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avcodec/ffv1dec: Clear slice coordinates if they are invalid or slice header decoding fails for other reasons

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Fixes Ticket4931

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4c2d4e8700)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-10-16 20:15:48 +02:00
parent 630ef09766
commit 46c7b1169f
1 changed files with 1 additions and 0 deletions
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libavcodec/ffv1dec.c
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@ -409,6 +409,7 @@ static int decode_slice(AVCodecContext *c, void *arg)
if (ffv1_init_slice_state(f, fs) < 0)
return AVERROR(ENOMEM);
if (decode_slice_header(f, fs) < 0) {
fs->slice_x = fs->slice_y = fs->slice_height = fs->slice_width = 0;
fs->slice_damaged = 1;
return AVERROR_INVALIDDATA;
}