From c229a87ac3e6bfb767004924b884f63625e4f368 Mon Sep 17 00:00:00 2001
From: Edward Hervey <edward@collabora.com>
Date: Sun, 29 Dec 2013 16:00:01 +0100
Subject: [PATCH] mpegtspacketizer: Fix ts_to_offset beyond last observed PCR

The requested TS might be beyond the last observed PCR. In order to calculate
a coherent offset, we need to use the last and previous-to-last groups.

https://bugzilla.gnome.org/show_bug.cgi?id=721035
---
 gst/mpegtsdemux/mpegtspacketizer.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gst/mpegtsdemux/mpegtspacketizer.c b/gst/mpegtsdemux/mpegtspacketizer.c
index ec7810f3ff..c258bb9f9c 100644
--- a/gst/mpegtsdemux/mpegtspacketizer.c
+++ b/gst/mpegtsdemux/mpegtspacketizer.c
@@ -2235,6 +2235,11 @@ mpegts_packetizer_ts_to_offset (MpegTSPacketizer2 * packetizer,
       break;
     }
 
+    if (tmp->next == NULL) {
+      GST_DEBUG ("pcr is beyond last group");
+      break;
+    }
+
     prevgroup = nextgroup;
 
     /* Maybe it's in this group */