From 68211c70afcfd4d675029cc85fba7dee8de53bdf Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Sat, 4 Oct 2014 12:40:35 +0200 Subject: [PATCH] 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 --- libavcodec/vc1dec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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],