27 |
|
|
28 |
namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
29 |
|
|
|
// TODO: no support for crossfades yet |
|
|
|
|
30 |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
31 |
|
|
32 |
const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask()); |
const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask()); |
55 |
pLFO1 = NULL; |
pLFO1 = NULL; |
56 |
pLFO2 = NULL; |
pLFO2 = NULL; |
57 |
pLFO3 = NULL; |
pLFO3 = NULL; |
58 |
|
KeyGroup = 0; |
59 |
} |
} |
60 |
|
|
61 |
Voice::~Voice() { |
Voice::~Voice() { |
103 |
* Initializes and triggers the voice, a disk stream will be launched if |
* Initializes and triggers the voice, a disk stream will be launched if |
104 |
* needed. |
* needed. |
105 |
* |
* |
106 |
* @param pNoteOnEvent - event that caused triggering of this voice |
* @param pNoteOnEvent - event that caused triggering of this voice |
107 |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
108 |
* @param pInstrument - points to the loaded instrument which provides sample wave(s) and articulation data |
* @param pInstrument - points to the loaded instrument which provides sample wave(s) and articulation data |
109 |
* @param iLayer - layer number this voice refers to (only if this is a layered sound of course) |
* @param iLayer - layer number this voice refers to (only if this is a layered sound of course) |
110 |
* @returns 0 on success, a value < 0 if something failed |
* @param ReleaseTriggerVoice - if this new voice is a release trigger voice (optional, default = false) |
111 |
|
* @returns 0 on success, a value < 0 if something failed |
112 |
*/ |
*/ |
113 |
int Voice::Trigger(Event* pNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer) { |
int Voice::Trigger(Event* pNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice) { |
114 |
if (!pInstrument) { |
if (!pInstrument) { |
115 |
dmsg(1,("voice::trigger: !pInstrument\n")); |
dmsg(1,("voice::trigger: !pInstrument\n")); |
116 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
117 |
} |
} |
118 |
|
|
119 |
|
Type = type_normal; |
120 |
Active = true; |
Active = true; |
121 |
MIDIKey = pNoteOnEvent->Key; |
MIDIKey = pNoteOnEvent->Key; |
122 |
pRegion = pInstrument->GetRegion(MIDIKey); |
pRegion = pInstrument->GetRegion(MIDIKey); |
123 |
PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
|
Pos = 0; |
|
124 |
Delay = pNoteOnEvent->FragmentPos(); |
Delay = pNoteOnEvent->FragmentPos(); |
125 |
pTriggerEvent = pNoteOnEvent; |
pTriggerEvent = pNoteOnEvent; |
126 |
|
pKillEvent = NULL; |
127 |
|
|
128 |
if (!pRegion) { |
if (!pRegion) { |
129 |
std::cerr << "gig::Voice: No Region defined for MIDI key " << MIDIKey << std::endl << std::flush; |
std::cerr << "gig::Voice: No Region defined for MIDI key " << MIDIKey << std::endl << std::flush; |
130 |
Kill(); |
KillImmediately(); |
131 |
return -1; |
return -1; |
132 |
} |
} |
133 |
|
|
134 |
|
KeyGroup = pRegion->KeyGroup; |
135 |
|
|
136 |
// get current dimension values to select the right dimension region |
// get current dimension values to select the right dimension region |
137 |
//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
138 |
uint DimValues[5] = {0,0,0,0,0}; |
uint DimValues[5] = {0,0,0,0,0}; |
146 |
// if this is the 1st layer then spawn further voices for all the other layers |
// if this is the 1st layer then spawn further voices for all the other layers |
147 |
if (iLayer == 0) |
if (iLayer == 0) |
148 |
for (int iNewLayer = 1; iNewLayer < pRegion->pDimensionDefinitions[i].zones; iNewLayer++) |
for (int iNewLayer = 1; iNewLayer < pRegion->pDimensionDefinitions[i].zones; iNewLayer++) |
149 |
pEngine->LaunchVoice(pNoteOnEvent, iNewLayer); |
pEngine->LaunchVoice(pNoteOnEvent, iNewLayer, ReleaseTriggerVoice); |
150 |
break; |
break; |
151 |
case ::gig::dimension_velocity: |
case ::gig::dimension_velocity: |
152 |
DimValues[i] = pNoteOnEvent->Velocity; |
DimValues[i] = pNoteOnEvent->Velocity; |
155 |
DimValues[i] = 0; //TODO: we currently ignore this dimension |
DimValues[i] = 0; //TODO: we currently ignore this dimension |
156 |
break; |
break; |
157 |
case ::gig::dimension_releasetrigger: |
case ::gig::dimension_releasetrigger: |
158 |
DimValues[i] = 0; //TODO: we currently ignore this dimension |
Type = (ReleaseTriggerVoice) ? type_release_trigger : (!iLayer) ? type_release_trigger_required : type_normal; |
159 |
|
DimValues[i] = (uint) ReleaseTriggerVoice; |
160 |
break; |
break; |
161 |
case ::gig::dimension_keyboard: |
case ::gig::dimension_keyboard: |
162 |
DimValues[i] = (uint) pNoteOnEvent->Key; |
DimValues[i] = (uint) pNoteOnEvent->Key; |
237 |
std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush; |
std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush; |
238 |
} |
} |
239 |
} |
} |
240 |
::gig::DimensionRegion* pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]); |
pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]); |
241 |
|
|
242 |
|
// get starting crossfade volume level |
243 |
|
switch (pDimRgn->AttenuationController.type) { |
244 |
|
case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
245 |
|
CrossfadeVolume = 1.0f; //TODO: aftertouch not supported yet |
246 |
|
break; |
247 |
|
case ::gig::attenuation_ctrl_t::type_velocity: |
248 |
|
CrossfadeVolume = CrossfadeAttenuation(pNoteOnEvent->Velocity); |
249 |
|
break; |
250 |
|
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
251 |
|
CrossfadeVolume = CrossfadeAttenuation(pEngine->ControllerTable[pDimRgn->AttenuationController.controller_number]); |
252 |
|
break; |
253 |
|
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
254 |
|
default: |
255 |
|
CrossfadeVolume = 1.0f; |
256 |
|
} |
257 |
|
|
258 |
pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
259 |
|
|
260 |
|
Pos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points) |
261 |
|
|
262 |
// Check if the sample needs disk streaming or is too short for that |
// Check if the sample needs disk streaming or is too short for that |
263 |
long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
264 |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
275 |
|
|
276 |
if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
277 |
dmsg(1,("Disk stream order failed!\n")); |
dmsg(1,("Disk stream order failed!\n")); |
278 |
Kill(); |
KillImmediately(); |
279 |
return -1; |
return -1; |
280 |
} |
} |
281 |
dmsg(4,("Disk voice launched (cached samples: %d, total Samples: %d, MaxRAMPos: %d, RAMLooping: %s)\n", cachedsamples, pSample->SamplesTotal, MaxRAMPos, (RAMLoop) ? "yes" : "no")); |
dmsg(4,("Disk voice launched (cached samples: %d, total Samples: %d, MaxRAMPos: %d, RAMLooping: %s)\n", cachedsamples, pSample->SamplesTotal, MaxRAMPos, (RAMLoop) ? "yes" : "no")); |
293 |
|
|
294 |
// calculate initial pitch value |
// calculate initial pitch value |
295 |
{ |
{ |
296 |
double pitchbasecents = pDimRgn->FineTune * 10; |
double pitchbasecents = pDimRgn->FineTune * 10 + (int) pEngine->ScaleTuning[MIDIKey % 12]; |
297 |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
298 |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate())); |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate())); |
299 |
this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents |
this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents |
606 |
} |
} |
607 |
#endif // ENABLE_FILTER |
#endif // ENABLE_FILTER |
608 |
|
|
|
// ************************************************ |
|
|
// TODO: ARTICULATION DATA HANDLING IS MISSING HERE |
|
|
// ************************************************ |
|
|
|
|
609 |
return 0; // success |
return 0; // success |
610 |
} |
} |
611 |
|
|
623 |
void Voice::Render(uint Samples) { |
void Voice::Render(uint Samples) { |
624 |
|
|
625 |
// Reset the synthesis parameter matrix |
// Reset the synthesis parameter matrix |
626 |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * pEngine->GlobalVolume); |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngine->GlobalVolume); |
627 |
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
628 |
#if ENABLE_FILTER |
#if ENABLE_FILTER |
629 |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
636 |
|
|
637 |
|
|
638 |
// Let all modulators write their parameter changes to the synthesis parameter matrix for the current audio fragment |
// Let all modulators write their parameter changes to the synthesis parameter matrix for the current audio fragment |
639 |
pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend, pKillEvent); |
640 |
#if ENABLE_FILTER |
#if ENABLE_FILTER |
641 |
pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
642 |
#endif // ENABLE_FILTER |
#endif // ENABLE_FILTER |
677 |
DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID); |
DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID); |
678 |
if (!DiskStreamRef.pStream) { |
if (!DiskStreamRef.pStream) { |
679 |
std::cout << stderr << "Disk stream not available in time!" << std::endl << std::flush; |
std::cout << stderr << "Disk stream not available in time!" << std::endl << std::flush; |
680 |
Kill(); |
KillImmediately(); |
681 |
return; |
return; |
682 |
} |
} |
683 |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (RTMath::DoubleToInt(Pos) - MaxRAMPos)); |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (RTMath::DoubleToInt(Pos) - MaxRAMPos)); |
698 |
break; |
break; |
699 |
|
|
700 |
case playback_state_end: |
case playback_state_end: |
701 |
Kill(); // free voice |
KillImmediately(); // free voice |
702 |
break; |
break; |
703 |
} |
} |
704 |
|
|
705 |
|
|
|
#if ENABLE_FILTER |
|
706 |
// Reset synthesis event lists (except VCO, as VCO events apply channel wide currently) |
// Reset synthesis event lists (except VCO, as VCO events apply channel wide currently) |
707 |
|
pEngine->pSynthesisEvents[Event::destination_vca]->clear(); |
708 |
|
#if ENABLE_FILTER |
709 |
pEngine->pSynthesisEvents[Event::destination_vcfc]->clear(); |
pEngine->pSynthesisEvents[Event::destination_vcfc]->clear(); |
710 |
pEngine->pSynthesisEvents[Event::destination_vcfr]->clear(); |
pEngine->pSynthesisEvents[Event::destination_vcfr]->clear(); |
711 |
#endif // ENABLE_FILTER |
#endif // ENABLE_FILTER |
769 |
if (pCCEvent->Controller == pLFO3->ExtController) { |
if (pCCEvent->Controller == pLFO3->ExtController) { |
770 |
pLFO3->SendEvent(pCCEvent); |
pLFO3->SendEvent(pCCEvent); |
771 |
} |
} |
772 |
|
if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
773 |
|
pCCEvent->Controller == pDimRgn->AttenuationController.controller_number) { // if crossfade event |
774 |
|
pEngine->pSynthesisEvents[Event::destination_vca]->alloc_assign(*pCCEvent); |
775 |
|
} |
776 |
} |
} |
777 |
|
|
778 |
pCCEvent = pEngine->pCCEvents->next(); |
pCCEvent = pEngine->pCCEvents->next(); |
812 |
if (pVCOEventList->last()) this->PitchBend = pitch; |
if (pVCOEventList->last()) this->PitchBend = pitch; |
813 |
} |
} |
814 |
|
|
815 |
|
// process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !) |
816 |
|
{ |
817 |
|
RTEList<Event>* pVCAEventList = pEngine->pSynthesisEvents[Event::destination_vca]; |
818 |
|
Event* pVCAEvent = pVCAEventList->first(); |
819 |
|
if (Delay) { // skip events that happened before this voice was triggered |
820 |
|
while (pVCAEvent && pVCAEvent->FragmentPos() <= Delay) pVCAEvent = pVCAEventList->next(); |
821 |
|
} |
822 |
|
float crossfadevolume; |
823 |
|
while (pVCAEvent) { |
824 |
|
Event* pNextVCAEvent = pVCAEventList->next(); |
825 |
|
|
826 |
|
// calculate the influence length of this event (in sample points) |
827 |
|
uint end = (pNextVCAEvent) ? pNextVCAEvent->FragmentPos() : Samples; |
828 |
|
|
829 |
|
crossfadevolume = CrossfadeAttenuation(pVCAEvent->Value); |
830 |
|
|
831 |
|
float effective_volume = crossfadevolume * this->Volume * pEngine->GlobalVolume; |
832 |
|
|
833 |
|
// apply volume value to the volume parameter sequence |
834 |
|
for (uint i = pVCAEvent->FragmentPos(); i < end; i++) { |
835 |
|
pEngine->pSynthesisParameters[Event::destination_vca][i] = effective_volume; |
836 |
|
} |
837 |
|
|
838 |
|
pVCAEvent = pNextVCAEvent; |
839 |
|
} |
840 |
|
if (pVCAEventList->last()) this->CrossfadeVolume = crossfadevolume; |
841 |
|
} |
842 |
|
|
843 |
#if ENABLE_FILTER |
#if ENABLE_FILTER |
844 |
// process filter cutoff events |
// process filter cutoff events |
1063 |
} |
} |
1064 |
|
|
1065 |
/** |
/** |
1066 |
* Immediately kill the voice. |
* Immediately kill the voice. This method should not be used to kill |
1067 |
|
* a normal, active voice, because it doesn't take care of things like |
1068 |
|
* fading down the volume level to avoid clicks and regular processing |
1069 |
|
* until the kill event actually occured! |
1070 |
|
* |
1071 |
|
* @see Kill() |
1072 |
*/ |
*/ |
1073 |
void Voice::Kill() { |
void Voice::KillImmediately() { |
1074 |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
1075 |
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
1076 |
} |
} |
1077 |
Reset(); |
Reset(); |
1078 |
} |
} |
1079 |
|
|
1080 |
|
/** |
1081 |
|
* Kill the voice in regular sense. Let the voice render audio until |
1082 |
|
* the kill event actually occured and then fade down the volume level |
1083 |
|
* very quickly and let the voice die finally. Unlike a normal release |
1084 |
|
* of a voice, a kill process cannot be cancalled and is therefore |
1085 |
|
* usually used for voice stealing and key group conflicts. |
1086 |
|
* |
1087 |
|
* @param pKillEvent - event which caused the voice to be killed |
1088 |
|
*/ |
1089 |
|
void Voice::Kill(Event* pKillEvent) { |
1090 |
|
if (pTriggerEvent && pKillEvent->FragmentPos() <= pTriggerEvent->FragmentPos()) return; |
1091 |
|
this->pKillEvent = pKillEvent; |
1092 |
|
} |
1093 |
|
|
1094 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |