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vc1dec: Make sure last_picture is initialized in vc1_decode_skip_blocks

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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 5e25fdbfe0)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Conflicts:
	libavcodec/vc1dec.c
This commit is contained in:
Martin Storsjö
2013-09-20 11:32:25 +03:00
committed by Luca Barbato
parent 99fe4c577f
commit 494f2d4f9e
1 changed files with 3 additions and 0 deletions
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3
libavcodec/vc1dec.c
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@@ -4742,6 +4742,9 @@ static void vc1_decode_skip_blocks(VC1Context *v)
{
MpegEncContext *s = &v->s;
if (!v->s.last_picture.f.data[0])
return;
ff_er_add_slice(s, 0, s->start_mb_y, s->mb_width - 1, s->end_mb_y - 1, ER_MB_END);
s->first_slice_line = 1;
for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {