Re: [Linphone-developers] Using MSConf - conference

[Raust Tamatea]

Raust Tamatea a écrit :
> Hello,
> I'm using mediastreamer2 to receive / send RTP data.
> I would like to use the filter MSConf for multiple audio stream. By 
> following instruction, a simple communication between a phone and PC 
> is working. Now I've created a conference but when I don't have any 
> more sound. I've done something like this :
>
> ms_filter_link (stream->rtprecv, 0, stream->decoder, 0);
> ms_filter_link (stream->decoder, 0, stream->dtmfgen, 0);
> ms_filter_link (stream->dtmfgen, 0, room, 0);
> ms_filter_link (room, 0, stream->soundwrite, 0);
>
> ms_ticker_attach (m_ticker, pRtp->m_rtprecv);
>
> with
>
> MSFilter * room = ms_filter_new (MS_CONF_ID);
>
> With this I can't hear any sound. If I don't use room and directly go 
> to soundwrite, it's okay.
> Could you help me ? I can't find any example with audio conferencing.
>
> Regards.
>
> _______________________________________________
> Linphone-developers mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/linphone-developers
Thanks for your answers.

There is something I don't understand with msconf and ms_ticker_attach.
I create a conference like this :
ms_filter_link (rtprecv, 0, decoder, 0); ms_filter_link (decoder, 0, 
dtmfgen, 0); ms_filter_link (dtmfgen, 0, m_room,  1);
ms_filter_link (m_room, 1, encoder, 0); ms_filter_link (encoder, 0, 
rtpsend, 0);

Then I link rtprecv with the ticker :
ms_ticker_attach (m_ticker, rtprecv);

Next I want to link my soundcard :
ms_filter_link (soundread, 0, m_room, 0);
ms_filter_link (m_room, 0, soundwrite, 0);

And when I call " ms_ticker_attach (m_ticker, soundread); " then my 
problem is that my execution_list contain 3 filters. First attach there 
is only rtprecv. Second attach, there is rtprecv, soundread and again 
rtprecv.
Is it normal ? Do I have to detach each filter before adding a new one 
so it will add all the filters ?
If I don't do this, then mediastreamer crash because if I detach the 
first recv the second one is still present but I've already destroyed it 
in my code.

Any idea ? Perhaps I'm doing something wrong.

Regards.