libhb: handle TS streams that have broken DTS timestamps

If the DTS is > PTS, ignore it because this can't happen in a properly
constructed TS stream.


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4586 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 7 insertions, 0 deletions

diff --git a/libhb/stream.c b/libhb/stream.c
index 3f5680ef2..2c7c4f9a5 100644
--- a/libhb/stream.c
+++ b/libhb/stream.c
@@ -2922,6 +2922,13 @@ static int parse_pes_header(
                 pes_info->dts = pes_info->pts;
             }
         }
+        // A user encountered a stream that has garbage DTS timestamps.
+        // DTS should never be > PTS.  Such broken timestamps leads to
+        // HandBrake computing negative buffer start times.
+        if (pes_info->dts > pes_info->pts)
+        {
+            pes_info->dts = pes_info->pts;
+        }
 
         if ( has_escr )
             bits_skip(&bb_hdr, 8 * 6);