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avcodec/mpeg4video_parser: Check for extradata parsing failure

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Found-by: CSA
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-07-31 05:20:42 +02:00
parent dc315cdb4e
commit 37ec7d291e
1 changed files with 2 additions and 0 deletions
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2
libavcodec/mpeg4video_parser.c
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@ -88,6 +88,8 @@ static int mpeg4_decode_header(AVCodecParserContext *s1, AVCodecContext *avctx,
if (avctx->extradata_size && pc->first_picture) {
init_get_bits(gb, avctx->extradata, avctx->extradata_size * 8);
ret = ff_mpeg4_decode_picture_header(dec_ctx, gb);
if (ret < 0)
av_log(avctx, AV_LOG_WARNING, "Failed to parse extradata\n");
}
init_get_bits(gb, buf, 8 * buf_size);