[FFmpeg-devel] [PATCH] Use the SDP generator in ffmpeg and ffserver

[Luca Abeni]

Hi all,

here are two patches for using the SDP generator in ffserver and ffmpeg.

The first patch removes the code for SDP generation from ffserver (using 
avf_sdp_create() to generate the SDP), and should not introduce any 
functional change in ffserver.

The second patch modifies ffmpeg to print an SDP to stdout when all the 
outputs are on RTP. It can be tested by using something like
ffmpeg -re -i test.avi -vcodec copy -an -f rtp 
rtp://224.10.10.10:10000?multicast=1  -vn -acodec copy -f rtp 
rtp://224.10.10.10:20000?multicast=1 -newaudio

The streams can be received by using the SDP printed to stdout (tested 
with vlc, and works without problems).

Is the behaviour of ffmpeg_use_sdp_generator.diff ok? (would it be 
better to introduce a new command line option for generating an SDP? 
Would it be useful to generate an SDP even if the output is not RTP? 
...) I implemented the behaviour that is more useful to me, but if 
anyone has suggestions I'll happily modify the patch.


			Thanks,
				Luca
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