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