MT#63317 amend WebRTC flag with BUNDLE option

Change-Id: I01eaa8a9e23a72e98be70091706ef367285ae08d

etc/rtpengine.conf

@@ -202,7 +202,7 @@ destination = opus
 
 # signalling templates (see key `templates` above)
 [templates]
-WebRTC = transport-protocol=UDP/TLS/RTP/SAVPF ICE=force trickle-ICE rtcp-mux=[offer require] no-rtcp-attribute SDES=off generate-mid
+WebRTC = transport-protocol=UDP/TLS/RTP/SAVPF ICE=force trickle-ICE rtcp-mux=[offer require] no-rtcp-attribute SDES=off generate-mid bundle=[require]
 
 # one single default interface
 [interface-default]

include/call_interfaces.h

@@ -400,6 +400,8 @@ INLINE void ng_flags_webrtc(sdp_ng_flags *f) {
 	f->no_rtcp_attr = 1;
 	f->sdes_off = 1;
 	f->generate_mid = 1;
+	f->bundle_offer = 1;
+	f->bundle_require = 1;
 }
 
 

t/auto-daemon-tests.pl

@@ -26205,11 +26205,14 @@ v=0
 o=- 1545997027 1 IN IP4 198.51.100.1
 s=tester
 t=0 0
+a=group:BUNDLE 1
 m=audio PORT UDP/TLS/RTP/SAVPF 0 8
 c=IN IP4 203.0.113.1
 a=mid:1
 a=rtpmap:0 PCMU/8000
 a=rtpmap:8 PCMA/8000
+a=extmap-allow-mixed
+a=extmap:1 urn:ietf:params:rtp-hdrext:sdes:mid
 a=sendrecv
 a=rtcp-mux
 a=setup:actpass