/*
|
mediastreamer2 library - modular sound and video processing and streaming
|
Copyright (C) 2010 Simon MORLAT (simon.morlat@linphone.org)
|
|
This program is free software; you can redistribute it and/or
|
modify it under the terms of the GNU General Public License
|
as published by the Free Software Foundation; either version 2
|
of the License, or (at your option) any later version.
|
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
*/
|
#ifndef msaudiomixer_h
|
#define msaudiomixer_h
|
|
#include <mediastreamer2/msfilter.h>
|
|
typedef struct MSAudioMixerCtl{
|
int pin;
|
union param_t {
|
float gain; /**<gain correction */
|
int active; /**< to mute or unmute the input channel */
|
int enabled; /**< to mute/unmute the output channel*/
|
} param;
|
} MSAudioMixerCtl;
|
|
#define MS_AUDIO_MIXER_SET_INPUT_GAIN MS_FILTER_METHOD(MS_AUDIO_MIXER_ID,0,MSAudioMixerCtl)
|
/** Tells whether channel contributes to the mix.*/
|
#define MS_AUDIO_MIXER_SET_ACTIVE MS_FILTER_METHOD(MS_AUDIO_MIXER_ID,1,MSAudioMixerCtl)
|
#define MS_AUDIO_MIXER_ENABLE_CONFERENCE_MODE MS_FILTER_METHOD(MS_AUDIO_MIXER_ID,2,int)
|
|
/**The master channel is the one that is used to synchronize the others. No flow control is done on the master channel*/
|
#define MS_AUDIO_MIXER_SET_MASTER_CHANNEL MS_FILTER_METHOD(MS_AUDIO_MIXER_ID,3,int)
|
|
#define MS_AUDIO_MIXER_ENABLE_OUTPUT MS_FILTER_METHOD(MS_AUDIO_MIXER_ID,4,MSAudioMixerCtl)
|
#endif
|
