adaptivedemux: return error if src element cannot start

https://bugzilla.gnome.org/show_bug.cgi?id=756209

diff --git a/gst-libs/gst/adaptivedemux/gstadaptivedemux.c b/gst-libs/gst/adaptivedemux/gstadaptivedemux.c
index 5ce31be..8f46355 100644 (file)
--- a/gst-libs/gst/adaptivedemux/gstadaptivedemux.c
+++ b/gst-libs/gst/adaptivedemux/gstadaptivedemux.c
@@ -2261,7 +2261,12 @@ gst_adaptive_demux_stream_download_uri (GstAdaptiveDemux * demux,
 
       GST_MANIFEST_UNLOCK (demux);
 
-      gst_element_sync_state_with_parent (stream->src);
+      if (!gst_element_sync_state_with_parent (stream->src)) {
+        GST_WARNING_OBJECT (demux, "Could not sync state for src element");
+        GST_MANIFEST_LOCK (demux);
+        ret = stream->last_ret = GST_FLOW_ERROR;
+        return ret;
+      }
 
       /* wait for the fragment to be completely downloaded */
       GST_DEBUG_OBJECT (stream->pad,