mirror of
https://github.com/LMMS/lmms.git
synced 2026-01-25 14:58:07 -05:00
fc1b985fe8
* audio-port: small optimizations * mixer: removed obsolete idle-property of worker-threads * FX-mixer: protect individual buffers of FX-channels from being processed by more than one thread git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@979 0778d3d1-df1d-0410-868b-ea421aaaa00d
144 lines
2.7 KiB
C++
144 lines
2.7 KiB
C++
/*
|
|
* audio_port.h - base-class for objects providing sound at a port
|
|
*
|
|
* Copyright (c) 2005-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
|
|
*
|
|
* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
|
|
*
|
|
* 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 "effect_chain.h"
|
|
|
|
|
|
class audioPort
|
|
{
|
|
public:
|
|
audioPort( const QString & _name, track * _track );
|
|
~audioPort();
|
|
|
|
inline sampleFrame * firstBuffer( void )
|
|
{
|
|
return( m_firstBuffer );
|
|
}
|
|
|
|
inline sampleFrame * secondBuffer( void )
|
|
{
|
|
return( m_secondBuffer );
|
|
}
|
|
|
|
inline void lockFirstBuffer( void )
|
|
{
|
|
m_firstBufferLock.lock();
|
|
}
|
|
|
|
inline void lockSecondBuffer( void )
|
|
{
|
|
m_secondBufferLock.lock();
|
|
}
|
|
|
|
inline void unlockFirstBuffer( void )
|
|
{
|
|
m_firstBufferLock.unlock();
|
|
}
|
|
|
|
inline void unlockSecondBuffer( void )
|
|
{
|
|
m_secondBufferLock.unlock();
|
|
}
|
|
|
|
void nextPeriod( void );
|
|
|
|
|
|
// indicate whether JACK & Co should provide output-buffer at ext. port
|
|
inline bool extOutputEnabled( void ) const
|
|
{
|
|
return( m_extOutputEnabled );
|
|
}
|
|
|
|
void setExtOutputEnabled( bool _enabled );
|
|
|
|
|
|
// next effect-channel after this audio-port
|
|
// (-1 = none 0 = master)
|
|
inline fx_ch_t nextFxChannel( void ) const
|
|
{
|
|
return( m_nextFxChannel );
|
|
}
|
|
|
|
inline effectChain * getEffects( void )
|
|
{
|
|
return( &m_effects );
|
|
}
|
|
|
|
void setNextFxChannel( const fx_ch_t _chnl )
|
|
{
|
|
m_nextFxChannel = _chnl;
|
|
}
|
|
|
|
|
|
const QString & name( void ) const
|
|
{
|
|
return( m_name );
|
|
}
|
|
|
|
void setName( const QString & _new_name );
|
|
|
|
|
|
bool processEffects( void );
|
|
|
|
|
|
enum bufferUsages
|
|
{
|
|
NoUsage,
|
|
FirstBuffer,
|
|
BothBuffers
|
|
} ;
|
|
|
|
|
|
private:
|
|
volatile bufferUsages m_bufferUsage;
|
|
|
|
sampleFrame * m_firstBuffer;
|
|
sampleFrame * m_secondBuffer;
|
|
QMutex m_firstBufferLock;
|
|
QMutex m_secondBufferLock;
|
|
|
|
bool m_extOutputEnabled;
|
|
fx_ch_t m_nextFxChannel;
|
|
|
|
QString m_name;
|
|
|
|
effectChain m_effects;
|
|
|
|
|
|
friend class mixer;
|
|
friend class mixerWorkerThread;
|
|
|
|
} ;
|
|
|
|
|
|
#endif
|