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https://github.com/LMMS/lmms.git
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148 lines
3.4 KiB
C++
148 lines
3.4 KiB
C++
/*
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* Engine.cpp - implementation of LMMS' engine-system
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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 - http://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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#include "Engine.h"
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#include "BBTrackContainer.h"
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#include "ConfigManager.h"
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#include "FxMixer.h"
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#include "InstrumentTrack.h"
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#include "Ladspa2LMMS.h"
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#include "Mixer.h"
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#include "Pattern.h"
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#include "PresetPreviewPlayHandle.h"
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#include "ProjectJournal.h"
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#include "ProjectNotes.h"
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#include "Plugin.h"
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#include "Song.h"
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#include "BandLimitedWave.h"
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#include "GuiApplication.h"
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float Engine::s_framesPerTick;
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Mixer* Engine::s_mixer = NULL;
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FxMixer * Engine::s_fxMixer = NULL;
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BBTrackContainer * Engine::s_bbTrackContainer = NULL;
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Song * Engine::s_song = NULL;
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ProjectJournal * Engine::s_projectJournal = NULL;
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Ladspa2LMMS * Engine::s_ladspaManager = NULL;
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DummyTrackContainer * Engine::s_dummyTC = NULL;
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QMap<QString, QString> Engine::s_pluginFileHandling;
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void Engine::init()
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{
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// generate (load from file) bandlimited wavetables
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BandLimitedWave::generateWaves();
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initPluginFileHandling();
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s_projectJournal = new ProjectJournal;
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s_mixer = new Mixer;
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s_song = new Song;
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s_fxMixer = new FxMixer;
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s_bbTrackContainer = new BBTrackContainer;
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s_ladspaManager = new Ladspa2LMMS;
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s_projectJournal->setJournalling( true );
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s_mixer->initDevices();
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PresetPreviewPlayHandle::init();
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s_dummyTC = new DummyTrackContainer;
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s_mixer->startProcessing();
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}
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void Engine::destroy()
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{
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s_projectJournal->stopAllJournalling();
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s_mixer->stopProcessing();
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PresetPreviewPlayHandle::cleanup();
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s_song->clearProject();
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deleteHelper( &s_bbTrackContainer );
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deleteHelper( &s_dummyTC );
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deleteHelper( &s_mixer );
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deleteHelper( &s_fxMixer );
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deleteHelper( &s_ladspaManager );
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//delete ConfigManager::inst();
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deleteHelper( &s_projectJournal );
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deleteHelper( &s_song );
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delete ConfigManager::inst();
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}
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bool Engine::hasGUI()
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{
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return gui != nullptr;
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}
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void Engine::updateFramesPerTick()
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{
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s_framesPerTick = s_mixer->processingSampleRate() * 60.0f * 4 /
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DefaultTicksPerTact / s_song->getTempo();
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}
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void Engine::initPluginFileHandling()
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{
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Plugin::DescriptorList pluginDescriptors;
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Plugin::getDescriptorsOfAvailPlugins( pluginDescriptors );
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for( Plugin::DescriptorList::ConstIterator it = pluginDescriptors.begin();
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it != pluginDescriptors.end(); ++it )
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{
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if( it->type == Plugin::Instrument )
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{
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const QStringList & ext =
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QString( it->supportedFileTypes ).
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split( QChar( ',' ) );
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for( QStringList::const_iterator itExt = ext.begin();
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itExt != ext.end(); ++itExt )
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{
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s_pluginFileHandling[*itExt] = it->name;
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}
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}
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}
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}
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