3 |
* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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 Christian Schoenebeck * |
7 |
* * |
* * |
8 |
* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
9 |
* 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 * |
59 |
pLFO2 = NULL; |
pLFO2 = NULL; |
60 |
pLFO3 = NULL; |
pLFO3 = NULL; |
61 |
KeyGroup = 0; |
KeyGroup = 0; |
62 |
|
SynthesisMode = 0; // set all mode bits to 0 first |
63 |
// select synthesis implementation (currently either pure C++ or MMX+SSE(1)) |
// select synthesis implementation (currently either pure C++ or MMX+SSE(1)) |
64 |
|
#if ARCH_X86 |
65 |
SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE()); |
SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE()); |
66 |
|
#else |
67 |
|
SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false); |
68 |
|
#endif |
69 |
|
SYNTHESIS_MODE_SET_PROFILING(SynthesisMode, true); |
70 |
|
|
71 |
|
FilterLeft.Reset(); |
72 |
|
FilterRight.Reset(); |
73 |
} |
} |
74 |
|
|
75 |
Voice::~Voice() { |
Voice::~Voice() { |
117 |
* Initializes and triggers the voice, a disk stream will be launched if |
* Initializes and triggers the voice, a disk stream will be launched if |
118 |
* needed. |
* needed. |
119 |
* |
* |
120 |
|
* @param pEngineChannel - engine channel on which this voice was ordered |
121 |
* @param itNoteOnEvent - event that caused triggering of this voice |
* @param itNoteOnEvent - event that caused triggering of this voice |
122 |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
123 |
* @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 |
124 |
* @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) |
125 |
* @param ReleaseTriggerVoice - if this new voice is a release trigger voice (optional, default = false) |
* @param ReleaseTriggerVoice - if this new voice is a release trigger voice (optional, default = false) |
126 |
* @param VoiceStealing - wether the voice is allowed to steal voices for further subvoices |
* @param VoiceStealing - wether the voice is allowed to steal voices for further subvoices |
127 |
* @returns 0 on success, a value < 0 if something failed |
* @returns 0 on success, a value < 0 if the voice wasn't triggered |
128 |
|
* (either due to an error or e.g. because no region is |
129 |
|
* defined for the given key) |
130 |
*/ |
*/ |
131 |
int Voice::Trigger(Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) { |
int Voice::Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) { |
132 |
|
this->pEngineChannel = pEngineChannel; |
133 |
if (!pInstrument) { |
if (!pInstrument) { |
134 |
dmsg(1,("voice::trigger: !pInstrument\n")); |
dmsg(1,("voice::trigger: !pInstrument\n")); |
135 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
148 |
itChildVoice = Pool<Voice>::Iterator(); |
itChildVoice = Pool<Voice>::Iterator(); |
149 |
|
|
150 |
if (!pRegion) { |
if (!pRegion) { |
151 |
std::cerr << "gig::Voice: No Region defined for MIDI key " << MIDIKey << std::endl << std::flush; |
dmsg(4, ("gig::Voice: No Region defined for MIDI key %d\n", MIDIKey)); |
|
KillImmediately(); |
|
152 |
return -1; |
return -1; |
153 |
} |
} |
154 |
|
|
156 |
|
|
157 |
// get current dimension values to select the right dimension region |
// get current dimension values to select the right dimension region |
158 |
//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 |
159 |
uint DimValues[5] = {0,0,0,0,0}; |
uint DimValues[8] = { 0 }; |
160 |
for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
161 |
switch (pRegion->pDimensionDefinitions[i].dimension) { |
switch (pRegion->pDimensionDefinitions[i].dimension) { |
162 |
case ::gig::dimension_samplechannel: |
case ::gig::dimension_samplechannel: |
167 |
// 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 |
168 |
if (iLayer == 0) |
if (iLayer == 0) |
169 |
for (int iNewLayer = 1; iNewLayer < pRegion->pDimensionDefinitions[i].zones; iNewLayer++) |
for (int iNewLayer = 1; iNewLayer < pRegion->pDimensionDefinitions[i].zones; iNewLayer++) |
170 |
itChildVoice = pEngine->LaunchVoice(itNoteOnEvent, iNewLayer, ReleaseTriggerVoice, VoiceStealing); |
itChildVoice = pEngine->LaunchVoice(pEngineChannel, itNoteOnEvent, iNewLayer, ReleaseTriggerVoice, VoiceStealing); |
171 |
break; |
break; |
172 |
case ::gig::dimension_velocity: |
case ::gig::dimension_velocity: |
173 |
DimValues[i] = itNoteOnEvent->Param.Note.Velocity; |
DimValues[i] = itNoteOnEvent->Param.Note.Velocity; |
180 |
DimValues[i] = (uint) ReleaseTriggerVoice; |
DimValues[i] = (uint) ReleaseTriggerVoice; |
181 |
break; |
break; |
182 |
case ::gig::dimension_keyboard: |
case ::gig::dimension_keyboard: |
183 |
DimValues[i] = (uint) itNoteOnEvent->Param.Note.Key; |
DimValues[i] = (uint) pEngineChannel->CurrentKeyDimension; |
184 |
|
break; |
185 |
|
case ::gig::dimension_roundrobin: |
186 |
|
DimValues[i] = (uint) pEngineChannel->pMIDIKeyInfo[MIDIKey].RoundRobinIndex; // incremented for each note on |
187 |
|
break; |
188 |
|
case ::gig::dimension_random: |
189 |
|
pEngine->RandomSeed = pEngine->RandomSeed * 1103515245 + 12345; // classic pseudo random number generator |
190 |
|
DimValues[i] = (uint) pEngine->RandomSeed >> (32 - pRegion->pDimensionDefinitions[i].bits); // highest bits are most random |
191 |
break; |
break; |
192 |
case ::gig::dimension_modwheel: |
case ::gig::dimension_modwheel: |
193 |
DimValues[i] = pEngine->ControllerTable[1]; |
DimValues[i] = pEngineChannel->ControllerTable[1]; |
194 |
break; |
break; |
195 |
case ::gig::dimension_breath: |
case ::gig::dimension_breath: |
196 |
DimValues[i] = pEngine->ControllerTable[2]; |
DimValues[i] = pEngineChannel->ControllerTable[2]; |
197 |
break; |
break; |
198 |
case ::gig::dimension_foot: |
case ::gig::dimension_foot: |
199 |
DimValues[i] = pEngine->ControllerTable[4]; |
DimValues[i] = pEngineChannel->ControllerTable[4]; |
200 |
break; |
break; |
201 |
case ::gig::dimension_portamentotime: |
case ::gig::dimension_portamentotime: |
202 |
DimValues[i] = pEngine->ControllerTable[5]; |
DimValues[i] = pEngineChannel->ControllerTable[5]; |
203 |
break; |
break; |
204 |
case ::gig::dimension_effect1: |
case ::gig::dimension_effect1: |
205 |
DimValues[i] = pEngine->ControllerTable[12]; |
DimValues[i] = pEngineChannel->ControllerTable[12]; |
206 |
break; |
break; |
207 |
case ::gig::dimension_effect2: |
case ::gig::dimension_effect2: |
208 |
DimValues[i] = pEngine->ControllerTable[13]; |
DimValues[i] = pEngineChannel->ControllerTable[13]; |
209 |
break; |
break; |
210 |
case ::gig::dimension_genpurpose1: |
case ::gig::dimension_genpurpose1: |
211 |
DimValues[i] = pEngine->ControllerTable[16]; |
DimValues[i] = pEngineChannel->ControllerTable[16]; |
212 |
break; |
break; |
213 |
case ::gig::dimension_genpurpose2: |
case ::gig::dimension_genpurpose2: |
214 |
DimValues[i] = pEngine->ControllerTable[17]; |
DimValues[i] = pEngineChannel->ControllerTable[17]; |
215 |
break; |
break; |
216 |
case ::gig::dimension_genpurpose3: |
case ::gig::dimension_genpurpose3: |
217 |
DimValues[i] = pEngine->ControllerTable[18]; |
DimValues[i] = pEngineChannel->ControllerTable[18]; |
218 |
break; |
break; |
219 |
case ::gig::dimension_genpurpose4: |
case ::gig::dimension_genpurpose4: |
220 |
DimValues[i] = pEngine->ControllerTable[19]; |
DimValues[i] = pEngineChannel->ControllerTable[19]; |
221 |
break; |
break; |
222 |
case ::gig::dimension_sustainpedal: |
case ::gig::dimension_sustainpedal: |
223 |
DimValues[i] = pEngine->ControllerTable[64]; |
DimValues[i] = pEngineChannel->ControllerTable[64]; |
224 |
break; |
break; |
225 |
case ::gig::dimension_portamento: |
case ::gig::dimension_portamento: |
226 |
DimValues[i] = pEngine->ControllerTable[65]; |
DimValues[i] = pEngineChannel->ControllerTable[65]; |
227 |
break; |
break; |
228 |
case ::gig::dimension_sostenutopedal: |
case ::gig::dimension_sostenutopedal: |
229 |
DimValues[i] = pEngine->ControllerTable[66]; |
DimValues[i] = pEngineChannel->ControllerTable[66]; |
230 |
break; |
break; |
231 |
case ::gig::dimension_softpedal: |
case ::gig::dimension_softpedal: |
232 |
DimValues[i] = pEngine->ControllerTable[67]; |
DimValues[i] = pEngineChannel->ControllerTable[67]; |
233 |
break; |
break; |
234 |
case ::gig::dimension_genpurpose5: |
case ::gig::dimension_genpurpose5: |
235 |
DimValues[i] = pEngine->ControllerTable[80]; |
DimValues[i] = pEngineChannel->ControllerTable[80]; |
236 |
break; |
break; |
237 |
case ::gig::dimension_genpurpose6: |
case ::gig::dimension_genpurpose6: |
238 |
DimValues[i] = pEngine->ControllerTable[81]; |
DimValues[i] = pEngineChannel->ControllerTable[81]; |
239 |
break; |
break; |
240 |
case ::gig::dimension_genpurpose7: |
case ::gig::dimension_genpurpose7: |
241 |
DimValues[i] = pEngine->ControllerTable[82]; |
DimValues[i] = pEngineChannel->ControllerTable[82]; |
242 |
break; |
break; |
243 |
case ::gig::dimension_genpurpose8: |
case ::gig::dimension_genpurpose8: |
244 |
DimValues[i] = pEngine->ControllerTable[83]; |
DimValues[i] = pEngineChannel->ControllerTable[83]; |
245 |
break; |
break; |
246 |
case ::gig::dimension_effect1depth: |
case ::gig::dimension_effect1depth: |
247 |
DimValues[i] = pEngine->ControllerTable[91]; |
DimValues[i] = pEngineChannel->ControllerTable[91]; |
248 |
break; |
break; |
249 |
case ::gig::dimension_effect2depth: |
case ::gig::dimension_effect2depth: |
250 |
DimValues[i] = pEngine->ControllerTable[92]; |
DimValues[i] = pEngineChannel->ControllerTable[92]; |
251 |
break; |
break; |
252 |
case ::gig::dimension_effect3depth: |
case ::gig::dimension_effect3depth: |
253 |
DimValues[i] = pEngine->ControllerTable[93]; |
DimValues[i] = pEngineChannel->ControllerTable[93]; |
254 |
break; |
break; |
255 |
case ::gig::dimension_effect4depth: |
case ::gig::dimension_effect4depth: |
256 |
DimValues[i] = pEngine->ControllerTable[94]; |
DimValues[i] = pEngineChannel->ControllerTable[94]; |
257 |
break; |
break; |
258 |
case ::gig::dimension_effect5depth: |
case ::gig::dimension_effect5depth: |
259 |
DimValues[i] = pEngine->ControllerTable[95]; |
DimValues[i] = pEngineChannel->ControllerTable[95]; |
260 |
break; |
break; |
261 |
case ::gig::dimension_none: |
case ::gig::dimension_none: |
262 |
std::cerr << "gig::Voice::Trigger() Error: dimension=none\n" << std::flush; |
std::cerr << "gig::Voice::Trigger() Error: dimension=none\n" << std::flush; |
265 |
std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush; |
std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush; |
266 |
} |
} |
267 |
} |
} |
268 |
pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]); |
pDimRgn = pRegion->GetDimensionRegionByValue(DimValues); |
269 |
|
|
270 |
pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
271 |
|
if (!pSample || !pSample->SamplesTotal) return -1; // no need to continue if sample is silent |
272 |
|
|
273 |
// select channel mode (mono or stereo) |
// select channel mode (mono or stereo) |
274 |
SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2); |
SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2); |
282 |
CrossfadeVolume = CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity); |
CrossfadeVolume = CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity); |
283 |
break; |
break; |
284 |
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
285 |
CrossfadeVolume = CrossfadeAttenuation(pEngine->ControllerTable[pDimRgn->AttenuationController.controller_number]); |
CrossfadeVolume = CrossfadeAttenuation(pEngineChannel->ControllerTable[pDimRgn->AttenuationController.controller_number]); |
286 |
break; |
break; |
287 |
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
288 |
default: |
default: |
328 |
|
|
329 |
// calculate initial pitch value |
// calculate initial pitch value |
330 |
{ |
{ |
331 |
double pitchbasecents = pDimRgn->FineTune * 10 + (int) pEngine->ScaleTuning[MIDIKey % 12]; |
double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12]; |
332 |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
333 |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate())); |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate())); |
334 |
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 |
336 |
|
|
337 |
Volume = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity) / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0) |
Volume = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity) / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0) |
338 |
|
|
339 |
|
Volume *= pDimRgn->SampleAttenuation; |
340 |
|
|
341 |
// setup EG 1 (VCA EG) |
// setup EG 1 (VCA EG) |
342 |
{ |
{ |
343 |
// get current value of EG1 controller |
// get current value of EG1 controller |
353 |
eg1controllervalue = itNoteOnEvent->Param.Note.Velocity; |
eg1controllervalue = itNoteOnEvent->Param.Note.Velocity; |
354 |
break; |
break; |
355 |
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
356 |
eg1controllervalue = pEngine->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
eg1controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
357 |
break; |
break; |
358 |
} |
} |
359 |
if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
372 |
pDimRgn->EG1InfiniteSustain, |
pDimRgn->EG1InfiniteSustain, |
373 |
pDimRgn->EG1Sustain, |
pDimRgn->EG1Sustain, |
374 |
pDimRgn->EG1Release + eg1release, |
pDimRgn->EG1Release + eg1release, |
375 |
Delay); |
// the SSE synthesis implementation requires |
376 |
|
// the vca start to be 16 byte aligned |
377 |
|
SYNTHESIS_MODE_GET_IMPLEMENTATION(SynthesisMode) ? |
378 |
|
Delay & 0xfffffffc : Delay); |
379 |
} |
} |
380 |
|
|
381 |
|
|
394 |
eg2controllervalue = itNoteOnEvent->Param.Note.Velocity; |
eg2controllervalue = itNoteOnEvent->Param.Note.Velocity; |
395 |
break; |
break; |
396 |
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
397 |
eg2controllervalue = pEngine->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
eg2controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
398 |
break; |
break; |
399 |
} |
} |
400 |
if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
455 |
pLFO1->Trigger(pDimRgn->LFO1Frequency, |
pLFO1->Trigger(pDimRgn->LFO1Frequency, |
456 |
lfo1_internal_depth, |
lfo1_internal_depth, |
457 |
pDimRgn->LFO1ControlDepth, |
pDimRgn->LFO1ControlDepth, |
458 |
pEngine->ControllerTable[pLFO1->ExtController], |
pEngineChannel->ControllerTable[pLFO1->ExtController], |
459 |
pDimRgn->LFO1FlipPhase, |
pDimRgn->LFO1FlipPhase, |
460 |
pEngine->SampleRate, |
pEngine->SampleRate, |
461 |
Delay); |
Delay); |
493 |
pLFO2->Trigger(pDimRgn->LFO2Frequency, |
pLFO2->Trigger(pDimRgn->LFO2Frequency, |
494 |
lfo2_internal_depth, |
lfo2_internal_depth, |
495 |
pDimRgn->LFO2ControlDepth, |
pDimRgn->LFO2ControlDepth, |
496 |
pEngine->ControllerTable[pLFO2->ExtController], |
pEngineChannel->ControllerTable[pLFO2->ExtController], |
497 |
pDimRgn->LFO2FlipPhase, |
pDimRgn->LFO2FlipPhase, |
498 |
pEngine->SampleRate, |
pEngine->SampleRate, |
499 |
Delay); |
Delay); |
531 |
pLFO3->Trigger(pDimRgn->LFO3Frequency, |
pLFO3->Trigger(pDimRgn->LFO3Frequency, |
532 |
lfo3_internal_depth, |
lfo3_internal_depth, |
533 |
pDimRgn->LFO3ControlDepth, |
pDimRgn->LFO3ControlDepth, |
534 |
pEngine->ControllerTable[pLFO3->ExtController], |
pEngineChannel->ControllerTable[pLFO3->ExtController], |
535 |
false, |
false, |
536 |
pEngine->SampleRate, |
pEngine->SampleRate, |
537 |
Delay); |
Delay); |
539 |
|
|
540 |
|
|
541 |
#if FORCE_FILTER_USAGE |
#if FORCE_FILTER_USAGE |
542 |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, true); |
const bool bUseFilter = true; |
543 |
#else // use filter only if instrument file told so |
#else // use filter only if instrument file told so |
544 |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, pDimRgn->VCFEnabled); |
const bool bUseFilter = pDimRgn->VCFEnabled; |
545 |
#endif // FORCE_FILTER_USAGE |
#endif // FORCE_FILTER_USAGE |
546 |
if (pDimRgn->VCFEnabled) { |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter); |
547 |
|
if (bUseFilter) { |
548 |
#ifdef OVERRIDE_FILTER_CUTOFF_CTRL |
#ifdef OVERRIDE_FILTER_CUTOFF_CTRL |
549 |
VCFCutoffCtrl.controller = OVERRIDE_FILTER_CUTOFF_CTRL; |
VCFCutoffCtrl.controller = OVERRIDE_FILTER_CUTOFF_CTRL; |
550 |
#else // use the one defined in the instrument file |
#else // use the one defined in the instrument file |
614 |
FilterRight.SetType(OVERRIDE_FILTER_TYPE); |
FilterRight.SetType(OVERRIDE_FILTER_TYPE); |
615 |
#endif // OVERRIDE_FILTER_TYPE |
#endif // OVERRIDE_FILTER_TYPE |
616 |
|
|
617 |
VCFCutoffCtrl.value = pEngine->ControllerTable[VCFCutoffCtrl.controller]; |
VCFCutoffCtrl.value = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller]; |
618 |
VCFResonanceCtrl.value = pEngine->ControllerTable[VCFResonanceCtrl.controller]; |
VCFResonanceCtrl.value = pEngineChannel->ControllerTable[VCFResonanceCtrl.controller]; |
619 |
|
|
620 |
// calculate cutoff frequency |
// calculate cutoff frequency |
621 |
float cutoff = (!VCFCutoffCtrl.controller) |
float cutoff = (!VCFCutoffCtrl.controller) |
662 |
|
|
663 |
// Reset the synthesis parameter matrix |
// Reset the synthesis parameter matrix |
664 |
|
|
665 |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngine->GlobalVolume); |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngineChannel->GlobalVolume); |
666 |
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
667 |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
668 |
pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue); |
pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue); |
671 |
ProcessEvents(Samples); |
ProcessEvents(Samples); |
672 |
|
|
673 |
// 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 |
674 |
pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend, itKillEvent); |
pEG1->Process(Samples, pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend, itKillEvent); |
675 |
pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
pEG2->Process(Samples, pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
676 |
if (pEG3->Process(Samples)) { // if pitch EG is active |
if (pEG3->Process(Samples)) { // if pitch EG is active |
677 |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
678 |
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
685 |
} |
} |
686 |
|
|
687 |
if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) |
if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) |
688 |
CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters |
CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters |
689 |
|
|
690 |
switch (this->PlaybackState) { |
switch (this->PlaybackState) { |
691 |
|
|
719 |
} |
} |
720 |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos)); |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos)); |
721 |
Pos -= int(Pos); |
Pos -= int(Pos); |
722 |
|
RealSampleWordsLeftToRead = -1; // -1 means no silence has been added yet |
723 |
} |
} |
724 |
|
|
725 |
|
const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace(); |
726 |
|
|
727 |
// add silence sample at the end if we reached the end of the stream (for the interpolator) |
// add silence sample at the end if we reached the end of the stream (for the interpolator) |
728 |
if (DiskStreamRef.State == Stream::state_end && DiskStreamRef.pStream->GetReadSpace() < (pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels) { |
if (DiskStreamRef.State == Stream::state_end) { |
729 |
DiskStreamRef.pStream->WriteSilence((pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels); |
const int maxSampleWordsPerCycle = (pEngine->MaxSamplesPerCycle << MAX_PITCH) * pSample->Channels + 6; // +6 for the interpolator algorithm |
730 |
this->PlaybackState = playback_state_end; |
if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) { |
731 |
|
// remember how many sample words there are before any silence has been added |
732 |
|
if (RealSampleWordsLeftToRead < 0) RealSampleWordsLeftToRead = sampleWordsLeftToRead; |
733 |
|
DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead); |
734 |
|
} |
735 |
} |
} |
736 |
|
|
737 |
sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from |
sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from |
739 |
// render current audio fragment |
// render current audio fragment |
740 |
Synthesize(Samples, ptr, Delay); |
Synthesize(Samples, ptr, Delay); |
741 |
|
|
742 |
DiskStreamRef.pStream->IncrementReadPos(int(Pos) * pSample->Channels); |
const int iPos = (int) Pos; |
743 |
Pos -= int(Pos); |
const int readSampleWords = iPos * pSample->Channels; // amount of sample words actually been read |
744 |
|
DiskStreamRef.pStream->IncrementReadPos(readSampleWords); |
745 |
|
Pos -= iPos; // just keep fractional part of Pos |
746 |
|
|
747 |
|
// change state of voice to 'end' if we really reached the end of the sample data |
748 |
|
if (RealSampleWordsLeftToRead >= 0) { |
749 |
|
RealSampleWordsLeftToRead -= readSampleWords; |
750 |
|
if (RealSampleWordsLeftToRead <= 0) this->PlaybackState = playback_state_end; |
751 |
|
} |
752 |
} |
} |
753 |
break; |
break; |
754 |
|
|
886 |
|
|
887 |
crossfadevolume = CrossfadeAttenuation(itVCAEvent->Param.CC.Value); |
crossfadevolume = CrossfadeAttenuation(itVCAEvent->Param.CC.Value); |
888 |
|
|
889 |
float effective_volume = crossfadevolume * this->Volume * pEngine->GlobalVolume; |
float effective_volume = crossfadevolume * this->Volume * pEngineChannel->GlobalVolume; |
890 |
|
|
891 |
// apply volume value to the volume parameter sequence |
// apply volume value to the volume parameter sequence |
892 |
for (uint i = itVCAEvent->FragmentPos(); i < end; i++) { |
for (uint i = itVCAEvent->FragmentPos(); i < end; i++) { |
966 |
biquad_param_t bqmain; |
biquad_param_t bqmain; |
967 |
float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0]; |
float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0]; |
968 |
float prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][0]; |
float prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][0]; |
969 |
FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
FilterLeft.SetParameters( &bqbase, &bqmain, prev_cutoff + FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate); |
970 |
|
FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff + FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate); |
971 |
pEngine->pBasicFilterParameters[0] = bqbase; |
pEngine->pBasicFilterParameters[0] = bqbase; |
972 |
pEngine->pMainFilterParameters[0] = bqmain; |
pEngine->pMainFilterParameters[0] = bqmain; |
973 |
|
|
980 |
{ |
{ |
981 |
prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i]; |
prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i]; |
982 |
prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][i]; |
prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][i]; |
983 |
FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
FilterLeft.SetParameters( &bqbase, &bqmain, prev_cutoff + FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate); |
984 |
|
FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff + FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate); |
985 |
} |
} |
986 |
} |
} |
987 |
|
|
988 |
//same as 'pEngine->pBasicFilterParameters[i] = bqbase;' |
//same as 'pEngine->pBasicFilterParameters[i] = bqbase;' |
989 |
bq = (float*) &pEngine->pBasicFilterParameters[i]; |
bq = (float*) &pEngine->pBasicFilterParameters[i]; |
990 |
bq[0] = bqbase.a1; |
bq[0] = bqbase.b0; |
991 |
bq[1] = bqbase.a2; |
bq[1] = bqbase.b1; |
992 |
bq[2] = bqbase.b0; |
bq[2] = bqbase.b2; |
993 |
bq[3] = bqbase.b1; |
bq[3] = bqbase.a1; |
994 |
bq[4] = bqbase.b2; |
bq[4] = bqbase.a2; |
995 |
|
|
996 |
// same as 'pEngine->pMainFilterParameters[i] = bqmain;' |
// same as 'pEngine->pMainFilterParameters[i] = bqmain;' |
997 |
bq = (float*) &pEngine->pMainFilterParameters[i]; |
bq = (float*) &pEngine->pMainFilterParameters[i]; |
998 |
bq[0] = bqmain.a1; |
bq[0] = bqmain.b0; |
999 |
bq[1] = bqmain.a2; |
bq[1] = bqmain.b1; |
1000 |
bq[2] = bqmain.b0; |
bq[2] = bqmain.b2; |
1001 |
bq[3] = bqmain.b1; |
bq[3] = bqmain.a1; |
1002 |
bq[4] = bqmain.b2; |
bq[4] = bqmain.a2; |
1003 |
} |
} |
1004 |
} |
} |
1005 |
|
|
1011 |
* @param pSrc - pointer to input sample data |
* @param pSrc - pointer to input sample data |
1012 |
* @param Skip - number of sample points to skip in output buffer |
* @param Skip - number of sample points to skip in output buffer |
1013 |
*/ |
*/ |
1014 |
void Voice::Synthesize(uint Samples, sample_t* pSrc, int Skip) { |
void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) { |
1015 |
UpdateSynthesisMode(); |
RunSynthesisFunction(SynthesisMode, *this, Samples, pSrc, Skip); |
|
SynthesizeFragment_Fn* f = (SynthesizeFragment_Fn*) SynthesizeFragmentFnPtr; |
|
|
f(*this, Samples, pSrc, Skip); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Determine the respective synthesis function for the given synthesis |
|
|
* mode. |
|
|
*/ |
|
|
void Voice::UpdateSynthesisMode() { |
|
|
SynthesizeFragmentFnPtr = GetSynthesisFunction(SynthesisMode); |
|
1016 |
} |
} |
1017 |
|
|
1018 |
/** |
/** |