2 |
* * |
* * |
3 |
* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005, 2006 Christian Schoenebeck * |
* Copyright (C) 2005-2007 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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]; |
54 |
|
|
55 |
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// Disable the engine while the new engine channel is |
56 |
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// added and initialized. The engine will be enabled again |
57 |
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// in EngineChannel::Connect. |
58 |
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pEngine->DisableAndLock(); |
59 |
} 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 |
60 |
dmsg(4,("Creating new gig::Engine.\n")); |
dmsg(4,("Creating new gig::Engine.\n")); |
61 |
pEngine = (Engine*) EngineFactory::Create("gig"); |
pEngine = (Engine*) EngineFactory::Create("gig"); |
106 |
pEventQueue = new RingBuffer<Event,false>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0); |
pEventQueue = new RingBuffer<Event,false>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0); |
107 |
pEventPool = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT); |
pEventPool = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT); |
108 |
pVoicePool = new Pool<Voice>(CONFIG_MAX_VOICES); |
pVoicePool = new Pool<Voice>(CONFIG_MAX_VOICES); |
109 |
|
pDimRegionsInUse = new ::gig::DimensionRegion*[CONFIG_MAX_VOICES + 1]; |
110 |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
111 |
pGlobalEvents = new RTList<Event>(pEventPool); |
pGlobalEvents = new RTList<Event>(pEventPool); |
112 |
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InstrumentChangeQueue = new RingBuffer<instrument_change_command_t,false>(1, 0); |
113 |
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InstrumentChangeReplyQueue = new RingBuffer<instrument_change_reply_t,false>(1, 0); |
114 |
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|
115 |
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()) { |
116 |
iterVoice->SetEngine(this); |
iterVoice->SetEngine(this); |
117 |
} |
} |
141 |
if (pEventGenerator) delete pEventGenerator; |
if (pEventGenerator) delete pEventGenerator; |
142 |
if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
143 |
if (pSysexBuffer) delete pSysexBuffer; |
if (pSysexBuffer) delete pSysexBuffer; |
144 |
EngineFactory::Destroy(this); |
Unregister(); |
145 |
} |
} |
146 |
|
|
147 |
void Engine::Enable() { |
void Engine::Enable() { |
266 |
delete this->pDiskThread; |
delete this->pDiskThread; |
267 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
268 |
} |
} |
269 |
this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6); //FIXME: assuming stereo |
this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6, //FIXME: assuming stereo |
270 |
|
&instruments); |
271 |
if (!pDiskThread) { |
if (!pDiskThread) { |
272 |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
273 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
387 |
// reset internal voice counter (just for statistic of active voices) |
// reset internal voice counter (just for statistic of active voices) |
388 |
ActiveVoiceCountTemp = 0; |
ActiveVoiceCountTemp = 0; |
389 |
|
|
390 |
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// handle instrument change commands |
391 |
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instrument_change_command_t command; |
392 |
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if (InstrumentChangeQueue->pop(&command) > 0) { |
393 |
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EngineChannel* pEngineChannel = command.pEngineChannel; |
394 |
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pEngineChannel->pInstrument = command.pInstrument; |
395 |
|
|
396 |
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// iterate through all active voices and mark their |
397 |
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// dimension regions as "in use". The instrument resource |
398 |
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// manager may delete all of the instrument except the |
399 |
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// dimension regions and samples that are in use. |
400 |
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int i = 0; |
401 |
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RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
402 |
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RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
403 |
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while (iuiKey != end) { // iterate through all active keys |
404 |
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midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
405 |
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++iuiKey; |
406 |
|
|
407 |
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RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
408 |
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RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
409 |
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for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
410 |
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if (!itVoice->Orphan) { |
411 |
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itVoice->Orphan = true; |
412 |
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pDimRegionsInUse[i++] = itVoice->pDimRgn; |
413 |
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} |
414 |
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} |
415 |
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} |
416 |
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pDimRegionsInUse[i] = 0; // end of list |
417 |
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|
418 |
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// send a reply to the calling thread, which is waiting |
419 |
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instrument_change_reply_t reply; |
420 |
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InstrumentChangeReplyQueue->push(&reply); |
421 |
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} |
422 |
|
|
423 |
// handle events on all engine channels |
// handle events on all engine channels |
424 |
for (int i = 0; i < engineChannels.size(); i++) { |
for (int i = 0; i < engineChannels.size(); i++) { |
|
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
|
425 |
ProcessEvents(engineChannels[i], Samples); |
ProcessEvents(engineChannels[i], Samples); |
426 |
} |
} |
427 |
|
|
428 |
// render all 'normal', active voices on all engine channels |
// render all 'normal', active voices on all engine channels |
429 |
for (int i = 0; i < engineChannels.size(); i++) { |
for (int i = 0; i < engineChannels.size(); i++) { |
|
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
|
430 |
RenderActiveVoices(engineChannels[i], Samples); |
RenderActiveVoices(engineChannels[i], Samples); |
431 |
} |
} |
432 |
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|
441 |
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|
442 |
// handle cleanup on all engine channels for the next audio fragment |
// handle cleanup on all engine channels for the next audio fragment |
443 |
for (int i = 0; i < engineChannels.size(); i++) { |
for (int i = 0; i < engineChannels.size(); i++) { |
|
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
|
444 |
PostProcess(engineChannels[i]); |
PostProcess(engineChannels[i]); |
445 |
} |
} |
446 |
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|
559 |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
560 |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
561 |
EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel; |
EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel; |
562 |
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if (!pEngineChannel->pInstrument) continue; // ignore if no instrument loaded |
563 |
Pool<Voice>::Iterator itNewVoice = |
Pool<Voice>::Iterator itNewVoice = |
564 |
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false, false); |
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false, false); |
565 |
if (itNewVoice) { |
if (itNewVoice) { |
596 |
{ |
{ |
597 |
AudioChannel* pDstL = pAudioOutputDevice->Channel(pEngineChannel->AudioDeviceChannelLeft); |
AudioChannel* pDstL = pAudioOutputDevice->Channel(pEngineChannel->AudioDeviceChannelLeft); |
598 |
AudioChannel* pDstR = pAudioOutputDevice->Channel(pEngineChannel->AudioDeviceChannelRight); |
AudioChannel* pDstR = pAudioOutputDevice->Channel(pEngineChannel->AudioDeviceChannelRight); |
599 |
pEngineChannel->pChannelLeft->CopyTo(pDstL, Samples); |
pEngineChannel->pChannelLeft->MixTo(pDstL, Samples); |
600 |
pEngineChannel->pChannelRight->CopyTo(pDstR, Samples); |
pEngineChannel->pChannelRight->MixTo(pDstR, Samples); |
601 |
} |
} |
602 |
// route FX send signal |
// route FX send signal |
603 |
{ |
{ |
611 |
AudioChannel* pDstL = pAudioOutputDevice->Channel(iDstL); |
AudioChannel* pDstL = pAudioOutputDevice->Channel(iDstL); |
612 |
if (!pDstL) { |
if (!pDstL) { |
613 |
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (L) destination channel")); |
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (L) destination channel")); |
614 |
} else pEngineChannel->pChannelLeft->CopyTo(pDstL, Samples, pFxSend->Level()); |
} else pEngineChannel->pChannelLeft->MixTo(pDstL, Samples, pFxSend->Level()); |
615 |
} |
} |
616 |
// right channel |
// right channel |
617 |
const int iDstR = pFxSend->DestinationChannel(1); |
const int iDstR = pFxSend->DestinationChannel(1); |
621 |
AudioChannel* pDstR = pAudioOutputDevice->Channel(iDstR); |
AudioChannel* pDstR = pAudioOutputDevice->Channel(iDstR); |
622 |
if (!pDstR) { |
if (!pDstR) { |
623 |
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (R) destination channel")); |
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (R) destination channel")); |
624 |
} else pEngineChannel->pChannelRight->CopyTo(pDstR, Samples, pFxSend->Level()); |
} else pEngineChannel->pChannelRight->MixTo(pDstR, Samples, pFxSend->Level()); |
625 |
} |
} |
626 |
} |
} |
627 |
} |
} |
707 |
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
708 |
#endif |
#endif |
709 |
|
|
710 |
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if (!pEngineChannel->pInstrument) return; // ignore if no instrument loaded |
711 |
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|
712 |
const int key = itNoteOnEvent->Param.Note.Key; |
const int key = itNoteOnEvent->Param.Note.Key; |
713 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
714 |
|
|
806 |
bool bShouldRelease = pKey->Active && ShouldReleaseVoice(pEngineChannel, itNoteOffEventOnKeyList->Param.Note.Key); |
bool bShouldRelease = pKey->Active && ShouldReleaseVoice(pEngineChannel, itNoteOffEventOnKeyList->Param.Note.Key); |
807 |
|
|
808 |
// in case Solo Mode is enabled, kill all voices on this key and respawn a voice on the highest pressed key (if any) |
// in case Solo Mode is enabled, kill all voices on this key and respawn a voice on the highest pressed key (if any) |
809 |
if (pEngineChannel->SoloMode) { //TODO: this feels like too much code just for handling solo mode :P |
if (pEngineChannel->SoloMode && pEngineChannel->pInstrument) { //TODO: this feels like too much code just for handling solo mode :P |
810 |
bool bOtherKeysPressed = false; |
bool bOtherKeysPressed = false; |
811 |
if (iKey == pEngineChannel->SoloKey) { |
if (iKey == pEngineChannel->SoloKey) { |
812 |
pEngineChannel->SoloKey = -1; |
pEngineChannel->SoloKey = -1; |
869 |
itNoteOffEventOnKeyList->Type = Event::type_release; // transform event type |
itNoteOffEventOnKeyList->Type = Event::type_release; // transform event type |
870 |
|
|
871 |
// spawn release triggered voice(s) if needed |
// spawn release triggered voice(s) if needed |
872 |
if (pKey->ReleaseTrigger) { |
if (pKey->ReleaseTrigger && pEngineChannel->pInstrument) { |
873 |
// first, get total amount of required voices (dependant on amount of layers) |
// first, get total amount of required voices (dependant on amount of layers) |
874 |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key); |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key); |
875 |
if (pRegion) { |
if (pRegion) { |
1064 |
std::cerr << "gig::Engine::LaunchVoice() Error: Unknown dimension\n" << std::flush; |
std::cerr << "gig::Engine::LaunchVoice() Error: Unknown dimension\n" << std::flush; |
1065 |
} |
} |
1066 |
} |
} |
1067 |
|
|
1068 |
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// return if this is a release triggered voice and there is no |
1069 |
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// releasetrigger dimension (could happen if an instrument |
1070 |
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// change has occured between note on and off) |
1071 |
|
if (ReleaseTriggerVoice && VoiceType != Voice::type_release_trigger) return Pool<Voice>::Iterator(); |
1072 |
|
|
1073 |
::gig::DimensionRegion* pDimRgn = pRegion->GetDimensionRegionByValue(DimValues); |
::gig::DimensionRegion* pDimRgn = pRegion->GetDimensionRegionByValue(DimValues); |
1074 |
|
|
1075 |
// no need to continue if sample is silent |
// no need to continue if sample is silent |
1299 |
|
|
1300 |
uint keygroup = itVoice->KeyGroup; |
uint keygroup = itVoice->KeyGroup; |
1301 |
|
|
1302 |
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// if the sample and dimension region belong to an |
1303 |
|
// instrument that is unloaded, tell the disk thread to |
1304 |
|
// release them |
1305 |
|
if (itVoice->Orphan) { |
1306 |
|
pDiskThread->OrderDeletionOfDimreg(itVoice->pDimRgn); |
1307 |
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} |
1308 |
|
|
1309 |
// free the voice object |
// free the voice object |
1310 |
pVoicePool->free(itVoice); |
pVoicePool->free(itVoice); |
1311 |
|
|
1692 |
} |
} |
1693 |
|
|
1694 |
String Engine::Version() { |
String Engine::Version() { |
1695 |
String s = "$Revision: 1.68 $"; |
String s = "$Revision: 1.72 $"; |
1696 |
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 |
1697 |
} |
} |
1698 |
|
|
1742 |
return y; |
return y; |
1743 |
} |
} |
1744 |
|
|
1745 |
|
/** |
1746 |
|
* Changes the instrument for an engine channel. |
1747 |
|
* |
1748 |
|
* @param pEngineChannel - engine channel on which the instrument |
1749 |
|
* should be changed |
1750 |
|
* @param pInstrument - new instrument |
1751 |
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* @returns a list of dimension regions from the old instrument |
1752 |
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* that are still in use |
1753 |
|
*/ |
1754 |
|
::gig::DimensionRegion** Engine::ChangeInstrument(EngineChannel* pEngineChannel, ::gig::Instrument* pInstrument) { |
1755 |
|
instrument_change_command_t command; |
1756 |
|
command.pEngineChannel = pEngineChannel; |
1757 |
|
command.pInstrument = pInstrument; |
1758 |
|
InstrumentChangeQueue->push(&command); |
1759 |
|
|
1760 |
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// wait for the audio thread to confirm that the instrument |
1761 |
|
// change has been done |
1762 |
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instrument_change_reply_t reply; |
1763 |
|
while (InstrumentChangeReplyQueue->pop(&reply) == 0) { |
1764 |
|
usleep(10000); |
1765 |
|
} |
1766 |
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return pDimRegionsInUse; |
1767 |
|
} |
1768 |
|
|
1769 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |