[FFmpeg-devel] Adding an SDP generator to libavformat

Michael Niedermayer michaelni
Fri Jun 1 02:12:19 CEST 2007


On Fri, Jun 01, 2007 at 02:07:43AM +0200, Luca Abeni wrote:
> Hi Luca,
> On Thu, 2007-05-31 at 15:40 +0200, Luca Barbato wrote:
> > Luca Abeni wrote:
> > > generation function which accepts an AVFormatContext as an input would 
> > > not flexible enough...
> > 
> > From my experience those standards are overflexible and you live quite
> > well by restricting it to your working situation.
> > 
> > beside multicast I find quite difficult finding a situation in which
> > ffmpeg generates an sdp for something that isn't produced on the same
> > host and you can easily parse/adapt the sdp on the front-end if you have
> >  a distributed setup.
> Well, I was thinking more about the possibility to stream the video on a
> multicast group, and the audio on a different multicast group...
> When writing support for generating SDPs, I think that supporting this
> possibility can be useful (and I do not see how to do it using an
> AVFormatContext to describe the SDP).

i know nearly nothing about rt*p ... but what about using 2 
AVFormatContexts in that case?


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Let us carefully observe those good qualities wherein our enemies excel us
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is excellent in them. -- Plutarch
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