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namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
29 |
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30 |
// FIXME: no support for layers (nor crossfades) yet |
// TODO: no support for crossfades yet |
31 |
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32 |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
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107 |
* @param pNoteOnEvent - event that caused triggering of this voice |
* @param pNoteOnEvent - event that caused triggering of this voice |
108 |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
109 |
* @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 |
110 |
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* @param iLayer - layer number this voice refers to (only if this is a layered sound of course) |
111 |
* @returns 0 on success, a value < 0 if something failed |
* @returns 0 on success, a value < 0 if something failed |
112 |
*/ |
*/ |
113 |
int Voice::Trigger(Event* pNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument) { |
int Voice::Trigger(Event* pNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer) { |
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); |
120 |
MIDIKey = pNoteOnEvent->Key; |
MIDIKey = pNoteOnEvent->Key; |
121 |
pRegion = pInstrument->GetRegion(MIDIKey); |
pRegion = pInstrument->GetRegion(MIDIKey); |
122 |
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 |
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Pos = 0; |
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123 |
Delay = pNoteOnEvent->FragmentPos(); |
Delay = pNoteOnEvent->FragmentPos(); |
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pTriggerEvent = pNoteOnEvent; |
pTriggerEvent = pNoteOnEvent; |
125 |
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126 |
if (!pRegion) { |
if (!pRegion) { |
127 |
std::cerr << "Audio Thread: 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; |
128 |
Kill(); |
Kill(); |
129 |
return -1; |
return -1; |
130 |
} |
} |
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//TODO: current MIDI controller values are not taken into account yet |
// get current dimension values to select the right dimension region |
133 |
::gig::DimensionRegion* pDimRgn = NULL; |
//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
134 |
for (int i = pRegion->Dimensions - 1; i >= 0; i--) { // Check if instrument has a velocity split |
uint DimValues[5] = {0,0,0,0,0}; |
135 |
if (pRegion->pDimensionDefinitions[i].dimension == ::gig::dimension_velocity) { |
for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
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uint DimValues[5] = {0,0,0,0,0}; |
switch (pRegion->pDimensionDefinitions[i].dimension) { |
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case ::gig::dimension_samplechannel: |
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DimValues[i] = 0; //TODO: we currently ignore this dimension |
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break; |
140 |
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case ::gig::dimension_layer: |
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DimValues[i] = iLayer; |
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// if this is the 1st layer then spawn further voices for all the other layers |
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if (iLayer == 0) |
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for (int iNewLayer = 1; iNewLayer < pRegion->pDimensionDefinitions[i].zones; iNewLayer++) |
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pEngine->LaunchVoice(pNoteOnEvent, iNewLayer); |
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break; |
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case ::gig::dimension_velocity: |
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DimValues[i] = pNoteOnEvent->Velocity; |
DimValues[i] = pNoteOnEvent->Velocity; |
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pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]); |
break; |
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break; |
case ::gig::dimension_channelaftertouch: |
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DimValues[i] = 0; //TODO: we currently ignore this dimension |
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break; |
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case ::gig::dimension_releasetrigger: |
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DimValues[i] = 0; //TODO: we currently ignore this dimension |
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break; |
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case ::gig::dimension_keyboard: |
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DimValues[i] = (uint) pNoteOnEvent->Key; |
158 |
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break; |
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case ::gig::dimension_modwheel: |
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DimValues[i] = pEngine->ControllerTable[1]; |
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break; |
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case ::gig::dimension_breath: |
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DimValues[i] = pEngine->ControllerTable[2]; |
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break; |
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case ::gig::dimension_foot: |
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DimValues[i] = pEngine->ControllerTable[4]; |
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break; |
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case ::gig::dimension_portamentotime: |
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DimValues[i] = pEngine->ControllerTable[5]; |
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break; |
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case ::gig::dimension_effect1: |
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DimValues[i] = pEngine->ControllerTable[12]; |
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break; |
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case ::gig::dimension_effect2: |
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DimValues[i] = pEngine->ControllerTable[13]; |
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break; |
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case ::gig::dimension_genpurpose1: |
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DimValues[i] = pEngine->ControllerTable[16]; |
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break; |
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case ::gig::dimension_genpurpose2: |
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DimValues[i] = pEngine->ControllerTable[17]; |
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break; |
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case ::gig::dimension_genpurpose3: |
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DimValues[i] = pEngine->ControllerTable[18]; |
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break; |
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case ::gig::dimension_genpurpose4: |
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DimValues[i] = pEngine->ControllerTable[19]; |
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break; |
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case ::gig::dimension_sustainpedal: |
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DimValues[i] = pEngine->ControllerTable[64]; |
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break; |
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case ::gig::dimension_portamento: |
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DimValues[i] = pEngine->ControllerTable[65]; |
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break; |
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case ::gig::dimension_sostenutopedal: |
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DimValues[i] = pEngine->ControllerTable[66]; |
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break; |
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case ::gig::dimension_softpedal: |
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DimValues[i] = pEngine->ControllerTable[67]; |
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break; |
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case ::gig::dimension_genpurpose5: |
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DimValues[i] = pEngine->ControllerTable[80]; |
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break; |
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case ::gig::dimension_genpurpose6: |
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DimValues[i] = pEngine->ControllerTable[81]; |
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break; |
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case ::gig::dimension_genpurpose7: |
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DimValues[i] = pEngine->ControllerTable[82]; |
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break; |
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case ::gig::dimension_genpurpose8: |
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DimValues[i] = pEngine->ControllerTable[83]; |
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break; |
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case ::gig::dimension_effect1depth: |
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DimValues[i] = pEngine->ControllerTable[91]; |
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break; |
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case ::gig::dimension_effect2depth: |
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DimValues[i] = pEngine->ControllerTable[92]; |
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break; |
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case ::gig::dimension_effect3depth: |
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DimValues[i] = pEngine->ControllerTable[93]; |
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break; |
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case ::gig::dimension_effect4depth: |
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DimValues[i] = pEngine->ControllerTable[94]; |
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break; |
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case ::gig::dimension_effect5depth: |
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DimValues[i] = pEngine->ControllerTable[95]; |
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break; |
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case ::gig::dimension_none: |
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std::cerr << "gig::Voice::Trigger() Error: dimension=none\n" << std::flush; |
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break; |
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default: |
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std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush; |
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} |
} |
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} |
} |
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if (!pDimRgn) { // if there was no velocity split |
pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]); |
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pDimRgn = pRegion->GetDimensionRegionByValue(0,0,0,0,0); |
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// get starting crossfade volume level |
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switch (pDimRgn->AttenuationController.type) { |
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case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
240 |
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CrossfadeVolume = 1.0f; //TODO: aftertouch not supported yet |
241 |
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break; |
242 |
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case ::gig::attenuation_ctrl_t::type_velocity: |
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CrossfadeVolume = CrossfadeAttenuation(pNoteOnEvent->Velocity); |
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break; |
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case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
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CrossfadeVolume = CrossfadeAttenuation(pEngine->ControllerTable[pDimRgn->AttenuationController.controller_number]); |
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break; |
248 |
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case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
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default: |
250 |
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CrossfadeVolume = 1.0f; |
251 |
} |
} |
252 |
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253 |
pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
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Pos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points) |
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// 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 |
258 |
long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
259 |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
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{ |
{ |
291 |
double pitchbasecents = pDimRgn->FineTune * 10; |
double pitchbasecents = pDimRgn->FineTune * 10; |
292 |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
293 |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents); |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate())); |
294 |
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 |
295 |
} |
} |
296 |
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void Voice::Render(uint Samples) { |
void Voice::Render(uint Samples) { |
623 |
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// Reset the synthesis parameter matrix |
// Reset the synthesis parameter matrix |
625 |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * pEngine->GlobalVolume); |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngine->GlobalVolume); |
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pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
627 |
#if ENABLE_FILTER |
#if ENABLE_FILTER |
628 |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
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} |
} |
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#if ENABLE_FILTER |
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// 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) |
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pEngine->pSynthesisEvents[Event::destination_vca]->clear(); |
707 |
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#if ENABLE_FILTER |
708 |
pEngine->pSynthesisEvents[Event::destination_vcfc]->clear(); |
pEngine->pSynthesisEvents[Event::destination_vcfc]->clear(); |
709 |
pEngine->pSynthesisEvents[Event::destination_vcfr]->clear(); |
pEngine->pSynthesisEvents[Event::destination_vcfr]->clear(); |
710 |
#endif // ENABLE_FILTER |
#endif // ENABLE_FILTER |
768 |
if (pCCEvent->Controller == pLFO3->ExtController) { |
if (pCCEvent->Controller == pLFO3->ExtController) { |
769 |
pLFO3->SendEvent(pCCEvent); |
pLFO3->SendEvent(pCCEvent); |
770 |
} |
} |
771 |
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if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
772 |
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pCCEvent->Controller == pDimRgn->AttenuationController.controller_number) { // if crossfade event |
773 |
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pEngine->pSynthesisEvents[Event::destination_vca]->alloc_assign(*pCCEvent); |
774 |
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} |
775 |
} |
} |
776 |
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777 |
pCCEvent = pEngine->pCCEvents->next(); |
pCCEvent = pEngine->pCCEvents->next(); |
811 |
if (pVCOEventList->last()) this->PitchBend = pitch; |
if (pVCOEventList->last()) this->PitchBend = pitch; |
812 |
} |
} |
813 |
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814 |
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// process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !) |
815 |
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{ |
816 |
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RTEList<Event>* pVCAEventList = pEngine->pSynthesisEvents[Event::destination_vca]; |
817 |
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Event* pVCAEvent = pVCAEventList->first(); |
818 |
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if (Delay) { // skip events that happened before this voice was triggered |
819 |
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while (pVCAEvent && pVCAEvent->FragmentPos() <= Delay) pVCAEvent = pVCAEventList->next(); |
820 |
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} |
821 |
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float crossfadevolume; |
822 |
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while (pVCAEvent) { |
823 |
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Event* pNextVCAEvent = pVCAEventList->next(); |
824 |
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825 |
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// calculate the influence length of this event (in sample points) |
826 |
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uint end = (pNextVCAEvent) ? pNextVCAEvent->FragmentPos() : Samples; |
827 |
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828 |
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crossfadevolume = CrossfadeAttenuation(pVCAEvent->Value); |
829 |
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830 |
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float effective_volume = crossfadevolume * this->Volume * pEngine->GlobalVolume; |
831 |
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832 |
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// apply volume value to the volume parameter sequence |
833 |
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for (uint i = pVCAEvent->FragmentPos(); i < end; i++) { |
834 |
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pEngine->pSynthesisParameters[Event::destination_vca][i] = effective_volume; |
835 |
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} |
836 |
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837 |
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pVCAEvent = pNextVCAEvent; |
838 |
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} |
839 |
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if (pVCAEventList->last()) this->CrossfadeVolume = crossfadevolume; |
840 |
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} |
841 |
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842 |
#if ENABLE_FILTER |
#if ENABLE_FILTER |
843 |
// process filter cutoff events |
// process filter cutoff events |