[FFmpeg-devel] [RFC] SDP Generation

Luca Barbato lu_zero
Mon Jun 11 10:35:35 CEST 2007

Luca Abeni wrote:
> Hi Michael,
> Michael Niedermayer wrote:
> [...]
>>> Well, the problem is that every single media stream can have a different 
>>> destination address. If the "filename" field in AVFormatContext is used 
>>> for indicating the destination address, then I need an AVFormatContext 
>>> per media stream.
>> in what cases are different destination addresses needed/wanted?
> The classical example is video streamed to a multicast group, and audio 
> streamed to a different multicast group. If an application wants to 
> receive both audio and video, it joins both the two groups; if an 
> application wants to receive audio only, it only joins the audio group. 
> In this way, if multicast is routed in a smart way it is possible to 
> reduce the network traffic.

Makes sense.



Luca Barbato

Gentoo/linux Gentoo/PPC

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