From f46185c289baf8bf98e8970fb0cbb5f6f56c7837 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 8 May 2012 03:45:17 +0200
Subject: [PATCH] mp3demux: fix off by 1 error
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavformat/mp3dec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/mp3dec.c b/libavformat/mp3dec.c
index edfee164b4c..8d92aec96ef 100644
--- a/libavformat/mp3dec.c
+++ b/libavformat/mp3dec.c
@@ -183,7 +183,7 @@ static int mp3_read_packet(AVFormatContext *s, AVPacket *pkt)
return AVERROR_EOF;
}
- if (ret > ID3v1_TAG_SIZE &&
+ if (ret >= ID3v1_TAG_SIZE &&
memcmp(&pkt->data[ret - ID3v1_TAG_SIZE], "TAG", 3) == 0)
ret -= ID3v1_TAG_SIZE;
--
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