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shorten: Break out of loop looking for fmt chunk if none is found 

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2013-09-11 22:19:28 +03:00
parent 49568851bf
commit b26742cc30
1 changed files with 4 additions and 0 deletions
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4
libavcodec/shorten.c
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@ -221,6 +221,10 @@ static int decode_wave_header(AVCodecContext *avctx, const uint8_t *header,
while (bytestream2_get_le32(&gb) != MKTAG('f', 'm', 't', ' ')) {
len = bytestream2_get_le32(&gb);
bytestream2_skip(&gb, len);
if (bytestream2_get_bytes_left(&gb) < 16) {
av_log(avctx, AV_LOG_ERROR, "no fmt chunk found\n");
return AVERROR_INVALIDDATA;
}
}
len = bytestream2_get_le32(&gb);