[vorbis] RTP/RTCP payload?

Monty xiphmont at xiph.org
Wed Feb 14 14:10:25 PST 2001



> sorry to break too lately, but how is the RTP payload
> submission is going?
> could we see the new payload at March IETF?
> 
> I agree that it would be fairy straightforward to
> make an RTP payload for ogg vorbis, assuming raw
> packets, AFAIK. using physical bitstream is, in
> this case, not adequate by the reasons in RFC-1889.

Yes, the Ogg framing is wholly unnecessary with RTP broadcast.

> but I don't think that's enough. rather than
> sending comments in the same RTP packet, we'd
> better send it in RTCP packet. to do that
> we should define an RTCP APP name field for needed
> situations, or an RTCP extension.

There's actually more to it than this, really.  I'd prefer not to
document/submit for standardization without a reasonably well tested
application actually using the proposed submission.

> (or, could we piggyback on RFC-2793 and rather
> define an XML format?...)

Oh, you mean metadata streaming and multiplexed media types, not the
three vorbis headers.  There's *much* more to this than just metadata,
and opening that can of worms won't be complete by submission
deadline.

> of course, when the tarkin goes beta, we would need
> to define its own payload, AND the payload for multiplexed
> physical stream, which could be compared to RFC-2343.

Yes.  True metadata is the same issue.  It's not a second-class media
type.

Monty

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