[FFmpeg-devel] [RFC] SDP Generation
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.
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