webrtc/nice: support consent-freshness RFC7675

As is supported by libwebrtc already.  This allows ICE components to
transition to failed if consent to send from the peer is revoked or if
multiple consent packets are lost.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4575>

diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/webrtc/nice/nice.c b/subprojects/gst-plugins-bad/gst-libs/gst/webrtc/nice/nice.c
index f62eb91..a59f578 100644 (file)
--- a/subprojects/gst-plugins-bad/gst-libs/gst/webrtc/nice/nice.c
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/webrtc/nice/nice.c
@@ -1583,6 +1583,7 @@ gst_webrtc_nice_constructed (GObject * object)
 
   options |= NICE_AGENT_OPTION_ICE_TRICKLE;
   options |= NICE_AGENT_OPTION_REGULAR_NOMINATION;
+  options |= NICE_AGENT_OPTION_CONSENT_FRESHNESS;
 
   ice->priv->nice_agent = nice_agent_new_full (ice->priv->main_context,
       NICE_COMPATIBILITY_RFC5245, options);