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20589f19e4
Until now, Mixer not only was responsible for rendering audio buffers but also managed writing them to audio backend (through a FIFO) and handled various quality related parameters. All this functionality has been moved into the new AudioOutputContext class. It glues together AudioBackend (formerly called AudioDevice), global quality settings and the Mixer. The AudioOutputContext class creates a FifoWriter which calls Mixer::renderNextBuffer() and writes the output into the BufferFifo of the AudioOutputContext it belongs to. The BufferFifo is read by the according AudioBackend which belongs to the AudioOutputContext as well. The AudioOutputContext also handles resampling in case the AudioBackend wants the buffers in a different samplerate. During this rewrite the Mixer class and the according source files have been renamed from "mixer" to "Mixer". This results in small changes all over LMMS' code base.
124 lines
2.7 KiB
C++
124 lines
2.7 KiB
C++
/*
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* VstPlugin.h - declaration of VstPlugin class
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*
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* Copyright (c) 2005-2009 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 _VST_PLUGIN_H
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#define _VST_PLUGIN_H
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#include <QtCore/QString>
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#include <QtCore/QMutex>
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#include <QtGui/QWidget>
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#include "JournallingObject.h"
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#include "communication.h"
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class PLUGIN_EXPORT VstPlugin : public QObject, public JournallingObject,
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public RemotePlugin
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{
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Q_OBJECT
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public:
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VstPlugin( const QString & _plugin );
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virtual ~VstPlugin();
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virtual bool processMessage( const message & _m );
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inline bool hasEditor() const
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{
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return m_pluginWindowID != 0;
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}
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void showEditor( QWidget * _parent = NULL );
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void hideEditor();
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inline const QString & name() const
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{
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return m_name;
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}
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inline Sint32 version() const
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{
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return m_version;
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}
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inline const QString & vendorString() const
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{
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return m_vendorString;
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}
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inline const QString & productString() const
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{
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return m_productString;
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}
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const QMap<QString, QString> & parameterDump();
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void setParameterDump( const QMap<QString, QString> & _pdump );
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inline QWidget * pluginWidget( bool _top_widget = true )
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{
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if( _top_widget && m_pluginWidget )
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{
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if( m_pluginWidget->parentWidget() )
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{
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return m_pluginWidget->parentWidget();
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}
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}
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return m_pluginWidget;
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}
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virtual void loadSettings( const QDomElement & _this );
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virtual void saveSettings( QDomDocument & _doc, QDomElement & _this );
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inline virtual QString nodeName() const
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{
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return "vstplugin";
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}
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public slots:
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void setTempo( bpm_t _bpm );
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void updateSampleRate();
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private:
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void loadChunk( const QByteArray & _chunk );
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QByteArray saveChunk();
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QString m_plugin;
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QWidget * m_pluginWidget;
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int m_pluginWindowID;
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QSize m_pluginGeometry;
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QString m_name;
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Sint32 m_version;
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QString m_vendorString;
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QString m_productString;
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QMap<QString, QString> m_parameterDump;
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} ;
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#endif
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