On Tue, Jan 27, 2009 at 2:27 AM, David Clark <vdc1048 at tx.rr.com> wrote: > Ok I see how to do most of it. As your posted suggestion for inband dtmf > detection points out, looking at mp3_writer.c wav_writer.c I can > see the audio is in a 16 bit array that is written out in either case. My > question is the basic one. > If you have port->buf[0] for example is that the frequency of the audio at > that point. In short how do I relate audio sample data to frequency? > > FFT? Btw I thought you knew about this stuff and just looking for a place to hook it to. If you don't know about this then that makes it two of us. I also notice wav_writer.cpp and mp3_writer.c have put_frame functions that > include a callback call if the function pointer if set. Is there any > reason not to do this also in conference.c? Yea the put_frame in > conference.c does not have such a feature. > > Not sure I understand this. The put_frame/get_frame callbacks are part of pjmedia_port framework and all media ports including the conference bridge have these. cheers Benny > Thanks, > David Clark > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090127/a0ae86b0/attachment.html>
