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Re: [Linphone-developers] order of filter attachment for call conferenci

From: Simon Morlat
Subject: Re: [Linphone-developers] order of filter attachment for call conferencing
Date: Thu, 03 Jun 2010 11:59:09 +0200


The order of connections has no importance provided that final graph is
correct when it is attached to the MSTicker.
When the graph is to be modified, it must be first detached from
MSTicker, then modified and re-attached.
The MSConf does conferencing for pcm 16 bit linear under the same
sample-rate. It is up to the programmer to place the necessary decoders
and resamplers to ensure every stream arrives with the correct format to
the MSConf.


Le mercredi 02 juin 2010 à 15:28 +0530, Parveen Jain a écrit :
> Hi All,
>    I wanted to add call-conference support in my audio application
> which is using mediastreamer2 library.For this I found that I can use
> file MSConf.c and create one more filter for this.
>   But I could not guess what should be the order of attaching this
> filter(as  I can see from the audiostream.c code that ordering of
> filters are important ) ?Can any one give any idea ?Just
> to reiterate that I am using "audiostream.c" for creating/tearing the
> call session(two simple calls of audio_stream_new() and
> audio_stream_start_full() for a single audio call).
> Also , what are the all codecs for which this conferencing support is
> there in mediastremer2.
> Regards,
> Parveen Jain
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