4 |
* * |
* * |
5 |
* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
6 |
* Copyright (C) 2005-2008 Christian Schoenebeck * |
* Copyright (C) 2005-2008 Christian Schoenebeck * |
7 |
* Copyright (C) 2009-2012 Christian Schoenebeck and Grigor Iliev * |
* Copyright (C) 2009-2015 Christian Schoenebeck and Grigor Iliev * |
8 |
* * |
* * |
9 |
* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
10 |
* 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 * |
110 |
#endif // CONFIG_DEVMODE |
#endif // CONFIG_DEVMODE |
111 |
|
|
112 |
Type = VoiceType; |
Type = VoiceType; |
113 |
MIDIKey = itNoteOnEvent->Param.Note.Key; |
pNote = pEngineChannel->pEngine->NoteByID( itNoteOnEvent->Param.Note.ID ); |
|
MIDIVelocity = itNoteOnEvent->Param.Note.Velocity; |
|
114 |
PlaybackState = playback_state_init; // mark voice as triggered, but no audio rendered yet |
PlaybackState = playback_state_init; // mark voice as triggered, but no audio rendered yet |
115 |
Delay = itNoteOnEvent->FragmentPos(); |
Delay = itNoteOnEvent->FragmentPos(); |
116 |
itTriggerEvent = itNoteOnEvent; |
itTriggerEvent = itNoteOnEvent; |
117 |
itKillEvent = Pool<Event>::Iterator(); |
itKillEvent = Pool<Event>::Iterator(); |
118 |
MidiKeyBase* pKeyInfo = GetMidiKeyInfo(MIDIKey); |
MidiKeyBase* pKeyInfo = GetMidiKeyInfo(MIDIKey()); |
119 |
|
|
120 |
pGroupEvents = iKeyGroup ? pEngineChannel->ActiveKeyGroups[iKeyGroup] : 0; |
pGroupEvents = iKeyGroup ? pEngineChannel->ActiveKeyGroups[iKeyGroup] : 0; |
121 |
|
|
143 |
VolumeLeft = volume * pKeyInfo->PanLeft; |
VolumeLeft = volume * pKeyInfo->PanLeft; |
144 |
VolumeRight = volume * pKeyInfo->PanRight; |
VolumeRight = volume * pKeyInfo->PanRight; |
145 |
|
|
146 |
float subfragmentRate = GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE; |
// this rate is used for rather mellow volume fades |
147 |
|
const float subfragmentRate = GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE; |
148 |
|
// this rate is used for very fast volume fades |
149 |
|
const float quickRampRate = RTMath::Min(subfragmentRate, GetEngine()->SampleRate * 0.001f /* 1ms */); |
150 |
CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate); |
CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate); |
151 |
|
|
152 |
VolumeSmoother.trigger(pEngineChannel->MidiVolume, subfragmentRate); |
VolumeSmoother.trigger(pEngineChannel->MidiVolume, subfragmentRate); |
153 |
|
NoteVolumeSmoother.trigger(pNote ? pNote->Override.Volume : 1.f, quickRampRate); |
154 |
|
|
155 |
// 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 |
156 |
long cachedsamples = GetSampleCacheSize() / SmplInfo.FrameSize; |
long cachedsamples = GetSampleCacheSize() / SmplInfo.FrameSize; |
174 |
RAMLoop = (SmplInfo.HasLoops && (SmplInfo.LoopStart + SmplInfo.LoopLength) <= MaxRAMPos); |
RAMLoop = (SmplInfo.HasLoops && (SmplInfo.LoopStart + SmplInfo.LoopLength) <= MaxRAMPos); |
175 |
|
|
176 |
if (OrderNewStream()) return -1; |
if (OrderNewStream()) return -1; |
177 |
dmsg(4,("Disk voice launched (cached samples: %d, total Samples: %d, MaxRAMPos: %d, RAMLooping: %s)\n", cachedsamples, SmplInfo.TotalFrameCount, MaxRAMPos, (RAMLoop) ? "yes" : "no")); |
dmsg(4,("Disk voice launched (cached samples: %ld, total Samples: %d, MaxRAMPos: %lu, RAMLooping: %s)\n", cachedsamples, SmplInfo.TotalFrameCount, MaxRAMPos, (RAMLoop) ? "yes" : "no")); |
178 |
} |
} |
179 |
else { // RAM only voice |
else { // RAM only voice |
180 |
MaxRAMPos = cachedsamples; |
MaxRAMPos = cachedsamples; |
190 |
} |
} |
191 |
|
|
192 |
Pitch = CalculatePitchInfo(PitchBend); |
Pitch = CalculatePitchInfo(PitchBend); |
193 |
|
NotePitch = (pNote) ? pNote->Override.Pitch : 1.0f; |
194 |
|
NoteCutoff = (pNote) ? pNote->Override.Cutoff : 1.0f; |
195 |
|
NoteResonance = (pNote) ? pNote->Override.Resonance : 1.0f; |
196 |
|
|
197 |
// the length of the decay and release curves are dependent on the velocity |
// the length of the decay and release curves are dependent on the velocity |
198 |
const double velrelease = 1 / GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity); |
const double velrelease = 1 / GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity); |
204 |
// calculate influence of EG1 controller on EG1's parameters |
// calculate influence of EG1 controller on EG1's parameters |
205 |
EGInfo egInfo = CalculateEG1ControllerInfluence(eg1controllervalue); |
EGInfo egInfo = CalculateEG1ControllerInfluence(eg1controllervalue); |
206 |
|
|
207 |
|
if (pNote) { |
208 |
|
egInfo.Attack *= pNote->Override.Attack; |
209 |
|
egInfo.Decay *= pNote->Override.Decay; |
210 |
|
egInfo.Release *= pNote->Override.Release; |
211 |
|
} |
212 |
|
|
213 |
TriggerEG1(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity); |
TriggerEG1(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity); |
214 |
} else { |
} else { |
215 |
pSignalUnitRack->Trigger(); |
pSignalUnitRack->Trigger(); |
216 |
} |
} |
217 |
|
|
218 |
uint8_t pan = MIDIPan; |
const uint8_t pan = (pSignalUnitRack) ? pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan) : MIDIPan; |
219 |
if (pSignalUnitRack) pan = pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan); |
NotePanLeft = (pNote) ? AbstractEngine::PanCurveValueNorm(pNote->Override.Pan, 0 /*left*/ ) : 1.f; |
220 |
PanLeftSmoother.trigger(AbstractEngine::PanCurve[128 - pan], subfragmentRate); |
NotePanRight = (pNote) ? AbstractEngine::PanCurveValueNorm(pNote->Override.Pan, 1 /*right*/) : 1.f; |
221 |
PanRightSmoother.trigger(AbstractEngine::PanCurve[pan], subfragmentRate); |
PanLeftSmoother.trigger( |
222 |
|
AbstractEngine::PanCurve[128 - pan] * NotePanLeft, |
223 |
|
quickRampRate //NOTE: maybe we should have 2 separate pan smoothers, one for MIDI CC10 (with slow rate) and one for instrument script change_pan() calls (with fast rate) |
224 |
|
); |
225 |
|
PanRightSmoother.trigger( |
226 |
|
AbstractEngine::PanCurve[pan] * NotePanRight, |
227 |
|
quickRampRate //NOTE: maybe we should have 2 separate pan smoothers, one for MIDI CC10 (with slow rate) and one for instrument script change_pan() calls (with fast rate) |
228 |
|
); |
229 |
|
|
230 |
#ifdef CONFIG_INTERPOLATE_VOLUME |
#ifdef CONFIG_INTERPOLATE_VOLUME |
231 |
// setup initial volume in synthesis parameters |
// setup initial volume in synthesis parameters |
268 |
// if portamento mode is on, we dedicate EG3 purely for portamento, otherwise if portamento is off we do as told by the patch |
// if portamento mode is on, we dedicate EG3 purely for portamento, otherwise if portamento is off we do as told by the patch |
269 |
bool bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f; |
bool bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f; |
270 |
float eg3depth = (bPortamento) |
float eg3depth = (bPortamento) |
271 |
? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey) * 100) |
? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey()) * 100) |
272 |
: RTMath::CentsToFreqRatio(RgnInfo.EG3Depth); |
: RTMath::CentsToFreqRatio(RgnInfo.EG3Depth); |
273 |
float eg3time = (bPortamento) |
float eg3time = (bPortamento) |
274 |
? pEngineChannel->PortamentoTime |
? pEngineChannel->PortamentoTime |
373 |
} |
} |
374 |
|
|
375 |
AbstractEngineChannel* pChannel = pEngineChannel; |
AbstractEngineChannel* pChannel = pEngineChannel; |
376 |
MidiKeyBase* pMidiKeyInfo = GetMidiKeyInfo(MIDIKey); |
MidiKeyBase* pMidiKeyInfo = GetMidiKeyInfo(MIDIKey()); |
377 |
|
|
378 |
const bool bVoiceRequiresDedicatedRouting = |
const bool bVoiceRequiresDedicatedRouting = |
379 |
pEngineChannel->GetFxSendCount() > 0 && |
pEngineChannel->GetFxSendCount() > 0 && |
399 |
|
|
400 |
RTList<Event>::Iterator itCCEvent = pChannel->pEvents->first(); |
RTList<Event>::Iterator itCCEvent = pChannel->pEvents->first(); |
401 |
RTList<Event>::Iterator itNoteEvent; |
RTList<Event>::Iterator itNoteEvent; |
402 |
GetFirstEventOnKey(MIDIKey, itNoteEvent); |
GetFirstEventOnKey(HostKey(), itNoteEvent); |
403 |
|
|
404 |
RTList<Event>::Iterator itGroupEvent; |
RTList<Event>::Iterator itGroupEvent; |
405 |
if (pGroupEvents && !Orphan) itGroupEvent = pGroupEvents->first(); |
if (pGroupEvents && !Orphan) itGroupEvent = pGroupEvents->first(); |
447 |
fFinalCutoff = VCFCutoffCtrl.fvalue; |
fFinalCutoff = VCFCutoffCtrl.fvalue; |
448 |
fFinalResonance = VCFResonanceCtrl.fvalue; |
fFinalResonance = VCFResonanceCtrl.fvalue; |
449 |
|
|
450 |
// process MIDI control change and pitchbend events for this subfragment |
// process MIDI control change, aftertouch and pitchbend events for this subfragment |
451 |
processCCEvents(itCCEvent, iSubFragmentEnd); |
processCCEvents(itCCEvent, iSubFragmentEnd); |
452 |
uint8_t pan = MIDIPan; |
uint8_t pan = MIDIPan; |
453 |
if (pSignalUnitRack != NULL) pan = pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan); |
if (pSignalUnitRack != NULL) pan = pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan); |
|
|
|
|
PanLeftSmoother.update(AbstractEngine::PanCurve[128 - pan]); |
|
|
PanRightSmoother.update(AbstractEngine::PanCurve[pan]); |
|
454 |
|
|
455 |
finalSynthesisParameters.fFinalPitch = Pitch.PitchBase * Pitch.PitchBend; |
PanLeftSmoother.update(AbstractEngine::PanCurve[128 - pan] * NotePanLeft); |
456 |
float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render(); |
PanRightSmoother.update(AbstractEngine::PanCurve[pan] * NotePanRight); |
457 |
|
|
458 |
|
finalSynthesisParameters.fFinalPitch = Pitch.PitchBase * Pitch.PitchBend * NotePitch; |
459 |
|
|
460 |
|
float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render() * NoteVolumeSmoother.render(); |
461 |
#ifdef CONFIG_PROCESS_MUTED_CHANNELS |
#ifdef CONFIG_PROCESS_MUTED_CHANNELS |
462 |
if (pChannel->GetMute()) fFinalVolume = 0; |
if (pChannel->GetMute()) fFinalVolume = 0; |
463 |
#endif |
#endif |
509 |
|
|
510 |
// process low frequency oscillators |
// process low frequency oscillators |
511 |
if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render()); |
if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render()); |
512 |
if (bLFO2Enabled) fFinalCutoff *= pLFO2->render(); |
if (bLFO2Enabled) fFinalCutoff *= (1.0f - pLFO2->render()); |
513 |
if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render()); |
if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render()); |
514 |
} else { |
} else { |
515 |
// if the voice was killed in this subfragment, enter fade out stage |
// if the voice was killed in this subfragment, enter fade out stage |
534 |
pSignalUnitRack->GetEndpointUnit()->CalculatePitch(finalSynthesisParameters.fFinalPitch); |
pSignalUnitRack->GetEndpointUnit()->CalculatePitch(finalSynthesisParameters.fFinalPitch); |
535 |
|
|
536 |
} |
} |
537 |
|
|
538 |
|
fFinalCutoff *= NoteCutoff; |
539 |
|
fFinalResonance *= NoteResonance; |
540 |
|
|
541 |
// limit the pitch so we don't read outside the buffer |
// limit the pitch so we don't read outside the buffer |
542 |
finalSynthesisParameters.fFinalPitch = RTMath::Min(finalSynthesisParameters.fFinalPitch, float(1 << CONFIG_MAX_PITCH)); |
finalSynthesisParameters.fFinalPitch = RTMath::Min(finalSynthesisParameters.fFinalPitch, float(1 << CONFIG_MAX_PITCH)); |
543 |
|
|
635 |
} |
} |
636 |
|
|
637 |
/** |
/** |
638 |
* Process given list of MIDI control change and pitch bend events for |
* Process given list of MIDI control change, aftertouch and pitch bend |
639 |
* the given time. |
* events for the given time. |
640 |
* |
* |
641 |
* @param itEvent - iterator pointing to the next event to be processed |
* @param itEvent - iterator pointing to the next event to be processed |
642 |
* @param End - youngest time stamp where processing should be stopped |
* @param End - youngest time stamp where processing should be stopped |
668 |
} |
} |
669 |
} else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event |
} else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event |
670 |
processPitchEvent(itEvent); |
processPitchEvent(itEvent); |
671 |
|
} else if (itEvent->Type == Event::type_channel_pressure) { |
672 |
|
ProcessChannelPressureEvent(itEvent); |
673 |
|
} else if (itEvent->Type == Event::type_note_pressure) { |
674 |
|
ProcessPolyphonicKeyPressureEvent(itEvent); |
675 |
} |
} |
676 |
|
|
677 |
ProcessCCEvent(itEvent); |
ProcessCCEvent(itEvent); |
696 |
} |
} |
697 |
|
|
698 |
/** |
/** |
699 |
* Process given list of MIDI note on, note off and sustain pedal events |
* Process given list of MIDI note on, note off, sustain pedal events and |
700 |
* for the given time. |
* note synthesis parameter events for the given time. |
701 |
* |
* |
702 |
* @param itEvent - iterator pointing to the next event to be processed |
* @param itEvent - iterator pointing to the next event to be processed |
703 |
* @param End - youngest time stamp where processing should be stopped |
* @param End - youngest time stamp where processing should be stopped |
706 |
for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) { |
for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) { |
707 |
// some voice types ignore note off |
// some voice types ignore note off |
708 |
if (!(Type & (Voice::type_one_shot | Voice::type_release_trigger | Voice::type_controller_triggered))) { |
if (!(Type & (Voice::type_one_shot | Voice::type_release_trigger | Voice::type_controller_triggered))) { |
709 |
if (itEvent->Type == Event::type_release) { |
if (itEvent->Type == Event::type_release_key) { |
710 |
EnterReleaseStage(); |
EnterReleaseStage(); |
711 |
} else if (itEvent->Type == Event::type_cancel_release) { |
} else if (itEvent->Type == Event::type_cancel_release_key) { |
712 |
if (pSignalUnitRack == NULL) { |
if (pSignalUnitRack == NULL) { |
713 |
pEG1->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
pEG1->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
714 |
pEG2->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
pEG2->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
717 |
} |
} |
718 |
} |
} |
719 |
} |
} |
720 |
|
// process stop-note events (caused by built-in instrument script function note_off()) |
721 |
|
if (itEvent->Type == Event::type_release_note && pNote && |
722 |
|
pEngineChannel->pEngine->NoteByID( itEvent->Param.Note.ID ) == pNote) |
723 |
|
{ |
724 |
|
EnterReleaseStage(); |
725 |
|
} |
726 |
|
// process synthesis parameter events (caused by built-in realt-time instrument script functions) |
727 |
|
if (itEvent->Type == Event::type_note_synth_param && pNote && |
728 |
|
pEngineChannel->pEngine->NoteByID( itEvent->Param.NoteSynthParam.NoteID ) == pNote) |
729 |
|
{ |
730 |
|
switch (itEvent->Param.NoteSynthParam.Type) { |
731 |
|
case Event::synth_param_volume: |
732 |
|
NoteVolumeSmoother.update(itEvent->Param.NoteSynthParam.AbsValue); |
733 |
|
break; |
734 |
|
case Event::synth_param_pitch: |
735 |
|
NotePitch = itEvent->Param.NoteSynthParam.AbsValue; |
736 |
|
break; |
737 |
|
case Event::synth_param_pan: |
738 |
|
NotePanLeft = AbstractEngine::PanCurveValueNorm(itEvent->Param.NoteSynthParam.AbsValue, 0 /*left*/); |
739 |
|
NotePanRight = AbstractEngine::PanCurveValueNorm(itEvent->Param.NoteSynthParam.AbsValue, 1 /*right*/); |
740 |
|
break; |
741 |
|
case Event::synth_param_cutoff: |
742 |
|
NoteCutoff = itEvent->Param.NoteSynthParam.AbsValue; |
743 |
|
break; |
744 |
|
case Event::synth_param_resonance: |
745 |
|
NoteResonance = itEvent->Param.NoteSynthParam.AbsValue; |
746 |
|
break; |
747 |
|
} |
748 |
|
} |
749 |
} |
} |
750 |
} |
} |
751 |
|
|
772 |
void AbstractVoice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) { |
void AbstractVoice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) { |
773 |
if (pSignalUnitRack == NULL) { |
if (pSignalUnitRack == NULL) { |
774 |
const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos()); |
const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos()); |
775 |
pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f; |
pEngineChannel->PortamentoPos = (float) MIDIKey() + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f; |
776 |
} else { |
} else { |
777 |
// TODO: |
// TODO: |
778 |
} |
} |
799 |
|
|
800 |
Voice::PitchInfo AbstractVoice::CalculatePitchInfo(int PitchBend) { |
Voice::PitchInfo AbstractVoice::CalculatePitchInfo(int PitchBend) { |
801 |
PitchInfo pitch; |
PitchInfo pitch; |
802 |
double pitchbasecents = InstrInfo.FineTune + RgnInfo.FineTune + GetEngine()->ScaleTuning[MIDIKey % 12]; |
double pitchbasecents = InstrInfo.FineTune + RgnInfo.FineTune + GetEngine()->ScaleTuning[MIDIKey() % 12]; |
803 |
|
|
804 |
// GSt behaviour: maximum transpose up is 40 semitones. If |
// GSt behaviour: maximum transpose up is 40 semitones. If |
805 |
// MIDI key is more than 40 semitones above unity note, |
// MIDI key is more than 40 semitones above unity note, |
806 |
// the transpose is not done. |
// the transpose is not done. |
807 |
if (!SmplInfo.Unpitched && (MIDIKey - (int) RgnInfo.UnityNote) < 40) pitchbasecents += (MIDIKey - (int) RgnInfo.UnityNote) * 100; |
if (!SmplInfo.Unpitched && (MIDIKey() - (int) RgnInfo.UnityNote) < 40) pitchbasecents += (MIDIKey() - (int) RgnInfo.UnityNote) * 100; |
808 |
|
|
809 |
pitch.PitchBase = RTMath::CentsToFreqRatioUnlimited(pitchbasecents) * (double(SmplInfo.SampleRate) / double(GetEngine()->SampleRate)); |
pitch.PitchBase = RTMath::CentsToFreqRatioUnlimited(pitchbasecents) * (double(SmplInfo.SampleRate) / double(GetEngine()->SampleRate)); |
810 |
pitch.PitchBendRange = 1.0 / 8192.0 * 100.0 * InstrInfo.PitchbendRange; |
pitch.PitchBendRange = 1.0 / 8192.0 * 100.0 * InstrInfo.PitchbendRange; |
812 |
|
|
813 |
return pitch; |
return pitch; |
814 |
} |
} |
815 |
|
|
816 |
|
void AbstractVoice::onScaleTuningChanged() { |
817 |
|
PitchInfo pitch = this->Pitch; |
818 |
|
double pitchbasecents = InstrInfo.FineTune + RgnInfo.FineTune + GetEngine()->ScaleTuning[MIDIKey() % 12]; |
819 |
|
|
820 |
|
// GSt behaviour: maximum transpose up is 40 semitones. If |
821 |
|
// MIDI key is more than 40 semitones above unity note, |
822 |
|
// the transpose is not done. |
823 |
|
if (!SmplInfo.Unpitched && (MIDIKey() - (int) RgnInfo.UnityNote) < 40) pitchbasecents += (MIDIKey() - (int) RgnInfo.UnityNote) * 100; |
824 |
|
|
825 |
|
pitch.PitchBase = RTMath::CentsToFreqRatioUnlimited(pitchbasecents) * (double(SmplInfo.SampleRate) / double(GetEngine()->SampleRate)); |
826 |
|
this->Pitch = pitch; |
827 |
|
} |
828 |
|
|
829 |
double AbstractVoice::CalculateVolume(double velocityAttenuation) { |
double AbstractVoice::CalculateVolume(double velocityAttenuation) { |
830 |
// For 16 bit samples, we downscale by 32768 to convert from |
// For 16 bit samples, we downscale by 32768 to convert from |
837 |
// the volume of release triggered samples depends on note length |
// the volume of release triggered samples depends on note length |
838 |
if (Type & Voice::type_release_trigger) { |
if (Type & Voice::type_release_trigger) { |
839 |
float noteLength = float(GetEngine()->FrameTime + Delay - |
float noteLength = float(GetEngine()->FrameTime + Delay - |
840 |
GetNoteOnTime(MIDIKey) ) / GetEngine()->SampleRate; |
GetNoteOnTime(MIDIKey()) ) / GetEngine()->SampleRate; |
841 |
|
|
842 |
volume *= GetReleaseTriggerAttenuation(noteLength); |
volume *= GetReleaseTriggerAttenuation(noteLength); |
843 |
} |
} |