From f8eddabe2962f7bbded3312d6a7f47825c9750c0 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Fri, 29 Jul 2016 12:50:58 +0300
Subject: [PATCH] dashdemux: If a fragment contains no sync samples, disable
 key-unit mode

https://bugzilla.gnome.org/show_bug.cgi?id=741104
---
 ext/dash/gstdashdemux.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/ext/dash/gstdashdemux.c b/ext/dash/gstdashdemux.c
index bee085a..547d0f2 100644
--- a/ext/dash/gstdashdemux.c
+++ b/ext/dash/gstdashdemux.c
@@ -2210,6 +2210,14 @@ gst_dash_demux_find_sync_samples (GstAdaptiveDemux * demux,
     }
   }
 
+  if (dash_stream->moof_sync_samples->len == 0) {
+    GST_LOG_OBJECT (stream->pad, "No sync samples found in fragment");
+    g_array_free (dash_stream->moof_sync_samples, TRUE);
+    dash_stream->moof_sync_samples = NULL;
+    dashdemux->allow_trickmode_key_units = FALSE;
+    return FALSE;
+  }
+
   return TRUE;
 }
 
-- 
2.7.4