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avformat/mov: reset extradata size when extradata gets deallocated due to realloc failure

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This prevents the fields from becoming inconsistent

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-09-22 15:58:13 +02:00
parent 2aa8e33d7d
commit a5cbf1991c
1 changed files with 3 additions and 1 deletions
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4
libavformat/mov.c
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@ -993,8 +993,10 @@ static int mov_read_extradata(MOVContext *c, AVIOContext *pb, MOVAtom atom,
size= (uint64_t)st->codec->extradata_size + atom.size + 8 + FF_INPUT_BUFFER_PADDING_SIZE;
if (size > INT_MAX || (uint64_t)atom.size > INT_MAX)
return AVERROR_INVALIDDATA;
if ((err = av_reallocp(&st->codec->extradata, size)) < 0)
if ((err = av_reallocp(&st->codec->extradata, size)) < 0) {
st->codec->extradata_size = 0;
return err;
}
buf = st->codec->extradata + st->codec->extradata_size;
st->codec->extradata_size= size - FF_INPUT_BUFFER_PADDING_SIZE;
AV_WB32( buf , atom.size + 8);