[farsight2/master] rtpconference: Don't assert on non-existing sdes parts

[Olivier Crête]

---
 gst/fsrtpconference/fs-rtp-conference.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/gst/fsrtpconference/fs-rtp-conference.c b/gst/fsrtpconference/fs-rtp-conference.c
index ffb81fb..744c607 100644
--- a/gst/fsrtpconference/fs-rtp-conference.c
+++ b/gst/fsrtpconference/fs-rtp-conference.c
@@ -344,8 +344,11 @@ rtpbin_get_sdes (FsRtpConference *self, const gchar *prop, GValue *val)
           "sdes"))
   {
     GstStructure *s;
+    const GValue *sval;
     g_object_get (self->gstrtpbin, "sdes", &s, NULL);
-    g_value_copy (gst_structure_get_value (s, prop), val);
+    sval = gst_structure_get_value (s, prop);
+    if (sval)
+      g_value_copy (gst_structure_get_value (s, prop), val);
     gst_structure_free (s);
   }
   else
-- 
1.5.6.5