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avcodec/vp56: Reset have_undamaged_frame on resolution changes

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Fixes: timeout in 758/clusterfuzz-testcase-4720832028868608

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6e913f2129)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-03-09 17:55:32 +01:00
parent b27bcc32c7
commit f8769b1a70
1 changed files with 2 additions and 0 deletions
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2
libavcodec/vp56.c
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@ -507,6 +507,8 @@ static int vp56_size_changed(VP56Context *s)
s->plane_height[0] = s->plane_height[3] = avctx->coded_height;
s->plane_height[1] = s->plane_height[2] = avctx->coded_height/2;
s->have_undamaged_frame = 0;
for (i=0; i<4; i++)
s->stride[i] = s->flip * s->frames[VP56_FRAME_CURRENT]->linesize[i];