[FFmpeg-cvslog] nutdec: fix type of intermediate variable for ts calculation.

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Fri Sep 21 06:27:38 2012 +0200| [6ab1166c770fb279ba4ac8dba13d53c4842efd4f] | committer: Michael Niedermayer

nutdec: fix type of intermediate variable for ts calculation.

Prior to this it could theoretically become negative and read
out of array.

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6ab1166c770fb279ba4ac8dba13d53c4842efd4f
---

 libavformat/nutdec.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c
index 397e44f..becf7a4 100644
--- a/libavformat/nutdec.c
+++ b/libavformat/nutdec.c
@@ -527,7 +527,8 @@ static int decode_syncpoint(NUTContext *nut, int64_t *ts, int64_t *back_ptr)
 {
     AVFormatContext *s = nut->avf;
     AVIOContext *bc    = s->pb;
-    int64_t end, tmp;
+    int64_t end;
+    uint64_t tmp;
 
     nut->last_syncpoint_pos = avio_tell(bc) - 8;