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()) { |
184 |
|
|
185 |
// reset voice stealing parameters |
// reset voice stealing parameters |
186 |
pVoiceStealingQueue->clear(); |
pVoiceStealingQueue->clear(); |
187 |
itLastStolenVoice = RTList<Voice>::Iterator(); |
itLastStolenVoice = RTList<Voice>::Iterator(); |
188 |
iuiLastStolenKey = RTList<uint>::Iterator(); |
itLastStolenVoiceGlobally = RTList<Voice>::Iterator(); |
189 |
pLastStolenChannel = NULL; |
iuiLastStolenKey = RTList<uint>::Iterator(); |
190 |
|
iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); |
191 |
|
pLastStolenChannel = NULL; |
192 |
|
|
193 |
// reset to normal chromatic scale (means equal temper) |
// reset to normal chromatic scale (means equal temper) |
194 |
memset(&ScaleTuning[0], 0x00, 12); |
memset(&ScaleTuning[0], 0x00, 12); |
233 |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
234 |
|
|
235 |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
236 |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1; |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1; |
237 |
if (MaxFadeOutPos < 0) |
if (MaxFadeOutPos < 0) |
238 |
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!"); |
239 |
|
|
240 |
// (re)create disk thread |
// (re)create disk thread |
241 |
if (this->pDiskThread) { |
if (this->pDiskThread) { |
244 |
delete this->pDiskThread; |
delete this->pDiskThread; |
245 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
246 |
} |
} |
247 |
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 |
248 |
if (!pDiskThread) { |
if (!pDiskThread) { |
249 |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
250 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
372 |
} |
} |
373 |
} |
} |
374 |
|
|
375 |
// We only allow a maximum of MAX_AUDIO_VOICES voices to be stolen |
// We only allow a maximum of CONFIG_MAX_VOICES voices to be stolen |
376 |
// in each audio fragment. All subsequent request for spawning new |
// in each audio fragment. All subsequent request for spawning new |
377 |
// voices in the same audio fragment will be ignored. |
// voices in the same audio fragment will be ignored. |
378 |
VoiceTheftsLeft = MAX_AUDIO_VOICES; |
VoiceTheftsLeft = CONFIG_MAX_VOICES; |
379 |
|
|
380 |
// reset internal voice counter (just for statistic of active voices) |
// reset internal voice counter (just for statistic of active voices) |
381 |
ActiveVoiceCountTemp = 0; |
ActiveVoiceCountTemp = 0; |
408 |
|
|
409 |
// reset voice stealing for the next audio fragment |
// reset voice stealing for the next audio fragment |
410 |
pVoiceStealingQueue->clear(); |
pVoiceStealingQueue->clear(); |
|
itLastStolenVoice = RTList<Voice>::Iterator(); |
|
|
iuiLastStolenKey = RTList<uint>::Iterator(); |
|
|
pLastStolenChannel = NULL; |
|
411 |
|
|
412 |
// just some statistics about this engine instance |
// just some statistics about this engine instance |
413 |
ActiveVoiceCount = ActiveVoiceCountTemp; |
ActiveVoiceCount = ActiveVoiceCountTemp; |
414 |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
415 |
|
|
416 |
|
FrameTime += Samples; |
417 |
|
|
418 |
return 0; |
return 0; |
419 |
} |
} |
420 |
|
|
457 |
} |
} |
458 |
} |
} |
459 |
} |
} |
460 |
|
|
461 |
|
// reset voice stealing for the next engine channel (or next audio fragment) |
462 |
|
itLastStolenVoice = RTList<Voice>::Iterator(); |
463 |
|
itLastStolenVoiceGlobally = RTList<Voice>::Iterator(); |
464 |
|
iuiLastStolenKey = RTList<uint>::Iterator(); |
465 |
|
iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); |
466 |
|
pLastStolenChannel = NULL; |
467 |
} |
} |
468 |
|
|
469 |
/** |
/** |
547 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
548 |
++iuiKey; |
++iuiKey; |
549 |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
550 |
#if DEVMODE |
#if CONFIG_DEVMODE |
551 |
else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging) |
else { // just a sanity check for debugging |
552 |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
553 |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
554 |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
557 |
} |
} |
558 |
} |
} |
559 |
} |
} |
560 |
#endif // DEVMODE |
#endif // CONFIG_DEVMODE |
561 |
} |
} |
562 |
} |
} |
563 |
|
|
592 |
// finally place sysex event into input event queue |
// finally place sysex event into input event queue |
593 |
pEventQueue->push(&event); |
pEventQueue->push(&event); |
594 |
} |
} |
595 |
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)); |
596 |
} |
} |
597 |
else dmsg(1,("Engine: Input event queue full!")); |
else dmsg(1,("Engine: Input event queue full!")); |
598 |
} |
} |
618 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
619 |
|
|
620 |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
621 |
|
pKey->Velocity = itNoteOnEvent->Param.Note.Velocity; |
622 |
|
pKey->NoteOnTime = FrameTime + itNoteOnEvent->FragmentPos(); // will be used to calculate note length |
623 |
|
|
624 |
// cancel release process of voices on this key if needed |
// cancel release process of voices on this key if needed |
625 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
680 |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key); |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key); |
681 |
if (pRegion) { |
if (pRegion) { |
682 |
int voicesRequired = pRegion->Layers; |
int voicesRequired = pRegion->Layers; |
683 |
|
|
684 |
|
// MIDI note-on velocity is used instead of note-off velocity |
685 |
|
itNoteOffEventOnKeyList->Param.Note.Velocity = pKey->Velocity; |
686 |
|
|
687 |
// now launch the required amount of voices |
// now launch the required amount of voices |
688 |
for (int i = 0; i < voicesRequired; i++) |
for (int i = 0; i < voicesRequired; i++) |
689 |
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
795 |
*/ |
*/ |
796 |
int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
797 |
if (!VoiceTheftsLeft) { |
if (!VoiceTheftsLeft) { |
798 |
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")); |
799 |
return -1; |
return -1; |
800 |
} |
} |
801 |
if (!pEventPool->poolIsEmpty()) { |
if (!pEventPool->poolIsEmpty()) { |
803 |
RTList<Voice>::Iterator itSelectedVoice; |
RTList<Voice>::Iterator itSelectedVoice; |
804 |
|
|
805 |
// Select one voice for voice stealing |
// Select one voice for voice stealing |
806 |
switch (VOICE_STEAL_ALGORITHM) { |
switch (CONFIG_VOICE_STEAL_ALGO) { |
807 |
|
|
808 |
// try to pick the oldest voice on the key where the new |
// try to pick the oldest voice on the key where the new |
809 |
// voice should be spawned, if there is no voice on that |
// voice should be spawned, if there is no voice on that |
810 |
// key, or no voice left to kill there, then procceed with |
// key, or no voice left to kill, then procceed with |
811 |
// 'oldestkey' algorithm |
// 'oldestkey' algorithm |
812 |
case voice_steal_algo_oldestvoiceonkey: { |
case voice_steal_algo_oldestvoiceonkey: { |
|
#if 0 // FIXME: broken |
|
813 |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
814 |
if (this->itLastStolenVoice) { |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
815 |
itSelectedVoice = this->itLastStolenVoice; |
// proceed iterating if voice was created in this fragment cycle |
816 |
++itSelectedVoice; |
while (itSelectedVoice && !itSelectedVoice->hasRendered()) ++itSelectedVoice; |
817 |
} |
// if we haven't found a voice then proceed with algorithm 'oldestkey' |
818 |
else { // no voice stolen in this audio fragment cycle yet |
if (itSelectedVoice && itSelectedVoice->hasRendered()) break; |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
|
|
} |
|
|
if (itSelectedVoice) { |
|
|
iuiSelectedKey = pSelectedKey->itSelf; |
|
|
break; // selection succeeded |
|
|
} |
|
|
#endif |
|
819 |
} // no break - intentional ! |
} // no break - intentional ! |
820 |
|
|
821 |
// try to pick the oldest voice on the oldest active key |
// try to pick the oldest voice on the oldest active key |
822 |
|
// from the same engine channel |
823 |
// (caution: must stay after 'oldestvoiceonkey' algorithm !) |
// (caution: must stay after 'oldestvoiceonkey' algorithm !) |
824 |
case voice_steal_algo_oldestkey: { |
case voice_steal_algo_oldestkey: { |
825 |
|
// if we already stole in this fragment, try to proceed on same key |
826 |
if (this->itLastStolenVoice) { |
if (this->itLastStolenVoice) { |
827 |
itSelectedVoice = this->itLastStolenVoice; |
itSelectedVoice = this->itLastStolenVoice; |
828 |
++itSelectedVoice; |
do { |
829 |
if (itSelectedVoice) break; // selection succeeded |
++itSelectedVoice; |
830 |
RTList<uint>::Iterator iuiSelectedKey = this->iuiLastStolenKey; |
} while (itSelectedVoice && !itSelectedVoice->hasRendered()); // proceed iterating if voice was created in this fragment cycle |
831 |
++iuiSelectedKey; |
// found a "stealable" voice ? |
832 |
if (iuiSelectedKey) { |
if (itSelectedVoice && itSelectedVoice->hasRendered()) { |
833 |
this->iuiLastStolenKey = iuiSelectedKey; |
// remember which voice we stole, so we can simply proceed on next voice stealing |
834 |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
this->itLastStolenVoice = itSelectedVoice; |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
|
835 |
break; // selection succeeded |
break; // selection succeeded |
836 |
} |
} |
837 |
} |
} |
838 |
|
// get (next) oldest key |
839 |
|
RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKey) ? ++this->iuiLastStolenKey : pEngineChannel->pActiveKeys->first(); |
840 |
|
while (iuiSelectedKey) { |
841 |
|
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
842 |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
843 |
|
// proceed iterating if voice was created in this fragment cycle |
844 |
|
while (itSelectedVoice && !itSelectedVoice->hasRendered()) ++itSelectedVoice; |
845 |
|
// found a "stealable" voice ? |
846 |
|
if (itSelectedVoice && itSelectedVoice->hasRendered()) { |
847 |
|
// remember which voice on which key we stole, so we can simply proceed on next voice stealing |
848 |
|
this->iuiLastStolenKey = iuiSelectedKey; |
849 |
|
this->itLastStolenVoice = itSelectedVoice; |
850 |
|
break; // selection succeeded |
851 |
|
} |
852 |
|
++iuiSelectedKey; // get next oldest key |
853 |
|
} |
854 |
break; |
break; |
855 |
} |
} |
856 |
|
|
862 |
} |
} |
863 |
} |
} |
864 |
|
|
865 |
// 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 |
866 |
if (!itSelectedVoice) { |
// steal oldest voice on the oldest key from any other engine channel |
867 |
EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel; |
// (the smaller engine channel number, the higher priority) |
868 |
int iChannelIndex = pSelectedChannel->iEngineIndexSelf; |
if (!itSelectedVoice || !itSelectedVoice->hasRendered()) { |
869 |
|
EngineChannel* pSelectedChannel; |
870 |
|
int iChannelIndex; |
871 |
|
// select engine channel |
872 |
|
if (pLastStolenChannel) { |
873 |
|
pSelectedChannel = pLastStolenChannel; |
874 |
|
iChannelIndex = pSelectedChannel->iEngineIndexSelf; |
875 |
|
} else { // pick the engine channel followed by this engine channel |
876 |
|
iChannelIndex = (pEngineChannel->iEngineIndexSelf + 1) % engineChannels.size(); |
877 |
|
pSelectedChannel = engineChannels[iChannelIndex]; |
878 |
|
} |
879 |
|
// iterate through engine channels |
880 |
while (true) { |
while (true) { |
881 |
RTList<uint>::Iterator iuiSelectedKey = pSelectedChannel->pActiveKeys->first(); |
// if we already stole in this fragment, try to proceed on same key |
882 |
if (iuiSelectedKey) { |
if (this->itLastStolenVoiceGlobally) { |
883 |
midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
itSelectedVoice = this->itLastStolenVoiceGlobally; |
884 |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
do { |
885 |
iuiLastStolenKey = iuiSelectedKey; |
++itSelectedVoice; |
886 |
pLastStolenChannel = pSelectedChannel; |
} while (itSelectedVoice && !itSelectedVoice->hasRendered()); // proceed iterating if voice was created in this fragment cycle |
887 |
break; // selection succeeded |
// break if selection succeeded |
888 |
|
if (itSelectedVoice && itSelectedVoice->hasRendered()) { |
889 |
|
// remember which voice we stole, so we can simply proceed on next voice stealing |
890 |
|
this->itLastStolenVoiceGlobally = itSelectedVoice; |
891 |
|
break; // selection succeeded |
892 |
|
} |
893 |
} |
} |
894 |
|
// get (next) oldest key |
895 |
|
RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKey) ? ++this->iuiLastStolenKey : pSelectedChannel->pActiveKeys->first(); |
896 |
|
while (iuiSelectedKey) { |
897 |
|
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
898 |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
899 |
|
// proceed iterating if voice was created in this fragment cycle |
900 |
|
while (itSelectedVoice && !itSelectedVoice->hasRendered()) ++itSelectedVoice; |
901 |
|
// found a "stealable" voice ? |
902 |
|
if (itSelectedVoice && itSelectedVoice->hasRendered()) { |
903 |
|
// remember which voice on which key on which engine channel we stole, so we can simply proceed on next voice stealing |
904 |
|
this->iuiLastStolenKeyGlobally = iuiSelectedKey; |
905 |
|
this->itLastStolenVoiceGlobally = itSelectedVoice; |
906 |
|
this->pLastStolenChannel = pSelectedChannel; |
907 |
|
break; // selection succeeded |
908 |
|
} |
909 |
|
++iuiSelectedKey; // get next key on current engine channel |
910 |
|
} |
911 |
|
// get next engine channel |
912 |
iChannelIndex = (iChannelIndex + 1) % engineChannels.size(); |
iChannelIndex = (iChannelIndex + 1) % engineChannels.size(); |
913 |
pSelectedChannel = engineChannels[iChannelIndex]; |
pSelectedChannel = engineChannels[iChannelIndex]; |
914 |
} |
} |
915 |
} |
} |
916 |
|
|
917 |
//FIXME: can be removed, just a sanity check for debugging |
#if CONFIG_DEVMODE |
918 |
if (!itSelectedVoice->IsActive()) { |
if (!itSelectedVoice->IsActive()) { |
919 |
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")); |
920 |
return -1; |
return -1; |
921 |
} |
} |
922 |
|
#endif // CONFIG_DEVMODE |
923 |
|
|
924 |
// now kill the selected voice |
// now kill the selected voice |
925 |
itSelectedVoice->Kill(itNoteOnEvent); |
itSelectedVoice->Kill(itNoteOnEvent); |
|
|
|
|
// remember which voice we stole, so we can simply proceed for the next voice stealing |
|
|
itLastStolenVoice = itSelectedVoice; |
|
926 |
|
|
927 |
--VoiceTheftsLeft; |
--VoiceTheftsLeft; |
928 |
|
|
1109 |
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
1110 |
uint8_t checksum; |
uint8_t checksum; |
1111 |
if (!reader.pop(&checksum)) goto free_sysex_data; |
if (!reader.pop(&checksum)) goto free_sysex_data; |
1112 |
// some are not sending a GS checksum, so we ignore it for now |
#if CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
1113 |
//if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data; |
if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data; |
1114 |
|
#endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
1115 |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
1116 |
AdjustScale((int8_t*) scale_tunes); |
AdjustScale((int8_t*) scale_tunes); |
1117 |
dmsg(3,("\t\t\tNew scale applied.\n")); |
dmsg(3,("\t\t\tNew scale applied.\n")); |
1255 |
} |
} |
1256 |
|
|
1257 |
String Engine::Version() { |
String Engine::Version() { |
1258 |
String s = "$Revision: 1.36 $"; |
String s = "$Revision: 1.41 $"; |
1259 |
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 |
1260 |
} |
} |
1261 |
|
|