[pjsip] Using pjsua to create a mp3 stream

Benny Prijono bennylp at pjsip.org
Tue Feb 19 05:24:27 EST 2008


On 2/19/08, jvdsandt <jvdsandt at gmail.com> wrote:
> Hello,
>
> I'm trying to make the conversation of a conference call accessible as a Mp3
> stream, similar to an Internet radio station.
>
> For this I tried to use pjsua with the options "--null-audio
> --rec-file=out.wav --auto-rec" and define out.wav as a named pipe. I can
> than use another program to convert the output to mp3 and make it available
> as a stream. Unfortunately pjsua doesn't work when out.wav is a named pipe
> instead of a normal file.
>
> Is there another way I can achieve the same result? Or do I need the help of
> a C programmer to create this customazation on top the pjsip libraries?
>

There is an MP3 encoder media port for Windows in third_party\mp3
directory, contributed by Toni Rutar long time ago. With a little
coding you can add this port to the conference bridge and encode any
input(s) from conference bridge to an MP3 file.

cheers,
 -benny

> Cheers,
> Jan.
>
>
>
>
>
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