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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* * |
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* 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 * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (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 * |
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* GNU 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 License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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#include <sstream> |
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#include "DiskThread.h" |
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#include "Voice.h" |
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#include "Engine.h" |
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namespace LinuxSampler { namespace gig { |
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InstrumentResourceManager Engine::Instruments; |
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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; |
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pDiskThread = NULL; |
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pEventGenerator = NULL; |
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pSysexBuffer = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0); |
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pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0); |
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pEventPool = new RTELMemoryPool<Event>(MAX_EVENTS_PER_FRAGMENT); |
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pVoicePool = new RTELMemoryPool<Voice>(MAX_AUDIO_VOICES); |
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pActiveKeys = new RTELMemoryPool<uint>(128); |
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pEvents = new RTEList<Event>(pEventPool); |
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pCCEvents = new RTEList<Event>(pEventPool); |
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for (uint i = 0; i < Event::destination_count; i++) { |
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pSynthesisEvents[i] = new RTEList<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 RTEList<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].pSelf = NULL; |
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pMIDIKeyInfo[i].pEvents = new RTEList<Event>(pEventPool); |
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} |
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for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) { |
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pVoice->SetEngine(this); |
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} |
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pVoicePool->clear(); |
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pSynthesisParameters[0] = NULL; // we allocate when an audio device is connected |
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pBasicFilterParameters = NULL; |
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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(); |
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} |
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Engine::~Engine() { |
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if (pDiskThread) { |
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pDiskThread->StopThread(); |
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delete pDiskThread; |
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} |
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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++) { |
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if (pSynthesisEvents[i]) delete pSynthesisEvents[i]; |
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} |
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delete[] pSynthesisEvents; |
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if (pEvents) delete pEvents; |
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if (pCCEvents) delete pCCEvents; |
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if (pEventQueue) delete pEventQueue; |
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if (pEventPool) delete pEventPool; |
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if (pVoicePool) delete pVoicePool; |
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if (pActiveKeys) delete pActiveKeys; |
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if (pSysexBuffer) delete pSysexBuffer; |
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if (pEventGenerator) delete pEventGenerator; |
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if (pMainFilterParameters) delete[] pMainFilterParameters; |
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if (pBasicFilterParameters) delete[] pBasicFilterParameters; |
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if (pSynthesisParameters[0]) delete[] pSynthesisParameters[0]; |
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} |
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void Engine::Enable() { |
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dmsg(3,("gig::Engine: enabling\n")); |
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EngineDisabled.PushAndUnlock(false, 2); // set condition object 'EngineDisabled' to false (wait max. 2s) |
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dmsg(3,("gig::Engine: enabled (val=%d)\n", EngineDisabled.GetUnsafe())); |
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} |
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void Engine::Disable() { |
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dmsg(3,("gig::Engine: disabling\n")); |
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bool* pWasDisabled = EngineDisabled.PushAndUnlock(true, 2); // wait max. 2s |
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if (!pWasDisabled) dmsg(3,("gig::Engine warning: Timeout waiting to disable engine.\n")); |
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} |
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void Engine::DisableAndLock() { |
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dmsg(3,("gig::Engine: disabling\n")); |
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bool* pWasDisabled = EngineDisabled.Push(true, 2); // wait max. 2s |
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if (!pWasDisabled) dmsg(3,("gig::Engine warning: Timeout waiting to disable engine.\n")); |
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} |
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/** |
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* Reset all voices and disk thread and clear input event queue and all |
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* control and status variables. |
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*/ |
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void Engine::Reset() { |
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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(); |
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// signal audio thread to continue with rendering |
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//SuspensionRequested = false; |
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Enable(); |
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} |
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/** |
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* Reset all voices and disk thread and clear input event queue and all |
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* control and status variables. This method is not thread safe! |
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*/ |
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void Engine::ResetInternal() { |
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Pitch = 0; |
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SustainPedal = false; |
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ActiveVoiceCount = 0; |
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ActiveVoiceCountMax = 0; |
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GlobalVolume = 1.0; |
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// reset to normal chromatic scale (means equal temper) |
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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].pSelf = NULL; |
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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 |
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for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) { |
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pVoice->Reset(); |
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} |
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pVoicePool->clear(); |
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// free all active keys |
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pActiveKeys->clear(); |
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// reset disk thread |
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if (pDiskThread) pDiskThread->Reset(); |
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// delete all input events |
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pEventQueue->init(); |
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} |
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/** |
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* Load an instrument from a .gig file. |
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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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* @throws LinuxSamplerException on error |
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* @returns detailed description of the method call result |
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*/ |
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void Engine::LoadInstrument(const char* FileName, uint Instrument) { |
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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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InstrumentFile = FileName; |
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InstrumentIdx = Instrument; |
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InstrumentStat = 0; |
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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 = FileName; |
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instrid.iInstrument = Instrument; |
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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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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) { |
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pAudioOutputDevice = pAudioOut; |
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ResetInternal(); |
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// inform audio driver for the need of two channels |
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try { |
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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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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(); |
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this->SampleRate = pAudioOutputDevice->SampleRate(); |
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// (re)create disk thread |
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if (this->pDiskThread) { |
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this->pDiskThread->StopThread(); |
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delete this->pDiskThread; |
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} |
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this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo |
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if (!pDiskThread) { |
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dmsg(0,("gig::Engine new diskthread = NULL\n")); |
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exit(EXIT_FAILURE); |
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} |
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for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) { |
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pVoice->pDiskThread = this->pDiskThread; |
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dmsg(3,("d")); |
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} |
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pVoicePool->clear(); |
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// (re)create event generator |
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if (pEventGenerator) delete pEventGenerator; |
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pEventGenerator = new EventGenerator(pAudioOut->SampleRate()); |
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// (re)allocate synthesis parameter matrix |
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if (pSynthesisParameters[0]) delete[] pSynthesisParameters[0]; |
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pSynthesisParameters[0] = new float[Event::destination_count * pAudioOut->MaxSamplesPerCycle()]; |
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for (int dst = 1; dst < Event::destination_count; dst++) |
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pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle(); |
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schoenebeck |
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// (re)allocate biquad filter parameter sequence |
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if (pBasicFilterParameters) delete[] pBasicFilterParameters; |
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if (pMainFilterParameters) delete[] pMainFilterParameters; |
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pBasicFilterParameters = new biquad_param_t[pAudioOut->MaxSamplesPerCycle()]; |
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pMainFilterParameters = new biquad_param_t[pAudioOut->MaxSamplesPerCycle()]; |
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schoenebeck |
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dmsg(1,("Starting disk thread...")); |
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pDiskThread->StartThread(); |
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dmsg(1,("OK\n")); |
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for (Voice* pVoice = pVoicePool->first(); pVoice; pVoice = pVoicePool->next()) { |
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if (!pVoice->pDiskThread) { |
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dmsg(0,("Engine -> voice::trigger: !pDiskThread\n")); |
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exit(EXIT_FAILURE); |
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} |
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} |
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} |
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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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schoenebeck |
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AudioDeviceChannelLeft = -1; |
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AudioDeviceChannelRight = -1; |
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schoenebeck |
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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 |
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|
|
* calculated audio data of all voices of this engine will be placed into |
368 |
|
|
* the engine's audio sum buffer which has to be copied and eventually be |
369 |
|
|
* converted to the appropriate value range by the audio output class (e.g. |
370 |
|
|
* AlsaIO or JackIO) right after. |
371 |
|
|
* |
372 |
|
|
* @param Samples - number of sample points to be rendered |
373 |
|
|
* @returns 0 on success |
374 |
|
|
*/ |
375 |
|
|
int Engine::RenderAudio(uint Samples) { |
376 |
|
|
dmsg(5,("RenderAudio(Samples=%d)\n", Samples)); |
377 |
|
|
|
378 |
|
|
// return if no instrument loaded or engine disabled |
379 |
|
|
if (EngineDisabled.Pop()) { |
380 |
|
|
dmsg(5,("gig::Engine: engine disabled (val=%d)\n",EngineDisabled.GetUnsafe())); |
381 |
|
|
return 0; |
382 |
|
|
} |
383 |
|
|
if (!pInstrument) { |
384 |
|
|
dmsg(5,("gig::Engine: no instrument loaded\n")); |
385 |
|
|
return 0; |
386 |
|
|
} |
387 |
|
|
|
388 |
|
|
|
389 |
|
|
// empty the event lists for the new fragment |
390 |
|
|
pEvents->clear(); |
391 |
|
|
pCCEvents->clear(); |
392 |
|
|
for (uint i = 0; i < Event::destination_count; i++) { |
393 |
|
|
pSynthesisEvents[i]->clear(); |
394 |
|
|
} |
395 |
|
|
|
396 |
|
|
// read and copy events from input queue |
397 |
|
|
Event event = pEventGenerator->CreateEvent(); |
398 |
|
|
while (true) { |
399 |
|
|
if (!pEventQueue->pop(&event)) break; |
400 |
|
|
pEvents->alloc_assign(event); |
401 |
|
|
} |
402 |
|
|
|
403 |
|
|
|
404 |
|
|
// update time of start and end of this audio fragment (as events' time stamps relate to this) |
405 |
|
|
pEventGenerator->UpdateFragmentTime(Samples); |
406 |
|
|
|
407 |
|
|
|
408 |
|
|
// process events |
409 |
|
|
Event* pNextEvent = pEvents->first(); |
410 |
|
|
while (pNextEvent) { |
411 |
|
|
Event* pEvent = pNextEvent; |
412 |
|
|
pEvents->set_current(pEvent); |
413 |
|
|
pNextEvent = pEvents->next(); |
414 |
|
|
switch (pEvent->Type) { |
415 |
|
|
case Event::type_note_on: |
416 |
schoenebeck |
244 |
dmsg(5,("Engine: Note on received\n")); |
417 |
schoenebeck |
53 |
ProcessNoteOn(pEvent); |
418 |
|
|
break; |
419 |
|
|
case Event::type_note_off: |
420 |
schoenebeck |
244 |
dmsg(5,("Engine: Note off received\n")); |
421 |
schoenebeck |
53 |
ProcessNoteOff(pEvent); |
422 |
|
|
break; |
423 |
|
|
case Event::type_control_change: |
424 |
schoenebeck |
244 |
dmsg(5,("Engine: MIDI CC received\n")); |
425 |
schoenebeck |
53 |
ProcessControlChange(pEvent); |
426 |
|
|
break; |
427 |
|
|
case Event::type_pitchbend: |
428 |
schoenebeck |
244 |
dmsg(5,("Engine: Pitchbend received\n")); |
429 |
schoenebeck |
53 |
ProcessPitchbend(pEvent); |
430 |
|
|
break; |
431 |
schoenebeck |
244 |
case Event::type_sysex: |
432 |
|
|
dmsg(5,("Engine: Sysex received\n")); |
433 |
|
|
ProcessSysex(pEvent); |
434 |
|
|
break; |
435 |
schoenebeck |
53 |
} |
436 |
|
|
} |
437 |
|
|
|
438 |
|
|
|
439 |
|
|
// render audio from all active voices |
440 |
|
|
int active_voices = 0; |
441 |
|
|
uint* piKey = pActiveKeys->first(); |
442 |
|
|
while (piKey) { // iterate through all active keys |
443 |
|
|
midi_key_info_t* pKey = &pMIDIKeyInfo[*piKey]; |
444 |
|
|
pActiveKeys->set_current(piKey); |
445 |
|
|
piKey = pActiveKeys->next(); |
446 |
|
|
|
447 |
|
|
Voice* pVoiceNext = pKey->pActiveVoices->first(); |
448 |
|
|
while (pVoiceNext) { // iterate through all voices on this key |
449 |
|
|
// already get next voice on key |
450 |
|
|
Voice* pVoice = pVoiceNext; |
451 |
|
|
pKey->pActiveVoices->set_current(pVoice); |
452 |
|
|
pVoiceNext = pKey->pActiveVoices->next(); |
453 |
|
|
|
454 |
|
|
// now render current voice |
455 |
|
|
pVoice->Render(Samples); |
456 |
|
|
if (pVoice->IsActive()) active_voices++; // still active |
457 |
|
|
else { // voice reached end, is now inactive |
458 |
schoenebeck |
239 |
KillVoiceImmediately(pVoice); // remove voice from the list of active voices |
459 |
schoenebeck |
53 |
} |
460 |
|
|
} |
461 |
|
|
pKey->pEvents->clear(); // free all events on the key |
462 |
|
|
} |
463 |
|
|
|
464 |
|
|
|
465 |
|
|
// write that to the disk thread class so that it can print it |
466 |
|
|
// on the console for debugging purposes |
467 |
|
|
ActiveVoiceCount = active_voices; |
468 |
|
|
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
469 |
|
|
|
470 |
|
|
|
471 |
|
|
return 0; |
472 |
|
|
} |
473 |
|
|
|
474 |
|
|
/** |
475 |
|
|
* Will be called by the MIDIIn Thread to let the audio thread trigger a new |
476 |
|
|
* voice for the given key. |
477 |
|
|
* |
478 |
|
|
* @param Key - MIDI key number of the triggered key |
479 |
|
|
* @param Velocity - MIDI velocity value of the triggered key |
480 |
|
|
*/ |
481 |
|
|
void Engine::SendNoteOn(uint8_t Key, uint8_t Velocity) { |
482 |
schoenebeck |
246 |
Event event = pEventGenerator->CreateEvent(); |
483 |
|
|
event.Type = Event::type_note_on; |
484 |
|
|
event.Param.Note.Key = Key; |
485 |
|
|
event.Param.Note.Velocity = Velocity; |
486 |
schoenebeck |
53 |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
487 |
|
|
else dmsg(1,("Engine: Input event queue full!")); |
488 |
|
|
} |
489 |
|
|
|
490 |
|
|
/** |
491 |
|
|
* Will be called by the MIDIIn Thread to signal the audio thread to release |
492 |
|
|
* voice(s) on the given key. |
493 |
|
|
* |
494 |
|
|
* @param Key - MIDI key number of the released key |
495 |
|
|
* @param Velocity - MIDI release velocity value of the released key |
496 |
|
|
*/ |
497 |
|
|
void Engine::SendNoteOff(uint8_t Key, uint8_t Velocity) { |
498 |
schoenebeck |
246 |
Event event = pEventGenerator->CreateEvent(); |
499 |
|
|
event.Type = Event::type_note_off; |
500 |
|
|
event.Param.Note.Key = Key; |
501 |
|
|
event.Param.Note.Velocity = Velocity; |
502 |
schoenebeck |
53 |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
503 |
|
|
else dmsg(1,("Engine: Input event queue full!")); |
504 |
|
|
} |
505 |
|
|
|
506 |
|
|
/** |
507 |
|
|
* Will be called by the MIDIIn Thread to signal the audio thread to change |
508 |
|
|
* the pitch value for all voices. |
509 |
|
|
* |
510 |
|
|
* @param Pitch - MIDI pitch value (-8192 ... +8191) |
511 |
|
|
*/ |
512 |
|
|
void Engine::SendPitchbend(int Pitch) { |
513 |
schoenebeck |
246 |
Event event = pEventGenerator->CreateEvent(); |
514 |
|
|
event.Type = Event::type_pitchbend; |
515 |
|
|
event.Param.Pitch.Pitch = Pitch; |
516 |
schoenebeck |
53 |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
517 |
|
|
else dmsg(1,("Engine: Input event queue full!")); |
518 |
|
|
} |
519 |
|
|
|
520 |
|
|
/** |
521 |
|
|
* Will be called by the MIDIIn Thread to signal the audio thread that a |
522 |
|
|
* continuous controller value has changed. |
523 |
|
|
* |
524 |
|
|
* @param Controller - MIDI controller number of the occured control change |
525 |
|
|
* @param Value - value of the control change |
526 |
|
|
*/ |
527 |
|
|
void Engine::SendControlChange(uint8_t Controller, uint8_t Value) { |
528 |
schoenebeck |
246 |
Event event = pEventGenerator->CreateEvent(); |
529 |
|
|
event.Type = Event::type_control_change; |
530 |
|
|
event.Param.CC.Controller = Controller; |
531 |
|
|
event.Param.CC.Value = Value; |
532 |
schoenebeck |
53 |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
533 |
|
|
else dmsg(1,("Engine: Input event queue full!")); |
534 |
|
|
} |
535 |
|
|
|
536 |
|
|
/** |
537 |
schoenebeck |
244 |
* Will be called by the MIDI input device whenever a MIDI system |
538 |
|
|
* exclusive message has arrived. |
539 |
|
|
* |
540 |
|
|
* @param pData - pointer to sysex data |
541 |
|
|
* @param Size - lenght of sysex data (in bytes) |
542 |
|
|
*/ |
543 |
|
|
void Engine::SendSysex(void* pData, uint Size) { |
544 |
schoenebeck |
246 |
Event event = pEventGenerator->CreateEvent(); |
545 |
|
|
event.Type = Event::type_sysex; |
546 |
|
|
event.Param.Sysex.Size = Size; |
547 |
schoenebeck |
244 |
if (pEventQueue->write_space() > 0) { |
548 |
|
|
if (pSysexBuffer->write_space() >= Size) { |
549 |
|
|
// copy sysex data to input buffer |
550 |
|
|
uint toWrite = Size; |
551 |
|
|
uint8_t* pPos = (uint8_t*) pData; |
552 |
|
|
while (toWrite) { |
553 |
|
|
const uint writeNow = RTMath::Min(toWrite, pSysexBuffer->write_space_to_end()); |
554 |
|
|
pSysexBuffer->write(pPos, writeNow); |
555 |
|
|
toWrite -= writeNow; |
556 |
|
|
pPos += writeNow; |
557 |
|
|
|
558 |
|
|
} |
559 |
|
|
// finally place sysex event into input event queue |
560 |
|
|
pEventQueue->push(&event); |
561 |
|
|
} |
562 |
|
|
else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,SYSEX_BUFFER_SIZE)); |
563 |
|
|
} |
564 |
|
|
else dmsg(1,("Engine: Input event queue full!")); |
565 |
|
|
} |
566 |
|
|
|
567 |
|
|
/** |
568 |
schoenebeck |
53 |
* Assigns and triggers a new voice for the respective MIDI key. |
569 |
|
|
* |
570 |
|
|
* @param pNoteOnEvent - key, velocity and time stamp of the event |
571 |
|
|
*/ |
572 |
|
|
void Engine::ProcessNoteOn(Event* pNoteOnEvent) { |
573 |
schoenebeck |
246 |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Param.Note.Key]; |
574 |
schoenebeck |
53 |
|
575 |
|
|
pKey->KeyPressed = true; // the MIDI key was now pressed down |
576 |
|
|
|
577 |
|
|
// cancel release process of voices on this key if needed |
578 |
|
|
if (pKey->Active && !SustainPedal) { |
579 |
schoenebeck |
239 |
Event* pCancelReleaseEvent = pKey->pEvents->alloc(); |
580 |
|
|
if (pCancelReleaseEvent) { |
581 |
|
|
*pCancelReleaseEvent = *pNoteOnEvent; |
582 |
|
|
pCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type |
583 |
|
|
} |
584 |
|
|
else dmsg(1,("Event pool emtpy!\n")); |
585 |
schoenebeck |
53 |
} |
586 |
|
|
|
587 |
schoenebeck |
233 |
// allocate and trigger a new voice for the key |
588 |
|
|
LaunchVoice(pNoteOnEvent); |
589 |
schoenebeck |
239 |
|
590 |
|
|
// finally move note on event to the key's own event list |
591 |
|
|
pEvents->move(pNoteOnEvent, pKey->pEvents); |
592 |
schoenebeck |
53 |
} |
593 |
|
|
|
594 |
|
|
/** |
595 |
|
|
* Releases the voices on the given key if sustain pedal is not pressed. |
596 |
|
|
* If sustain is pressed, the release of the note will be postponed until |
597 |
|
|
* sustain pedal will be released or voice turned inactive by itself (e.g. |
598 |
|
|
* due to completion of sample playback). |
599 |
|
|
* |
600 |
|
|
* @param pNoteOffEvent - key, velocity and time stamp of the event |
601 |
|
|
*/ |
602 |
|
|
void Engine::ProcessNoteOff(Event* pNoteOffEvent) { |
603 |
schoenebeck |
246 |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOffEvent->Param.Note.Key]; |
604 |
schoenebeck |
53 |
|
605 |
|
|
pKey->KeyPressed = false; // the MIDI key was now released |
606 |
|
|
|
607 |
|
|
// release voices on this key if needed |
608 |
|
|
if (pKey->Active && !SustainPedal) { |
609 |
|
|
pNoteOffEvent->Type = Event::type_release; // transform event type |
610 |
|
|
} |
611 |
schoenebeck |
242 |
|
612 |
|
|
// spawn release triggered voice(s) if needed |
613 |
|
|
if (pKey->ReleaseTrigger) { |
614 |
|
|
LaunchVoice(pNoteOffEvent, 0, true); |
615 |
|
|
pKey->ReleaseTrigger = false; |
616 |
|
|
} |
617 |
|
|
|
618 |
|
|
// move event to the key's own event list |
619 |
|
|
pEvents->move(pNoteOffEvent, pKey->pEvents); |
620 |
schoenebeck |
53 |
} |
621 |
|
|
|
622 |
|
|
/** |
623 |
|
|
* Moves pitchbend event from the general (input) event list to the pitch |
624 |
|
|
* event list. |
625 |
|
|
* |
626 |
|
|
* @param pPitchbendEvent - absolute pitch value and time stamp of the event |
627 |
|
|
*/ |
628 |
|
|
void Engine::ProcessPitchbend(Event* pPitchbendEvent) { |
629 |
schoenebeck |
246 |
this->Pitch = pPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
630 |
schoenebeck |
53 |
pEvents->move(pPitchbendEvent, pSynthesisEvents[Event::destination_vco]); |
631 |
|
|
} |
632 |
|
|
|
633 |
|
|
/** |
634 |
schoenebeck |
233 |
* Allocates and triggers a new voice. This method will usually be |
635 |
|
|
* called by the ProcessNoteOn() method and by the voices itself |
636 |
|
|
* (e.g. to spawn further voices on the same key for layered sounds). |
637 |
|
|
* |
638 |
schoenebeck |
242 |
* @param pNoteOnEvent - key, velocity and time stamp of the event |
639 |
|
|
* @param iLayer - layer index for the new voice (optional - only |
640 |
|
|
* in case of layered sounds of course) |
641 |
|
|
* @param ReleaseTriggerVoice - if new voice is a release triggered voice |
642 |
|
|
* (optional, default = false) |
643 |
schoenebeck |
233 |
*/ |
644 |
schoenebeck |
242 |
void Engine::LaunchVoice(Event* pNoteOnEvent, int iLayer, bool ReleaseTriggerVoice) { |
645 |
schoenebeck |
246 |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Param.Note.Key]; |
646 |
schoenebeck |
233 |
|
647 |
|
|
// allocate a new voice for the key |
648 |
|
|
Voice* pNewVoice = pKey->pActiveVoices->alloc(); |
649 |
|
|
if (pNewVoice) { |
650 |
|
|
// launch the new voice |
651 |
schoenebeck |
242 |
if (pNewVoice->Trigger(pNoteOnEvent, this->Pitch, this->pInstrument, iLayer, ReleaseTriggerVoice) < 0) { |
652 |
schoenebeck |
233 |
dmsg(1,("Triggering new voice failed!\n")); |
653 |
|
|
pKey->pActiveVoices->free(pNewVoice); |
654 |
|
|
} |
655 |
schoenebeck |
239 |
else { // on success |
656 |
|
|
uint** ppKeyGroup = NULL; |
657 |
|
|
if (pNewVoice->KeyGroup) { // if this voice / key belongs to a key group |
658 |
|
|
ppKeyGroup = &ActiveKeyGroups[pNewVoice->KeyGroup]; |
659 |
|
|
if (*ppKeyGroup) { // if there's already an active key in that key group |
660 |
|
|
midi_key_info_t* pOtherKey = &pMIDIKeyInfo[**ppKeyGroup]; |
661 |
|
|
// kill all voices on the (other) key |
662 |
|
|
Voice* pVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
663 |
schoenebeck |
242 |
while (pVoiceToBeKilled) { |
664 |
|
|
Voice* pVoiceToBeKilledNext = pOtherKey->pActiveVoices->next(); |
665 |
|
|
if (pVoiceToBeKilled->Type != Voice::type_release_trigger) pVoiceToBeKilled->Kill(pNoteOnEvent); |
666 |
|
|
pOtherKey->pActiveVoices->set_current(pVoiceToBeKilled); |
667 |
|
|
pVoiceToBeKilled = pVoiceToBeKilledNext; |
668 |
|
|
} |
669 |
schoenebeck |
239 |
} |
670 |
|
|
} |
671 |
|
|
if (!pKey->Active) { // mark as active key |
672 |
|
|
pKey->Active = true; |
673 |
|
|
pKey->pSelf = pActiveKeys->alloc(); |
674 |
schoenebeck |
246 |
*pKey->pSelf = pNoteOnEvent->Param.Note.Key; |
675 |
schoenebeck |
239 |
} |
676 |
|
|
if (pNewVoice->KeyGroup) { |
677 |
|
|
*ppKeyGroup = pKey->pSelf; // put key as the (new) active key to its key group |
678 |
|
|
} |
679 |
schoenebeck |
242 |
if (pNewVoice->Type == Voice::type_release_trigger_required) pKey->ReleaseTrigger = true; // mark key for the need of release triggered voice(s) |
680 |
schoenebeck |
233 |
} |
681 |
|
|
} |
682 |
|
|
else std::cerr << "No free voice!" << std::endl << std::flush; |
683 |
|
|
} |
684 |
|
|
|
685 |
|
|
/** |
686 |
schoenebeck |
53 |
* Immediately kills the voice given with pVoice (no matter if sustain is |
687 |
|
|
* pressed or not) and removes it from the MIDI key's list of active voice. |
688 |
|
|
* This method will e.g. be called if a voice went inactive by itself. |
689 |
|
|
* |
690 |
|
|
* @param pVoice - points to the voice to be killed |
691 |
|
|
*/ |
692 |
schoenebeck |
239 |
void Engine::KillVoiceImmediately(Voice* pVoice) { |
693 |
schoenebeck |
53 |
if (pVoice) { |
694 |
schoenebeck |
239 |
if (pVoice->IsActive()) pVoice->KillImmediately(); |
695 |
schoenebeck |
53 |
|
696 |
|
|
midi_key_info_t* pKey = &pMIDIKeyInfo[pVoice->MIDIKey]; |
697 |
|
|
|
698 |
|
|
// free the voice object |
699 |
|
|
pVoicePool->free(pVoice); |
700 |
|
|
|
701 |
|
|
// check if there are no voices left on the MIDI key and update the key info if so |
702 |
|
|
if (pKey->pActiveVoices->is_empty()) { |
703 |
schoenebeck |
239 |
if (pVoice->KeyGroup) { // if voice / key belongs to a key group |
704 |
|
|
uint** ppKeyGroup = &ActiveKeyGroups[pVoice->KeyGroup]; |
705 |
|
|
if (*ppKeyGroup == pKey->pSelf) *ppKeyGroup = NULL; // remove key from key group |
706 |
|
|
} |
707 |
schoenebeck |
53 |
pKey->Active = false; |
708 |
|
|
pActiveKeys->free(pKey->pSelf); // remove key from list of active keys |
709 |
|
|
pKey->pSelf = NULL; |
710 |
schoenebeck |
242 |
pKey->ReleaseTrigger = false; |
711 |
schoenebeck |
53 |
dmsg(3,("Key has no more voices now\n")); |
712 |
|
|
} |
713 |
|
|
} |
714 |
|
|
else std::cerr << "Couldn't release voice! (pVoice == NULL)\n" << std::flush; |
715 |
|
|
} |
716 |
|
|
|
717 |
|
|
/** |
718 |
|
|
* Reacts on supported control change commands (e.g. pitch bend wheel, |
719 |
|
|
* modulation wheel, aftertouch). |
720 |
|
|
* |
721 |
|
|
* @param pControlChangeEvent - controller, value and time stamp of the event |
722 |
|
|
*/ |
723 |
|
|
void Engine::ProcessControlChange(Event* pControlChangeEvent) { |
724 |
schoenebeck |
246 |
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", pControlChangeEvent->Param.CC.Controller, pControlChangeEvent->Param.CC.Value)); |
725 |
schoenebeck |
53 |
|
726 |
schoenebeck |
246 |
switch (pControlChangeEvent->Param.CC.Controller) { |
727 |
schoenebeck |
53 |
case 64: { |
728 |
schoenebeck |
246 |
if (pControlChangeEvent->Param.CC.Value >= 64 && !SustainPedal) { |
729 |
schoenebeck |
53 |
dmsg(4,("PEDAL DOWN\n")); |
730 |
|
|
SustainPedal = true; |
731 |
|
|
|
732 |
|
|
// cancel release process of voices if necessary |
733 |
|
|
uint* piKey = pActiveKeys->first(); |
734 |
|
|
if (piKey) { |
735 |
|
|
pControlChangeEvent->Type = Event::type_cancel_release; // transform event type |
736 |
|
|
while (piKey) { |
737 |
|
|
midi_key_info_t* pKey = &pMIDIKeyInfo[*piKey]; |
738 |
|
|
pActiveKeys->set_current(piKey); |
739 |
|
|
piKey = pActiveKeys->next(); |
740 |
|
|
if (!pKey->KeyPressed) { |
741 |
|
|
Event* pNewEvent = pKey->pEvents->alloc(); |
742 |
|
|
if (pNewEvent) *pNewEvent = *pControlChangeEvent; // copy event to the key's own event list |
743 |
|
|
else dmsg(1,("Event pool emtpy!\n")); |
744 |
|
|
} |
745 |
|
|
} |
746 |
|
|
} |
747 |
|
|
} |
748 |
schoenebeck |
246 |
if (pControlChangeEvent->Param.CC.Value < 64 && SustainPedal) { |
749 |
schoenebeck |
53 |
dmsg(4,("PEDAL UP\n")); |
750 |
|
|
SustainPedal = false; |
751 |
|
|
|
752 |
|
|
// release voices if their respective key is not pressed |
753 |
|
|
uint* piKey = pActiveKeys->first(); |
754 |
|
|
if (piKey) { |
755 |
|
|
pControlChangeEvent->Type = Event::type_release; // transform event type |
756 |
|
|
while (piKey) { |
757 |
|
|
midi_key_info_t* pKey = &pMIDIKeyInfo[*piKey]; |
758 |
|
|
pActiveKeys->set_current(piKey); |
759 |
|
|
piKey = pActiveKeys->next(); |
760 |
|
|
if (!pKey->KeyPressed) { |
761 |
|
|
Event* pNewEvent = pKey->pEvents->alloc(); |
762 |
|
|
if (pNewEvent) *pNewEvent = *pControlChangeEvent; // copy event to the key's own event list |
763 |
|
|
else dmsg(1,("Event pool emtpy!\n")); |
764 |
|
|
} |
765 |
|
|
} |
766 |
|
|
} |
767 |
|
|
} |
768 |
|
|
break; |
769 |
|
|
} |
770 |
|
|
} |
771 |
|
|
|
772 |
|
|
// update controller value in the engine's controller table |
773 |
schoenebeck |
246 |
ControllerTable[pControlChangeEvent->Param.CC.Controller] = pControlChangeEvent->Param.CC.Value; |
774 |
schoenebeck |
53 |
|
775 |
|
|
// move event from the unsorted event list to the control change event list |
776 |
|
|
pEvents->move(pControlChangeEvent, pCCEvents); |
777 |
|
|
} |
778 |
|
|
|
779 |
|
|
/** |
780 |
schoenebeck |
244 |
* Reacts on MIDI system exclusive messages. |
781 |
|
|
* |
782 |
|
|
* @param pSysexEvent - sysex data size and time stamp of the sysex event |
783 |
|
|
*/ |
784 |
|
|
void Engine::ProcessSysex(Event* pSysexEvent) { |
785 |
|
|
RingBuffer<uint8_t>::NonVolatileReader reader = pSysexBuffer->get_non_volatile_reader(); |
786 |
|
|
|
787 |
|
|
uint8_t exclusive_status, id; |
788 |
|
|
if (!reader.pop(&exclusive_status)) goto free_sysex_data; |
789 |
|
|
if (!reader.pop(&id)) goto free_sysex_data; |
790 |
|
|
if (exclusive_status != 0xF0) goto free_sysex_data; |
791 |
|
|
|
792 |
|
|
switch (id) { |
793 |
|
|
case 0x41: { // Roland |
794 |
|
|
uint8_t device_id, model_id, cmd_id; |
795 |
|
|
if (!reader.pop(&device_id)) goto free_sysex_data; |
796 |
|
|
if (!reader.pop(&model_id)) goto free_sysex_data; |
797 |
|
|
if (!reader.pop(&cmd_id)) goto free_sysex_data; |
798 |
|
|
if (model_id != 0x42 /*GS*/) goto free_sysex_data; |
799 |
|
|
if (cmd_id != 0x12 /*DT1*/) goto free_sysex_data; |
800 |
|
|
|
801 |
|
|
// command address |
802 |
|
|
uint8_t addr[3]; // 2 byte addr MSB, followed by 1 byte addr LSB) |
803 |
|
|
const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later |
804 |
|
|
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
805 |
|
|
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
806 |
|
|
} |
807 |
|
|
else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters |
808 |
|
|
} |
809 |
|
|
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1) |
810 |
|
|
switch (addr[3]) { |
811 |
|
|
case 0x40: { // scale tuning |
812 |
|
|
uint8_t scale_tunes[12]; // detuning of all 12 semitones of an octave |
813 |
|
|
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
814 |
|
|
uint8_t checksum; |
815 |
|
|
if (!reader.pop(&checksum)) goto free_sysex_data; |
816 |
|
|
if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data; |
817 |
|
|
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
818 |
|
|
AdjustScale((int8_t*) scale_tunes); |
819 |
|
|
break; |
820 |
|
|
} |
821 |
|
|
} |
822 |
|
|
} |
823 |
|
|
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x20) { // Part Parameters (2) |
824 |
|
|
} |
825 |
|
|
else if (addr[0] == 0x41) { // Drum Setup Parameters |
826 |
|
|
} |
827 |
|
|
break; |
828 |
|
|
} |
829 |
|
|
} |
830 |
|
|
|
831 |
|
|
free_sysex_data: // finally free sysex data |
832 |
schoenebeck |
246 |
pSysexBuffer->increment_read_ptr(pSysexEvent->Param.Sysex.Size); |
833 |
schoenebeck |
244 |
} |
834 |
|
|
|
835 |
|
|
/** |
836 |
|
|
* Calculates the Roland GS sysex check sum. |
837 |
|
|
* |
838 |
|
|
* @param AddrReader - reader which currently points to the first GS |
839 |
|
|
* command address byte of the GS sysex message in |
840 |
|
|
* question |
841 |
|
|
* @param DataSize - size of the GS message data (in bytes) |
842 |
|
|
*/ |
843 |
|
|
uint8_t Engine::GSCheckSum(const RingBuffer<uint8_t>::NonVolatileReader AddrReader, uint DataSize) { |
844 |
|
|
RingBuffer<uint8_t>::NonVolatileReader reader = AddrReader; |
845 |
|
|
uint bytes = 3 /*addr*/ + DataSize; |
846 |
|
|
uint8_t addr_and_data[bytes]; |
847 |
|
|
reader.read(&addr_and_data[0], bytes); |
848 |
|
|
uint8_t sum = 0; |
849 |
|
|
for (uint i = 0; i < bytes; i++) sum += addr_and_data[i]; |
850 |
|
|
return 128 - sum % 128; |
851 |
|
|
} |
852 |
|
|
|
853 |
|
|
/** |
854 |
|
|
* Allows to tune each of the twelve semitones of an octave. |
855 |
|
|
* |
856 |
|
|
* @param ScaleTunes - detuning of all twelve semitones (in cents) |
857 |
|
|
*/ |
858 |
|
|
void Engine::AdjustScale(int8_t ScaleTunes[12]) { |
859 |
|
|
memcpy(&this->ScaleTuning[0], &ScaleTunes[0], 12); //TODO: currently not sample accurate |
860 |
|
|
} |
861 |
|
|
|
862 |
|
|
/** |
863 |
schoenebeck |
53 |
* Initialize the parameter sequence for the modulation destination given by |
864 |
|
|
* by 'dst' with the constant value given by val. |
865 |
|
|
*/ |
866 |
|
|
void Engine::ResetSynthesisParameters(Event::destination_t dst, float val) { |
867 |
|
|
int maxsamples = pAudioOutputDevice->MaxSamplesPerCycle(); |
868 |
schoenebeck |
80 |
float* m = &pSynthesisParameters[dst][0]; |
869 |
|
|
for (int i = 0; i < maxsamples; i += 4) { |
870 |
|
|
m[i] = val; |
871 |
|
|
m[i+1] = val; |
872 |
|
|
m[i+2] = val; |
873 |
|
|
m[i+3] = val; |
874 |
|
|
} |
875 |
schoenebeck |
53 |
} |
876 |
|
|
|
877 |
|
|
float Engine::Volume() { |
878 |
|
|
return GlobalVolume; |
879 |
|
|
} |
880 |
|
|
|
881 |
|
|
void Engine::Volume(float f) { |
882 |
|
|
GlobalVolume = f; |
883 |
|
|
} |
884 |
|
|
|
885 |
schoenebeck |
225 |
uint Engine::Channels() { |
886 |
|
|
return 2; |
887 |
|
|
} |
888 |
|
|
|
889 |
|
|
void Engine::SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel) { |
890 |
|
|
AudioChannel* pChannel = pAudioOutputDevice->Channel(AudioDeviceChannel); |
891 |
|
|
if (!pChannel) throw AudioOutputException("Invalid audio output device channel " + ToString(AudioDeviceChannel)); |
892 |
|
|
switch (EngineAudioChannel) { |
893 |
|
|
case 0: // left output channel |
894 |
|
|
pOutputLeft = pChannel->Buffer(); |
895 |
|
|
AudioDeviceChannelLeft = AudioDeviceChannel; |
896 |
|
|
break; |
897 |
|
|
case 1: // right output channel |
898 |
|
|
pOutputRight = pChannel->Buffer(); |
899 |
|
|
AudioDeviceChannelRight = AudioDeviceChannel; |
900 |
|
|
break; |
901 |
|
|
default: |
902 |
|
|
throw AudioOutputException("Invalid engine audio channel " + ToString(EngineAudioChannel)); |
903 |
|
|
} |
904 |
|
|
} |
905 |
|
|
|
906 |
|
|
int Engine::OutputChannel(uint EngineAudioChannel) { |
907 |
|
|
switch (EngineAudioChannel) { |
908 |
|
|
case 0: // left channel |
909 |
|
|
return AudioDeviceChannelLeft; |
910 |
|
|
case 1: // right channel |
911 |
|
|
return AudioDeviceChannelRight; |
912 |
|
|
default: |
913 |
|
|
throw AudioOutputException("Invalid engine audio channel " + ToString(EngineAudioChannel)); |
914 |
|
|
} |
915 |
|
|
} |
916 |
|
|
|
917 |
schoenebeck |
53 |
uint Engine::VoiceCount() { |
918 |
|
|
return ActiveVoiceCount; |
919 |
|
|
} |
920 |
|
|
|
921 |
|
|
uint Engine::VoiceCountMax() { |
922 |
|
|
return ActiveVoiceCountMax; |
923 |
|
|
} |
924 |
|
|
|
925 |
|
|
bool Engine::DiskStreamSupported() { |
926 |
|
|
return true; |
927 |
|
|
} |
928 |
|
|
|
929 |
|
|
uint Engine::DiskStreamCount() { |
930 |
|
|
return (pDiskThread) ? pDiskThread->ActiveStreamCount : 0; |
931 |
|
|
} |
932 |
|
|
|
933 |
|
|
uint Engine::DiskStreamCountMax() { |
934 |
|
|
return (pDiskThread) ? pDiskThread->ActiveStreamCountMax : 0; |
935 |
|
|
} |
936 |
|
|
|
937 |
|
|
String Engine::DiskStreamBufferFillBytes() { |
938 |
|
|
return pDiskThread->GetBufferFillBytes(); |
939 |
|
|
} |
940 |
|
|
|
941 |
|
|
String Engine::DiskStreamBufferFillPercentage() { |
942 |
|
|
return pDiskThread->GetBufferFillPercentage(); |
943 |
|
|
} |
944 |
|
|
|
945 |
senkov |
112 |
String Engine::EngineName() { |
946 |
|
|
return "GigEngine"; |
947 |
|
|
} |
948 |
|
|
|
949 |
|
|
String Engine::InstrumentFileName() { |
950 |
|
|
return InstrumentFile; |
951 |
|
|
} |
952 |
|
|
|
953 |
|
|
int Engine::InstrumentIndex() { |
954 |
|
|
return InstrumentIdx; |
955 |
|
|
} |
956 |
|
|
|
957 |
capela |
133 |
int Engine::InstrumentStatus() { |
958 |
|
|
return InstrumentStat; |
959 |
|
|
} |
960 |
|
|
|
961 |
schoenebeck |
53 |
String Engine::Description() { |
962 |
|
|
return "Gigasampler Engine"; |
963 |
|
|
} |
964 |
|
|
|
965 |
|
|
String Engine::Version() { |
966 |
schoenebeck |
246 |
String s = "$Revision: 1.13 $"; |
967 |
schoenebeck |
123 |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
968 |
schoenebeck |
53 |
} |
969 |
|
|
|
970 |
|
|
}} // namespace LinuxSampler::gig |