[0.11] gst-plugins-bad: mpegpsdemux: don' t scan for the last PTS if the first wasn't found

[Sebastian Dröge]

Module: gst-plugins-bad
Branch: 0.11
Commit: 0961e2f49464f2762228ce24af48a53616e52da0
URL:    http://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/?id=0961e2f49464f2762228ce24af48a53616e52da0

Author: Alessandro Decina <alessandro.d at gmail.com>
Date:   Wed Jan 18 11:28:26 2012 +0100

mpegpsdemux: don't scan for the last PTS if the first wasn't found

---

 gst/mpegdemux/gstmpegdemux.c |   17 ++++++++++-------
 1 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/gst/mpegdemux/gstmpegdemux.c b/gst/mpegdemux/gstmpegdemux.c
index d1f58d0..ec9b613 100644
--- a/gst/mpegdemux/gstmpegdemux.c
+++ b/gst/mpegdemux/gstmpegdemux.c
@@ -2543,13 +2543,16 @@ gst_flups_sink_get_duration (GstFluPSDemux * demux)
       " in packet starting at %" G_GUINT64_FORMAT,
       demux->first_pts, GST_TIME_ARGS (MPEGTIME_TO_GSTTIME (demux->first_pts)),
       offset);
-  /* scan for last PTS in the stream */
-  offset = demux->sink_segment.stop;
-  gst_flups_demux_scan_backward_ts (demux, &offset, SCAN_PTS, &demux->last_pts);
-  GST_DEBUG_OBJECT (demux, "Last PTS: %" G_GINT64_FORMAT " %" GST_TIME_FORMAT
-      " in packet starting at %" G_GUINT64_FORMAT,
-      demux->last_pts, GST_TIME_ARGS (MPEGTIME_TO_GSTTIME (demux->last_pts)),
-      offset);
+  if (demux->first_pts != G_MAXUINT64) {
+    /* scan for last PTS in the stream */
+    offset = demux->sink_segment.stop;
+    gst_flups_demux_scan_backward_ts (demux, &offset, SCAN_PTS,
+        &demux->last_pts);
+    GST_DEBUG_OBJECT (demux,
+        "Last PTS: %" G_GINT64_FORMAT " %" GST_TIME_FORMAT
+        " in packet starting at %" G_GUINT64_FORMAT, demux->last_pts,
+        GST_TIME_ARGS (MPEGTIME_TO_GSTTIME (demux->last_pts)), offset);
+  }
   /* Detect wrong SCR values */
   if (demux->first_scr > demux->last_scr) {
     GST_DEBUG_OBJECT (demux, "Wrong SCR values detected, searching for "