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Diffstat (limited to 'libavcodec/vp9mvs.c')
-rw-r--r--libavcodec/vp9mvs.c212
1 files changed, 110 insertions, 102 deletions
diff --git a/libavcodec/vp9mvs.c b/libavcodec/vp9mvs.c
index dde0e84355..88db1c341c 100644
--- a/libavcodec/vp9mvs.c
+++ b/libavcodec/vp9mvs.c
@@ -4,20 +4,20 @@
* Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
* Copyright (C) 2013 Clément Bœsch <u pkh me>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -25,15 +25,16 @@
#include "vp56.h"
#include "vp9.h"
#include "vp9data.h"
+#include "vp9dec.h"
static av_always_inline void clamp_mv(VP56mv *dst, const VP56mv *src,
- VP9Context *s)
+ VP9TileData *td)
{
- 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);
+ dst->x = av_clip(src->x, td->min_mv.x, td->max_mv.x);
+ dst->y = av_clip(src->y, td->min_mv.y, td->max_mv.y);
}
-static void find_ref_mvs(VP9Context *s,
+static void find_ref_mvs(VP9TileData *td,
VP56mv *pmv, int ref, int z, int idx, int sb)
{
static const int8_t mv_ref_blk_off[N_BS_SIZES][8][2] = {
@@ -64,11 +65,12 @@ static void find_ref_mvs(VP9Context *s,
[BS_4x4] = { { 0, -1 }, { -1, 0 }, { -1, -1 }, { 0, -2 },
{ -2, 0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
};
- VP9Block *b = s->b;
- int row = b->row, col = b->col, row7 = b->row7;
+ VP9Context *s = td->s;
+ VP9Block *b = td->b;
+ int row = td->row, col = td->col, row7 = td->row7;
const int8_t (*p)[2] = mv_ref_blk_off[b->bs];
#define INVALID_MV 0x80008000U
- uint32_t mem = INVALID_MV;
+ uint32_t mem = INVALID_MV, mem_sub8x8 = INVALID_MV;
int i;
#define RETURN_DIRECT_MV(mv) \
@@ -94,64 +96,72 @@ static void find_ref_mvs(VP9Context *s,
RETURN_DIRECT_MV(b->mv[0][z]);
}
-#define RETURN_MV(mv) \
- do { \
- if (sb > 0) { \
- VP56mv tmp; \
- uint32_t m; \
- clamp_mv(&tmp, &mv, s); \
- m = AV_RN32A(&tmp); \
- if (!idx) { \
- AV_WN32A(pmv, m); \
- return; \
- } else if (mem == INVALID_MV) { \
- mem = m; \
- } else if (m != mem) { \
- AV_WN32A(pmv, m); \
- 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; \
- } \
- } \
+#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, td); \
+ 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, td); \
+ 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, td); \
+ return; \
+ } else if (mem == INVALID_MV) { \
+ mem = m; \
+ } else if (m != mem) { \
+ clamp_mv(pmv, &mv, td); \
+ return; \
+ } \
+ } \
} while (0)
if (row > 0) {
- VP9MVRefPair *mv = &s->frames[CUR_FRAME].mv[(row - 1) * s->sb_cols * 8 + col];
-
+ 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->tiling.tile_col_start) {
- VP9MVRefPair *mv = &s->frames[CUR_FRAME].mv[row * s->sb_cols * 8 + col - 1];
-
+ if (col > td->tile_col_start) {
+ 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]);
+ RETURN_MV(td->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]);
+ RETURN_MV(td->left_mv_ctx[2 * row7 + (sb >> 1)][1]);
}
i = 2;
} else {
i = 0;
}
- // previously coded MVs in the neighborhood, using same reference frame
+ // previously coded MVs in this neighborhood, using same reference frame
for (; i < 8; i++) {
int c = p[i][0] + col, r = p[i][1] + row;
- if (c >= s->tiling.tile_col_start && c < s->cols &&
+ if (c >= td->tile_col_start && c < s->cols &&
r >= 0 && r < s->rows) {
- VP9MVRefPair *mv = &s->frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];
+ VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];
if (mv->ref[0] == ref)
RETURN_MV(mv->mv[0]);
@@ -161,12 +171,11 @@ static void find_ref_mvs(VP9Context *s,
}
// MV at this position in previous frame, using same reference frame
- if (s->use_last_frame_mvs) {
- VP9MVRefPair *mv = &s->frames[LAST_FRAME].mv[row * s->sb_cols * 8 + col];
-
- if (!s->last_uses_2pass)
- ff_thread_await_progress(&s->frames[LAST_FRAME].tf, row >> 3, 0);
+ if (s->s.h.use_last_frame_mvs) {
+ 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)
@@ -183,119 +192,118 @@ static void find_ref_mvs(VP9Context *s,
} \
} while (0)
- // previously coded MVs in the neighborhood, using different reference frame
+ // previously coded MVs in this neighborhood, using different reference frame
for (i = 0; i < 8; i++) {
int c = p[i][0] + col, r = p[i][1] + row;
- if (c >= s->tiling.tile_col_start && c < s->cols &&
- r >= 0 && r < s->rows) {
- VP9MVRefPair *mv = &s->frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];
+ if (c >= td->tile_col_start && c < s->cols && r >= 0 && r < s->rows) {
+ 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->signbias[mv->ref[0]] != s->signbias[ref]);
+ 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->signbias[mv->ref[1]] != s->signbias[ref]);
+ 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->use_last_frame_mvs) {
- VP9MVRefPair *mv = &s->frames[LAST_FRAME].mv[row * s->sb_cols * 8 + col];
+ if (s->s.h.use_last_frame_mvs) {
+ 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->signbias[mv->ref[0]] != s->signbias[ref]);
+ 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->signbias[mv->ref[1]] != s->signbias[ref]);
+ 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, td);
#undef INVALID_MV
#undef RETURN_MV
#undef RETURN_SCALE_MV
}
-static av_always_inline int read_mv_component(VP9Context *s, int idx, int hp)
+static av_always_inline int read_mv_component(VP9TileData *td, int idx, int hp)
{
- int bit, sign = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].sign);
- int n, c = vp8_rac_get_tree(&s->c, ff_vp9_mv_class_tree,
+ VP9Context *s = td->s;
+ int bit, sign = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].sign);
+ int n, c = vp8_rac_get_tree(td->c, ff_vp9_mv_class_tree,
s->prob.p.mv_comp[idx].classes);
- s->counts.mv_comp[idx].sign[sign]++;
- s->counts.mv_comp[idx].classes[c]++;
+ td->counts.mv_comp[idx].sign[sign]++;
+ td->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]++;
+ bit = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].bits[m]);
+ n |= bit << m;
+ td->counts.mv_comp[idx].bits[m][bit]++;
}
n <<= 3;
- bit = vp8_rac_get_tree(&s->c, ff_vp9_mv_fp_tree,
+ bit = vp8_rac_get_tree(td->c, ff_vp9_mv_fp_tree,
s->prob.p.mv_comp[idx].fp);
n |= bit << 1;
- s->counts.mv_comp[idx].fp[bit]++;
+ td->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]++;
+ bit = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].hp);
+ td->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]++;
+ td->counts.mv_comp[idx].hp[1]++;
}
n += 8 << c;
} else {
- n = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].class0);
- s->counts.mv_comp[idx].class0[n]++;
- bit = vp8_rac_get_tree(&s->c, ff_vp9_mv_fp_tree,
+ n = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].class0);
+ td->counts.mv_comp[idx].class0[n]++;
+ bit = vp8_rac_get_tree(td->c, ff_vp9_mv_fp_tree,
s->prob.p.mv_comp[idx].class0_fp[n]);
- s->counts.mv_comp[idx].class0_fp[n][bit]++;
+ td->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]++;
+ bit = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].class0_hp);
+ td->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]++;
+ td->counts.mv_comp[idx].class0_hp[1]++;
}
}
return sign ? -(n + 1) : (n + 1);
}
-void ff_vp9_fill_mv(VP9Context *s, VP56mv *mv, int mode, int sb)
+void ff_vp9_fill_mv(VP9TileData *td, VP56mv *mv, int mode, int sb)
{
- VP9Block *b = s->b;
+ VP9Context *s = td->s;
+ VP9Block *b = td->b;
if (mode == ZEROMV) {
- memset(mv, 0, sizeof(*mv) * 2);
+ 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,
+ find_ref_mvs(td, &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->highprecisionmvs &&
+ !(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)
@@ -311,22 +319,22 @@ void ff_vp9_fill_mv(VP9Context *s, VP56mv *mv, int mode, int sb)
}
}
if (mode == NEWMV) {
- enum MVJoint j = vp8_rac_get_tree(&s->c, ff_vp9_mv_joint_tree,
+ enum MVJoint j = vp8_rac_get_tree(td->c, ff_vp9_mv_joint_tree,
s->prob.p.mv_joint);
- s->counts.mv_joint[j]++;
+ td->counts.mv_joint[j]++;
if (j >= MV_JOINT_V)
- mv[0].y += read_mv_component(s, 0, hp);
+ mv[0].y += read_mv_component(td, 0, hp);
if (j & 1)
- mv[0].x += read_mv_component(s, 1, hp);
+ mv[0].x += read_mv_component(td, 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,
+ find_ref_mvs(td, &mv[1], b->ref[1], 1, mode == NEARMV,
mode == NEWMV ? -1 : sb);
if ((mode == NEWMV || sb == -1) &&
- !(hp = s->highprecisionmvs &&
+ !(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)
@@ -342,14 +350,14 @@ void ff_vp9_fill_mv(VP9Context *s, VP56mv *mv, int mode, int sb)
}
}
if (mode == NEWMV) {
- enum MVJoint j = vp8_rac_get_tree(&s->c, ff_vp9_mv_joint_tree,
+ enum MVJoint j = vp8_rac_get_tree(td->c, ff_vp9_mv_joint_tree,
s->prob.p.mv_joint);
- s->counts.mv_joint[j]++;
+ td->counts.mv_joint[j]++;
if (j >= MV_JOINT_V)
- mv[1].y += read_mv_component(s, 0, hp);
+ mv[1].y += read_mv_component(td, 0, hp);
if (j & 1)
- mv[1].x += read_mv_component(s, 1, hp);
+ mv[1].x += read_mv_component(td, 1, hp);
}
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-14 19:51:10 +0000