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authorLuca Barbato <lu_zero@gentoo.org>2014-10-04 12:40:35 +0200
committerLuca Barbato <lu_zero@gentoo.org>2014-10-04 23:46:46 +0200
commit68211c70afcfd4d675029cc85fba7dee8de53bdf (patch)
treef2f8e7e3ab377bcd8a7a29443cb1e331cf1090c1
parent36f3aec3630f27df64f4ff2b52a1c9ced760eb52 (diff)
downloadffmpeg-68211c70afcfd4d675029cc85fba7dee8de53bdf.tar.gz
vc1: Do not assume seek happens after decoding
If a seek is requested before the decoding start there is no current picture. CC: libav-stable@libav.org
-rw-r--r--libavcodec/vc1dec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 41beaebce5..7eb85490e4 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -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
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 (i = 0; i < v->sprite_height>>!!plane; i++)
memset(f->data[plane] + i * f->linesize[plane],