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0e82b0facc
Conflicts: include/Mixer.h src/core/Mixer.cpp src/core/audio/AudioPort.cpp src/core/main.cpp
85 lines
1.7 KiB
C++
85 lines
1.7 KiB
C++
/*
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* ThreadableJob.h - declaration of class ThreadableJob
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*
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* Copyright (c) 2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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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 _THREADABLE_JOB_H
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#define _THREADABLE_JOB_H
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#include <QtCore/QAtomicInt>
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#include "Mixer.h"
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class ThreadableJob
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{
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public:
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enum ProcessingState
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{
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Unstarted,
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Queued,
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InProgress,
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Done
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};
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ThreadableJob() :
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m_state( ThreadableJob::Unstarted )
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{
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}
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inline ProcessingState state() const
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{
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return static_cast<ProcessingState>( (int) m_state );
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}
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inline void reset()
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{
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m_state = Unstarted;
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}
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inline void queue()
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{
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m_state = Queued;
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}
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void process( sampleFrame * _working_buffer )
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{
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if( m_state.testAndSetOrdered( Queued, InProgress ) )
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{
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doProcessing( _working_buffer );
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m_state = Done;
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}
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}
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virtual bool requiresProcessing() const = 0;
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protected:
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virtual void doProcessing( sampleFrame * _working_buffer ) = 0;
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QAtomicInt m_state;
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} ;
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#endif
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