9,    11,    13,    16,    18,    21,    24,
+           27,    30,    33,    37,    40,    44,    48,    51,
+           55,    59,    63,    67,    71,    75,    79,    83,
+           88,    92,    96,   100,   105,   109,   114,   118,
+          122,   127,   131,   136,   140,   145,   149,   154,
+          158,   163,   168,   172,   177,   181,   186,   190,
+          195,   199,   204,   208,   213,   217,   222,   226,
+          231,   235,   240,   244,   249,   253,   258,   262,
+          267,   271,   275,   280,   284,   289,   293,   297,
+          302,   306,   311,   315,   319,   324,   328,   332,
+          337,   341,   345,   349,   354,   358,   362,   367,
+          371,   375,   379,   384,   388,   392,   396,   401,
+          409,   417,   425,   433,   441,   449,   458,   466,
+          474,   482,   490,   498,   506,   514,   523,   531,
+          539,   547,   555,   563,   571,   579,   588,   596,
+          604,   616,   628,   640,   652,   664,   676,   688,
+          700,   713,   725,   737,   749,   761,   773,   785,
+          797,   809,   825,   841,   857,   873,   889,   905,
+          922,   938,   954,   970,   986,  1002,  1018,  1038,
+         1058,  1078,  1098,  1118,  1138,  1158,  1178,  1198,
+         1218,  1242,  1266,  1290,  1314,  1338,  1362,  1386,
+         1411,  1435,  1463,  1491,  1519,  1547,  1575,  1603,
+         1631,  1663,  1695,  1727,  1759,  1791,  1823,  1859,
+         1895,  1931,  1967,  2003,  2039,  2079,  2119,  2159,
+         2199,  2239,  2283,  2327,  2371,  2415,  2459,  2507,
+         2555,  2603,  2651,  2703,  2755,  2807,  2859,  2915,
+         2971,  3027,  3083,  3143,  3203,  3263,  3327,  3391,
+         3455,  3523,  3591,  3659,  3731,  3803,  3876,  3952,
+         4028,  4104,  4184,  4264,  4348,  4432,  4516,  4604,
+         4692,  4784,  4876,  4972,  5068,  5168,  5268,  5372,
+         5476,  5584,  5692,  5804,  5916,  6032,  6148,  6268,
+         6388,  6512,  6640,  6768,  6900,  7036,  7172,  7312,
+    }, {
+            4,    13,    19,    27,    35,    44,    54,    64,
+           75,    87,    99,   112,   126,   139,   154,   168,
+          183,   199,   214,   230,   247,   263,   280,   297,
+          314,   331,   349,   366,   384,   402,   420,   438,
+          456,   475,   493,   511,   530,   548,   567,   586,
+          604,   623,   642,   660,   679,   698,   716,   735,
+          753,   772,   791,   809,   828,   846,   865,   884,
+          902,   920,   939,   957,   976,   994,  1012,  1030,
+         1049,  1067,  1085,  1103,  1121,  1139,  1157,  1175,
+         1193,  1211,  1229,  1246,  1264,  1282,  1299,  1317,
+         1335,  1352,  1370,  1387,  1405,  1422,  1440,  1457,
+         1474,  1491,  1509,  1526,  1543,  1560,  1577,  1595,
+         1627,  1660,  1693,  1725,  1758,  1791,  1824,  1856,
+         1889,  1922,  1954,  1987,  2020,  2052,  2085,  2118,
+         2150,  2183,  2216,  2248,  2281,  2313,  2346,  2378,
+         2411,  2459,  2508,  2556,  2605,  2653,  2701,  2750,
+         2798,  2847,  2895,  2943,  2992,  3040,  3088,  3137,
+         3185,  3234,  3298,  3362,  3426,  3491,  3555,  3619,
+         3684,  3748,  3812,  3876,  3941,  4005,  4069,  4149,
+         4230,  4310,  4390,  4470,  4550,  4631,  4711,  4791,
+         4871,  4967,  5064,  5160,  5256,  5352,  5448,  5544,
+         5641,  5737,  5849,  5961,  6073,  6185,  6297,  6410,
+         6522,  6650,  6778,  6906,  7034,  7162,  7290,  7435,
+         7579,  7723,  7867,  8011,  8155,  8315,  8475,  8635,
+         8795,  8956,  9132,  9308,  9484,  9660,  9836, 10028,
+        10220, 10412, 10604, 10812, 11020, 11228, 11437, 11661,
+        11885, 12109, 12333, 12573, 12813, 13053, 13309, 13565,
+        13821, 14093, 14365, 14637, 14925, 15213, 15502, 15806,
+        16110, 16414, 16734, 17054, 17390, 17726, 18062, 18414,
+        18766, 19134, 19502, 19886, 20270, 20670, 21070, 21486,
+        21902, 22334, 22766, 23214, 23662, 24126, 24590, 25070,
+        25551, 26047, 26559, 27071, 27599, 28143, 28687, 29247,
+    }
+};
+
+const enum TxfmType ff_vp9_intra_txfm_type[14] = {
+    [VERT_PRED]            = ADST_DCT,
+    [HOR_PRED]             = DCT_ADST,
+    [DC_PRED]              = DCT_DCT,
+    [DIAG_DOWN_LEFT_PRED]  = DCT_DCT,
+    [DIAG_DOWN_RIGHT_PRED] = ADST_ADST,
+    [VERT_RIGHT_PRED]      = ADST_DCT,
+    [HOR_DOWN_PRED]        = DCT_ADST,
+    [VERT_LEFT_PRED]       = ADST_DCT,
+    [HOR_UP_PRED]          = DCT_ADST,
+    [TM_VP8_PRED]          = ADST_ADST,
+    [NEARESTMV]            = DCT_DCT,
+    [NEARMV]               = DCT_DCT,
+    [ZEROMV]               = DCT_DCT,
+    [NEWMV]                = DCT_DCT,
+};
+
+const int16_t ff_vp9_default_scan_4x4[16] = {
+     0,  1,  4,  5,
+     2,  8,  3,  6,
+    12,  9,  7, 10,
+    13, 11, 14, 15,
+};
+
+const int16_t ff_vp9_col_scan_4x4[16] = {
+     0,  1,  2,  4,
+     3,  5,  6,  8,
+     7,  9, 10, 12,
+    13, 11, 14, 15,
+};
+
+const int16_t ff_vp9_row_scan_4x4[16] = {
+     0,  4,  1,  8,
+     5, 12,  9,  2,
+     6, 13,  3, 10,
+     7, 14, 11, 15,
+};
+
+const int16_t ff_vp9_default_scan_8x8[64] = {
+     0,  1,  8,  2,  9, 16, 10,  3,
+    17, 24, 18, 11,  4, 25, 32, 19,
+    12, 26,  5, 33, 20, 27, 40, 13,
+    34,  6, 41, 28, 21, 35, 42, 48,
+    14,  7, 36, 29, 43, 56, 49, 22,
+    15, 37, 50, 44, 57, 30, 23, 51,
+    45, 58, 38, 31, 52, 59, 39, 46,
+    53, 60, 47, 54, 61, 55, 62, 63,
+};
+
+const int16_t ff_vp9_col_scan_8x8[64] = {
+     0,  1,  2,  8,  3,  9,  4, 10,
+    16,  5, 11, 17, 12, 18,  6, 24,
+    19, 13, 25,  7, 26, 20, 32, 14,
+    27, 21, 33, 28, 34, 15, 22, 35,
+    40, 29, 41, 36, 23, 30, 42, 37,
+    48, 43, 31, 44, 49, 38, 50, 56,
+    45, 39, 51, 57, 52, 46, 58, 53,
+    59, 47, 60, 54, 61, 55, 62, 63,
+};
+
+const int16_t ff_vp9_row_scan_8x8[64] = {
+     0,  8, 16,  1,  9, 24,  2, 17,
+    32, 10, 25,  3, 40, 18, 11, 33,
+    26, 19,  4, 48, 41, 34, 12, 27,
+    56, 20,  5, 42, 35, 13, 49, 28,
+     6, 21, 43, 36, 14, 50, 29, 57,
+     7, 44, 22, 37, 51, 15, 58, 30,
+    23, 45, 52, 38, 59, 31, 46, 53,
+    39, 60, 47, 61, 54, 62, 55, 63,
+};
+
+const int16_t ff_vp9_default_scan_16x16[256] = {
+      0,   1,  16,   2,  17,  32,   3,  18,  33,  48,   4,  34,  19,  49,  20,   5,
+     35,  64,  50,  36,  65,  21,   6,  51,  80,  66,  37,  22,  52,   7,  81,  67,
+     38,  82,  53,  23,  96,  68,   8,  83,  97,  54,  39,  69, 112,  24,  98,  84,
+     70,  55,   9,  40,  85,  99, 113, 128,  25, 114, 100,  71,  86,  56,  10,  41,
+    115, 101, 129, 116,  72,  87,  26, 130, 144, 102,  57,  11,  42, 117, 131, 145,
+     88, 103,  27,  73, 132, 118, 146,  58, 160,  12,  43, 133, 147, 104,  89, 119,
+    161,  74, 148, 134,  28, 162,  59,  13, 176, 120, 149,  90, 135, 105, 163,  44,
+     75, 177, 164,  29, 150, 121, 136, 178, 165,  14, 106,  60,  91, 151,  45, 179,
+    192, 137, 166, 122,  76, 180, 152,  30,  61,  15, 107, 167, 181, 193,  92, 208,
+     46, 138, 123, 153, 194,  77, 168, 182,  31, 195, 209, 183, 108, 139,  62, 154,
+     47, 196,  93, 169, 210, 197, 224, 124, 184, 211,  78, 109, 170, 155,  63, 198,
+    212, 185, 225, 240, 140,  94, 199, 125,  79, 213, 226, 171, 186, 156, 214, 200,
+    110, 227, 141,  95, 241, 215, 228, 201, 126, 242, 187, 172, 157, 229, 111, 216,
+    243, 142, 202, 230, 127, 217, 244, 173, 188, 231, 158, 203, 143, 245, 218, 232,
+    189, 246, 159, 174, 233, 247, 219, 204, 175, 190, 248, 234, 205, 220, 249, 191,
+    235, 221, 250, 206, 222, 251, 236, 207, 237, 223, 252, 238, 253, 239, 254, 255,
+};
+
+const int16_t ff_vp9_col_scan_16x16[256] = {
+      0,   1,   2,   3,  16,   4,  17,   5,  18,   6,  19,  32,  20,   7,  33,  21,
+     34,   8,  35,  22,  48,  36,   9,  49,  23,  50,  37,  10,  38,  51,  24,  64,
+     52,  11,  65,  39,  25,  53,  66,  54,  40,  67,  12,  80,  26,  68,  55,  81,
+     41,  69,  13,  27,  82,  56,  70,  83,  42,  14,  84,  96,  71,  28,  57,  85,
+     97,  15,  72,  98,  43,  86,  58,  99,  29,  87, 100, 112,  73,  44, 101,  59,
+     30, 113,  88, 114,  74, 128, 102,  45,  31, 115,  60, 103,  89, 116,  75, 129,
+    117,  46, 104,  90,  61, 130, 118, 131, 132, 105,  76,  47, 119, 144,  91,  62,
+    133, 106, 145, 120, 146, 134,  77, 147, 121,  92, 135, 148,  63, 107, 136, 122,
+     93, 149, 160,  78, 150, 137, 108, 161, 162, 151, 123,  79, 138, 163, 152,  94,
+    164, 109, 165, 153, 124, 139, 176, 166,  95, 177, 167, 110, 154, 178, 125, 179,
+    140, 168, 155, 111, 180, 192, 181, 169, 141, 126, 182, 193, 194, 156, 183, 170,
+    195, 127, 142, 196, 184, 208, 197, 157, 171, 143, 185, 198, 209, 199, 210, 172,
+    158, 186, 211, 224, 212, 200, 240, 159, 213, 225, 187, 201, 173, 226, 214, 215,
+    227, 202, 228, 188, 241, 216, 174, 229, 242, 203, 243, 217, 230, 175, 189, 244,
+    231, 204, 218, 232, 245, 219, 246, 190, 233, 205, 191, 247, 234, 248, 220, 206,
+    249, 235, 221, 207, 250, 236, 222, 251, 223, 237, 238, 252, 239, 253, 254, 255,
+};
+
+const int16_t ff_vp9_row_scan_16x16[256] = {
+      0,  16,  32,   1,  48,  17,  64,  33,   2,  80,  18,  49,  96,  34,   3,  65,
+     19, 112,  50,  81,  35,   4, 128,  66,  20,  97,  51,  82,   5, 144,  36,  67,
+    113,  98,  21,  52, 160,  83, 129,  37,  68,   6, 114, 176,  99,  53,  22,  84,
+    145,  38,  69, 130,   7, 115, 192, 100,  54,  23,  85, 161, 146, 131,  39,  70,
+    208, 116,   8, 101, 177,  55,  86,  24, 162, 147, 132,  71, 224, 117,  40, 102,
+      9, 148,  56,  87, 193, 163, 240, 133, 178,  25, 118,  72,  41, 103, 164,  10,
+    149,  88, 134, 209, 179,  57, 119, 194,  26,  73, 165, 150, 104,  42, 135,  11,
+    180, 120,  89, 225, 195,  58,  27, 210, 151, 181, 166,  74,  43, 105,  12, 136,
+     90,  59, 241, 121,  28, 196, 167, 211, 152,  44, 182, 137,  75,  13, 226, 106,
+    122,  60, 197,  91, 168,  29, 183, 153,  14,  76, 212, 138,  45, 107,  15, 198,
+     92, 227, 169,  30, 123, 154,  61, 242, 184, 213, 139,  46,  77,  31, 108, 170,
+    199, 185, 124, 228,  93, 155, 214,  62, 140, 243,  78,  47, 200, 109, 186, 171,
+    201,  94,  63, 215, 229, 156,  79, 125, 141, 110, 216, 187, 172, 244, 202, 230,
+    217,  95, 157, 126, 245, 111, 142, 231, 188, 127, 158, 218, 173, 232, 246, 233,
+    203, 143, 247, 174, 189, 159, 219, 204, 248, 234, 249, 175, 190, 220, 205, 250,
+    235, 191, 221, 251, 236, 206, 252, 222, 207, 237, 223, 253, 238, 254, 239, 255,
+};
+
+const int16_t ff_vp9_default_scan_32x32[1024] = {
+       0,    1,   32,    2,   33,   64,    3,   34,   65,    4,   96,   35,   66,    5,   36,   97,   67,  128,   98,   68,   37,    6,  129,   99,    7,  160,   69,   38,  130,  100,  161,  131,
+      39,   70,    8,  101,  162,  132,  192,   71,   40,    9,  102,  163,  133,  193,   72,  224,  103,   41,  164,   10,  194,  134,  165,   73,  104,  135,  225,   42,  195,   11,  256,  166,
+     226,  196,   74,  105,  136,   43,   12,  167,  197,  227,  257,   75,  106,  137,  228,   44,  198,  168,  258,  288,   13,  229,   76,  107,  199,  138,  259,  169,  289,   45,  230,  260,
+     200,  108,   14,  170,  139,  320,  290,   77,  231,  261,   46,  201,  140,  291,  109,  232,  321,  262,  171,   78,  292,   15,  322,  202,  263,  352,  172,  293,  233,  141,  323,  110,
+      47,  203,  264,  234,  294,  353,  324,   16,   79,  204,  265,  295,  325,  173,  354,  142,  235,  384,   48,  296,  111,  266,  355,  326,   80,   17,  205,  236,  174,  356,  385,  327,
+     143,  297,  267,  357,  386,  112,   49,  328,  298,  206,  416,  237,  358,  387,   81,  175,   18,  329,  359,  388,  299,  330,  389,  113,  417,  238,  360,   50,  207,  418,  390,  331,
+      19,  448,  361,   82,  419,  391,  239,   51,  362,  420,  114,  449,  480,  421,   83,  363,  450,  422,  512,  451,  423,  115,  452,  481,  453,  482,  454,  544,  483,  455,  513,  484,
+     514,  485,  515,  486,  545,  576,  487,  546,  547,  608,  577,  578,  579,  609,  610,  611,   20,  144,  268,  392,  516,  640,   21,   52,  145,  176,  269,  300,  393,  424,  517,  548,
+     641,  672,   22,   53,   84,  146,  177,  208,  270,  301,  332,  394,  425,  456,  518,  549,  580,  642,  673,  704,   23,   54,   85,  116,  147,  178,  209,  240,  271,  302,  333,  364,
+     395,  426,  457,  488,  519,  550,  581,  612,  643,  674,  705,  736,   55,   86,  117,  179,  210,  241,  303,  334,  365,  427,  458,  489,  551,  582,  613,  675,  706,  737,   87,  118,
+     211,  242,  335,  366,  459,  490,  583,  614,  707,  738,  119,  243,  367,  491,  615,  739,   24,  148,  272,  396,  520,  644,  768,   25,   56,  149,  180,  273,  304,  397,  428,  521,
+     552,  645,  676,  769,  800,   26,   57,   88,  150,  181,  212,  274,  305,  336,  398,  429,  460,  522,  553,  584,  646,  677,  708,  770,  801,  832,   27,   58,   89,  120,  151,  182,
+     213,  244,  275,  306,  337,  368,  399,  430,  461,  492,  523,  554,  585,  616,  647,  678,  709,  740,  771,  802,  833,  864,   59,   90,  121,  183,  214,  245,  307,  338,  369,  431,
+     462,  493,  555,  586,  617,  679,  710,  741,  803,  834,  865,   91,  122,  215,  246,  339,  370,  463,  494,  587,  618,  711,  742,  835,  866,  123,  247,  371,  495,  619,  743,  867,
+      28,  152,  276,  400,  524,  648,  772,  896,   29,   60,  153,  184,  277,  308,  401,  432,  525,  556,  649,  680,  773,  804,  897,  928,   30,   61,   92,  154,  185,  216,  278,  309,
+     340,  402,  433,  464,  526,  557,  588,  650,  681,  712,  774,  805,  836,  898,  929,  960,   31,   62,   93,  124,  155,  186,  217,  248,  279,  310,  341,  372,  403,  434,  465,  496,
+     527,  558,  589,  620,  651,  682,  713,  744,  775,  806,  837,  868,  899,  930,  961,  992,   63,   94,  125,  187,  218,  249,  311,  342,  373,  435,  466,  497,  559,  590,  621,  683,
+     714,  745,  807,  838,  869,  931,  962,  993,   95,  126,  219,  250,  343,  374,  467,  498,  591,  622,  715,  746,  839,  870,  963,  994,  127,  251,  375,  499,  623,  747,  871,  995,
+     156,  280,  404,  528,  652,  776,  900,  157,  188,  281,  312,  405,  436,  529,  560,  653,  684,  777,  808,  901,  932,  158,  189,  220,  282,  313,  344,  406,  437,  468,  530,  561,
+     592,  654,  685,  716,  778,  809,  840,  902,  933,  964,  159,  190,  221,  252,  283,  314,  345,  376,  407,  438,  469,  500,  531,  562,  593,  624,  655,  686,  717,  748,  779,  810,
+     841,  872,  903,  934,  965,  996,  191,  222,  253,  315,  346,  377,  439,  470,  501,  563,  594,  625,  687,  718,  749,  811,  842,  873,  935,  966,  997,  223,  254,  347,  378,  471,
+     502,  595,  626,  719,  750,  843,  874,  967,  998,  255,  379,  503,  627,  751,  875,  999,  284,  408,  532,  656,  780,  904,  285,  316,  409,  440,  533,  564,  657,  688,  781,  812,
+     905,  936,  286,  317,  348,  410,  441,  472,  534,  565,  596,  658,  689,  720,  782,  813,  844,  906,  937,  968,  287,  318,  349,  380,  411,  442,  473,  504,  535,  566,  597,  628,
+     659,  690,  721,  752,  783,  814,  845,  876,  907,  938,  969, 1000,  319,  350,  381,  443,  474,  505,  567,  598,  629,  691,  722,  753,  815,  846,  877,  939,  970, 1001,  351,  382,
+     475,  506,  599,  630,  723,  754,  847,  878,  971, 1002,  383,  507,  631,  755,  879, 1003,  412,  536,  660,  784,  908,  413,  444,  537,  568,  661,  692,  785,  816,  909,  940,  414,
+     445,  476,  538,  569,  600,  662,  693,  724,  786,  817,  848,  910,  941,  972,  415,  446,  477,  508,  539,  570,  601,  632,  663,  694,  725,  756,  787,  818,  849,  880,  911,  942,
+     973, 1004,  447,  478,  509,  571,  602,  633,  695,  726,  757,  819,  850,  881,  943,  974, 1005,  479,  510,  603,  634,  727,  758,  851,  882,  975, 1006,  511,  635,  759,  883, 1007,
+     540,  664,  788,  912,  541,  572,  665,  696,  789,  820,  913,  944,  542,  573,  604,  666,  697,  728,  790,  821,  852,  914,  945,  976,  543,  574,  605,  636,  667,  698,  729,  760,
+     791,  822,  853,  884,  915,  946,  977, 1008,  575,  606,  637,  699,  730,  761,  823,  854,  885,  947,  978, 1009,  607,  638,  731,  762,  855,  886,  979, 1010,  639,  763,  887, 1011,
+     668,  792,  916,  669,  700,  793,  824,  917,  948,  670,  701,  732,  794,  825,  856,  918,  949,  980,  671,  702,  733,  764,  795,  826,  857,  888,  919,  950,  981, 1012,  703,  734,
+     765,  827,  858,  889,  951,  982, 1013,  735,  766,  859,  890,  983, 1014,  767,  891, 1015,  796,  920,  797,  828,  921,  952,  798,  829,  860,  922,  953,  984,  799,  830,  861,  892,
+     923,  954,  985, 1016,  831,  862,  893,  955,  986, 1017,  863,  894,  987, 1018,  895, 1019,  924,  925,  956,  926,  957,  988,  927,  958,  989, 1020,  959,  990, 1021,  991, 1022, 1023,
+};
+
+const int16_t * const ff_vp9_scans[5][4] = {
+    {
+        ff_vp9_default_scan_4x4, ff_vp9_col_scan_4x4,
+        ff_vp9_row_scan_4x4, ff_vp9_default_scan_4x4
+    }, {
+        ff_vp9_default_scan_8x8, ff_vp9_col_scan_8x8,
+        ff_vp9_row_scan_8x8, ff_vp9_default_scan_8x8
+    }, {
+        ff_vp9_default_scan_16x16, ff_vp9_col_scan_16x16,
+        ff_vp9_row_scan_16x16, ff_vp9_default_scan_16x16
+    }, {
+        ff_vp9_default_scan_32x32, ff_vp9_default_scan_32x32,
+        ff_vp9_default_scan_32x32, ff_vp9_default_scan_32x32
+    }, { // lossless
+        ff_vp9_default_scan_4x4, ff_vp9_default_scan_4x4,
+        ff_vp9_default_scan_4x4, ff_vp9_default_scan_4x4
+    }
+};
+
+const int16_t ff_vp9_default_scan_4x4_nb[16][2] = {
+    {  0,  0 }, {  0,  0 }, {  4,  1 }, {  1,  1 },
+    {  4,  4 }, {  2,  2 }, {  5,  2 }, {  8,  8 },
+    {  8,  5 }, {  6,  3 }, {  9,  6 }, { 12,  9 },
+    { 10,  7 }, { 13, 10 }, { 14, 11 }, {  0,  0 },
+};
+
+const int16_t ff_vp9_col_scan_4x4_nb[16][2] = {
+    {  0,  0 }, {  1,  1 }, {  0,  0 }, {  2,  2 },
+    {  4,  4 }, {  5,  5 }, {  4,  4 }, {  6,  6 },
+    {  8,  8 }, {  9,  9 }, {  8,  8 }, { 12, 12 },
+    { 10, 10 }, { 13, 13 }, { 14, 14 }, {  0,  0 },
+};
+
+const int16_t ff_vp9_row_scan_4x4_nb[16][2] = {
+    {  0,  0 }, {  0,  0 }, {  4,  4 }, {  1,  1 },
+    {  8,  8 }, {  5,  5 }, {  1,  1 }, {  2,  2 },
+    {  9,  9 }, {  2,  2 }, {  6,  6 }, {  3,  3 },
+    { 10, 10 }, {  7,  7 }, { 11, 11 }, {  0,  0 },
+};
+
+const int16_t ff_vp9_default_scan_8x8_nb[64][2] = {
+    {  0,  0 }, {  0,  0 }, {  1,  1 }, {  8,  1 },
+    {  8,  8 }, {  9,  2 }, {  2,  2 }, { 16,  9 },
+    { 16, 16 }, { 17, 10 }, { 10,  3 }, {  3,  3 },
+    { 24, 17 }, { 24, 24 }, { 18, 11 }, { 11,  4 },
+    { 25, 18 }, {  4,  4 }, { 32, 25 }, { 19, 12 },
+    { 26, 19 }, { 32, 32 }, { 12,  5 }, { 33, 26 },
+    {  5,  5 }, { 40, 33 }, { 27, 20 }, { 20, 13 },
+    { 34, 27 }, { 41, 34 }, { 40, 40 }, { 13,  6 },
+    {  6,  6 }, { 35, 28 }, { 28, 21 }, { 42, 35 },
+    { 48, 48 }, { 48, 41 }, { 21, 14 }, { 14,  7 },
+    { 36, 29 }, { 49, 42 }, { 43, 36 }, { 56, 49 },
+    { 29, 22 }, { 22, 15 }, { 50, 43 }, { 44, 37 },
+    { 57, 50 }, { 37, 30 }, { 30, 23 }, { 51, 44 },
+    { 58, 51 }, { 38, 31 }, { 45, 38 }, { 52, 45 },
+    { 59, 52 }, { 46, 39 }, { 53, 46 }, { 60, 53 },
+    { 54, 47 }, { 61, 54 }, { 62, 55 }, {  0,  0 },
+};
+
+const int16_t ff_vp9_col_scan_8x8_nb[64][2] = {
+    {  0,  0 }, {  1,  1 }, {  0,  0 }, {  2,  2 },
+    {  8,  8 }, {  3,  3 }, {  9,  9 }, {  8,  8 },
+    {  4,  4 }, { 10, 10 }, { 16, 16 }, { 11, 11 },
+    { 17, 17 }, {  5,  5 }, { 16, 16 }, { 18, 18 },
+    { 12, 12 }, { 24, 24 }, {  6,  6 }, { 25, 25 },
+    { 19, 19 }, { 24, 24 }, { 13, 13 }, { 26, 26 },
+    { 20, 20 }, { 32, 32 }, { 27, 27 }, { 33, 33 },
+    { 14, 14 }, { 21, 21 }, { 34, 34 }, { 32, 32 },
+    { 28, 28 }, { 40, 40 }, { 35, 35 }, { 22, 22 },
+    { 29, 29 }, { 41, 41 }, { 36, 36 }, { 40, 40 },
+    { 42, 42 }, { 30, 30 }, { 43, 43 }, { 48, 48 },
+    { 37, 37 }, { 49, 49 }, { 48, 48 }, { 44, 44 },
+    { 38, 38 }, { 50, 50 }, { 56, 56 }, { 51, 51 },
+    { 45, 45 }, { 57, 57 }, { 52, 52 }, { 58, 58 },
+    { 46, 46 }, { 59, 59 }, { 53, 53 }, { 60, 60 },
+    { 54, 54 }, { 61, 61 }, { 62, 62 }, {  0,  0 },
+};
+
+const int16_t ff_vp9_row_scan_8x8_nb[64][2] = {
+    {  0,  0 }, {  8,  8 }, {  0,  0 }, {  1,  1 },
+    { 16, 16 }, {  1,  1 }, {  9,  9 }, { 24, 24 },
+    {  2,  2 }, { 17, 17 }, {  2,  2 }, { 32, 32 },
+    { 10, 10 }, {  3,  3 }, { 25, 25 }, { 18, 18 },
+    { 11, 11 }, {  3,  3 }, { 40, 40 }, { 33, 33 },
+    { 26, 26 }, {  4,  4 }, { 19, 19 }, { 48, 48 },
+    { 12, 12 }, {  4,  4 }, { 34, 34 }, { 27, 27 },
+    {  5,  5 }, { 41, 41 }, { 20, 20 }, {  5,  5 },
+    { 13, 13 }, { 35, 35 }, { 28, 28 }, {  6,  6 },
+    { 42, 42 }, { 21, 21 }, { 49, 49 }, {  6,  6 },
+    { 36, 36 }, { 14, 14 }, { 29, 29 }, { 43, 43 },
+    {  7,  7 }, { 50, 50 }, { 22, 22 }, { 15, 15 },
+    { 37, 37 }, { 44, 44 }, { 30, 30 }, { 51, 51 },
+    { 23, 23 }, { 38, 38 }, { 45, 45 }, { 31, 31 },
+    { 52, 52 }, { 39, 39 }, { 53, 53 }, { 46, 46 },
+    { 54, 54 }, { 47, 47 }, { 55, 55 }, {  0,  0 },
+};
+
+const int16_t ff_vp9_default_scan_16x16_nb[256][2] = {
+    {   0,   0 }, {   0,   0 }, {   1,   1 }, {  16,   1 },
+    {  16,  16 }, {   2,   2 }, {  17,   2 }, {  32,  17 },
+    {  32,  32 }, {   3,   3 }, {  33,  18 }, {  18,   3 },
+    {  48,  33 }, {  19,   4 }, {   4,   4 }, {  34,  19 },
+    {  48,  48 }, {  49,  34 }, {  35,  20 }, {  64,  49 },
+    {  20,   5 }, {   5,   5 }, {  50,  35 }, {  64,  64 },
+    {  65,  50 }, {  36,  21 }, {  21,   6 }, {  51,  36 },
+    {   6,   6 }, {  80,  65 }, {  66,  51 }, {  37,  22 },
+    {  81,  66 }, {  52,  37 }, {  22,   7 }, {  80,  80 },
+    {  67,  52 }, {   7,   7 }, {  82,  67 }, {  96,  81 },
+    {  53,  38 }, {  38,  23 }, {  68,  53 }, {  96,  96 },
+    {  23,   8 }, {  97,  82 }, {  83,  68 }, {  69,  54 },
+    {  54,  39 }, {   8,   8 }, {  39,  24 }, {  84,  69 },
+    {  98,  83 }, { 112,  97 }, { 112, 112 }, {  24,   9 },
+    { 113,  98 }, {  99,  84 }, {  70,  55 }, {  85,  70 },
+    {  55,  40 }, {   9,   9 }, {  40,  25 }, { 114,  99 },
+    { 100,  85 }, { 128, 113 }, { 115, 100 }, {  71,  56 },
+    {  86,  71 }, {  25,  10 }, { 129, 114 }, { 128, 128 },
+    { 101,  86 }, {  56,  41 }, {  10,  10 }, {  41,  26 },
+    { 116, 101 }, { 130, 115 }, { 144, 129 }, {  87,  72 },
+    { 102,  87 }, {  26,  11 }, {  72,  57 }, { 131, 116 },
+    { 117, 102 }, { 145, 130 }, {  57,  42 }, { 144, 144 },
+    {  11,  11 }, {  42,  27 }, { 132, 117 }, { 146, 131 },
+    { 103,  88 }, {  88,  73 }, { 118, 103 }, { 160, 145 },
+    {  73,  58 }, { 147, 132 }, { 133, 118 }, {  27,  12 },
+    { 161, 146 }, {  58,  43 }, {  12,  12 }, { 160, 160 },
+    { 119, 104 }, { 148, 133 }, {  89,  74 }, { 134, 119 },
+    { 104,  89 }, { 162, 147 }, {  43,  28 }, {  74,  59 },
+    { 176, 161 }, { 163, 148 }, {  28,  13 }, { 149, 134 },
+    { 120, 105 }, { 135, 120 }, { 177, 162 }, { 164, 149 },
+    {  13,  13 }, { 105,  90 }, {  59,  44 }, {  90,  75 },
+    { 150, 135 }, {  44,  29 }, { 178, 163 }, { 176, 176 },
+    { 136, 121 }, { 165, 150 }, { 121, 106 }, {  75,  60 },
+    { 179, 164 }, { 151, 136 }, {  29,  14 }, {  60,  45 },
+    {  14,  14 }, { 106,  91 }, { 166, 151 }, { 180, 165 },
+    { 192, 177 }, {  91,  76 }, { 192, 192 }, {  45,  30 },
+    { 137, 122 }, { 122, 107 }, { 152, 137 }, { 193, 178 },
+    {  76,  61 }, { 167, 152 }, { 181, 166 }, {  30,  15 },
+    { 194, 179 }, { 208, 193 }, { 182, 167 }, { 107,  92 },
+    { 138, 123 }, {  61,  46 }, { 153, 138 }, {  46,  31 },
+    { 195, 180 }, {  92,  77 }, { 168, 153 }, { 209, 194 },
+    { 196, 181 }, { 208, 208 }, { 123, 108 }, { 183, 168 },
+    { 210, 195 }, {  77,  62 }, { 108,  93 }, { 169, 154 },
+    { 154, 139 }, {  62,  47 }, { 197, 182 }, { 211, 196 },
+    { 184, 169 }, { 224, 209 }, { 224, 224 }, { 139, 124 },
+    {  93,  78 }, { 198, 183 }, { 124, 109 }, {  78,  63 },
+    { 212, 197 }, { 225, 210 }, { 170, 155 }, { 185, 170 },
+    { 155, 140 }, { 213, 198 }, { 199, 184 }, { 109,  94 },
+    { 226, 211 }, { 140, 125 }, {  94,  79 }, { 240, 225 },
+    { 214, 199 }, { 227, 212 }, { 200, 185 }, { 125, 110 },
+    { 241, 226 }, { 186, 171 }, { 171, 156 }, { 156, 141 },
+    { 228, 213 }, { 110,  95 }, { 215, 200 }, { 242, 227 },
+    { 141, 126 }, { 201, 186 }, { 229, 214 }, { 126, 111 },
+    { 216, 201 }, { 243, 228 }, { 172, 157 }, { 187, 172 },
+    { 230, 215 }, { 157, 142 }, { 202, 187 }, { 142, 127 },
+    { 244, 229 }, { 217, 202 }, { 231, 216 }, { 188, 173 },
+    { 245, 230 }, { 158, 143 }, { 173, 158 }, { 232, 217 },
+    { 246, 231 }, { 218, 203 }, { 203, 188 }, { 174, 159 },
+    { 189, 174 }, { 247, 232 }, { 233, 218 }, { 204, 189 },
+    { 219, 204 }, { 248, 233 }, { 190, 175 }, { 234, 219 },
+    { 220, 205 }, { 249, 234 }, { 205, 190 }, { 221, 206 },
+    { 250, 235 }, { 235, 220 }, { 206, 191 }, { 236, 221 },
+    { 222, 207 }, { 251, 236 }, { 237, 222 }, { 252, 237 },
+    { 238, 223 }, { 253, 238 }, { 254, 239 }, {   0,   0 },
+};
+
+const int16_t ff_vp9_col_scan_16x16_nb[256][2] = {
+    {   0,   0 }, {   1,   1 }, {   2,   2 }, {   0,   0 },
+    {   3,   3 }, {  16,  16 }, {   4,   4 }, {  17,  17 },
+    {   5,   5 }, {  18,  18 }, {  16,  16 }, {  19,  19 },
+    {   6,   6 }, {  32,  32 }, {  20,  20 }, {  33,  33 },
+    {   7,   7 }, {  34,  34 }, {  21,  21 }, {  32,  32 },
+    {  35,  35 }, {   8,   8 }, {  48,  48 }, {  22,  22 },
+    {  49,  49 }, {  36,  36 }, {   9,   9 }, {  37,  37 },
+    {  50,  50 }, {  23,  23 }, {  48,  48 }, {  51,  51 },
+    {  10,  10 }, {  64,  64 }, {  38,  38 }, {  24,  24 },
+    {  52,  52 }, {  65,  65 }, {  53,  53 }, {  39,  39 },
+    {  66,  66 }, {  11,  11 }, {  64,  64 }, {  25,  25 },
+    {  67,  67 }, {  54,  54 }, {  80,  80 }, {  40,  40 },
+    {  68,  68 }, {  12,  12 }, {  26,  26 }, {  81,  81 },
+    {  55,  55 }, {  69,  69 }, {  82,  82 }, {  41,  41 },
+    {  13,  13 }, {  83,  83 }, {  80,  80 }, {  70,  70 },
+    {  27,  27 }, {  56,  56 }, {  84,  84 }, {  96,  96 },
+    {  14,  14 }, {  71,  71 }, {  97,  97 }, {  42,  42 },
+    {  85,  85 }, {  57,  57 }, {  98,  98 }, {  28,  28 },
+    {  86,  86 }, {  99,  99 }, {  96,  96 }, {  72,  72 },
+    {  43,  43 }, { 100, 100 }, {  58,  58 }, {  29,  29 },
+    { 112, 112 }, {  87,  87 }, { 113, 113 }, {  73,  73 },
+    { 112, 112 }, { 101, 101 }, {  44,  44 }, {  30,  30 },
+    { 114, 114 }, {  59,  59 }, { 102, 102 }, {  88,  88 },
+    { 115, 115 }, {  74,  74 }, { 128, 128 }, { 116, 116 },
+    {  45,  45 }, { 103, 103 }, {  89,  89 }, {  60,  60 },
+    { 129, 129 }, { 117, 117 }, { 130, 130 }, { 131, 131 },
+    { 104, 104 }, {  75,  75 }, {  46,  46 }, { 118, 118 },
+    { 128, 128 }, {  90,  90 }, {  61,  61 }, { 132, 132 },
+    { 105, 105 }, { 144, 144 }, { 119, 119 }, { 145, 145 },
+    { 133, 133 }, {  76,  76 }, { 146, 146 }, { 120, 120 },
+    {  91,  91 }, { 134, 134 }, { 147, 147 }, {  62,  62 },
+    { 106, 106 }, { 135, 135 }, { 121, 121 }, {  92,  92 },
+    { 148, 148 }, { 144, 144 }, {  77,  77 }, { 149, 149 },
+    { 136, 136 }, { 107, 107 }, { 160, 160 }, { 161, 161 },
+    { 150, 150 }, { 122, 122 }, {  78,  78 }, { 137, 137 },
+    { 162, 162 }, { 151, 151 }, {  93,  93 }, { 163, 163 },
+    { 108, 108 }, { 164, 164 }, { 152, 152 }, { 123, 123 },
+    { 138, 138 }, { 160, 160 }, { 165, 165 }, {  94,  94 },
+    { 176, 176 }, { 166, 166 }, { 109, 109 }, { 153, 153 },
+    { 177, 177 }, { 124, 124 }, { 178, 178 }, { 139, 139 },
+    { 167, 167 }, { 154, 154 }, { 110, 110 }, { 179, 179 },
+    { 176, 176 }, { 180, 180 }, { 168, 168 }, { 140, 140 },
+    { 125, 125 }, { 181, 181 }, { 192, 192 }, { 193, 193 },
+    { 155, 155 }, { 182, 182 }, { 169, 169 }, { 194, 194 },
+    { 126, 126 }, { 141, 141 }, { 195, 195 }, { 183, 183 },
+    { 192, 192 }, { 196, 196 }, { 156, 156 }, { 170, 170 },
+    { 142, 142 }, { 184, 184 }, { 197, 197 }, { 208, 208 },
+    { 198, 198 }, { 209, 209 }, { 171, 171 }, { 157, 157 },
+    { 185, 185 }, { 210, 210 }, { 208, 208 }, { 211, 211 },
+    { 199, 199 }, { 224, 224 }, { 158, 158 }, { 212, 212 },
+    { 224, 224 }, { 186, 186 }, { 200, 200 }, { 172, 172 },
+    { 225, 225 }, { 213, 213 }, { 214, 214 }, { 226, 226 },
+    { 201, 201 }, { 227, 227 }, { 187, 187 }, { 240, 240 },
+    { 215, 215 }, { 173, 173 }, { 228, 228 }, { 241, 241 },
+    { 202, 202 }, { 242, 242 }, { 216, 216 }, { 229, 229 },
+    { 174, 174 }, { 188, 188 }, { 243, 243 }, { 230, 230 },
+    { 203, 203 }, { 217, 217 }, { 231, 231 }, { 244, 244 },
+    { 218, 218 }, { 245, 245 }, { 189, 189 }, { 232, 232 },
+    { 204, 204 }, { 190, 190 }, { 246, 246 }, { 233, 233 },
+    { 247, 247 }, { 219, 219 }, { 205, 205 }, { 248, 248 },
+    { 234, 234 }, { 220, 220 }, { 206, 206 }, { 249, 249 },
+    { 235, 235 }, { 221, 221 }, { 250, 250 }, { 222, 222 },
+    { 236, 236 }, { 237, 237 }, { 251, 251 }, { 238, 238 },
+    { 252, 252 }, { 253, 253 }, { 254, 254 }, {   0,   0 },
+};
+
+const int16_t ff_vp9_row_scan_16x16_nb[256][2] = {
+    {   0,   0 }, {  16,  16 }, {   0,   0 }, {  32,  32 },
+    {   1,   1 }, {  48,  48 }, {  17,  17 }, {   1,   1 },
+    {  64,  64 }, {   2,   2 }, {  33,  33 }, {  80,  80 },
+    {  18,  18 }, {   2,   2 }, {  49,  49 }, {   3,   3 },
+    {  96,  96 }, {  34,  34 }, {  65,  65 }, {  19,  19 },
+    {   3,   3 }, { 112, 112 }, {  50,  50 }, {   4,   4 },
+    {  81,  81 }, {  35,  35 }, {  66,  66 }, {   4,   4 },
+    { 128, 128 }, {  20,  20 }, {  51,  51 }, {  97,  97 },
+    {  82,  82 }, {   5,   5 }, {  36,  36 }, { 144, 144 },
+    {  67,  67 }, { 113, 113 }, {  21,  21 }, {  52,  52 },
+    {   5,   5 }, {  98,  98 }, { 160, 160 }, {  83,  83 },
+    {  37,  37 }, {   6,   6 }, {  68,  68 }, { 129, 129 },
+    {  22,  22 }, {  53,  53 }, { 114, 114 }, {   6,   6 },
+    {  99,  99 }, { 176, 176 }, {  84,  84 }, {  38,  38 },
+    {   7,   7 }, {  69,  69 }, { 145, 145 }, { 130, 130 },
+    { 115, 115 }, {  23,  23 }, {  54,  54 }, { 192, 192 },
+    { 100, 100 }, {   7,   7 }, {  85,  85 }, { 161, 161 },
+    {  39,  39 }, {  70,  70 }, {   8,   8 }, { 146, 146 },
+    { 131, 131 }, { 116, 116 }, {  55,  55 }, { 208, 208 },
+    { 101, 101 }, {  24,  24 }, {  86,  86 }, {   8,   8 },
+    { 132, 132 }, {  40,  40 }, {  71,  71 }, { 177, 177 },
+    { 147, 147 }, { 224, 224 }, { 117, 117 }, { 162, 162 },
+    {   9,   9 }, { 102, 102 }, {  56,  56 }, {  25,  25 },
+    {  87,  87 }, { 148, 148 }, {   9,   9 }, { 133, 133 },
+    {  72,  72 }, { 118, 118 }, { 193, 193 }, { 163, 163 },
+    {  41,  41 }, { 103, 103 }, { 178, 178 }, {  10,  10 },
+    {  57,  57 }, { 149, 149 }, { 134, 134 }, {  88,  88 },
+    {  26,  26 }, { 119, 119 }, {  10,  10 }, { 164, 164 },
+    { 104, 104 }, {  73,  73 }, { 209, 209 }, { 179, 179 },
+    {  42,  42 }, {  11,  11 }, { 194, 194 }, { 135, 135 },
+    { 165, 165 }, { 150, 150 }, {  58,  58 }, {  27,  27 },
+    {  89,  89 }, {  11,  11 }, { 120, 120 }, {  74,  74 },
+    {  43,  43 }, { 225, 225 }, { 105, 105 }, {  12,  12 },
+    { 180, 180 }, { 151, 151 }, { 195, 195 }, { 136, 136 },
+    {  28,  28 }, { 166, 166 }, { 121, 121 }, {  59,  59 },
+    {  12,  12 }, { 210, 210 }, {  90,  90 }, { 106, 106 },
+    {  44,  44 }, { 181, 181 }, {  75,  75 }, { 152, 152 },
+    {  13,  13 }, { 167, 167 }, { 137, 137 }, {  13,  13 },
+    {  60,  60 }, { 196, 196 }, { 122, 122 }, {  29,  29 },
+    {  91,  91 }, {  14,  14 }, { 182, 182 }, {  76,  76 },
+    { 211, 211 }, { 153, 153 }, {  14,  14 }, { 107, 107 },
+    { 138, 138 }, {  45,  45 }, { 226, 226 }, { 168, 168 },
+    { 197, 197 }, { 123, 123 }, {  30,  30 }, {  61,  61 },
+    {  15,  15 }, {  92,  92 }, { 154, 154 }, { 183, 183 },
+    { 169, 169 }, { 108, 108 }, { 212, 212 }, {  77,  77 },
+    { 139, 139 }, { 198, 198 }, {  46,  46 }, { 124, 124 },
+    { 227, 227 }, {  62,  62 }, {  31,  31 }, { 184, 184 },
+    {  93,  93 }, { 170, 170 }, { 155, 155 }, { 185, 185 },
+    {  78,  78 }, {  47,  47 }, { 199, 199 }, { 213, 213 },
+    { 140, 140 }, {  63,  63 }, { 109, 109 }, { 125, 125 },
+    {  94,  94 }, { 200, 200 }, { 171, 171 }, { 156, 156 },
+    { 228, 228 }, { 186, 186 }, { 214, 214 }, { 201, 201 },
+    {  79,  79 }, { 141, 141 }, { 110, 110 }, { 229, 229 },
+    {  95,  95 }, { 126, 126 }, { 215, 215 }, { 172, 172 },
+    { 111, 111 }, { 142, 142 }, { 202, 202 }, { 157, 157 },
+    { 216, 216 }, { 230, 230 }, { 217, 217 }, { 187, 187 },
+    { 127, 127 }, { 231, 231 }, { 158, 158 }, { 173, 173 },
+    { 143, 143 }, { 203, 203 }, { 188, 188 }, { 232, 232 },
+    { 218, 218 }, { 233, 233 }, { 159, 159 }, { 174, 174 },
+    { 204, 204 }, { 189, 189 }, { 234, 234 }, { 219, 219 },
+    { 175, 175 }, { 205, 205 }, { 235, 235 }, { 220, 220 },
+    { 190, 190 }, { 236, 236 }, { 206, 206 }, { 191, 191 },
+    { 221, 221 }, { 207, 207 }, { 237, 237 }, { 222, 222 },
+    { 238, 238 }, { 223, 223 }, { 239, 239 }, {   0,   0 },
+};
+
+const int16_t ff_vp9_default_scan_32x32_nb[1024][2] = {
+    {    0,    0 }, {    0,    0 }, {    1,    1 }, {   32,    1 },
+    {   32,   32 }, {    2,    2 }, {   33,    2 }, {   64,   33 },
+    {    3,    3 }, {   64,   64 }, {   34,    3 }, {   65,   34 },
+    {    4,    4 }, {   35,    4 }, {   96,   65 }, {   66,   35 },
+    {   96,   96 }, {   97,   66 }, {   67,   36 }, {   36,    5 },
+    {    5,    5 }, {  128,   97 }, {   98,   67 }, {    6,    6 },
+    {  128,  128 }, {   68,   37 }, {   37,    6 }, {  129,   98 },
+    {   99,   68 }, {  160,  129 }, {  130,   99 }, {   38,    7 },
+    {   69,   38 }, {    7,    7 }, {  100,   69 }, {  161,  130 },
+    {  131,  100 }, {  160,  160 }, {   70,   39 }, {   39,    8 },
+    {    8,    8 }, {  101,   70 }, {  162,  131 }, {  132,  101 },
+    {  192,  161 }, {   71,   40 }, {  192,  192 }, {  102,   71 },
+    {   40,    9 }, {  163,  132 }, {    9,    9 }, {  193,  162 },
+    {  133,  102 }, {  164,  133 }, {   72,   41 }, {  103,   72 },
+    {  134,  103 }, {  224,  193 }, {   41,   10 }, {  194,  163 },
+    {   10,   10 }, {  224,  224 }, {  165,  134 }, {  225,  194 },
+    {  195,  164 }, {   73,   42 }, {  104,   73 }, {  135,  104 },
+    {   42,   11 }, {   11,   11 }, {  166,  135 }, {  196,  165 },
+    {  226,  195 }, {  256,  225 }, {   74,   43 }, {  105,   74 },
+    {  136,  105 }, {  227,  196 }, {   43,   12 }, {  197,  166 },
+    {  167,  136 }, {  257,  226 }, {  256,  256 }, {   12,   12 },
+    {  228,  197 }, {   75,   44 }, {  106,   75 }, {  198,  167 },
+    {  137,  106 }, {  258,  227 }, {  168,  137 }, {  288,  257 },
+    {   44,   13 }, {  229,  198 }, {  259,  228 }, {  199,  168 },
+    {  107,   76 }, {   13,   13 }, {  169,  138 }, {  138,  107 },
+    {  288,  288 }, {  289,  258 }, {   76,   45 }, {  230,  199 },
+    {  260,  229 }, {   45,   14 }, {  200,  169 }, {  139,  108 },
+    {  290,  259 }, {  108,   77 }, {  231,  200 }, {  320,  289 },
+    {  261,  230 }, {  170,  139 }, {   77,   46 }, {  291,  260 },
+    {   14,   14 }, {  321,  290 }, {  201,  170 }, {  262,  231 },
+    {  320,  320 }, {  171,  140 }, {  292,  261 }, {  232,  201 },
+    {  140,  109 }, {  322,  291 }, {  109,   78 }, {   46,   15 },
+    {  202,  171 }, {  263,  232 }, {  233,  202 }, {  293,  262 },
+    {  352,  321 }, {  323,  292 }, {   15,   15 }, {   78,   47 },
+    {  203,  172 }, {  264,  233 }, {  294,  263 }, {  324,  293 },
+    {  172,  141 }, {  353,  322 }, {  141,  110 }, {  234,  203 },
+    {  352,  352 }, {   47,   16 }, {  295,  264 }, {  110,   79 },
+    {  265,  234 }, {  354,  323 }, {  325,  294 }, {   79,   48 },
+    {   16,   16 }, {  204,  173 }, {  235,  204 }, {  173,  142 },
+    {  355,  324 }, {  384,  353 }, {  326,  295 }, {  142,  111 },
+    {  296,  265 }, {  266,  235 }, {  356,  325 }, {  385,  354 },
+    {  111,   80 }, {   48,   17 }, {  327,  296 }, {  297,  266 },
+    {  205,  174 }, {  384,  384 }, {  236,  205 }, {  357,  326 },
+    {  386,  355 }, {   80,   49 }, {  174,  143 }, {   17,   17 },
+    {  328,  297 }, {  358,  327 }, {  387,  356 }, {  298,  267 },
+    {  329,  298 }, {  388,  357 }, {  112,   81 }, {  416,  385 },
+    {  237,  206 }, {  359,  328 }, {   49,   18 }, {  206,  175 },
+    {  417,  386 }, {  389,  358 }, {  330,  299 }, {   18,   18 },
+    {  416,  416 }, {  360,  329 }, {   81,   50 }, {  418,  387 },
+    {  390,  359 }, {  238,  207 }, {   50,   19 }, {  361,  330 },
+    {  419,  388 }, {  113,   82 }, {  448,  417 }, {  448,  448 },
+    {  420,  389 }, {   82,   51 }, {  362,  331 }, {  449,  418 },
+    {  421,  390 }, {  480,  480 }, {  450,  419 }, {  422,  391 },
+    {  114,   83 }, {  451,  420 }, {  480,  449 }, {  452,  421 },
+    {  481,  450 }, {  453,  422 }, {  512,  512 }, {  482,  451 },
+    {  454,  423 }, {  512,  481 }, {  483,  452 }, {  513,  482 },
+    {  484,  453 }, {  514,  483 }, {  485,  454 }, {  544,  513 },
+    {  544,  544 }, {  486,  455 }, {  545,  514 }, {  546,  515 },
+    {  576,  576 }, {  576,  545 }, {  577,  546 }, {  578,  547 },
+    {  608,  577 }, {  609,  578 }, {  610,  579 }, {   19,   19 },
+    {  143,  112 }, {  267,  236 }, {  391,  360 }, {  515,  484 },
+    {  608,  608 }, {   20,   20 }, {   51,   20 }, {  144,  113 },
+    {  175,  144 }, {  268,  237 }, {  299,  268 }, {  392,  361 },
+    {  423,  392 }, {  516,  485 }, {  547,  516 }, {  640,  609 },
+    {  640,  640 }, {   21,   21 }, {   52,   21 }, {   83,   52 },
+    {  145,  114 }, {  176,  145 }, {  207,  176 }, {  269,  238 },
+    {  300,  269 }, {  331,  300 }, {  393,  362 }, {  424,  393 },
+    {  455,  424 }, {  517,  486 }, {  548,  517 }, {  579,  548 },
+    {  641,  610 }, {  672,  641 }, {  672,  672 }, {   22,   22 },
+    {   53,   22 }, {   84,   53 }, {  115,   84 }, {  146,  115 },
+    {  177,  146 }, {  208,  177 }, {  239,  208 }, {  270,  239 },
+    {  301,  270 }, {  332,  301 }, {  363,  332 }, {  394,  363 },
+    {  425,  394 }, {  456,  425 }, {  487,  456 }, {  518,  487 },
+    {  549,  518 }, {  580,  549 }, {  611,  580 }, {  642,  611 },
+    {  673,  642 }, {  704,  673 }, {  704,  704 }, {   54,   23 },
+    {   85,   54 }, {  116,   85 }, {  178,  147 }, {  209,  178 },
+    {  240,  209 }, {  302,  271 }, {  333,  302 }, {  364,  333 },
+    {  426,  395 }, {  457,  426 }, {  488,  457 }, {  550,  519 },
+    {  581,  550 }, {  612,  581 }, {  674,  643 }, {  705,  674 },
+    {  736,  705 }, {   86,   55 }, {  117,   86 }, {  210,  179 },
+    {  241,  210 }, {  334,  303 }, {  365,  334 }, {  458,  427 },
+    {  489,  458 }, {  582,  551 }, {  613,  582 }, {  706,  675 },
+    {  737,  706 }, {  118,   87 }, {  242,  211 }, {  366,  335 },
+    {  490,  459 }, {  614,  583 }, {  738,  707 }, {   23,   23 },
+    {  147,  116 }, {  271,  240 }, {  395,  364 }, {  519,  488 },
+    {  643,  612 }, {  736,  736 }, {   24,   24 }, {   55,   24 },
+    {  148,  117 }, {  179,  148 }, {  272,  241 }, {  303,  272 },
+    {  396,  365 }, {  427,  396 }, {  520,  489 }, {  551,  520 },
+    {  644,  613 }, {  675,  644 }, {  768,  737 }, {  768,  768 },
+    {   25,   25 }, {   56,   25 }, {   87,   56 }, {  149,  118 },
+    {  180,  149 }, {  211,  180 }, {  273,  242 }, {  304,  273 },
+    {  335,  304 }, {  397,  366 }, {  428,  397 }, {  459,  428 },
+    {  521,  490 }, {  552,  521 }, {  583,  552 }, {  645,  614 },
+    {  676,  645 }, {  707,  676 }, {  769,  738 }, {  800,  769 },
+    {  800,  800 }, {   26,   26 }, {   57,   26 }, {   88,   57 },
+    {  119,   88 }, {  150,  119 }, {  181,  150 }, {  212,  181 },
+    {  243,  212 }, {  274,  243 }, {  305,  274 }, {  336,  305 },
+    {  367,  336 }, {  398,  367 }, {  429,  398 }, {  460,  429 },
+    {  491,  460 }, {  522,  491 }, {  553,  522 }, {  584,  553 },
+    {  615,  584 }, {  646,  615 }, {  677,  646 }, {  708,  677 },
+    {  739,  708 }, {  770,  739 }, {  801,  770 }, {  832,  801 },
+    {  832,  832 }, {   58,   27 }, {   89,   58 }, {  120,   89 },
+    {  182,  151 }, {  213,  182 }, {  244,  213 }, {  306,  275 },
+    {  337,  306 }, {  368,  337 }, {  430,  399 }, {  461,  430 },
+    {  492,  461 }, {  554,  523 }, {  585,  554 }, {  616,  585 },
+    {  678,  647 }, {  709,  678 }, {  740,  709 }, {  802,  771 },
+    {  833,  802 }, {  864,  833 }, {   90,   59 }, {  121,   90 },
+    {  214,  183 }, {  245,  214 }, {  338,  307 }, {  369,  338 },
+    {  462,  431 }, {  493,  462 }, {  586,  555 }, {  617,  586 },
+    {  710,  679 }, {  741,  710 }, {  834,  803 }, {  865,  834 },
+    {  122,   91 }, {  246,  215 }, {  370,  339 }, {  494,  463 },
+    {  618,  587 }, {  742,  711 }, {  866,  835 }, {   27,   27 },
+    {  151,  120 }, {  275,  244 }, {  399,  368 }, {  523,  492 },
+    {  647,  616 }, {  771,  740 }, {  864,  864 }, {   28,   28 },
+    {   59,   28 }, {  152,  121 }, {  183,  152 }, {  276,  245 },
+    {  307,  276 }, {  400,  369 }, {  431,  400 }, {  524,  493 },
+    {  555,  524 }, {  648,  617 }, {  679,  648 }, {  772,  741 },
+    {  803,  772 }, {  896,  865 }, {  896,  896 }, {   29,   29 },
+    {   60,   29 }, {   91,   60 }, {  153,  122 }, {  184,  153 },
+    {  215,  184 }, {  277,  246 }, {  308,  277 }, {  339,  308 },
+    {  401,  370 }, {  432,  401 }, {  463,  432 }, {  525,  494 },
+    {  556,  525 }, {  587,  556 }, {  649,  618 }, {  680,  649 },
+    {  711,  680 }, {  773,  742 }, {  804,  773 }, {  835,  804 },
+    {  897,  866 }, {  928,  897 }, {  928,  928 }, {   30,   30 },
+    {   61,   30 }, {   92,   61 }, {  123,   92 }, {  154,  123 },
+    {  185,  154 }, {  216,  185 }, {  247,  216 }, {  278,  247 },
+    {  309,  278 }, {  340,  309 }, {  371,  340 }, {  402,  371 },
+    {  433,  402 }, {  464,  433 }, {  495,  464 }, {  526,  495 },
+    {  557,  526 }, {  588,  557 }, {  619,  588 }, {  650,  619 },
+    {  681,  650 }, {  712,  681 }, {  743,  712 }, {  774,  743 },
+    {  805,  774 }, {  836,  805 }, {  867,  836 }, {  898,  867 },
+    {  929,  898 }, {  960,  929 }, {  960,  960 }, {   62,   31 },
+    {   93,   62 }, {  124,   93 }, {  186,  155 }, {  217,  186 },
+    {  248,  217 }, {  310,  279 }, {  341,  310 }, {  372,  341 },
+    {  434,  403 }, {  465,  434 }, {  496,  465 }, {  558,  527 },
+    {  589,  558 }, {  620,  589 }, {  682,  651 }, {  713,  682 },
+    {  744,  713 }, {  806,  775 }, {  837,  806 }, {  868,  837 },
+    {  930,  899 }, {  961,  930 }, {  992,  961 }, {   94,   63 },
+    {  125,   94 }, {  218,  187 }, {  249,  218 }, {  342,  311 },
+    {  373,  342 }, {  466,  435 }, {  497,  466 }, {  590,  559 },
+    {  621,  590 }, {  714,  683 }, {  745,  714 }, {  838,  807 },
+    {  869,  838 }, {  962,  931 }, {  993,  962 }, {  126,   95 },
+    {  250,  219 }, {  374,  343 }, {  498,  467 }, {  622,  591 },
+    {  746,  715 }, {  870,  839 }, {  994,  963 }, {  155,  124 },
+    {  279,  248 }, {  403,  372 }, {  527,  496 }, {  651,  620 },
+    {  775,  744 }, {  899,  868 }, {  156,  125 }, {  187,  156 },
+    {  280,  249 }, {  311,  280 }, {  404,  373 }, {  435,  404 },
+    {  528,  497 }, {  559,  528 }, {  652,  621 }, {  683,  652 },
+    {  776,  745 }, {  807,  776 }, {  900,  869 }, {  931,  900 },
+    {  157,  126 }, {  188,  157 }, {  219,  188 }, {  281,  250 },
+    {  312,  281 }, {  343,  312 }, {  405,  374 }, {  436,  405 },
+    {  467,  436 }, {  529,  498 }, {  560,  529 }, {  591,  560 },
+    {  653,  622 }, {  684,  653 }, {  715,  684 }, {  777,  746 },
+    {  808,  777 }, {  839,  808 }, {  901,  870 }, {  932,  901 },
+    {  963,  932 }, {  158,  127 }, {  189,  158 }, {  220,  189 },
+    {  251,  220 }, {  282,  251 }, {  313,  282 }, {  344,  313 },
+    {  375,  344 }, {  406,  375 }, {  437,  406 }, {  468,  437 },
+    {  499,  468 }, {  530,  499 }, {  561,  530 }, {  592,  561 },
+    {  623,  592 }, {  654,  623 }, {  685,  654 }, {  716,  685 },
+    {  747,  716 }, {  778,  747 }, {  809,  778 }, {  840,  809 },
+    {  871,  840 }, {  902,  871 }, {  933,  902 }, {  964,  933 },
+    {  995,  964 }, {  190,  159 }, {  221,  190 }, {  252,  221 },
+    {  314,  283 }, {  345,  314 }, {  376,  345 }, {  438,  407 },
+    {  469,  438 }, {  500,  469 }, {  562,  531 }, {  593,  562 },
+    {  624,  593 }, {  686,  655 }, {  717,  686 }, {  748,  717 },
+    {  810,  779 }, {  841,  810 }, {  872,  841 }, {  934,  903 },
+    {  965,  934 }, {  996,  965 }, {  222,  191 }, {  253,  222 },
+    {  346,  315 }, {  377,  346 }, {  470,  439 }, {  501,  470 },
+    {  594,  563 }, {  625,  594 }, {  718,  687 }, {  749,  718 },
+    {  842,  811 }, {  873,  842 }, {  966,  935 }, {  997,  966 },
+    {  254,  223 }, {  378,  347 }, {  502,  471 }, {  626,  595 },
+    {  750,  719 }, {  874,  843 }, {  998,  967 }, {  283,  252 },
+    {  407,  376 }, {  531,  500 }, {  655,  624 }, {  779,  748 },
+    {  903,  872 }, {  284,  253 }, {  315,  284 }, {  408,  377 },
+    {  439,  408 }, {  532,  501 }, {  563,  532 }, {  656,  625 },
+    {  687,  656 }, {  780,  749 }, {  811,  780 }, {  904,  873 },
+    {  935,  904 }, {  285,  254 }, {  316,  285 }, {  347,  316 },
+    {  409,  378 }, {  440,  409 }, {  471,  440 }, {  533,  502 },
+    {  564,  533 }, {  595,  564 }, {  657,  626 }, {  688,  657 },
+    {  719,  688 }, {  781,  750 }, {  812,  781 }, {  843,  812 },
+    {  905,  874 }, {  936,  905 }, {  967,  936 }, {  286,  255 },
+    {  317,  286 }, {  348,  317 }, {  379,  348 }, {  410,  379 },
+    {  441,  410 }, {  472,  441 }, {  503,  472 }, {  534,  503 },
+    {  565,  534 }, {  596,  565 }, {  627,  596 }, {  658,  627 },
+    {  689,  658 }, {  720,  689 }, {  751,  720 }, {  782,  751 },
+    {  813,  782 }, {  844,  813 }, {  875,  844 }, {  906,  875 },
+    {  937,  906 }, {  968,  937 }, {  999,  968 }, {  318,  287 },
+    {  349,  318 }, {  380,  349 }, {  442,  411 }, {  473,  442 },
+    {  504,  473 }, {  566,  535 }, {  597,  566 }, {  628,  597 },
+    {  690,  659 }, {  721,  690 }, {  752,  721 }, {  814,  783 },
+    {  845,  814 }, {  876,  845 }, {  938,  907 }, {  969,  938 },
+    { 1000,  969 }, {  350,  319 }, {  381,  350 }, {  474,  443 },
+    {  505,  474 }, {  598,  567 }, {  629,  598 }, {  722,  691 },
+    {  753,  722 }, {  846,  815 }, {  877,  846 }, {  970,  939 },
+    { 1001,  970 }, {  382,  351 }, {  506,  475 }, {  630,  599 },
+    {  754,  723 }, {  878,  847 }, { 1002,  971 }, {  411,  380 },
+    {  535,  504 }, {  659,  628 }, {  783,  752 }, {  907,  876 },
+    {  412,  381 }, {  443,  412 }, {  536,  505 }, {  567,  536 },
+    {  660,  629 }, {  691,  660 }, {  784,  753 }, {  815,  784 },
+    {  908,  877 }, {  939,  908 }, {  413,  382 }, {  444,  413 },
+    {  475,  444 }, {  537,  506 }, {  568,  537 }, {  599,  568 },
+    {  661,  630 }, {  692,  661 }, {  723,  692 }, {  785,  754 },
+    {  816,  785 }, {  847,  816 }, {  909,  878 }, {  940,  909 },
+    {  971,  940 }, {  414,  383 }, {  445,  414 }, {  476,  445 },
+    {  507,  476 }, {  538,  507 }, {  569,  538 }, {  600,  569 },
+    {  631,  600 }, {  662,  631 }, {  693,  662 }, {  724,  693 },
+    {  755,  724 }, {  786,  755 }, {  817,  786 }, {  848,  817 },
+    {  879,  848 }, {  910,  879 }, {  941,  910 }, {  972,  941 },
+    { 1003,  972 }, {  446,  415 }, {  477,  446 }, {  508,  477 },
+    {  570,  539 }, {  601,  570 }, {  632,  601 }, {  694,  663 },
+    {  725,  694 }, {  756,  725 }, {  818,  787 }, {  849,  818 },
+    {  880,  849 }, {  942,  911 }, {  973,  942 }, { 1004,  973 },
+    {  478,  447 }, {  509,  478 }, {  602,  571 }, {  633,  602 },
+    {  726,  695 }, {  757,  726 }, {  850,  819 }, {  881,  850 },
+    {  974,  943 }, { 1005,  974 }, {  510,  479 }, {  634,  603 },
+    {  758,  727 }, {  882,  851 }, { 1006,  975 }, {  539,  508 },
+    {  663,  632 }, {  787,  756 }, {  911,  880 }, {  540,  509 },
+    {  571,  540 }, {  664,  633 }, {  695,  664 }, {  788,  757 },
+    {  819,  788 }, {  912,  881 }, {  943,  912 }, {  541,  510 },
+    {  572,  541 }, {  603,  572 }, {  665,  634 }, {  696,  665 },
+    {  727,  696 }, {  789,  758 }, {  820,  789 }, {  851,  820 },
+    {  913,  882 }, {  944,  913 }, {  975,  944 }, {  542,  511 },
+    {  573,  542 }, {  604,  573 }, {  635,  604 }, {  666,  635 },
+    {  697,  666 }, {  728,  697 }, {  759,  728 }, {  790,  759 },
+    {  821,  790 }, {  852,  821 }, {  883,  852 }, {  914,  883 },
+    {  945,  914 }, {  976,  945 }, { 1007,  976 }, {  574,  543 },
+    {  605,  574 }, {  636,  605 }, {  698,  667 }, {  729,  698 },
+    {  760,  729 }, {  822,  791 }, {  853,  822 }, {  884,  853 },
+    {  946,  915 }, {  977,  946 }, { 1008,  977 }, {  606,  575 },
+    {  637,  606 }, {  730,  699 }, {  761,  730 }, {  854,  823 },
+    {  885,  854 }, {  978,  947 }, { 1009,  978 }, {  638,  607 },
+    {  762,  731 }, {  886,  855 }, { 1010,  979 }, {  667,  636 },
+    {  791,  760 }, {  915,  884 }, {  668,  637 }, {  699,  668 },
+    {  792,  761 }, {  823,  792 }, {  916,  885 }, {  947,  916 },
+    {  669,  638 }, {  700,  669 }, {  731,  700 }, {  793,  762 },
+    {  824,  793 }, {  855,  824 }, {  917,  886 }, {  948,  917 },
+    {  979,  948 }, {  670,  639 }, {  701,  670 }, {  732,  701 },
+    {  763,  732 }, {  794,  763 }, {  825,  794 }, {  856,  825 },
+    {  887,  856 }, {  918,  887 }, {  949,  918 }, {  980,  949 },
+    { 1011,  980 }, {  702,  671 }, {  733,  702 }, {  764,  733 },
+    {  826,  795 }, {  857,  826 }, {  888,  857 }, {  950,  919 },
+    {  981,  950 }, { 1012,  981 }, {  734,  703 }, {  765,  734 },
+    {  858,  827 }, {  889,  858 }, {  982,  951 }, { 1013,  982 },
+    {  766,  735 }, {  890,  859 }, { 1014,  983 }, {  795,  764 },
+    {  919,  888 }, {  796,  765 }, {  827,  796 }, {  920,  889 },
+    {  951,  920 }, {  797,  766 }, {  828,  797 }, {  859,  828 },
+    {  921,  890 }, {  952,  921 }, {  983,  952 }, {  798,  767 },
+    {  829,  798 }, {  860,  829 }, {  891,  860 }, {  922,  891 },
+    {  953,  922 }, {  984,  953 }, { 1015,  984 }, {  830,  799 },
+    {  861,  830 }, {  892,  861 }, {  954,  923 }, {  985,  954 },
+    { 1016,  985 }, {  862,  831 }, {  893,  862 }, {  986,  955 },
+    { 1017,  986 }, {  894,  863 }, { 1018,  987 }, {  923,  892 },
+    {  924,  893 }, {  955,  924 }, {  925,  894 }, {  956,  925 },
+    {  987,  956 }, {  926,  895 }, {  957,  926 }, {  988,  957 },
+    { 1019,  988 }, {  958,  927 }, {  989,  958 }, { 1020,  989 },
+    {  990,  959 }, { 1021,  990 }, { 1022,  991 }, {    0,    0 },
+};
+
+const int16_t (* const ff_vp9_scans_nb[5][4])[2] = {
+    {
+        ff_vp9_default_scan_4x4_nb, ff_vp9_col_scan_4x4_nb,
+        ff_vp9_row_scan_4x4_nb, ff_vp9_default_scan_4x4_nb
+    }, {
+        ff_vp9_default_scan_8x8_nb, ff_vp9_col_scan_8x8_nb,
+        ff_vp9_row_scan_8x8_nb, ff_vp9_default_scan_8x8_nb
+    }, {
+        ff_vp9_default_scan_16x16_nb, ff_vp9_col_scan_16x16_nb,
+        ff_vp9_row_scan_16x16_nb, ff_vp9_default_scan_16x16_nb
+    }, {
+        ff_vp9_default_scan_32x32_nb, ff_vp9_default_scan_32x32_nb,
+        ff_vp9_default_scan_32x32_nb, ff_vp9_default_scan_32x32_nb
+    }, { // lossless
+        ff_vp9_default_scan_4x4_nb, ff_vp9_default_scan_4x4_nb,
+        ff_vp9_default_scan_4x4_nb, ff_vp9_default_scan_4x4_nb
+    }
+};
+
+const uint8_t ff_vp9_model_pareto8[256][8] = {
+    {   6,  86, 128,  11,  87,  42,  91,  52 },
+    {   3,  86, 128,   6,  86,  23,  88,  29 },
+    {   6,  86, 128,  11,  87,  42,  91,  52 },
+    {   9,  86, 129,  17,  88,  61,  94,  76 },
+    {  12,  86, 129,  22,  88,  77,  97,  93 },
+    {  15,  87, 129,  28,  89,  93, 100, 110 },
+    {  17,  87, 129,  33,  90, 105, 103, 123 },
+    {  20,  88, 130,  38,  91, 118, 106, 136 },
+    {  23,  88, 130,  43,  91, 128, 108, 146 },
+    {  26,  89, 131,  48,  92, 139, 111, 156 },
+    {  28,  89, 131,  53,  93, 147, 114, 163 },
+    {  31,  90, 131,  58,  94, 156, 117, 171 },
+    {  34,  90, 131,  62,  94, 163, 119, 177 },
+    {  37,  90, 132,  66,  95, 171, 122, 184 },
+    {  39,  90, 132,  70,  96, 177, 124, 189 },
+    {  42,  91, 132,  75,  97, 183, 127, 194 },
+    {  44,  91, 132,  79,  97, 188, 129, 198 },
+    {  47,  92, 133,  83,  98, 193, 132, 202 },
+    {  49,  92, 133,  86,  99, 197, 134, 205 },
+    {  52,  93, 133,  90, 100, 201, 137, 208 },
+    {  54,  93, 133,  94, 100, 204, 139, 211 },
+    {  57,  94, 134,  98, 101, 208, 142, 214 },
+    {  59,  94, 134, 101, 102, 211, 144, 216 },
+    {  62,  94, 135, 105, 103, 214, 146, 218 },
+    {  64,  94, 135, 108, 103, 216, 148, 220 },
+    {  66,  95, 135, 111, 104, 219, 151, 222 },
+    {  68,  95, 135, 114, 105, 221, 153, 223 },
+    {  71,  96, 136, 117, 106, 224, 155, 225 },
+    {  73,  96, 136, 120, 106, 225, 157, 226 },
+    {  76,  97, 136, 123, 107, 227, 159, 228 },
+    {  78,  97, 136, 126, 108, 229, 160, 229 },
+    {  80,  98, 137, 129, 109, 231, 162, 231 },
+    {  82,  98, 137, 131, 109, 232, 164, 232 },
+    {  84,  98, 138, 134, 110, 234, 166, 233 },
+    {  86,  98, 138, 137, 111, 235, 168, 234 },
+    {  89,  99, 138, 140, 112, 236, 170, 235 },
+    {  91,  99, 138, 142, 112, 237, 171, 235 },
+    {  93, 100, 139, 145, 113, 238, 173, 236 },
+    {  95, 100, 139, 147, 114, 239, 174, 237 },
+    {  97, 101, 140, 149, 115, 240, 176, 238 },
+    {  99, 101, 140, 151, 115, 241, 177, 238 },
+    { 101, 102, 140, 154, 116, 242, 179, 239 },
+    { 103, 102, 140, 156, 117, 242, 180, 239 },
+    { 105, 103, 141, 158, 118, 243, 182, 240 },
+    { 107, 103, 141, 160, 118, 243, 183, 240 },
+    { 109, 104, 141, 162, 119, 244, 185, 241 },
+    { 111, 104, 141, 164, 119, 244, 186, 241 },
+    { 113, 104, 142, 166, 120, 245, 187, 242 },
+    { 114, 104, 142, 168, 121, 245, 188, 242 },
+    { 116, 105, 143, 170, 122, 246, 190, 243 },
+    { 118, 105, 143, 171, 122, 246, 191, 243 },
+    { 120, 106, 143, 173, 123, 247, 192, 244 },
+    { 121, 106, 143, 175, 124, 247, 193, 244 },
+    { 123, 107, 144, 177, 125, 248, 195, 244 },
+    { 125, 107, 144, 178, 125, 248, 196, 244 },
+    { 127, 108, 145, 180, 126, 249, 197, 245 },
+    { 128, 108, 145, 181, 127, 249, 198, 245 },
+    { 130, 109, 145, 183, 128, 249, 199, 245 },
+    { 132, 109, 145, 184, 128, 249, 200, 245 },
+    { 134, 110, 146, 186, 129, 250, 201, 246 },
+    { 135, 110, 146, 187, 130, 250, 202, 246 },
+    { 137, 111, 147, 189, 131, 251, 203, 246 },
+    { 138, 111, 147, 190, 131, 251, 204, 246 },
+    { 140, 112, 147, 192, 132, 251, 205, 247 },
+    { 141, 112, 147, 193, 132, 251, 206, 247 },
+    { 143, 113, 148, 194, 133, 251, 207, 247 },
+    { 144, 113, 148, 195, 134, 251, 207, 247 },
+    { 146, 114, 149, 197, 135, 252, 208, 248 },
+    { 147, 114, 149, 198, 135, 252, 209, 248 },
+    { 149, 115, 149, 199, 136, 252, 210, 248 },
+    { 150, 115, 149, 200, 137, 252, 210, 248 },
+    { 152, 115, 150, 201, 138, 252, 211, 248 },
+    { 153, 115, 150, 202, 138, 252, 212, 248 },
+    { 155, 116, 151, 204, 139, 253, 213, 249 },
+    { 156, 116, 151, 205, 139, 253, 213, 249 },
+    { 158, 117, 151, 206, 140, 253, 214, 249 },
+    { 159, 117, 151, 207, 141, 253, 215, 249 },
+    { 161, 118, 152, 208, 142, 253, 216, 249 },
+    { 162, 118, 152, 209, 142, 253, 216, 249 },
+    { 163, 119, 153, 210, 143, 253, 217, 249 },
+    { 164, 119, 153, 211, 143, 253, 217, 249 },
+    { 166, 120, 153, 212, 144, 254, 218, 250 },
+    { 167, 120, 153, 212, 145, 254, 219, 250 },
+    { 168, 121, 154, 213, 146, 254, 220, 250 },
+    { 169, 121, 154, 214, 146, 254, 220, 250 },
+    { 171, 122, 155, 215, 147, 254, 221, 250 },
+    { 172, 122, 155, 216, 147, 254, 221, 250 },
+    { 173, 123, 155, 217, 148, 254, 222, 250 },
+    { 174, 123, 155, 217, 149, 254, 222, 250 },
+    { 176, 124, 156, 218, 150, 254, 223, 250 },
+    { 177, 124, 156, 219, 150, 254, 223, 250 },
+    { 178, 125, 157, 220, 151, 254, 224, 251 },
+    { 179, 125, 157, 220, 151, 254, 224, 251 },
+    { 180, 126, 157, 221, 152, 254, 225, 251 },
+    { 181, 126, 157, 221, 152, 254, 225, 251 },
+    { 183, 127, 158, 222, 153, 254, 226, 251 },
+    { 184, 127, 158, 223, 154, 254, 226, 251 },
+    { 185, 128, 159, 224, 155, 255, 227, 251 },
+    { 186, 128, 159, 224, 155, 255, 227, 251 },
+    { 187, 129, 160, 225, 156, 255, 228, 251 },
+    { 188, 130, 160, 225, 156, 255, 228, 251 },
+    { 189, 131, 160, 226, 157, 255, 228, 251 },
+    { 190, 131, 160, 226, 158, 255, 228, 251 },
+    { 191, 132, 161, 227, 159, 255, 229, 251 },
+    { 192, 132, 161, 227, 159, 255, 229, 251 },
+    { 193, 133, 162, 228, 160, 255, 230, 252 },
+    { 194, 133, 162, 229, 160, 255, 230, 252 },
+    { 195, 134, 163, 230, 161, 255, 231, 252 },
+    { 196, 134, 163, 230, 161, 255, 231, 252 },
+    { 197, 135, 163, 231, 162, 255, 231, 252 },
+    { 198, 135, 163, 231, 162, 255, 231, 252 },
+    { 199, 136, 164, 232, 163, 255, 232, 252 },
+    { 200, 136, 164, 232, 164, 255, 232, 252 },
+    { 201, 137, 165, 233, 165, 255, 233, 252 },
+    { 201, 137, 165, 233, 165, 255, 233, 252 },
+    { 202, 138, 166, 233, 166, 255, 233, 252 },
+    { 203, 138, 166, 233, 166, 255, 233, 252 },
+    { 204, 139, 166, 234, 167, 255, 234, 252 },
+    { 205, 139, 166, 234, 167, 255, 234, 252 },
+    { 206, 140, 167, 235, 168, 255, 235, 252 },
+    { 206, 140, 167, 235, 168, 255, 235, 252 },
+    { 207, 141, 168, 236, 169, 255, 235, 252 },
+    { 208, 141, 168, 236, 170, 255, 235, 252 },
+    { 209, 142, 169, 237, 171, 255, 236, 252 },
+    { 209, 143, 169, 237, 171, 255, 236, 252 },
+    { 210, 144, 169, 237, 172, 255, 236, 252 },
+    { 211, 144, 169, 237, 172, 255, 236, 252 },
+    { 212, 145, 170, 238, 173, 255, 237, 252 },
+    { 213, 145, 170, 238, 173, 255, 237, 252 },
+    { 214, 146, 171, 239, 174, 255, 237, 253 },
+    { 214, 146, 171, 239, 174, 255, 237, 253 },
+    { 215, 147, 172, 240, 175, 255, 238, 253 },
+    { 215, 147, 172, 240, 175, 255, 238, 253 },
+    { 216, 148, 173, 240, 176, 255, 238, 253 },
+    { 217, 148, 173, 240, 176, 255, 238, 253 },
+    { 218, 149, 173, 241, 177, 255, 239, 253 },
+    { 218, 149, 173, 241, 178, 255, 239, 253 },
+    { 219, 150, 174, 241, 179, 255, 239, 253 },
+    { 219, 151, 174, 241, 179, 255, 239, 253 },
+    { 220, 152, 175, 242, 180, 255, 240, 253 },
+    { 221, 152, 175, 242, 180, 255, 240, 253 },
+    { 222, 153, 176, 242, 181, 255, 240, 253 },
+    { 222, 153, 176, 242, 181, 255, 240, 253 },
+    { 223, 154, 177, 243, 182, 255, 240, 253 },
+    { 223, 154, 177, 243, 182, 255, 240, 253 },
+    { 224, 155, 178, 244, 183, 255, 241, 253 },
+    { 224, 155, 178, 244, 183, 255, 241, 253 },
+    { 225, 156, 178, 244, 184, 255, 241, 253 },
+    { 225, 157, 178, 244, 184, 255, 241, 253 },
+    { 226, 158, 179, 244, 185, 255, 242, 253 },
+    { 227, 158, 179, 244, 185, 255, 242, 253 },
+    { 228, 159, 180, 245, 186, 255, 242, 253 },
+    { 228, 159, 180, 245, 186, 255, 242, 253 },
+    { 229, 160, 181, 245, 187, 255, 242, 253 },
+    { 229, 160, 181, 245, 187, 255, 242, 253 },
+    { 230, 161, 182, 246, 188, 255, 243, 253 },
+    { 230, 162, 182, 246, 188, 255, 243, 253 },
+    { 231, 163, 183, 246, 189, 255, 243, 253 },
+    { 231, 163, 183, 246, 189, 255, 243, 253 },
+    { 232, 164, 184, 247, 190, 255, 243, 253 },
+    { 232, 164, 184, 247, 190, 255, 243, 253 },
+    { 233, 165, 185, 247, 191, 255, 244, 253 },
+    { 233, 165, 185, 247, 191, 255, 244, 253 },
+    { 234, 166, 185, 247, 192, 255, 244, 253 },
+    { 234, 167, 185, 247, 192, 255, 244, 253 },
+    { 235, 168, 186, 248, 193, 255, 244, 253 },
+    { 235, 168, 186, 248, 193, 255, 244, 253 },
+    { 236, 169, 187, 248, 194, 255, 244, 253 },
+    { 236, 169, 187, 248, 194, 255, 244, 253 },
+    { 236, 170, 188, 248, 195, 255, 245, 253 },
+    { 236, 170, 188, 248, 195, 255, 245, 253 },
+    { 237, 171, 189, 249, 196, 255, 245, 254 },
+    { 237, 172, 189, 249, 196, 255, 245, 254 },
+    { 238, 173, 190, 249, 197, 255, 245, 254 },
+    { 238, 173, 190, 249, 197, 255, 245, 254 },
+    { 239, 174, 191, 249, 198, 255, 245, 254 },
+    { 239, 174, 191, 249, 198, 255, 245, 254 },
+    { 240, 175, 192, 249, 199, 255, 246, 254 },
+    { 240, 176, 192, 249, 199, 255, 246, 254 },
+    { 240, 177, 193, 250, 200, 255, 246, 254 },
+    { 240, 177, 193, 250, 200, 255, 246, 254 },
+    { 241, 178, 194, 250, 201, 255, 246, 254 },
+    { 241, 178, 194, 250, 201, 255, 246, 254 },
+    { 242, 179, 195, 250, 202, 255, 246, 254 },
+    { 242, 180, 195, 250, 202, 255, 246, 254 },
+    { 242, 181, 196, 250, 203, 255, 247, 254 },
+    { 242, 181, 196, 250, 203, 255, 247, 254 },
+    { 243, 182, 197, 251, 204, 255, 247, 254 },
+    { 243, 183, 197, 251, 204, 255, 247, 254 },
+    { 244, 184, 198, 251, 205, 255, 247, 254 },
+    { 244, 184, 198, 251, 205, 255, 247, 254 },
+    { 244, 185, 199, 251, 206, 255, 247, 254 },
+    { 244, 185, 199, 251, 206, 255, 247, 254 },
+    { 245, 186, 200, 251, 207, 255, 247, 254 },
+    { 245, 187, 200, 251, 207, 255, 247, 254 },
+    { 246, 188, 201, 252, 207, 255, 248, 254 },
+    { 246, 188, 201, 252, 207, 255, 248, 254 },
+    { 246, 189, 202, 252, 208, 255, 248, 254 },
+    { 246, 190, 202, 252, 208, 255, 248, 254 },
+    { 247, 191, 203, 252, 209, 255, 248, 254 },
+    { 247, 191, 203, 252, 209, 255, 248, 254 },
+    { 247, 192, 204, 252, 210, 255, 248, 254 },
+    { 247, 193, 204, 252, 210, 255, 248, 254 },
+    { 248, 194, 205, 252, 211, 255, 248, 254 },
+    { 248, 194, 205, 252, 211, 255, 248, 254 },
+    { 248, 195, 206, 252, 212, 255, 249, 254 },
+    { 248, 196, 206, 252, 212, 255, 249, 254 },
+    { 249, 197, 207, 253, 213, 255, 249, 254 },
+    { 249, 197, 207, 253, 213, 255, 249, 254 },
+    { 249, 198, 208, 253, 214, 255, 249, 254 },
+    { 249, 199, 209, 253, 214, 255, 249, 254 },
+    { 250, 200, 210, 253, 215, 255, 249, 254 },
+    { 250, 200, 210, 253, 215, 255, 249, 254 },
+    { 250, 201, 211, 253, 215, 255, 249, 254 },
+    { 250, 202, 211, 253, 215, 255, 249, 254 },
+    { 250, 203, 212, 253, 216, 255, 249, 254 },
+    { 250, 203, 212, 253, 216, 255, 249, 254 },
+    { 251, 204, 213, 253, 217, 255, 250, 254 },
+    { 251, 205, 213, 253, 217, 255, 250, 254 },
+    { 251, 206, 214, 254, 218, 255, 250, 254 },
+    { 251, 206, 215, 254, 218, 255, 250, 254 },
+    { 252, 207, 216, 254, 219, 255, 250, 254 },
+    { 252, 208, 216, 254, 219, 255, 250, 254 },
+    { 252, 209, 217, 254, 220, 255, 250, 254 },
+    { 252, 210, 217, 254, 220, 255, 250, 254 },
+    { 252, 211, 218, 254, 221, 255, 250, 254 },
+    { 252, 212, 218, 254, 221, 255, 250, 254 },
+    { 253, 213, 219, 254, 222, 255, 250, 254 },
+    { 253, 213, 220, 254, 222, 255, 250, 254 },
+    { 253, 214, 221, 254, 223, 255, 250, 254 },
+    { 253, 215, 221, 254, 223, 255, 250, 254 },
+    { 253, 216, 222, 254, 224, 255, 251, 254 },
+    { 253, 217, 223, 254, 224, 255, 251, 254 },
+    { 253, 218, 224, 254, 225, 255, 251, 254 },
+    { 253, 219, 224, 254, 225, 255, 251, 254 },
+    { 254, 220, 225, 254, 225, 255, 251, 254 },
+    { 254, 221, 226, 254, 225, 255, 251, 254 },
+    { 254, 222, 227, 255, 226, 255, 251, 254 },
+    { 254, 223, 227, 255, 226, 255, 251, 254 },
+    { 254, 224, 228, 255, 227, 255, 251, 254 },
+    { 254, 225, 229, 255, 227, 255, 251, 254 },
+    { 254, 226, 230, 255, 228, 255, 251, 254 },
+    { 254, 227, 230, 255, 229, 255, 251, 254 },
+    { 255, 228, 231, 255, 230, 255, 251, 254 },
+    { 255, 229, 232, 255, 230, 255, 251, 254 },
+    { 255, 230, 233, 255, 231, 255, 252, 254 },
+    { 255, 231, 234, 255, 231, 255, 252, 254 },
+    { 255, 232, 235, 255, 232, 255, 252, 254 },
+    { 255, 233, 236, 255, 232, 255, 252, 254 },
+    { 255, 235, 237, 255, 233, 255, 252, 254 },
+    { 255, 236, 238, 255, 234, 255, 252, 254 },
+    { 255, 238, 240, 255, 235, 255, 252, 255 },
+    { 255, 239, 241, 255, 235, 255, 252, 254 },
+    { 255, 241, 243, 255, 236, 255, 252, 254 },
+    { 255, 243, 245, 255, 237, 255, 252, 254 },
+    { 255, 246, 247, 255, 239, 255, 253, 255 },
+};
+
+const ProbContext ff_vp9_default_probs = {
+    { /* y_mode */
+        {  65,  32,  18, 144, 162, 194,  41,  51,  98 } /* bsize < 8x8 */,
+        { 132,  68,  18, 165, 217, 196,  45,  40,  78 } /* bsize < 16x16 */,
+        { 173,  80,  19, 176, 240, 193,  64,  35,  46 } /* bsize < 32x32 */,
+        { 221, 135,  38, 194, 248, 121,  96,  85,  29 } /* bsize >= 32x32 */
+    }, { /* uv_mode */
+        {  48,  12, 154, 155, 139,  90,  34, 117, 119 } /* y = v */,
+        {  67,   6,  25, 204, 243, 158,  13,  21,  96 } /* y = h */,
+        { 120,   7,  76, 176, 208, 126,  28,  54, 103 } /* y = dc */,
+        {  97,   5,  44, 131, 176, 139,  48,  68,  97 } /* y = d45 */,
+        {  83,   5,  42, 156, 111, 152,  26,  49, 152 } /* y = d135 */,
+        {  80,   5,  58, 178,  74,  83,  33,  62, 145 } /* y = d117 */,
+        {  86,   5,  32, 154, 192, 168,  14,  22, 163 } /* y = d153 */,
+        {  77,   7,  64, 116, 132, 122,  37, 126, 120 } /* y = d63 */,
+        {  85,   5,  32, 156, 216, 148,  19,  29,  73 } /* y = d27 */,
+        { 101,  21, 107, 181, 192, 103,  19,  67, 125 } /* y = tm */
+    }, { /* filter */
+        { 235, 162, },
+        {  36, 255, },
+        {  34,   3, },
+        { 149, 144, },
+    }, { /* mv_mode */
+        {  2, 173,  34},  // 0 = both zero mv
+        {  7, 145,  85},  // 1 = one zero mv + one a predicted mv
+        {  7, 166,  63},  // 2 = two predicted mvs
+        {  7,  94,  66},  // 3 = one predicted/zero and one new mv
+        {  8,  64,  46},  // 4 = two new mvs
+        { 17,  81,  31},  // 5 = one intra neighbour + x
+        { 25,  29,  30},  // 6 = two intra neighbours
+    }, { /* intra */
+        9, 102, 187, 225
+    }, { /* comp */
+        239, 183, 119,  96,  41
+    }, { /* single_ref */
+        {  33,  16 },
+        {  77,  74 },
+        { 142, 142 },
+        { 172, 170 },
+        { 238, 247 }
+    }, { /* comp_ref */
+        50, 126, 123, 221, 226
+    }, { /* tx32p */
+        { 3, 136, 37, },
+        { 5,  52, 13, },
+    }, { /* tx16p */
+        { 20, 152, },
+        { 15, 101, },
+    }, { /* tx8p */
+        100, 66
+    }, { /* skip */
+        192, 128, 64
+    }, { /* mv_joint */
+        32, 64, 96
+    }, {
+        { /* mv vertical component */
+            128, /* sign */
+            { 224, 144, 192, 168, 192, 176, 192, 198, 198, 245 }, /* class */
+            216, /* class0 */
+            { 136, 140, 148, 160, 176, 192, 224, 234, 234, 240}, /* bits */
+            { /* class0_fp */
+                { 128, 128, 64 },
+                {  96, 112, 64 }
+            },
+            { 64, 96, 64 }, /* fp */
+            160, /* class0_hp bit */
+            128, /* hp */
+        }, { /* mv horizontal component */
+            128, /* sign */
+            { 216, 128, 176, 160, 176, 176, 192, 198, 198, 208 }, /* class */
+            208, /* class0 */
+            { 136, 140, 148, 160, 176, 192, 224, 234, 234, 240 }, /* bits */
+            { /* class0_fp */
+                { 128, 128, 64 },
+                {  96, 112, 64 }
+            },
+            { 64, 96, 64 }, /* fp */
+            160, /* class0_hp bit */
+            128, /* hp */
+        }
+    }, { /* partition */
+        { /* 64x64 -> 32x32 */
+            { 222,  34,  30 } /* a/l both not split */,
+            {  72,  16,  44 } /* a split, l not split */,
+            {  58,  32,  12 } /* l split, a not split */,
+            {  10,   7,   6 } /* a/l both split */,
+        }, { /* 32x32 -> 16x16 */
+            { 177,  58,  59 } /* a/l both not split */,
+            {  68,  26,  63 } /* a split, l not split */,
+            {  52,  79,  25 } /* l split, a not split */,
+            {  17,  14,  12 } /* a/l both split */,
+        }, { /* 16x16 -> 8x8 */
+            { 174,  73,  87 } /* a/l both not split */,
+            {  92,  41,  83 } /* a split, l not split */,
+            {  82,  99,  50 } /* l split, a not split */,
+            {  53,  39,  39 } /* a/l both split */,
+        }, { /* 8x8 -> 4x4 */
+            { 199, 122, 141 } /* a/l both not split */,
+            { 147,  63, 159 } /* a split, l not split */,
+            { 148, 133, 118 } /* l split, a not split */,
+            { 121, 104, 114 } /* a/l both split */,
+        }
+    },
+};
+
+const uint8_t ff_vp9_default_coef_probs[4][2][2][6][6][3] = {
+    { /* tx = 4x4 */
+        { /* block Type 0 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    { 195,  29, 183 },
+                    {  84,  49, 136 },
+                    {   8,  42,  71 }
+                }, { /* Coeff Band 1 */
+                    {  31, 107, 169 },
+                    {  35,  99, 159 },
+                    {  17,  82, 140 },
+                    {   8,  66, 114 },
+                    {   2,  44,  76 },
+                    {   1,  19,  32 }
+                }, { /* Coeff Band 2 */
+                    {  40, 132, 201 },
+                    {  29, 114, 187 },
+                    {  13,  91, 157 },
+                    {   7,  75, 127 },
+                    {   3,  58,  95 },
+                    {   1,  28,  47 }
+                }, { /* Coeff Band 3 */
+                    {  69, 142, 221 },
+                    {  42, 122, 201 },
+                    {  15,  91, 159 },
+                    {   6,  67, 121 },
+                    {   1,  42,  77 },
+                    {   1,  17,  31 }
+                }, { /* Coeff Band 4 */
+                    { 102, 148, 228 },
+                    {  67, 117, 204 },
+                    {  17,  82, 154 },
+                    {   6,  59, 114 },
+                    {   2,  39,  75 },
+                    {   1,  15,  29 }
+                }, { /* Coeff Band 5 */
+                    { 156,  57, 233 },
+                    { 119,  57, 212 },
+                    {  58,  48, 163 },
+                    {  29,  40, 124 },
+                    {  12,  30,  81 },
+                    {   3,  12,  31 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    { 191, 107, 226 },
+                    { 124, 117, 204 },
+                    {  25,  99, 155 }
+                }, { /* Coeff Band 1 */
+                    {  29, 148, 210 },
+                    {  37, 126, 194 },
+                    {   8,  93, 157 },
+                    {   2,  68, 118 },
+                    {   1,  39,  69 },
+                    {   1,  17,  33 }
+                }, { /* Coeff Band 2 */
+                    {  41, 151, 213 },
+                    {  27, 123, 193 },
+                    {   3,  82, 144 },
+                    {   1,  58, 105 },
+                    {   1,  32,  60 },
+                    {   1,  13,  26 }
+                }, { /* Coeff Band 3 */
+                    {  59, 159, 220 },
+                    {  23, 126, 198 },
+                    {   4,  88, 151 },
+                    {   1,  66, 114 },
+                    {   1,  38,  71 },
+                    {   1,  18,  34 }
+                }, { /* Coeff Band 4 */
+                    { 114, 136, 232 },
+                    {  51, 114, 207 },
+                    {  11,  83, 155 },
+                    {   3,  56, 105 },
+                    {   1,  33,  65 },
+                    {   1,  17,  34 }
+                }, { /* Coeff Band 5 */
+                    { 149,  65, 234 },
+                    { 121,  57, 215 },
+                    {  61,  49, 166 },
+                    {  28,  36, 114 },
+                    {  12,  25,  76 },
+                    {   3,  16,  42 }
+                }
+            }
+        }, { /* block Type 1 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    { 214,  49, 220 },
+                    { 132,  63, 188 },
+                    {  42,  65, 137 }
+                }, { /* Coeff Band 1 */
+                    {  85, 137, 221 },
+                    { 104, 131, 216 },
+                    {  49, 111, 192 },
+                    {  21,  87, 155 },
+                    {   2,  49,  87 },
+                    {   1,  16,  28 }
+                }, { /* Coeff Band 2 */
+                    {  89, 163, 230 },
+                    {  90, 137, 220 },
+                    {  29, 100, 183 },
+                    {  10,  70, 135 },
+                    {   2,  42,  81 },
+                    {   1,  17,  33 }
+                }, { /* Coeff Band 3 */
+                    { 108, 167, 237 },
+                    {  55, 133, 222 },
+                    {  15,  97, 179 },
+                    {   4,  72, 135 },
+                    {   1,  45,  85 },
+                    {   1,  19,  38 }
+                }, { /* Coeff Band 4 */
+                    { 124, 146, 240 },
+                    {  66, 124, 224 },
+                    {  17,  88, 175 },
+                    {   4,  58, 122 },
+                    {   1,  36,  75 },
+                    {   1,  18,  37 }
+                }, { /* Coeff Band 5 */
+                    { 141,  79, 241 },
+                    { 126,  70, 227 },
+                    {  66,  58, 182 },
+                    {  30,  44, 136 },
+                    {  12,  34,  96 },
+                    {   2,  20,  47 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    { 229,  99, 249 },
+                    { 143, 111, 235 },
+                    {  46, 109, 192 }
+                }, { /* Coeff Band 1 */
+                    {  82, 158, 236 },
+                    {  94, 146, 224 },
+                    {  25, 117, 191 },
+                    {   9,  87, 149 },
+                    {   3,  56,  99 },
+                    {   1,  33,  57 }
+                }, { /* Coeff Band 2 */
+                    {  83, 167, 237 },
+                    {  68, 145, 222 },
+                    {  10, 103, 177 },
+                    {   2,  72, 131 },
+                    {   1,  41,  79 },
+                    {   1,  20,  39 }
+                }, { /* Coeff Band 3 */
+                    {  99, 167, 239 },
+                    {  47, 141, 224 },
+                    {  10, 104, 178 },
+                    {   2,  73, 133 },
+                    {   1,  44,  85 },
+                    {   1,  22,  47 }
+                }, { /* Coeff Band 4 */
+                    { 127, 145, 243 },
+                    {  71, 129, 228 },
+                    {  17,  93, 177 },
+                    {   3,  61, 124 },
+                    {   1,  41,  84 },
+                    {   1,  21,  52 }
+                }, { /* Coeff Band 5 */
+                    { 157,  78, 244 },
+                    { 140,  72, 231 },
+                    {  69,  58, 184 },
+                    {  31,  44, 137 },
+                    {  14,  38, 105 },
+                    {   8,  23,  61 }
+                }
+            }
+        }
+    }, { /* tx = 8x8 */
+        { /* block Type 0 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    { 125,  34, 187 },
+                    {  52,  41, 133 },
+                    {   6,  31,  56 }
+                }, { /* Coeff Band 1 */
+                    {  37, 109, 153 },
+                    {  51, 102, 147 },
+                    {  23,  87, 128 },
+                    {   8,  67, 101 },
+                    {   1,  41,  63 },
+                    {   1,  19,  29 }
+                }, { /* Coeff Band 2 */
+                    {  31, 154, 185 },
+                    {  17, 127, 175 },
+                    {   6,  96, 145 },
+                    {   2,  73, 114 },
+                    {   1,  51,  82 },
+                    {   1,  28,  45 }
+                }, { /* Coeff Band 3 */
+                    {  23, 163, 200 },
+                    {  10, 131, 185 },
+                    {   2,  93, 148 },
+                    {   1,  67, 111 },
+                    {   1,  41,  69 },
+                    {   1,  14,  24 }
+                }, { /* Coeff Band 4 */
+                    {  29, 176, 217 },
+                    {  12, 145, 201 },
+                    {   3, 101, 156 },
+                    {   1,  69, 111 },
+                    {   1,  39,  63 },
+                    {   1,  14,  23 }
+                }, { /* Coeff Band 5 */
+                    {  57, 192, 233 },
+                    {  25, 154, 215 },
+                    {   6, 109, 167 },
+                    {   3,  78, 118 },
+                    {   1,  48,  69 },
+                    {   1,  21,  29 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    { 202, 105, 245 },
+                    { 108, 106, 216 },
+                    {  18,  90, 144 }
+                }, { /* Coeff Band 1 */
+                    {  33, 172, 219 },
+                    {  64, 149, 206 },
+                    {  14, 117, 177 },
+                    {   5,  90, 141 },
+                    {   2,  61,  95 },
+                    {   1,  37,  57 }
+                }, { /* Coeff Band 2 */
+                    {  33, 179, 220 },
+                    {  11, 140, 198 },
+                    {   1,  89, 148 },
+                    {   1,  60, 104 },
+                    {   1,  33,  57 },
+                    {   1,  12,  21 }
+                }, { /* Coeff Band 3 */
+                    {  30, 181, 221 },
+                    {   8, 141, 198 },
+                    {   1,  87, 145 },
+                    {   1,  58, 100 },
+                    {   1,  31,  55 },
+                    {   1,  12,  20 }
+                }, { /* Coeff Band 4 */
+                    {  32, 186, 224 },
+                    {   7, 142, 198 },
+                    {   1,  86, 143 },
+                    {   1,  58, 100 },
+                    {   1,  31,  55 },
+                    {   1,  12,  22 }
+                }, { /* Coeff Band 5 */
+                    {  57, 192, 227 },
+                    {  20, 143, 204 },
+                    {   3,  96, 154 },
+                    {   1,  68, 112 },
+                    {   1,  42,  69 },
+                    {   1,  19,  32 }
+                }
+            }
+        }, { /* block Type 1 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    { 212,  35, 215 },
+                    { 113,  47, 169 },
+                    {  29,  48, 105 }
+                }, { /* Coeff Band 1 */
+                    {  74, 129, 203 },
+                    { 106, 120, 203 },
+                    {  49, 107, 178 },
+                    {  19,  84, 144 },
+                    {   4,  50,  84 },
+                    {   1,  15,  25 }
+                }, { /* Coeff Band 2 */
+                    {  71, 172, 217 },
+                    {  44, 141, 209 },
+                    {  15, 102, 173 },
+                    {   6,  76, 133 },
+                    {   2,  51,  89 },
+                    {   1,  24,  42 }
+                }, { /* Coeff Band 3 */
+                    {  64, 185, 231 },
+                    {  31, 148, 216 },
+                    {   8, 103, 175 },
+                    {   3,  74, 131 },
+                    {   1,  46,  81 },
+                    {   1,  18,  30 }
+                }, { /* Coeff Band 4 */
+                    {  65, 196, 235 },
+                    {  25, 157, 221 },
+                    {   5, 105, 174 },
+                    {   1,  67, 120 },
+                    {   1,  38,  69 },
+                    {   1,  15,  30 }
+                }, { /* Coeff Band 5 */
+                    {  65, 204, 238 },
+                    {  30, 156, 224 },
+                    {   7, 107, 177 },
+                    {   2,  70, 124 },
+                    {   1,  42,  73 },
+                    {   1,  18,  34 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    { 225,  86, 251 },
+                    { 144, 104, 235 },
+                    {  42,  99, 181 }
+                }, { /* Coeff Band 1 */
+                    {  85, 175, 239 },
+                    { 112, 165, 229 },
+                    {  29, 136, 200 },
+                    {  12, 103, 162 },
+                    {   6,  77, 123 },
+                    {   2,  53,  84 }
+                }, { /* Coeff Band 2 */
+                    {  75, 183, 239 },
+                    {  30, 155, 221 },
+                    {   3, 106, 171 },
+                    {   1,  74, 128 },
+                    {   1,  44,  76 },
+                    {   1,  17,  28 }
+                }, { /* Coeff Band 3 */
+                    {  73, 185, 240 },
+                    {  27, 159, 222 },
+                    {   2, 107, 172 },
+                    {   1,  75, 127 },
+                    {   1,  42,  73 },
+                    {   1,  17,  29 }
+                }, { /* Coeff Band 4 */
+                    {  62, 190, 238 },
+                    {  21, 159, 222 },
+                    {   2, 107, 172 },
+                    {   1,  72, 122 },
+                    {   1,  40,  71 },
+                    {   1,  18,  32 }
+                }, { /* Coeff Band 5 */
+                    {  61, 199, 240 },
+                    {  27, 161, 226 },
+                    {   4, 113, 180 },
+                    {   1,  76, 129 },
+                    {   1,  46,  80 },
+                    {   1,  23,  41 }
+                }
+            }
+        }
+    }, { /* tx = 16x16 */
+        { /* block Type 0 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    {   7,  27, 153 },
+                    {   5,  30,  95 },
+                    {   1,  16,  30 }
+                }, { /* Coeff Band 1 */
+                    {  50,  75, 127 },
+                    {  57,  75, 124 },
+                    {  27,  67, 108 },
+                    {  10,  54,  86 },
+                    {   1,  33,  52 },
+                    {   1,  12,  18 }
+                }, { /* Coeff Band 2 */
+                    {  43, 125, 151 },
+                    {  26, 108, 148 },
+                    {   7,  83, 122 },
+                    {   2,  59,  89 },
+                    {   1,  38,  60 },
+                    {   1,  17,  27 }
+                }, { /* Coeff Band 3 */
+                    {  23, 144, 163 },
+                    {  13, 112, 154 },
+                    {   2,  75, 117 },
+                    {   1,  50,  81 },
+                    {   1,  31,  51 },
+                    {   1,  14,  23 }
+                }, { /* Coeff Band 4 */
+                    {  18, 162, 185 },
+                    {   6, 123, 171 },
+                    {   1,  78, 125 },
+                    {   1,  51,  86 },
+                    {   1,  31,  54 },
+                    {   1,  14,  23 }
+                }, { /* Coeff Band 5 */
+                    {  15, 199, 227 },
+                    {   3, 150, 204 },
+                    {   1,  91, 146 },
+                    {   1,  55,  95 },
+                    {   1,  30,  53 },
+                    {   1,  11,  20 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    {  19,  55, 240 },
+                    {  19,  59, 196 },
+                    {   3,  52, 105 }
+                }, { /* Coeff Band 1 */
+                    {  41, 166, 207 },
+                    { 104, 153, 199 },
+                    {  31, 123, 181 },
+                    {  14, 101, 152 },
+                    {   5,  72, 106 },
+                    {   1,  36,  52 }
+                }, { /* Coeff Band 2 */
+                    {  35, 176, 211 },
+                    {  12, 131, 190 },
+                    {   2,  88, 144 },
+                    {   1,  60, 101 },
+                    {   1,  36,  60 },
+                    {   1,  16,  28 }
+                }, { /* Coeff Band 3 */
+                    {  28, 183, 213 },
+                    {   8, 134, 191 },
+                    {   1,  86, 142 },
+                    {   1,  56,  96 },
+                    {   1,  30,  53 },
+                    {   1,  12,  20 }
+                }, { /* Coeff Band 4 */
+                    {  20, 190, 215 },
+                    {   4, 135, 192 },
+                    {   1,  84, 139 },
+                    {   1,  53,  91 },
+                    {   1,  28,  49 },
+                    {   1,  11,  20 }
+                }, { /* Coeff Band 5 */
+                    {  13, 196, 216 },
+                    {   2, 137, 192 },
+                    {   1,  86, 143 },
+                    {   1,  57,  99 },
+                    {   1,  32,  56 },
+                    {   1,  13,  24 }
+                }
+            }
+        }, { /* block Type 1 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    { 211,  29, 217 },
+                    {  96,  47, 156 },
+                    {  22,  43,  87 }
+                }, { /* Coeff Band 1 */
+                    {  78, 120, 193 },
+                    { 111, 116, 186 },
+                    {  46, 102, 164 },
+                    {  15,  80, 128 },
+                    {   2,  49,  76 },
+                    {   1,  18,  28 }
+                }, { /* Coeff Band 2 */
+                    {  71, 161, 203 },
+                    {  42, 132, 192 },
+                    {  10,  98, 150 },
+                    {   3,  69, 109 },
+                    {   1,  44,  70 },
+                    {   1,  18,  29 }
+                }, { /* Coeff Band 3 */
+                    {  57, 186, 211 },
+                    {  30, 140, 196 },
+                    {   4,  93, 146 },
+                    {   1,  62, 102 },
+                    {   1,  38,  65 },
+                    {   1,  16,  27 }
+                }, { /* Coeff Band 4 */
+                    {  47, 199, 217 },
+                    {  14, 145, 196 },
+                    {   1,  88, 142 },
+                    {   1,  57,  98 },
+                    {   1,  36,  62 },
+                    {   1,  15,  26 }
+                }, { /* Coeff Band 5 */
+                    {  26, 219, 229 },
+                    {   5, 155, 207 },
+                    {   1,  94, 151 },
+                    {   1,  60, 104 },
+                    {   1,  36,  62 },
+                    {   1,  16,  28 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    { 233,  29, 248 },
+                    { 146,  47, 220 },
+                    {  43,  52, 140 }
+                }, { /* Coeff Band 1 */
+                    { 100, 163, 232 },
+                    { 179, 161, 222 },
+                    {  63, 142, 204 },
+                    {  37, 113, 174 },
+                    {  26,  89, 137 },
+                    {  18,  68,  97 }
+                }, { /* Coeff Band 2 */
+                    {  85, 181, 230 },
+                    {  32, 146, 209 },
+                    {   7, 100, 164 },
+                    {   3,  71, 121 },
+                    {   1,  45,  77 },
+                    {   1,  18,  30 }
+                }, { /* Coeff Band 3 */
+                    {  65, 187, 230 },
+                    {  20, 148, 207 },
+                    {   2,  97, 159 },
+                    {   1,  68, 116 },
+                    {   1,  40,  70 },
+                    {   1,  14,  29 }
+                }, { /* Coeff Band 4 */
+                    {  40, 194, 227 },
+                    {   8, 147, 204 },
+                    {   1,  94, 155 },
+                    {   1,  65, 112 },
+                    {   1,  39,  66 },
+                    {   1,  14,  26 }
+                }, { /* Coeff Band 5 */
+                    {  16, 208, 228 },
+                    {   3, 151, 207 },
+                    {   1,  98, 160 },
+                    {   1,  67, 117 },
+                    {   1,  41,  74 },
+                    {   1,  17,  31 }
+                }
+            }
+        }
+    }, { /* tx = 32x32 */
+        { /* block Type 0 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    {  17,  38, 140 },
+                    {   7,  34,  80 },
+                    {   1,  17,  29 }
+                }, { /* Coeff Band 1 */
+                    {  37,  75, 128 },
+                    {  41,  76, 128 },
+                    {  26,  66, 116 },
+                    {  12,  52,  94 },
+                    {   2,  32,  55 },
+                    {   1,  10,  16 }
+                }, { /* Coeff Band 2 */
+                    {  50, 127, 154 },
+                    {  37, 109, 152 },
+                    {  16,  82, 121 },
+                    {   5,  59,  85 },
+                    {   1,  35,  54 },
+                    {   1,  13,  20 }
+                }, { /* Coeff Band 3 */
+                    {  40, 142, 167 },
+                    {  17, 110, 157 },
+                    {   2,  71, 112 },
+                    {   1,  44,  72 },
+                    {   1,  27,  45 },
+                    {   1,  11,  17 }
+                }, { /* Coeff Band 4 */
+                    {  30, 175, 188 },
+                    {   9, 124, 169 },
+                    {   1,  74, 116 },
+                    {   1,  48,  78 },
+                    {   1,  30,  49 },
+                    {   1,  11,  18 }
+                }, { /* Coeff Band 5 */
+                    {  10, 222, 223 },
+                    {   2, 150, 194 },
+                    {   1,  83, 128 },
+                    {   1,  48,  79 },
+                    {   1,  27,  45 },
+                    {   1,  11,  17 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    {  36,  41, 235 },
+                    {  29,  36, 193 },
+                    {  10,  27, 111 }
+                }, { /* Coeff Band 1 */
+                    {  85, 165, 222 },
+                    { 177, 162, 215 },
+                    { 110, 135, 195 },
+                    {  57, 113, 168 },
+                    {  23,  83, 120 },
+                    {  10,  49,  61 }
+                }, { /* Coeff Band 2 */
+                    {  85, 190, 223 },
+                    {  36, 139, 200 },
+                    {   5,  90, 146 },
+                    {   1,  60, 103 },
+                    {   1,  38,  65 },
+                    {   1,  18,  30 }
+                }, { /* Coeff Band 3 */
+                    {  72, 202, 223 },
+                    {  23, 141, 199 },
+                    {   2,  86, 140 },
+                    {   1,  56,  97 },
+                    {   1,  36,  61 },
+                    {   1,  16,  27 }
+                }, { /* Coeff Band 4 */
+                    {  55, 218, 225 },
+                    {  13, 145, 200 },
+                    {   1,  86, 141 },
+                    {   1,  57,  99 },
+                    {   1,  35,  61 },
+                    {   1,  13,  22 }
+                }, { /* Coeff Band 5 */
+                    {  15, 235, 212 },
+                    {   1, 132, 184 },
+                    {   1,  84, 139 },
+                    {   1,  57,  97 },
+                    {   1,  34,  56 },
+                    {   1,  14,  23 }
+                }
+            }
+        }, { /* block Type 1 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    { 181,  21, 201 },
+                    {  61,  37, 123 },
+                    {  10,  38,  71 }
+                }, { /* Coeff Band 1 */
+                    {  47, 106, 172 },
+                    {  95, 104, 173 },
+                    {  42,  93, 159 },
+                    {  18,  77, 131 },
+                    {   4,  50,  81 },
+                    {   1,  17,  23 }
+                }, { /* Coeff Band 2 */
+                    {  62, 147, 199 },
+                    {  44, 130, 189 },
+                    {  28, 102, 154 },
+                    {  18,  75, 115 },
+                    {   2,  44,  65 },
+                    {   1,  12,  19 }
+                }, { /* Coeff Band 3 */
+                    {  55, 153, 210 },
+                    {  24, 130, 194 },
+                    {   3,  93, 146 },
+                    {   1,  61,  97 },
+                    {   1,  31,  50 },
+                    {   1,  10,  16 }
+                }, { /* Coeff Band 4 */
+                    {  49, 186, 223 },
+                    {  17, 148, 204 },
+                    {   1,  96, 142 },
+                    {   1,  53,  83 },
+                    {   1,  26,  44 },
+                    {   1,  11,  17 }
+                }, { /* Coeff Band 5 */
+                    {  13, 217, 212 },
+                    {   2, 136, 180 },
+                    {   1,  78, 124 },
+                    {   1,  50,  83 },
+                    {   1,  29,  49 },
+                    {   1,  14,  23 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    { 197,  13, 247 },
+                    {  82,  17, 222 },
+                    {  25,  17, 162 }
+                }, { /* Coeff Band 1 */
+                    { 126, 186, 247 },
+                    { 234, 191, 243 },
+                    { 176, 177, 234 },
+                    { 104, 158, 220 },
+                    {  66, 128, 186 },
+                    {  55,  90, 137 }
+                }, { /* Coeff Band 2 */
+                    { 111, 197, 242 },
+                    {  46, 158, 219 },
+                    {   9, 104, 171 },
+                    {   2,  65, 125 },
+                    {   1,  44,  80 },
+                    {   1,  17,  91 }
+                }, { /* Coeff Band 3 */
+                    { 104, 208, 245 },
+                    {  39, 168, 224 },
+                    {   3, 109, 162 },
+                    {   1,  79, 124 },
+                    {   1,  50, 102 },
+                    {   1,  43, 102 }
+                }, { /* Coeff Band 4 */
+                    {  84, 220, 246 },
+                    {  31, 177, 231 },
+                    {   2, 115, 180 },
+                    {   1,  79, 134 },
+                    {   1,  55,  77 },
+                    {   1,  60,  79 }
+                }, { /* Coeff Band 5 */
+                    {  43, 243, 240 },
+                    {   8, 180, 217 },
+                    {   1, 115, 166 },
+                    {   1,  84, 121 },
+                    {   1,  51,  67 },
+                    {   1,  16,   6 }
+                }
+            }
+        }
+    }
+};
+
+const int8_t ff_vp9_mv_joint_tree[3][2] = {
+    { -MV_JOINT_ZERO, 1 },           // '0'
+     { -MV_JOINT_H, 2 },             // '10'
+      { -MV_JOINT_V, -MV_JOINT_HV }, // '11x'
+};
+
+const int8_t ff_vp9_mv_class_tree[10][2] = {
+    { -0, 1 },         // '0'
+     { -1, 2 },        // '10'
+      { 3, 4 },
+       { -2, -3 },     // '110x'
+       { 5, 6 },
+        { -4, -5 },    // '1110x'
+        { -6, 7 },     // '11110'
+         { 8, 9 },
+          { -7, -8 },  // '111110x'
+          { -9, -10 }, // '111111x'
+};
+
+const int8_t ff_vp9_mv_fp_tree[3][2] = {
+    { -0, 1 },    // '0'
+     { -1, 2 },   // '10'
+      { -2, -3 }, // '11x'
+};
diff --git a/libavcodec/vp9data.h b/libavcodec/vp9data.h
index cb12e7e..084e882 100644
--- a/libavcodec/vp9data.h
+++ b/libavcodec/vp9data.h
@@ -26,2252 +26,45 @@
 
 #include "vp9.h"
 
-static const int8_t vp9_partition_tree[3][2] = {
-    { -PARTITION_NONE, 1 },               // '0'
-     { -PARTITION_H, 2 },                 // '10'
-      { -PARTITION_V, -PARTITION_SPLIT }, // '110', '111'
-};
-
-static const uint8_t vp9_default_kf_partition_probs[4][4][3] = {
-    { /* 64x64 -> 32x32 */
-        { 174,  35,  49 } /* a/l both not split */,
-        {  68,  11,  27 } /* a split, l not split */,
-        {  57,  15,   9 } /* l split, a not split */,
-        {  12,   3,   3 } /* a/l both split */
-    }, { /* 32x32 -> 16x16 */
-        { 150,  40,  39 } /* a/l both not split */,
-        {  78,  12,  26 } /* a split, l not split */,
-        {  67,  33,  11 } /* l split, a not split */,
-        {  24,   7,   5 } /* a/l both split */,
-    }, { /* 16x16 -> 8x8 */
-        { 149,  53,  53 } /* a/l both not split */,
-        {  94,  20,  48 } /* a split, l not split */,
-        {  83,  53,  24 } /* l split, a not split */,
-        {  52,  18,  18 } /* a/l both split */,
-    }, { /* 8x8 -> 4x4 */
-        { 158,  97,  94 } /* a/l both not split */,
-        {  93,  24,  99 } /* a split, l not split */,
-        {  85, 119,  44 } /* l split, a not split */,
-        {  62,  59,  67 } /* a/l both split */,
-    },
-};
-
-static const int8_t vp9_segmentation_tree[7][2] = {
-    { 1, 2 },
-     { 3, 4 },
-     { 5, 6 },
-      { -0, -1 }, // '00x'
-      { -2, -3 }, // '01x'
-      { -4, -5 }, // '10x'
-      { -6, -7 }, // '11x'
-};
-
-static const int8_t vp9_intramode_tree[9][2] = {
-    { -DC_PRED, 1 },                                  // '0'
-     { -TM_VP8_PRED, 2 },                             // '10'
-      { -VERT_PRED, 3 },                              // '110'
-       { 4, 6 },
-        { -HOR_PRED, 5 },                             // '11100'
-         { -DIAG_DOWN_RIGHT_PRED, -VERT_RIGHT_PRED }, // '11101x'
-        { -DIAG_DOWN_LEFT_PRED, 7 },                  // '11110'
-         { -VERT_LEFT_PRED, 8 },                      // '111110'
-          { -HOR_DOWN_PRED, -HOR_UP_PRED },           // '111111x'
-};
-
-static const uint8_t vp9_default_kf_ymode_probs[10][10][9] = {
-    { /* above = v */
-        {  43,  46, 168, 134, 107, 128,  69, 142,  92 } /* left = v */,
-        {  44,  29,  68, 159, 201, 177,  50,  57,  77 } /* left = h */,
-        {  63,  36, 126, 146, 123, 158,  60,  90,  96 } /* left = dc */,
-        {  58,  38,  76, 114,  97, 172,  78, 133,  92 } /* left = d45 */,
-        {  46,  41,  76, 140,  63, 184,  69, 112,  57 } /* left = d135 */,
-        {  38,  32,  85, 140,  46, 112,  54, 151, 133 } /* left = d117 */,
-        {  39,  27,  61, 131, 110, 175,  44,  75, 136 } /* left = d153 */,
-        {  47,  35,  80, 100,  74, 143,  64, 163,  74 } /* left = d63 */,
-        {  52,  30,  74, 113, 130, 175,  51,  64,  58 } /* left = d27 */,
-        {  36,  61, 116, 114, 128, 162,  80, 125,  82 } /* left = tm */
-    }, { /* above = h */
-        {  55,  44,  68, 166, 179, 192,  57,  57, 108 } /* left = v */,
-        {  42,  26,  11, 199, 241, 228,  23,  15,  85 } /* left = h */,
-        {  82,  26,  26, 171, 208, 204,  44,  32, 105 } /* left = dc */,
-        {  68,  42,  19, 131, 160, 199,  55,  52,  83 } /* left = d45 */,
-        {  58,  50,  25, 139, 115, 232,  39,  52, 118 } /* left = d135 */,
-        {  50,  35,  33, 153, 104, 162,  64,  59, 131 } /* left = d117 */,
-        {  44,  24,  16, 150, 177, 202,  33,  19, 156 } /* left = d153 */,
-        {  53,  49,  21, 110, 116, 168,  59,  80,  76 } /* left = d63 */,
-        {  55,  27,  12, 153, 203, 218,  26,  27,  49 } /* left = d27 */,
-        {  38,  72,  19, 168, 203, 212,  50,  50, 107 } /* left = tm */
-    }, { /* above = dc */
-        {  92,  45, 102, 136, 116, 180,  74,  90, 100 } /* left = v */,
-        {  73,  32,  19, 187, 222, 215,  46,  34, 100 } /* left = h */,
-        { 137,  30,  42, 148, 151, 207,  70,  52,  91 } /* left = dc */,
-        {  91,  30,  32, 116, 121, 186,  93,  86,  94 } /* left = d45 */,
-        {  72,  35,  36, 149,  68, 206,  68,  63, 105 } /* left = d135 */,
-        {  73,  31,  28, 138,  57, 124,  55, 122, 151 } /* left = d117 */,
-        {  67,  23,  21, 140, 126, 197,  40,  37, 171 } /* left = d153 */,
-        {  74,  32,  27, 107,  86, 160,  63, 134, 102 } /* left = d63 */,
-        {  86,  27,  28, 128, 154, 212,  45,  43,  53 } /* left = d27 */,
-        {  59,  67,  44, 140, 161, 202,  78,  67, 119 } /* left = tm */
-    }, { /* above = d45 */
-        {  59,  38,  83, 112, 103, 162,  98, 136,  90 } /* left = v */,
-        {  62,  30,  23, 158, 200, 207,  59,  57,  50 } /* left = h */,
-        { 103,  26,  36, 129, 132, 201,  83,  80,  93 } /* left = dc */,
-        {  67,  30,  29,  84,  86, 191, 102,  91,  59 } /* left = d45 */,
-        {  60,  32,  33, 112,  71, 220,  64,  89, 104 } /* left = d135 */,
-        {  53,  26,  34, 130,  56, 149,  84, 120, 103 } /* left = d117 */,
-        {  53,  21,  23, 133, 109, 210,  56,  77, 172 } /* left = d153 */,
-        {  61,  29,  29,  93,  97, 165,  83, 175, 162 } /* left = d63 */,
-        {  77,  19,  29, 112, 142, 228,  55,  66,  36 } /* left = d27 */,
-        {  47,  47,  43, 114, 137, 181, 100,  99,  95 } /* left = tm */
-    }, { /* above = d135 */
-        {  53,  40,  55, 139,  69, 183,  61,  80, 110 } /* left = v */,
-        {  40,  29,  19, 161, 180, 207,  43,  24,  91 } /* left = h */,
-        {  69,  23,  29, 128,  83, 199,  46,  44, 101 } /* left = dc */,
-        {  60,  34,  19, 105,  61, 198,  53,  64,  89 } /* left = d45 */,
-        {  52,  31,  22, 158,  40, 209,  58,  62,  89 } /* left = d135 */,
-        {  44,  31,  29, 147,  46, 158,  56, 102, 198 } /* left = d117 */,
-        {  35,  19,  12, 135,  87, 209,  41,  45, 167 } /* left = d153 */,
-        {  51,  38,  25, 113,  58, 164,  70,  93,  97 } /* left = d63 */,
-        {  55,  25,  21, 118,  95, 215,  38,  39,  66 } /* left = d27 */,
-        {  47,  54,  34, 146, 108, 203,  72, 103, 151 } /* left = tm */
-    }, { /* above = d117 */
-        {  46,  27,  80, 150,  55, 124,  55, 121, 135 } /* left = v */,
-        {  36,  23,  27, 165, 149, 166,  54,  64, 118 } /* left = h */,
-        {  64,  19,  37, 156,  66, 138,  49,  95, 133 } /* left = dc */,
-        {  53,  21,  36, 131,  63, 163,  60, 109,  81 } /* left = d45 */,
-        {  40,  26,  35, 154,  40, 185,  51,  97, 123 } /* left = d135 */,
-        {  35,  19,  34, 179,  19,  97,  48, 129, 124 } /* left = d117 */,
-        {  36,  20,  26, 136,  62, 164,  33,  77, 154 } /* left = d153 */,
-        {  45,  26,  28, 129,  45, 129,  49, 147, 123 } /* left = d63 */,
-        {  45,  18,  32, 130,  90, 157,  40,  79,  91 } /* left = d27 */,
-        {  38,  44,  51, 136,  74, 162,  57,  97, 121 } /* left = tm */
-    }, { /* above = d153 */
-        {  56,  39,  58, 133, 117, 173,  48,  53, 187 } /* left = v */,
-        {  35,  21,  12, 161, 212, 207,  20,  23, 145 } /* left = h */,
-        {  75,  17,  22, 136, 138, 185,  32,  34, 166 } /* left = dc */,
-        {  56,  29,  19, 117, 109, 181,  55,  68, 112 } /* left = d45 */,
-        {  47,  29,  17, 153,  64, 220,  59,  51, 114 } /* left = d135 */,
-        {  46,  16,  24, 136,  76, 147,  41,  64, 172 } /* left = d117 */,
-        {  34,  17,  11, 108, 152, 187,  13,  15, 209 } /* left = d153 */,
-        {  55,  30,  18, 122,  79, 179,  44,  88, 116 } /* left = d63 */,
-        {  51,  24,  14, 115, 133, 209,  32,  26, 104 } /* left = d27 */,
-        {  37,  49,  25, 129, 168, 164,  41,  54, 148 } /* left = tm */
-    }, { /* above = d63 */
-        {  48,  34,  86, 101,  92, 146,  78, 179, 134 } /* left = v */,
-        {  47,  22,  24, 138, 187, 178,  68,  69,  59 } /* left = h */,
-        {  78,  23,  39, 111, 117, 170,  74, 124,  94 } /* left = dc */,
-        {  56,  25,  33, 105, 112, 187,  95, 177, 129 } /* left = d45 */,
-        {  48,  31,  27, 114,  63, 183,  82, 116,  56 } /* left = d135 */,
-        {  43,  28,  37, 121,  63, 123,  61, 192, 169 } /* left = d117 */,
-        {  42,  17,  24, 109,  97, 177,  56,  76, 122 } /* left = d153 */,
-        {  46,  23,  32,  74,  86, 150,  67, 183,  88 } /* left = d63 */,
-        {  58,  18,  28, 105, 139, 182,  70,  92,  63 } /* left = d27 */,
-        {  36,  38,  48,  92, 122, 165,  88, 137,  91 } /* left = tm */
-    }, { /* above = d27 */
-        {  62,  44,  61, 123, 105, 189,  48,  57,  64 } /* left = v */,
-        {  47,  25,  17, 175, 222, 220,  24,  30,  86 } /* left = h */,
-        {  82,  22,  32, 127, 143, 213,  39,  41,  70 } /* left = dc */,
-        {  68,  36,  17, 106, 102, 206,  59,  74,  74 } /* left = d45 */,
-        {  57,  39,  23, 151,  68, 216,  55,  63,  58 } /* left = d135 */,
-        {  49,  30,  35, 141,  70, 168,  82,  40, 115 } /* left = d117 */,
-        {  51,  25,  15, 136, 129, 202,  38,  35, 139 } /* left = d153 */,
-        {  59,  39,  19, 114,  75, 180,  77, 104,  42 } /* left = d63 */,
-        {  68,  26,  16, 111, 141, 215,  29,  28,  28 } /* left = d27 */,
-        {  40,  61,  26, 126, 152, 206,  61,  59,  93 } /* left = tm */
-    }, { /* above = tm */
-        {  44,  78, 115, 132, 119, 173,  71, 112,  93 } /* left = v */,
-        {  39,  38,  21, 184, 227, 206,  42,  32,  64 } /* left = h */,
-        {  65,  70,  60, 155, 159, 199,  61,  60,  81 } /* left = dc */,
-        {  58,  47,  36, 124, 137, 193,  80,  82,  78 } /* left = d45 */,
-        {  49,  50,  35, 144,  95, 205,  63,  78,  59 } /* left = d135 */,
-        {  41,  53,  52, 148,  71, 142,  65, 128,  51 } /* left = d117 */,
-        {  40,  36,  28, 143, 143, 202,  40,  55, 137 } /* left = d153 */,
-        {  42,  44,  44, 104, 105, 164,  64, 130,  80 } /* left = d63 */,
-        {  52,  34,  29, 129, 183, 227,  42,  35,  43 } /* left = d27 */,
-        {  43,  81,  53, 140, 169, 204,  68,  84,  72 } /* left = tm */
-    }
-};
-
-static const uint8_t vp9_default_kf_uvmode_probs[10][9] = {
-    { 118,  15, 123, 148, 131, 101,  44,  93, 131 } /* y = v */,
-    { 113,  12,  23, 188, 226, 142,  26,  32, 125 } /* y = h */,
-    { 144,  11,  54, 157, 195, 130,  46,  58, 108 } /* y = dc */,
-    { 120,  11,  50, 123, 163, 135,  64,  77, 103 } /* y = d45 */,
-    { 113,   9,  36, 155, 111, 157,  32,  44, 161 } /* y = d135 */,
-    { 116,   9,  55, 176,  76,  96,  37,  61, 149 } /* y = d117 */,
-    { 115,   9,  28, 141, 161, 167,  21,  25, 193 } /* y = d153 */,
-    { 116,  12,  64, 120, 140, 125,  49, 115, 121 } /* y = d63 */,
-    { 120,  12,  32, 145, 195, 142,  32,  38,  86 } /* y = d27 */,
-    { 102,  19,  66, 162, 182, 122,  35,  59, 128 } /* y = tm */
-};
-
-static const int8_t vp9_inter_mode_tree[3][2] = {
-    { -ZEROMV, 1 },        // '0'
-     { -NEARESTMV, 2 },    // '10'
-      { -NEARMV, -NEWMV }, // '11x'
-};
-
-static const int8_t vp9_filter_tree[2][2] = {
-    { -0, 1 },   // '0'
-     { -1, -2 }, // '1x'
-};
-
-static const enum FilterMode vp9_filter_lut[3] = {
-    FILTER_8TAP_REGULAR,
-    FILTER_8TAP_SMOOTH,
-    FILTER_8TAP_SHARP,
-};
-
-static const int16_t vp9_dc_qlookup[3][256] = {
-    {
-            4,     8,     8,     9,    10,    11,    12,    12,
-           13,    14,    15,    16,    17,    18,    19,    19,
-           20,    21,    22,    23,    24,    25,    26,    26,
-           27,    28,    29,    30,    31,    32,    32,    33,
-           34,    35,    36,    37,    38,    38,    39,    40,
-           41,    42,    43,    43,    44,    45,    46,    47,
-           48,    48,    49,    50,    51,    52,    53,    53,
-           54,    55,    56,    57,    57,    58,    59,    60,
-           61,    62,    62,    63,    64,    65,    66,    66,
-           67,    68,    69,    70,    70,    71,    72,    73,
-           74,    74,    75,    76,    77,    78,    78,    79,
-           80,    81,    81,    82,    83,    84,    85,    85,
-           87,    88,    90,    92,    93,    95,    96,    98,
-           99,   101,   102,   104,   105,   107,   108,   110,
-          111,   113,   114,   116,   117,   118,   120,   121,
-          123,   125,   127,   129,   131,   134,   136,   138,
-          140,   142,   144,   146,   148,   150,   152,   154,
-          156,   158,   161,   164,   166,   169,   172,   174,
-          177,   180,   182,   185,   187,   190,   192,   195,
-          199,   202,   205,   208,   211,   214,   217,   220,
-          223,   226,   230,   233,   237,   240,   243,   247,
-          250,   253,   257,   261,   265,   269,   272,   276,
-          280,   284,   288,   292,   296,   300,   304,   309,
-          313,   317,   322,   326,   330,   335,   340,   344,
-          349,   354,   359,   364,   369,   374,   379,   384,
-          389,   395,   400,   406,   411,   417,   423,   429,
-          435,   441,   447,   454,   461,   467,   475,   482,
-          489,   497,   505,   513,   522,   530,   539,   549,
-          559,   569,   579,   590,   602,   614,   626,   640,
-          654,   668,   684,   700,   717,   736,   755,   775,
-          796,   819,   843,   869,   896,   925,   955,   988,
-         1022,  1058,  1098,  1139,  1184,  1232,  1282,  1336,
-    }, {
-            4,     9,    10,    13,    15,    17,    20,    22,
-           25,    28,    31,    34,    37,    40,    43,    47,
-           50,    53,    57,    60,    64,    68,    71,    75,
-           78,    82,    86,    90,    93,    97,   101,   105,
-          109,   113,   116,   120,   124,   128,   132,   136,
-          140,   143,   147,   151,   155,   159,   163,   166,
-          170,   174,   178,   182,   185,   189,   193,   197,
-          200,   204,   208,   212,   215,   219,   223,   226,
-          230,   233,   237,   241,   244,   248,   251,   255,
-          259,   262,   266,   269,   273,   276,   280,   283,
-          287,   290,   293,   297,   300,   304,   307,   310,
-          314,   317,   321,   324,   327,   331,   334,   337,
-          343,   350,   356,   362,   369,   375,   381,   387,
-          394,   400,   406,   412,   418,   424,   430,   436,
-          442,   448,   454,   460,   466,   472,   478,   484,
-          490,   499,   507,   516,   525,   533,   542,   550,
-          559,   567,   576,   584,   592,   601,   609,   617,
-          625,   634,   644,   655,   666,   676,   687,   698,
-          708,   718,   729,   739,   749,   759,   770,   782,
-          795,   807,   819,   831,   844,   856,   868,   880,
-          891,   906,   920,   933,   947,   961,   975,   988,
-         1001,  1015,  1030,  1045,  1061,  1076,  1090,  1105,
-         1120,  1137,  1153,  1170,  1186,  1202,  1218,  1236,
-         1253,  1271,  1288,  1306,  1323,  1342,  1361,  1379,
-         1398,  1416,  1436,  1456,  1476,  1496,  1516,  1537,
-         1559,  1580,  1601,  1624,  1647,  1670,  1692,  1717,
-         1741,  1766,  1791,  1817,  1844,  1871,  1900,  1929,
-         1958,  1990,  2021,  2054,  2088,  2123,  2159,  2197,
-         2236,  2276,  2319,  2363,  2410,  2458,  2508,  2561,
-         2616,  2675,  2737,  2802,  2871,  2944,  3020,  3102,
-         3188,  3280,  3375,  3478,  3586,  3702,  3823,  3953,
-         4089,  4236,  4394,  4559,  4737,  4929,  5130,  5347,
-    }, {
-            4,    12,    18,    25,    33,    41,    50,    60,
-           70,    80,    91,   103,   115,   127,   140,   153,
-          166,   180,   194,   208,   222,   237,   251,   266,
-          281,   296,   312,   327,   343,   358,   374,   390,
-          405,   421,   437,   453,   469,   484,   500,   516,
-          532,   548,   564,   580,   596,   611,   627,   643,
-          659,   674,   690,   706,   721,   737,   752,   768,
-          783,   798,   814,   829,   844,   859,   874,   889,
-          904,   919,   934,   949,   964,   978,   993,  1008,
-         1022,  1037,  1051,  1065,  1080,  1094,  1108,  1122,
-         1136,  1151,  1165,  1179,  1192,  1206,  1220,  1234,
-         1248,  1261,  1275,  1288,  1302,  1315,  1329,  1342,
-         1368,  1393,  1419,  1444,  1469,  1494,  1519,  1544,
-         1569,  1594,  1618,  1643,  1668,  1692,  1717,  1741,
-         1765,  1789,  1814,  1838,  1862,  1885,  1909,  1933,
-         1957,  1992,  2027,  2061,  2096,  2130,  2165,  2199,
-         2233,  2267,  2300,  2334,  2367,  2400,  2434,  2467,
-         2499,  2532,  2575,  2618,  2661,  2704,  2746,  2788,
-         2830,  2872,  2913,  2954,  2995,  3036,  3076,  3127,
-         3177,  3226,  3275,  3324,  3373,  3421,  3469,  3517,
-         3565,  3621,  3677,  3733,  3788,  3843,  3897,  3951,
-         4005,  4058,  4119,  4181,  4241,  4301,  4361,  4420,
-         4479,  4546,  4612,  4677,  4742,  4807,  4871,  4942,
-         5013,  5083,  5153,  5222,  5291,  5367,  5442,  5517,
-         5591,  5665,  5745,  5825,  5905,  5984,  6063,  6149,
-         6234,  6319,  6404,  6495,  6587,  6678,  6769,  6867,
-         6966,  7064,  7163,  7269,  7376,  7483,  7599,  7715,
-         7832,  7958,  8085,  8214,  8352,  8492,  8635,  8788,
-         8945,  9104,  9275,  9450,  9639,  9832, 10031, 10245,
-        10465, 10702, 10946, 11210, 11482, 11776, 12081, 12409,
-        12750, 13118, 13501, 13913, 14343, 14807, 15290, 15812,
-        16356, 16943, 17575, 18237, 18949, 19718, 20521, 21387,
-    }
-};
-
-static const int16_t vp9_ac_qlookup[3][256] = {
-    {
-            4,     8,     9,    10,    11,    12,    13,    14,
-           15,    16,    17,    18,    19,    20,    21,    22,
-           23,    24,    25,    26,    27,    28,    29,    30,
-           31,    32,    33,    34,    35,    36,    37,    38,
-           39,    40,    41,    42,    43,    44,    45,    46,
-           47,    48,    49,    50,    51,    52,    53,    54,
-           55,    56,    57,    58,    59,    60,    61,    62,
-           63,    64,    65,    66,    67,    68,    69,    70,
-           71,    72,    73,    74,    75,    76,    77,    78,
-           79,    80,    81,    82,    83,    84,    85,    86,
-           87,    88,    89,    90,    91,    92,    93,    94,
-           95,    96,    97,    98,    99,   100,   101,   102,
-          104,   106,   108,   110,   112,   114,   116,   118,
-          120,   122,   124,   126,   128,   130,   132,   134,
-          136,   138,   140,   142,   144,   146,   148,   150,
-          152,   155,   158,   161,   164,   167,   170,   173,
-          176,   179,   182,   185,   188,   191,   194,   197,
-          200,   203,   207,   211,   215,   219,   223,   227,
-          231,   235,   239,   243,   247,   251,   255,   260,
-          265,   270,   275,   280,   285,   290,   295,   300,
-          305,   311,   317,   323,   329,   335,   341,   347,
-          353,   359,   366,   373,   380,   387,   394,   401,
-          408,   416,   424,   432,   440,   448,   456,   465,
-          474,   483,   492,   501,   510,   520,   530,   540,
-          550,   560,   571,   582,   593,   604,   615,   627,
-          639,   651,   663,   676,   689,   702,   715,   729,
-          743,   757,   771,   786,   801,   816,   832,   848,
-          864,   881,   898,   915,   933,   951,   969,   988,
-         1007,  1026,  1046,  1066,  1087,  1108,  1129,  1151,
-         1173,  1196,  1219,  1243,  1267,  1292,  1317,  1343,
-         1369,  1396,  1423,  1451,  1479,  1508,  1537,  1567,
-         1597,  1628,  1660,  1692,  1725,  1759,  1793,  1828,
-    }, {
-            4,     9,    11,    13,    16,    18,    21,    24,
-           27,    30,    33,    37,    40,    44,    48,    51,
-           55,    59,    63,    67,    71,    75,    79,    83,
-           88,    92,    96,   100,   105,   109,   114,   118,
-          122,   127,   131,   136,   140,   145,   149,   154,
-          158,   163,   168,   172,   177,   181,   186,   190,
-          195,   199,   204,   208,   213,   217,   222,   226,
-          231,   235,   240,   244,   249,   253,   258,   262,
-          267,   271,   275,   280,   284,   289,   293,   297,
-          302,   306,   311,   315,   319,   324,   328,   332,
-          337,   341,   345,   349,   354,   358,   362,   367,
-          371,   375,   379,   384,   388,   392,   396,   401,
-          409,   417,   425,   433,   441,   449,   458,   466,
-          474,   482,   490,   498,   506,   514,   523,   531,
-          539,   547,   555,   563,   571,   579,   588,   596,
-          604,   616,   628,   640,   652,   664,   676,   688,
-          700,   713,   725,   737,   749,   761,   773,   785,
-          797,   809,   825,   841,   857,   873,   889,   905,
-          922,   938,   954,   970,   986,  1002,  1018,  1038,
-         1058,  1078,  1098,  1118,  1138,  1158,  1178,  1198,
-         1218,  1242,  1266,  1290,  1314,  1338,  1362,  1386,
-         1411,  1435,  1463,  1491,  1519,  1547,  1575,  1603,
-         1631,  1663,  1695,  1727,  1759,  1791,  1823,  1859,
-         1895,  1931,  1967,  2003,  2039,  2079,  2119,  2159,
-         2199,  2239,  2283,  2327,  2371,  2415,  2459,  2507,
-         2555,  2603,  2651,  2703,  2755,  2807,  2859,  2915,
-         2971,  3027,  3083,  3143,  3203,  3263,  3327,  3391,
-         3455,  3523,  3591,  3659,  3731,  3803,  3876,  3952,
-         4028,  4104,  4184,  4264,  4348,  4432,  4516,  4604,
-         4692,  4784,  4876,  4972,  5068,  5168,  5268,  5372,
-         5476,  5584,  5692,  5804,  5916,  6032,  6148,  6268,
-         6388,  6512,  6640,  6768,  6900,  7036,  7172,  7312,
-    }, {
-            4,    13,    19,    27,    35,    44,    54,    64,
-           75,    87,    99,   112,   126,   139,   154,   168,
-          183,   199,   214,   230,   247,   263,   280,   297,
-          314,   331,   349,   366,   384,   402,   420,   438,
-          456,   475,   493,   511,   530,   548,   567,   586,
-          604,   623,   642,   660,   679,   698,   716,   735,
-          753,   772,   791,   809,   828,   846,   865,   884,
-          902,   920,   939,   957,   976,   994,  1012,  1030,
-         1049,  1067,  1085,  1103,  1121,  1139,  1157,  1175,
-         1193,  1211,  1229,  1246,  1264,  1282,  1299,  1317,
-         1335,  1352,  1370,  1387,  1405,  1422,  1440,  1457,
-         1474,  1491,  1509,  1526,  1543,  1560,  1577,  1595,
-         1627,  1660,  1693,  1725,  1758,  1791,  1824,  1856,
-         1889,  1922,  1954,  1987,  2020,  2052,  2085,  2118,
-         2150,  2183,  2216,  2248,  2281,  2313,  2346,  2378,
-         2411,  2459,  2508,  2556,  2605,  2653,  2701,  2750,
-         2798,  2847,  2895,  2943,  2992,  3040,  3088,  3137,
-         3185,  3234,  3298,  3362,  3426,  3491,  3555,  3619,
-         3684,  3748,  3812,  3876,  3941,  4005,  4069,  4149,
-         4230,  4310,  4390,  4470,  4550,  4631,  4711,  4791,
-         4871,  4967,  5064,  5160,  5256,  5352,  5448,  5544,
-         5641,  5737,  5849,  5961,  6073,  6185,  6297,  6410,
-         6522,  6650,  6778,  6906,  7034,  7162,  7290,  7435,
-         7579,  7723,  7867,  8011,  8155,  8315,  8475,  8635,
-         8795,  8956,  9132,  9308,  9484,  9660,  9836, 10028,
-        10220, 10412, 10604, 10812, 11020, 11228, 11437, 11661,
-        11885, 12109, 12333, 12573, 12813, 13053, 13309, 13565,
-        13821, 14093, 14365, 14637, 14925, 15213, 15502, 15806,
-        16110, 16414, 16734, 17054, 17390, 17726, 18062, 18414,
-        18766, 19134, 19502, 19886, 20270, 20670, 21070, 21486,
-        21902, 22334, 22766, 23214, 23662, 24126, 24590, 25070,
-        25551, 26047, 26559, 27071, 27599, 28143, 28687, 29247,
-    }
-};
-
-static const enum TxfmType vp9_intra_txfm_type[14] = {
-    [VERT_PRED]            = ADST_DCT,
-    [HOR_PRED]             = DCT_ADST,
-    [DC_PRED]              = DCT_DCT,
-    [DIAG_DOWN_LEFT_PRED]  = DCT_DCT,
-    [DIAG_DOWN_RIGHT_PRED] = ADST_ADST,
-    [VERT_RIGHT_PRED]      = ADST_DCT,
-    [HOR_DOWN_PRED]        = DCT_ADST,
-    [VERT_LEFT_PRED]       = ADST_DCT,
-    [HOR_UP_PRED]          = DCT_ADST,
-    [TM_VP8_PRED]          = ADST_ADST,
-    [NEARESTMV]            = DCT_DCT,
-    [NEARMV]               = DCT_DCT,
-    [ZEROMV]               = DCT_DCT,
-    [NEWMV]                = DCT_DCT,
-};
-
-static const int16_t vp9_default_scan_4x4[16] = {
-     0,  1,  4,  5,
-     2,  8,  3,  6,
-    12,  9,  7, 10,
-    13, 11, 14, 15,
-};
-
-static const int16_t vp9_col_scan_4x4[16] = {
-     0,  1,  2,  4,
-     3,  5,  6,  8,
-     7,  9, 10, 12,
-    13, 11, 14, 15,
-};
-
-static const int16_t vp9_row_scan_4x4[16] = {
-     0,  4,  1,  8,
-     5, 12,  9,  2,
-     6, 13,  3, 10,
-     7, 14, 11, 15,
-};
-
-static const int16_t vp9_default_scan_8x8[64] = {
-     0,  1,  8,  2,  9, 16, 10,  3,
-    17, 24, 18, 11,  4, 25, 32, 19,
-    12, 26,  5, 33, 20, 27, 40, 13,
-    34,  6, 41, 28, 21, 35, 42, 48,
-    14,  7, 36, 29, 43, 56, 49, 22,
-    15, 37, 50, 44, 57, 30, 23, 51,
-    45, 58, 38, 31, 52, 59, 39, 46,
-    53, 60, 47, 54, 61, 55, 62, 63,
-};
-
-static const int16_t vp9_col_scan_8x8[64] = {
-     0,  1,  2,  8,  3,  9,  4, 10,
-    16,  5, 11, 17, 12, 18,  6, 24,
-    19, 13, 25,  7, 26, 20, 32, 14,
-    27, 21, 33, 28, 34, 15, 22, 35,
-    40, 29, 41, 36, 23, 30, 42, 37,
-    48, 43, 31, 44, 49, 38, 50, 56,
-    45, 39, 51, 57, 52, 46, 58, 53,
-    59, 47, 60, 54, 61, 55, 62, 63,
-};
-
-static const int16_t vp9_row_scan_8x8[64] = {
-     0,  8, 16,  1,  9, 24,  2, 17,
-    32, 10, 25,  3, 40, 18, 11, 33,
-    26, 19,  4, 48, 41, 34, 12, 27,
-    56, 20,  5, 42, 35, 13, 49, 28,
-     6, 21, 43, 36, 14, 50, 29, 57,
-     7, 44, 22, 37, 51, 15, 58, 30,
-    23, 45, 52, 38, 59, 31, 46, 53,
-    39, 60, 47, 61, 54, 62, 55, 63,
-};
-
-static const int16_t vp9_default_scan_16x16[256] = {
-      0,   1,  16,   2,  17,  32,   3,  18,  33,  48,   4,  34,  19,  49,  20,   5,
-     35,  64,  50,  36,  65,  21,   6,  51,  80,  66,  37,  22,  52,   7,  81,  67,
-     38,  82,  53,  23,  96,  68,   8,  83,  97,  54,  39,  69, 112,  24,  98,  84,
-     70,  55,   9,  40,  85,  99, 113, 128,  25, 114, 100,  71,  86,  56,  10,  41,
-    115, 101, 129, 116,  72,  87,  26, 130, 144, 102,  57,  11,  42, 117, 131, 145,
-     88, 103,  27,  73, 132, 118, 146,  58, 160,  12,  43, 133, 147, 104,  89, 119,
-    161,  74, 148, 134,  28, 162,  59,  13, 176, 120, 149,  90, 135, 105, 163,  44,
-     75, 177, 164,  29, 150, 121, 136, 178, 165,  14, 106,  60,  91, 151,  45, 179,
-    192, 137, 166, 122,  76, 180, 152,  30,  61,  15, 107, 167, 181, 193,  92, 208,
-     46, 138, 123, 153, 194,  77, 168, 182,  31, 195, 209, 183, 108, 139,  62, 154,
-     47, 196,  93, 169, 210, 197, 224, 124, 184, 211,  78, 109, 170, 155,  63, 198,
-    212, 185, 225, 240, 140,  94, 199, 125,  79, 213, 226, 171, 186, 156, 214, 200,
-    110, 227, 141,  95, 241, 215, 228, 201, 126, 242, 187, 172, 157, 229, 111, 216,
-    243, 142, 202, 230, 127, 217, 244, 173, 188, 231, 158, 203, 143, 245, 218, 232,
-    189, 246, 159, 174, 233, 247, 219, 204, 175, 190, 248, 234, 205, 220, 249, 191,
-    235, 221, 250, 206, 222, 251, 236, 207, 237, 223, 252, 238, 253, 239, 254, 255,
-};
-
-static const int16_t vp9_col_scan_16x16[256] = {
-      0,   1,   2,   3,  16,   4,  17,   5,  18,   6,  19,  32,  20,   7,  33,  21,
-     34,   8,  35,  22,  48,  36,   9,  49,  23,  50,  37,  10,  38,  51,  24,  64,
-     52,  11,  65,  39,  25,  53,  66,  54,  40,  67,  12,  80,  26,  68,  55,  81,
-     41,  69,  13,  27,  82,  56,  70,  83,  42,  14,  84,  96,  71,  28,  57,  85,
-     97,  15,  72,  98,  43,  86,  58,  99,  29,  87, 100, 112,  73,  44, 101,  59,
-     30, 113,  88, 114,  74, 128, 102,  45,  31, 115,  60, 103,  89, 116,  75, 129,
-    117,  46, 104,  90,  61, 130, 118, 131, 132, 105,  76,  47, 119, 144,  91,  62,
-    133, 106, 145, 120, 146, 134,  77, 147, 121,  92, 135, 148,  63, 107, 136, 122,
-     93, 149, 160,  78, 150, 137, 108, 161, 162, 151, 123,  79, 138, 163, 152,  94,
-    164, 109, 165, 153, 124, 139, 176, 166,  95, 177, 167, 110, 154, 178, 125, 179,
-    140, 168, 155, 111, 180, 192, 181, 169, 141, 126, 182, 193, 194, 156, 183, 170,
-    195, 127, 142, 196, 184, 208, 197, 157, 171, 143, 185, 198, 209, 199, 210, 172,
-    158, 186, 211, 224, 212, 200, 240, 159, 213, 225, 187, 201, 173, 226, 214, 215,
-    227, 202, 228, 188, 241, 216, 174, 229, 242, 203, 243, 217, 230, 175, 189, 244,
-    231, 204, 218, 232, 245, 219, 246, 190, 233, 205, 191, 247, 234, 248, 220, 206,
-    249, 235, 221, 207, 250, 236, 222, 251, 223, 237, 238, 252, 239, 253, 254, 255,
-};
-
-static const int16_t vp9_row_scan_16x16[256] = {
-      0,  16,  32,   1,  48,  17,  64,  33,   2,  80,  18,  49,  96,  34,   3,  65,
-     19, 112,  50,  81,  35,   4, 128,  66,  20,  97,  51,  82,   5, 144,  36,  67,
-    113,  98,  21,  52, 160,  83, 129,  37,  68,   6, 114, 176,  99,  53,  22,  84,
-    145,  38,  69, 130,   7, 115, 192, 100,  54,  23,  85, 161, 146, 131,  39,  70,
-    208, 116,   8, 101, 177,  55,  86,  24, 162, 147, 132,  71, 224, 117,  40, 102,
-      9, 148,  56,  87, 193, 163, 240, 133, 178,  25, 118,  72,  41, 103, 164,  10,
-    149,  88, 134, 209, 179,  57, 119, 194,  26,  73, 165, 150, 104,  42, 135,  11,
-    180, 120,  89, 225, 195,  58,  27, 210, 151, 181, 166,  74,  43, 105,  12, 136,
-     90,  59, 241, 121,  28, 196, 167, 211, 152,  44, 182, 137,  75,  13, 226, 106,
-    122,  60, 197,  91, 168,  29, 183, 153,  14,  76, 212, 138,  45, 107,  15, 198,
-     92, 227, 169,  30, 123, 154,  61, 242, 184, 213, 139,  46,  77,  31, 108, 170,
-    199, 185, 124, 228,  93, 155, 214,  62, 140, 243,  78,  47, 200, 109, 186, 171,
-    201,  94,  63, 215, 229, 156,  79, 125, 141, 110, 216, 187, 172, 244, 202, 230,
-    217,  95, 157, 126, 245, 111, 142, 231, 188, 127, 158, 218, 173, 232, 246, 233,
-    203, 143, 247, 174, 189, 159, 219, 204, 248, 234, 249, 175, 190, 220, 205, 250,
-    235, 191, 221, 251, 236, 206, 252, 222, 207, 237, 223, 253, 238, 254, 239, 255,
-};
-
-static const int16_t vp9_default_scan_32x32[1024] = {
-       0,    1,   32,    2,   33,   64,    3,   34,   65,    4,   96,   35,   66,    5,   36,   97,   67,  128,   98,   68,   37,    6,  129,   99,    7,  160,   69,   38,  130,  100,  161,  131,
-      39,   70,    8,  101,  162,  132,  192,   71,   40,    9,  102,  163,  133,  193,   72,  224,  103,   41,  164,   10,  194,  134,  165,   73,  104,  135,  225,   42,  195,   11,  256,  166,
-     226,  196,   74,  105,  136,   43,   12,  167,  197,  227,  257,   75,  106,  137,  228,   44,  198,  168,  258,  288,   13,  229,   76,  107,  199,  138,  259,  169,  289,   45,  230,  260,
-     200,  108,   14,  170,  139,  320,  290,   77,  231,  261,   46,  201,  140,  291,  109,  232,  321,  262,  171,   78,  292,   15,  322,  202,  263,  352,  172,  293,  233,  141,  323,  110,
-      47,  203,  264,  234,  294,  353,  324,   16,   79,  204,  265,  295,  325,  173,  354,  142,  235,  384,   48,  296,  111,  266,  355,  326,   80,   17,  205,  236,  174,  356,  385,  327,
-     143,  297,  267,  357,  386,  112,   49,  328,  298,  206,  416,  237,  358,  387,   81,  175,   18,  329,  359,  388,  299,  330,  389,  113,  417,  238,  360,   50,  207,  418,  390,  331,
-      19,  448,  361,   82,  419,  391,  239,   51,  362,  420,  114,  449,  480,  421,   83,  363,  450,  422,  512,  451,  423,  115,  452,  481,  453,  482,  454,  544,  483,  455,  513,  484,
-     514,  485,  515,  486,  545,  576,  487,  546,  547,  608,  577,  578,  579,  609,  610,  611,   20,  144,  268,  392,  516,  640,   21,   52,  145,  176,  269,  300,  393,  424,  517,  548,
-     641,  672,   22,   53,   84,  146,  177,  208,  270,  301,  332,  394,  425,  456,  518,  549,  580,  642,  673,  704,   23,   54,   85,  116,  147,  178,  209,  240,  271,  302,  333,  364,
-     395,  426,  457,  488,  519,  550,  581,  612,  643,  674,  705,  736,   55,   86,  117,  179,  210,  241,  303,  334,  365,  427,  458,  489,  551,  582,  613,  675,  706,  737,   87,  118,
-     211,  242,  335,  366,  459,  490,  583,  614,  707,  738,  119,  243,  367,  491,  615,  739,   24,  148,  272,  396,  520,  644,  768,   25,   56,  149,  180,  273,  304,  397,  428,  521,
-     552,  645,  676,  769,  800,   26,   57,   88,  150,  181,  212,  274,  305,  336,  398,  429,  460,  522,  553,  584,  646,  677,  708,  770,  801,  832,   27,   58,   89,  120,  151,  182,
-     213,  244,  275,  306,  337,  368,  399,  430,  461,  492,  523,  554,  585,  616,  647,  678,  709,  740,  771,  802,  833,  864,   59,   90,  121,  183,  214,  245,  307,  338,  369,  431,
-     462,  493,  555,  586,  617,  679,  710,  741,  803,  834,  865,   91,  122,  215,  246,  339,  370,  463,  494,  587,  618,  711,  742,  835,  866,  123,  247,  371,  495,  619,  743,  867,
-      28,  152,  276,  400,  524,  648,  772,  896,   29,   60,  153,  184,  277,  308,  401,  432,  525,  556,  649,  680,  773,  804,  897,  928,   30,   61,   92,  154,  185,  216,  278,  309,
-     340,  402,  433,  464,  526,  557,  588,  650,  681,  712,  774,  805,  836,  898,  929,  960,   31,   62,   93,  124,  155,  186,  217,  248,  279,  310,  341,  372,  403,  434,  465,  496,
-     527,  558,  589,  620,  651,  682,  713,  744,  775,  806,  837,  868,  899,  930,  961,  992,   63,   94,  125,  187,  218,  249,  311,  342,  373,  435,  466,  497,  559,  590,  621,  683,
-     714,  745,  807,  838,  869,  931,  962,  993,   95,  126,  219,  250,  343,  374,  467,  498,  591,  622,  715,  746,  839,  870,  963,  994,  127,  251,  375,  499,  623,  747,  871,  995,
-     156,  280,  404,  528,  652,  776,  900,  157,  188,  281,  312,  405,  436,  529,  560,  653,  684,  777,  808,  901,  932,  158,  189,  220,  282,  313,  344,  406,  437,  468,  530,  561,
-     592,  654,  685,  716,  778,  809,  840,  902,  933,  964,  159,  190,  221,  252,  283,  314,  345,  376,  407,  438,  469,  500,  531,  562,  593,  624,  655,  686,  717,  748,  779,  810,
-     841,  872,  903,  934,  965,  996,  191,  222,  253,  315,  346,  377,  439,  470,  501,  563,  594,  625,  687,  718,  749,  811,  842,  873,  935,  966,  997,  223,  254,  347,  378,  471,
-     502,  595,  626,  719,  750,  843,  874,  967,  998,  255,  379,  503,  627,  751,  875,  999,  284,  408,  532,  656,  780,  904,  285,  316,  409,  440,  533,  564,  657,  688,  781,  812,
-     905,  936,  286,  317,  348,  410,  441,  472,  534,  565,  596,  658,  689,  720,  782,  813,  844,  906,  937,  968,  287,  318,  349,  380,  411,  442,  473,  504,  535,  566,  597,  628,
-     659,  690,  721,  752,  783,  814,  845,  876,  907,  938,  969, 1000,  319,  350,  381,  443,  474,  505,  567,  598,  629,  691,  722,  753,  815,  846,  877,  939,  970, 1001,  351,  382,
-     475,  506,  599,  630,  723,  754,  847,  878,  971, 1002,  383,  507,  631,  755,  879, 1003,  412,  536,  660,  784,  908,  413,  444,  537,  568,  661,  692,  785,  816,  909,  940,  414,
-     445,  476,  538,  569,  600,  662,  693,  724,  786,  817,  848,  910,  941,  972,  415,  446,  477,  508,  539,  570,  601,  632,  663,  694,  725,  756,  787,  818,  849,  880,  911,  942,
-     973, 1004,  447,  478,  509,  571,  602,  633,  695,  726,  757,  819,  850,  881,  943,  974, 1005,  479,  510,  603,  634,  727,  758,  851,  882,  975, 1006,  511,  635,  759,  883, 1007,
-     540,  664,  788,  912,  541,  572,  665,  696,  789,  820,  913,  944,  542,  573,  604,  666,  697,  728,  790,  821,  852,  914,  945,  976,  543,  574,  605,  636,  667,  698,  729,  760,
-     791,  822,  853,  884,  915,  946,  977, 1008,  575,  606,  637,  699,  730,  761,  823,  854,  885,  947,  978, 1009,  607,  638,  731,  762,  855,  886,  979, 1010,  639,  763,  887, 1011,
-     668,  792,  916,  669,  700,  793,  824,  917,  948,  670,  701,  732,  794,  825,  856,  918,  949,  980,  671,  702,  733,  764,  795,  826,  857,  888,  919,  950,  981, 1012,  703,  734,
-     765,  827,  858,  889,  951,  982, 1013,  735,  766,  859,  890,  983, 1014,  767,  891, 1015,  796,  920,  797,  828,  921,  952,  798,  829,  860,  922,  953,  984,  799,  830,  861,  892,
-     923,  954,  985, 1016,  831,  862,  893,  955,  986, 1017,  863,  894,  987, 1018,  895, 1019,  924,  925,  956,  926,  957,  988,  927,  958,  989, 1020,  959,  990, 1021,  991, 1022, 1023,
-};
-
-static const int16_t * const vp9_scans[5][4] = {
-    {
-        vp9_default_scan_4x4, vp9_col_scan_4x4,
-        vp9_row_scan_4x4, vp9_default_scan_4x4
-    }, {
-        vp9_default_scan_8x8, vp9_col_scan_8x8,
-        vp9_row_scan_8x8, vp9_default_scan_8x8
-    }, {
-        vp9_default_scan_16x16, vp9_col_scan_16x16,
-        vp9_row_scan_16x16, vp9_default_scan_16x16
-    }, {
-        vp9_default_scan_32x32, vp9_default_scan_32x32,
-        vp9_default_scan_32x32, vp9_default_scan_32x32
-    }, { // lossless
-        vp9_default_scan_4x4, vp9_default_scan_4x4,
-        vp9_default_scan_4x4, vp9_default_scan_4x4
-    }
-};
-
-static const int16_t vp9_default_scan_4x4_nb[16][2] = {
-    {  0,  0 }, {  0,  0 }, {  4,  1 }, {  1,  1 },
-    {  4,  4 }, {  2,  2 }, {  5,  2 }, {  8,  8 },
-    {  8,  5 }, {  6,  3 }, {  9,  6 }, { 12,  9 },
-    { 10,  7 }, { 13, 10 }, { 14, 11 }, {  0,  0 },
-};
-
-static const int16_t vp9_col_scan_4x4_nb[16][2] = {
-    {  0,  0 }, {  1,  1 }, {  0,  0 }, {  2,  2 },
-    {  4,  4 }, {  5,  5 }, {  4,  4 }, {  6,  6 },
-    {  8,  8 }, {  9,  9 }, {  8,  8 }, { 12, 12 },
-    { 10, 10 }, { 13, 13 }, { 14, 14 }, {  0,  0 },
-};
-
-static const int16_t vp9_row_scan_4x4_nb[16][2] = {
-    {  0,  0 }, {  0,  0 }, {  4,  4 }, {  1,  1 },
-    {  8,  8 }, {  5,  5 }, {  1,  1 }, {  2,  2 },
-    {  9,  9 }, {  2,  2 }, {  6,  6 }, {  3,  3 },
-    { 10, 10 }, {  7,  7 }, { 11, 11 }, {  0,  0 },
-};
-
-static const int16_t vp9_default_scan_8x8_nb[64][2] = {
-    {  0,  0 }, {  0,  0 }, {  1,  1 }, {  8,  1 },
-    {  8,  8 }, {  9,  2 }, {  2,  2 }, { 16,  9 },
-    { 16, 16 }, { 17, 10 }, { 10,  3 }, {  3,  3 },
-    { 24, 17 }, { 24, 24 }, { 18, 11 }, { 11,  4 },
-    { 25, 18 }, {  4,  4 }, { 32, 25 }, { 19, 12 },
-    { 26, 19 }, { 32, 32 }, { 12,  5 }, { 33, 26 },
-    {  5,  5 }, { 40, 33 }, { 27, 20 }, { 20, 13 },
-    { 34, 27 }, { 41, 34 }, { 40, 40 }, { 13,  6 },
-    {  6,  6 }, { 35, 28 }, { 28, 21 }, { 42, 35 },
-    { 48, 48 }, { 48, 41 }, { 21, 14 }, { 14,  7 },
-    { 36, 29 }, { 49, 42 }, { 43, 36 }, { 56, 49 },
-    { 29, 22 }, { 22, 15 }, { 50, 43 }, { 44, 37 },
-    { 57, 50 }, { 37, 30 }, { 30, 23 }, { 51, 44 },
-    { 58, 51 }, { 38, 31 }, { 45, 38 }, { 52, 45 },
-    { 59, 52 }, { 46, 39 }, { 53, 46 }, { 60, 53 },
-    { 54, 47 }, { 61, 54 }, { 62, 55 }, {  0,  0 },
-};
-
-static const int16_t vp9_col_scan_8x8_nb[64][2] = {
-    {  0,  0 }, {  1,  1 }, {  0,  0 }, {  2,  2 },
-    {  8,  8 }, {  3,  3 }, {  9,  9 }, {  8,  8 },
-    {  4,  4 }, { 10, 10 }, { 16, 16 }, { 11, 11 },
-    { 17, 17 }, {  5,  5 }, { 16, 16 }, { 18, 18 },
-    { 12, 12 }, { 24, 24 }, {  6,  6 }, { 25, 25 },
-    { 19, 19 }, { 24, 24 }, { 13, 13 }, { 26, 26 },
-    { 20, 20 }, { 32, 32 }, { 27, 27 }, { 33, 33 },
-    { 14, 14 }, { 21, 21 }, { 34, 34 }, { 32, 32 },
-    { 28, 28 }, { 40, 40 }, { 35, 35 }, { 22, 22 },
-    { 29, 29 }, { 41, 41 }, { 36, 36 }, { 40, 40 },
-    { 42, 42 }, { 30, 30 }, { 43, 43 }, { 48, 48 },
-    { 37, 37 }, { 49, 49 }, { 48, 48 }, { 44, 44 },
-    { 38, 38 }, { 50, 50 }, { 56, 56 }, { 51, 51 },
-    { 45, 45 }, { 57, 57 }, { 52, 52 }, { 58, 58 },
-    { 46, 46 }, { 59, 59 }, { 53, 53 }, { 60, 60 },
-    { 54, 54 }, { 61, 61 }, { 62, 62 }, {  0,  0 },
-};
-
-static const int16_t vp9_row_scan_8x8_nb[64][2] = {
-    {  0,  0 }, {  8,  8 }, {  0,  0 }, {  1,  1 },
-    { 16, 16 }, {  1,  1 }, {  9,  9 }, { 24, 24 },
-    {  2,  2 }, { 17, 17 }, {  2,  2 }, { 32, 32 },
-    { 10, 10 }, {  3,  3 }, { 25, 25 }, { 18, 18 },
-    { 11, 11 }, {  3,  3 }, { 40, 40 }, { 33, 33 },
-    { 26, 26 }, {  4,  4 }, { 19, 19 }, { 48, 48 },
-    { 12, 12 }, {  4,  4 }, { 34, 34 }, { 27, 27 },
-    {  5,  5 }, { 41, 41 }, { 20, 20 }, {  5,  5 },
-    { 13, 13 }, { 35, 35 }, { 28, 28 }, {  6,  6 },
-    { 42, 42 }, { 21, 21 }, { 49, 49 }, {  6,  6 },
-    { 36, 36 }, { 14, 14 }, { 29, 29 }, { 43, 43 },
-    {  7,  7 }, { 50, 50 }, { 22, 22 }, { 15, 15 },
-    { 37, 37 }, { 44, 44 }, { 30, 30 }, { 51, 51 },
-    { 23, 23 }, { 38, 38 }, { 45, 45 }, { 31, 31 },
-    { 52, 52 }, { 39, 39 }, { 53, 53 }, { 46, 46 },
-    { 54, 54 }, { 47, 47 }, { 55, 55 }, {  0,  0 },
-};
-
-static const int16_t vp9_default_scan_16x16_nb[256][2] = {
-    {   0,   0 }, {   0,   0 }, {   1,   1 }, {  16,   1 },
-    {  16,  16 }, {   2,   2 }, {  17,   2 }, {  32,  17 },
-    {  32,  32 }, {   3,   3 }, {  33,  18 }, {  18,   3 },
-    {  48,  33 }, {  19,   4 }, {   4,   4 }, {  34,  19 },
-    {  48,  48 }, {  49,  34 }, {  35,  20 }, {  64,  49 },
-    {  20,   5 }, {   5,   5 }, {  50,  35 }, {  64,  64 },
-    {  65,  50 }, {  36,  21 }, {  21,   6 }, {  51,  36 },
-    {   6,   6 }, {  80,  65 }, {  66,  51 }, {  37,  22 },
-    {  81,  66 }, {  52,  37 }, {  22,   7 }, {  80,  80 },
-    {  67,  52 }, {   7,   7 }, {  82,  67 }, {  96,  81 },
-    {  53,  38 }, {  38,  23 }, {  68,  53 }, {  96,  96 },
-    {  23,   8 }, {  97,  82 }, {  83,  68 }, {  69,  54 },
-    {  54,  39 }, {   8,   8 }, {  39,  24 }, {  84,  69 },
-    {  98,  83 }, { 112,  97 }, { 112, 112 }, {  24,   9 },
-    { 113,  98 }, {  99,  84 }, {  70,  55 }, {  85,  70 },
-    {  55,  40 }, {   9,   9 }, {  40,  25 }, { 114,  99 },
-    { 100,  85 }, { 128, 113 }, { 115, 100 }, {  71,  56 },
-    {  86,  71 }, {  25,  10 }, { 129, 114 }, { 128, 128 },
-    { 101,  86 }, {  56,  41 }, {  10,  10 }, {  41,  26 },
-    { 116, 101 }, { 130, 115 }, { 144, 129 }, {  87,  72 },
-    { 102,  87 }, {  26,  11 }, {  72,  57 }, { 131, 116 },
-    { 117, 102 }, { 145, 130 }, {  57,  42 }, { 144, 144 },
-    {  11,  11 }, {  42,  27 }, { 132, 117 }, { 146, 131 },
-    { 103,  88 }, {  88,  73 }, { 118, 103 }, { 160, 145 },
-    {  73,  58 }, { 147, 132 }, { 133, 118 }, {  27,  12 },
-    { 161, 146 }, {  58,  43 }, {  12,  12 }, { 160, 160 },
-    { 119, 104 }, { 148, 133 }, {  89,  74 }, { 134, 119 },
-    { 104,  89 }, { 162, 147 }, {  43,  28 }, {  74,  59 },
-    { 176, 161 }, { 163, 148 }, {  28,  13 }, { 149, 134 },
-    { 120, 105 }, { 135, 120 }, { 177, 162 }, { 164, 149 },
-    {  13,  13 }, { 105,  90 }, {  59,  44 }, {  90,  75 },
-    { 150, 135 }, {  44,  29 }, { 178, 163 }, { 176, 176 },
-    { 136, 121 }, { 165, 150 }, { 121, 106 }, {  75,  60 },
-    { 179, 164 }, { 151, 136 }, {  29,  14 }, {  60,  45 },
-    {  14,  14 }, { 106,  91 }, { 166, 151 }, { 180, 165 },
-    { 192, 177 }, {  91,  76 }, { 192, 192 }, {  45,  30 },
-    { 137, 122 }, { 122, 107 }, { 152, 137 }, { 193, 178 },
-    {  76,  61 }, { 167, 152 }, { 181, 166 }, {  30,  15 },
-    { 194, 179 }, { 208, 193 }, { 182, 167 }, { 107,  92 },
-    { 138, 123 }, {  61,  46 }, { 153, 138 }, {  46,  31 },
-    { 195, 180 }, {  92,  77 }, { 168, 153 }, { 209, 194 },
-    { 196, 181 }, { 208, 208 }, { 123, 108 }, { 183, 168 },
-    { 210, 195 }, {  77,  62 }, { 108,  93 }, { 169, 154 },
-    { 154, 139 }, {  62,  47 }, { 197, 182 }, { 211, 196 },
-    { 184, 169 }, { 224, 209 }, { 224, 224 }, { 139, 124 },
-    {  93,  78 }, { 198, 183 }, { 124, 109 }, {  78,  63 },
-    { 212, 197 }, { 225, 210 }, { 170, 155 }, { 185, 170 },
-    { 155, 140 }, { 213, 198 }, { 199, 184 }, { 109,  94 },
-    { 226, 211 }, { 140, 125 }, {  94,  79 }, { 240, 225 },
-    { 214, 199 }, { 227, 212 }, { 200, 185 }, { 125, 110 },
-    { 241, 226 }, { 186, 171 }, { 171, 156 }, { 156, 141 },
-    { 228, 213 }, { 110,  95 }, { 215, 200 }, { 242, 227 },
-    { 141, 126 }, { 201, 186 }, { 229, 214 }, { 126, 111 },
-    { 216, 201 }, { 243, 228 }, { 172, 157 }, { 187, 172 },
-    { 230, 215 }, { 157, 142 }, { 202, 187 }, { 142, 127 },
-    { 244, 229 }, { 217, 202 }, { 231, 216 }, { 188, 173 },
-    { 245, 230 }, { 158, 143 }, { 173, 158 }, { 232, 217 },
-    { 246, 231 }, { 218, 203 }, { 203, 188 }, { 174, 159 },
-    { 189, 174 }, { 247, 232 }, { 233, 218 }, { 204, 189 },
-    { 219, 204 }, { 248, 233 }, { 190, 175 }, { 234, 219 },
-    { 220, 205 }, { 249, 234 }, { 205, 190 }, { 221, 206 },
-    { 250, 235 }, { 235, 220 }, { 206, 191 }, { 236, 221 },
-    { 222, 207 }, { 251, 236 }, { 237, 222 }, { 252, 237 },
-    { 238, 223 }, { 253, 238 }, { 254, 239 }, {   0,   0 },
-};
-
-static const int16_t vp9_col_scan_16x16_nb[256][2] = {
-    {   0,   0 }, {   1,   1 }, {   2,   2 }, {   0,   0 },
-    {   3,   3 }, {  16,  16 }, {   4,   4 }, {  17,  17 },
-    {   5,   5 }, {  18,  18 }, {  16,  16 }, {  19,  19 },
-    {   6,   6 }, {  32,  32 }, {  20,  20 }, {  33,  33 },
-    {   7,   7 }, {  34,  34 }, {  21,  21 }, {  32,  32 },
-    {  35,  35 }, {   8,   8 }, {  48,  48 }, {  22,  22 },
-    {  49,  49 }, {  36,  36 }, {   9,   9 }, {  37,  37 },
-    {  50,  50 }, {  23,  23 }, {  48,  48 }, {  51,  51 },
-    {  10,  10 }, {  64,  64 }, {  38,  38 }, {  24,  24 },
-    {  52,  52 }, {  65,  65 }, {  53,  53 }, {  39,  39 },
-    {  66,  66 }, {  11,  11 }, {  64,  64 }, {  25,  25 },
-    {  67,  67 }, {  54,  54 }, {  80,  80 }, {  40,  40 },
-    {  68,  68 }, {  12,  12 }, {  26,  26 }, {  81,  81 },
-    {  55,  55 }, {  69,  69 }, {  82,  82 }, {  41,  41 },
-    {  13,  13 }, {  83,  83 }, {  80,  80 }, {  70,  70 },
-    {  27,  27 }, {  56,  56 }, {  84,  84 }, {  96,  96 },
-    {  14,  14 }, {  71,  71 }, {  97,  97 }, {  42,  42 },
-    {  85,  85 }, {  57,  57 }, {  98,  98 }, {  28,  28 },
-    {  86,  86 }, {  99,  99 }, {  96,  96 }, {  72,  72 },
-    {  43,  43 }, { 100, 100 }, {  58,  58 }, {  29,  29 },
-    { 112, 112 }, {  87,  87 }, { 113, 113 }, {  73,  73 },
-    { 112, 112 }, { 101, 101 }, {  44,  44 }, {  30,  30 },
-    { 114, 114 }, {  59,  59 }, { 102, 102 }, {  88,  88 },
-    { 115, 115 }, {  74,  74 }, { 128, 128 }, { 116, 116 },
-    {  45,  45 }, { 103, 103 }, {  89,  89 }, {  60,  60 },
-    { 129, 129 }, { 117, 117 }, { 130, 130 }, { 131, 131 },
-    { 104, 104 }, {  75,  75 }, {  46,  46 }, { 118, 118 },
-    { 128, 128 }, {  90,  90 }, {  61,  61 }, { 132, 132 },
-    { 105, 105 }, { 144, 144 }, { 119, 119 }, { 145, 145 },
-    { 133, 133 }, {  76,  76 }, { 146, 146 }, { 120, 120 },
-    {  91,  91 }, { 134, 134 }, { 147, 147 }, {  62,  62 },
-    { 106, 106 }, { 135, 135 }, { 121, 121 }, {  92,  92 },
-    { 148, 148 }, { 144, 144 }, {  77,  77 }, { 149, 149 },
-    { 136, 136 }, { 107, 107 }, { 160, 160 }, { 161, 161 },
-    { 150, 150 }, { 122, 122 }, {  78,  78 }, { 137, 137 },
-    { 162, 162 }, { 151, 151 }, {  93,  93 }, { 163, 163 },
-    { 108, 108 }, { 164, 164 }, { 152, 152 }, { 123, 123 },
-    { 138, 138 }, { 160, 160 }, { 165, 165 }, {  94,  94 },
-    { 176, 176 }, { 166, 166 }, { 109, 109 }, { 153, 153 },
-    { 177, 177 }, { 124, 124 }, { 178, 178 }, { 139, 139 },
-    { 167, 167 }, { 154, 154 }, { 110, 110 }, { 179, 179 },
-    { 176, 176 }, { 180, 180 }, { 168, 168 }, { 140, 140 },
-    { 125, 125 }, { 181, 181 }, { 192, 192 }, { 193, 193 },
-    { 155, 155 }, { 182, 182 }, { 169, 169 }, { 194, 194 },
-    { 126, 126 }, { 141, 141 }, { 195, 195 }, { 183, 183 },
-    { 192, 192 }, { 196, 196 }, { 156, 156 }, { 170, 170 },
-    { 142, 142 }, { 184, 184 }, { 197, 197 }, { 208, 208 },
-    { 198, 198 }, { 209, 209 }, { 171, 171 }, { 157, 157 },
-    { 185, 185 }, { 210, 210 }, { 208, 208 }, { 211, 211 },
-    { 199, 199 }, { 224, 224 }, { 158, 158 }, { 212, 212 },
-    { 224, 224 }, { 186, 186 }, { 200, 200 }, { 172, 172 },
-    { 225, 225 }, { 213, 213 }, { 214, 214 }, { 226, 226 },
-    { 201, 201 }, { 227, 227 }, { 187, 187 }, { 240, 240 },
-    { 215, 215 }, { 173, 173 }, { 228, 228 }, { 241, 241 },
-    { 202, 202 }, { 242, 242 }, { 216, 216 }, { 229, 229 },
-    { 174, 174 }, { 188, 188 }, { 243, 243 }, { 230, 230 },
-    { 203, 203 }, { 217, 217 }, { 231, 231 }, { 244, 244 },
-    { 218, 218 }, { 245, 245 }, { 189, 189 }, { 232, 232 },
-    { 204, 204 }, { 190, 190 }, { 246, 246 }, { 233, 233 },
-    { 247, 247 }, { 219, 219 }, { 205, 205 }, { 248, 248 },
-    { 234, 234 }, { 220, 220 }, { 206, 206 }, { 249, 249 },
-    { 235, 235 }, { 221, 221 }, { 250, 250 }, { 222, 222 },
-    { 236, 236 }, { 237, 237 }, { 251, 251 }, { 238, 238 },
-    { 252, 252 }, { 253, 253 }, { 254, 254 }, {   0,   0 },
-};
-
-static const int16_t vp9_row_scan_16x16_nb[256][2] = {
-    {   0,   0 }, {  16,  16 }, {   0,   0 }, {  32,  32 },
-    {   1,   1 }, {  48,  48 }, {  17,  17 }, {   1,   1 },
-    {  64,  64 }, {   2,   2 }, {  33,  33 }, {  80,  80 },
-    {  18,  18 }, {   2,   2 }, {  49,  49 }, {   3,   3 },
-    {  96,  96 }, {  34,  34 }, {  65,  65 }, {  19,  19 },
-    {   3,   3 }, { 112, 112 }, {  50,  50 }, {   4,   4 },
-    {  81,  81 }, {  35,  35 }, {  66,  66 }, {   4,   4 },
-    { 128, 128 }, {  20,  20 }, {  51,  51 }, {  97,  97 },
-    {  82,  82 }, {   5,   5 }, {  36,  36 }, { 144, 144 },
-    {  67,  67 }, { 113, 113 }, {  21,  21 }, {  52,  52 },
-    {   5,   5 }, {  98,  98 }, { 160, 160 }, {  83,  83 },
-    {  37,  37 }, {   6,   6 }, {  68,  68 }, { 129, 129 },
-    {  22,  22 }, {  53,  53 }, { 114, 114 }, {   6,   6 },
-    {  99,  99 }, { 176, 176 }, {  84,  84 }, {  38,  38 },
-    {   7,   7 }, {  69,  69 }, { 145, 145 }, { 130, 130 },
-    { 115, 115 }, {  23,  23 }, {  54,  54 }, { 192, 192 },
-    { 100, 100 }, {   7,   7 }, {  85,  85 }, { 161, 161 },
-    {  39,  39 }, {  70,  70 }, {   8,   8 }, { 146, 146 },
-    { 131, 131 }, { 116, 116 }, {  55,  55 }, { 208, 208 },
-    { 101, 101 }, {  24,  24 }, {  86,  86 }, {   8,   8 },
-    { 132, 132 }, {  40,  40 }, {  71,  71 }, { 177, 177 },
-    { 147, 147 }, { 224, 224 }, { 117, 117 }, { 162, 162 },
-    {   9,   9 }, { 102, 102 }, {  56,  56 }, {  25,  25 },
-    {  87,  87 }, { 148, 148 }, {   9,   9 }, { 133, 133 },
-    {  72,  72 }, { 118, 118 }, { 193, 193 }, { 163, 163 },
-    {  41,  41 }, { 103, 103 }, { 178, 178 }, {  10,  10 },
-    {  57,  57 }, { 149, 149 }, { 134, 134 }, {  88,  88 },
-    {  26,  26 }, { 119, 119 }, {  10,  10 }, { 164, 164 },
-    { 104, 104 }, {  73,  73 }, { 209, 209 }, { 179, 179 },
-    {  42,  42 }, {  11,  11 }, { 194, 194 }, { 135, 135 },
-    { 165, 165 }, { 150, 150 }, {  58,  58 }, {  27,  27 },
-    {  89,  89 }, {  11,  11 }, { 120, 120 }, {  74,  74 },
-    {  43,  43 }, { 225, 225 }, { 105, 105 }, {  12,  12 },
-    { 180, 180 }, { 151, 151 }, { 195, 195 }, { 136, 136 },
-    {  28,  28 }, { 166, 166 }, { 121, 121 }, {  59,  59 },
-    {  12,  12 }, { 210, 210 }, {  90,  90 }, { 106, 106 },
-    {  44,  44 }, { 181, 181 }, {  75,  75 }, { 152, 152 },
-    {  13,  13 }, { 167, 167 }, { 137, 137 }, {  13,  13 },
-    {  60,  60 }, { 196, 196 }, { 122, 122 }, {  29,  29 },
-    {  91,  91 }, {  14,  14 }, { 182, 182 }, {  76,  76 },
-    { 211, 211 }, { 153, 153 }, {  14,  14 }, { 107, 107 },
-    { 138, 138 }, {  45,  45 }, { 226, 226 }, { 168, 168 },
-    { 197, 197 }, { 123, 123 }, {  30,  30 }, {  61,  61 },
-    {  15,  15 }, {  92,  92 }, { 154, 154 }, { 183, 183 },
-    { 169, 169 }, { 108, 108 }, { 212, 212 }, {  77,  77 },
-    { 139, 139 }, { 198, 198 }, {  46,  46 }, { 124, 124 },
-    { 227, 227 }, {  62,  62 }, {  31,  31 }, { 184, 184 },
-    {  93,  93 }, { 170, 170 }, { 155, 155 }, { 185, 185 },
-    {  78,  78 }, {  47,  47 }, { 199, 199 }, { 213, 213 },
-    { 140, 140 }, {  63,  63 }, { 109, 109 }, { 125, 125 },
-    {  94,  94 }, { 200, 200 }, { 171, 171 }, { 156, 156 },
-    { 228, 228 }, { 186, 186 }, { 214, 214 }, { 201, 201 },
-    {  79,  79 }, { 141, 141 }, { 110, 110 }, { 229, 229 },
-    {  95,  95 }, { 126, 126 }, { 215, 215 }, { 172, 172 },
-    { 111, 111 }, { 142, 142 }, { 202, 202 }, { 157, 157 },
-    { 216, 216 }, { 230, 230 }, { 217, 217 }, { 187, 187 },
-    { 127, 127 }, { 231, 231 }, { 158, 158 }, { 173, 173 },
-    { 143, 143 }, { 203, 203 }, { 188, 188 }, { 232, 232 },
-    { 218, 218 }, { 233, 233 }, { 159, 159 }, { 174, 174 },
-    { 204, 204 }, { 189, 189 }, { 234, 234 }, { 219, 219 },
-    { 175, 175 }, { 205, 205 }, { 235, 235 }, { 220, 220 },
-    { 190, 190 }, { 236, 236 }, { 206, 206 }, { 191, 191 },
-    { 221, 221 }, { 207, 207 }, { 237, 237 }, { 222, 222 },
-    { 238, 238 }, { 223, 223 }, { 239, 239 }, {   0,   0 },
-};
-
-static const int16_t vp9_default_scan_32x32_nb[1024][2] = {
-    {    0,    0 }, {    0,    0 }, {    1,    1 }, {   32,    1 },
-    {   32,   32 }, {    2,    2 }, {   33,    2 }, {   64,   33 },
-    {    3,    3 }, {   64,   64 }, {   34,    3 }, {   65,   34 },
-    {    4,    4 }, {   35,    4 }, {   96,   65 }, {   66,   35 },
-    {   96,   96 }, {   97,   66 }, {   67,   36 }, {   36,    5 },
-    {    5,    5 }, {  128,   97 }, {   98,   67 }, {    6,    6 },
-    {  128,  128 }, {   68,   37 }, {   37,    6 }, {  129,   98 },
-    {   99,   68 }, {  160,  129 }, {  130,   99 }, {   38,    7 },
-    {   69,   38 }, {    7,    7 }, {  100,   69 }, {  161,  130 },
-    {  131,  100 }, {  160,  160 }, {   70,   39 }, {   39,    8 },
-    {    8,    8 }, {  101,   70 }, {  162,  131 }, {  132,  101 },
-    {  192,  161 }, {   71,   40 }, {  192,  192 }, {  102,   71 },
-    {   40,    9 }, {  163,  132 }, {    9,    9 }, {  193,  162 },
-    {  133,  102 }, {  164,  133 }, {   72,   41 }, {  103,   72 },
-    {  134,  103 }, {  224,  193 }, {   41,   10 }, {  194,  163 },
-    {   10,   10 }, {  224,  224 }, {  165,  134 }, {  225,  194 },
-    {  195,  164 }, {   73,   42 }, {  104,   73 }, {  135,  104 },
-    {   42,   11 }, {   11,   11 }, {  166,  135 }, {  196,  165 },
-    {  226,  195 }, {  256,  225 }, {   74,   43 }, {  105,   74 },
-    {  136,  105 }, {  227,  196 }, {   43,   12 }, {  197,  166 },
-    {  167,  136 }, {  257,  226 }, {  256,  256 }, {   12,   12 },
-    {  228,  197 }, {   75,   44 }, {  106,   75 }, {  198,  167 },
-    {  137,  106 }, {  258,  227 }, {  168,  137 }, {  288,  257 },
-    {   44,   13 }, {  229,  198 }, {  259,  228 }, {  199,  168 },
-    {  107,   76 }, {   13,   13 }, {  169,  138 }, {  138,  107 },
-    {  288,  288 }, {  289,  258 }, {   76,   45 }, {  230,  199 },
-    {  260,  229 }, {   45,   14 }, {  200,  169 }, {  139,  108 },
-    {  290,  259 }, {  108,   77 }, {  231,  200 }, {  320,  289 },
-    {  261,  230 }, {  170,  139 }, {   77,   46 }, {  291,  260 },
-    {   14,   14 }, {  321,  290 }, {  201,  170 }, {  262,  231 },
-    {  320,  320 }, {  171,  140 }, {  292,  261 }, {  232,  201 },
-    {  140,  109 }, {  322,  291 }, {  109,   78 }, {   46,   15 },
-    {  202,  171 }, {  263,  232 }, {  233,  202 }, {  293,  262 },
-    {  352,  321 }, {  323,  292 }, {   15,   15 }, {   78,   47 },
-    {  203,  172 }, {  264,  233 }, {  294,  263 }, {  324,  293 },
-    {  172,  141 }, {  353,  322 }, {  141,  110 }, {  234,  203 },
-    {  352,  352 }, {   47,   16 }, {  295,  264 }, {  110,   79 },
-    {  265,  234 }, {  354,  323 }, {  325,  294 }, {   79,   48 },
-    {   16,   16 }, {  204,  173 }, {  235,  204 }, {  173,  142 },
-    {  355,  324 }, {  384,  353 }, {  326,  295 }, {  142,  111 },
-    {  296,  265 }, {  266,  235 }, {  356,  325 }, {  385,  354 },
-    {  111,   80 }, {   48,   17 }, {  327,  296 }, {  297,  266 },
-    {  205,  174 }, {  384,  384 }, {  236,  205 }, {  357,  326 },
-    {  386,  355 }, {   80,   49 }, {  174,  143 }, {   17,   17 },
-    {  328,  297 }, {  358,  327 }, {  387,  356 }, {  298,  267 },
-    {  329,  298 }, {  388,  357 }, {  112,   81 }, {  416,  385 },
-    {  237,  206 }, {  359,  328 }, {   49,   18 }, {  206,  175 },
-    {  417,  386 }, {  389,  358 }, {  330,  299 }, {   18,   18 },
-    {  416,  416 }, {  360,  329 }, {   81,   50 }, {  418,  387 },
-    {  390,  359 }, {  238,  207 }, {   50,   19 }, {  361,  330 },
-    {  419,  388 }, {  113,   82 }, {  448,  417 }, {  448,  448 },
-    {  420,  389 }, {   82,   51 }, {  362,  331 }, {  449,  418 },
-    {  421,  390 }, {  480,  480 }, {  450,  419 }, {  422,  391 },
-    {  114,   83 }, {  451,  420 }, {  480,  449 }, {  452,  421 },
-    {  481,  450 }, {  453,  422 }, {  512,  512 }, {  482,  451 },
-    {  454,  423 }, {  512,  481 }, {  483,  452 }, {  513,  482 },
-    {  484,  453 }, {  514,  483 }, {  485,  454 }, {  544,  513 },
-    {  544,  544 }, {  486,  455 }, {  545,  514 }, {  546,  515 },
-    {  576,  576 }, {  576,  545 }, {  577,  546 }, {  578,  547 },
-    {  608,  577 }, {  609,  578 }, {  610,  579 }, {   19,   19 },
-    {  143,  112 }, {  267,  236 }, {  391,  360 }, {  515,  484 },
-    {  608,  608 }, {   20,   20 }, {   51,   20 }, {  144,  113 },
-    {  175,  144 }, {  268,  237 }, {  299,  268 }, {  392,  361 },
-    {  423,  392 }, {  516,  485 }, {  547,  516 }, {  640,  609 },
-    {  640,  640 }, {   21,   21 }, {   52,   21 }, {   83,   52 },
-    {  145,  114 }, {  176,  145 }, {  207,  176 }, {  269,  238 },
-    {  300,  269 }, {  331,  300 }, {  393,  362 }, {  424,  393 },
-    {  455,  424 }, {  517,  486 }, {  548,  517 }, {  579,  548 },
-    {  641,  610 }, {  672,  641 }, {  672,  672 }, {   22,   22 },
-    {   53,   22 }, {   84,   53 }, {  115,   84 }, {  146,  115 },
-    {  177,  146 }, {  208,  177 }, {  239,  208 }, {  270,  239 },
-    {  301,  270 }, {  332,  301 }, {  363,  332 }, {  394,  363 },
-    {  425,  394 }, {  456,  425 }, {  487,  456 }, {  518,  487 },
-    {  549,  518 }, {  580,  549 }, {  611,  580 }, {  642,  611 },
-    {  673,  642 }, {  704,  673 }, {  704,  704 }, {   54,   23 },
-    {   85,   54 }, {  116,   85 }, {  178,  147 }, {  209,  178 },
-    {  240,  209 }, {  302,  271 }, {  333,  302 }, {  364,  333 },
-    {  426,  395 }, {  457,  426 }, {  488,  457 }, {  550,  519 },
-    {  581,  550 }, {  612,  581 }, {  674,  643 }, {  705,  674 },
-    {  736,  705 }, {   86,   55 }, {  117,   86 }, {  210,  179 },
-    {  241,  210 }, {  334,  303 }, {  365,  334 }, {  458,  427 },
-    {  489,  458 }, {  582,  551 }, {  613,  582 }, {  706,  675 },
-    {  737,  706 }, {  118,   87 }, {  242,  211 }, {  366,  335 },
-    {  490,  459 }, {  614,  583 }, {  738,  707 }, {   23,   23 },
-    {  147,  116 }, {  271,  240 }, {  395,  364 }, {  519,  488 },
-    {  643,  612 }, {  736,  736 }, {   24,   24 }, {   55,   24 },
-    {  148,  117 }, {  179,  148 }, {  272,  241 }, {  303,  272 },
-    {  396,  365 }, {  427,  396 }, {  520,  489 }, {  551,  520 },
-    {  644,  613 }, {  675,  644 }, {  768,  737 }, {  768,  768 },
-    {   25,   25 }, {   56,   25 }, {   87,   56 }, {  149,  118 },
-    {  180,  149 }, {  211,  180 }, {  273,  242 }, {  304,  273 },
-    {  335,  304 }, {  397,  366 }, {  428,  397 }, {  459,  428 },
-    {  521,  490 }, {  552,  521 }, {  583,  552 }, {  645,  614 },
-    {  676,  645 }, {  707,  676 }, {  769,  738 }, {  800,  769 },
-    {  800,  800 }, {   26,   26 }, {   57,   26 }, {   88,   57 },
-    {  119,   88 }, {  150,  119 }, {  181,  150 }, {  212,  181 },
-    {  243,  212 }, {  274,  243 }, {  305,  274 }, {  336,  305 },
-    {  367,  336 }, {  398,  367 }, {  429,  398 }, {  460,  429 },
-    {  491,  460 }, {  522,  491 }, {  553,  522 }, {  584,  553 },
-    {  615,  584 }, {  646,  615 }, {  677,  646 }, {  708,  677 },
-    {  739,  708 }, {  770,  739 }, {  801,  770 }, {  832,  801 },
-    {  832,  832 }, {   58,   27 }, {   89,   58 }, {  120,   89 },
-    {  182,  151 }, {  213,  182 }, {  244,  213 }, {  306,  275 },
-    {  337,  306 }, {  368,  337 }, {  430,  399 }, {  461,  430 },
-    {  492,  461 }, {  554,  523 }, {  585,  554 }, {  616,  585 },
-    {  678,  647 }, {  709,  678 }, {  740,  709 }, {  802,  771 },
-    {  833,  802 }, {  864,  833 }, {   90,   59 }, {  121,   90 },
-    {  214,  183 }, {  245,  214 }, {  338,  307 }, {  369,  338 },
-    {  462,  431 }, {  493,  462 }, {  586,  555 }, {  617,  586 },
-    {  710,  679 }, {  741,  710 }, {  834,  803 }, {  865,  834 },
-    {  122,   91 }, {  246,  215 }, {  370,  339 }, {  494,  463 },
-    {  618,  587 }, {  742,  711 }, {  866,  835 }, {   27,   27 },
-    {  151,  120 }, {  275,  244 }, {  399,  368 }, {  523,  492 },
-    {  647,  616 }, {  771,  740 }, {  864,  864 }, {   28,   28 },
-    {   59,   28 }, {  152,  121 }, {  183,  152 }, {  276,  245 },
-    {  307,  276 }, {  400,  369 }, {  431,  400 }, {  524,  493 },
-    {  555,  524 }, {  648,  617 }, {  679,  648 }, {  772,  741 },
-    {  803,  772 }, {  896,  865 }, {  896,  896 }, {   29,   29 },
-    {   60,   29 }, {   91,   60 }, {  153,  122 }, {  184,  153 },
-    {  215,  184 }, {  277,  246 }, {  308,  277 }, {  339,  308 },
-    {  401,  370 }, {  432,  401 }, {  463,  432 }, {  525,  494 },
-    {  556,  525 }, {  587,  556 }, {  649,  618 }, {  680,  649 },
-    {  711,  680 }, {  773,  742 }, {  804,  773 }, {  835,  804 },
-    {  897,  866 }, {  928,  897 }, {  928,  928 }, {   30,   30 },
-    {   61,   30 }, {   92,   61 }, {  123,   92 }, {  154,  123 },
-    {  185,  154 }, {  216,  185 }, {  247,  216 }, {  278,  247 },
-    {  309,  278 }, {  340,  309 }, {  371,  340 }, {  402,  371 },
-    {  433,  402 }, {  464,  433 }, {  495,  464 }, {  526,  495 },
-    {  557,  526 }, {  588,  557 }, {  619,  588 }, {  650,  619 },
-    {  681,  650 }, {  712,  681 }, {  743,  712 }, {  774,  743 },
-    {  805,  774 }, {  836,  805 }, {  867,  836 }, {  898,  867 },
-    {  929,  898 }, {  960,  929 }, {  960,  960 }, {   62,   31 },
-    {   93,   62 }, {  124,   93 }, {  186,  155 }, {  217,  186 },
-    {  248,  217 }, {  310,  279 }, {  341,  310 }, {  372,  341 },
-    {  434,  403 }, {  465,  434 }, {  496,  465 }, {  558,  527 },
-    {  589,  558 }, {  620,  589 }, {  682,  651 }, {  713,  682 },
-    {  744,  713 }, {  806,  775 }, {  837,  806 }, {  868,  837 },
-    {  930,  899 }, {  961,  930 }, {  992,  961 }, {   94,   63 },
-    {  125,   94 }, {  218,  187 }, {  249,  218 }, {  342,  311 },
-    {  373,  342 }, {  466,  435 }, {  497,  466 }, {  590,  559 },
-    {  621,  590 }, {  714,  683 }, {  745,  714 }, {  838,  807 },
-    {  869,  838 }, {  962,  931 }, {  993,  962 }, {  126,   95 },
-    {  250,  219 }, {  374,  343 }, {  498,  467 }, {  622,  591 },
-    {  746,  715 }, {  870,  839 }, {  994,  963 }, {  155,  124 },
-    {  279,  248 }, {  403,  372 }, {  527,  496 }, {  651,  620 },
-    {  775,  744 }, {  899,  868 }, {  156,  125 }, {  187,  156 },
-    {  280,  249 }, {  311,  280 }, {  404,  373 }, {  435,  404 },
-    {  528,  497 }, {  559,  528 }, {  652,  621 }, {  683,  652 },
-    {  776,  745 }, {  807,  776 }, {  900,  869 }, {  931,  900 },
-    {  157,  126 }, {  188,  157 }, {  219,  188 }, {  281,  250 },
-    {  312,  281 }, {  343,  312 }, {  405,  374 }, {  436,  405 },
-    {  467,  436 }, {  529,  498 }, {  560,  529 }, {  591,  560 },
-    {  653,  622 }, {  684,  653 }, {  715,  684 }, {  777,  746 },
-    {  808,  777 }, {  839,  808 }, {  901,  870 }, {  932,  901 },
-    {  963,  932 }, {  158,  127 }, {  189,  158 }, {  220,  189 },
-    {  251,  220 }, {  282,  251 }, {  313,  282 }, {  344,  313 },
-    {  375,  344 }, {  406,  375 }, {  437,  406 }, {  468,  437 },
-    {  499,  468 }, {  530,  499 }, {  561,  530 }, {  592,  561 },
-    {  623,  592 }, {  654,  623 }, {  685,  654 }, {  716,  685 },
-    {  747,  716 }, {  778,  747 }, {  809,  778 }, {  840,  809 },
-    {  871,  840 }, {  902,  871 }, {  933,  902 }, {  964,  933 },
-    {  995,  964 }, {  190,  159 }, {  221,  190 }, {  252,  221 },
-    {  314,  283 }, {  345,  314 }, {  376,  345 }, {  438,  407 },
-    {  469,  438 }, {  500,  469 }, {  562,  531 }, {  593,  562 },
-    {  624,  593 }, {  686,  655 }, {  717,  686 }, {  748,  717 },
-    {  810,  779 }, {  841,  810 }, {  872,  841 }, {  934,  903 },
-    {  965,  934 }, {  996,  965 }, {  222,  191 }, {  253,  222 },
-    {  346,  315 }, {  377,  346 }, {  470,  439 }, {  501,  470 },
-    {  594,  563 }, {  625,  594 }, {  718,  687 }, {  749,  718 },
-    {  842,  811 }, {  873,  842 }, {  966,  935 }, {  997,  966 },
-    {  254,  223 }, {  378,  347 }, {  502,  471 }, {  626,  595 },
-    {  750,  719 }, {  874,  843 }, {  998,  967 }, {  283,  252 },
-    {  407,  376 }, {  531,  500 }, {  655,  624 }, {  779,  748 },
-    {  903,  872 }, {  284,  253 }, {  315,  284 }, {  408,  377 },
-    {  439,  408 }, {  532,  501 }, {  563,  532 }, {  656,  625 },
-    {  687,  656 }, {  780,  749 }, {  811,  780 }, {  904,  873 },
-    {  935,  904 }, {  285,  254 }, {  316,  285 }, {  347,  316 },
-    {  409,  378 }, {  440,  409 }, {  471,  440 }, {  533,  502 },
-    {  564,  533 }, {  595,  564 }, {  657,  626 }, {  688,  657 },
-    {  719,  688 }, {  781,  750 }, {  812,  781 }, {  843,  812 },
-    {  905,  874 }, {  936,  905 }, {  967,  936 }, {  286,  255 },
-    {  317,  286 }, {  348,  317 }, {  379,  348 }, {  410,  379 },
-    {  441,  410 }, {  472,  441 }, {  503,  472 }, {  534,  503 },
-    {  565,  534 }, {  596,  565 }, {  627,  596 }, {  658,  627 },
-    {  689,  658 }, {  720,  689 }, {  751,  720 }, {  782,  751 },
-    {  813,  782 }, {  844,  813 }, {  875,  844 }, {  906,  875 },
-    {  937,  906 }, {  968,  937 }, {  999,  968 }, {  318,  287 },
-    {  349,  318 }, {  380,  349 }, {  442,  411 }, {  473,  442 },
-    {  504,  473 }, {  566,  535 }, {  597,  566 }, {  628,  597 },
-    {  690,  659 }, {  721,  690 }, {  752,  721 }, {  814,  783 },
-    {  845,  814 }, {  876,  845 }, {  938,  907 }, {  969,  938 },
-    { 1000,  969 }, {  350,  319 }, {  381,  350 }, {  474,  443 },
-    {  505,  474 }, {  598,  567 }, {  629,  598 }, {  722,  691 },
-    {  753,  722 }, {  846,  815 }, {  877,  846 }, {  970,  939 },
-    { 1001,  970 }, {  382,  351 }, {  506,  475 }, {  630,  599 },
-    {  754,  723 }, {  878,  847 }, { 1002,  971 }, {  411,  380 },
-    {  535,  504 }, {  659,  628 }, {  783,  752 }, {  907,  876 },
-    {  412,  381 }, {  443,  412 }, {  536,  505 }, {  567,  536 },
-    {  660,  629 }, {  691,  660 }, {  784,  753 }, {  815,  784 },
-    {  908,  877 }, {  939,  908 }, {  413,  382 }, {  444,  413 },
-    {  475,  444 }, {  537,  506 }, {  568,  537 }, {  599,  568 },
-    {  661,  630 }, {  692,  661 }, {  723,  692 }, {  785,  754 },
-    {  816,  785 }, {  847,  816 }, {  909,  878 }, {  940,  909 },
-    {  971,  940 }, {  414,  383 }, {  445,  414 }, {  476,  445 },
-    {  507,  476 }, {  538,  507 }, {  569,  538 }, {  600,  569 },
-    {  631,  600 }, {  662,  631 }, {  693,  662 }, {  724,  693 },
-    {  755,  724 }, {  786,  755 }, {  817,  786 }, {  848,  817 },
-    {  879,  848 }, {  910,  879 }, {  941,  910 }, {  972,  941 },
-    { 1003,  972 }, {  446,  415 }, {  477,  446 }, {  508,  477 },
-    {  570,  539 }, {  601,  570 }, {  632,  601 }, {  694,  663 },
-    {  725,  694 }, {  756,  725 }, {  818,  787 }, {  849,  818 },
-    {  880,  849 }, {  942,  911 }, {  973,  942 }, { 1004,  973 },
-    {  478,  447 }, {  509,  478 }, {  602,  571 }, {  633,  602 },
-    {  726,  695 }, {  757,  726 }, {  850,  819 }, {  881,  850 },
-    {  974,  943 }, { 1005,  974 }, {  510,  479 }, {  634,  603 },
-    {  758,  727 }, {  882,  851 }, { 1006,  975 }, {  539,  508 },
-    {  663,  632 }, {  787,  756 }, {  911,  880 }, {  540,  509 },
-    {  571,  540 }, {  664,  633 }, {  695,  664 }, {  788,  757 },
-    {  819,  788 }, {  912,  881 }, {  943,  912 }, {  541,  510 },
-    {  572,  541 }, {  603,  572 }, {  665,  634 }, {  696,  665 },
-    {  727,  696 }, {  789,  758 }, {  820,  789 }, {  851,  820 },
-    {  913,  882 }, {  944,  913 }, {  975,  944 }, {  542,  511 },
-    {  573,  542 }, {  604,  573 }, {  635,  604 }, {  666,  635 },
-    {  697,  666 }, {  728,  697 }, {  759,  728 }, {  790,  759 },
-    {  821,  790 }, {  852,  821 }, {  883,  852 }, {  914,  883 },
-    {  945,  914 }, {  976,  945 }, { 1007,  976 }, {  574,  543 },
-    {  605,  574 }, {  636,  605 }, {  698,  667 }, {  729,  698 },
-    {  760,  729 }, {  822,  791 }, {  853,  822 }, {  884,  853 },
-    {  946,  915 }, {  977,  946 }, { 1008,  977 }, {  606,  575 },
-    {  637,  606 }, {  730,  699 }, {  761,  730 }, {  854,  823 },
-    {  885,  854 }, {  978,  947 }, { 1009,  978 }, {  638,  607 },
-    {  762,  731 }, {  886,  855 }, { 1010,  979 }, {  667,  636 },
-    {  791,  760 }, {  915,  884 }, {  668,  637 }, {  699,  668 },
-    {  792,  761 }, {  823,  792 }, {  916,  885 }, {  947,  916 },
-    {  669,  638 }, {  700,  669 }, {  731,  700 }, {  793,  762 },
-    {  824,  793 }, {  855,  824 }, {  917,  886 }, {  948,  917 },
-    {  979,  948 }, {  670,  639 }, {  701,  670 }, {  732,  701 },
-    {  763,  732 }, {  794,  763 }, {  825,  794 }, {  856,  825 },
-    {  887,  856 }, {  918,  887 }, {  949,  918 }, {  980,  949 },
-    { 1011,  980 }, {  702,  671 }, {  733,  702 }, {  764,  733 },
-    {  826,  795 }, {  857,  826 }, {  888,  857 }, {  950,  919 },
-    {  981,  950 }, { 1012,  981 }, {  734,  703 }, {  765,  734 },
-    {  858,  827 }, {  889,  858 }, {  982,  951 }, { 1013,  982 },
-    {  766,  735 }, {  890,  859 }, { 1014,  983 }, {  795,  764 },
-    {  919,  888 }, {  796,  765 }, {  827,  796 }, {  920,  889 },
-    {  951,  920 }, {  797,  766 }, {  828,  797 }, {  859,  828 },
-    {  921,  890 }, {  952,  921 }, {  983,  952 }, {  798,  767 },
-    {  829,  798 }, {  860,  829 }, {  891,  860 }, {  922,  891 },
-    {  953,  922 }, {  984,  953 }, { 1015,  984 }, {  830,  799 },
-    {  861,  830 }, {  892,  861 }, {  954,  923 }, {  985,  954 },
-    { 1016,  985 }, {  862,  831 }, {  893,  862 }, {  986,  955 },
-    { 1017,  986 }, {  894,  863 }, { 1018,  987 }, {  923,  892 },
-    {  924,  893 }, {  955,  924 }, {  925,  894 }, {  956,  925 },
-    {  987,  956 }, {  926,  895 }, {  957,  926 }, {  988,  957 },
-    { 1019,  988 }, {  958,  927 }, {  989,  958 }, { 1020,  989 },
-    {  990,  959 }, { 1021,  990 }, { 1022,  991 }, {    0,    0 },
-};
-
-static const int16_t (* const vp9_scans_nb[5][4])[2] = {
-    {
-        vp9_default_scan_4x4_nb, vp9_col_scan_4x4_nb,
-        vp9_row_scan_4x4_nb, vp9_default_scan_4x4_nb
-    }, {
-        vp9_default_scan_8x8_nb, vp9_col_scan_8x8_nb,
-        vp9_row_scan_8x8_nb, vp9_default_scan_8x8_nb
-    }, {
-        vp9_default_scan_16x16_nb, vp9_col_scan_16x16_nb,
-        vp9_row_scan_16x16_nb, vp9_default_scan_16x16_nb
-    }, {
-        vp9_default_scan_32x32_nb, vp9_default_scan_32x32_nb,
-        vp9_default_scan_32x32_nb, vp9_default_scan_32x32_nb
-    }, { // lossless
-        vp9_default_scan_4x4_nb, vp9_default_scan_4x4_nb,
-        vp9_default_scan_4x4_nb, vp9_default_scan_4x4_nb
-    }
-};
-
-static const uint8_t vp9_model_pareto8[256][8] = {
-    {   6,  86, 128,  11,  87,  42,  91,  52 },
-    {   3,  86, 128,   6,  86,  23,  88,  29 },
-    {   6,  86, 128,  11,  87,  42,  91,  52 },
-    {   9,  86, 129,  17,  88,  61,  94,  76 },
-    {  12,  86, 129,  22,  88,  77,  97,  93 },
-    {  15,  87, 129,  28,  89,  93, 100, 110 },
-    {  17,  87, 129,  33,  90, 105, 103, 123 },
-    {  20,  88, 130,  38,  91, 118, 106, 136 },
-    {  23,  88, 130,  43,  91, 128, 108, 146 },
-    {  26,  89, 131,  48,  92, 139, 111, 156 },
-    {  28,  89, 131,  53,  93, 147, 114, 163 },
-    {  31,  90, 131,  58,  94, 156, 117, 171 },
-    {  34,  90, 131,  62,  94, 163, 119, 177 },
-    {  37,  90, 132,  66,  95, 171, 122, 184 },
-    {  39,  90, 132,  70,  96, 177, 124, 189 },
-    {  42,  91, 132,  75,  97, 183, 127, 194 },
-    {  44,  91, 132,  79,  97, 188, 129, 198 },
-    {  47,  92, 133,  83,  98, 193, 132, 202 },
-    {  49,  92, 133,  86,  99, 197, 134, 205 },
-    {  52,  93, 133,  90, 100, 201, 137, 208 },
-    {  54,  93, 133,  94, 100, 204, 139, 211 },
-    {  57,  94, 134,  98, 101, 208, 142, 214 },
-    {  59,  94, 134, 101, 102, 211, 144, 216 },
-    {  62,  94, 135, 105, 103, 214, 146, 218 },
-    {  64,  94, 135, 108, 103, 216, 148, 220 },
-    {  66,  95, 135, 111, 104, 219, 151, 222 },
-    {  68,  95, 135, 114, 105, 221, 153, 223 },
-    {  71,  96, 136, 117, 106, 224, 155, 225 },
-    {  73,  96, 136, 120, 106, 225, 157, 226 },
-    {  76,  97, 136, 123, 107, 227, 159, 228 },
-    {  78,  97, 136, 126, 108, 229, 160, 229 },
-    {  80,  98, 137, 129, 109, 231, 162, 231 },
-    {  82,  98, 137, 131, 109, 232, 164, 232 },
-    {  84,  98, 138, 134, 110, 234, 166, 233 },
-    {  86,  98, 138, 137, 111, 235, 168, 234 },
-    {  89,  99, 138, 140, 112, 236, 170, 235 },
-    {  91,  99, 138, 142, 112, 237, 171, 235 },
-    {  93, 100, 139, 145, 113, 238, 173, 236 },
-    {  95, 100, 139, 147, 114, 239, 174, 237 },
-    {  97, 101, 140, 149, 115, 240, 176, 238 },
-    {  99, 101, 140, 151, 115, 241, 177, 238 },
-    { 101, 102, 140, 154, 116, 242, 179, 239 },
-    { 103, 102, 140, 156, 117, 242, 180, 239 },
-    { 105, 103, 141, 158, 118, 243, 182, 240 },
-    { 107, 103, 141, 160, 118, 243, 183, 240 },
-    { 109, 104, 141, 162, 119, 244, 185, 241 },
-    { 111, 104, 141, 164, 119, 244, 186, 241 },
-    { 113, 104, 142, 166, 120, 245, 187, 242 },
-    { 114, 104, 142, 168, 121, 245, 188, 242 },
-    { 116, 105, 143, 170, 122, 246, 190, 243 },
-    { 118, 105, 143, 171, 122, 246, 191, 243 },
-    { 120, 106, 143, 173, 123, 247, 192, 244 },
-    { 121, 106, 143, 175, 124, 247, 193, 244 },
-    { 123, 107, 144, 177, 125, 248, 195, 244 },
-    { 125, 107, 144, 178, 125, 248, 196, 244 },
-    { 127, 108, 145, 180, 126, 249, 197, 245 },
-    { 128, 108, 145, 181, 127, 249, 198, 245 },
-    { 130, 109, 145, 183, 128, 249, 199, 245 },
-    { 132, 109, 145, 184, 128, 249, 200, 245 },
-    { 134, 110, 146, 186, 129, 250, 201, 246 },
-    { 135, 110, 146, 187, 130, 250, 202, 246 },
-    { 137, 111, 147, 189, 131, 251, 203, 246 },
-    { 138, 111, 147, 190, 131, 251, 204, 246 },
-    { 140, 112, 147, 192, 132, 251, 205, 247 },
-    { 141, 112, 147, 193, 132, 251, 206, 247 },
-    { 143, 113, 148, 194, 133, 251, 207, 247 },
-    { 144, 113, 148, 195, 134, 251, 207, 247 },
-    { 146, 114, 149, 197, 135, 252, 208, 248 },
-    { 147, 114, 149, 198, 135, 252, 209, 248 },
-    { 149, 115, 149, 199, 136, 252, 210, 248 },
-    { 150, 115, 149, 200, 137, 252, 210, 248 },
-    { 152, 115, 150, 201, 138, 252, 211, 248 },
-    { 153, 115, 150, 202, 138, 252, 212, 248 },
-    { 155, 116, 151, 204, 139, 253, 213, 249 },
-    { 156, 116, 151, 205, 139, 253, 213, 249 },
-    { 158, 117, 151, 206, 140, 253, 214, 249 },
-    { 159, 117, 151, 207, 141, 253, 215, 249 },
-    { 161, 118, 152, 208, 142, 253, 216, 249 },
-    { 162, 118, 152, 209, 142, 253, 216, 249 },
-    { 163, 119, 153, 210, 143, 253, 217, 249 },
-    { 164, 119, 153, 211, 143, 253, 217, 249 },
-    { 166, 120, 153, 212, 144, 254, 218, 250 },
-    { 167, 120, 153, 212, 145, 254, 219, 250 },
-    { 168, 121, 154, 213, 146, 254, 220, 250 },
-    { 169, 121, 154, 214, 146, 254, 220, 250 },
-    { 171, 122, 155, 215, 147, 254, 221, 250 },
-    { 172, 122, 155, 216, 147, 254, 221, 250 },
-    { 173, 123, 155, 217, 148, 254, 222, 250 },
-    { 174, 123, 155, 217, 149, 254, 222, 250 },
-    { 176, 124, 156, 218, 150, 254, 223, 250 },
-    { 177, 124, 156, 219, 150, 254, 223, 250 },
-    { 178, 125, 157, 220, 151, 254, 224, 251 },
-    { 179, 125, 157, 220, 151, 254, 224, 251 },
-    { 180, 126, 157, 221, 152, 254, 225, 251 },
-    { 181, 126, 157, 221, 152, 254, 225, 251 },
-    { 183, 127, 158, 222, 153, 254, 226, 251 },
-    { 184, 127, 158, 223, 154, 254, 226, 251 },
-    { 185, 128, 159, 224, 155, 255, 227, 251 },
-    { 186, 128, 159, 224, 155, 255, 227, 251 },
-    { 187, 129, 160, 225, 156, 255, 228, 251 },
-    { 188, 130, 160, 225, 156, 255, 228, 251 },
-    { 189, 131, 160, 226, 157, 255, 228, 251 },
-    { 190, 131, 160, 226, 158, 255, 228, 251 },
-    { 191, 132, 161, 227, 159, 255, 229, 251 },
-    { 192, 132, 161, 227, 159, 255, 229, 251 },
-    { 193, 133, 162, 228, 160, 255, 230, 252 },
-    { 194, 133, 162, 229, 160, 255, 230, 252 },
-    { 195, 134, 163, 230, 161, 255, 231, 252 },
-    { 196, 134, 163, 230, 161, 255, 231, 252 },
-    { 197, 135, 163, 231, 162, 255, 231, 252 },
-    { 198, 135, 163, 231, 162, 255, 231, 252 },
-    { 199, 136, 164, 232, 163, 255, 232, 252 },
-    { 200, 136, 164, 232, 164, 255, 232, 252 },
-    { 201, 137, 165, 233, 165, 255, 233, 252 },
-    { 201, 137, 165, 233, 165, 255, 233, 252 },
-    { 202, 138, 166, 233, 166, 255, 233, 252 },
-    { 203, 138, 166, 233, 166, 255, 233, 252 },
-    { 204, 139, 166, 234, 167, 255, 234, 252 },
-    { 205, 139, 166, 234, 167, 255, 234, 252 },
-    { 206, 140, 167, 235, 168, 255, 235, 252 },
-    { 206, 140, 167, 235, 168, 255, 235, 252 },
-    { 207, 141, 168, 236, 169, 255, 235, 252 },
-    { 208, 141, 168, 236, 170, 255, 235, 252 },
-    { 209, 142, 169, 237, 171, 255, 236, 252 },
-    { 209, 143, 169, 237, 171, 255, 236, 252 },
-    { 210, 144, 169, 237, 172, 255, 236, 252 },
-    { 211, 144, 169, 237, 172, 255, 236, 252 },
-    { 212, 145, 170, 238, 173, 255, 237, 252 },
-    { 213, 145, 170, 238, 173, 255, 237, 252 },
-    { 214, 146, 171, 239, 174, 255, 237, 253 },
-    { 214, 146, 171, 239, 174, 255, 237, 253 },
-    { 215, 147, 172, 240, 175, 255, 238, 253 },
-    { 215, 147, 172, 240, 175, 255, 238, 253 },
-    { 216, 148, 173, 240, 176, 255, 238, 253 },
-    { 217, 148, 173, 240, 176, 255, 238, 253 },
-    { 218, 149, 173, 241, 177, 255, 239, 253 },
-    { 218, 149, 173, 241, 178, 255, 239, 253 },
-    { 219, 150, 174, 241, 179, 255, 239, 253 },
-    { 219, 151, 174, 241, 179, 255, 239, 253 },
-    { 220, 152, 175, 242, 180, 255, 240, 253 },
-    { 221, 152, 175, 242, 180, 255, 240, 253 },
-    { 222, 153, 176, 242, 181, 255, 240, 253 },
-    { 222, 153, 176, 242, 181, 255, 240, 253 },
-    { 223, 154, 177, 243, 182, 255, 240, 253 },
-    { 223, 154, 177, 243, 182, 255, 240, 253 },
-    { 224, 155, 178, 244, 183, 255, 241, 253 },
-    { 224, 155, 178, 244, 183, 255, 241, 253 },
-    { 225, 156, 178, 244, 184, 255, 241, 253 },
-    { 225, 157, 178, 244, 184, 255, 241, 253 },
-    { 226, 158, 179, 244, 185, 255, 242, 253 },
-    { 227, 158, 179, 244, 185, 255, 242, 253 },
-    { 228, 159, 180, 245, 186, 255, 242, 253 },
-    { 228, 159, 180, 245, 186, 255, 242, 253 },
-    { 229, 160, 181, 245, 187, 255, 242, 253 },
-    { 229, 160, 181, 245, 187, 255, 242, 253 },
-    { 230, 161, 182, 246, 188, 255, 243, 253 },
-    { 230, 162, 182, 246, 188, 255, 243, 253 },
-    { 231, 163, 183, 246, 189, 255, 243, 253 },
-    { 231, 163, 183, 246, 189, 255, 243, 253 },
-    { 232, 164, 184, 247, 190, 255, 243, 253 },
-    { 232, 164, 184, 247, 190, 255, 243, 253 },
-    { 233, 165, 185, 247, 191, 255, 244, 253 },
-    { 233, 165, 185, 247, 191, 255, 244, 253 },
-    { 234, 166, 185, 247, 192, 255, 244, 253 },
-    { 234, 167, 185, 247, 192, 255, 244, 253 },
-    { 235, 168, 186, 248, 193, 255, 244, 253 },
-    { 235, 168, 186, 248, 193, 255, 244, 253 },
-    { 236, 169, 187, 248, 194, 255, 244, 253 },
-    { 236, 169, 187, 248, 194, 255, 244, 253 },
-    { 236, 170, 188, 248, 195, 255, 245, 253 },
-    { 236, 170, 188, 248, 195, 255, 245, 253 },
-    { 237, 171, 189, 249, 196, 255, 245, 254 },
-    { 237, 172, 189, 249, 196, 255, 245, 254 },
-    { 238, 173, 190, 249, 197, 255, 245, 254 },
-    { 238, 173, 190, 249, 197, 255, 245, 254 },
-    { 239, 174, 191, 249, 198, 255, 245, 254 },
-    { 239, 174, 191, 249, 198, 255, 245, 254 },
-    { 240, 175, 192, 249, 199, 255, 246, 254 },
-    { 240, 176, 192, 249, 199, 255, 246, 254 },
-    { 240, 177, 193, 250, 200, 255, 246, 254 },
-    { 240, 177, 193, 250, 200, 255, 246, 254 },
-    { 241, 178, 194, 250, 201, 255, 246, 254 },
-    { 241, 178, 194, 250, 201, 255, 246, 254 },
-    { 242, 179, 195, 250, 202, 255, 246, 254 },
-    { 242, 180, 195, 250, 202, 255, 246, 254 },
-    { 242, 181, 196, 250, 203, 255, 247, 254 },
-    { 242, 181, 196, 250, 203, 255, 247, 254 },
-    { 243, 182, 197, 251, 204, 255, 247, 254 },
-    { 243, 183, 197, 251, 204, 255, 247, 254 },
-    { 244, 184, 198, 251, 205, 255, 247, 254 },
-    { 244, 184, 198, 251, 205, 255, 247, 254 },
-    { 244, 185, 199, 251, 206, 255, 247, 254 },
-    { 244, 185, 199, 251, 206, 255, 247, 254 },
-    { 245, 186, 200, 251, 207, 255, 247, 254 },
-    { 245, 187, 200, 251, 207, 255, 247, 254 },
-    { 246, 188, 201, 252, 207, 255, 248, 254 },
-    { 246, 188, 201, 252, 207, 255, 248, 254 },
-    { 246, 189, 202, 252, 208, 255, 248, 254 },
-    { 246, 190, 202, 252, 208, 255, 248, 254 },
-    { 247, 191, 203, 252, 209, 255, 248, 254 },
-    { 247, 191, 203, 252, 209, 255, 248, 254 },
-    { 247, 192, 204, 252, 210, 255, 248, 254 },
-    { 247, 193, 204, 252, 210, 255, 248, 254 },
-    { 248, 194, 205, 252, 211, 255, 248, 254 },
-    { 248, 194, 205, 252, 211, 255, 248, 254 },
-    { 248, 195, 206, 252, 212, 255, 249, 254 },
-    { 248, 196, 206, 252, 212, 255, 249, 254 },
-    { 249, 197, 207, 253, 213, 255, 249, 254 },
-    { 249, 197, 207, 253, 213, 255, 249, 254 },
-    { 249, 198, 208, 253, 214, 255, 249, 254 },
-    { 249, 199, 209, 253, 214, 255, 249, 254 },
-    { 250, 200, 210, 253, 215, 255, 249, 254 },
-    { 250, 200, 210, 253, 215, 255, 249, 254 },
-    { 250, 201, 211, 253, 215, 255, 249, 254 },
-    { 250, 202, 211, 253, 215, 255, 249, 254 },
-    { 250, 203, 212, 253, 216, 255, 249, 254 },
-    { 250, 203, 212, 253, 216, 255, 249, 254 },
-    { 251, 204, 213, 253, 217, 255, 250, 254 },
-    { 251, 205, 213, 253, 217, 255, 250, 254 },
-    { 251, 206, 214, 254, 218, 255, 250, 254 },
-    { 251, 206, 215, 254, 218, 255, 250, 254 },
-    { 252, 207, 216, 254, 219, 255, 250, 254 },
-    { 252, 208, 216, 254, 219, 255, 250, 254 },
-    { 252, 209, 217, 254, 220, 255, 250, 254 },
-    { 252, 210, 217, 254, 220, 255, 250, 254 },
-    { 252, 211, 218, 254, 221, 255, 250, 254 },
-    { 252, 212, 218, 254, 221, 255, 250, 254 },
-    { 253, 213, 219, 254, 222, 255, 250, 254 },
-    { 253, 213, 220, 254, 222, 255, 250, 254 },
-    { 253, 214, 221, 254, 223, 255, 250, 254 },
-    { 253, 215, 221, 254, 223, 255, 250, 254 },
-    { 253, 216, 222, 254, 224, 255, 251, 254 },
-    { 253, 217, 223, 254, 224, 255, 251, 254 },
-    { 253, 218, 224, 254, 225, 255, 251, 254 },
-    { 253, 219, 224, 254, 225, 255, 251, 254 },
-    { 254, 220, 225, 254, 225, 255, 251, 254 },
-    { 254, 221, 226, 254, 225, 255, 251, 254 },
-    { 254, 222, 227, 255, 226, 255, 251, 254 },
-    { 254, 223, 227, 255, 226, 255, 251, 254 },
-    { 254, 224, 228, 255, 227, 255, 251, 254 },
-    { 254, 225, 229, 255, 227, 255, 251, 254 },
-    { 254, 226, 230, 255, 228, 255, 251, 254 },
-    { 254, 227, 230, 255, 229, 255, 251, 254 },
-    { 255, 228, 231, 255, 230, 255, 251, 254 },
-    { 255, 229, 232, 255, 230, 255, 251, 254 },
-    { 255, 230, 233, 255, 231, 255, 252, 254 },
-    { 255, 231, 234, 255, 231, 255, 252, 254 },
-    { 255, 232, 235, 255, 232, 255, 252, 254 },
-    { 255, 233, 236, 255, 232, 255, 252, 254 },
-    { 255, 235, 237, 255, 233, 255, 252, 254 },
-    { 255, 236, 238, 255, 234, 255, 252, 254 },
-    { 255, 238, 240, 255, 235, 255, 252, 255 },
-    { 255, 239, 241, 255, 235, 255, 252, 254 },
-    { 255, 241, 243, 255, 236, 255, 252, 254 },
-    { 255, 243, 245, 255, 237, 255, 252, 254 },
-    { 255, 246, 247, 255, 239, 255, 253, 255 },
-};
-
-typedef struct {
-    uint8_t y_mode[4][9];
-    uint8_t uv_mode[10][9];
-    uint8_t filter[4][2];
-    uint8_t mv_mode[7][3];
-    uint8_t intra[4];
-    uint8_t comp[5];
-    uint8_t single_ref[5][2];
-    uint8_t comp_ref[5];
-    uint8_t tx32p[2][3];
-    uint8_t tx16p[2][2];
-    uint8_t tx8p[2];
-    uint8_t skip[3];
-    uint8_t mv_joint[3];
-    struct {
-        uint8_t sign;
-        uint8_t classes[10];
-        uint8_t class0;
-        uint8_t bits[10];
-        uint8_t class0_fp[2][3];
-        uint8_t fp[3];
-        uint8_t class0_hp;
-        uint8_t hp;
-    } mv_comp[2];
-    uint8_t partition[4][4][3];
-} prob_context;
-
-static const prob_context vp9_default_probs = {
-    { /* y_mode */
-        {  65,  32,  18, 144, 162, 194,  41,  51,  98 } /* bsize < 8x8 */,
-        { 132,  68,  18, 165, 217, 196,  45,  40,  78 } /* bsize < 16x16 */,
-        { 173,  80,  19, 176, 240, 193,  64,  35,  46 } /* bsize < 32x32 */,
-        { 221, 135,  38, 194, 248, 121,  96,  85,  29 } /* bsize >= 32x32 */
-    }, { /* uv_mode */
-        {  48,  12, 154, 155, 139,  90,  34, 117, 119 } /* y = v */,
-        {  67,   6,  25, 204, 243, 158,  13,  21,  96 } /* y = h */,
-        { 120,   7,  76, 176, 208, 126,  28,  54, 103 } /* y = dc */,
-        {  97,   5,  44, 131, 176, 139,  48,  68,  97 } /* y = d45 */,
-        {  83,   5,  42, 156, 111, 152,  26,  49, 152 } /* y = d135 */,
-        {  80,   5,  58, 178,  74,  83,  33,  62, 145 } /* y = d117 */,
-        {  86,   5,  32, 154, 192, 168,  14,  22, 163 } /* y = d153 */,
-        {  77,   7,  64, 116, 132, 122,  37, 126, 120 } /* y = d63 */,
-        {  85,   5,  32, 156, 216, 148,  19,  29,  73 } /* y = d27 */,
-        { 101,  21, 107, 181, 192, 103,  19,  67, 125 } /* y = tm */
-    }, { /* filter */
-        { 235, 162, },
-        {  36, 255, },
-        {  34,   3, },
-        { 149, 144, },
-    }, { /* mv_mode */
-        {  2, 173,  34},  // 0 = both zero mv
-        {  7, 145,  85},  // 1 = one zero mv + one a predicted mv
-        {  7, 166,  63},  // 2 = two predicted mvs
-        {  7,  94,  66},  // 3 = one predicted/zero and one new mv
-        {  8,  64,  46},  // 4 = two new mvs
-        { 17,  81,  31},  // 5 = one intra neighbour + x
-        { 25,  29,  30},  // 6 = two intra neighbours
-    }, { /* intra */
-        9, 102, 187, 225
-    }, { /* comp */
-        239, 183, 119,  96,  41
-    }, { /* single_ref */
-        {  33,  16 },
-        {  77,  74 },
-        { 142, 142 },
-        { 172, 170 },
-        { 238, 247 }
-    }, { /* comp_ref */
-        50, 126, 123, 221, 226
-    }, { /* tx32p */
-        { 3, 136, 37, },
-        { 5,  52, 13, },
-    }, { /* tx16p */
-        { 20, 152, },
-        { 15, 101, },
-    }, { /* tx8p */
-        100, 66
-    }, { /* skip */
-        192, 128, 64
-    }, { /* mv_joint */
-        32, 64, 96
-    }, {
-        { /* mv vertical component */
-            128, /* sign */
-            { 224, 144, 192, 168, 192, 176, 192, 198, 198, 245 }, /* class */
-            216, /* class0 */
-            { 136, 140, 148, 160, 176, 192, 224, 234, 234, 240}, /* bits */
-            { /* class0_fp */
-                { 128, 128, 64 },
-                {  96, 112, 64 }
-            },
-            { 64, 96, 64 }, /* fp */
-            160, /* class0_hp bit */
-            128, /* hp */
-        }, { /* mv horizontal component */
-            128, /* sign */
-            { 216, 128, 176, 160, 176, 176, 192, 198, 198, 208 }, /* class */
-            208, /* class0 */
-            { 136, 140, 148, 160, 176, 192, 224, 234, 234, 240 }, /* bits */
-            { /* class0_fp */
-                { 128, 128, 64 },
-                {  96, 112, 64 }
-            },
-            { 64, 96, 64 }, /* fp */
-            160, /* class0_hp bit */
-            128, /* hp */
-        }
-    }, { /* partition */
-        { /* 64x64 -> 32x32 */
-            { 222,  34,  30 } /* a/l both not split */,
-            {  72,  16,  44 } /* a split, l not split */,
-            {  58,  32,  12 } /* l split, a not split */,
-            {  10,   7,   6 } /* a/l both split */,
-        }, { /* 32x32 -> 16x16 */
-            { 177,  58,  59 } /* a/l both not split */,
-            {  68,  26,  63 } /* a split, l not split */,
-            {  52,  79,  25 } /* l split, a not split */,
-            {  17,  14,  12 } /* a/l both split */,
-        }, { /* 16x16 -> 8x8 */
-            { 174,  73,  87 } /* a/l both not split */,
-            {  92,  41,  83 } /* a split, l not split */,
-            {  82,  99,  50 } /* l split, a not split */,
-            {  53,  39,  39 } /* a/l both split */,
-        }, { /* 8x8 -> 4x4 */
-            { 199, 122, 141 } /* a/l both not split */,
-            { 147,  63, 159 } /* a split, l not split */,
-            { 148, 133, 118 } /* l split, a not split */,
-            { 121, 104, 114 } /* a/l both split */,
-        }
-    },
-};
-
-static const uint8_t vp9_default_coef_probs[4][2][2][6][6][3] = {
-    { /* tx = 4x4 */
-        { /* block Type 0 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    { 195,  29, 183 },
-                    {  84,  49, 136 },
-                    {   8,  42,  71 }
-                }, { /* Coeff Band 1 */
-                    {  31, 107, 169 },
-                    {  35,  99, 159 },
-                    {  17,  82, 140 },
-                    {   8,  66, 114 },
-                    {   2,  44,  76 },
-                    {   1,  19,  32 }
-                }, { /* Coeff Band 2 */
-                    {  40, 132, 201 },
-                    {  29, 114, 187 },
-                    {  13,  91, 157 },
-                    {   7,  75, 127 },
-                    {   3,  58,  95 },
-                    {   1,  28,  47 }
-                }, { /* Coeff Band 3 */
-                    {  69, 142, 221 },
-                    {  42, 122, 201 },
-                    {  15,  91, 159 },
-                    {   6,  67, 121 },
-                    {   1,  42,  77 },
-                    {   1,  17,  31 }
-                }, { /* Coeff Band 4 */
-                    { 102, 148, 228 },
-                    {  67, 117, 204 },
-                    {  17,  82, 154 },
-                    {   6,  59, 114 },
-                    {   2,  39,  75 },
-                    {   1,  15,  29 }
-                }, { /* Coeff Band 5 */
-                    { 156,  57, 233 },
-                    { 119,  57, 212 },
-                    {  58,  48, 163 },
-                    {  29,  40, 124 },
-                    {  12,  30,  81 },
-                    {   3,  12,  31 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    { 191, 107, 226 },
-                    { 124, 117, 204 },
-                    {  25,  99, 155 }
-                }, { /* Coeff Band 1 */
-                    {  29, 148, 210 },
-                    {  37, 126, 194 },
-                    {   8,  93, 157 },
-                    {   2,  68, 118 },
-                    {   1,  39,  69 },
-                    {   1,  17,  33 }
-                }, { /* Coeff Band 2 */
-                    {  41, 151, 213 },
-                    {  27, 123, 193 },
-                    {   3,  82, 144 },
-                    {   1,  58, 105 },
-                    {   1,  32,  60 },
-                    {   1,  13,  26 }
-                }, { /* Coeff Band 3 */
-                    {  59, 159, 220 },
-                    {  23, 126, 198 },
-                    {   4,  88, 151 },
-                    {   1,  66, 114 },
-                    {   1,  38,  71 },
-                    {   1,  18,  34 }
-                }, { /* Coeff Band 4 */
-                    { 114, 136, 232 },
-                    {  51, 114, 207 },
-                    {  11,  83, 155 },
-                    {   3,  56, 105 },
-                    {   1,  33,  65 },
-                    {   1,  17,  34 }
-                }, { /* Coeff Band 5 */
-                    { 149,  65, 234 },
-                    { 121,  57, 215 },
-                    {  61,  49, 166 },
-                    {  28,  36, 114 },
-                    {  12,  25,  76 },
-                    {   3,  16,  42 }
-                }
-            }
-        }, { /* block Type 1 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    { 214,  49, 220 },
-                    { 132,  63, 188 },
-                    {  42,  65, 137 }
-                }, { /* Coeff Band 1 */
-                    {  85, 137, 221 },
-                    { 104, 131, 216 },
-                    {  49, 111, 192 },
-                    {  21,  87, 155 },
-                    {   2,  49,  87 },
-                    {   1,  16,  28 }
-                }, { /* Coeff Band 2 */
-                    {  89, 163, 230 },
-                    {  90, 137, 220 },
-                    {  29, 100, 183 },
-                    {  10,  70, 135 },
-                    {   2,  42,  81 },
-                    {   1,  17,  33 }
-                }, { /* Coeff Band 3 */
-                    { 108, 167, 237 },
-                    {  55, 133, 222 },
-                    {  15,  97, 179 },
-                    {   4,  72, 135 },
-                    {   1,  45,  85 },
-                    {   1,  19,  38 }
-                }, { /* Coeff Band 4 */
-                    { 124, 146, 240 },
-                    {  66, 124, 224 },
-                    {  17,  88, 175 },
-                    {   4,  58, 122 },
-                    {   1,  36,  75 },
-                    {   1,  18,  37 }
-                }, { /* Coeff Band 5 */
-                    { 141,  79, 241 },
-                    { 126,  70, 227 },
-                    {  66,  58, 182 },
-                    {  30,  44, 136 },
-                    {  12,  34,  96 },
-                    {   2,  20,  47 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    { 229,  99, 249 },
-                    { 143, 111, 235 },
-                    {  46, 109, 192 }
-                }, { /* Coeff Band 1 */
-                    {  82, 158, 236 },
-                    {  94, 146, 224 },
-                    {  25, 117, 191 },
-                    {   9,  87, 149 },
-                    {   3,  56,  99 },
-                    {   1,  33,  57 }
-                }, { /* Coeff Band 2 */
-                    {  83, 167, 237 },
-                    {  68, 145, 222 },
-                    {  10, 103, 177 },
-                    {   2,  72, 131 },
-                    {   1,  41,  79 },
-                    {   1,  20,  39 }
-                }, { /* Coeff Band 3 */
-                    {  99, 167, 239 },
-                    {  47, 141, 224 },
-                    {  10, 104, 178 },
-                    {   2,  73, 133 },
-                    {   1,  44,  85 },
-                    {   1,  22,  47 }
-                }, { /* Coeff Band 4 */
-                    { 127, 145, 243 },
-                    {  71, 129, 228 },
-                    {  17,  93, 177 },
-                    {   3,  61, 124 },
-                    {   1,  41,  84 },
-                    {   1,  21,  52 }
-                }, { /* Coeff Band 5 */
-                    { 157,  78, 244 },
-                    { 140,  72, 231 },
-                    {  69,  58, 184 },
-                    {  31,  44, 137 },
-                    {  14,  38, 105 },
-                    {   8,  23,  61 }
-                }
-            }
-        }
-    }, { /* tx = 8x8 */
-        { /* block Type 0 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    { 125,  34, 187 },
-                    {  52,  41, 133 },
-                    {   6,  31,  56 }
-                }, { /* Coeff Band 1 */
-                    {  37, 109, 153 },
-                    {  51, 102, 147 },
-                    {  23,  87, 128 },
-                    {   8,  67, 101 },
-                    {   1,  41,  63 },
-                    {   1,  19,  29 }
-                }, { /* Coeff Band 2 */
-                    {  31, 154, 185 },
-                    {  17, 127, 175 },
-                    {   6,  96, 145 },
-                    {   2,  73, 114 },
-                    {   1,  51,  82 },
-                    {   1,  28,  45 }
-                }, { /* Coeff Band 3 */
-                    {  23, 163, 200 },
-                    {  10, 131, 185 },
-                    {   2,  93, 148 },
-                    {   1,  67, 111 },
-                    {   1,  41,  69 },
-                    {   1,  14,  24 }
-                }, { /* Coeff Band 4 */
-                    {  29, 176, 217 },
-                    {  12, 145, 201 },
-                    {   3, 101, 156 },
-                    {   1,  69, 111 },
-                    {   1,  39,  63 },
-                    {   1,  14,  23 }
-                }, { /* Coeff Band 5 */
-                    {  57, 192, 233 },
-                    {  25, 154, 215 },
-                    {   6, 109, 167 },
-                    {   3,  78, 118 },
-                    {   1,  48,  69 },
-                    {   1,  21,  29 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    { 202, 105, 245 },
-                    { 108, 106, 216 },
-                    {  18,  90, 144 }
-                }, { /* Coeff Band 1 */
-                    {  33, 172, 219 },
-                    {  64, 149, 206 },
-                    {  14, 117, 177 },
-                    {   5,  90, 141 },
-                    {   2,  61,  95 },
-                    {   1,  37,  57 }
-                }, { /* Coeff Band 2 */
-                    {  33, 179, 220 },
-                    {  11, 140, 198 },
-                    {   1,  89, 148 },
-                    {   1,  60, 104 },
-                    {   1,  33,  57 },
-                    {   1,  12,  21 }
-                }, { /* Coeff Band 3 */
-                    {  30, 181, 221 },
-                    {   8, 141, 198 },
-                    {   1,  87, 145 },
-                    {   1,  58, 100 },
-                    {   1,  31,  55 },
-                    {   1,  12,  20 }
-                }, { /* Coeff Band 4 */
-                    {  32, 186, 224 },
-                    {   7, 142, 198 },
-                    {   1,  86, 143 },
-                    {   1,  58, 100 },
-                    {   1,  31,  55 },
-                    {   1,  12,  22 }
-                }, { /* Coeff Band 5 */
-                    {  57, 192, 227 },
-                    {  20, 143, 204 },
-                    {   3,  96, 154 },
-                    {   1,  68, 112 },
-                    {   1,  42,  69 },
-                    {   1,  19,  32 }
-                }
-            }
-        }, { /* block Type 1 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    { 212,  35, 215 },
-                    { 113,  47, 169 },
-                    {  29,  48, 105 }
-                }, { /* Coeff Band 1 */
-                    {  74, 129, 203 },
-                    { 106, 120, 203 },
-                    {  49, 107, 178 },
-                    {  19,  84, 144 },
-                    {   4,  50,  84 },
-                    {   1,  15,  25 }
-                }, { /* Coeff Band 2 */
-                    {  71, 172, 217 },
-                    {  44, 141, 209 },
-                    {  15, 102, 173 },
-                    {   6,  76, 133 },
-                    {   2,  51,  89 },
-                    {   1,  24,  42 }
-                }, { /* Coeff Band 3 */
-                    {  64, 185, 231 },
-                    {  31, 148, 216 },
-                    {   8, 103, 175 },
-                    {   3,  74, 131 },
-                    {   1,  46,  81 },
-                    {   1,  18,  30 }
-                }, { /* Coeff Band 4 */
-                    {  65, 196, 235 },
-                    {  25, 157, 221 },
-                    {   5, 105, 174 },
-                    {   1,  67, 120 },
-                    {   1,  38,  69 },
-                    {   1,  15,  30 }
-                }, { /* Coeff Band 5 */
-                    {  65, 204, 238 },
-                    {  30, 156, 224 },
-                    {   7, 107, 177 },
-                    {   2,  70, 124 },
-                    {   1,  42,  73 },
-                    {   1,  18,  34 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    { 225,  86, 251 },
-                    { 144, 104, 235 },
-                    {  42,  99, 181 }
-                }, { /* Coeff Band 1 */
-                    {  85, 175, 239 },
-                    { 112, 165, 229 },
-                    {  29, 136, 200 },
-                    {  12, 103, 162 },
-                    {   6,  77, 123 },
-                    {   2,  53,  84 }
-                }, { /* Coeff Band 2 */
-                    {  75, 183, 239 },
-                    {  30, 155, 221 },
-                    {   3, 106, 171 },
-                    {   1,  74, 128 },
-                    {   1,  44,  76 },
-                    {   1,  17,  28 }
-                }, { /* Coeff Band 3 */
-                    {  73, 185, 240 },
-                    {  27, 159, 222 },
-                    {   2, 107, 172 },
-                    {   1,  75, 127 },
-                    {   1,  42,  73 },
-                    {   1,  17,  29 }
-                }, { /* Coeff Band 4 */
-                    {  62, 190, 238 },
-                    {  21, 159, 222 },
-                    {   2, 107, 172 },
-                    {   1,  72, 122 },
-                    {   1,  40,  71 },
-                    {   1,  18,  32 }
-                }, { /* Coeff Band 5 */
-                    {  61, 199, 240 },
-                    {  27, 161, 226 },
-                    {   4, 113, 180 },
-                    {   1,  76, 129 },
-                    {   1,  46,  80 },
-                    {   1,  23,  41 }
-                }
-            }
-        }
-    }, { /* tx = 16x16 */
-        { /* block Type 0 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    {   7,  27, 153 },
-                    {   5,  30,  95 },
-                    {   1,  16,  30 }
-                }, { /* Coeff Band 1 */
-                    {  50,  75, 127 },
-                    {  57,  75, 124 },
-                    {  27,  67, 108 },
-                    {  10,  54,  86 },
-                    {   1,  33,  52 },
-                    {   1,  12,  18 }
-                }, { /* Coeff Band 2 */
-                    {  43, 125, 151 },
-                    {  26, 108, 148 },
-                    {   7,  83, 122 },
-                    {   2,  59,  89 },
-                    {   1,  38,  60 },
-                    {   1,  17,  27 }
-                }, { /* Coeff Band 3 */
-                    {  23, 144, 163 },
-                    {  13, 112, 154 },
-                    {   2,  75, 117 },
-                    {   1,  50,  81 },
-                    {   1,  31,  51 },
-                    {   1,  14,  23 }
-                }, { /* Coeff Band 4 */
-                    {  18, 162, 185 },
-                    {   6, 123, 171 },
-                    {   1,  78, 125 },
-                    {   1,  51,  86 },
-                    {   1,  31,  54 },
-                    {   1,  14,  23 }
-                }, { /* Coeff Band 5 */
-                    {  15, 199, 227 },
-                    {   3, 150, 204 },
-                    {   1,  91, 146 },
-                    {   1,  55,  95 },
-                    {   1,  30,  53 },
-                    {   1,  11,  20 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    {  19,  55, 240 },
-                    {  19,  59, 196 },
-                    {   3,  52, 105 }
-                }, { /* Coeff Band 1 */
-                    {  41, 166, 207 },
-                    { 104, 153, 199 },
-                    {  31, 123, 181 },
-                    {  14, 101, 152 },
-                    {   5,  72, 106 },
-                    {   1,  36,  52 }
-                }, { /* Coeff Band 2 */
-                    {  35, 176, 211 },
-                    {  12, 131, 190 },
-                    {   2,  88, 144 },
-                    {   1,  60, 101 },
-                    {   1,  36,  60 },
-                    {   1,  16,  28 }
-                }, { /* Coeff Band 3 */
-                    {  28, 183, 213 },
-                    {   8, 134, 191 },
-                    {   1,  86, 142 },
-                    {   1,  56,  96 },
-                    {   1,  30,  53 },
-                    {   1,  12,  20 }
-                }, { /* Coeff Band 4 */
-                    {  20, 190, 215 },
-                    {   4, 135, 192 },
-                    {   1,  84, 139 },
-                    {   1,  53,  91 },
-                    {   1,  28,  49 },
-                    {   1,  11,  20 }
-                }, { /* Coeff Band 5 */
-                    {  13, 196, 216 },
-                    {   2, 137, 192 },
-                    {   1,  86, 143 },
-                    {   1,  57,  99 },
-                    {   1,  32,  56 },
-                    {   1,  13,  24 }
-                }
-            }
-        }, { /* block Type 1 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    { 211,  29, 217 },
-                    {  96,  47, 156 },
-                    {  22,  43,  87 }
-                }, { /* Coeff Band 1 */
-                    {  78, 120, 193 },
-                    { 111, 116, 186 },
-                    {  46, 102, 164 },
-                    {  15,  80, 128 },
-                    {   2,  49,  76 },
-                    {   1,  18,  28 }
-                }, { /* Coeff Band 2 */
-                    {  71, 161, 203 },
-                    {  42, 132, 192 },
-                    {  10,  98, 150 },
-                    {   3,  69, 109 },
-                    {   1,  44,  70 },
-                    {   1,  18,  29 }
-                }, { /* Coeff Band 3 */
-                    {  57, 186, 211 },
-                    {  30, 140, 196 },
-                    {   4,  93, 146 },
-                    {   1,  62, 102 },
-                    {   1,  38,  65 },
-                    {   1,  16,  27 }
-                }, { /* Coeff Band 4 */
-                    {  47, 199, 217 },
-                    {  14, 145, 196 },
-                    {   1,  88, 142 },
-                    {   1,  57,  98 },
-                    {   1,  36,  62 },
-                    {   1,  15,  26 }
-                }, { /* Coeff Band 5 */
-                    {  26, 219, 229 },
-                    {   5, 155, 207 },
-                    {   1,  94, 151 },
-                    {   1,  60, 104 },
-                    {   1,  36,  62 },
-                    {   1,  16,  28 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    { 233,  29, 248 },
-                    { 146,  47, 220 },
-                    {  43,  52, 140 }
-                }, { /* Coeff Band 1 */
-                    { 100, 163, 232 },
-                    { 179, 161, 222 },
-                    {  63, 142, 204 },
-                    {  37, 113, 174 },
-                    {  26,  89, 137 },
-                    {  18,  68,  97 }
-                }, { /* Coeff Band 2 */
-                    {  85, 181, 230 },
-                    {  32, 146, 209 },
-                    {   7, 100, 164 },
-                    {   3,  71, 121 },
-                    {   1,  45,  77 },
-                    {   1,  18,  30 }
-                }, { /* Coeff Band 3 */
-                    {  65, 187, 230 },
-                    {  20, 148, 207 },
-                    {   2,  97, 159 },
-                    {   1,  68, 116 },
-                    {   1,  40,  70 },
-                    {   1,  14,  29 }
-                }, { /* Coeff Band 4 */
-                    {  40, 194, 227 },
-                    {   8, 147, 204 },
-                    {   1,  94, 155 },
-                    {   1,  65, 112 },
-                    {   1,  39,  66 },
-                    {   1,  14,  26 }
-                }, { /* Coeff Band 5 */
-                    {  16, 208, 228 },
-                    {   3, 151, 207 },
-                    {   1,  98, 160 },
-                    {   1,  67, 117 },
-                    {   1,  41,  74 },
-                    {   1,  17,  31 }
-                }
-            }
-        }
-    }, { /* tx = 32x32 */
-        { /* block Type 0 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    {  17,  38, 140 },
-                    {   7,  34,  80 },
-                    {   1,  17,  29 }
-                }, { /* Coeff Band 1 */
-                    {  37,  75, 128 },
-                    {  41,  76, 128 },
-                    {  26,  66, 116 },
-                    {  12,  52,  94 },
-                    {   2,  32,  55 },
-                    {   1,  10,  16 }
-                }, { /* Coeff Band 2 */
-                    {  50, 127, 154 },
-                    {  37, 109, 152 },
-                    {  16,  82, 121 },
-                    {   5,  59,  85 },
-                    {   1,  35,  54 },
-                    {   1,  13,  20 }
-                }, { /* Coeff Band 3 */
-                    {  40, 142, 167 },
-                    {  17, 110, 157 },
-                    {   2,  71, 112 },
-                    {   1,  44,  72 },
-                    {   1,  27,  45 },
-                    {   1,  11,  17 }
-                }, { /* Coeff Band 4 */
-                    {  30, 175, 188 },
-                    {   9, 124, 169 },
-                    {   1,  74, 116 },
-                    {   1,  48,  78 },
-                    {   1,  30,  49 },
-                    {   1,  11,  18 }
-                }, { /* Coeff Band 5 */
-                    {  10, 222, 223 },
-                    {   2, 150, 194 },
-                    {   1,  83, 128 },
-                    {   1,  48,  79 },
-                    {   1,  27,  45 },
-                    {   1,  11,  17 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    {  36,  41, 235 },
-                    {  29,  36, 193 },
-                    {  10,  27, 111 }
-                }, { /* Coeff Band 1 */
-                    {  85, 165, 222 },
-                    { 177, 162, 215 },
-                    { 110, 135, 195 },
-                    {  57, 113, 168 },
-                    {  23,  83, 120 },
-                    {  10,  49,  61 }
-                }, { /* Coeff Band 2 */
-                    {  85, 190, 223 },
-                    {  36, 139, 200 },
-                    {   5,  90, 146 },
-                    {   1,  60, 103 },
-                    {   1,  38,  65 },
-                    {   1,  18,  30 }
-                }, { /* Coeff Band 3 */
-                    {  72, 202, 223 },
-                    {  23, 141, 199 },
-                    {   2,  86, 140 },
-                    {   1,  56,  97 },
-                    {   1,  36,  61 },
-                    {   1,  16,  27 }
-                }, { /* Coeff Band 4 */
-                    {  55, 218, 225 },
-                    {  13, 145, 200 },
-                    {   1,  86, 141 },
-                    {   1,  57,  99 },
-                    {   1,  35,  61 },
-                    {   1,  13,  22 }
-                }, { /* Coeff Band 5 */
-                    {  15, 235, 212 },
-                    {   1, 132, 184 },
-                    {   1,  84, 139 },
-                    {   1,  57,  97 },
-                    {   1,  34,  56 },
-                    {   1,  14,  23 }
-                }
-            }
-        }, { /* block Type 1 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    { 181,  21, 201 },
-                    {  61,  37, 123 },
-                    {  10,  38,  71 }
-                }, { /* Coeff Band 1 */
-                    {  47, 106, 172 },
-                    {  95, 104, 173 },
-                    {  42,  93, 159 },
-                    {  18,  77, 131 },
-                    {   4,  50,  81 },
-                    {   1,  17,  23 }
-                }, { /* Coeff Band 2 */
-                    {  62, 147, 199 },
-                    {  44, 130, 189 },
-                    {  28, 102, 154 },
-                    {  18,  75, 115 },
-                    {   2,  44,  65 },
-                    {   1,  12,  19 }
-                }, { /* Coeff Band 3 */
-                    {  55, 153, 210 },
-                    {  24, 130, 194 },
-                    {   3,  93, 146 },
-                    {   1,  61,  97 },
-                    {   1,  31,  50 },
-                    {   1,  10,  16 }
-                }, { /* Coeff Band 4 */
-                    {  49, 186, 223 },
-                    {  17, 148, 204 },
-                    {   1,  96, 142 },
-                    {   1,  53,  83 },
-                    {   1,  26,  44 },
-                    {   1,  11,  17 }
-                }, { /* Coeff Band 5 */
-                    {  13, 217, 212 },
-                    {   2, 136, 180 },
-                    {   1,  78, 124 },
-                    {   1,  50,  83 },
-                    {   1,  29,  49 },
-                    {   1,  14,  23 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    { 197,  13, 247 },
-                    {  82,  17, 222 },
-                    {  25,  17, 162 }
-                }, { /* Coeff Band 1 */
-                    { 126, 186, 247 },
-                    { 234, 191, 243 },
-                    { 176, 177, 234 },
-                    { 104, 158, 220 },
-                    {  66, 128, 186 },
-                    {  55,  90, 137 }
-                }, { /* Coeff Band 2 */
-                    { 111, 197, 242 },
-                    {  46, 158, 219 },
-                    {   9, 104, 171 },
-                    {   2,  65, 125 },
-                    {   1,  44,  80 },
-                    {   1,  17,  91 }
-                }, { /* Coeff Band 3 */
-                    { 104, 208, 245 },
-                    {  39, 168, 224 },
-                    {   3, 109, 162 },
-                    {   1,  79, 124 },
-                    {   1,  50, 102 },
-                    {   1,  43, 102 }
-                }, { /* Coeff Band 4 */
-                    {  84, 220, 246 },
-                    {  31, 177, 231 },
-                    {   2, 115, 180 },
-                    {   1,  79, 134 },
-                    {   1,  55,  77 },
-                    {   1,  60,  79 }
-                }, { /* Coeff Band 5 */
-                    {  43, 243, 240 },
-                    {   8, 180, 217 },
-                    {   1, 115, 166 },
-                    {   1,  84, 121 },
-                    {   1,  51,  67 },
-                    {   1,  16,   6 }
-                }
-            }
-        }
-    }
-};
-
-enum MVJoint {
-    MV_JOINT_ZERO,
-    MV_JOINT_H,
-    MV_JOINT_V,
-    MV_JOINT_HV,
-};
-
-static const int8_t vp9_mv_joint_tree[3][2] = {
-    { -MV_JOINT_ZERO, 1 },           // '0'
-     { -MV_JOINT_H, 2 },             // '10'
-      { -MV_JOINT_V, -MV_JOINT_HV }, // '11x'
-};
-
-static const int8_t vp9_mv_class_tree[10][2] = {
-    { -0, 1 },         // '0'
-     { -1, 2 },        // '10'
-      { 3, 4 },
-       { -2, -3 },     // '110x'
-       { 5, 6 },
-        { -4, -5 },    // '1110x'
-        { -6, 7 },     // '11110'
-         { 8, 9 },
-          { -7, -8 },  // '111110x'
-          { -9, -10 }, // '111111x'
-};
-
-static const int8_t vp9_mv_fp_tree[3][2] = {
-    { -0, 1 },    // '0'
-     { -1, 2 },   // '10'
-      { -2, -3 }, // '11x'
-};
+extern const int8_t ff_vp9_partition_tree[3][2];
+extern const uint8_t ff_vp9_default_kf_partition_probs[4][4][3];
+extern const int8_t ff_vp9_segmentation_tree[7][2];
+extern const int8_t ff_vp9_intramode_tree[9][2];
+extern const uint8_t ff_vp9_default_kf_ymode_probs[10][10][9];
+extern const uint8_t ff_vp9_default_kf_uvmode_probs[10][9];
+extern const int8_t ff_vp9_inter_mode_tree[3][2];
+extern const int8_t ff_vp9_filter_tree[2][2];
+extern const enum FilterMode ff_vp9_filter_lut[3];
+extern const int16_t ff_vp9_dc_qlookup[3][256];
+extern const int16_t ff_vp9_ac_qlookup[3][256];
+extern const enum TxfmType ff_vp9_intra_txfm_type[14];
+extern const int16_t ff_vp9_default_scan_4x4[16];
+extern const int16_t ff_vp9_col_scan_4x4[16];
+extern const int16_t ff_vp9_row_scan_4x4[16];
+extern const int16_t ff_vp9_default_scan_8x8[64];
+extern const int16_t ff_vp9_col_scan_8x8[64];
+extern const int16_t ff_vp9_row_scan_8x8[64];
+extern const int16_t ff_vp9_default_scan_16x16[256];
+extern const int16_t ff_vp9_col_scan_16x16[256];
+extern const int16_t ff_vp9_row_scan_16x16[256];
+extern const int16_t ff_vp9_default_scan_32x32[1024];
+extern const int16_t * const ff_vp9_scans[5][4];
+extern const int16_t ff_vp9_default_scan_4x4_nb[16][2];
+extern const int16_t ff_vp9_col_scan_4x4_nb[16][2];
+extern const int16_t ff_vp9_row_scan_4x4_nb[16][2];
+extern const int16_t ff_vp9_default_scan_8x8_nb[64][2];
+extern const int16_t ff_vp9_col_scan_8x8_nb[64][2];
+extern const int16_t ff_vp9_row_scan_8x8_nb[64][2];
+extern const int16_t ff_vp9_default_scan_16x16_nb[256][2];
+extern const int16_t ff_vp9_col_scan_16x16_nb[256][2];
+extern const int16_t ff_vp9_row_scan_16x16_nb[256][2];
+extern const int16_t ff_vp9_default_scan_32x32_nb[1024][2];
+extern const int16_t (* const ff_vp9_scans_nb[5][4])[2];
+extern const uint8_t ff_vp9_model_pareto8[256][8];
+extern const ProbContext ff_vp9_default_probs;
+extern const uint8_t ff_vp9_default_coef_probs[4][2][2][6][6][3];
+extern const int8_t ff_vp9_mv_joint_tree[3][2];
+extern const int8_t ff_vp9_mv_class_tree[10][2];
+extern const int8_t ff_vp9_mv_fp_tree[3][2];
 
 #endif /* AVCODEC_VP9DATA_H */
diff --git a/libavcodec/vp9dsp.c b/libavcodec/vp9dsp.c
index f6d73f7..cf9de4a 100644
--- a/libavcodec/vp9dsp.c
+++ b/libavcodec/vp9dsp.c
@@ -23,7 +23,7 @@
 
 #include "libavutil/avassert.h"
 #include "libavutil/common.h"
-#include "vp9dsp.h"
+#include "vp9.h"
 
 const DECLARE_ALIGNED(16, int16_t, ff_vp9_subpel_filters)[3][16][8] = {
     [FILTER_8TAP_REGULAR] = {
diff --git a/libavcodec/vp9dsp.h b/libavcodec/vp9dsp.h
deleted file mode 100644
index 0d24ae1..0000000
--- a/libavcodec/vp9dsp.h
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * VP9 compatible video decoder
- *
- * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
- * Copyright (C) 2013 Clément Bœsch <u pkh me>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVCODEC_VP9DSP_H
-#define AVCODEC_VP9DSP_H
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include "vp9.h"
-
-typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
-                            const uint8_t *ref, ptrdiff_t ref_stride,
-                            int h, int mx, int my);
-typedef void (*vp9_scaled_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
-                                   const uint8_t *ref, ptrdiff_t ref_stride,
-                                   int h, int mx, int my, int dx, int dy);
-
-typedef struct VP9DSPContext {
-    /*
-     * dimension 1: 0=4x4, 1=8x8, 2=16x16, 3=32x32
-     * dimension 2: intra prediction modes
-     *
-     * dst/left/top is aligned by transform-size (i.e. 4, 8, 16 or 32 pixels)
-     * stride is aligned by 16 pixels
-     * top[-1] is top/left; top[4,7] is top-right for 4x4
-     */
-    // FIXME(rbultje) maybe replace left/top pointers with HAVE_TOP/
-    // HAVE_LEFT/HAVE_TOPRIGHT flags instead, and then handle it in-place?
-    // also needs to fit in with what H.264/VP8/etc do
-    void (*intra_pred[N_TXFM_SIZES][N_INTRA_PRED_MODES])(uint8_t *dst,
-                                                         ptrdiff_t stride,
-                                                         const uint8_t *left,
-                                                         const uint8_t *top);
-
-    /*
-     * dimension 1: 0=4x4, 1=8x8, 2=16x16, 3=32x32, 4=lossless (3-4=dct only)
-     * dimension 2: 0=dct/dct, 1=dct/adst, 2=adst/dct, 3=adst/adst
-     *
-     * dst is aligned by transform-size (i.e. 4, 8, 16 or 32 pixels)
-     * stride is aligned by 16 pixels
-     * block is 16-byte aligned
-     * eob indicates the position (+1) of the last non-zero coefficient,
-     * in scan-order. This can be used to write faster versions, e.g. a
-     * dc-only 4x4/8x8/16x16/32x32, or a 4x4-only (eob<10) 8x8/16x16/32x32,
-     * etc.
-     */
-    // FIXME also write idct_add_block() versions for whole (inter) pred
-    // blocks, so we can do 2 4x4s at once
-    void (*itxfm_add[N_TXFM_SIZES + 1][N_TXFM_TYPES])(uint8_t *dst,
-                                                      ptrdiff_t stride,
-                                                      int16_t *block, int eob);
-
-    /*
-     * dimension 1: width of filter (0=4, 1=8, 2=16)
-     * dimension 2: 0=col-edge filter (h), 1=row-edge filter (v)
-     *
-     * dst/stride are aligned by 8
-     */
-    void (*loop_filter_8[3][2])(uint8_t *dst, ptrdiff_t stride,
-                                int mb_lim, int lim, int hev_thr);
-
-    /*
-     * dimension 1: 0=col-edge filter (h), 1=row-edge filter (v)
-     *
-     * The width of filter is assumed to be 16; dst/stride are aligned by 16
-     */
-    void (*loop_filter_16[2])(uint8_t *dst, ptrdiff_t stride,
-                              int mb_lim, int lim, int hev_thr);
-
-    /*
-     * dimension 1/2: width of filter (0=4, 1=8) for each filter half
-     * dimension 3: 0=col-edge filter (h), 1=row-edge filter (v)
-     *
-     * dst/stride are aligned by operation size
-     * this basically calls loop_filter[d1][d3][0](), followed by
-     * loop_filter[d2][d3][0]() on the next 8 pixels
-     * mb_lim/lim/hev_thr contain two values in the lowest two bytes of the
-     * integer.
-     */
-    // FIXME perhaps a mix4 that operates on 32px (for AVX2)
-    void (*loop_filter_mix2[2][2][2])(uint8_t *dst, ptrdiff_t stride,
-                                      int mb_lim, int lim, int hev_thr);
-
-    /*
-     * dimension 1: hsize (0: 64, 1: 32, 2: 16, 3: 8, 4: 4)
-     * dimension 2: filter type (0: smooth, 1: regular, 2: sharp, 3: bilin)
-     * dimension 3: averaging type (0: put, 1: avg)
-     * dimension 4: x subpel interpolation (0: none, 1: 8tap/bilin)
-     * dimension 5: y subpel interpolation (0: none, 1: 8tap/bilin)
-     *
-     * dst/stride are aligned by hsize
-     */
-    vp9_mc_func mc[5][4][2][2][2];
-
-    /*
-     * for scalable MC, first 3 dimensions identical to above, the other two
-     * don't exist since it changes per stepsize.
-     */
-    vp9_scaled_mc_func smc[5][4][2];
-} VP9DSPContext;
-
-
-extern const int16_t ff_vp9_subpel_filters[3][16][8];
-
-void ff_vp9dsp_init(VP9DSPContext *dsp, int bpp, int bitexact);
-
-void ff_vp9dsp_init_8(VP9DSPContext *dsp);
-void ff_vp9dsp_init_10(VP9DSPContext *dsp);
-void ff_vp9dsp_init_12(VP9DSPContext *dsp);
-
-void ff_vp9dsp_init_aarch64(VP9DSPContext *dsp, int bpp);
-void ff_vp9dsp_init_arm(VP9DSPContext *dsp, int bpp);
-void ff_vp9dsp_init_x86(VP9DSPContext *dsp, int bpp, int bitexact);
-void ff_vp9dsp_init_mips(VP9DSPContext *dsp, int bpp);
-
-#endif /* AVCODEC_VP9DSP_H */
diff --git a/libavcodec/vp9dsp_template.c b/libavcodec/vp9dsp_template.c
index bb54561..01b08cd 100644
--- a/libavcodec/vp9dsp_template.c
+++ b/libavcodec/vp9dsp_template.c
@@ -23,7 +23,7 @@
 
 #include "libavutil/common.h"
 #include "bit_depth_template.c"
-#include "vp9dsp.h"
+#include "vp9.h"
 
 #if BIT_DEPTH != 12
 
diff --git a/libavcodec/vp9mvs.c b/libavcodec/vp9mvs.c
new file mode 100644
index 0000000..d78096b
--- /dev/null
+++ b/libavcodec/vp9mvs.c
@@ -0,0 +1,361 @@
+/*
+ * VP9 compatible video decoder
+ *
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "internal.h"
+#include "vp56.h"
+#include "vp9.h"
+#include "vp9data.h"
+
+static av_always_inline void clamp_mv(VP56mv *dst, const VP56mv *src,
+                                      VP9Context *s)
+{
+    dst->x = av_clip(src->x, s->min_mv.x, s->max_mv.x);
+    dst->y = av_clip(src->y, s->min_mv.y, s->max_mv.y);
+}
+
+static void find_ref_mvs(VP9Context *s,
+                         VP56mv *pmv, int ref, int z, int idx, int sb)
+{
+    static const int8_t mv_ref_blk_off[N_BS_SIZES][8][2] = {
+        [BS_64x64] = {{  3, -1 }, { -1,  3 }, {  4, -1 }, { -1,  4 },
+                      { -1, -1 }, {  0, -1 }, { -1,  0 }, {  6, -1 }},
+        [BS_64x32] = {{  0, -1 }, { -1,  0 }, {  4, -1 }, { -1,  2 },
+                      { -1, -1 }, {  0, -3 }, { -3,  0 }, {  2, -1 }},
+        [BS_32x64] = {{ -1,  0 }, {  0, -1 }, { -1,  4 }, {  2, -1 },
+                      { -1, -1 }, { -3,  0 }, {  0, -3 }, { -1,  2 }},
+        [BS_32x32] = {{  1, -1 }, { -1,  1 }, {  2, -1 }, { -1,  2 },
+                      { -1, -1 }, {  0, -3 }, { -3,  0 }, { -3, -3 }},
+        [BS_32x16] = {{  0, -1 }, { -1,  0 }, {  2, -1 }, { -1, -1 },
+                      { -1,  1 }, {  0, -3 }, { -3,  0 }, { -3, -3 }},
+        [BS_16x32] = {{ -1,  0 }, {  0, -1 }, { -1,  2 }, { -1, -1 },
+                      {  1, -1 }, { -3,  0 }, {  0, -3 }, { -3, -3 }},
+        [BS_16x16] = {{  0, -1 }, { -1,  0 }, {  1, -1 }, { -1,  1 },
+                      { -1, -1 }, {  0, -3 }, { -3,  0 }, { -3, -3 }},
+        [BS_16x8]  = {{  0, -1 }, { -1,  0 }, {  1, -1 }, { -1, -1 },
+                      {  0, -2 }, { -2,  0 }, { -2, -1 }, { -1, -2 }},
+        [BS_8x16]  = {{ -1,  0 }, {  0, -1 }, { -1,  1 }, { -1, -1 },
+                      { -2,  0 }, {  0, -2 }, { -1, -2 }, { -2, -1 }},
+        [BS_8x8]   = {{  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
+                      { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }},
+        [BS_8x4]   = {{  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
+                      { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }},
+        [BS_4x8]   = {{  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
+                      { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }},
+        [BS_4x4]   = {{  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
+                      { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }},
+    };
+    VP9Block *b = s->b;
+    int row = s->row, col = s->col, row7 = s->row7;
+    const int8_t (*p)[2] = mv_ref_blk_off[b->bs];
+#define INVALID_MV 0x80008000U
+    uint32_t mem = INVALID_MV, mem_sub8x8 = INVALID_MV;
+    int i;
+
+#define RETURN_DIRECT_MV(mv) \
+    do { \
+        uint32_t m = AV_RN32A(&mv); \
+        if (!idx) { \
+            AV_WN32A(pmv, m); \
+            return; \
+        } else if (mem == INVALID_MV) { \
+            mem = m; \
+        } else if (m != mem) { \
+            AV_WN32A(pmv, m); \
+            return; \
+        } \
+    } while (0)
+
+    if (sb >= 0) {
+        if (sb == 2 || sb == 1) {
+            RETURN_DIRECT_MV(b->mv[0][z]);
+        } else if (sb == 3) {
+            RETURN_DIRECT_MV(b->mv[2][z]);
+            RETURN_DIRECT_MV(b->mv[1][z]);
+            RETURN_DIRECT_MV(b->mv[0][z]);
+        }
+
+#define RETURN_MV(mv) \
+    do { \
+        if (sb > 0) { \
+            VP56mv tmp; \
+            uint32_t m; \
+            av_assert2(idx == 1); \
+            av_assert2(mem != INVALID_MV); \
+            if (mem_sub8x8 == INVALID_MV) { \
+                clamp_mv(&tmp, &mv, s); \
+                m = AV_RN32A(&tmp); \
+                if (m != mem) { \
+                    AV_WN32A(pmv, m); \
+                    return; \
+                } \
+                mem_sub8x8 = AV_RN32A(&mv); \
+            } else if (mem_sub8x8 != AV_RN32A(&mv)) { \
+                clamp_mv(&tmp, &mv, s); \
+                m = AV_RN32A(&tmp); \
+                if (m != mem) { \
+                    AV_WN32A(pmv, m); \
+                } else { \
+                    /* BUG I'm pretty sure this isn't the intention */ \
+                    AV_WN32A(pmv, 0); \
+                } \
+                return; \
+            } \
+        } else { \
+            uint32_t m = AV_RN32A(&mv); \
+            if (!idx) { \
+                clamp_mv(pmv, &mv, s); \
+                return; \
+            } else if (mem == INVALID_MV) { \
+                mem = m; \
+            } else if (m != mem) { \
+                clamp_mv(pmv, &mv, s); \
+                return; \
+            } \
+        } \
+    } while (0)
+
+        if (row > 0) {
+            struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[(row - 1) * s->sb_cols * 8 + col];
+            if (mv->ref[0] == ref) {
+                RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][0]);
+            } else if (mv->ref[1] == ref) {
+                RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][1]);
+            }
+        }
+        if (col > s->tile_col_start) {
+            struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[row * s->sb_cols * 8 + col - 1];
+            if (mv->ref[0] == ref) {
+                RETURN_MV(s->left_mv_ctx[2 * row7 + (sb >> 1)][0]);
+            } else if (mv->ref[1] == ref) {
+                RETURN_MV(s->left_mv_ctx[2 * row7 + (sb >> 1)][1]);
+            }
+        }
+        i = 2;
+    } else {
+        i = 0;
+    }
+
+    // previously coded MVs in this neighbourhood, using same reference frame
+    for (; i < 8; i++) {
+        int c = p[i][0] + col, r = p[i][1] + row;
+
+        if (c >= s->tile_col_start && c < s->cols && r >= 0 && r < s->rows) {
+            struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];
+
+            if (mv->ref[0] == ref) {
+                RETURN_MV(mv->mv[0]);
+            } else if (mv->ref[1] == ref) {
+                RETURN_MV(mv->mv[1]);
+            }
+        }
+    }
+
+    // MV at this position in previous frame, using same reference frame
+    if (s->s.h.use_last_frame_mvs) {
+        struct VP9mvrefPair *mv = &s->s.frames[REF_FRAME_MVPAIR].mv[row * s->sb_cols * 8 + col];
+
+        if (!s->s.frames[REF_FRAME_MVPAIR].uses_2pass)
+            ff_thread_await_progress(&s->s.frames[REF_FRAME_MVPAIR].tf, row >> 3, 0);
+        if (mv->ref[0] == ref) {
+            RETURN_MV(mv->mv[0]);
+        } else if (mv->ref[1] == ref) {
+            RETURN_MV(mv->mv[1]);
+        }
+    }
+
+#define RETURN_SCALE_MV(mv, scale) \
+    do { \
+        if (scale) { \
+            VP56mv mv_temp = { -mv.x, -mv.y }; \
+            RETURN_MV(mv_temp); \
+        } else { \
+            RETURN_MV(mv); \
+        } \
+    } while (0)
+
+    // previously coded MVs in this neighbourhood, using different reference frame
+    for (i = 0; i < 8; i++) {
+        int c = p[i][0] + col, r = p[i][1] + row;
+
+        if (c >= s->tile_col_start && c < s->cols && r >= 0 && r < s->rows) {
+            struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];
+
+            if (mv->ref[0] != ref && mv->ref[0] >= 0) {
+                RETURN_SCALE_MV(mv->mv[0], s->s.h.signbias[mv->ref[0]] != s->s.h.signbias[ref]);
+            }
+            if (mv->ref[1] != ref && mv->ref[1] >= 0 &&
+                // BUG - libvpx has this condition regardless of whether
+                // we used the first ref MV and pre-scaling
+                AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) {
+                RETURN_SCALE_MV(mv->mv[1], s->s.h.signbias[mv->ref[1]] != s->s.h.signbias[ref]);
+            }
+        }
+    }
+
+    // MV at this position in previous frame, using different reference frame
+    if (s->s.h.use_last_frame_mvs) {
+        struct VP9mvrefPair *mv = &s->s.frames[REF_FRAME_MVPAIR].mv[row * s->sb_cols * 8 + col];
+
+        // no need to await_progress, because we already did that above
+        if (mv->ref[0] != ref && mv->ref[0] >= 0) {
+            RETURN_SCALE_MV(mv->mv[0], s->s.h.signbias[mv->ref[0]] != s->s.h.signbias[ref]);
+        }
+        if (mv->ref[1] != ref && mv->ref[1] >= 0 &&
+            // BUG - libvpx has this condition regardless of whether
+            // we used the first ref MV and pre-scaling
+            AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) {
+            RETURN_SCALE_MV(mv->mv[1], s->s.h.signbias[mv->ref[1]] != s->s.h.signbias[ref]);
+        }
+    }
+
+    AV_ZERO32(pmv);
+    clamp_mv(pmv, pmv, s);
+#undef INVALID_MV
+#undef RETURN_MV
+#undef RETURN_SCALE_MV
+}
+
+static av_always_inline int read_mv_component(VP9Context *s, int idx, int hp)
+{
+    int bit, sign = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].sign);
+    int n, c = vp8_rac_get_tree(&s->c, ff_vp9_mv_class_tree,
+                                s->prob.p.mv_comp[idx].classes);
+
+    s->counts.mv_comp[idx].sign[sign]++;
+    s->counts.mv_comp[idx].classes[c]++;
+    if (c) {
+        int m;
+
+        for (n = 0, m = 0; m < c; m++) {
+            bit = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].bits[m]);
+            n |= bit << m;
+            s->counts.mv_comp[idx].bits[m][bit]++;
+        }
+        n <<= 3;
+        bit = vp8_rac_get_tree(&s->c, ff_vp9_mv_fp_tree, s->prob.p.mv_comp[idx].fp);
+        n |= bit << 1;
+        s->counts.mv_comp[idx].fp[bit]++;
+        if (hp) {
+            bit = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].hp);
+            s->counts.mv_comp[idx].hp[bit]++;
+            n |= bit;
+        } else {
+            n |= 1;
+            // bug in libvpx - we count for bw entropy purposes even if the
+            // bit wasn't coded
+            s->counts.mv_comp[idx].hp[1]++;
+        }
+        n += 8 << c;
+    } else {
+        n = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].class0);
+        s->counts.mv_comp[idx].class0[n]++;
+        bit = vp8_rac_get_tree(&s->c, ff_vp9_mv_fp_tree,
+                               s->prob.p.mv_comp[idx].class0_fp[n]);
+        s->counts.mv_comp[idx].class0_fp[n][bit]++;
+        n = (n << 3) | (bit << 1);
+        if (hp) {
+            bit = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].class0_hp);
+            s->counts.mv_comp[idx].class0_hp[bit]++;
+            n |= bit;
+        } else {
+            n |= 1;
+            // bug in libvpx - we count for bw entropy purposes even if the
+            // bit wasn't coded
+            s->counts.mv_comp[idx].class0_hp[1]++;
+        }
+    }
+
+    return sign ? -(n + 1) : (n + 1);
+}
+
+void ff_vp9_fill_mv(VP9Context *s, VP56mv *mv, int mode, int sb)
+{
+    VP9Block *b = s->b;
+
+    if (mode == ZEROMV) {
+        AV_ZERO64(mv);
+    } else {
+        int hp;
+
+        // FIXME cache this value and reuse for other subblocks
+        find_ref_mvs(s, &mv[0], b->ref[0], 0, mode == NEARMV,
+                     mode == NEWMV ? -1 : sb);
+        // FIXME maybe move this code into find_ref_mvs()
+        if ((mode == NEWMV || sb == -1) &&
+            !(hp = s->s.h.highprecisionmvs && abs(mv[0].x) < 64 && abs(mv[0].y) < 64)) {
+            if (mv[0].y & 1) {
+                if (mv[0].y < 0)
+                    mv[0].y++;
+                else
+                    mv[0].y--;
+            }
+            if (mv[0].x & 1) {
+                if (mv[0].x < 0)
+                    mv[0].x++;
+                else
+                    mv[0].x--;
+            }
+        }
+        if (mode == NEWMV) {
+            enum MVJoint j = vp8_rac_get_tree(&s->c, ff_vp9_mv_joint_tree,
+                                              s->prob.p.mv_joint);
+
+            s->counts.mv_joint[j]++;
+            if (j >= MV_JOINT_V)
+                mv[0].y += read_mv_component(s, 0, hp);
+            if (j & 1)
+                mv[0].x += read_mv_component(s, 1, hp);
+        }
+
+        if (b->comp) {
+            // FIXME cache this value and reuse for other subblocks
+            find_ref_mvs(s, &mv[1], b->ref[1], 1, mode == NEARMV,
+                         mode == NEWMV ? -1 : sb);
+            if ((mode == NEWMV || sb == -1) &&
+                !(hp = s->s.h.highprecisionmvs && abs(mv[1].x) < 64 && abs(mv[1].y) < 64)) {
+                if (mv[1].y & 1) {
+                    if (mv[1].y < 0)
+                        mv[1].y++;
+                    else
+                        mv[1].y--;
+                }
+                if (mv[1].x & 1) {
+                    if (mv[1].x < 0)
+                        mv[1].x++;
+                    else
+                        mv[1].x--;
+                }
+            }
+            if (mode == NEWMV) {
+                enum MVJoint j = vp8_rac_get_tree(&s->c, ff_vp9_mv_joint_tree,
+                                                  s->prob.p.mv_joint);
+
+                s->counts.mv_joint[j]++;
+                if (j >= MV_JOINT_V)
+                    mv[1].y += read_mv_component(s, 0, hp);
+                if (j & 1)
+                    mv[1].x += read_mv_component(s, 1, hp);
+            }
+        }
+    }
+}
diff --git a/libavcodec/vp9prob.c b/libavcodec/vp9prob.c
new file mode 100644
index 0000000..948b87e
--- /dev/null
+++ b/libavcodec/vp9prob.c
@@ -0,0 +1,265 @@
+/*
+ * VP9 compatible video decoder
+ *
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "vp56.h"
+#include "vp9.h"
+#include "vp9data.h"
+
+static av_always_inline void adapt_prob(uint8_t *p, unsigned ct0, unsigned ct1,
+                                        int max_count, int update_factor)
+{
+    unsigned ct = ct0 + ct1, p2, p1;
+
+    if (!ct)
+        return;
+
+    update_factor = FASTDIV(update_factor * FFMIN(ct, max_count), max_count);
+    p1 = *p;
+    p2 = ((((int64_t) ct0) << 8) + (ct >> 1)) / ct;
+    p2 = av_clip(p2, 1, 255);
+
+    // (p1 * (256 - update_factor) + p2 * update_factor + 128) >> 8
+    *p = p1 + (((p2 - p1) * update_factor + 128) >> 8);
+}
+
+void ff_vp9_adapt_probs(VP9Context *s)
+{
+    int i, j, k, l, m;
+    ProbContext *p = &s->prob_ctx[s->s.h.framectxid].p;
+    int uf = (s->s.h.keyframe || s->s.h.intraonly || !s->last_keyframe) ? 112 : 128;
+
+    // coefficients
+    for (i = 0; i < 4; i++)
+        for (j = 0; j < 2; j++)
+            for (k = 0; k < 2; k++)
+                for (l = 0; l < 6; l++)
+                    for (m = 0; m < 6; m++) {
+                        uint8_t *pp = s->prob_ctx[s->s.h.framectxid].coef[i][j][k][l][m];
+                        unsigned *e = s->counts.eob[i][j][k][l][m];
+                        unsigned *c = s->counts.coef[i][j][k][l][m];
+
+                        if (l == 0 && m >= 3) // dc only has 3 pt
+                            break;
+
+                        adapt_prob(&pp[0], e[0], e[1], 24, uf);
+                        adapt_prob(&pp[1], c[0], c[1] + c[2], 24, uf);
+                        adapt_prob(&pp[2], c[1], c[2], 24, uf);
+                    }
+
+    if (s->s.h.keyframe || s->s.h.intraonly) {
+        memcpy(p->skip,  s->prob.p.skip,  sizeof(p->skip));
+        memcpy(p->tx32p, s->prob.p.tx32p, sizeof(p->tx32p));
+        memcpy(p->tx16p, s->prob.p.tx16p, sizeof(p->tx16p));
+        memcpy(p->tx8p,  s->prob.p.tx8p,  sizeof(p->tx8p));
+        return;
+    }
+
+    // skip flag
+    for (i = 0; i < 3; i++)
+        adapt_prob(&p->skip[i], s->counts.skip[i][0], s->counts.skip[i][1], 20, 128);
+
+    // intra/inter flag
+    for (i = 0; i < 4; i++)
+        adapt_prob(&p->intra[i], s->counts.intra[i][0], s->counts.intra[i][1], 20, 128);
+
+    // comppred flag
+    if (s->s.h.comppredmode == PRED_SWITCHABLE) {
+      for (i = 0; i < 5; i++)
+          adapt_prob(&p->comp[i], s->counts.comp[i][0], s->counts.comp[i][1], 20, 128);
+    }
+
+    // reference frames
+    if (s->s.h.comppredmode != PRED_SINGLEREF) {
+      for (i = 0; i < 5; i++)
+          adapt_prob(&p->comp_ref[i], s->counts.comp_ref[i][0],
+                     s->counts.comp_ref[i][1], 20, 128);
+    }
+
+    if (s->s.h.comppredmode != PRED_COMPREF) {
+      for (i = 0; i < 5; i++) {
+          uint8_t *pp = p->single_ref[i];
+          unsigned (*c)[2] = s->counts.single_ref[i];
+
+          adapt_prob(&pp[0], c[0][0], c[0][1], 20, 128);
+          adapt_prob(&pp[1], c[1][0], c[1][1], 20, 128);
+      }
+    }
+
+    // block partitioning
+    for (i = 0; i < 4; i++)
+        for (j = 0; j < 4; j++) {
+            uint8_t *pp = p->partition[i][j];
+            unsigned *c = s->counts.partition[i][j];
+
+            adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
+            adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
+            adapt_prob(&pp[2], c[2], c[3], 20, 128);
+        }
+
+    // tx size
+    if (s->s.h.txfmmode == TX_SWITCHABLE) {
+      for (i = 0; i < 2; i++) {
+          unsigned *c16 = s->counts.tx16p[i], *c32 = s->counts.tx32p[i];
+
+          adapt_prob(&p->tx8p[i], s->counts.tx8p[i][0], s->counts.tx8p[i][1], 20, 128);
+          adapt_prob(&p->tx16p[i][0], c16[0], c16[1] + c16[2], 20, 128);
+          adapt_prob(&p->tx16p[i][1], c16[1], c16[2], 20, 128);
+          adapt_prob(&p->tx32p[i][0], c32[0], c32[1] + c32[2] + c32[3], 20, 128);
+          adapt_prob(&p->tx32p[i][1], c32[1], c32[2] + c32[3], 20, 128);
+          adapt_prob(&p->tx32p[i][2], c32[2], c32[3], 20, 128);
+      }
+    }
+
+    // interpolation filter
+    if (s->s.h.filtermode == FILTER_SWITCHABLE) {
+        for (i = 0; i < 4; i++) {
+            uint8_t *pp = p->filter[i];
+            unsigned *c = s->counts.filter[i];
+
+            adapt_prob(&pp[0], c[0], c[1] + c[2], 20, 128);
+            adapt_prob(&pp[1], c[1], c[2], 20, 128);
+        }
+    }
+
+    // inter modes
+    for (i = 0; i < 7; i++) {
+        uint8_t *pp = p->mv_mode[i];
+        unsigned *c = s->counts.mv_mode[i];
+
+        adapt_prob(&pp[0], c[2], c[1] + c[0] + c[3], 20, 128);
+        adapt_prob(&pp[1], c[0], c[1] + c[3], 20, 128);
+        adapt_prob(&pp[2], c[1], c[3], 20, 128);
+    }
+
+    // mv joints
+    {
+        uint8_t *pp = p->mv_joint;
+        unsigned *c = s->counts.mv_joint;
+
+        adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
+        adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
+        adapt_prob(&pp[2], c[2], c[3], 20, 128);
+    }
+
+    // mv components
+    for (i = 0; i < 2; i++) {
+        uint8_t *pp;
+        unsigned *c, (*c2)[2], sum;
+
+        adapt_prob(&p->mv_comp[i].sign, s->counts.mv_comp[i].sign[0],
+                   s->counts.mv_comp[i].sign[1], 20, 128);
+
+        pp = p->mv_comp[i].classes;
+        c = s->counts.mv_comp[i].classes;
+        sum = c[1] + c[2] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9] + c[10];
+        adapt_prob(&pp[0], c[0], sum, 20, 128);
+        sum -= c[1];
+        adapt_prob(&pp[1], c[1], sum, 20, 128);
+        sum -= c[2] + c[3];
+        adapt_prob(&pp[2], c[2] + c[3], sum, 20, 128);
+        adapt_prob(&pp[3], c[2], c[3], 20, 128);
+        sum -= c[4] + c[5];
+        adapt_prob(&pp[4], c[4] + c[5], sum, 20, 128);
+        adapt_prob(&pp[5], c[4], c[5], 20, 128);
+        sum -= c[6];
+        adapt_prob(&pp[6], c[6], sum, 20, 128);
+        adapt_prob(&pp[7], c[7] + c[8], c[9] + c[10], 20, 128);
+        adapt_prob(&pp[8], c[7], c[8], 20, 128);
+        adapt_prob(&pp[9], c[9], c[10], 20, 128);
+
+        adapt_prob(&p->mv_comp[i].class0, s->counts.mv_comp[i].class0[0],
+                   s->counts.mv_comp[i].class0[1], 20, 128);
+        pp = p->mv_comp[i].bits;
+        c2 = s->counts.mv_comp[i].bits;
+        for (j = 0; j < 10; j++)
+            adapt_prob(&pp[j], c2[j][0], c2[j][1], 20, 128);
+
+        for (j = 0; j < 2; j++) {
+            pp = p->mv_comp[i].class0_fp[j];
+            c = s->counts.mv_comp[i].class0_fp[j];
+            adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
+            adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
+            adapt_prob(&pp[2], c[2], c[3], 20, 128);
+        }
+        pp = p->mv_comp[i].fp;
+        c = s->counts.mv_comp[i].fp;
+        adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
+        adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
+        adapt_prob(&pp[2], c[2], c[3], 20, 128);
+
+        if (s->s.h.highprecisionmvs) {
+            adapt_prob(&p->mv_comp[i].class0_hp, s->counts.mv_comp[i].class0_hp[0],
+                       s->counts.mv_comp[i].class0_hp[1], 20, 128);
+            adapt_prob(&p->mv_comp[i].hp, s->counts.mv_comp[i].hp[0],
+                       s->counts.mv_comp[i].hp[1], 20, 128);
+        }
+    }
+
+    // y intra modes
+    for (i = 0; i < 4; i++) {
+        uint8_t *pp = p->y_mode[i];
+        unsigned *c = s->counts.y_mode[i], sum, s2;
+
+        sum = c[0] + c[1] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9];
+        adapt_prob(&pp[0], c[DC_PRED], sum, 20, 128);
+        sum -= c[TM_VP8_PRED];
+        adapt_prob(&pp[1], c[TM_VP8_PRED], sum, 20, 128);
+        sum -= c[VERT_PRED];
+        adapt_prob(&pp[2], c[VERT_PRED], sum, 20, 128);
+        s2 = c[HOR_PRED] + c[DIAG_DOWN_RIGHT_PRED] + c[VERT_RIGHT_PRED];
+        sum -= s2;
+        adapt_prob(&pp[3], s2, sum, 20, 128);
+        s2 -= c[HOR_PRED];
+        adapt_prob(&pp[4], c[HOR_PRED], s2, 20, 128);
+        adapt_prob(&pp[5], c[DIAG_DOWN_RIGHT_PRED], c[VERT_RIGHT_PRED], 20, 128);
+        sum -= c[DIAG_DOWN_LEFT_PRED];
+        adapt_prob(&pp[6], c[DIAG_DOWN_LEFT_PRED], sum, 20, 128);
+        sum -= c[VERT_LEFT_PRED];
+        adapt_prob(&pp[7], c[VERT_LEFT_PRED], sum, 20, 128);
+        adapt_prob(&pp[8], c[HOR_DOWN_PRED], c[HOR_UP_PRED], 20, 128);
+    }
+
+    // uv intra modes
+    for (i = 0; i < 10; i++) {
+        uint8_t *pp = p->uv_mode[i];
+        unsigned *c = s->counts.uv_mode[i], sum, s2;
+
+        sum = c[0] + c[1] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9];
+        adapt_prob(&pp[0], c[DC_PRED], sum, 20, 128);
+        sum -= c[TM_VP8_PRED];
+        adapt_prob(&pp[1], c[TM_VP8_PRED], sum, 20, 128);
+        sum -= c[VERT_PRED];
+        adapt_prob(&pp[2], c[VERT_PRED], sum, 20, 128);
+        s2 = c[HOR_PRED] + c[DIAG_DOWN_RIGHT_PRED] + c[VERT_RIGHT_PRED];
+        sum -= s2;
+        adapt_prob(&pp[3], s2, sum, 20, 128);
+        s2 -= c[HOR_PRED];
+        adapt_prob(&pp[4], c[HOR_PRED], s2, 20, 128);
+        adapt_prob(&pp[5], c[DIAG_DOWN_RIGHT_PRED], c[VERT_RIGHT_PRED], 20, 128);
+        sum -= c[DIAG_DOWN_LEFT_PRED];
+        adapt_prob(&pp[6], c[DIAG_DOWN_LEFT_PRED], sum, 20, 128);
+        sum -= c[VERT_LEFT_PRED];
+        adapt_prob(&pp[7], c[VERT_LEFT_PRED], sum, 20, 128);
+        adapt_prob(&pp[8], c[HOR_DOWN_PRED], c[HOR_UP_PRED], 20, 128);
+    }
+}
diff --git a/libavcodec/x86/vp9dsp_init.c b/libavcodec/x86/vp9dsp_init.c
index 66363d4..ae54377 100644
--- a/libavcodec/x86/vp9dsp_init.c
+++ b/libavcodec/x86/vp9dsp_init.c
@@ -24,7 +24,7 @@
 #include "libavutil/cpu.h"
 #include "libavutil/mem.h"
 #include "libavutil/x86/cpu.h"
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 #include "libavcodec/x86/vp9dsp_init.h"
 
 #if HAVE_YASM
diff --git a/libavcodec/x86/vp9dsp_init.h b/libavcodec/x86/vp9dsp_init.h
index e410cab..016dc7f 100644
--- a/libavcodec/x86/vp9dsp_init.h
+++ b/libavcodec/x86/vp9dsp_init.h
@@ -23,7 +23,7 @@
 #ifndef AVCODEC_X86_VP9DSP_INIT_H
 #define AVCODEC_X86_VP9DSP_INIT_H
 
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 
 // hack to force-expand BPC
 #define cat(a, bpp, b) a##bpp##b
diff --git a/libavcodec/x86/vp9dsp_init_16bpp.c b/libavcodec/x86/vp9dsp_init_16bpp.c
index 4576ff1..17aad50 100644
--- a/libavcodec/x86/vp9dsp_init_16bpp.c
+++ b/libavcodec/x86/vp9dsp_init_16bpp.c
@@ -24,7 +24,7 @@
 #include "libavutil/cpu.h"
 #include "libavutil/mem.h"
 #include "libavutil/x86/cpu.h"
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 #include "libavcodec/x86/vp9dsp_init.h"
 
 #if HAVE_YASM
diff --git a/libavcodec/x86/vp9dsp_init_16bpp_template.c b/libavcodec/x86/vp9dsp_init_16bpp_template.c
index 4840b28..6f37e4b 100644
--- a/libavcodec/x86/vp9dsp_init_16bpp_template.c
+++ b/libavcodec/x86/vp9dsp_init_16bpp_template.c
@@ -24,7 +24,7 @@
 #include "libavutil/cpu.h"
 #include "libavutil/mem.h"
 #include "libavutil/x86/cpu.h"
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 #include "libavcodec/x86/vp9dsp_init.h"
 
 #if HAVE_YASM
diff --git a/tests/checkasm/vp9dsp.c b/tests/checkasm/vp9dsp.c
index 4817309..a91577b 100644
--- a/tests/checkasm/vp9dsp.c
+++ b/tests/checkasm/vp9dsp.c
@@ -22,7 +22,7 @@
 #include <string.h>
 #include "checkasm.h"
 #include "libavcodec/vp9data.h"
-#include "libavcodec/vp9dsp.h"
+#include "libavcodec/vp9.h"
 #include "libavutil/common.h"
 #include "libavutil/internal.h"
 #include "libavutil/intreadwrite.h"
@@ -259,7 +259,7 @@ static int copy_subcoefs(int16_t *out, const int16_t *in, enum TxfmMode tx,
     // test
 
     int n;
-    const int16_t *scan = vp9_scans[tx][txtp];
+    const int16_t *scan = ff_vp9_scans[tx][txtp];
     int eob;
 
     for (n = 0; n < sz * sz; n++) {