webrtcbin can act as a sink/source depending on the SDP later. Without
setting this here already, surrounding bins might not notice this and
the pipeline configuration might become inconsistent, e.g. with regards
to latency.
See https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/737
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/900>
static void
gst_webrtc_bin_init (GstWebRTCBin * webrtc)
{
static void
gst_webrtc_bin_init (GstWebRTCBin * webrtc)
{
+ /* Set SINK/SRC flags as webrtcbin can act as one depending on the
+ * SDP later. Without setting this here already, surrounding bins might not
+ * notice this and the pipeline configuration might become inconsistent,
+ * e.g. with regards to latency.
+ * See: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/737
+ */
+ gst_bin_set_suppressed_flags (GST_BIN_CAST (webrtc),
+ GST_ELEMENT_FLAG_SINK | GST_ELEMENT_FLAG_SOURCE);
+ GST_OBJECT_FLAG_SET (webrtc, GST_ELEMENT_FLAG_SINK | GST_ELEMENT_FLAG_SOURCE);
+
webrtc->priv = gst_webrtc_bin_get_instance_private (webrtc);
g_mutex_init (PC_GET_LOCK (webrtc));
g_cond_init (PC_GET_COND (webrtc));
webrtc->priv = gst_webrtc_bin_get_instance_private (webrtc);
g_mutex_init (PC_GET_LOCK (webrtc));
g_cond_init (PC_GET_COND (webrtc));