From 7ae23d13c88e3650730e3be252706f21d4771bea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Thu, 10 Dec 2015 12:47:17 +0200
Subject: [PATCH] mxfdemux: Only pre-set position for exactly the same essence
 track

The edit rate is only supposed to be the same in a source package, but there
might be multiple source packages with the same essence container. As such
just comparing the body/index SID is not sufficient.
---
 gst/mxf/mxfdemux.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/gst/mxf/mxfdemux.c b/gst/mxf/mxfdemux.c
index 84cea6e140..0ca848d203 100644
--- a/gst/mxf/mxfdemux.c
+++ b/gst/mxf/mxfdemux.c
@@ -2762,8 +2762,7 @@ from_index:
       GstMXFDemuxEssenceTrack *t =
           &g_array_index (demux->essence_tracks, GstMXFDemuxEssenceTrack, i);
 
-      if (index_start_position != -1 && t->body_sid == etrack->body_sid
-          && t->index_sid == etrack->index_sid)
+      if (index_start_position != -1 && t == etrack)
         t->position = index_start_position;
       else
         t->position = (demux->offset == demux->run_in) ? 0 : -1;