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webrtcbin: Always set SINK/SRC flags

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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>
This commit is contained in:
Sebastian Dröge 2021-09-23 19:30:32 +03:00
parent b4cf146ed0
commit 6d9ca9c679
1 changed files with 10 additions and 0 deletions
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10
subprojects/gst-plugins-bad/ext/webrtc/gstwebrtcbin.c
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@ -7498,6 +7498,16 @@ _transport_free (GObject * object)
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));