[FFmpeg-cvslog] lavf/avformat_seek_file: fix harmless integer overflow

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Tue Sep 11 02:51:09 2012 +0200| [8470e6c96fe510178d9d02d4617ee1481e4c4fea] | committer: Michael Niedermayer

lavf/avformat_seek_file: fix harmless integer overflow

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8470e6c96fe510178d9d02d4617ee1481e4c4fea
---

 libavformat/utils.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 948fdcf..bd22eec 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2020,7 +2020,7 @@ int avformat_seek_file(AVFormatContext *s, int stream_index, int64_t min_ts, int
     //Fallback to old API if new is not implemented but old is
     //Note the old has somewhat different semantics
     if (s->iformat->read_seek || 1) {
-        int dir = (ts - min_ts > (uint64_t)(max_ts - ts) ? AVSEEK_FLAG_BACKWARD : 0);
+        int dir = (ts - (uint64_t)min_ts > (uint64_t)max_ts - ts ? AVSEEK_FLAG_BACKWARD : 0);
         int ret = av_seek_frame(s, stream_index, ts, flags | dir);
         if (ret<0 && ts != min_ts && max_ts != ts) {
             ret = av_seek_frame(s, stream_index, dir ? max_ts : min_ts, flags | dir);