Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June 19th)
Bernard Aboba <bernard_aboba@hotmail.com> Wed, 19 June 2013 19:53 UTC
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From: Bernard Aboba <bernard_aboba@hotmail.com>
To: Harald Alvestrand <harald@alvestrand.no>, Christer Holmberg <christer.holmberg@ericsson.com>
Date: Wed, 19 Jun 2013 12:53:38 -0700
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Cc: "mmusic_ietf.org" <mmusic@ietf.org>
Subject: Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June 19th)
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Christer said: Don't you mean the configuration of two codecs? For example, if I have 2 m= lines, with exactly the same H.264 configuration in each, could I use the same PT value in both m= lines? But, if I have different codec configurations in each m= line, I CANNOT use the same PT value for both? ...assuming, of course, that there is some other mechanism to find the right m= line, IF needed. If you have different codec configuration (the stuff like a=fmtp that is indexed by PT), I think you MUST use different PTs. [BA] This advice is consistent with examples from RFC 6190 and other documents. For example, RFC 6190 shows different PTs used for an offer including support for both H.264/AVC and H.264/SVC. However, we need to be a bit careful about how we phrase the requirement, exactly. I do not consider simulcast and layered streams to represent a "different codec configuration" which would require a different PT for each stream (or even a different SSRC).
- [MMUSIC] BUNDLE TEXT: De-mux procedures (June 19t… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Stach, Thomas
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Harald Alvestrand
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Harald Alvestrand
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Harald Alvestrand
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Bernard Aboba
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Bernard Aboba
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Harald Alvestrand
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Emil Ivov
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Paul Kyzivat
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Harald Alvestrand
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Paul Kyzivat
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Emil Ivov
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Paul Kyzivat
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Emil Ivov
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Harald Alvestrand
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Paul Kyzivat
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Bernard Aboba
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Colin Perkins
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Emil Ivov
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Emil Ivov
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Colin Perkins
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Christer Holmberg
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Paul Kyzivat
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Paul Kyzivat
- Re: [MMUSIC] BUNDLE TEXT: De-mux procedures (June… Bernard Aboba