** (sailfish-browser:2600): CRITICAL **: gst_app_sink_set_callbacks: assertion 'GST_IS_APP_SINK (appsink)' failed

(sailfish-browser:2600): GStreamer-CRITICAL **: gst_element_get_static_pad: assertion 'GST_IS_ELEMENT (element)' failed

(sailfish-browser:2600): GStreamer-CRITICAL **: gst_pad_add_event_probe_full: assertion 'GST_IS_PAD (pad)' failed

(sailfish-browser:2600): GStreamer-CRITICAL **: gst_pad_set_bufferalloc_function: assertion 'GST_IS_PAD (pad)' failed

Program received signal SIGSEGV, Segmentation fault.
[Switching to LWP 2611]
0x5f577528 in gst_pad_set_element_private () from /usr/lib/libgstreamer-0.10.so.0
(gdb) bt
#0  0x5f577528 in gst_pad_set_element_private () from /usr/lib/libgstreamer-0.10.so.0
#1  0x472dda80 in ?? () from /usr/lib/xulrunner-qt5-31.2.0/libxul.so
#2  0x472dda80 in ?? () from /usr/lib/xulrunner-qt5-31.2.0/libxul.so
Backtrace stopped: previous frame identical to this frame (corrupt stack?)