tsdemux: Always issue a DTS even when it's equal to PTS

Currently tsdemux timestamps only the PTS, and only issues the DTS if
it's different. In that case, parsers tend to estimate the next DTS
based on the previous DTS and the duration, which can accumulate
rounding errors.

diff --git a/gst/mpegtsdemux/tsdemux.c b/gst/mpegtsdemux/tsdemux.c
index 9f696f0c3980158fe673d372fbb2b2f2ed2ac077..c28516ef71f08c592a1f084a89652812bd653b93 100644 (file)
--- a/gst/mpegtsdemux/tsdemux.c
+++ b/gst/mpegtsdemux/tsdemux.c
@@ -3040,7 +3040,8 @@ gst_ts_demux_push_pending_data (GstTSDemux * demux, TSDemuxStream * stream,
     buffer = gst_buffer_list_get (buffer_list, 0);
 
   if (GST_CLOCK_TIME_IS_VALID (stream->pts))
-    GST_BUFFER_PTS (buffer) = stream->pts;
+    GST_BUFFER_PTS (buffer) = GST_BUFFER_DTS (buffer) = stream->pts;
+  /* DTS = PTS by default, we override it if there's a real DTS */
   if (GST_CLOCK_TIME_IS_VALID (stream->dts))
     GST_BUFFER_DTS (buffer) = stream->dts;