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-rw-r--r--libavcodec/vp9.h389
1 files changed, 6 insertions, 383 deletions
diff --git a/libavcodec/vp9.h b/libavcodec/vp9.h
index 6fd5ba1..c8d07ad 100644
--- a/libavcodec/vp9.h
+++ b/libavcodec/vp9.h
@@ -4,36 +4,26 @@
* Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
* Copyright (C) 2013 Clément Bœsch <u pkh me>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * 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_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"
-
enum TxfmMode {
TX_4X4,
TX_8X8,
@@ -76,375 +66,8 @@ enum FilterMode {
FILTER_8TAP_REGULAR,
FILTER_8TAP_SHARP,
FILTER_BILINEAR,
- FILTER_SWITCHABLE,
-};
-
-enum BlockPartition {
- PARTITION_NONE, // [ ] <-.
- PARTITION_H, // [-] |
- PARTITION_V, // [|] |
- PARTITION_SPLIT, // [+] --'
-};
-
-enum InterPredMode {
- NEARESTMV = 10,
- NEARMV = 11,
- ZEROMV = 12,
- NEWMV = 13,
-};
-
-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 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 (1: none, 1: 8tap/bilin)
- *
- * dst/stride are aligned by hsize
- */
- vp9_mc_func mc[5][4][2][2][2];
-} VP9DSPContext;
-
-enum CompPredMode {
- PRED_SINGLEREF,
- PRED_COMPREF,
- PRED_SWITCHABLE,
+ N_FILTERS,
+ FILTER_SWITCHABLE = N_FILTERS,
};
-typedef struct VP9MVRefPair {
- VP56mv mv[2];
- int8_t ref[2];
-} VP9MVRefPair;
-
-typedef 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 */];
-} VP9Filter;
-
-typedef struct VP9Frame {
- ThreadFrame tf;
-
- uint8_t *segmentation_map;
- VP9MVRefPair *mv;
-
- AVBufferRef *segmentation_map_buf;
- AVBufferRef *mv_buf;
-} VP9Frame;
-
-enum BlockLevel {
- BL_64X64,
- BL_32X32,
- BL_16X16,
- BL_8X8,
-};
-
-enum BlockSize {
- BS_64x64,
- BS_64x32,
- BS_32x64,
- BS_32x32,
- BS_32x16,
- BS_16x32,
- BS_16x16,
- BS_16x8,
- BS_8x16,
- BS_8x8,
- BS_8x4,
- BS_4x8,
- BS_4x4,
- N_BS_SIZES,
-};
-
-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;
-
- int row, row7, col, col7;
- uint8_t *dst[3];
- ptrdiff_t y_stride, uv_stride;
-
- enum BlockLevel bl;
- enum BlockPartition bp;
-} VP9Block;
-
-typedef struct VP9Context {
- VP9DSPContext dsp;
- VideoDSPContext vdsp;
- GetBitContext gb;
- VP56RangeCoder c;
- VP56RangeCoder *c_b;
- unsigned c_b_size;
- VP9Block *b;
- VP9Block *b_base;
-
- int alloc_width;
- int alloc_height;
-
- int pass;
- int uses_2pass;
- int last_uses_2pass;
- int setup_finished;
-
- // bitstream header
- uint8_t profile;
- uint8_t keyframe, last_keyframe;
- uint8_t invisible;
- uint8_t use_last_frame_mvs;
- uint8_t errorres;
- uint8_t colorspace;
- uint8_t sub_x;
- uint8_t sub_y;
- uint8_t fullrange;
- uint8_t intraonly;
- uint8_t resetctx;
- uint8_t refreshrefmask;
- uint8_t highprecisionmvs;
- enum FilterMode filtermode;
- uint8_t allowcompinter;
- uint8_t fixcompref;
- uint8_t refreshctx;
- uint8_t parallelmode;
- uint8_t framectxid;
- uint8_t refidx[3];
- uint8_t signbias[3];
- uint8_t varcompref[2];
-
- ThreadFrame refs[8];
-
-#define CUR_FRAME 0
-#define LAST_FRAME 1
- VP9Frame frames[2];
-
- struct {
- uint8_t level;
- int8_t sharpness;
- uint8_t lim_lut[64];
- uint8_t mblim_lut[64];
- } filter;
- struct {
- uint8_t enabled;
- int8_t mode[2];
- int8_t ref[4];
- } lf_delta;
- uint8_t yac_qi;
- int8_t ydc_qdelta, uvdc_qdelta, uvac_qdelta;
- uint8_t lossless;
- struct {
- uint8_t enabled;
- uint8_t temporal;
- uint8_t absolute_vals;
- uint8_t update_map;
- #define MAX_SEGMENT 8
- struct {
- uint8_t q_enabled;
- uint8_t lf_enabled;
- uint8_t ref_enabled;
- uint8_t skip_enabled;
- uint8_t ref_val;
- int16_t q_val;
- int8_t lf_val;
- int16_t qmul[2][2];
- uint8_t lflvl[4][2];
- } feat[MAX_SEGMENT];
- } segmentation;
- struct {
- unsigned log2_tile_cols, log2_tile_rows;
- unsigned tile_cols, tile_rows;
- unsigned tile_row_start, tile_row_end, tile_col_start, tile_col_end;
- } tiling;
- unsigned sb_cols, sb_rows, rows, cols;
- 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];
- uint8_t seg[7];
- uint8_t segpred[3];
- } 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;
- enum TxfmMode txfmmode;
- enum CompPredMode comppredmode;
-
- // contextual (left/above) cache
- uint8_t left_partition_ctx[8], *above_partition_ctx;
- uint8_t left_mode_ctx[16], *above_mode_ctx;
- // FIXME maybe merge some of the below in a flags field?
- uint8_t left_y_nnz_ctx[16], *above_y_nnz_ctx;
- uint8_t left_uv_nnz_ctx[2][8], *above_uv_nnz_ctx[2];
- uint8_t left_skip_ctx[8], *above_skip_ctx; // 1bit
- uint8_t left_txfm_ctx[8], *above_txfm_ctx; // 2bit
- uint8_t left_segpred_ctx[8], *above_segpred_ctx; // 1bit
- uint8_t left_intra_ctx[8], *above_intra_ctx; // 1bit
- uint8_t left_comp_ctx[8], *above_comp_ctx; // 1bit
- uint8_t left_ref_ctx[8], *above_ref_ctx; // 2bit
- uint8_t left_filter_ctx[8], *above_filter_ctx;
- VP56mv left_mv_ctx[16][2], (*above_mv_ctx)[2];
-
- // whole-frame cache
- uint8_t *intra_pred_data[3];
- VP9Filter *lflvl;
- // This requires 64 + 8 rows, with 80 bytes stride
- DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer)[72 * 80];
-
- // block reconstruction intermediates
- 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];
- DECLARE_ALIGNED(32, uint8_t, tmp_uv)[2][32 * 32];
-} VP9Context;
-
-extern const int8_t ff_vp9_subpel_filters[3][15][8];
-
-void ff_vp9dsp_init(VP9DSPContext *dsp);
-
-void ff_vp9dsp_init_aarch64(VP9DSPContext *dsp);
-void ff_vp9dsp_init_arm(VP9DSPContext *dsp);
-void ff_vp9dsp_init_x86(VP9DSPContext *dsp);
-
-void ff_vp9_fill_mv(VP9Context *s, VP56mv *mv, int mode, int sb);
-
-void ff_vp9_adapt_probs(VP9Context *s);
-
-int ff_vp9_decode_block(AVCodecContext *avctx, int row, int col,
- VP9Filter *lflvl, ptrdiff_t yoff, ptrdiff_t uvoff,
- enum BlockLevel bl, enum BlockPartition bp);
-
#endif /* AVCODEC_VP9_H */
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