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#include "Engine.h" |
#include "Engine.h" |
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#if defined(__APPLE__) |
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# include <stdlib.h> |
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#else |
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# include <malloc.h> |
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#endif |
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namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
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34 |
InstrumentResourceManager Engine::instruments; |
InstrumentResourceManager Engine::instruments; |
50 |
// check if there's already an engine for the given audio output device |
// check if there's already an engine for the given audio output device |
51 |
if (engines.count(pDevice)) { |
if (engines.count(pDevice)) { |
52 |
dmsg(4,("Using existing gig::Engine.\n")); |
dmsg(4,("Using existing gig::Engine.\n")); |
53 |
pEngine = engines[pDevice]; |
pEngine = engines[pDevice]; |
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} else { // create a new engine (and disk thread) instance for the given audio output device |
} else { // create a new engine (and disk thread) instance for the given audio output device |
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dmsg(4,("Creating new gig::Engine.\n")); |
dmsg(4,("Creating new gig::Engine.\n")); |
56 |
pEngine = (Engine*) EngineFactory::Create("gig"); |
pEngine = (Engine*) EngineFactory::Create("gig"); |
57 |
pEngine->Connect(pDevice); |
pEngine->Connect(pDevice); |
58 |
engines[pDevice] = pEngine; |
engines[pDevice] = pEngine; |
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} |
} |
60 |
// register engine channel to the engine instance |
// register engine channel to the engine instance |
61 |
pEngine->engineChannels.push_back(pChannel); |
pEngine->engineChannels.add(pChannel); |
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// remember index in the ArrayList |
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pChannel->iEngineIndexSelf = pEngine->engineChannels.size() - 1; |
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dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size())); |
dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size())); |
65 |
return pEngine; |
return pEngine; |
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} |
} |
90 |
else dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size())); |
else dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size())); |
91 |
} |
} |
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/** |
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* Constructor |
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*/ |
96 |
Engine::Engine() { |
Engine::Engine() { |
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pAudioOutputDevice = NULL; |
pAudioOutputDevice = NULL; |
98 |
pDiskThread = NULL; |
pDiskThread = NULL; |
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pEventGenerator = NULL; |
pEventGenerator = NULL; |
100 |
pSysexBuffer = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0); |
pSysexBuffer = new RingBuffer<uint8_t>(CONFIG_SYSEX_BUFFER_SIZE, 0); |
101 |
pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0); |
pEventQueue = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0); |
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pEventPool = new Pool<Event>(MAX_EVENTS_PER_FRAGMENT); |
pEventPool = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT); |
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pVoicePool = new Pool<Voice>(MAX_AUDIO_VOICES); |
pVoicePool = new Pool<Voice>(CONFIG_MAX_VOICES); |
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pVoiceStealingQueue = new RTList<Event>(pEventPool); |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
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pEvents = new RTList<Event>(pEventPool); |
pGlobalEvents = new RTList<Event>(pEventPool); |
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pCCEvents = new RTList<Event>(pEventPool); |
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for (uint i = 0; i < Event::destination_count; i++) { |
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pSynthesisEvents[i] = 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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pVoicePool->clear(); |
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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ResetInternal(); |
ResetInternal(); |
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ResetScaleTuning(); |
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} |
} |
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/** |
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* Destructor |
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*/ |
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Engine::~Engine() { |
Engine::~Engine() { |
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if (pDiskThread) { |
if (pDiskThread) { |
120 |
dmsg(1,("Stopping disk thread...")); |
dmsg(1,("Stopping disk thread...")); |
122 |
delete pDiskThread; |
delete pDiskThread; |
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dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
124 |
} |
} |
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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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if (pEvents) delete pEvents; |
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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; |
127 |
if (pVoicePool) { |
if (pVoicePool) { |
129 |
delete pVoicePool; |
delete pVoicePool; |
130 |
} |
} |
131 |
if (pEventGenerator) delete pEventGenerator; |
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]) free(pSynthesisParameters[0]); |
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if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
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if (pSysexBuffer) delete pSysexBuffer; |
if (pSysexBuffer) delete pSysexBuffer; |
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EngineFactory::Destroy(this); |
EngineFactory::Destroy(this); |
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void Engine::Reset() { |
void Engine::Reset() { |
160 |
DisableAndLock(); |
DisableAndLock(); |
161 |
ResetInternal(); |
ResetInternal(); |
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ResetScaleTuning(); |
163 |
Enable(); |
Enable(); |
164 |
} |
} |
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// reset voice stealing parameters |
// reset voice stealing parameters |
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pVoiceStealingQueue->clear(); |
pVoiceStealingQueue->clear(); |
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itLastStolenVoice = RTList<Voice>::Iterator(); |
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// reset to normal chromatic scale (means equal temper) |
itLastStolenVoiceGlobally = RTList<Voice>::Iterator(); |
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memset(&ScaleTuning[0], 0x00, 12); |
iuiLastStolenKey = RTList<uint>::Iterator(); |
179 |
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iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); |
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pLastStolenChannel = 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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// delete all input events |
// delete all input events |
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pEventQueue->init(); |
pEventQueue->init(); |
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} |
} |
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/** |
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* Reset to normal, chromatic scale (means equal tempered). |
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*/ |
198 |
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void Engine::ResetScaleTuning() { |
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memset(&ScaleTuning[0], 0x00, 12); |
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} |
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/** |
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* Connect this engine instance with the given audio output device. |
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* This method will be called when an Engine instance is created. |
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* All of the engine's data structures which are dependant to the used |
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* audio output device / driver will be (re)allocated and / or |
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* adjusted appropriately. |
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* |
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* @param pAudioOut - audio output device to connect to |
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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); |
223 |
} |
} |
224 |
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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) * CONFIG_EG_MIN_RELEASE_TIME) - 1; |
230 |
if (MaxFadeOutPos < 0) |
if (MaxFadeOutPos < 0) { |
231 |
throw LinuxSamplerException("EG_MIN_RELEASE_TIME in EGADSR.h too big for current audio fragment size / sampling rate!"); |
std::cerr << "gig::Engine: WARNING, CONFIG_EG_MIN_RELEASE_TIME " |
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<< "too big for current audio fragment size & sampling rate! " |
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<< "May lead to click sounds if voice stealing chimes in!\n" << std::flush; |
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// force volume ramp downs at the beginning of each fragment |
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MaxFadeOutPos = 0; |
236 |
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// lower minimum release time |
237 |
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const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate; |
238 |
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for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
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iterVoice->EG1.CalculateFadeOutCoeff(minReleaseTime, SampleRate); |
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} |
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pVoicePool->clear(); |
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} |
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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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delete this->pDiskThread; |
delete this->pDiskThread; |
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dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
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} |
} |
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this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo |
this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6); //FIXME: assuming stereo |
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if (!pDiskThread) { |
if (!pDiskThread) { |
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dmsg(0,("gig::Engine new diskthread = NULL\n")); |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
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exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
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if (pEventGenerator) delete pEventGenerator; |
if (pEventGenerator) delete pEventGenerator; |
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pEventGenerator = new EventGenerator(pAudioOut->SampleRate()); |
pEventGenerator = new EventGenerator(pAudioOut->SampleRate()); |
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// (re)allocate synthesis parameter matrix |
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if (pSynthesisParameters[0]) free(pSynthesisParameters[0]); |
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#if defined(__APPLE__) |
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pSynthesisParameters[0] = (float *) malloc(Event::destination_count * sizeof(float) * pAudioOut->MaxSamplesPerCycle()); |
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#else |
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pSynthesisParameters[0] = (float *) memalign(16,(Event::destination_count * sizeof(float) * pAudioOut->MaxSamplesPerCycle())); |
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#endif |
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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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// (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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dmsg(1,("Starting disk thread...")); |
dmsg(1,("Starting disk thread...")); |
268 |
pDiskThread->StartThread(); |
pDiskThread->StartThread(); |
269 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
276 |
} |
} |
277 |
} |
} |
278 |
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279 |
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/** |
280 |
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* Clear all engine global event lists. |
281 |
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*/ |
282 |
void Engine::ClearEventLists() { |
void Engine::ClearEventLists() { |
283 |
pEvents->clear(); |
pGlobalEvents->clear(); |
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pCCEvents->clear(); |
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for (uint i = 0; i < Event::destination_count; i++) { |
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pSynthesisEvents[i]->clear(); |
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} |
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284 |
} |
} |
285 |
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286 |
/** |
/** |
287 |
* Copy all events from the given input queue buffer to the engine's |
* Copy all events from the engine's global input queue buffer to the |
288 |
* internal event list. This will be done at the beginning of each audio |
* engine's internal event list. This will be done at the beginning of |
289 |
* cycle (that is each RenderAudio() call) to get all events which have |
* each audio cycle (that is each RenderAudio() call) to distinguish |
290 |
* to be processed in the current audio cycle. Each EngineChannel has |
* all global events which have to be processed in the current audio |
291 |
* it's own input event queue for the common channel specific events |
* cycle. These events are usually just SysEx messages. Every |
292 |
* (like NoteOn, NoteOff and ControlChange events). Beside that, the |
* EngineChannel has it's own input event queue buffer and event list |
293 |
* engine also has a input event queue for global events (usually SysEx |
* to handle common events like NoteOn, NoteOff and ControlChange |
294 |
* message). |
* events. |
295 |
* |
* |
296 |
* @param pEventQueue - input event buffer to read from |
* @param Samples - number of sample points to be processed in the |
297 |
* @param Samples - number of sample points to be processed in the |
* current audio cycle |
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* current audio cycle |
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298 |
*/ |
*/ |
299 |
void Engine::ImportEvents(RingBuffer<Event>* pEventQueue, uint Samples) { |
void Engine::ImportEvents(uint Samples) { |
300 |
RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader(); |
RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader(); |
301 |
Event* pEvent; |
Event* pEvent; |
302 |
while (true) { |
while (true) { |
310 |
break; |
break; |
311 |
} |
} |
312 |
// copy event to internal event list |
// copy event to internal event list |
313 |
if (pEvents->poolIsEmpty()) { |
if (pGlobalEvents->poolIsEmpty()) { |
314 |
dmsg(1,("Event pool emtpy!\n")); |
dmsg(1,("Event pool emtpy!\n")); |
315 |
break; |
break; |
316 |
} |
} |
317 |
*pEvents->allocAppend() = *pEvent; |
*pGlobalEvents->allocAppend() = *pEvent; |
318 |
} |
} |
319 |
eventQueueReader.free(); // free all copied events from input queue |
eventQueueReader.free(); // free all copied events from input queue |
320 |
} |
} |
321 |
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322 |
/** |
/** |
323 |
* 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 |
341 |
// update time of start and end of this audio fragment (as events' time stamps relate to this) |
// update time of start and end of this audio fragment (as events' time stamps relate to this) |
342 |
pEventGenerator->UpdateFragmentTime(Samples); |
pEventGenerator->UpdateFragmentTime(Samples); |
343 |
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344 |
// empty the engine's event lists for the new fragment |
// We only allow a maximum of CONFIG_MAX_VOICES voices to be spawned |
345 |
ClearEventLists(); |
// in each audio fragment. All subsequent request for spawning new |
346 |
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// voices in the same audio fragment will be ignored. |
347 |
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VoiceSpawnsLeft = CONFIG_MAX_VOICES; |
348 |
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349 |
// get all events from the engine's global input event queue which belong to the current fragment |
// get all events from the engine's global input event queue which belong to the current fragment |
350 |
// (these are usually just SysEx messages) |
// (these are usually just SysEx messages) |
351 |
ImportEvents(this->pEventQueue, Samples); |
ImportEvents(Samples); |
352 |
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353 |
// process engine global events (these are currently only MIDI System Exclusive messages) |
// process engine global events (these are currently only MIDI System Exclusive messages) |
354 |
{ |
{ |
355 |
RTList<Event>::Iterator itEvent = pEvents->first(); |
RTList<Event>::Iterator itEvent = pGlobalEvents->first(); |
356 |
RTList<Event>::Iterator end = pEvents->end(); |
RTList<Event>::Iterator end = pGlobalEvents->end(); |
357 |
for (; itEvent != end; ++itEvent) { |
for (; itEvent != end; ++itEvent) { |
358 |
switch (itEvent->Type) { |
switch (itEvent->Type) { |
359 |
case Event::type_sysex: |
case Event::type_sysex: |
367 |
// reset internal voice counter (just for statistic of active voices) |
// reset internal voice counter (just for statistic of active voices) |
368 |
ActiveVoiceCountTemp = 0; |
ActiveVoiceCountTemp = 0; |
369 |
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370 |
// render audio for all engine channels |
// handle events on all engine channels |
371 |
// TODO: should we make voice stealing engine globally? unfortunately this would mean other disadvantages so I left voice stealing in the engine channel space for now |
for (int i = 0; i < engineChannels.size(); i++) { |
372 |
{ |
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
373 |
std::list<EngineChannel*>::iterator itChannel = engineChannels.begin(); |
ProcessEvents(engineChannels[i], Samples); |
374 |
std::list<EngineChannel*>::iterator end = engineChannels.end(); |
} |
375 |
for (; itChannel != end; itChannel++) { |
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376 |
if (!(*itChannel)->pInstrument) continue; // ignore if no instrument loaded |
// render all 'normal', active voices on all engine channels |
377 |
RenderAudio(*itChannel, Samples); |
for (int i = 0; i < engineChannels.size(); i++) { |
378 |
} |
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
379 |
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RenderActiveVoices(engineChannels[i], Samples); |
380 |
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} |
381 |
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382 |
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// now that all ordinary voices on ALL engine channels are rendered, render new stolen voices |
383 |
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RenderStolenVoices(Samples); |
384 |
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385 |
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// handle cleanup on all engine channels for the next audio fragment |
386 |
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for (int i = 0; i < engineChannels.size(); i++) { |
387 |
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if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
388 |
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PostProcess(engineChannels[i]); |
389 |
} |
} |
390 |
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391 |
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392 |
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// empty the engine's event list for the next audio fragment |
393 |
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ClearEventLists(); |
394 |
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395 |
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// reset voice stealing for the next audio fragment |
396 |
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pVoiceStealingQueue->clear(); |
397 |
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398 |
// just some statistics about this engine instance |
// just some statistics about this engine instance |
399 |
ActiveVoiceCount = ActiveVoiceCountTemp; |
ActiveVoiceCount = ActiveVoiceCountTemp; |
400 |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
401 |
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402 |
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FrameTime += Samples; |
403 |
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404 |
return 0; |
return 0; |
405 |
} |
} |
406 |
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407 |
void Engine::RenderAudio(EngineChannel* pEngineChannel, uint Samples) { |
/** |
408 |
// empty the engine's event lists for the new fragment |
* Dispatch and handle all events in this audio fragment for the given |
409 |
ClearEventLists(); |
* engine channel. |
410 |
// empty the engine channel's, MIDI key specific event lists |
* |
411 |
{ |
* @param pEngineChannel - engine channel on which events should be |
412 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
* processed |
413 |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
* @param Samples - amount of sample points to be processed in |
414 |
for(; iuiKey != end; ++iuiKey) { |
* this audio fragment cycle |
415 |
pEngineChannel->pMIDIKeyInfo[*iuiKey].pEvents->clear(); // free all events on the key |
*/ |
416 |
} |
void Engine::ProcessEvents(EngineChannel* pEngineChannel, uint Samples) { |
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} |
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|
417 |
// get all events from the engine channels's input event queue which belong to the current fragment |
// get all events from the engine channels's input event queue which belong to the current fragment |
418 |
// (these are the common events like NoteOn, NoteOff, ControlChange, etc.) |
// (these are the common events like NoteOn, NoteOff, ControlChange, etc.) |
419 |
ImportEvents(pEngineChannel->pEventQueue, Samples); |
pEngineChannel->ImportEvents(Samples); |
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420 |
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421 |
// process events |
// process events |
422 |
{ |
{ |
423 |
RTList<Event>::Iterator itEvent = pEvents->first(); |
RTList<Event>::Iterator itEvent = pEngineChannel->pEvents->first(); |
424 |
RTList<Event>::Iterator end = pEvents->end(); |
RTList<Event>::Iterator end = pEngineChannel->pEvents->end(); |
425 |
for (; itEvent != end; ++itEvent) { |
for (; itEvent != end; ++itEvent) { |
426 |
switch (itEvent->Type) { |
switch (itEvent->Type) { |
427 |
case Event::type_note_on: |
case Event::type_note_on: |
444 |
} |
} |
445 |
} |
} |
446 |
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447 |
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// reset voice stealing for the next engine channel (or next audio fragment) |
448 |
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itLastStolenVoice = RTList<Voice>::Iterator(); |
449 |
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itLastStolenVoiceGlobally = RTList<Voice>::Iterator(); |
450 |
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iuiLastStolenKey = RTList<uint>::Iterator(); |
451 |
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iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); |
452 |
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pLastStolenChannel = NULL; |
453 |
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} |
454 |
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455 |
// render audio from all active voices |
/** |
456 |
{ |
* Render all 'normal' voices (that is voices which were not stolen in |
457 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
* this fragment) on the given engine channel. |
458 |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
* |
459 |
while (iuiKey != end) { // iterate through all active keys |
* @param pEngineChannel - engine channel on which audio should be |
460 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
* rendered |
461 |
++iuiKey; |
* @param Samples - amount of sample points to be rendered in |
462 |
|
* this audio fragment cycle |
463 |
|
*/ |
464 |
|
void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) { |
465 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
466 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
467 |
|
#endif |
468 |
|
|
469 |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
470 |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
471 |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
while (iuiKey != end) { // iterate through all active keys |
472 |
// now render current voice |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
473 |
itVoice->Render(Samples); |
++iuiKey; |
474 |
if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
|
475 |
else { // voice reached end, is now inactive |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
476 |
FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
477 |
} |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
478 |
|
// now render current voice |
479 |
|
itVoice->Render(Samples); |
480 |
|
if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
481 |
|
else { // voice reached end, is now inactive |
482 |
|
FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices |
483 |
} |
} |
484 |
} |
} |
485 |
} |
} |
486 |
|
} |
487 |
|
|
488 |
|
/** |
489 |
// now render all postponed voices from voice stealing |
* Render all stolen voices (only voices which were stolen in this |
490 |
{ |
* fragment) on the given engine channel. Stolen voices are rendered |
491 |
RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first(); |
* after all normal voices have been rendered; this is needed to render |
492 |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
* audio of those voices which were selected for voice stealing until |
493 |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
* the point were the stealing (that is the take over of the voice) |
494 |
Pool<Voice>::Iterator itNewVoice = |
* actually happened. |
495 |
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
* |
496 |
if (itNewVoice) { |
* @param pEngineChannel - engine channel on which audio should be |
497 |
for (; itNewVoice; itNewVoice = itNewVoice->itChildVoice) { |
* rendered |
498 |
itNewVoice->Render(Samples); |
* @param Samples - amount of sample points to be rendered in |
499 |
if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
* this audio fragment cycle |
500 |
else { // voice reached end, is now inactive |
*/ |
501 |
FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices |
void Engine::RenderStolenVoices(uint Samples) { |
502 |
} |
RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first(); |
503 |
} |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
504 |
|
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
505 |
|
EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel; |
506 |
|
Pool<Voice>::Iterator itNewVoice = |
507 |
|
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false, false); |
508 |
|
if (itNewVoice) { |
509 |
|
itNewVoice->Render(Samples); |
510 |
|
if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
511 |
|
else { // voice reached end, is now inactive |
512 |
|
FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices |
513 |
} |
} |
|
else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n")); |
|
514 |
} |
} |
515 |
|
else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n")); |
516 |
|
|
517 |
|
// we need to clear the key's event list explicitly here in case key was never active |
518 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itVoiceStealEvent->Param.Note.Key]; |
519 |
|
pKey->VoiceTheftsQueued--; |
520 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) pKey->pEvents->clear(); |
521 |
} |
} |
522 |
// reset voice stealing for the new fragment |
} |
|
pVoiceStealingQueue->clear(); |
|
|
pEngineChannel->itLastStolenVoice = RTList<Voice>::Iterator(); |
|
|
pEngineChannel->iuiLastStolenKey = RTList<uint>::Iterator(); |
|
|
|
|
523 |
|
|
524 |
|
/** |
525 |
|
* Free all keys which have turned inactive in this audio fragment, from |
526 |
|
* the list of active keys and clear all event lists on that engine |
527 |
|
* channel. |
528 |
|
* |
529 |
|
* @param pEngineChannel - engine channel to cleanup |
530 |
|
*/ |
531 |
|
void Engine::PostProcess(EngineChannel* pEngineChannel) { |
532 |
// free all keys which have no active voices left |
// free all keys which have no active voices left |
533 |
{ |
{ |
534 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
537 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
538 |
++iuiKey; |
++iuiKey; |
539 |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
540 |
#if DEVMODE |
#if CONFIG_DEVMODE |
541 |
else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging) |
else { // just a sanity check for debugging |
542 |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
543 |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
544 |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
547 |
} |
} |
548 |
} |
} |
549 |
} |
} |
550 |
#endif // DEVMODE |
#endif // CONFIG_DEVMODE |
551 |
} |
} |
552 |
} |
} |
553 |
|
|
554 |
|
// empty the engine channel's own event lists |
555 |
|
pEngineChannel->ClearEventLists(); |
556 |
} |
} |
557 |
|
|
558 |
/** |
/** |
582 |
// finally place sysex event into input event queue |
// finally place sysex event into input event queue |
583 |
pEventQueue->push(&event); |
pEventQueue->push(&event); |
584 |
} |
} |
585 |
else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,SYSEX_BUFFER_SIZE)); |
else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,CONFIG_SYSEX_BUFFER_SIZE)); |
586 |
} |
} |
587 |
else dmsg(1,("Engine: Input event queue full!")); |
else dmsg(1,("Engine: Input event queue full!")); |
588 |
} |
} |
594 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
595 |
*/ |
*/ |
596 |
void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
597 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
598 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
599 |
|
#endif |
600 |
|
|
601 |
const int key = itNoteOnEvent->Param.Note.Key; |
const int key = itNoteOnEvent->Param.Note.Key; |
602 |
|
|
603 |
// Change key dimension value if key is in keyswitching area |
// Change key dimension value if key is in keyswitching area |
611 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
612 |
|
|
613 |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
614 |
|
pKey->Velocity = itNoteOnEvent->Param.Note.Velocity; |
615 |
|
pKey->NoteOnTime = FrameTime + itNoteOnEvent->FragmentPos(); // will be used to calculate note length |
616 |
|
|
617 |
// cancel release process of voices on this key if needed |
// cancel release process of voices on this key if needed |
618 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
627 |
// move note on event to the key's own event list |
// move note on event to the key's own event list |
628 |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
629 |
|
|
630 |
// allocate and trigger a new voice for the key |
// allocate and trigger new voice(s) for the key |
631 |
LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, 0, false, true); |
{ |
632 |
|
// first, get total amount of required voices (dependant on amount of layers) |
633 |
|
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEventOnKeyList->Param.Note.Key); |
634 |
|
if (pRegion) { |
635 |
|
int voicesRequired = pRegion->Layers; |
636 |
|
// now launch the required amount of voices |
637 |
|
for (int i = 0; i < voicesRequired; i++) |
638 |
|
LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true, true); |
639 |
|
} |
640 |
|
} |
641 |
|
|
642 |
|
// if neither a voice was spawned or postponed then remove note on event from key again |
643 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
644 |
|
pKey->pEvents->free(itNoteOnEventOnKeyList); |
645 |
|
|
646 |
|
pKey->RoundRobinIndex++; |
647 |
} |
} |
648 |
|
|
649 |
/** |
/** |
656 |
* @param itNoteOffEvent - key, velocity and time stamp of the event |
* @param itNoteOffEvent - key, velocity and time stamp of the event |
657 |
*/ |
*/ |
658 |
void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) { |
void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) { |
659 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
#if !CONFIG_PROCESS_MUTED_CHANNELS |
660 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
661 |
|
#endif |
662 |
|
|
663 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
664 |
pKey->KeyPressed = false; // the MIDI key was now released |
pKey->KeyPressed = false; // the MIDI key was now released |
665 |
|
|
666 |
// release voices on this key if needed |
// release voices on this key if needed |
667 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
668 |
itNoteOffEvent->Type = Event::type_release; // transform event type |
itNoteOffEvent->Type = Event::type_release; // transform event type |
|
} |
|
669 |
|
|
670 |
// move event to the key's own event list |
// move event to the key's own event list |
671 |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
672 |
|
|
673 |
// spawn release triggered voice(s) if needed |
// spawn release triggered voice(s) if needed |
674 |
if (pKey->ReleaseTrigger) { |
if (pKey->ReleaseTrigger) { |
675 |
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, 0, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
// first, get total amount of required voices (dependant on amount of layers) |
676 |
pKey->ReleaseTrigger = false; |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key); |
677 |
|
if (pRegion) { |
678 |
|
int voicesRequired = pRegion->Layers; |
679 |
|
|
680 |
|
// MIDI note-on velocity is used instead of note-off velocity |
681 |
|
itNoteOffEventOnKeyList->Param.Note.Velocity = pKey->Velocity; |
682 |
|
|
683 |
|
// now launch the required amount of voices |
684 |
|
for (int i = 0; i < voicesRequired; i++) |
685 |
|
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
686 |
|
} |
687 |
|
pKey->ReleaseTrigger = false; |
688 |
|
} |
689 |
|
|
690 |
|
// if neither a voice was spawned or postponed then remove note off event from key again |
691 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
692 |
|
pKey->pEvents->free(itNoteOffEventOnKeyList); |
693 |
} |
} |
694 |
} |
} |
695 |
|
|
696 |
/** |
/** |
697 |
* Moves pitchbend event from the general (input) event list to the pitch |
* Moves pitchbend event from the general (input) event list to the engine |
698 |
* event list. |
* channel's event list. It will actually processed later by the |
699 |
|
* respective voice. |
700 |
* |
* |
701 |
* @param pEngineChannel - engine channel on which this event occured on |
* @param pEngineChannel - engine channel on which this event occured on |
702 |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
703 |
*/ |
*/ |
704 |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
705 |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
706 |
itPitchbendEvent.moveToEndOf(pSynthesisEvents[Event::destination_vco]); |
itPitchbendEvent.moveToEndOf(pEngineChannel->pEvents); |
707 |
} |
} |
708 |
|
|
709 |
/** |
/** |
720 |
* @param VoiceStealing - if voice stealing should be performed |
* @param VoiceStealing - if voice stealing should be performed |
721 |
* when there is no free voice |
* when there is no free voice |
722 |
* (optional, default = true) |
* (optional, default = true) |
723 |
|
* @param HandleKeyGroupConflicts - if voices should be killed due to a |
724 |
|
* key group conflict |
725 |
* @returns pointer to new voice or NULL if there was no free voice or |
* @returns pointer to new voice or NULL if there was no free voice or |
726 |
* if the voice wasn't triggered (for example when no region is |
* if the voice wasn't triggered (for example when no region is |
727 |
* defined for the given key). |
* defined for the given key). |
728 |
*/ |
*/ |
729 |
Pool<Voice>::Iterator Engine::LaunchVoice(EngineChannel* pEngineChannel, 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, bool HandleKeyGroupConflicts) { |
730 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
int MIDIKey = itNoteOnEvent->Param.Note.Key; |
731 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[MIDIKey]; |
732 |
|
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(MIDIKey); |
733 |
|
|
734 |
|
// if nothing defined for this key |
735 |
|
if (!pRegion) return Pool<Voice>::Iterator(); // nothing to do |
736 |
|
|
737 |
|
// only mark the first voice of a layered voice (group) to be in a |
738 |
|
// key group, so the layered voices won't kill each other |
739 |
|
int iKeyGroup = (iLayer == 0 && !ReleaseTriggerVoice) ? pRegion->KeyGroup : 0; |
740 |
|
|
741 |
|
// handle key group (a.k.a. exclusive group) conflicts |
742 |
|
if (HandleKeyGroupConflicts) { |
743 |
|
if (iKeyGroup) { // if this voice / key belongs to a key group |
744 |
|
uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[iKeyGroup]; |
745 |
|
if (*ppKeyGroup) { // if there's already an active key in that key group |
746 |
|
midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[**ppKeyGroup]; |
747 |
|
// kill all voices on the (other) key |
748 |
|
RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
749 |
|
RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
750 |
|
for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
751 |
|
if (itVoiceToBeKilled->Type != Voice::type_release_trigger) { |
752 |
|
itVoiceToBeKilled->Kill(itNoteOnEvent); |
753 |
|
--VoiceSpawnsLeft; //FIXME: just a hack, we should better check in StealVoice() if the voice was killed due to key conflict |
754 |
|
} |
755 |
|
} |
756 |
|
} |
757 |
|
} |
758 |
|
} |
759 |
|
|
760 |
|
Voice::type_t VoiceType = Voice::type_normal; |
761 |
|
|
762 |
|
// get current dimension values to select the right dimension region |
763 |
|
//TODO: for stolen voices this dimension region selection block is processed twice, this should be changed |
764 |
|
//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
765 |
|
uint DimValues[8] = { 0 }; |
766 |
|
for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
767 |
|
switch (pRegion->pDimensionDefinitions[i].dimension) { |
768 |
|
case ::gig::dimension_samplechannel: |
769 |
|
DimValues[i] = 0; //TODO: we currently ignore this dimension |
770 |
|
break; |
771 |
|
case ::gig::dimension_layer: |
772 |
|
DimValues[i] = iLayer; |
773 |
|
break; |
774 |
|
case ::gig::dimension_velocity: |
775 |
|
DimValues[i] = itNoteOnEvent->Param.Note.Velocity; |
776 |
|
break; |
777 |
|
case ::gig::dimension_channelaftertouch: |
778 |
|
DimValues[i] = 0; //TODO: we currently ignore this dimension |
779 |
|
break; |
780 |
|
case ::gig::dimension_releasetrigger: |
781 |
|
VoiceType = (ReleaseTriggerVoice) ? Voice::type_release_trigger : (!iLayer) ? Voice::type_release_trigger_required : Voice::type_normal; |
782 |
|
DimValues[i] = (uint) ReleaseTriggerVoice; |
783 |
|
break; |
784 |
|
case ::gig::dimension_keyboard: |
785 |
|
DimValues[i] = (uint) pEngineChannel->CurrentKeyDimension; |
786 |
|
break; |
787 |
|
case ::gig::dimension_roundrobin: |
788 |
|
DimValues[i] = (uint) pEngineChannel->pMIDIKeyInfo[MIDIKey].RoundRobinIndex; // incremented for each note on |
789 |
|
break; |
790 |
|
case ::gig::dimension_random: |
791 |
|
RandomSeed = RandomSeed * 1103515245 + 12345; // classic pseudo random number generator |
792 |
|
DimValues[i] = (uint) RandomSeed >> (32 - pRegion->pDimensionDefinitions[i].bits); // highest bits are most random |
793 |
|
break; |
794 |
|
case ::gig::dimension_modwheel: |
795 |
|
DimValues[i] = pEngineChannel->ControllerTable[1]; |
796 |
|
break; |
797 |
|
case ::gig::dimension_breath: |
798 |
|
DimValues[i] = pEngineChannel->ControllerTable[2]; |
799 |
|
break; |
800 |
|
case ::gig::dimension_foot: |
801 |
|
DimValues[i] = pEngineChannel->ControllerTable[4]; |
802 |
|
break; |
803 |
|
case ::gig::dimension_portamentotime: |
804 |
|
DimValues[i] = pEngineChannel->ControllerTable[5]; |
805 |
|
break; |
806 |
|
case ::gig::dimension_effect1: |
807 |
|
DimValues[i] = pEngineChannel->ControllerTable[12]; |
808 |
|
break; |
809 |
|
case ::gig::dimension_effect2: |
810 |
|
DimValues[i] = pEngineChannel->ControllerTable[13]; |
811 |
|
break; |
812 |
|
case ::gig::dimension_genpurpose1: |
813 |
|
DimValues[i] = pEngineChannel->ControllerTable[16]; |
814 |
|
break; |
815 |
|
case ::gig::dimension_genpurpose2: |
816 |
|
DimValues[i] = pEngineChannel->ControllerTable[17]; |
817 |
|
break; |
818 |
|
case ::gig::dimension_genpurpose3: |
819 |
|
DimValues[i] = pEngineChannel->ControllerTable[18]; |
820 |
|
break; |
821 |
|
case ::gig::dimension_genpurpose4: |
822 |
|
DimValues[i] = pEngineChannel->ControllerTable[19]; |
823 |
|
break; |
824 |
|
case ::gig::dimension_sustainpedal: |
825 |
|
DimValues[i] = pEngineChannel->ControllerTable[64]; |
826 |
|
break; |
827 |
|
case ::gig::dimension_portamento: |
828 |
|
DimValues[i] = pEngineChannel->ControllerTable[65]; |
829 |
|
break; |
830 |
|
case ::gig::dimension_sostenutopedal: |
831 |
|
DimValues[i] = pEngineChannel->ControllerTable[66]; |
832 |
|
break; |
833 |
|
case ::gig::dimension_softpedal: |
834 |
|
DimValues[i] = pEngineChannel->ControllerTable[67]; |
835 |
|
break; |
836 |
|
case ::gig::dimension_genpurpose5: |
837 |
|
DimValues[i] = pEngineChannel->ControllerTable[80]; |
838 |
|
break; |
839 |
|
case ::gig::dimension_genpurpose6: |
840 |
|
DimValues[i] = pEngineChannel->ControllerTable[81]; |
841 |
|
break; |
842 |
|
case ::gig::dimension_genpurpose7: |
843 |
|
DimValues[i] = pEngineChannel->ControllerTable[82]; |
844 |
|
break; |
845 |
|
case ::gig::dimension_genpurpose8: |
846 |
|
DimValues[i] = pEngineChannel->ControllerTable[83]; |
847 |
|
break; |
848 |
|
case ::gig::dimension_effect1depth: |
849 |
|
DimValues[i] = pEngineChannel->ControllerTable[91]; |
850 |
|
break; |
851 |
|
case ::gig::dimension_effect2depth: |
852 |
|
DimValues[i] = pEngineChannel->ControllerTable[92]; |
853 |
|
break; |
854 |
|
case ::gig::dimension_effect3depth: |
855 |
|
DimValues[i] = pEngineChannel->ControllerTable[93]; |
856 |
|
break; |
857 |
|
case ::gig::dimension_effect4depth: |
858 |
|
DimValues[i] = pEngineChannel->ControllerTable[94]; |
859 |
|
break; |
860 |
|
case ::gig::dimension_effect5depth: |
861 |
|
DimValues[i] = pEngineChannel->ControllerTable[95]; |
862 |
|
break; |
863 |
|
case ::gig::dimension_none: |
864 |
|
std::cerr << "gig::Engine::LaunchVoice() Error: dimension=none\n" << std::flush; |
865 |
|
break; |
866 |
|
default: |
867 |
|
std::cerr << "gig::Engine::LaunchVoice() Error: Unknown dimension\n" << std::flush; |
868 |
|
} |
869 |
|
} |
870 |
|
::gig::DimensionRegion* pDimRgn = pRegion->GetDimensionRegionByValue(DimValues); |
871 |
|
|
872 |
|
// no need to continue if sample is silent |
873 |
|
if (!pDimRgn->pSample || !pDimRgn->pSample->SamplesTotal) return Pool<Voice>::Iterator(); |
874 |
|
|
875 |
// allocate a new voice for the key |
// allocate a new voice for the key |
876 |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
877 |
if (itNewVoice) { |
if (itNewVoice) { |
878 |
// launch the new voice |
// launch the new voice |
879 |
if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pEngineChannel->pInstrument, iLayer, ReleaseTriggerVoice, VoiceStealing) < 0) { |
if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pDimRgn, VoiceType, iKeyGroup) < 0) { |
880 |
dmsg(4,("Voice not triggered\n")); |
dmsg(4,("Voice not triggered\n")); |
881 |
pKey->pActiveVoices->free(itNewVoice); |
pKey->pActiveVoices->free(itNewVoice); |
882 |
} |
} |
883 |
else { // on success |
else { // on success |
884 |
uint** ppKeyGroup = NULL; |
--VoiceSpawnsLeft; |
|
if (itNewVoice->KeyGroup) { // if this voice / key belongs to a key group |
|
|
ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup]; |
|
|
if (*ppKeyGroup) { // if there's already an active key in that key group |
|
|
midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[**ppKeyGroup]; |
|
|
// kill all voices on the (other) key |
|
|
RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
|
|
RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
|
|
for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
|
|
if (itVoiceToBeKilled->Type != Voice::type_release_trigger) itVoiceToBeKilled->Kill(itNoteOnEvent); |
|
|
} |
|
|
} |
|
|
} |
|
885 |
if (!pKey->Active) { // mark as active key |
if (!pKey->Active) { // mark as active key |
886 |
pKey->Active = true; |
pKey->Active = true; |
887 |
pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend(); |
pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend(); |
888 |
*pKey->itSelf = itNoteOnEvent->Param.Note.Key; |
*pKey->itSelf = itNoteOnEvent->Param.Note.Key; |
889 |
} |
} |
890 |
if (itNewVoice->KeyGroup) { |
if (itNewVoice->KeyGroup) { |
891 |
|
uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup]; |
892 |
*ppKeyGroup = &*pKey->itSelf; // put key as the (new) active key to its key group |
*ppKeyGroup = &*pKey->itSelf; // put key as the (new) active key to its key group |
893 |
} |
} |
894 |
if (itNewVoice->Type == Voice::type_release_trigger_required) pKey->ReleaseTrigger = true; // mark key for the need of release triggered voice(s) |
if (itNewVoice->Type == Voice::type_release_trigger_required) pKey->ReleaseTrigger = true; // mark key for the need of release triggered voice(s) |
896 |
} |
} |
897 |
} |
} |
898 |
else if (VoiceStealing) { |
else if (VoiceStealing) { |
899 |
// first, get total amount of required voices (dependant on amount of layers) |
// try to steal one voice |
900 |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key); |
int result = StealVoice(pEngineChannel, itNoteOnEvent); |
901 |
if (!pRegion) return Pool<Voice>::Iterator(); // nothing defined for this MIDI key, so no voice needed |
if (!result) { // voice stolen successfully |
902 |
int voicesRequired = pRegion->Layers; |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
903 |
|
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
904 |
// now steal the (remaining) amount of voices |
if (itStealEvent) { |
905 |
for (int i = iLayer; i < voicesRequired; i++) |
*itStealEvent = *itNoteOnEvent; // copy event |
906 |
StealVoice(pEngineChannel, itNoteOnEvent); |
itStealEvent->Param.Note.Layer = iLayer; |
907 |
|
itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
908 |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
pKey->VoiceTheftsQueued++; |
909 |
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
} |
910 |
if (itStealEvent) { |
else dmsg(1,("Voice stealing queue full!\n")); |
|
*itStealEvent = *itNoteOnEvent; // copy event |
|
|
itStealEvent->Param.Note.Layer = iLayer; |
|
|
itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
|
911 |
} |
} |
|
else dmsg(1,("Voice stealing queue full!\n")); |
|
912 |
} |
} |
913 |
|
|
914 |
return Pool<Voice>::Iterator(); // no free voice or error |
return Pool<Voice>::Iterator(); // no free voice or error |
922 |
* |
* |
923 |
* @param pEngineChannel - engine channel on which this event occured on |
* @param pEngineChannel - engine channel on which this event occured on |
924 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
925 |
|
* @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing |
926 |
*/ |
*/ |
927 |
void Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
928 |
|
if (VoiceSpawnsLeft <= 0) { |
929 |
|
dmsg(1,("Max. voice thefts per audio fragment reached (you may raise CONFIG_MAX_VOICES).\n")); |
930 |
|
return -1; |
931 |
|
} |
932 |
if (!pEventPool->poolIsEmpty()) { |
if (!pEventPool->poolIsEmpty()) { |
933 |
|
|
934 |
RTList<uint>::Iterator iuiOldestKey; |
RTList<Voice>::Iterator itSelectedVoice; |
|
RTList<Voice>::Iterator itOldestVoice; |
|
935 |
|
|
936 |
// Select one voice for voice stealing |
// Select one voice for voice stealing |
937 |
switch (VOICE_STEAL_ALGORITHM) { |
switch (CONFIG_VOICE_STEAL_ALGO) { |
938 |
|
|
939 |
// try to pick the oldest voice on the key where the new |
// try to pick the oldest voice on the key where the new |
940 |
// voice should be spawned, if there is no voice on that |
// voice should be spawned, if there is no voice on that |
941 |
// key, or no voice left to kill there, then procceed with |
// key, or no voice left to kill, then procceed with |
942 |
// 'oldestkey' algorithm |
// 'oldestkey' algorithm |
943 |
case voice_steal_algo_keymask: { |
case voice_steal_algo_oldestvoiceonkey: { |
944 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
945 |
if (pEngineChannel->itLastStolenVoice) { |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
946 |
itOldestVoice = pEngineChannel->itLastStolenVoice; |
// proceed iterating if voice was created in this fragment cycle |
947 |
++itOldestVoice; |
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
948 |
} |
// if we haven't found a voice then proceed with algorithm 'oldestkey' |
949 |
else { // no voice stolen in this audio fragment cycle yet |
if (itSelectedVoice && itSelectedVoice->IsStealable()) break; |
|
itOldestVoice = pOldestKey->pActiveVoices->first(); |
|
|
} |
|
|
if (itOldestVoice) { |
|
|
iuiOldestKey = pOldestKey->itSelf; |
|
|
break; // selection succeeded |
|
|
} |
|
950 |
} // no break - intentional ! |
} // no break - intentional ! |
951 |
|
|
952 |
// try to pick the oldest voice on the oldest active key |
// try to pick the oldest voice on the oldest active key |
953 |
// (caution: must stay after 'keymask' algorithm !) |
// from the same engine channel |
954 |
|
// (caution: must stay after 'oldestvoiceonkey' algorithm !) |
955 |
case voice_steal_algo_oldestkey: { |
case voice_steal_algo_oldestkey: { |
956 |
if (pEngineChannel->itLastStolenVoice) { |
// if we already stole in this fragment, try to proceed on same key |
957 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*pEngineChannel->iuiLastStolenKey]; |
if (this->itLastStolenVoice) { |
958 |
itOldestVoice = pEngineChannel->itLastStolenVoice; |
itSelectedVoice = this->itLastStolenVoice; |
959 |
++itOldestVoice; |
do { |
960 |
if (!itOldestVoice) { |
++itSelectedVoice; |
961 |
iuiOldestKey = pEngineChannel->iuiLastStolenKey; |
} while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle |
962 |
++iuiOldestKey; |
// found a "stealable" voice ? |
963 |
if (iuiOldestKey) { |
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
964 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey]; |
// remember which voice we stole, so we can simply proceed on next voice stealing |
965 |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
this->itLastStolenVoice = itSelectedVoice; |
966 |
} |
break; // selection succeeded |
|
else { |
|
|
dmsg(1,("gig::Engine: Warning, too less voices, even for voice stealing! - Better recompile with higher MAX_AUDIO_VOICES.\n")); |
|
|
return; |
|
|
} |
|
967 |
} |
} |
|
else iuiOldestKey = pEngineChannel->iuiLastStolenKey; |
|
968 |
} |
} |
969 |
else { // no voice stolen in this audio fragment cycle yet |
// get (next) oldest key |
970 |
iuiOldestKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKey) ? ++this->iuiLastStolenKey : pEngineChannel->pActiveKeys->first(); |
971 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey]; |
while (iuiSelectedKey) { |
972 |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
973 |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
974 |
|
// proceed iterating if voice was created in this fragment cycle |
975 |
|
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
976 |
|
// found a "stealable" voice ? |
977 |
|
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
978 |
|
// remember which voice on which key we stole, so we can simply proceed on next voice stealing |
979 |
|
this->iuiLastStolenKey = iuiSelectedKey; |
980 |
|
this->itLastStolenVoice = itSelectedVoice; |
981 |
|
break; // selection succeeded |
982 |
|
} |
983 |
|
++iuiSelectedKey; // get next oldest key |
984 |
} |
} |
985 |
break; |
break; |
986 |
} |
} |
989 |
case voice_steal_algo_none: |
case voice_steal_algo_none: |
990 |
default: { |
default: { |
991 |
dmsg(1,("No free voice (voice stealing disabled)!\n")); |
dmsg(1,("No free voice (voice stealing disabled)!\n")); |
992 |
return; |
return -1; |
993 |
|
} |
994 |
|
} |
995 |
|
|
996 |
|
// if we couldn't steal a voice from the same engine channel then |
997 |
|
// steal oldest voice on the oldest key from any other engine channel |
998 |
|
// (the smaller engine channel number, the higher priority) |
999 |
|
if (!itSelectedVoice || !itSelectedVoice->IsStealable()) { |
1000 |
|
EngineChannel* pSelectedChannel; |
1001 |
|
int iChannelIndex; |
1002 |
|
// select engine channel |
1003 |
|
if (pLastStolenChannel) { |
1004 |
|
pSelectedChannel = pLastStolenChannel; |
1005 |
|
iChannelIndex = pSelectedChannel->iEngineIndexSelf; |
1006 |
|
} else { // pick the engine channel followed by this engine channel |
1007 |
|
iChannelIndex = (pEngineChannel->iEngineIndexSelf + 1) % engineChannels.size(); |
1008 |
|
pSelectedChannel = engineChannels[iChannelIndex]; |
1009 |
|
} |
1010 |
|
|
1011 |
|
// if we already stole in this fragment, try to proceed on same key |
1012 |
|
if (this->itLastStolenVoiceGlobally) { |
1013 |
|
itSelectedVoice = this->itLastStolenVoiceGlobally; |
1014 |
|
do { |
1015 |
|
++itSelectedVoice; |
1016 |
|
} while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle |
1017 |
|
} |
1018 |
|
|
1019 |
|
#if CONFIG_DEVMODE |
1020 |
|
EngineChannel* pBegin = pSelectedChannel; // to detect endless loop |
1021 |
|
#endif // CONFIG_DEVMODE |
1022 |
|
|
1023 |
|
// did we find a 'stealable' voice? |
1024 |
|
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
1025 |
|
// remember which voice we stole, so we can simply proceed on next voice stealing |
1026 |
|
this->itLastStolenVoiceGlobally = itSelectedVoice; |
1027 |
|
} else while (true) { // iterate through engine channels |
1028 |
|
// get (next) oldest key |
1029 |
|
RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKeyGlobally) ? ++this->iuiLastStolenKeyGlobally : pSelectedChannel->pActiveKeys->first(); |
1030 |
|
this->iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); // to prevent endless loop (see line above) |
1031 |
|
while (iuiSelectedKey) { |
1032 |
|
midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
1033 |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
1034 |
|
// proceed iterating if voice was created in this fragment cycle |
1035 |
|
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
1036 |
|
// found a "stealable" voice ? |
1037 |
|
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
1038 |
|
// remember which voice on which key on which engine channel we stole, so we can simply proceed on next voice stealing |
1039 |
|
this->iuiLastStolenKeyGlobally = iuiSelectedKey; |
1040 |
|
this->itLastStolenVoiceGlobally = itSelectedVoice; |
1041 |
|
this->pLastStolenChannel = pSelectedChannel; |
1042 |
|
goto stealable_voice_found; // selection succeeded |
1043 |
|
} |
1044 |
|
++iuiSelectedKey; // get next key on current engine channel |
1045 |
|
} |
1046 |
|
// get next engine channel |
1047 |
|
iChannelIndex = (iChannelIndex + 1) % engineChannels.size(); |
1048 |
|
pSelectedChannel = engineChannels[iChannelIndex]; |
1049 |
|
|
1050 |
|
#if CONFIG_DEVMODE |
1051 |
|
if (pSelectedChannel == pBegin) { |
1052 |
|
dmsg(1,("FATAL ERROR: voice stealing endless loop!\n")); |
1053 |
|
dmsg(1,("VoiceSpawnsLeft=%d.\n", VoiceSpawnsLeft)); |
1054 |
|
dmsg(1,("Exiting.\n")); |
1055 |
|
exit(-1); |
1056 |
|
} |
1057 |
|
#endif // CONFIG_DEVMODE |
1058 |
} |
} |
1059 |
} |
} |
1060 |
|
|
1061 |
//FIXME: can be removed, just a sanity check for debugging |
// jump point if a 'stealable' voice was found |
1062 |
if (!itOldestVoice->IsActive()) dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n")); |
stealable_voice_found: |
1063 |
|
|
1064 |
|
#if CONFIG_DEVMODE |
1065 |
|
if (!itSelectedVoice->IsActive()) { |
1066 |
|
dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n")); |
1067 |
|
return -1; |
1068 |
|
} |
1069 |
|
#endif // CONFIG_DEVMODE |
1070 |
|
|
1071 |
// now kill the selected voice |
// now kill the selected voice |
1072 |
itOldestVoice->Kill(itNoteOnEvent); |
itSelectedVoice->Kill(itNoteOnEvent); |
1073 |
// remember which voice on which key we stole, so we can simply proceed for the next voice stealing |
|
1074 |
pEngineChannel->itLastStolenVoice = itOldestVoice; |
--VoiceSpawnsLeft; |
1075 |
pEngineChannel->iuiLastStolenKey = iuiOldestKey; |
|
1076 |
|
return 0; // success |
1077 |
|
} |
1078 |
|
else { |
1079 |
|
dmsg(1,("Event pool emtpy!\n")); |
1080 |
|
return -1; |
1081 |
} |
} |
|
else dmsg(1,("Event pool emtpy!\n")); |
|
1082 |
} |
} |
1083 |
|
|
1084 |
/** |
/** |
1137 |
void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) { |
void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) { |
1138 |
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)); |
1139 |
|
|
1140 |
switch (itControlChangeEvent->Param.CC.Controller) { |
// update controller value in the engine channel's controller table |
1141 |
|
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
1142 |
|
|
1143 |
|
// move event from the import event list to the engine channel's CC and pitchbend event list |
1144 |
|
Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pEvents); |
1145 |
|
|
1146 |
|
switch (itControlChangeEventOnCCList->Param.CC.Controller) { |
1147 |
case 7: { // volume |
case 7: { // volume |
1148 |
//TODO: not sample accurate yet |
//TODO: not sample accurate yet |
1149 |
pEngineChannel->GlobalVolume = (float) itControlChangeEvent->Param.CC.Value / 127.0f; |
pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f; |
1150 |
|
pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag |
1151 |
break; |
break; |
1152 |
} |
} |
1153 |
case 10: { // panpot |
case 10: { // panpot |
1154 |
//TODO: not sample accurate yet |
//TODO: not sample accurate yet |
1155 |
const int pan = (int) itControlChangeEvent->Param.CC.Value - 64; |
const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64; |
1156 |
pEngineChannel->GlobalPanLeft = 1.0f - float(RTMath::Max(pan, 0)) / 63.0f; |
pEngineChannel->GlobalPanLeft = 1.0f - float(RTMath::Max(pan, 0)) / 63.0f; |
1157 |
pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f; |
pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f; |
1158 |
break; |
break; |
1159 |
} |
} |
1160 |
case 64: { // sustain |
case 64: { // sustain |
1161 |
if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
1162 |
dmsg(4,("PEDAL DOWN\n")); |
dmsg(4,("PEDAL DOWN\n")); |
1163 |
pEngineChannel->SustainPedal = true; |
pEngineChannel->SustainPedal = true; |
1164 |
|
|
1165 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1166 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
1167 |
|
#endif |
1168 |
|
|
1169 |
// cancel release process of voices if necessary |
// cancel release process of voices if necessary |
1170 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1171 |
if (iuiKey) { |
for (; iuiKey; ++iuiKey) { |
1172 |
itControlChangeEvent->Type = Event::type_cancel_release; // transform event type |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1173 |
while (iuiKey) { |
if (!pKey->KeyPressed) { |
1174 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1175 |
++iuiKey; |
if (itNewEvent) { |
1176 |
if (!pKey->KeyPressed) { |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
1177 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
itNewEvent->Type = Event::type_cancel_release; // transform event type |
|
if (itNewEvent) *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
|
|
else dmsg(1,("Event pool emtpy!\n")); |
|
1178 |
} |
} |
1179 |
|
else dmsg(1,("Event pool emtpy!\n")); |
1180 |
} |
} |
1181 |
} |
} |
1182 |
} |
} |
1183 |
if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
1184 |
dmsg(4,("PEDAL UP\n")); |
dmsg(4,("PEDAL UP\n")); |
1185 |
pEngineChannel->SustainPedal = false; |
pEngineChannel->SustainPedal = false; |
1186 |
|
|
1187 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1188 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
1189 |
|
#endif |
1190 |
|
|
1191 |
// release voices if their respective key is not pressed |
// release voices if their respective key is not pressed |
1192 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1193 |
if (iuiKey) { |
for (; iuiKey; ++iuiKey) { |
1194 |
itControlChangeEvent->Type = Event::type_release; // transform event type |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1195 |
while (iuiKey) { |
if (!pKey->KeyPressed) { |
1196 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1197 |
++iuiKey; |
if (itNewEvent) { |
1198 |
if (!pKey->KeyPressed) { |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
1199 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
itNewEvent->Type = Event::type_release; // transform event type |
|
if (itNewEvent) *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
|
|
else dmsg(1,("Event pool emtpy!\n")); |
|
1200 |
} |
} |
1201 |
|
else dmsg(1,("Event pool emtpy!\n")); |
1202 |
} |
} |
1203 |
} |
} |
1204 |
} |
} |
1205 |
break; |
break; |
1206 |
} |
} |
|
} |
|
1207 |
|
|
|
// update controller value in the engine's controller table |
|
|
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
|
1208 |
|
|
1209 |
// move event from the unsorted event list to the control change event list |
// Channel Mode Messages |
1210 |
itControlChangeEvent.moveToEndOf(pCCEvents); |
|
1211 |
|
case 120: { // all sound off |
1212 |
|
KillAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
1213 |
|
break; |
1214 |
|
} |
1215 |
|
case 121: { // reset all controllers |
1216 |
|
pEngineChannel->ResetControllers(); |
1217 |
|
break; |
1218 |
|
} |
1219 |
|
case 123: { // all notes off |
1220 |
|
ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
1221 |
|
break; |
1222 |
|
} |
1223 |
|
} |
1224 |
} |
} |
1225 |
|
|
1226 |
/** |
/** |
1238 |
|
|
1239 |
switch (id) { |
switch (id) { |
1240 |
case 0x41: { // Roland |
case 0x41: { // Roland |
1241 |
|
dmsg(3,("Roland Sysex\n")); |
1242 |
uint8_t device_id, model_id, cmd_id; |
uint8_t device_id, model_id, cmd_id; |
1243 |
if (!reader.pop(&device_id)) goto free_sysex_data; |
if (!reader.pop(&device_id)) goto free_sysex_data; |
1244 |
if (!reader.pop(&model_id)) goto free_sysex_data; |
if (!reader.pop(&model_id)) goto free_sysex_data; |
1251 |
const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later |
const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later |
1252 |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
1253 |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
1254 |
|
dmsg(3,("\tSystem Parameter\n")); |
1255 |
} |
} |
1256 |
else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters |
else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters |
1257 |
|
dmsg(3,("\tCommon Parameter\n")); |
1258 |
} |
} |
1259 |
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1) |
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1) |
1260 |
switch (addr[3]) { |
dmsg(3,("\tPart Parameter\n")); |
1261 |
|
switch (addr[2]) { |
1262 |
case 0x40: { // scale tuning |
case 0x40: { // scale tuning |
1263 |
|
dmsg(3,("\t\tScale Tuning\n")); |
1264 |
uint8_t scale_tunes[12]; // detuning of all 12 semitones of an octave |
uint8_t scale_tunes[12]; // detuning of all 12 semitones of an octave |
1265 |
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
1266 |
uint8_t checksum; |
uint8_t checksum; |
1267 |
if (!reader.pop(&checksum)) goto free_sysex_data; |
if (!reader.pop(&checksum)) goto free_sysex_data; |
1268 |
if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data; |
#if CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
1269 |
|
if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data; |
1270 |
|
#endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
1271 |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
1272 |
AdjustScale((int8_t*) scale_tunes); |
AdjustScale((int8_t*) scale_tunes); |
1273 |
|
dmsg(3,("\t\t\tNew scale applied.\n")); |
1274 |
break; |
break; |
1275 |
} |
} |
1276 |
} |
} |
1315 |
} |
} |
1316 |
|
|
1317 |
/** |
/** |
1318 |
* Initialize the parameter sequence for the modulation destination given by |
* Releases all voices on an engine channel. All voices will go into |
1319 |
* by 'dst' with the constant value given by val. |
* the release stage and thus it might take some time (e.g. dependant to |
1320 |
|
* their envelope release time) until they actually die. |
1321 |
|
* |
1322 |
|
* @param pEngineChannel - engine channel on which all voices should be released |
1323 |
|
* @param itReleaseEvent - event which caused this releasing of all voices |
1324 |
|
*/ |
1325 |
|
void Engine::ReleaseAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itReleaseEvent) { |
1326 |
|
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1327 |
|
while (iuiKey) { |
1328 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1329 |
|
++iuiKey; |
1330 |
|
// append a 'release' event to the key's own event list |
1331 |
|
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1332 |
|
if (itNewEvent) { |
1333 |
|
*itNewEvent = *itReleaseEvent; // copy original event (to the key's event list) |
1334 |
|
itNewEvent->Type = Event::type_release; // transform event type |
1335 |
|
} |
1336 |
|
else dmsg(1,("Event pool emtpy!\n")); |
1337 |
|
} |
1338 |
|
} |
1339 |
|
|
1340 |
|
/** |
1341 |
|
* Kills all voices on an engine channel as soon as possible. Voices |
1342 |
|
* won't get into release state, their volume level will be ramped down |
1343 |
|
* as fast as possible. |
1344 |
|
* |
1345 |
|
* @param pEngineChannel - engine channel on which all voices should be killed |
1346 |
|
* @param itKillEvent - event which caused this killing of all voices |
1347 |
*/ |
*/ |
1348 |
void Engine::ResetSynthesisParameters(Event::destination_t dst, float val) { |
void Engine::KillAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itKillEvent) { |
1349 |
int maxsamples = pAudioOutputDevice->MaxSamplesPerCycle(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1350 |
float* m = &pSynthesisParameters[dst][0]; |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
1351 |
for (int i = 0; i < maxsamples; i += 4) { |
while (iuiKey != end) { // iterate through all active keys |
1352 |
m[i] = val; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1353 |
m[i+1] = val; |
++iuiKey; |
1354 |
m[i+2] = val; |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
1355 |
m[i+3] = val; |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
1356 |
|
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
1357 |
|
itVoice->Kill(itKillEvent); |
1358 |
|
--VoiceSpawnsLeft; //FIXME: just a temporary workaround, we should check the cause in StealVoice() instead |
1359 |
|
} |
1360 |
} |
} |
1361 |
} |
} |
1362 |
|
|
1363 |
uint Engine::VoiceCount() { |
uint Engine::VoiceCount() { |
1364 |
return ActiveVoiceCount; |
return ActiveVoiceCount; |
1389 |
} |
} |
1390 |
|
|
1391 |
String Engine::EngineName() { |
String Engine::EngineName() { |
1392 |
return "GigEngine"; |
return LS_GIG_ENGINE_NAME; |
1393 |
} |
} |
1394 |
|
|
1395 |
String Engine::Description() { |
String Engine::Description() { |
1397 |
} |
} |
1398 |
|
|
1399 |
String Engine::Version() { |
String Engine::Version() { |
1400 |
String s = "$Revision: 1.29 $"; |
String s = "$Revision: 1.52 $"; |
1401 |
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 |
1402 |
} |
} |
1403 |
|
|