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 |
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 CONFIG_MAX_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 = CONFIG_MAX_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; |
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 |
/** |
/** |
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 CONFIG_MAX_VOICES).\n")); |
dmsg(1,("Max. voice thefts per audio fragment reached (you may raise CONFIG_MAX_VOICES).\n")); |
808 |
return -1; |
return -1; |
809 |
} |
} |
822 |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
823 |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
824 |
// proceed iterating if voice was created in this fragment cycle |
// proceed iterating if voice was created in this fragment cycle |
825 |
while (itSelectedVoice && !itSelectedVoice->hasRendered()) ++itSelectedVoice; |
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
826 |
// if we haven't found a voice then proceed with algorithm 'oldestkey' |
// if we haven't found a voice then proceed with algorithm 'oldestkey' |
827 |
if (itSelectedVoice && itSelectedVoice->hasRendered()) break; |
if (itSelectedVoice && itSelectedVoice->IsStealable()) break; |
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 |
// 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; |
844 |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
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 |
break; // selection succeeded |
860 |
} |
} |
861 |
|
++iuiSelectedKey; // get next oldest key |
862 |
} |
} |
863 |
break; |
break; |
864 |
} |
} |
873 |
|
|
874 |
// if we couldn't steal a voice from the same engine channel then |
// if we couldn't steal a voice from the same engine channel then |
875 |
// steal oldest voice on the oldest key from any other engine channel |
// steal oldest voice on the oldest key from any other engine channel |
876 |
if (!itSelectedVoice) { |
// (the smaller engine channel number, the higher priority) |
877 |
EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel; |
if (!itSelectedVoice || !itSelectedVoice->IsStealable()) { |
878 |
int iChannelIndex = pSelectedChannel->iEngineIndexSelf; |
EngineChannel* pSelectedChannel; |
879 |
while (true) { |
int iChannelIndex; |
880 |
RTList<uint>::Iterator iuiSelectedKey = pSelectedChannel->pActiveKeys->first(); |
// select engine channel |
881 |
if (iuiSelectedKey) { |
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 |
|
|
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 |
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 |
} |
} |
1279 |
} |
} |
1280 |
|
|
1281 |
String Engine::Version() { |
String Engine::Version() { |
1282 |
String s = "$Revision: 1.40 $"; |
String s = "$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 |
|
|