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https://github.com/LMMS/lmms.git
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7227c89847
This PR places all LMMS symbols into namespaces to eliminate any potential future name collisions between LMMS and third-party modules.
Also, this PR changes back `LmmsCore` to `Engine`, reverting c519921306 .
Co-authored-by: allejok96 <allejok96@gmail.com>
174 lines
3.9 KiB
C++
174 lines
3.9 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 - 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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#include "Engine.h"
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#include "AudioEngine.h"
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#include "ConfigManager.h"
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#include "Mixer.h"
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#include "Ladspa2LMMS.h"
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#include "Lv2Manager.h"
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#include "PatternStore.h"
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#include "Plugin.h"
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#include "PresetPreviewPlayHandle.h"
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#include "ProjectJournal.h"
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#include "Song.h"
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#include "BandLimitedWave.h"
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#include "Oscillator.h"
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namespace lmms
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{
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float Engine::s_framesPerTick;
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AudioEngine* Engine::s_audioEngine = nullptr;
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Mixer * Engine::s_mixer = nullptr;
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PatternStore * Engine::s_patternStore = nullptr;
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Song * Engine::s_song = nullptr;
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ProjectJournal * Engine::s_projectJournal = nullptr;
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#ifdef LMMS_HAVE_LV2
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Lv2Manager * Engine::s_lv2Manager = nullptr;
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#endif
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Ladspa2LMMS * Engine::s_ladspaManager = nullptr;
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void* Engine::s_dndPluginKey = nullptr;
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void Engine::init( bool renderOnly )
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{
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Engine *engine = inst();
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emit engine->initProgress(tr("Generating wavetables"));
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// generate (load from file) bandlimited wavetables
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BandLimitedWave::generateWaves();
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//initilize oscillators
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Oscillator::waveTableInit();
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emit engine->initProgress(tr("Initializing data structures"));
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s_projectJournal = new ProjectJournal;
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s_audioEngine = new AudioEngine( renderOnly );
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s_song = new Song;
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s_mixer = new Mixer;
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s_patternStore = new PatternStore;
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#ifdef LMMS_HAVE_LV2
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s_lv2Manager = new Lv2Manager;
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s_lv2Manager->initPlugins();
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#endif
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s_ladspaManager = new Ladspa2LMMS;
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s_projectJournal->setJournalling( true );
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emit engine->initProgress(tr("Opening audio and midi devices"));
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s_audioEngine->initDevices();
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PresetPreviewPlayHandle::init();
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emit engine->initProgress(tr("Launching audio engine threads"));
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s_audioEngine->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_audioEngine->stopProcessing();
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PresetPreviewPlayHandle::cleanup();
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s_song->clearProject();
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deleteHelper( &s_patternStore );
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deleteHelper( &s_mixer );
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deleteHelper( &s_audioEngine );
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#ifdef LMMS_HAVE_LV2
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deleteHelper( &s_lv2Manager );
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#endif
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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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// The oscillator FFT plans remain throughout the application lifecycle
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// due to being expensive to create, and being used whenever a userwave form is changed
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Oscillator::destroyFFTPlans();
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}
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bool Engine::ignorePluginBlacklist()
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{
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const char* envVar = getenv("LMMS_IGNORE_BLACKLIST");
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return (envVar && *envVar);
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}
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float Engine::framesPerTick(sample_rate_t sampleRate)
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{
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return sampleRate * 60.0f * 4 /
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DefaultTicksPerBar / s_song->getTempo();
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}
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void Engine::updateFramesPerTick()
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{
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s_framesPerTick = s_audioEngine->processingSampleRate() * 60.0f * 4 / DefaultTicksPerBar / s_song->getTempo();
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}
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void Engine::setDndPluginKey(void *newKey)
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{
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Q_ASSERT(static_cast<Plugin::Descriptor::SubPluginFeatures::Key*>(newKey));
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s_dndPluginKey = newKey;
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}
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void *Engine::pickDndPluginKey()
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{
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return s_dndPluginKey;
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}
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Engine * Engine::s_instanceOfMe = nullptr;
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} // namespace lmms
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