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Code Issues Releases Activity

vc1: Do not assume seek happens after decoding

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If a seek is requested before the decoding start there is no
current picture.

CC: libav-stable@libav.org
This commit is contained in:
Luca Barbato
2014-10-04 12:40:35 +02:00
parent 36f3aec363
commit 68211c70af
1 changed files with 1 additions and 1 deletions
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2
libavcodec/vc1dec.c
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@ -5503,7 +5503,7 @@ static void vc1_sprite_flush(AVCodecContext *avctx)
Since we can't enforce it, clear to black the missing sprite. This is Since we can't enforce it, clear to black the missing sprite. This is
wrong but it looks better than doing nothing. */ wrong but it looks better than doing nothing. */
if (f->data[0]) if (f && f->data[0])
for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++) for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++)
for (i = 0; i < v->sprite_height>>!!plane; i++) for (i = 0; i < v->sprite_height>>!!plane; i++)
memset(f->data[plane] + i * f->linesize[plane], memset(f->data[plane] + i * f->linesize[plane],