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101 lines
2.1 KiB
C++
101 lines
2.1 KiB
C++
/*
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* FxMixer.h - effect-mixer for LMMS
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*
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* Copyright (c) 2008-2009 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 _FX_MIXER_H
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#define _FX_MIXER_H
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#include "Model.h"
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#include "Mixer.h"
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#include "EffectChain.h"
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#include "JournallingObject.h"
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const int NumFxChannels = 64;
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struct FxChannel
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{
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FxChannel( Model * _parent );
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~FxChannel();
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EffectChain m_fxChain;
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bool m_used;
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bool m_stillRunning;
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float m_peakLeft;
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float m_peakRight;
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sampleFrame * m_buffer;
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BoolModel m_muteModel;
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FloatModel m_volumeModel;
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QString m_name;
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QMutex m_lock;
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} ;
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class FxMixer : public JournallingObject, public Model
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{
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public:
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FxMixer();
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virtual ~FxMixer();
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void mixToChannel( const sampleFrame * _buf, fx_ch_t _ch );
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void processChannel( fx_ch_t _ch, sampleFrame * _buf = NULL );
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void prepareMasterMix();
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void masterMix( sampleFrame * _buf );
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void clear();
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virtual void saveSettings( QDomDocument & _doc, QDomElement & _parent );
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virtual void loadSettings( const QDomElement & _this );
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virtual QString nodeName() const
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{
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return "fxmixer";
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}
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FxChannel * effectChannel( int _ch )
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{
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if( _ch >= 0 && _ch <= NumFxChannels )
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{
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return m_fxChannels[_ch];
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}
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return NULL;
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}
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private:
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FxChannel * m_fxChannels[NumFxChannels+1]; // +1 = master
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friend class MixerWorkerThread;
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friend class FxMixerView;
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} ;
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#endif
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