Hi all libav / ffmpeg gurus....
I have been trying to get this working and crawling the forums but I
just can't find the solution.
What I want, is to capture my windows desktop using dshow, encode it
using x264 into a multicast stream, then announce that stream using SAP
so that others on the network can identify and decode that stream easily.
I have everything working rather nicely, EXCEPT for the SAP announcement.
Here is what I'm using:
ffmpeg -y -f dshow -framerate 24 -i
video="screen-capture-recorder":audio="virtual-audio-capturer" -r 10
-vcodec libx264 -preset ultrafast -crf 18 -async 1 -acodec libmp3lame
-ab 24k -ar 22050 -bsf:v h264_mp4toannexb -bufsize 8000k -f mpegts
udp://224.100.0.1:5001
I've investigated using the sap muxer (-f sap
sap://224.100.0.1:5001?same_port=1) but that doesn't seem to format a
usable mpegts stream and it has limited options.
If someone knows how I might generate the SDP information and attach it
as a sap announcement for this stream, it would be much appreciated!
PS I've posted this on ffmpeg forum also but no responses...
Thanks :D
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