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https://github.com/LMMS/lmms.git
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138 lines
2.8 KiB
C++
138 lines
2.8 KiB
C++
/*
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* AudioPort.h - base-class for objects providing sound at a port
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*
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* Copyright (c) 2005-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - http://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (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 GNU
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* 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
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef AUDIO_PORT_H
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#define AUDIO_PORT_H
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#include <QtCore/QString>
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#include <QtCore/QMutex>
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#include <QtCore/QMutexLocker>
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#include "MemoryManager.h"
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#include "PlayHandle.h"
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class EffectChain;
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class FloatModel;
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class BoolModel;
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class AudioPort : public ThreadableJob
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{
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MM_OPERATORS
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public:
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AudioPort( const QString & _name, bool _has_effect_chain = true,
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FloatModel * volumeModel = NULL, FloatModel * panningModel = NULL,
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BoolModel * mutedModel = NULL );
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virtual ~AudioPort();
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inline sampleFrame * buffer()
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{
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return m_portBuffer;
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}
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inline void lockBuffer()
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{
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m_portBufferLock.lock();
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}
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inline void unlockBuffer()
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{
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m_portBufferLock.unlock();
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}
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// indicate whether JACK & Co should provide output-buffer at ext. port
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inline bool extOutputEnabled() const
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{
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return m_extOutputEnabled;
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}
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void setExtOutputEnabled( bool _enabled );
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// next effect-channel after this audio-port
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// (-1 = none 0 = master)
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inline fx_ch_t nextFxChannel() const
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{
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return m_nextFxChannel;
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}
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inline EffectChain * effects()
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{
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return m_effects;
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}
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void setNextFxChannel( const fx_ch_t _chnl )
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{
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m_nextFxChannel = _chnl;
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}
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const QString & name() const
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{
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return m_name;
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}
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void setName( const QString & _new_name );
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bool processEffects();
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// ThreadableJob stuff
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virtual void doProcessing();
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virtual bool requiresProcessing() const
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{
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return true;
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}
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void addPlayHandle( PlayHandle * handle );
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void removePlayHandle( PlayHandle * handle );
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private:
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volatile bool m_bufferUsage;
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sampleFrame * m_portBuffer;
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QMutex m_portBufferLock;
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bool m_extOutputEnabled;
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fx_ch_t m_nextFxChannel;
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QString m_name;
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EffectChain * m_effects;
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PlayHandleList m_playHandles;
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QMutex m_playHandleLock;
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FloatModel * m_volumeModel;
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FloatModel * m_panningModel;
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BoolModel * m_mutedModel;
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friend class Mixer;
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friend class MixerWorkerThread;
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} ;
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#endif
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