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avcodec/ffv1dec: Fail earlier if prior context is corrupted 

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4df91e2215)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-10-06 22:04:48 +02:00
parent c3981b30a8
commit 5b23daa99f
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1 changed files with 4 additions and 1 deletions
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libavcodec/ffv1dec.c
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@ -301,8 +301,11 @@ static int decode_slice(AVCodecContext *c, void *arg)
}
if ((ret = ff_ffv1_init_slice_state(f, fs)) < 0)
return ret;
if (f->cur->key_frame || fs->slice_reset_contexts)
if (f->cur->key_frame || fs->slice_reset_contexts) {
ff_ffv1_clear_slice_state(f, fs);
} else if (fs->slice_damaged) {
return AVERROR_INVALIDDATA;
}
width = fs->slice_width;
height = fs->slice_height;