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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
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InstrumentResourceManager Engine::Instruments; |
InstrumentResourceManager Engine::instruments; |
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std::map<AudioOutputDevice*,Engine*> Engine::engines; |
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Engine* Engine::AcquireEngine(LinuxSampler::gig::EngineChannel* pChannel, AudioOutputDevice* pDevice) { |
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Engine* pEngine; |
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if (engines.count(pDevice)) { |
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pEngine = engines[pDevice]; |
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} else { |
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pEngine = new Engine; |
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pEngine->Connect(pDevice); |
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} |
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pEngine->samplerChannels.push_back(pChannel); |
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return pEngine; |
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} |
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void Engine::FreeEngine(LinuxSampler::gig::EngineChannel* pChannel, AudioOutputDevice* pDevice) { |
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Engine* pEngine = engines[pDevice]; |
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pEngine->samplerChannels.remove(pChannel); |
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if (pEngine->samplerChannels.empty()) delete pEngine; |
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} |
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Engine::Engine() { |
Engine::Engine() { |
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pRIFF = NULL; |
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pGig = NULL; |
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pInstrument = NULL; |
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pAudioOutputDevice = NULL; |
pAudioOutputDevice = NULL; |
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pDiskThread = NULL; |
pDiskThread = NULL; |
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pEventGenerator = NULL; |
pEventGenerator = NULL; |
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pSysexBuffer = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0); |
pSysexBuffer = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0); |
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pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0); |
pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0); |
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pEventPool = new Pool<Event>(MAX_EVENTS_PER_FRAGMENT); |
pEventPool = new Pool<Event>(MAX_EVENTS_PER_FRAGMENT); |
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pVoicePool = new Pool<Voice>(MAX_AUDIO_VOICES); |
pVoicePool = new Pool<Voice>(MAX_AUDIO_VOICES); |
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pActiveKeys = new Pool<uint>(128); |
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pVoiceStealingQueue = new RTList<Event>(pEventPool); |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
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pEvents = new RTList<Event>(pEventPool); |
pEvents = new RTList<Event>(pEventPool); |
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pCCEvents = new RTList<Event>(pEventPool); |
pCCEvents = new RTList<Event>(pEventPool); |
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for (uint i = 0; i < Event::destination_count; i++) { |
for (uint i = 0; i < Event::destination_count; i++) { |
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pSynthesisEvents[i] = new RTList<Event>(pEventPool); |
pSynthesisEvents[i] = new RTList<Event>(pEventPool); |
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} |
} |
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for (uint i = 0; i < 128; i++) { |
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pMIDIKeyInfo[i].pActiveVoices = new RTList<Voice>(pVoicePool); |
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pMIDIKeyInfo[i].KeyPressed = false; |
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pMIDIKeyInfo[i].Active = false; |
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pMIDIKeyInfo[i].ReleaseTrigger = false; |
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pMIDIKeyInfo[i].pEvents = new RTList<Event>(pEventPool); |
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} |
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for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
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iterVoice->SetEngine(this); |
iterVoice->SetEngine(this); |
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} |
} |
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pBasicFilterParameters = NULL; |
pBasicFilterParameters = NULL; |
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pMainFilterParameters = NULL; |
pMainFilterParameters = NULL; |
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InstrumentIdx = -1; |
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InstrumentStat = -1; |
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AudioDeviceChannelLeft = -1; |
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AudioDeviceChannelRight = -1; |
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ResetInternal(); |
ResetInternal(); |
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} |
} |
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delete pDiskThread; |
delete pDiskThread; |
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dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
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} |
} |
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if (pInstrument) Instruments.HandBack(pInstrument, this); |
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if (pGig) delete pGig; |
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if (pRIFF) delete pRIFF; |
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for (uint i = 0; i < 128; i++) { |
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if (pMIDIKeyInfo[i].pActiveVoices) delete pMIDIKeyInfo[i].pActiveVoices; |
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if (pMIDIKeyInfo[i].pEvents) delete pMIDIKeyInfo[i].pEvents; |
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} |
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for (uint i = 0; i < Event::destination_count; i++) { |
for (uint i = 0; i < Event::destination_count; i++) { |
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if (pSynthesisEvents[i]) delete pSynthesisEvents[i]; |
if (pSynthesisEvents[i]) delete pSynthesisEvents[i]; |
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} |
} |
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if (pCCEvents) delete pCCEvents; |
if (pCCEvents) delete pCCEvents; |
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if (pEventQueue) delete pEventQueue; |
if (pEventQueue) delete pEventQueue; |
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if (pEventPool) delete pEventPool; |
if (pEventPool) delete pEventPool; |
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if (pVoicePool) { |
if (pVoicePool) { |
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pVoicePool->clear(); |
pVoicePool->clear(); |
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delete pVoicePool; |
delete pVoicePool; |
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} |
} |
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if (pActiveKeys) delete pActiveKeys; |
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if (pSysexBuffer) delete pSysexBuffer; |
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if (pEventGenerator) delete pEventGenerator; |
if (pEventGenerator) delete pEventGenerator; |
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if (pMainFilterParameters) delete[] pMainFilterParameters; |
if (pMainFilterParameters) delete[] pMainFilterParameters; |
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if (pBasicFilterParameters) delete[] pBasicFilterParameters; |
if (pBasicFilterParameters) delete[] pBasicFilterParameters; |
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if (pSynthesisParameters[0]) free(pSynthesisParameters[0]); |
if (pSynthesisParameters[0]) free(pSynthesisParameters[0]); |
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if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
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if (pSysexBuffer) delete pSysexBuffer; |
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} |
} |
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void Engine::Enable() { |
void Engine::Enable() { |
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*/ |
*/ |
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void Engine::Reset() { |
void Engine::Reset() { |
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DisableAndLock(); |
DisableAndLock(); |
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//if (pAudioOutputDevice->IsPlaying()) { // if already running |
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/* |
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// signal audio thread not to enter render part anymore |
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SuspensionRequested = true; |
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// sleep until wakened by audio thread |
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pthread_mutex_lock(&__render_state_mutex); |
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pthread_cond_wait(&__render_exit_condition, &__render_state_mutex); |
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pthread_mutex_unlock(&__render_state_mutex); |
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*/ |
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//} |
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//if (wasplaying) pAudioOutputDevice->Stop(); |
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ResetInternal(); |
ResetInternal(); |
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// signal audio thread to continue with rendering |
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//SuspensionRequested = false; |
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Enable(); |
Enable(); |
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} |
} |
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* control and status variables. This method is not thread safe! |
* control and status variables. This method is not thread safe! |
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*/ |
*/ |
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void Engine::ResetInternal() { |
void Engine::ResetInternal() { |
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Pitch = 0; |
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SustainPedal = false; |
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ActiveVoiceCount = 0; |
ActiveVoiceCount = 0; |
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ActiveVoiceCountMax = 0; |
ActiveVoiceCountMax = 0; |
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GlobalVolume = 1.0; |
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CurrentKeyDimension = 0; |
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// reset voice stealing parameters |
// reset voice stealing parameters |
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itLastStolenVoice = RTList<Voice>::Iterator(); |
itLastStolenVoice = RTList<Voice>::Iterator(); |
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// reset to normal chromatic scale (means equal temper) |
// reset to normal chromatic scale (means equal temper) |
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memset(&ScaleTuning[0], 0x00, 12); |
memset(&ScaleTuning[0], 0x00, 12); |
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// set all MIDI controller values to zero |
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memset(ControllerTable, 0x00, 128); |
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// reset key info |
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for (uint i = 0; i < 128; i++) { |
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pMIDIKeyInfo[i].pActiveVoices->clear(); |
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pMIDIKeyInfo[i].pEvents->clear(); |
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pMIDIKeyInfo[i].KeyPressed = false; |
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pMIDIKeyInfo[i].Active = false; |
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pMIDIKeyInfo[i].ReleaseTrigger = false; |
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pMIDIKeyInfo[i].itSelf = Pool<uint>::Iterator(); |
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} |
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// reset all key groups |
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map<uint,uint*>::iterator iter = ActiveKeyGroups.begin(); |
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for (; iter != ActiveKeyGroups.end(); iter++) iter->second = NULL; |
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// reset all voices |
// reset all voices |
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for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
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iterVoice->Reset(); |
iterVoice->Reset(); |
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} |
} |
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pVoicePool->clear(); |
pVoicePool->clear(); |
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// free all active keys |
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pActiveKeys->clear(); |
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// reset disk thread |
// reset disk thread |
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if (pDiskThread) pDiskThread->Reset(); |
if (pDiskThread) pDiskThread->Reset(); |
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pEventQueue->init(); |
pEventQueue->init(); |
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} |
} |
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/** |
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* More or less a workaround to set the instrument name, index and load |
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* status variable to zero percent immediately, that is without blocking |
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* the calling thread. It might be used in future for other preparations |
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* as well though. |
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* |
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* @param FileName - file name of the Gigasampler instrument file |
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* @param Instrument - index of the instrument in the .gig file |
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* @see LoadInstrument() |
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*/ |
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void Engine::PrepareLoadInstrument(const char* FileName, uint Instrument) { |
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InstrumentFile = FileName; |
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InstrumentIdx = Instrument; |
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InstrumentStat = 0; |
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} |
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/** |
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* Load an instrument from a .gig file. PrepareLoadInstrument() has to |
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* be called first to provide the information which instrument to load. |
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* This method will then actually start to load the instrument and block |
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* the calling thread until loading was completed. |
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* |
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* @returns detailed description of the method call result |
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* @see PrepareLoadInstrument() |
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*/ |
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void Engine::LoadInstrument() { |
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DisableAndLock(); |
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ResetInternal(); // reset engine |
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// free old instrument |
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if (pInstrument) { |
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// give old instrument back to instrument manager |
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Instruments.HandBack(pInstrument, this); |
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} |
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// delete all key groups |
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ActiveKeyGroups.clear(); |
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// request gig instrument from instrument manager |
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try { |
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instrument_id_t instrid; |
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instrid.FileName = InstrumentFile; |
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instrid.iInstrument = InstrumentIdx; |
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pInstrument = Instruments.Borrow(instrid, this); |
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if (!pInstrument) { |
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InstrumentStat = -1; |
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dmsg(1,("no instrument loaded!!!\n")); |
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exit(EXIT_FAILURE); |
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} |
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} |
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catch (RIFF::Exception e) { |
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InstrumentStat = -2; |
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String msg = "gig::Engine error: Failed to load instrument, cause: " + e.Message; |
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throw LinuxSamplerException(msg); |
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} |
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catch (InstrumentResourceManagerException e) { |
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InstrumentStat = -3; |
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String msg = "gig::Engine error: Failed to load instrument, cause: " + e.Message(); |
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throw LinuxSamplerException(msg); |
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} |
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catch (...) { |
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InstrumentStat = -4; |
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throw LinuxSamplerException("gig::Engine error: Failed to load instrument, cause: Unknown exception while trying to parse gig file."); |
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} |
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// rebuild ActiveKeyGroups map with key groups of current instrument |
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for (::gig::Region* pRegion = pInstrument->GetFirstRegion(); pRegion; pRegion = pInstrument->GetNextRegion()) |
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if (pRegion->KeyGroup) ActiveKeyGroups[pRegion->KeyGroup] = NULL; |
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InstrumentIdxName = pInstrument->pInfo->Name; |
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InstrumentStat = 100; |
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// inform audio driver for the need of two channels |
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try { |
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if (pAudioOutputDevice) pAudioOutputDevice->AcquireChannels(2); // gig Engine only stereo |
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} |
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catch (AudioOutputException e) { |
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String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message(); |
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throw LinuxSamplerException(msg); |
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} |
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Enable(); |
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} |
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/** |
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* Will be called by the InstrumentResourceManager when the instrument |
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* we are currently using in this engine is going to be updated, so we |
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* can stop playback before that happens. |
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*/ |
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void Engine::ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg) { |
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dmsg(3,("gig::Engine: Received instrument update message.\n")); |
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DisableAndLock(); |
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ResetInternal(); |
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this->pInstrument = NULL; |
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} |
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/** |
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* Will be called by the InstrumentResourceManager when the instrument |
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* update process was completed, so we can continue with playback. |
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*/ |
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void Engine::ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg) { |
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this->pInstrument = pNewResource; //TODO: there are couple of engine parameters we should update here as well if the instrument was updated (see LoadInstrument()) |
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Enable(); |
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} |
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void Engine::Connect(AudioOutputDevice* pAudioOut) { |
void Engine::Connect(AudioOutputDevice* pAudioOut) { |
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pAudioOutputDevice = pAudioOut; |
pAudioOutputDevice = pAudioOut; |
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String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message(); |
String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message(); |
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throw LinuxSamplerException(msg); |
throw LinuxSamplerException(msg); |
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} |
} |
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this->AudioDeviceChannelLeft = 0; |
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this->AudioDeviceChannelRight = 1; |
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this->pOutputLeft = pAudioOutputDevice->Channel(0)->Buffer(); |
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this->pOutputRight = pAudioOutputDevice->Channel(1)->Buffer(); |
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this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
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this->SampleRate = pAudioOutputDevice->SampleRate(); |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
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// FIXME: audio drivers with varying fragment sizes might be a problem here |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
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MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1; |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1; |
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if (MaxFadeOutPos < 0) |
if (MaxFadeOutPos < 0) |
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throw LinuxSamplerException("EG_MIN_RELEASE_TIME in EGADSR.h to big for current audio fragment size / sampling rate!"); |
throw LinuxSamplerException("EG_MIN_RELEASE_TIME in EGADSR.h too big for current audio fragment size / sampling rate!"); |
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// (re)create disk thread |
// (re)create disk thread |
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if (this->pDiskThread) { |
if (this->pDiskThread) { |
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} |
} |
243 |
} |
} |
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void Engine::DisconnectAudioOutputDevice() { |
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if (pAudioOutputDevice) { // if clause to prevent disconnect loops |
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AudioOutputDevice* olddevice = pAudioOutputDevice; |
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pAudioOutputDevice = NULL; |
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olddevice->Disconnect(this); |
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AudioDeviceChannelLeft = -1; |
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AudioDeviceChannelRight = -1; |
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} |
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} |
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/** |
/** |
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* Let this engine proceed to render the given amount of sample points. The |
* Let this engine proceed to render the given amount of sample points. The |
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* calculated audio data of all voices of this engine will be placed into |
* calculated audio data of all voices of this engine will be placed into |
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* converted to the appropriate value range by the audio output class (e.g. |
* converted to the appropriate value range by the audio output class (e.g. |
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* AlsaIO or JackIO) right after. |
* AlsaIO or JackIO) right after. |
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* |
* |
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* @param pEngineChannel - the engine's channel to be rendered |
253 |
* @param Samples - number of sample points to be rendered |
* @param Samples - number of sample points to be rendered |
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* @returns 0 on success |
* @returns 0 on success |
255 |
*/ |
*/ |
256 |
int Engine::RenderAudio(uint Samples) { |
int Engine::RenderAudio(LinuxSampler::gig::EngineChannel* pEngineChannel, uint Samples) { |
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dmsg(5,("RenderAudio(Samples=%d)\n", Samples)); |
dmsg(5,("RenderAudio(Samples=%d)\n", Samples)); |
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// return if no instrument loaded or engine disabled |
// return if no instrument loaded or engine disabled |
261 |
dmsg(5,("gig::Engine: engine disabled (val=%d)\n",EngineDisabled.GetUnsafe())); |
dmsg(5,("gig::Engine: engine disabled (val=%d)\n",EngineDisabled.GetUnsafe())); |
262 |
return 0; |
return 0; |
263 |
} |
} |
264 |
if (!pInstrument) { |
if (!pEngineChannel->pInstrument) { |
265 |
dmsg(5,("gig::Engine: no instrument loaded\n")); |
dmsg(5,("gig::Engine: no instrument loaded\n")); |
266 |
return 0; |
return 0; |
267 |
} |
} |
278 |
pSynthesisEvents[i]->clear(); |
pSynthesisEvents[i]->clear(); |
279 |
} |
} |
280 |
{ |
{ |
281 |
RTList<uint>::Iterator iuiKey = pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
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RTList<uint>::Iterator end = pActiveKeys->end(); |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
283 |
for(; iuiKey != end; ++iuiKey) { |
for(; iuiKey != end; ++iuiKey) { |
284 |
pMIDIKeyInfo[*iuiKey].pEvents->clear(); // free all events on the key |
pEngineChannel->pMIDIKeyInfo[*iuiKey].pEvents->clear(); // free all events on the key |
285 |
} |
} |
286 |
} |
} |
287 |
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319 |
switch (itEvent->Type) { |
switch (itEvent->Type) { |
320 |
case Event::type_note_on: |
case Event::type_note_on: |
321 |
dmsg(5,("Engine: Note on received\n")); |
dmsg(5,("Engine: Note on received\n")); |
322 |
ProcessNoteOn(itEvent); |
ProcessNoteOn(pEngineChannel, itEvent); |
323 |
break; |
break; |
324 |
case Event::type_note_off: |
case Event::type_note_off: |
325 |
dmsg(5,("Engine: Note off received\n")); |
dmsg(5,("Engine: Note off received\n")); |
326 |
ProcessNoteOff(itEvent); |
ProcessNoteOff(pEngineChannel, itEvent); |
327 |
break; |
break; |
328 |
case Event::type_control_change: |
case Event::type_control_change: |
329 |
dmsg(5,("Engine: MIDI CC received\n")); |
dmsg(5,("Engine: MIDI CC received\n")); |
330 |
ProcessControlChange(itEvent); |
ProcessControlChange(pEngineChannel, itEvent); |
331 |
break; |
break; |
332 |
case Event::type_pitchbend: |
case Event::type_pitchbend: |
333 |
dmsg(5,("Engine: Pitchbend received\n")); |
dmsg(5,("Engine: Pitchbend received\n")); |
334 |
ProcessPitchbend(itEvent); |
ProcessPitchbend(pEngineChannel, itEvent); |
335 |
break; |
break; |
336 |
case Event::type_sysex: |
case Event::type_sysex: |
337 |
dmsg(5,("Engine: Sysex received\n")); |
dmsg(5,("Engine: Sysex received\n")); |
346 |
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347 |
// render audio from all active voices |
// render audio from all active voices |
348 |
{ |
{ |
349 |
RTList<uint>::Iterator iuiKey = pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
350 |
RTList<uint>::Iterator end = pActiveKeys->end(); |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
351 |
while (iuiKey != end) { // iterate through all active keys |
while (iuiKey != end) { // iterate through all active keys |
352 |
midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
353 |
++iuiKey; |
++iuiKey; |
354 |
|
|
355 |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
359 |
itVoice->Render(Samples); |
itVoice->Render(Samples); |
360 |
if (itVoice->IsActive()) active_voices++; // still active |
if (itVoice->IsActive()) active_voices++; // still active |
361 |
else { // voice reached end, is now inactive |
else { // voice reached end, is now inactive |
362 |
FreeVoice(itVoice); // remove voice from the list of active voices |
FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices |
363 |
} |
} |
364 |
} |
} |
365 |
} |
} |
371 |
RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first(); |
RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first(); |
372 |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
373 |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
374 |
Pool<Voice>::Iterator itNewVoice = LaunchVoice(itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
Pool<Voice>::Iterator itNewVoice = |
375 |
|
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
376 |
if (itNewVoice) { |
if (itNewVoice) { |
377 |
for (; itNewVoice; itNewVoice = itNewVoice->itChildVoice) { |
for (; itNewVoice; itNewVoice = itNewVoice->itChildVoice) { |
378 |
itNewVoice->Render(Samples); |
itNewVoice->Render(Samples); |
379 |
if (itNewVoice->IsActive()) active_voices++; // still active |
if (itNewVoice->IsActive()) active_voices++; // still active |
380 |
else { // voice reached end, is now inactive |
else { // voice reached end, is now inactive |
381 |
FreeVoice(itNewVoice); // remove voice from the list of active voices |
FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices |
382 |
} |
} |
383 |
} |
} |
384 |
} |
} |
393 |
|
|
394 |
// free all keys which have no active voices left |
// free all keys which have no active voices left |
395 |
{ |
{ |
396 |
RTList<uint>::Iterator iuiKey = pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
397 |
RTList<uint>::Iterator end = pActiveKeys->end(); |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
398 |
while (iuiKey != end) { // iterate through all active keys |
while (iuiKey != end) { // iterate through all active keys |
399 |
midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
400 |
++iuiKey; |
++iuiKey; |
401 |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pKey); |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
402 |
#if DEVMODE |
#if DEVMODE |
403 |
else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging) |
else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging) |
404 |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
421 |
|
|
422 |
|
|
423 |
return 0; |
return 0; |
424 |
} |
} |
|
|
|
|
/** |
|
|
* Will be called by the MIDIIn Thread to let the audio thread trigger a new |
|
|
* voice for the given key. |
|
|
* |
|
|
* @param Key - MIDI key number of the triggered key |
|
|
* @param Velocity - MIDI velocity value of the triggered key |
|
|
*/ |
|
|
void Engine::SendNoteOn(uint8_t Key, uint8_t Velocity) { |
|
|
Event event = pEventGenerator->CreateEvent(); |
|
|
event.Type = Event::type_note_on; |
|
|
event.Param.Note.Key = Key; |
|
|
event.Param.Note.Velocity = Velocity; |
|
|
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
|
|
else dmsg(1,("Engine: Input event queue full!")); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Will be called by the MIDIIn Thread to signal the audio thread to release |
|
|
* voice(s) on the given key. |
|
|
* |
|
|
* @param Key - MIDI key number of the released key |
|
|
* @param Velocity - MIDI release velocity value of the released key |
|
|
*/ |
|
|
void Engine::SendNoteOff(uint8_t Key, uint8_t Velocity) { |
|
|
Event event = pEventGenerator->CreateEvent(); |
|
|
event.Type = Event::type_note_off; |
|
|
event.Param.Note.Key = Key; |
|
|
event.Param.Note.Velocity = Velocity; |
|
|
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
|
|
else dmsg(1,("Engine: Input event queue full!")); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Will be called by the MIDIIn Thread to signal the audio thread to change |
|
|
* the pitch value for all voices. |
|
|
* |
|
|
* @param Pitch - MIDI pitch value (-8192 ... +8191) |
|
|
*/ |
|
|
void Engine::SendPitchbend(int Pitch) { |
|
|
Event event = pEventGenerator->CreateEvent(); |
|
|
event.Type = Event::type_pitchbend; |
|
|
event.Param.Pitch.Pitch = Pitch; |
|
|
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
|
|
else dmsg(1,("Engine: Input event queue full!")); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Will be called by the MIDIIn Thread to signal the audio thread that a |
|
|
* continuous controller value has changed. |
|
|
* |
|
|
* @param Controller - MIDI controller number of the occured control change |
|
|
* @param Value - value of the control change |
|
|
*/ |
|
|
void Engine::SendControlChange(uint8_t Controller, uint8_t Value) { |
|
|
Event event = pEventGenerator->CreateEvent(); |
|
|
event.Type = Event::type_control_change; |
|
|
event.Param.CC.Controller = Controller; |
|
|
event.Param.CC.Value = Value; |
|
|
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
|
|
else dmsg(1,("Engine: Input event queue full!")); |
|
|
} |
|
425 |
|
|
426 |
/** |
/** |
427 |
* Will be called by the MIDI input device whenever a MIDI system |
* Will be called by the MIDI input device whenever a MIDI system |
457 |
/** |
/** |
458 |
* Assigns and triggers a new voice for the respective MIDI key. |
* Assigns and triggers a new voice for the respective MIDI key. |
459 |
* |
* |
460 |
|
* @param pEngineChannel - engine channel on which this event occured on |
461 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
462 |
*/ |
*/ |
463 |
void Engine::ProcessNoteOn(Pool<Event>::Iterator& itNoteOnEvent) { |
void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
464 |
|
|
465 |
const int key = itNoteOnEvent->Param.Note.Key; |
const int key = itNoteOnEvent->Param.Note.Key; |
466 |
|
|
467 |
// Change key dimension value if key is in keyswitching area |
// Change key dimension value if key is in keyswitching area |
468 |
if (key >= pInstrument->DimensionKeyRange.low && key <= pInstrument->DimensionKeyRange.high) |
{ |
469 |
CurrentKeyDimension = ((key - pInstrument->DimensionKeyRange.low) * 128) / |
const ::gig::Instrument* pInstrument = pEngineChannel->pInstrument; |
470 |
(pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1); |
if (key >= pInstrument->DimensionKeyRange.low && key <= pInstrument->DimensionKeyRange.high) |
471 |
|
pEngineChannel->CurrentKeyDimension = ((key - pInstrument->DimensionKeyRange.low) * 128) / |
472 |
|
(pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1); |
473 |
|
} |
474 |
|
|
475 |
midi_key_info_t* pKey = &pMIDIKeyInfo[key]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
476 |
|
|
477 |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
478 |
|
|
479 |
// cancel release process of voices on this key if needed |
// cancel release process of voices on this key if needed |
480 |
if (pKey->Active && !SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
481 |
RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend(); |
RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend(); |
482 |
if (itCancelReleaseEvent) { |
if (itCancelReleaseEvent) { |
483 |
*itCancelReleaseEvent = *itNoteOnEvent; // copy event |
*itCancelReleaseEvent = *itNoteOnEvent; // copy event |
490 |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
491 |
|
|
492 |
// allocate and trigger a new voice for the key |
// allocate and trigger a new voice for the key |
493 |
LaunchVoice(itNoteOnEventOnKeyList, 0, false, true); |
LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, 0, false, true); |
494 |
} |
} |
495 |
|
|
496 |
/** |
/** |
499 |
* sustain pedal will be released or voice turned inactive by itself (e.g. |
* sustain pedal will be released or voice turned inactive by itself (e.g. |
500 |
* due to completion of sample playback). |
* due to completion of sample playback). |
501 |
* |
* |
502 |
|
* @param pEngineChannel - engine channel on which this event occured on |
503 |
* @param itNoteOffEvent - key, velocity and time stamp of the event |
* @param itNoteOffEvent - key, velocity and time stamp of the event |
504 |
*/ |
*/ |
505 |
void Engine::ProcessNoteOff(Pool<Event>::Iterator& itNoteOffEvent) { |
void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) { |
506 |
midi_key_info_t* pKey = &pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
507 |
|
|
508 |
pKey->KeyPressed = false; // the MIDI key was now released |
pKey->KeyPressed = false; // the MIDI key was now released |
509 |
|
|
510 |
// release voices on this key if needed |
// release voices on this key if needed |
511 |
if (pKey->Active && !SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
512 |
itNoteOffEvent->Type = Event::type_release; // transform event type |
itNoteOffEvent->Type = Event::type_release; // transform event type |
513 |
} |
} |
514 |
|
|
517 |
|
|
518 |
// spawn release triggered voice(s) if needed |
// spawn release triggered voice(s) if needed |
519 |
if (pKey->ReleaseTrigger) { |
if (pKey->ReleaseTrigger) { |
520 |
LaunchVoice(itNoteOffEventOnKeyList, 0, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, 0, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
521 |
pKey->ReleaseTrigger = false; |
pKey->ReleaseTrigger = false; |
522 |
} |
} |
523 |
} |
} |
526 |
* Moves pitchbend event from the general (input) event list to the pitch |
* Moves pitchbend event from the general (input) event list to the pitch |
527 |
* event list. |
* event list. |
528 |
* |
* |
529 |
|
* @param pEngineChannel - engine channel on which this event occured on |
530 |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
531 |
*/ |
*/ |
532 |
void Engine::ProcessPitchbend(Pool<Event>::Iterator& itPitchbendEvent) { |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
533 |
this->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
534 |
itPitchbendEvent.moveToEndOf(pSynthesisEvents[Event::destination_vco]); |
itPitchbendEvent.moveToEndOf(pSynthesisEvents[Event::destination_vco]); |
535 |
} |
} |
536 |
|
|
539 |
* called by the ProcessNoteOn() method and by the voices itself |
* called by the ProcessNoteOn() method and by the voices itself |
540 |
* (e.g. to spawn further voices on the same key for layered sounds). |
* (e.g. to spawn further voices on the same key for layered sounds). |
541 |
* |
* |
542 |
|
* @param pEngineChannel - engine channel on which this event occured on |
543 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
544 |
* @param iLayer - layer index for the new voice (optional - only |
* @param iLayer - layer index for the new voice (optional - only |
545 |
* in case of layered sounds of course) |
* in case of layered sounds of course) |
552 |
* if the voice wasn't triggered (for example when no region is |
* if the voice wasn't triggered (for example when no region is |
553 |
* defined for the given key). |
* defined for the given key). |
554 |
*/ |
*/ |
555 |
Pool<Voice>::Iterator Engine::LaunchVoice(Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) { |
Pool<Voice>::Iterator Engine::LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) { |
556 |
midi_key_info_t* pKey = &pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
557 |
|
|
558 |
// allocate a new voice for the key |
// allocate a new voice for the key |
559 |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
560 |
if (itNewVoice) { |
if (itNewVoice) { |
561 |
// launch the new voice |
// launch the new voice |
562 |
if (itNewVoice->Trigger(itNoteOnEvent, this->Pitch, this->pInstrument, iLayer, ReleaseTriggerVoice, VoiceStealing) < 0) { |
if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pEngineChannel->pInstrument, iLayer, ReleaseTriggerVoice, VoiceStealing) < 0) { |
563 |
dmsg(4,("Voice not triggered\n")); |
dmsg(4,("Voice not triggered\n")); |
564 |
pKey->pActiveVoices->free(itNewVoice); |
pKey->pActiveVoices->free(itNewVoice); |
565 |
} |
} |
566 |
else { // on success |
else { // on success |
567 |
uint** ppKeyGroup = NULL; |
uint** ppKeyGroup = NULL; |
568 |
if (itNewVoice->KeyGroup) { // if this voice / key belongs to a key group |
if (itNewVoice->KeyGroup) { // if this voice / key belongs to a key group |
569 |
ppKeyGroup = &ActiveKeyGroups[itNewVoice->KeyGroup]; |
ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup]; |
570 |
if (*ppKeyGroup) { // if there's already an active key in that key group |
if (*ppKeyGroup) { // if there's already an active key in that key group |
571 |
midi_key_info_t* pOtherKey = &pMIDIKeyInfo[**ppKeyGroup]; |
midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[**ppKeyGroup]; |
572 |
// kill all voices on the (other) key |
// kill all voices on the (other) key |
573 |
RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
574 |
RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
579 |
} |
} |
580 |
if (!pKey->Active) { // mark as active key |
if (!pKey->Active) { // mark as active key |
581 |
pKey->Active = true; |
pKey->Active = true; |
582 |
pKey->itSelf = pActiveKeys->allocAppend(); |
pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend(); |
583 |
*pKey->itSelf = itNoteOnEvent->Param.Note.Key; |
*pKey->itSelf = itNoteOnEvent->Param.Note.Key; |
584 |
} |
} |
585 |
if (itNewVoice->KeyGroup) { |
if (itNewVoice->KeyGroup) { |
591 |
} |
} |
592 |
else if (VoiceStealing) { |
else if (VoiceStealing) { |
593 |
// first, get total amount of required voices (dependant on amount of layers) |
// first, get total amount of required voices (dependant on amount of layers) |
594 |
::gig::Region* pRegion = pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key); |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key); |
595 |
if (!pRegion) return Pool<Voice>::Iterator(); // nothing defined for this MIDI key, so no voice needed |
if (!pRegion) return Pool<Voice>::Iterator(); // nothing defined for this MIDI key, so no voice needed |
596 |
int voicesRequired = pRegion->Layers; |
int voicesRequired = pRegion->Layers; |
597 |
|
|
598 |
// now steal the (remaining) amount of voices |
// now steal the (remaining) amount of voices |
599 |
for (int i = iLayer; i < voicesRequired; i++) |
for (int i = iLayer; i < voicesRequired; i++) |
600 |
StealVoice(itNoteOnEvent); |
StealVoice(pEngineChannel, itNoteOnEvent); |
601 |
|
|
602 |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
603 |
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
618 |
* voice stealing and postpone the note-on event until the selected |
* voice stealing and postpone the note-on event until the selected |
619 |
* voice actually died. |
* voice actually died. |
620 |
* |
* |
621 |
|
* @param pEngineChannel - engine channel on which this event occured on |
622 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
623 |
*/ |
*/ |
624 |
void Engine::StealVoice(Pool<Event>::Iterator& itNoteOnEvent) { |
void Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
625 |
if (!pEventPool->poolIsEmpty()) { |
if (!pEventPool->poolIsEmpty()) { |
626 |
|
|
627 |
RTList<uint>::Iterator iuiOldestKey; |
RTList<uint>::Iterator iuiOldestKey; |
635 |
// key, or no voice left to kill there, then procceed with |
// key, or no voice left to kill there, then procceed with |
636 |
// 'oldestkey' algorithm |
// 'oldestkey' algorithm |
637 |
case voice_steal_algo_keymask: { |
case voice_steal_algo_keymask: { |
638 |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
639 |
if (itLastStolenVoice) { |
if (itLastStolenVoice) { |
640 |
itOldestVoice = itLastStolenVoice; |
itOldestVoice = itLastStolenVoice; |
641 |
++itOldestVoice; |
++itOldestVoice; |
653 |
// (caution: must stay after 'keymask' algorithm !) |
// (caution: must stay after 'keymask' algorithm !) |
654 |
case voice_steal_algo_oldestkey: { |
case voice_steal_algo_oldestkey: { |
655 |
if (itLastStolenVoice) { |
if (itLastStolenVoice) { |
656 |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*iuiLastStolenKey]; |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiLastStolenKey]; |
657 |
itOldestVoice = itLastStolenVoice; |
itOldestVoice = itLastStolenVoice; |
658 |
++itOldestVoice; |
++itOldestVoice; |
659 |
if (!itOldestVoice) { |
if (!itOldestVoice) { |
660 |
iuiOldestKey = iuiLastStolenKey; |
iuiOldestKey = iuiLastStolenKey; |
661 |
++iuiOldestKey; |
++iuiOldestKey; |
662 |
if (iuiOldestKey) { |
if (iuiOldestKey) { |
663 |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*iuiOldestKey]; |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey]; |
664 |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
665 |
} |
} |
666 |
else { |
else { |
671 |
else iuiOldestKey = iuiLastStolenKey; |
else iuiOldestKey = iuiLastStolenKey; |
672 |
} |
} |
673 |
else { // no voice stolen in this audio fragment cycle yet |
else { // no voice stolen in this audio fragment cycle yet |
674 |
iuiOldestKey = pActiveKeys->first(); |
iuiOldestKey = pEngineChannel->pActiveKeys->first(); |
675 |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*iuiOldestKey]; |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey]; |
676 |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
677 |
} |
} |
678 |
break; |
break; |
704 |
* it finished to playback its sample, finished its release stage or |
* it finished to playback its sample, finished its release stage or |
705 |
* just was killed. |
* just was killed. |
706 |
* |
* |
707 |
|
* @param pEngineChannel - engine channel on which this event occured on |
708 |
* @param itVoice - points to the voice to be freed |
* @param itVoice - points to the voice to be freed |
709 |
*/ |
*/ |
710 |
void Engine::FreeVoice(Pool<Voice>::Iterator& itVoice) { |
void Engine::FreeVoice(EngineChannel* pEngineChannel, Pool<Voice>::Iterator& itVoice) { |
711 |
if (itVoice) { |
if (itVoice) { |
712 |
midi_key_info_t* pKey = &pMIDIKeyInfo[itVoice->MIDIKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itVoice->MIDIKey]; |
713 |
|
|
714 |
uint keygroup = itVoice->KeyGroup; |
uint keygroup = itVoice->KeyGroup; |
715 |
|
|
718 |
|
|
719 |
// if no other voices left and member of a key group, remove from key group |
// if no other voices left and member of a key group, remove from key group |
720 |
if (pKey->pActiveVoices->isEmpty() && keygroup) { |
if (pKey->pActiveVoices->isEmpty() && keygroup) { |
721 |
uint** ppKeyGroup = &ActiveKeyGroups[keygroup]; |
uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[keygroup]; |
722 |
if (*ppKeyGroup == &*pKey->itSelf) *ppKeyGroup = NULL; // remove key from key group |
if (*ppKeyGroup == &*pKey->itSelf) *ppKeyGroup = NULL; // remove key from key group |
723 |
} |
} |
724 |
} |
} |
729 |
* Called when there's no more voice left on a key, this call will |
* Called when there's no more voice left on a key, this call will |
730 |
* update the key info respectively. |
* update the key info respectively. |
731 |
* |
* |
732 |
|
* @param pEngineChannel - engine channel on which this event occured on |
733 |
* @param pKey - key which is now inactive |
* @param pKey - key which is now inactive |
734 |
*/ |
*/ |
735 |
void Engine::FreeKey(midi_key_info_t* pKey) { |
void Engine::FreeKey(EngineChannel* pEngineChannel, midi_key_info_t* pKey) { |
736 |
if (pKey->pActiveVoices->isEmpty()) { |
if (pKey->pActiveVoices->isEmpty()) { |
737 |
pKey->Active = false; |
pKey->Active = false; |
738 |
pActiveKeys->free(pKey->itSelf); // remove key from list of active keys |
pEngineChannel->pActiveKeys->free(pKey->itSelf); // remove key from list of active keys |
739 |
pKey->itSelf = RTList<uint>::Iterator(); |
pKey->itSelf = RTList<uint>::Iterator(); |
740 |
pKey->ReleaseTrigger = false; |
pKey->ReleaseTrigger = false; |
741 |
pKey->pEvents->clear(); |
pKey->pEvents->clear(); |
748 |
* Reacts on supported control change commands (e.g. pitch bend wheel, |
* Reacts on supported control change commands (e.g. pitch bend wheel, |
749 |
* modulation wheel, aftertouch). |
* modulation wheel, aftertouch). |
750 |
* |
* |
751 |
|
* @param pEngineChannel - engine channel on which this event occured on |
752 |
* @param itControlChangeEvent - controller, value and time stamp of the event |
* @param itControlChangeEvent - controller, value and time stamp of the event |
753 |
*/ |
*/ |
754 |
void Engine::ProcessControlChange(Pool<Event>::Iterator& itControlChangeEvent) { |
void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) { |
755 |
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", itControlChangeEvent->Param.CC.Controller, itControlChangeEvent->Param.CC.Value)); |
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", itControlChangeEvent->Param.CC.Controller, itControlChangeEvent->Param.CC.Value)); |
756 |
|
|
757 |
switch (itControlChangeEvent->Param.CC.Controller) { |
switch (itControlChangeEvent->Param.CC.Controller) { |
758 |
case 64: { |
case 64: { |
759 |
if (itControlChangeEvent->Param.CC.Value >= 64 && !SustainPedal) { |
if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
760 |
dmsg(4,("PEDAL DOWN\n")); |
dmsg(4,("PEDAL DOWN\n")); |
761 |
SustainPedal = true; |
pEngineChannel->SustainPedal = true; |
762 |
|
|
763 |
// cancel release process of voices if necessary |
// cancel release process of voices if necessary |
764 |
RTList<uint>::Iterator iuiKey = pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
765 |
if (iuiKey) { |
if (iuiKey) { |
766 |
itControlChangeEvent->Type = Event::type_cancel_release; // transform event type |
itControlChangeEvent->Type = Event::type_cancel_release; // transform event type |
767 |
while (iuiKey) { |
while (iuiKey) { |
768 |
midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
769 |
++iuiKey; |
++iuiKey; |
770 |
if (!pKey->KeyPressed) { |
if (!pKey->KeyPressed) { |
771 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
775 |
} |
} |
776 |
} |
} |
777 |
} |
} |
778 |
if (itControlChangeEvent->Param.CC.Value < 64 && SustainPedal) { |
if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
779 |
dmsg(4,("PEDAL UP\n")); |
dmsg(4,("PEDAL UP\n")); |
780 |
SustainPedal = false; |
pEngineChannel->SustainPedal = false; |
781 |
|
|
782 |
// release voices if their respective key is not pressed |
// release voices if their respective key is not pressed |
783 |
RTList<uint>::Iterator iuiKey = pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
784 |
if (iuiKey) { |
if (iuiKey) { |
785 |
itControlChangeEvent->Type = Event::type_release; // transform event type |
itControlChangeEvent->Type = Event::type_release; // transform event type |
786 |
while (iuiKey) { |
while (iuiKey) { |
787 |
midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
788 |
++iuiKey; |
++iuiKey; |
789 |
if (!pKey->KeyPressed) { |
if (!pKey->KeyPressed) { |
790 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
799 |
} |
} |
800 |
|
|
801 |
// update controller value in the engine's controller table |
// update controller value in the engine's controller table |
802 |
ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
803 |
|
|
804 |
// move event from the unsorted event list to the control change event list |
// move event from the unsorted event list to the control change event list |
805 |
itControlChangeEvent.moveToEndOf(pCCEvents); |
itControlChangeEvent.moveToEndOf(pCCEvents); |
901 |
m[i+2] = val; |
m[i+2] = val; |
902 |
m[i+3] = val; |
m[i+3] = val; |
903 |
} |
} |
904 |
} |
} |
|
|
|
|
float Engine::Volume() { |
|
|
return GlobalVolume; |
|
|
} |
|
|
|
|
|
void Engine::Volume(float f) { |
|
|
GlobalVolume = f; |
|
|
} |
|
|
|
|
|
uint Engine::Channels() { |
|
|
return 2; |
|
|
} |
|
|
|
|
|
void Engine::SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel) { |
|
|
AudioChannel* pChannel = pAudioOutputDevice->Channel(AudioDeviceChannel); |
|
|
if (!pChannel) throw AudioOutputException("Invalid audio output device channel " + ToString(AudioDeviceChannel)); |
|
|
switch (EngineAudioChannel) { |
|
|
case 0: // left output channel |
|
|
pOutputLeft = pChannel->Buffer(); |
|
|
AudioDeviceChannelLeft = AudioDeviceChannel; |
|
|
break; |
|
|
case 1: // right output channel |
|
|
pOutputRight = pChannel->Buffer(); |
|
|
AudioDeviceChannelRight = AudioDeviceChannel; |
|
|
break; |
|
|
default: |
|
|
throw AudioOutputException("Invalid engine audio channel " + ToString(EngineAudioChannel)); |
|
|
} |
|
|
} |
|
|
|
|
|
int Engine::OutputChannel(uint EngineAudioChannel) { |
|
|
switch (EngineAudioChannel) { |
|
|
case 0: // left channel |
|
|
return AudioDeviceChannelLeft; |
|
|
case 1: // right channel |
|
|
return AudioDeviceChannelRight; |
|
|
default: |
|
|
throw AudioOutputException("Invalid engine audio channel " + ToString(EngineAudioChannel)); |
|
|
} |
|
|
} |
|
905 |
|
|
906 |
uint Engine::VoiceCount() { |
uint Engine::VoiceCount() { |
907 |
return ActiveVoiceCount; |
return ActiveVoiceCount; |
935 |
return "GigEngine"; |
return "GigEngine"; |
936 |
} |
} |
937 |
|
|
|
String Engine::InstrumentFileName() { |
|
|
return InstrumentFile; |
|
|
} |
|
|
|
|
|
String Engine::InstrumentName() { |
|
|
return InstrumentIdxName; |
|
|
} |
|
|
|
|
|
int Engine::InstrumentIndex() { |
|
|
return InstrumentIdx; |
|
|
} |
|
|
|
|
|
int Engine::InstrumentStatus() { |
|
|
return InstrumentStat; |
|
|
} |
|
|
|
|
938 |
String Engine::Description() { |
String Engine::Description() { |
939 |
return "Gigasampler Engine"; |
return "Gigasampler Engine"; |
940 |
} |
} |
941 |
|
|
942 |
String Engine::Version() { |
String Engine::Version() { |
943 |
String s = "$Revision: 1.25 $"; |
String s = "$Revision: 1.26 $"; |
944 |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
945 |
} |
} |
946 |
|
|