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vp9: ignore reference segmentation map if error_resilience flag is set. 

Fixes ffvp9_fails_where_libvpx.succeeds.webm from ticket 3849.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Ronald S. Bultje 2014-08-12 18:11:05 -04:00 committed by Michael Niedermayer
parent 8fcd9386ec
commit 14e3025518
1 changed files with 14 additions and 10 deletions
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24
libavcodec/vp9.c
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@ -278,7 +278,7 @@ static int vp9_alloc_frame(AVCodecContext *ctx, VP9Frame *f)
// retain segmentation map if it doesn't update
if (s->segmentation.enabled && !s->segmentation.update_map &&
!s->intraonly && !s->keyframe) {
!s->intraonly && !s->keyframe && !s->errorres) {
memcpy(f->segmentation_map, s->frames[LAST_FRAME].segmentation_map, sz);
}
@ -1344,16 +1344,20 @@ static void decode_mode(AVCodecContext *ctx)
vp56_rac_get_prob_branchy(&s->c,
s->prob.segpred[s->above_segpred_ctx[col] +
s->left_segpred_ctx[row7]]))) {
int pred = 8, x;
uint8_t *refsegmap = s->frames[LAST_FRAME].segmentation_map;
if (!s->errorres) {
int pred = 8, x;
uint8_t *refsegmap = s->frames[LAST_FRAME].segmentation_map;
if (!s->last_uses_2pass)
ff_thread_await_progress(&s->frames[LAST_FRAME].tf, row >> 3, 0);
for (y = 0; y < h4; y++)
for (x = 0; x < w4; x++)
pred = FFMIN(pred, refsegmap[(y + row) * 8 * s->sb_cols + x + col]);
av_assert1(pred < 8);
b->seg_id = pred;
if (!s->last_uses_2pass)
ff_thread_await_progress(&s->frames[LAST_FRAME].tf, row >> 3, 0);
for (y = 0; y < h4; y++)
for (x = 0; x < w4; x++)
pred = FFMIN(pred, refsegmap[(y + row) * 8 * s->sb_cols + x + col]);
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);