103 |
pAudioOutputDevice = NULL; |
pAudioOutputDevice = NULL; |
104 |
pDiskThread = NULL; |
pDiskThread = NULL; |
105 |
pEventGenerator = NULL; |
pEventGenerator = NULL; |
106 |
pSysexBuffer = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0); |
pSysexBuffer = new RingBuffer<uint8_t>(CONFIG_SYSEX_BUFFER_SIZE, 0); |
107 |
pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0); |
pEventQueue = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0); |
108 |
pEventPool = new Pool<Event>(MAX_EVENTS_PER_FRAGMENT); |
pEventPool = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT); |
109 |
pVoicePool = new Pool<Voice>(MAX_AUDIO_VOICES); |
pVoicePool = new Pool<Voice>(CONFIG_MAX_VOICES); |
110 |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
111 |
pGlobalEvents = new RTList<Event>(pEventPool); |
pGlobalEvents = new RTList<Event>(pEventPool); |
112 |
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()) { |
119 |
pMainFilterParameters = NULL; |
pMainFilterParameters = NULL; |
120 |
|
|
121 |
ResetInternal(); |
ResetInternal(); |
122 |
|
ResetScaleTuning(); |
123 |
} |
} |
124 |
|
|
125 |
/** |
/** |
172 |
void Engine::Reset() { |
void Engine::Reset() { |
173 |
DisableAndLock(); |
DisableAndLock(); |
174 |
ResetInternal(); |
ResetInternal(); |
175 |
|
ResetScaleTuning(); |
176 |
Enable(); |
Enable(); |
177 |
} |
} |
178 |
|
|
186 |
|
|
187 |
// reset voice stealing parameters |
// reset voice stealing parameters |
188 |
pVoiceStealingQueue->clear(); |
pVoiceStealingQueue->clear(); |
189 |
itLastStolenVoice = RTList<Voice>::Iterator(); |
itLastStolenVoice = RTList<Voice>::Iterator(); |
190 |
iuiLastStolenKey = RTList<uint>::Iterator(); |
itLastStolenVoiceGlobally = RTList<Voice>::Iterator(); |
191 |
pLastStolenChannel = NULL; |
iuiLastStolenKey = RTList<uint>::Iterator(); |
192 |
|
iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); |
193 |
// reset to normal chromatic scale (means equal temper) |
pLastStolenChannel = NULL; |
|
memset(&ScaleTuning[0], 0x00, 12); |
|
194 |
|
|
195 |
// reset all voices |
// reset all voices |
196 |
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()) { |
206 |
} |
} |
207 |
|
|
208 |
/** |
/** |
209 |
|
* Reset to normal, chromatic scale (means equal tempered). |
210 |
|
*/ |
211 |
|
void Engine::ResetScaleTuning() { |
212 |
|
memset(&ScaleTuning[0], 0x00, 12); |
213 |
|
} |
214 |
|
|
215 |
|
/** |
216 |
* Connect this engine instance with the given audio output device. |
* Connect this engine instance with the given audio output device. |
217 |
* This method will be called when an Engine instance is created. |
* This method will be called when an Engine instance is created. |
218 |
* All of the engine's data structures which are dependant to the used |
* All of the engine's data structures which are dependant to the used |
239 |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
240 |
|
|
241 |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
242 |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1; |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1; |
243 |
if (MaxFadeOutPos < 0) |
if (MaxFadeOutPos < 0) |
244 |
throw LinuxSamplerException("EG_MIN_RELEASE_TIME in EGADSR.h too big for current audio fragment size / sampling rate!"); |
throw LinuxSamplerException("CONFIG_EG_MIN_RELEASE_TIME too big for current audio fragment size / sampling rate!"); |
245 |
|
|
246 |
// (re)create disk thread |
// (re)create disk thread |
247 |
if (this->pDiskThread) { |
if (this->pDiskThread) { |
250 |
delete this->pDiskThread; |
delete this->pDiskThread; |
251 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
252 |
} |
} |
253 |
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 |
254 |
if (!pDiskThread) { |
if (!pDiskThread) { |
255 |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
256 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
360 |
// 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) |
361 |
pEventGenerator->UpdateFragmentTime(Samples); |
pEventGenerator->UpdateFragmentTime(Samples); |
362 |
|
|
363 |
|
// We only allow a maximum of CONFIG_MAX_VOICES voices to be spawned |
364 |
|
// in each audio fragment. All subsequent request for spawning new |
365 |
|
// voices in the same audio fragment will be ignored. |
366 |
|
VoiceSpawnsLeft = CONFIG_MAX_VOICES; |
367 |
|
|
368 |
// 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 |
369 |
// (these are usually just SysEx messages) |
// (these are usually just SysEx messages) |
370 |
ImportEvents(Samples); |
ImportEvents(Samples); |
383 |
} |
} |
384 |
} |
} |
385 |
|
|
|
// We only allow a maximum of MAX_AUDIO_VOICES voices to be stolen |
|
|
// in each audio fragment. All subsequent request for spawning new |
|
|
// voices in the same audio fragment will be ignored. |
|
|
VoiceTheftsLeft = MAX_AUDIO_VOICES; |
|
|
|
|
386 |
// reset internal voice counter (just for statistic of active voices) |
// reset internal voice counter (just for statistic of active voices) |
387 |
ActiveVoiceCountTemp = 0; |
ActiveVoiceCountTemp = 0; |
388 |
|
|
|
|
|
389 |
// handle events on all engine channels |
// handle events on all engine channels |
390 |
for (int i = 0; i < engineChannels.size(); i++) { |
for (int i = 0; i < engineChannels.size(); i++) { |
391 |
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
413 |
|
|
414 |
// reset voice stealing for the next audio fragment |
// reset voice stealing for the next audio fragment |
415 |
pVoiceStealingQueue->clear(); |
pVoiceStealingQueue->clear(); |
|
itLastStolenVoice = RTList<Voice>::Iterator(); |
|
|
iuiLastStolenKey = RTList<uint>::Iterator(); |
|
|
pLastStolenChannel = NULL; |
|
416 |
|
|
417 |
// just some statistics about this engine instance |
// just some statistics about this engine instance |
418 |
ActiveVoiceCount = ActiveVoiceCountTemp; |
ActiveVoiceCount = ActiveVoiceCountTemp; |
419 |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
420 |
|
|
421 |
|
FrameTime += Samples; |
422 |
|
|
423 |
return 0; |
return 0; |
424 |
} |
} |
425 |
|
|
462 |
} |
} |
463 |
} |
} |
464 |
} |
} |
465 |
|
|
466 |
|
// reset voice stealing for the next engine channel (or next audio fragment) |
467 |
|
itLastStolenVoice = RTList<Voice>::Iterator(); |
468 |
|
itLastStolenVoiceGlobally = RTList<Voice>::Iterator(); |
469 |
|
iuiLastStolenKey = RTList<uint>::Iterator(); |
470 |
|
iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); |
471 |
|
pLastStolenChannel = NULL; |
472 |
} |
} |
473 |
|
|
474 |
/** |
/** |
552 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
553 |
++iuiKey; |
++iuiKey; |
554 |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
555 |
#if DEVMODE |
#if CONFIG_DEVMODE |
556 |
else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging) |
else { // just a sanity check for debugging |
557 |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
558 |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
559 |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
562 |
} |
} |
563 |
} |
} |
564 |
} |
} |
565 |
#endif // DEVMODE |
#endif // CONFIG_DEVMODE |
566 |
} |
} |
567 |
} |
} |
568 |
|
|
597 |
// finally place sysex event into input event queue |
// finally place sysex event into input event queue |
598 |
pEventQueue->push(&event); |
pEventQueue->push(&event); |
599 |
} |
} |
600 |
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)); |
601 |
} |
} |
602 |
else dmsg(1,("Engine: Input event queue full!")); |
else dmsg(1,("Engine: Input event queue full!")); |
603 |
} |
} |
623 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
624 |
|
|
625 |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
626 |
|
pKey->Velocity = itNoteOnEvent->Param.Note.Velocity; |
627 |
|
pKey->NoteOnTime = FrameTime + itNoteOnEvent->FragmentPos(); // will be used to calculate note length |
628 |
|
|
629 |
// cancel release process of voices on this key if needed |
// cancel release process of voices on this key if needed |
630 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
675 |
// release voices on this key if needed |
// release voices on this key if needed |
676 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
677 |
itNoteOffEvent->Type = Event::type_release; // transform event type |
itNoteOffEvent->Type = Event::type_release; // transform event type |
|
} |
|
678 |
|
|
679 |
// move event to the key's own event list |
// move event to the key's own event list |
680 |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
681 |
|
|
682 |
// spawn release triggered voice(s) if needed |
// spawn release triggered voice(s) if needed |
683 |
if (pKey->ReleaseTrigger) { |
if (pKey->ReleaseTrigger) { |
684 |
// first, get total amount of required voices (dependant on amount of layers) |
// first, get total amount of required voices (dependant on amount of layers) |
685 |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key); |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key); |
686 |
if (pRegion) { |
if (pRegion) { |
687 |
int voicesRequired = pRegion->Layers; |
int voicesRequired = pRegion->Layers; |
688 |
// now launch the required amount of voices |
|
689 |
for (int i = 0; i < voicesRequired; i++) |
// MIDI note-on velocity is used instead of note-off velocity |
690 |
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
itNoteOffEventOnKeyList->Param.Note.Velocity = pKey->Velocity; |
691 |
|
|
692 |
|
// now launch the required amount of voices |
693 |
|
for (int i = 0; i < voicesRequired; i++) |
694 |
|
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
695 |
|
} |
696 |
|
pKey->ReleaseTrigger = false; |
697 |
} |
} |
|
pKey->ReleaseTrigger = false; |
|
|
} |
|
698 |
|
|
699 |
// if neither a voice was spawned or postponed then remove note off event from key again |
// if neither a voice was spawned or postponed then remove note off event from key again |
700 |
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
701 |
pKey->pEvents->free(itNoteOffEventOnKeyList); |
pKey->pEvents->free(itNoteOffEventOnKeyList); |
702 |
|
} |
703 |
} |
} |
704 |
|
|
705 |
/** |
/** |
744 |
pKey->pActiveVoices->free(itNewVoice); |
pKey->pActiveVoices->free(itNewVoice); |
745 |
} |
} |
746 |
else { // on success |
else { // on success |
747 |
|
--VoiceSpawnsLeft; |
748 |
uint** ppKeyGroup = NULL; |
uint** ppKeyGroup = NULL; |
749 |
if (itNewVoice->KeyGroup) { // if this voice / key belongs to a key group |
if (itNewVoice->KeyGroup) { // if this voice / key belongs to a key group |
750 |
ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup]; |
ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup]; |
754 |
RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
755 |
RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
756 |
for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
757 |
if (itVoiceToBeKilled->Type != Voice::type_release_trigger) itVoiceToBeKilled->Kill(itNoteOnEvent); |
if (itVoiceToBeKilled->Type != Voice::type_release_trigger) { |
758 |
|
itVoiceToBeKilled->Kill(itNoteOnEvent); |
759 |
|
--VoiceSpawnsLeft; //FIXME: just a hack, we should better check in StealVoice() if the voice was killed due to key conflict |
760 |
|
} |
761 |
} |
} |
762 |
} |
} |
763 |
} |
} |
803 |
* @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing |
* @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing |
804 |
*/ |
*/ |
805 |
int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
806 |
if (!VoiceTheftsLeft) { |
if (VoiceSpawnsLeft <= 0) { |
807 |
dmsg(1,("Max. voice thefts per audio fragment reached (you may raise MAX_AUDIO_VOICES).\n")); |
dmsg(1,("Max. voice thefts per audio fragment reached (you may raise CONFIG_MAX_VOICES).\n")); |
808 |
return -1; |
return -1; |
809 |
} |
} |
810 |
if (!pEventPool->poolIsEmpty()) { |
if (!pEventPool->poolIsEmpty()) { |
812 |
RTList<Voice>::Iterator itSelectedVoice; |
RTList<Voice>::Iterator itSelectedVoice; |
813 |
|
|
814 |
// Select one voice for voice stealing |
// Select one voice for voice stealing |
815 |
switch (VOICE_STEAL_ALGORITHM) { |
switch (CONFIG_VOICE_STEAL_ALGO) { |
816 |
|
|
817 |
// try to pick the oldest voice on the key where the new |
// try to pick the oldest voice on the key where the new |
818 |
// voice should be spawned, if there is no voice on that |
// voice should be spawned, if there is no voice on that |
819 |
// key, or no voice left to kill there, then procceed with |
// key, or no voice left to kill, then procceed with |
820 |
// 'oldestkey' algorithm |
// 'oldestkey' algorithm |
821 |
case voice_steal_algo_oldestvoiceonkey: { |
case voice_steal_algo_oldestvoiceonkey: { |
|
#if 0 // FIXME: broken |
|
822 |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
823 |
if (this->itLastStolenVoice) { |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
824 |
itSelectedVoice = this->itLastStolenVoice; |
// proceed iterating if voice was created in this fragment cycle |
825 |
++itSelectedVoice; |
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
826 |
} |
// if we haven't found a voice then proceed with algorithm 'oldestkey' |
827 |
else { // no voice stolen in this audio fragment cycle yet |
if (itSelectedVoice && itSelectedVoice->IsStealable()) break; |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
|
|
} |
|
|
if (itSelectedVoice) { |
|
|
iuiSelectedKey = pSelectedKey->itSelf; |
|
|
break; // selection succeeded |
|
|
} |
|
|
#endif |
|
828 |
} // no break - intentional ! |
} // no break - intentional ! |
829 |
|
|
830 |
// try to pick the oldest voice on the oldest active key |
// try to pick the oldest voice on the oldest active key |
831 |
|
// from the same engine channel |
832 |
// (caution: must stay after 'oldestvoiceonkey' algorithm !) |
// (caution: must stay after 'oldestvoiceonkey' algorithm !) |
833 |
case voice_steal_algo_oldestkey: { |
case voice_steal_algo_oldestkey: { |
834 |
|
// if we already stole in this fragment, try to proceed on same key |
835 |
if (this->itLastStolenVoice) { |
if (this->itLastStolenVoice) { |
836 |
itSelectedVoice = this->itLastStolenVoice; |
itSelectedVoice = this->itLastStolenVoice; |
837 |
++itSelectedVoice; |
do { |
838 |
if (itSelectedVoice) break; // selection succeeded |
++itSelectedVoice; |
839 |
RTList<uint>::Iterator iuiSelectedKey = this->iuiLastStolenKey; |
} while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle |
840 |
++iuiSelectedKey; |
// found a "stealable" voice ? |
841 |
if (iuiSelectedKey) { |
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
842 |
this->iuiLastStolenKey = iuiSelectedKey; |
// remember which voice we stole, so we can simply proceed on next voice stealing |
843 |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
this->itLastStolenVoice = itSelectedVoice; |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
|
844 |
break; // selection succeeded |
break; // selection succeeded |
845 |
} |
} |
846 |
} |
} |
847 |
|
// get (next) oldest key |
848 |
|
RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKey) ? ++this->iuiLastStolenKey : pEngineChannel->pActiveKeys->first(); |
849 |
|
while (iuiSelectedKey) { |
850 |
|
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
851 |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
852 |
|
// proceed iterating if voice was created in this fragment cycle |
853 |
|
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
854 |
|
// found a "stealable" voice ? |
855 |
|
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
856 |
|
// remember which voice on which key we stole, so we can simply proceed on next voice stealing |
857 |
|
this->iuiLastStolenKey = iuiSelectedKey; |
858 |
|
this->itLastStolenVoice = itSelectedVoice; |
859 |
|
break; // selection succeeded |
860 |
|
} |
861 |
|
++iuiSelectedKey; // get next oldest key |
862 |
|
} |
863 |
break; |
break; |
864 |
} |
} |
865 |
|
|
871 |
} |
} |
872 |
} |
} |
873 |
|
|
874 |
// steal oldest voice on the oldest key from this or any other engine channel |
// if we couldn't steal a voice from the same engine channel then |
875 |
if (!itSelectedVoice) { |
// steal oldest voice on the oldest key from any other engine channel |
876 |
EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel; |
// (the smaller engine channel number, the higher priority) |
877 |
int iChannelIndex = pSelectedChannel->iEngineIndexSelf; |
if (!itSelectedVoice || !itSelectedVoice->IsStealable()) { |
878 |
while (true) { |
EngineChannel* pSelectedChannel; |
879 |
RTList<uint>::Iterator iuiSelectedKey = pSelectedChannel->pActiveKeys->first(); |
int iChannelIndex; |
880 |
if (iuiSelectedKey) { |
// select engine channel |
881 |
|
if (pLastStolenChannel) { |
882 |
|
pSelectedChannel = pLastStolenChannel; |
883 |
|
iChannelIndex = pSelectedChannel->iEngineIndexSelf; |
884 |
|
} else { // pick the engine channel followed by this engine channel |
885 |
|
iChannelIndex = (pEngineChannel->iEngineIndexSelf + 1) % engineChannels.size(); |
886 |
|
pSelectedChannel = engineChannels[iChannelIndex]; |
887 |
|
} |
888 |
|
|
889 |
|
// if we already stole in this fragment, try to proceed on same key |
890 |
|
if (this->itLastStolenVoiceGlobally) { |
891 |
|
itSelectedVoice = this->itLastStolenVoiceGlobally; |
892 |
|
do { |
893 |
|
++itSelectedVoice; |
894 |
|
} while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle |
895 |
|
} |
896 |
|
|
897 |
|
#if CONFIG_DEVMODE |
898 |
|
EngineChannel* pBegin = pSelectedChannel; // to detect endless loop |
899 |
|
#endif // CONFIG_DEVMODE |
900 |
|
|
901 |
|
// did we find a 'stealable' voice? |
902 |
|
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
903 |
|
// remember which voice we stole, so we can simply proceed on next voice stealing |
904 |
|
this->itLastStolenVoiceGlobally = itSelectedVoice; |
905 |
|
} else while (true) { // iterate through engine channels |
906 |
|
// get (next) oldest key |
907 |
|
RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKeyGlobally) ? ++this->iuiLastStolenKeyGlobally : pSelectedChannel->pActiveKeys->first(); |
908 |
|
this->iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); // to prevent endless loop (see line above) |
909 |
|
while (iuiSelectedKey) { |
910 |
midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
911 |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
912 |
iuiLastStolenKey = iuiSelectedKey; |
// proceed iterating if voice was created in this fragment cycle |
913 |
pLastStolenChannel = pSelectedChannel; |
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
914 |
break; // selection succeeded |
// found a "stealable" voice ? |
915 |
|
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
916 |
|
// remember which voice on which key on which engine channel we stole, so we can simply proceed on next voice stealing |
917 |
|
this->iuiLastStolenKeyGlobally = iuiSelectedKey; |
918 |
|
this->itLastStolenVoiceGlobally = itSelectedVoice; |
919 |
|
this->pLastStolenChannel = pSelectedChannel; |
920 |
|
break; // selection succeeded |
921 |
|
} |
922 |
|
++iuiSelectedKey; // get next key on current engine channel |
923 |
} |
} |
924 |
|
// get next engine channel |
925 |
iChannelIndex = (iChannelIndex + 1) % engineChannels.size(); |
iChannelIndex = (iChannelIndex + 1) % engineChannels.size(); |
926 |
pSelectedChannel = engineChannels[iChannelIndex]; |
pSelectedChannel = engineChannels[iChannelIndex]; |
927 |
|
|
928 |
|
#if CONFIG_DEVMODE |
929 |
|
if (pSelectedChannel == pBegin) { |
930 |
|
dmsg(1,("FATAL ERROR: voice stealing endless loop!\n")); |
931 |
|
dmsg(1,("VoiceSpawnsLeft=%d.\n", VoiceSpawnsLeft)); |
932 |
|
dmsg(1,("Exiting.\n")); |
933 |
|
exit(-1); |
934 |
|
} |
935 |
|
#endif // CONFIG_DEVMODE |
936 |
} |
} |
937 |
} |
} |
938 |
|
|
939 |
//FIXME: can be removed, just a sanity check for debugging |
#if CONFIG_DEVMODE |
940 |
if (!itSelectedVoice->IsActive()) { |
if (!itSelectedVoice->IsActive()) { |
941 |
dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n")); |
dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n")); |
942 |
return -1; |
return -1; |
943 |
} |
} |
944 |
|
#endif // CONFIG_DEVMODE |
945 |
|
|
946 |
// now kill the selected voice |
// now kill the selected voice |
947 |
itSelectedVoice->Kill(itNoteOnEvent); |
itSelectedVoice->Kill(itNoteOnEvent); |
948 |
|
|
949 |
// remember which voice we stole, so we can simply proceed for the next voice stealing |
--VoiceSpawnsLeft; |
|
itLastStolenVoice = itSelectedVoice; |
|
|
|
|
|
--VoiceTheftsLeft; |
|
950 |
|
|
951 |
return 0; // success |
return 0; // success |
952 |
} |
} |
1022 |
case 7: { // volume |
case 7: { // volume |
1023 |
//TODO: not sample accurate yet |
//TODO: not sample accurate yet |
1024 |
pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f; |
pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f; |
1025 |
|
pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag |
1026 |
break; |
break; |
1027 |
} |
} |
1028 |
case 10: { // panpot |
case 10: { // panpot |
1105 |
|
|
1106 |
switch (id) { |
switch (id) { |
1107 |
case 0x41: { // Roland |
case 0x41: { // Roland |
1108 |
|
dmsg(3,("Roland Sysex\n")); |
1109 |
uint8_t device_id, model_id, cmd_id; |
uint8_t device_id, model_id, cmd_id; |
1110 |
if (!reader.pop(&device_id)) goto free_sysex_data; |
if (!reader.pop(&device_id)) goto free_sysex_data; |
1111 |
if (!reader.pop(&model_id)) goto free_sysex_data; |
if (!reader.pop(&model_id)) goto free_sysex_data; |
1118 |
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 |
1119 |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
1120 |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
1121 |
|
dmsg(3,("\tSystem Parameter\n")); |
1122 |
} |
} |
1123 |
else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters |
else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters |
1124 |
|
dmsg(3,("\tCommon Parameter\n")); |
1125 |
} |
} |
1126 |
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1) |
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1) |
1127 |
switch (addr[3]) { |
dmsg(3,("\tPart Parameter\n")); |
1128 |
|
switch (addr[2]) { |
1129 |
case 0x40: { // scale tuning |
case 0x40: { // scale tuning |
1130 |
|
dmsg(3,("\t\tScale Tuning\n")); |
1131 |
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 |
1132 |
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
1133 |
uint8_t checksum; |
uint8_t checksum; |
1134 |
if (!reader.pop(&checksum)) goto free_sysex_data; |
if (!reader.pop(&checksum)) goto free_sysex_data; |
1135 |
if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data; |
#if CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
1136 |
|
if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data; |
1137 |
|
#endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
1138 |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
1139 |
AdjustScale((int8_t*) scale_tunes); |
AdjustScale((int8_t*) scale_tunes); |
1140 |
|
dmsg(3,("\t\t\tNew scale applied.\n")); |
1141 |
break; |
break; |
1142 |
} |
} |
1143 |
} |
} |
1222 |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
1223 |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
1224 |
itVoice->Kill(itKillEvent); |
itVoice->Kill(itKillEvent); |
1225 |
|
--VoiceSpawnsLeft; //FIXME: just a temporary workaround, we should check the cause in StealVoice() instead |
1226 |
} |
} |
1227 |
} |
} |
1228 |
} |
} |
1271 |
} |
} |
1272 |
|
|
1273 |
String Engine::EngineName() { |
String Engine::EngineName() { |
1274 |
return "GigEngine"; |
return LS_GIG_ENGINE_NAME; |
1275 |
} |
} |
1276 |
|
|
1277 |
String Engine::Description() { |
String Engine::Description() { |
1279 |
} |
} |
1280 |
|
|
1281 |
String Engine::Version() { |
String Engine::Version() { |
1282 |
String s = "$Revision: 1.33 $"; |
String s = "$Revision: 1.44 $"; |
1283 |
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 |
1284 |
} |
} |
1285 |
|
|