/*
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* Copyright (c) 2010-2019 Belledonne Communications SARL.
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*
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* This file is part of mediastreamer2.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef msaudiomixer_h
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#define msaudiomixer_h
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#include <mediastreamer2/msfilter.h>
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typedef struct MSAudioMixerCtl{
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int pin;
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union param_t {
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float gain; /**<gain correction */
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int active; /**< to mute or unmute the input channel */
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int enabled; /**< to mute/unmute the output channel*/
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} param;
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} MSAudioMixerCtl;
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#define MS_AUDIO_MIXER_SET_INPUT_GAIN MS_FILTER_METHOD(MS_AUDIO_MIXER_ID,0,MSAudioMixerCtl)
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/** Tells whether channel contributes to the mix.*/
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#define MS_AUDIO_MIXER_SET_ACTIVE MS_FILTER_METHOD(MS_AUDIO_MIXER_ID,1,MSAudioMixerCtl)
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#define MS_AUDIO_MIXER_ENABLE_CONFERENCE_MODE MS_FILTER_METHOD(MS_AUDIO_MIXER_ID,2,int)
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/**The master channel is the one that is used to synchronize the others. No flow control is done on the master channel*/
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#define MS_AUDIO_MIXER_SET_MASTER_CHANNEL MS_FILTER_METHOD(MS_AUDIO_MIXER_ID,3,int)
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#define MS_AUDIO_MIXER_ENABLE_OUTPUT MS_FILTER_METHOD(MS_AUDIO_MIXER_ID,4,MSAudioMixerCtl)
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#endif
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