[Bug 739868] rtpmanager: rtpjitterbuffer fixes and improvements

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Tue Apr 21 13:38:42 PDT 2015


https://bugzilla.gnome.org/show_bug.cgi?id=739868

--- Comment #45 from Miguel París Díaz <mparisdiaz at gmail.com> ---
One of this client is Firefox (WebRtc). It uses the same SSRC for original-RTP
and rtx-RTP. An SDP example:

v=0
o=mozilla...THIS_IS_SDPARTA-37.0.1 772883292565269152 0 IN IP4 0.0.0.0
s=-
t=0 0
a=fingerprint:sha-256
98:EE:73:69:EC:81:FB:57:FF:19:03:20:5E:1E:4F:5E:CE:A3:6D:80:84:40:ED:E2:A4:47:78:AF:4E:27:56:0F
a=group:BUNDLE sdparta_0 sdparta_1
a=ice-options:trickle
m=audio 9 RTP/SAVPF 109 9 0 8
c=IN IP4 0.0.0.0
a=sendrecv
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=ice-pwd:383e0361d8982a7f5f8d461a58c4ac2c
a=ice-ufrag:1d20324c
a=mid:sdparta_0
a=rtcp-mux
a=rtpmap:109 opus/48000/2
a=rtpmap:9 G722/8000/1
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=setup:actpass
a=ssrc:1032149603 cname:{17f63fe4-1f23-4bce-b38f-f41d487ebaeb}
m=video 9 RTP/SAVPF 120 126 97
c=IN IP4 0.0.0.0
a=sendrecv
a=fmtp:120 max-fs=12288;max-fr=60
a=fmtp:126
profile-level-id=42e01f;level-asymmetry-allowed=1;packetization-mode=1
a=fmtp:97 profile-level-id=42e01f;level-asymmetry-allowed=1
a=ice-pwd:383e0361d8982a7f5f8d461a58c4ac2c
a=ice-ufrag:1d20324c
a=mid:sdparta_1
a=rtcp-fb:120 nack
a=rtcp-fb:120 nack pli
a=rtcp-fb:120 ccm fir
a=rtcp-fb:126 nack
a=rtcp-fb:126 nack pli
a=rtcp-fb:126 ccm fir
a=rtcp-fb:97 nack
a=rtcp-fb:97 nack pli
a=rtcp-fb:97 ccm fir
a=rtcp-mux
a=rtpmap:120 VP8/90000
a=rtpmap:126 H264/90000
a=rtpmap:97 H264/90000
a=setup:actpass
a=ssrc:3142525711 cname:{17f63fe4-1f23-4bce-b38f-f41d487ebaeb}

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