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avcodec/ffv1dec: More completely check micro_version

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-04 13:33:16 +02:00
parent 3dfbdb328e
commit 03baa861ea
1 changed files with 2 additions and 0 deletions
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2
libavcodec/ffv1dec.c
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@ -528,6 +528,8 @@ static int read_extra_header(FFV1Context *f)
if (f->version > 2) {
c->bytestream_end -= 4;
f->micro_version = get_symbol(c, state, 0);
if (f->micro_version < 0)
return AVERROR_INVALIDDATA;
}
f->ac = f->avctx->coder_type = get_symbol(c, state, 0);
if (f->ac > 1) {