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namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
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const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
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float Voice::CalculateFilterCutoffCoeff() { |
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return log(CONFIG_FILTER_CUTOFF_MAX / CONFIG_FILTER_CUTOFF_MIN); |
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} |
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Voice::Voice() { |
Voice::Voice() { |
33 |
pEngine = NULL; |
pEngine = NULL; |
34 |
pDiskThread = NULL; |
pDiskThread = NULL; |
98 |
// calculate volume |
// calculate volume |
99 |
const double velocityAttenuation = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity); |
const double velocityAttenuation = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity); |
100 |
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101 |
float volume = velocityAttenuation / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0) |
// For 16 bit samples, we downscale by 32768 to convert from |
102 |
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// int16 value range to DSP value range (which is |
103 |
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// -1.0..1.0). For 24 bit, we downscale from int32. |
104 |
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float volume = velocityAttenuation / (pSample->BitDepth == 16 ? 32768.0f : 32768.0f * 65536.0f); |
105 |
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106 |
volume *= pDimRgn->SampleAttenuation; |
volume *= pDimRgn->SampleAttenuation; |
107 |
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116 |
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117 |
// select channel mode (mono or stereo) |
// select channel mode (mono or stereo) |
118 |
SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2); |
SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2); |
119 |
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// select bit depth (16 or 24) |
120 |
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SYNTHESIS_MODE_SET_BITDEPTH24(SynthesisMode, pSample->BitDepth == 24); |
121 |
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122 |
// get starting crossfade volume level |
// get starting crossfade volume level |
123 |
float crossfadeVolume; |
float crossfadeVolume; |
124 |
switch (pDimRgn->AttenuationController.type) { |
switch (pDimRgn->AttenuationController.type) { |
125 |
case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
126 |
crossfadeVolume = 1.0f; //TODO: aftertouch not supported yet |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(pEngineChannel->ControllerTable[128])]; |
127 |
break; |
break; |
128 |
case ::gig::attenuation_ctrl_t::type_velocity: |
case ::gig::attenuation_ctrl_t::type_velocity: |
129 |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity)]; |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity)]; |
200 |
eg1controllervalue = 0; |
eg1controllervalue = 0; |
201 |
break; |
break; |
202 |
case ::gig::eg1_ctrl_t::type_channelaftertouch: |
case ::gig::eg1_ctrl_t::type_channelaftertouch: |
203 |
eg1controllervalue = 0; // TODO: aftertouch not yet supported |
eg1controllervalue = pEngineChannel->ControllerTable[128]; |
204 |
break; |
break; |
205 |
case ::gig::eg1_ctrl_t::type_velocity: |
case ::gig::eg1_ctrl_t::type_velocity: |
206 |
eg1controllervalue = itNoteOnEvent->Param.Note.Velocity; |
eg1controllervalue = itNoteOnEvent->Param.Note.Velocity; |
258 |
eg2controllervalue = 0; |
eg2controllervalue = 0; |
259 |
break; |
break; |
260 |
case ::gig::eg2_ctrl_t::type_channelaftertouch: |
case ::gig::eg2_ctrl_t::type_channelaftertouch: |
261 |
eg2controllervalue = 0; // TODO: aftertouch not yet supported |
eg2controllervalue = pEngineChannel->ControllerTable[128]; |
262 |
break; |
break; |
263 |
case ::gig::eg2_ctrl_t::type_velocity: |
case ::gig::eg2_ctrl_t::type_velocity: |
264 |
eg2controllervalue = itNoteOnEvent->Param.Note.Velocity; |
eg2controllervalue = itNoteOnEvent->Param.Note.Velocity; |
338 |
} |
} |
339 |
if (bLFO1Enabled) { |
if (bLFO1Enabled) { |
340 |
pLFO1->trigger(pDimRgn->LFO1Frequency, |
pLFO1->trigger(pDimRgn->LFO1Frequency, |
341 |
start_level_max, |
start_level_min, |
342 |
lfo1_internal_depth, |
lfo1_internal_depth, |
343 |
pDimRgn->LFO1ControlDepth, |
pDimRgn->LFO1ControlDepth, |
344 |
pDimRgn->LFO1FlipPhase, |
pDimRgn->LFO1FlipPhase, |
410 |
break; |
break; |
411 |
case ::gig::lfo3_ctrl_aftertouch: |
case ::gig::lfo3_ctrl_aftertouch: |
412 |
lfo3_internal_depth = 0; |
lfo3_internal_depth = 0; |
413 |
pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet |
pLFO3->ExtController = 128; |
414 |
bLFO3Enabled = false; // see TODO comment in line above |
bLFO3Enabled = true; |
415 |
break; |
break; |
416 |
case ::gig::lfo3_ctrl_internal_modwheel: |
case ::gig::lfo3_ctrl_internal_modwheel: |
417 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
420 |
break; |
break; |
421 |
case ::gig::lfo3_ctrl_internal_aftertouch: |
case ::gig::lfo3_ctrl_internal_aftertouch: |
422 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
423 |
pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet |
pLFO1->ExtController = 128; |
424 |
bLFO3Enabled = (lfo3_internal_depth > 0 /*|| pDimRgn->LFO3ControlDepth > 0*/); // see TODO comment in line above |
bLFO3Enabled = (lfo3_internal_depth > 0 || pDimRgn->LFO3ControlDepth > 0); |
425 |
break; |
break; |
426 |
default: |
default: |
427 |
lfo3_internal_depth = 0; |
lfo3_internal_depth = 0; |
478 |
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
479 |
VCFCutoffCtrl.controller = 83; |
VCFCutoffCtrl.controller = 83; |
480 |
break; |
break; |
481 |
case ::gig::vcf_cutoff_ctrl_aftertouch: //TODO: not implemented yet |
case ::gig::vcf_cutoff_ctrl_aftertouch: |
482 |
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VCFCutoffCtrl.controller = 128; |
483 |
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break; |
484 |
case ::gig::vcf_cutoff_ctrl_none: |
case ::gig::vcf_cutoff_ctrl_none: |
485 |
default: |
default: |
486 |
VCFCutoffCtrl.controller = 0; |
VCFCutoffCtrl.controller = 0; |
538 |
else { |
else { |
539 |
cvalue = pDimRgn->VCFCutoff; |
cvalue = pDimRgn->VCFCutoff; |
540 |
} |
} |
541 |
cutoff *= float(cvalue) * 0.00787402f; // (1 / 127) |
cutoff *= float(cvalue); |
542 |
if (cutoff > 1.0) cutoff = 1.0; |
if (cutoff > 127.0f) cutoff = 127.0f; |
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cutoff = (cutoff < 0.5 ? cutoff * 4826 - 1 : cutoff * 5715 - 449); |
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if (cutoff < 1.0) cutoff = 1.0; |
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543 |
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544 |
// calculate resonance |
// calculate resonance |
545 |
float resonance = (float) (VCFResonanceCtrl.controller ? VCFResonanceCtrl.value : pDimRgn->VCFResonance) * 0.00787f; // 0.0..1.0 |
float resonance = (float) (VCFResonanceCtrl.controller ? VCFResonanceCtrl.value : pDimRgn->VCFResonance); |
546 |
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547 |
VCFCutoffCtrl.fvalue = cutoff - 1.0; |
VCFCutoffCtrl.fvalue = cutoff; |
548 |
VCFResonanceCtrl.fvalue = resonance; |
VCFResonanceCtrl.fvalue = resonance; |
549 |
} |
} |
550 |
else { |
else { |
621 |
} |
} |
622 |
} |
} |
623 |
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624 |
sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from |
sample_t* ptr = (sample_t*)DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from |
625 |
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626 |
// render current audio fragment |
// render current audio fragment |
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Synthesize(Samples, ptr, Delay); |
Synthesize(Samples, ptr, Delay); |
742 |
VCFCutoffCtrl.value == ccvalue; |
VCFCutoffCtrl.value == ccvalue; |
743 |
if (pDimRgn->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
if (pDimRgn->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
744 |
if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale; |
if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale; |
745 |
float cutoff = CutoffBase * float(ccvalue) * 0.00787402f; // (1 / 127) |
float cutoff = CutoffBase * float(ccvalue); |
746 |
if (cutoff > 1.0) cutoff = 1.0; |
if (cutoff > 127.0f) cutoff = 127.0f; |
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cutoff = (cutoff < 0.5 ? cutoff * 4826 - 1 : cutoff * 5715 - 449); |
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if (cutoff < 1.0) cutoff = 1.0; |
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747 |
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748 |
VCFCutoffCtrl.fvalue = cutoff - 1.0; // needed for initialization of fFinalCutoff next time |
VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time |
749 |
fFinalCutoff = cutoff; |
fFinalCutoff = cutoff; |
750 |
} |
} |
751 |
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753 |
// convert absolute controller value to differential |
// convert absolute controller value to differential |
754 |
const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value; |
const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value; |
755 |
VCFResonanceCtrl.value = itEvent->Param.CC.Value; |
VCFResonanceCtrl.value = itEvent->Param.CC.Value; |
756 |
const float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0 |
const float resonancedelta = (float) ctrldelta; |
757 |
fFinalResonance += resonancedelta; |
fFinalResonance += resonancedelta; |
758 |
// needed for initialization of parameter |
// needed for initialization of parameter |
759 |
VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value * 0.00787f; |
VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value; |
760 |
} |
} |
761 |
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762 |
/** |
/** |
835 |
if (EG3.active()) finalSynthesisParameters.fFinalPitch *= EG3.render(); |
if (EG3.active()) finalSynthesisParameters.fFinalPitch *= EG3.render(); |
836 |
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837 |
// process low frequency oscillators |
// process low frequency oscillators |
838 |
if (bLFO1Enabled) fFinalVolume *= pLFO1->render(); |
if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render()); |
839 |
if (bLFO2Enabled) fFinalCutoff *= pLFO2->render(); |
if (bLFO2Enabled) fFinalCutoff *= pLFO2->render(); |
840 |
if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render()); |
if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render()); |
841 |
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842 |
// if filter enabled then update filter coefficients |
// if filter enabled then update filter coefficients |
843 |
if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) { |
if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) { |
844 |
finalSynthesisParameters.filterLeft.SetParameters(fFinalCutoff + 1.0, fFinalResonance, pEngine->SampleRate); |
finalSynthesisParameters.filterLeft.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate); |
845 |
finalSynthesisParameters.filterRight.SetParameters(fFinalCutoff + 1.0, fFinalResonance, pEngine->SampleRate); |
finalSynthesisParameters.filterRight.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate); |
846 |
} |
} |
847 |
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848 |
// do we need resampling? |
// do we need resampling? |