mirror of
https://github.com/LMMS/lmms.git
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a1b355828e
* Move m_key member of Effect into Plugin * Pass key to Instrument ctors and instantiaters * Add pluginKeys to all plugin selector widgets, and let them pass the keys when instantiating the instruments; or, if the keys must be passed over threads, pass the keys to the Engine using `Engine::setDndPluginKey()` * As instrument plugin libraries now also need to get their key passed, their second argument, which was always the same as the first, is now used to pass the sub plugin keys. This affects *all* instrument plugins. * Plugin.h: Add more virtuals to `SubPluginFeatures` in order to draw logos and images into instrument selector widgets * LadspaSubPluginFeatures: Implement the `displayName` virtual because the new behaviour to resolve displayNames is to first look at the SubPluginFeatures, which, without override, returns the superior plugin's name (Plugin.cpp) Additional: * PluginFactory.h: Allow setting up search paths without discovering plugins yet * Plugin.h: Add full documentation (should be checked)
154 lines
3.3 KiB
C++
154 lines
3.3 KiB
C++
/*
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* Engine.h - engine-system of LMMS
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*
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* Copyright (c) 2006-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - https://lmms.io
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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 ENGINE_H
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#define ENGINE_H
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#include <QtCore/QString>
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#include <QtCore/QObject>
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#include "lmms_export.h"
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class BBTrackContainer;
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class DummyTrackContainer;
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class FxMixer;
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class ProjectJournal;
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class Mixer;
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class Song;
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class Ladspa2LMMS;
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// Note: This class is called 'LmmsCore' instead of 'Engine' because of naming
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// conflicts caused by ZynAddSubFX. See https://github.com/LMMS/lmms/issues/2269
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// and https://github.com/LMMS/lmms/pull/2118 for more details.
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//
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// The workaround was to rename Lmms' Engine so that it has a different symbol
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// name in the object files, but typedef it back to 'Engine' and keep it inside
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// of Engine.h so that the rest of the codebase can be oblivious to this issue
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// (and it could be fixed without changing every single file).
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class LmmsCore;
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typedef LmmsCore Engine;
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class LMMS_EXPORT LmmsCore : public QObject
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{
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Q_OBJECT
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public:
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static void init( bool renderOnly );
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static void destroy();
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// core
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static Mixer *mixer()
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{
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return s_mixer;
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}
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static FxMixer * fxMixer()
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{
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return s_fxMixer;
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}
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static Song * getSong()
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{
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return s_song;
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}
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static BBTrackContainer * getBBTrackContainer()
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{
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return s_bbTrackContainer;
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}
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static ProjectJournal * projectJournal()
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{
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return s_projectJournal;
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}
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static Ladspa2LMMS * getLADSPAManager()
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{
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return s_ladspaManager;
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}
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static DummyTrackContainer * dummyTrackContainer()
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{
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return s_dummyTC;
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}
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static float framesPerTick()
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{
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return s_framesPerTick;
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}
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static void updateFramesPerTick();
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static inline LmmsCore * inst()
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{
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if( s_instanceOfMe == NULL )
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{
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s_instanceOfMe = new LmmsCore();
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}
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return s_instanceOfMe;
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}
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static void setDndPluginKey(void* newKey);
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static void* pickDndPluginKey();
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signals:
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void initProgress(const QString &msg);
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private:
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// small helper function which sets the pointer to NULL before actually deleting
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// the object it refers to
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template<class T>
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static inline void deleteHelper( T * * ptr )
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{
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T * tmp = *ptr;
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*ptr = NULL;
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delete tmp;
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}
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static float s_framesPerTick;
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// core
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static Mixer *s_mixer;
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static FxMixer * s_fxMixer;
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static Song * s_song;
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static BBTrackContainer * s_bbTrackContainer;
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static ProjectJournal * s_projectJournal;
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static DummyTrackContainer * s_dummyTC;
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static Ladspa2LMMS * s_ladspaManager;
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static void* s_dndPluginKey;
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// even though most methods are static, an instance is needed for Qt slots/signals
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static LmmsCore * s_instanceOfMe;
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friend class GuiApplication;
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};
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#endif
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