[FFmpeg-cvslog] avformat/mp3dec: avoid seeking to negative positions
Michael Niedermayer
git at videolan.org
Tue Nov 18 04:34:25 CET 2014
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Tue Nov 18 04:04:37 2014 +0100| [0b75b6c3cd2cb4775729bf019c25c4792a2729d4] | committer: Michael Niedermayer
avformat/mp3dec: avoid seeking to negative positions
Fixes Ticket4038
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0b75b6c3cd2cb4775729bf019c25c4792a2729d4
---
libavformat/mp3dec.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavformat/mp3dec.c b/libavformat/mp3dec.c
index 8208dbb..c4c1bb7 100644
--- a/libavformat/mp3dec.c
+++ b/libavformat/mp3dec.c
@@ -457,6 +457,10 @@ static int mp3_seek(AVFormatContext *s, int stream_index, int64_t timestamp,
int64_t pos = ie->pos + (dir > 0 ? i - 1024 : -i);
int64_t candidate = -1;
int score = 999;
+
+ if (pos < 0)
+ continue;
+
for(j=0; j<MIN_VALID; j++) {
ret = check(s, pos);
if(ret < 0)
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