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mp3demux: fix off by 1 error

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-08 03:45:17 +02:00
parent 3183c38aaa
commit f46185c289
1 changed files with 1 additions and 1 deletions
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2
libavformat/mp3dec.c
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@ -183,7 +183,7 @@ static int mp3_read_packet(AVFormatContext *s, AVPacket *pkt)
return AVERROR_EOF; return AVERROR_EOF;
} }
if (ret > ID3v1_TAG_SIZE && if (ret >= ID3v1_TAG_SIZE &&
memcmp(&pkt->data[ret - ID3v1_TAG_SIZE], "TAG", 3) == 0) memcmp(&pkt->data[ret - ID3v1_TAG_SIZE], "TAG", 3) == 0)
ret -= ID3v1_TAG_SIZE; ret -= ID3v1_TAG_SIZE;