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[Linphone-users] mediastreamer filters description / where to find the p


From: Albrecht Andrzejewski
Subject: [Linphone-users] mediastreamer filters description / where to find the payload string ?
Date: Wed, 31 Aug 2011 17:33:36 +0200

Hi everyone, 

I want to display the codec name used during a call.

I guess this information shoud be attached to the _AudioStream struct 
associated to the call.
This stream is composed by several filters. Some are self explaining, but 
others are confusing.

I expected the encoder and decoder filters to describe the payload used during 
the call but these are NULL when i examinate this struct attached to my call in 
callState LinphoneCallConnected.

So can you describe me briefly what should be in encoder / decoder during a 
call ? 

here is the list of all filters declared in the audioStream structure.

        MSFilter *soundread;
        MSFilter *soundwrite;
        MSFilter *encoder;
        MSFilter *decoder;
        MSFilter *rtprecv;
        MSFilter *rtpsend;
        MSFilter *dtmfgen;
        MSFilter *dtmfgen_rtp;
        MSFilter *ec;/*echo canceler*/
        MSFilter *volsend,*volrecv; /*MSVolumes*/
        MSFilter *read_resampler;
        MSFilter *write_resampler;
        MSFilter *equalizer;

Regards,

--------------------------
Albrecht Andrzejewski





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