[FFmpeg-cvslog] vp9: ignore reference segmentation map if error_resilience flag is set.
Ronald S. Bultje
git at videolan.org
Wed Aug 13 21:00:07 CEST 2014
ffmpeg | branch: master | Ronald S. Bultje <rsbultje at gmail.com> | Tue Aug 12 18:11:05 2014 -0400| [14e3025518124f99cb0f5885feb603a9f217d25d] | committer: Michael Niedermayer
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 at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=14e3025518124f99cb0f5885feb603a9f217d25d
---
libavcodec/vp9.c | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c
index 96da823..8f22685 100644
--- a/libavcodec/vp9.c
+++ b/libavcodec/vp9.c
@@ -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->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->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;
+ } else {
+ b->seg_id = 0;
+ }
memset(&s->above_segpred_ctx[col], 1, w4);
memset(&s->left_segpred_ctx[row7], 1, h4);
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