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authorClément Bœsch <u@pkh.me>2017-03-25 12:10:13 +0100
committerClément Bœsch <u@pkh.me>2017-03-27 21:38:21 +0200
commit1c9f4b507888ac94c7d9f7a6ac9edfe6880fa821 (patch)
tree915625969a0bb69ef30124675632f97456039f03 /libavcodec/vp9.c
parent487ca38e8bc416239f49b9b7768814fa7be82b5f (diff)
lavc/vp9: split into vp9{block,data,mvs}
This is following Libav layout to ease merges.
Diffstat (limited to 'libavcodec/vp9.c')
-rw-r--r--libavcodec/vp9.c2796
1 files changed, 33 insertions, 2763 deletions
diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c
index a41f3a3961..16f4c0d0f4 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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-06 03:21:03 +0000