[Freeswitch-users] How to get real-time rtp audio and video ports

[Michael Jerris]

I don't understand your question.  That is the port for the rtp stream.  What do you mean what is it?


On Jul 30, 2014, at 9:34 PM, takashi higashi <higashi at itsherpa.com> wrote:

> Hey guys,
> I sent e-mail to freeswitch developer about how to get rtp packet with ffmpeg. and I asked to him below question.
> How can I get rtp packet with ffmpeg? I want to trancoding real time rtp packet to motion jpeg and transfer node.js.
> and then, he answered like this,
> The following works for me:
> ffmpeg -re -f lavfi -i aevalsrc="sin(400*2*PI*t)" -ar 8000 -f mulaw -f rtp rtp://127.0.0.1:6666
> ffmpeg -i pcmu.sdp -acodec copy /tmp/a.wav
> or 
> ffmpeg -i bingbing.mp4 -an -vcodec h264 -filter:v scale=1280:720 -f rtp rtp://127.0.0.1:6668
> looks like pcmu is not a valid codec for mp4, so I use aac
> ffmpeg -i pcmu-264.sdp -acodec libfaac -vcodec copy /tmp/a.mp4
> 
> So I asked about what is 6666 ports? How can I get rtp real-time audio and video ports?
> but I couldn't get answer...
> Somebody help me, how to get real-time rtp audio and video ports? please.