in read_mpeg_timestamp() cast int expression to uint64_t before shifting to avoid truncation of bits and to prevent propagation of bit 1 as sign bit in pts

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18381 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 1 insertions, 1 deletions

diff --git a/libmpdemux/demux_mpg.c b/libmpdemux/demux_mpg.c
index 33085e3544..1c5d430f4d 100644
--- a/libmpdemux/demux_mpg.c
+++ b/libmpdemux/demux_mpg.c
@@ -161,7 +161,7 @@ static unsigned long long read_mpeg_timestamp(stream_t *s,int c){
     ++mpeg_pts_error;
     return 0; // invalid pts
   }
-  pts=(((c>>1)&7)<<30)|((d>>1)<<15)|(e>>1);
+  pts=(((uint64_t)((c>>1)&7))<<30)|((d>>1)<<15)|(e>>1);
   mp_dbg(MSGT_DEMUX,MSGL_DBG3,"{%d}",pts);
   return pts;
 }