diff options
Diffstat (limited to 'libavcodec/vp9.h')
-rw-r--r-- | libavcodec/vp9.h | 356 |
1 files changed, 4 insertions, 352 deletions
diff --git a/libavcodec/vp9.h b/libavcodec/vp9.h index 724288d..9a29416 100644 --- a/libavcodec/vp9.h +++ b/libavcodec/vp9.h @@ -4,34 +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/internal.h" - -#include "avcodec.h" -#include "vp56.h" - enum TxfmMode { TX_4X4, TX_8X8, @@ -77,344 +69,4 @@ enum FilterMode { 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, const uint8_t *ref, - ptrdiff_t dst_stride, - 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 h264/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, -}; - -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; - -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; -} VP9Block; - -typedef struct VP9Context { - VP9DSPContext dsp; - VideoDSPContext vdsp; - GetBitContext gb; - VP56RangeCoder c; - VP56RangeCoder *c_b; - unsigned c_b_size; - VP9Block b; - - // 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 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]; - AVFrame *refs[8]; - AVFrame *cur_frame; - - 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]; - uint8_t *segmentation_map; - VP9MVRefPair *mv[2]; - VP9Filter *lflvl; - DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer)[71 * 80]; - - // block reconstruction intermediates - DECLARE_ALIGNED(32, int16_t, block)[4096]; - DECLARE_ALIGNED(32, int16_t, uvblock)[2][1024]; - uint8_t eob[256]; - uint8_t uveob[2][64]; - VP56mv min_mv, max_mv; - DECLARE_ALIGNED(32, uint8_t, tmp_y)[64 * 64]; - DECLARE_ALIGNED(32, uint8_t, tmp_uv)[2][32 * 32]; -} VP9Context; - -void ff_vp9dsp_init(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 */ |