Re: [MMUSIC] MSID and mslabel
Bernard Aboba <bernard_aboba@hotmail.com> Tue, 23 October 2012 19:00 UTC
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From: Bernard Aboba <bernard_aboba@hotmail.com>
To: "Miguel A. Garcia" <miguel.a.garcia@ericsson.com>
Date: Tue, 23 Oct 2012 12:00:40 -0700
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Cc: "mmusic@ietf.org" <mmusic@ietf.org>
Subject: Re: [MMUSIC] MSID and mslabel
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Miguel Garcia said: > > Bernard, > > I cannot identify the "mslabel" attribute. Do you know where it is specified? > > Perhaps you refer to the "label" attribute (RFC 4574). > > /Miguel [BA] As Harald noted (see http://www.ietf.org/mail-archive/web/mmusic/current/msg09712.html), "mslabel" is used within a=ssrc lines, presumably for a similar purpose that "msid" is proposed for. An example: SDP from createOffer(), Chrome Version 24.0.1297.0 dev v=0 o=- 1321413050 2 IN IP4 127.0.0.1 s=- t=0 0 a=group:BUNDLE audio video m=audio 1 RTP/SAVPF 103 104 0 8 106 105 13 126 c=IN IP4 0.0.0.0 a=rtcp:1 IN IP4 0.0.0.0 a=ice-ufrag:9wMh/Gc6fgJBzvzQ a=ice-pwd:4I4SozPeoRtm9C58OF8M/deY a=ice-options:google-ice a=sendrecv a=mid:audio a=rtcp-mux a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:JyWcGXs7j0U5aWAj8RlUdSwWkBRtmbvg3njMO1FB a=rtpmap:103 ISAC/16000 a=rtpmap:104 ISAC/32000 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:106 CN/32000 a=rtpmap:105 CN/16000 a=rtpmap:13 CN/8000 a=rtpmap:126 telephone-event/8000 a=ssrc:1635880669 cname:ZXVf3drwG3fT+Wh5 a=ssrc:1635880669 mslabel:cLFXFpfLOP31s7D1A9on2I2rAvhTKqGSZEWr a=ssrc:1635880669 label:cLFXFpfLOP31s7D1A9on2I2rAvhTKqGSZEWr00 m=video 1 RTP/SAVPF 100 101 102 c=IN IP4 0.0.0.0 a=rtcp:1 IN IP4 0.0.0.0 a=ice-ufrag:9wMh/Gc6fgJBzvzQ a=ice-pwd:4I4SozPeoRtm9C58OF8M/deY a=ice-options:google-ice a=sendrecv a=mid:video a=rtcp-mux a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:JyWcGXs7j0U5aWAj8RlUdSwWkBRtmbvg3njMO1FB a=rtpmap:100 VP8/90000 a=rtpmap:101 red/90000 a=rtpmap:102 ulpfec/90000 a=ssrc:1563041388 cname:ZXVf3drwG3fT+Wh5 a=ssrc:1563041388 mslabel:cLFXFpfLOP31s7D1A9on2I2rAvhTKqGSZEWr a=ssrc:1563041388 label:cLFXFpfLOP31s7D1A9on2I2rAvhTKqGSZEWr10
- Re: [MMUSIC] MSID and mslabel Bernard Aboba
- Re: [MMUSIC] MSID and mslabel Harald Alvestrand
- Re: [MMUSIC] MSID and mslabel Miguel A. Garcia
- Re: [MMUSIC] MSID and mslabel Bernard Aboba
- Re: [MMUSIC] MSID and mslabel Harald Alvestrand
- Re: [MMUSIC] MSID and mslabel Martin Thomson