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#include "EGADSR.h" |
#include "EGADSR.h" |
24 |
#include "Manipulator.h" |
#include "Manipulator.h" |
25 |
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#include "../../common/Features.h" |
26 |
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#include "Synthesizer.h" |
27 |
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28 |
#include "Voice.h" |
#include "Voice.h" |
29 |
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30 |
namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
31 |
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// FIXME: no support for layers (nor crossfades) yet |
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32 |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
33 |
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34 |
const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask()); |
const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask()); |
47 |
Voice::Voice() { |
Voice::Voice() { |
48 |
pEngine = NULL; |
pEngine = NULL; |
49 |
pDiskThread = NULL; |
pDiskThread = NULL; |
50 |
Active = false; |
PlaybackState = playback_state_end; |
51 |
pEG1 = NULL; |
pEG1 = NULL; |
52 |
pEG2 = NULL; |
pEG2 = NULL; |
53 |
pEG3 = NULL; |
pEG3 = NULL; |
57 |
pLFO1 = NULL; |
pLFO1 = NULL; |
58 |
pLFO2 = NULL; |
pLFO2 = NULL; |
59 |
pLFO3 = NULL; |
pLFO3 = NULL; |
60 |
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KeyGroup = 0; |
61 |
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62 |
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// select synthesis implementation (currently either pure C++ or MMX+SSE(1)) |
63 |
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SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE()); |
64 |
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SYNTHESIS_MODE_SET_PROFILING(SynthesisMode, true); |
65 |
} |
} |
66 |
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67 |
Voice::~Voice() { |
Voice::~Voice() { |
109 |
* Initializes and triggers the voice, a disk stream will be launched if |
* Initializes and triggers the voice, a disk stream will be launched if |
110 |
* needed. |
* needed. |
111 |
* |
* |
112 |
* @param pNoteOnEvent - event that caused triggering of this voice |
* @param itNoteOnEvent - event that caused triggering of this voice |
113 |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
114 |
* @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 |
115 |
* @returns 0 on success, a value < 0 if something failed |
* @param iLayer - layer number this voice refers to (only if this is a layered sound of course) |
116 |
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* @param ReleaseTriggerVoice - if this new voice is a release trigger voice (optional, default = false) |
117 |
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* @param VoiceStealing - wether the voice is allowed to steal voices for further subvoices |
118 |
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* @returns 0 on success, a value < 0 if something failed |
119 |
*/ |
*/ |
120 |
int Voice::Trigger(Event* pNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument) { |
int Voice::Trigger(Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) { |
121 |
if (!pInstrument) { |
if (!pInstrument) { |
122 |
dmsg(1,("voice::trigger: !pInstrument\n")); |
dmsg(1,("voice::trigger: !pInstrument\n")); |
123 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
124 |
} |
} |
125 |
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if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging) |
126 |
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dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n")); |
127 |
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} |
128 |
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129 |
Active = true; |
Type = type_normal; |
130 |
MIDIKey = pNoteOnEvent->Key; |
MIDIKey = itNoteOnEvent->Param.Note.Key; |
131 |
pRegion = pInstrument->GetRegion(MIDIKey); |
pRegion = pInstrument->GetRegion(MIDIKey); |
132 |
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 |
133 |
Pos = 0; |
Delay = itNoteOnEvent->FragmentPos(); |
134 |
Delay = pNoteOnEvent->FragmentPos(); |
itTriggerEvent = itNoteOnEvent; |
135 |
pTriggerEvent = pNoteOnEvent; |
itKillEvent = Pool<Event>::Iterator(); |
136 |
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itChildVoice = Pool<Voice>::Iterator(); |
137 |
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138 |
if (!pRegion) { |
if (!pRegion) { |
139 |
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; |
140 |
Kill(); |
KillImmediately(); |
141 |
return -1; |
return -1; |
142 |
} |
} |
143 |
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144 |
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KeyGroup = pRegion->KeyGroup; |
145 |
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146 |
// get current dimension values to select the right dimension region |
// get current dimension values to select the right dimension region |
147 |
//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 |
148 |
uint DimValues[5] = {0,0,0,0,0}; |
uint DimValues[5] = {0,0,0,0,0}; |
152 |
DimValues[i] = 0; //TODO: we currently ignore this dimension |
DimValues[i] = 0; //TODO: we currently ignore this dimension |
153 |
break; |
break; |
154 |
case ::gig::dimension_layer: |
case ::gig::dimension_layer: |
155 |
DimValues[i] = 0; //TODO: we currently ignore this dimension |
DimValues[i] = iLayer; |
156 |
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// if this is the 1st layer then spawn further voices for all the other layers |
157 |
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if (iLayer == 0) |
158 |
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for (int iNewLayer = 1; iNewLayer < pRegion->pDimensionDefinitions[i].zones; iNewLayer++) |
159 |
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itChildVoice = pEngine->LaunchVoice(itNoteOnEvent, iNewLayer, ReleaseTriggerVoice, VoiceStealing); |
160 |
break; |
break; |
161 |
case ::gig::dimension_velocity: |
case ::gig::dimension_velocity: |
162 |
DimValues[i] = pNoteOnEvent->Velocity; |
DimValues[i] = itNoteOnEvent->Param.Note.Velocity; |
163 |
break; |
break; |
164 |
case ::gig::dimension_channelaftertouch: |
case ::gig::dimension_channelaftertouch: |
165 |
DimValues[i] = 0; //TODO: we currently ignore this dimension |
DimValues[i] = 0; //TODO: we currently ignore this dimension |
166 |
break; |
break; |
167 |
case ::gig::dimension_releasetrigger: |
case ::gig::dimension_releasetrigger: |
168 |
DimValues[i] = 0; //TODO: we currently ignore this dimension |
Type = (ReleaseTriggerVoice) ? type_release_trigger : (!iLayer) ? type_release_trigger_required : type_normal; |
169 |
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DimValues[i] = (uint) ReleaseTriggerVoice; |
170 |
break; |
break; |
171 |
case ::gig::dimension_keyboard: |
case ::gig::dimension_keyboard: |
172 |
DimValues[i] = (uint) pNoteOnEvent->Key; |
DimValues[i] = (uint) itNoteOnEvent->Param.Note.Key; |
173 |
break; |
break; |
174 |
case ::gig::dimension_modwheel: |
case ::gig::dimension_modwheel: |
175 |
DimValues[i] = pEngine->ControllerTable[1]; |
DimValues[i] = pEngine->ControllerTable[1]; |
247 |
std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush; |
std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush; |
248 |
} |
} |
249 |
} |
} |
250 |
::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]); |
251 |
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252 |
pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
253 |
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254 |
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// select channel mode (mono or stereo) |
255 |
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SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2); |
256 |
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257 |
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// get starting crossfade volume level |
258 |
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switch (pDimRgn->AttenuationController.type) { |
259 |
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case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
260 |
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CrossfadeVolume = 1.0f; //TODO: aftertouch not supported yet |
261 |
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break; |
262 |
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case ::gig::attenuation_ctrl_t::type_velocity: |
263 |
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CrossfadeVolume = CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity); |
264 |
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break; |
265 |
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case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
266 |
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CrossfadeVolume = CrossfadeAttenuation(pEngine->ControllerTable[pDimRgn->AttenuationController.controller_number]); |
267 |
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break; |
268 |
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case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
269 |
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default: |
270 |
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CrossfadeVolume = 1.0f; |
271 |
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} |
272 |
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273 |
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PanLeft = 1.0f - float(RTMath::Max(pDimRgn->Pan, 0)) / 63.0f; |
274 |
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PanRight = 1.0f - float(RTMath::Min(pDimRgn->Pan, 0)) / -64.0f; |
275 |
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276 |
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Pos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points) |
277 |
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278 |
// 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 |
279 |
long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
280 |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
291 |
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292 |
if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
293 |
dmsg(1,("Disk stream order failed!\n")); |
dmsg(1,("Disk stream order failed!\n")); |
294 |
Kill(); |
KillImmediately(); |
295 |
return -1; |
return -1; |
296 |
} |
} |
297 |
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")); |
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310 |
// calculate initial pitch value |
// calculate initial pitch value |
311 |
{ |
{ |
312 |
double pitchbasecents = pDimRgn->FineTune * 10; |
double pitchbasecents = pDimRgn->FineTune * 10 + (int) pEngine->ScaleTuning[MIDIKey % 12]; |
313 |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
314 |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents); |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate())); |
315 |
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 |
316 |
} |
} |
317 |
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318 |
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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) |
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Volume = pDimRgn->GetVelocityAttenuation(pNoteOnEvent->Velocity) / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0) |
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320 |
// setup EG 1 (VCA EG) |
// setup EG 1 (VCA EG) |
321 |
{ |
{ |
329 |
eg1controllervalue = 0; // TODO: aftertouch not yet supported |
eg1controllervalue = 0; // TODO: aftertouch not yet supported |
330 |
break; |
break; |
331 |
case ::gig::eg1_ctrl_t::type_velocity: |
case ::gig::eg1_ctrl_t::type_velocity: |
332 |
eg1controllervalue = pNoteOnEvent->Velocity; |
eg1controllervalue = itNoteOnEvent->Param.Note.Velocity; |
333 |
break; |
break; |
334 |
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
335 |
eg1controllervalue = pEngine->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
eg1controllervalue = pEngine->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
355 |
} |
} |
356 |
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357 |
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#if ENABLE_FILTER |
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358 |
// setup EG 2 (VCF Cutoff EG) |
// setup EG 2 (VCF Cutoff EG) |
359 |
{ |
{ |
360 |
// get current value of EG2 controller |
// get current value of EG2 controller |
367 |
eg2controllervalue = 0; // TODO: aftertouch not yet supported |
eg2controllervalue = 0; // TODO: aftertouch not yet supported |
368 |
break; |
break; |
369 |
case ::gig::eg2_ctrl_t::type_velocity: |
case ::gig::eg2_ctrl_t::type_velocity: |
370 |
eg2controllervalue = pNoteOnEvent->Velocity; |
eg2controllervalue = itNoteOnEvent->Param.Note.Velocity; |
371 |
break; |
break; |
372 |
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
373 |
eg2controllervalue = pEngine->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
eg2controllervalue = pEngine->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
391 |
pDimRgn->EG2Release + eg2release, |
pDimRgn->EG2Release + eg2release, |
392 |
Delay); |
Delay); |
393 |
} |
} |
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#endif // ENABLE_FILTER |
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394 |
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395 |
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396 |
// setup EG 3 (VCO EG) |
// setup EG 3 (VCO EG) |
437 |
Delay); |
Delay); |
438 |
} |
} |
439 |
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440 |
#if ENABLE_FILTER |
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441 |
// setup LFO 2 (VCF Cutoff LFO) |
// setup LFO 2 (VCF Cutoff LFO) |
442 |
{ |
{ |
443 |
uint16_t lfo2_internal_depth; |
uint16_t lfo2_internal_depth; |
474 |
pEngine->SampleRate, |
pEngine->SampleRate, |
475 |
Delay); |
Delay); |
476 |
} |
} |
477 |
#endif // ENABLE_FILTER |
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478 |
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479 |
// setup LFO 3 (VCO LFO) |
// setup LFO 3 (VCO LFO) |
480 |
{ |
{ |
513 |
Delay); |
Delay); |
514 |
} |
} |
515 |
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516 |
#if ENABLE_FILTER |
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517 |
#if FORCE_FILTER_USAGE |
#if FORCE_FILTER_USAGE |
518 |
FilterLeft.Enabled = FilterRight.Enabled = true; |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, true); |
519 |
#else // use filter only if instrument file told so |
#else // use filter only if instrument file told so |
520 |
FilterLeft.Enabled = FilterRight.Enabled = pDimRgn->VCFEnabled; |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, pDimRgn->VCFEnabled); |
521 |
#endif // FORCE_FILTER_USAGE |
#endif // FORCE_FILTER_USAGE |
522 |
if (pDimRgn->VCFEnabled) { |
if (pDimRgn->VCFEnabled) { |
523 |
#ifdef OVERRIDE_FILTER_CUTOFF_CTRL |
#ifdef OVERRIDE_FILTER_CUTOFF_CTRL |
594 |
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595 |
// calculate cutoff frequency |
// calculate cutoff frequency |
596 |
float cutoff = (!VCFCutoffCtrl.controller) |
float cutoff = (!VCFCutoffCtrl.controller) |
597 |
? exp((float) (127 - pNoteOnEvent->Velocity) * (float) pDimRgn->VCFVelocityScale * 6.2E-5f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX |
? exp((float) (127 - itNoteOnEvent->Param.Note.Velocity) * (float) pDimRgn->VCFVelocityScale * 6.2E-5f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX |
598 |
: exp((float) VCFCutoffCtrl.value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX; |
: exp((float) VCFCutoffCtrl.value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX; |
599 |
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600 |
// calculate resonance |
// calculate resonance |
601 |
float resonance = (float) VCFResonanceCtrl.value * 0.00787f; // 0.0..1.0 |
float resonance = (float) VCFResonanceCtrl.value * 0.00787f; // 0.0..1.0 |
602 |
if (pDimRgn->VCFKeyboardTracking) { |
if (pDimRgn->VCFKeyboardTracking) { |
603 |
resonance += (float) (pNoteOnEvent->Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.00787f; |
resonance += (float) (itNoteOnEvent->Param.Note.Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.00787f; |
604 |
} |
} |
605 |
Constrain(resonance, 0.0, 1.0); // correct resonance if outside allowed value range (0.0..1.0) |
Constrain(resonance, 0.0, 1.0); // correct resonance if outside allowed value range (0.0..1.0) |
606 |
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607 |
VCFCutoffCtrl.fvalue = cutoff - FILTER_CUTOFF_MIN; |
VCFCutoffCtrl.fvalue = cutoff - FILTER_CUTOFF_MIN; |
608 |
VCFResonanceCtrl.fvalue = resonance; |
VCFResonanceCtrl.fvalue = resonance; |
609 |
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FilterLeft.SetParameters(cutoff, resonance, pEngine->SampleRate); |
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FilterRight.SetParameters(cutoff, resonance, pEngine->SampleRate); |
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610 |
FilterUpdateCounter = -1; |
FilterUpdateCounter = -1; |
611 |
} |
} |
612 |
else { |
else { |
613 |
VCFCutoffCtrl.controller = 0; |
VCFCutoffCtrl.controller = 0; |
614 |
VCFResonanceCtrl.controller = 0; |
VCFResonanceCtrl.controller = 0; |
615 |
} |
} |
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#endif // ENABLE_FILTER |
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// ************************************************ |
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// TODO: ARTICULATION DATA HANDLING IS MISSING HERE |
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// ************************************************ |
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616 |
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617 |
return 0; // success |
return 0; // success |
618 |
} |
} |
630 |
*/ |
*/ |
631 |
void Voice::Render(uint Samples) { |
void Voice::Render(uint Samples) { |
632 |
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633 |
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// select default values for synthesis mode bits |
634 |
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SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, (PitchBase * PitchBend) != 1.0f); |
635 |
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SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, true); |
636 |
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SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false); |
637 |
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638 |
// Reset the synthesis parameter matrix |
// Reset the synthesis parameter matrix |
639 |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * pEngine->GlobalVolume); |
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640 |
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pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngine->GlobalVolume); |
641 |
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
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#if ENABLE_FILTER |
|
642 |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
643 |
pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue); |
pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue); |
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#endif // ENABLE_FILTER |
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644 |
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|
645 |
// Apply events to the synthesis parameter matrix |
// Apply events to the synthesis parameter matrix |
646 |
ProcessEvents(Samples); |
ProcessEvents(Samples); |
647 |
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|
648 |
// 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 |
649 |
pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend, itKillEvent); |
650 |
#if ENABLE_FILTER |
pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
651 |
pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
if (pEG3->Process(Samples)) { // if pitch EG is active |
652 |
#endif // ENABLE_FILTER |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
653 |
pEG3->Process(Samples); |
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
654 |
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} |
655 |
pLFO1->Process(Samples); |
pLFO1->Process(Samples); |
|
#if ENABLE_FILTER |
|
656 |
pLFO2->Process(Samples); |
pLFO2->Process(Samples); |
657 |
#endif // ENABLE_FILTER |
if (pLFO3->Process(Samples)) { // if pitch LFO modulation is active |
658 |
pLFO3->Process(Samples); |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
659 |
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SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
660 |
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} |
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#if ENABLE_FILTER |
|
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CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters |
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#endif // ENABLE_FILTER |
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661 |
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662 |
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if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) |
663 |
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CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters |
664 |
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|
665 |
switch (this->PlaybackState) { |
switch (this->PlaybackState) { |
666 |
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|
667 |
case playback_state_ram: { |
case playback_state_ram: { |
668 |
if (RAMLoop) InterpolateAndLoop(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping |
669 |
else Interpolate(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
|
670 |
|
// render current fragment |
671 |
|
Synthesize(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
672 |
|
|
673 |
if (DiskVoice) { |
if (DiskVoice) { |
674 |
// check if we reached the allowed limit of the sample RAM cache |
// check if we reached the allowed limit of the sample RAM cache |
675 |
if (Pos > MaxRAMPos) { |
if (Pos > MaxRAMPos) { |
689 |
DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID); |
DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID); |
690 |
if (!DiskStreamRef.pStream) { |
if (!DiskStreamRef.pStream) { |
691 |
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; |
692 |
Kill(); |
KillImmediately(); |
693 |
return; |
return; |
694 |
} |
} |
695 |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (RTMath::DoubleToInt(Pos) - MaxRAMPos)); |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos)); |
696 |
Pos -= RTMath::DoubleToInt(Pos); |
Pos -= int(Pos); |
697 |
} |
} |
698 |
|
|
699 |
|
const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace(); |
700 |
|
|
701 |
// 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) |
702 |
if (DiskStreamRef.State == Stream::state_end && DiskStreamRef.pStream->GetReadSpace() < (pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels) { |
if (DiskStreamRef.State == Stream::state_end) { |
703 |
DiskStreamRef.pStream->WriteSilence((pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels); |
const int maxSampleWordsPerCycle = (pEngine->MaxSamplesPerCycle << MAX_PITCH) * pSample->Channels + 6; // +6 for the interpolator algorithm |
704 |
this->PlaybackState = playback_state_end; |
if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) { |
705 |
|
DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead); |
706 |
|
} |
707 |
} |
} |
708 |
|
|
709 |
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 |
710 |
Interpolate(Samples, ptr, Delay); |
|
711 |
DiskStreamRef.pStream->IncrementReadPos(RTMath::DoubleToInt(Pos) * pSample->Channels); |
// render current audio fragment |
712 |
Pos -= RTMath::DoubleToInt(Pos); |
Synthesize(Samples, ptr, Delay); |
713 |
|
|
714 |
|
const int iPos = (int) Pos; |
715 |
|
const int readSampleWords = iPos * pSample->Channels; // amount of sample words actually been read |
716 |
|
DiskStreamRef.pStream->IncrementReadPos(readSampleWords); |
717 |
|
Pos -= iPos; // just keep fractional part of Pos |
718 |
|
|
719 |
|
// change state of voice to 'end' if we really reached the end of the sample data |
720 |
|
if (DiskStreamRef.State == Stream::state_end && readSampleWords >= sampleWordsLeftToRead) this->PlaybackState = playback_state_end; |
721 |
} |
} |
722 |
break; |
break; |
723 |
|
|
724 |
case playback_state_end: |
case playback_state_end: |
725 |
Kill(); // free voice |
std::cerr << "gig::Voice::Render(): entered with playback_state_end, this is a bug!\n" << std::flush; |
726 |
break; |
break; |
727 |
} |
} |
728 |
|
|
|
|
|
|
#if ENABLE_FILTER |
|
729 |
// 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) |
730 |
|
pEngine->pSynthesisEvents[Event::destination_vca]->clear(); |
731 |
pEngine->pSynthesisEvents[Event::destination_vcfc]->clear(); |
pEngine->pSynthesisEvents[Event::destination_vcfc]->clear(); |
732 |
pEngine->pSynthesisEvents[Event::destination_vcfr]->clear(); |
pEngine->pSynthesisEvents[Event::destination_vcfr]->clear(); |
|
#endif // ENABLE_FILTER |
|
733 |
|
|
734 |
// Reset delay |
// Reset delay |
735 |
Delay = 0; |
Delay = 0; |
736 |
|
|
737 |
pTriggerEvent = NULL; |
itTriggerEvent = Pool<Event>::Iterator(); |
738 |
|
|
739 |
// If release stage finished, let the voice be killed |
// If sample stream or release stage finished, kill the voice |
740 |
if (pEG1->GetStage() == EGADSR::stage_end) this->PlaybackState = playback_state_end; |
if (PlaybackState == playback_state_end || pEG1->GetStage() == EGADSR::stage_end) KillImmediately(); |
741 |
} |
} |
742 |
|
|
743 |
/** |
/** |
748 |
pLFO1->Reset(); |
pLFO1->Reset(); |
749 |
pLFO2->Reset(); |
pLFO2->Reset(); |
750 |
pLFO3->Reset(); |
pLFO3->Reset(); |
751 |
|
FilterLeft.Reset(); |
752 |
|
FilterRight.Reset(); |
753 |
DiskStreamRef.pStream = NULL; |
DiskStreamRef.pStream = NULL; |
754 |
DiskStreamRef.hStream = 0; |
DiskStreamRef.hStream = 0; |
755 |
DiskStreamRef.State = Stream::state_unused; |
DiskStreamRef.State = Stream::state_unused; |
756 |
DiskStreamRef.OrderID = 0; |
DiskStreamRef.OrderID = 0; |
757 |
Active = false; |
PlaybackState = playback_state_end; |
758 |
|
itTriggerEvent = Pool<Event>::Iterator(); |
759 |
|
itKillEvent = Pool<Event>::Iterator(); |
760 |
} |
} |
761 |
|
|
762 |
/** |
/** |
769 |
void Voice::ProcessEvents(uint Samples) { |
void Voice::ProcessEvents(uint Samples) { |
770 |
|
|
771 |
// dispatch control change events |
// dispatch control change events |
772 |
Event* pCCEvent = pEngine->pCCEvents->first(); |
RTList<Event>::Iterator itCCEvent = pEngine->pCCEvents->first(); |
773 |
if (Delay) { // skip events that happened before this voice was triggered |
if (Delay) { // skip events that happened before this voice was triggered |
774 |
while (pCCEvent && pCCEvent->FragmentPos() <= Delay) pCCEvent = pEngine->pCCEvents->next(); |
while (itCCEvent && itCCEvent->FragmentPos() <= Delay) ++itCCEvent; |
775 |
} |
} |
776 |
while (pCCEvent) { |
while (itCCEvent) { |
777 |
if (pCCEvent->Controller) { // if valid MIDI controller |
if (itCCEvent->Param.CC.Controller) { // if valid MIDI controller |
778 |
#if ENABLE_FILTER |
if (itCCEvent->Param.CC.Controller == VCFCutoffCtrl.controller) { |
779 |
if (pCCEvent->Controller == VCFCutoffCtrl.controller) { |
*pEngine->pSynthesisEvents[Event::destination_vcfc]->allocAppend() = *itCCEvent; |
780 |
pEngine->pSynthesisEvents[Event::destination_vcfc]->alloc_assign(*pCCEvent); |
} |
781 |
|
if (itCCEvent->Param.CC.Controller == VCFResonanceCtrl.controller) { |
782 |
|
*pEngine->pSynthesisEvents[Event::destination_vcfr]->allocAppend() = *itCCEvent; |
783 |
} |
} |
784 |
if (pCCEvent->Controller == VCFResonanceCtrl.controller) { |
if (itCCEvent->Param.CC.Controller == pLFO1->ExtController) { |
785 |
pEngine->pSynthesisEvents[Event::destination_vcfr]->alloc_assign(*pCCEvent); |
pLFO1->SendEvent(itCCEvent); |
786 |
} |
} |
787 |
#endif // ENABLE_FILTER |
if (itCCEvent->Param.CC.Controller == pLFO2->ExtController) { |
788 |
if (pCCEvent->Controller == pLFO1->ExtController) { |
pLFO2->SendEvent(itCCEvent); |
|
pLFO1->SendEvent(pCCEvent); |
|
789 |
} |
} |
790 |
#if ENABLE_FILTER |
if (itCCEvent->Param.CC.Controller == pLFO3->ExtController) { |
791 |
if (pCCEvent->Controller == pLFO2->ExtController) { |
pLFO3->SendEvent(itCCEvent); |
|
pLFO2->SendEvent(pCCEvent); |
|
792 |
} |
} |
793 |
#endif // ENABLE_FILTER |
if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
794 |
if (pCCEvent->Controller == pLFO3->ExtController) { |
itCCEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) { // if crossfade event |
795 |
pLFO3->SendEvent(pCCEvent); |
*pEngine->pSynthesisEvents[Event::destination_vca]->allocAppend() = *itCCEvent; |
796 |
} |
} |
797 |
} |
} |
798 |
|
|
799 |
pCCEvent = pEngine->pCCEvents->next(); |
++itCCEvent; |
800 |
} |
} |
801 |
|
|
802 |
|
|
803 |
// process pitch events |
// process pitch events |
804 |
{ |
{ |
805 |
RTEList<Event>* pVCOEventList = pEngine->pSynthesisEvents[Event::destination_vco]; |
RTList<Event>* pVCOEventList = pEngine->pSynthesisEvents[Event::destination_vco]; |
806 |
Event* pVCOEvent = pVCOEventList->first(); |
RTList<Event>::Iterator itVCOEvent = pVCOEventList->first(); |
807 |
if (Delay) { // skip events that happened before this voice was triggered |
if (Delay) { // skip events that happened before this voice was triggered |
808 |
while (pVCOEvent && pVCOEvent->FragmentPos() <= Delay) pVCOEvent = pVCOEventList->next(); |
while (itVCOEvent && itVCOEvent->FragmentPos() <= Delay) ++itVCOEvent; |
809 |
} |
} |
810 |
// apply old pitchbend value until first pitch event occurs |
// apply old pitchbend value until first pitch event occurs |
811 |
if (this->PitchBend != 1.0) { |
if (this->PitchBend != 1.0) { |
812 |
uint end = (pVCOEvent) ? pVCOEvent->FragmentPos() : Samples; |
uint end = (itVCOEvent) ? itVCOEvent->FragmentPos() : Samples; |
813 |
for (uint i = Delay; i < end; i++) { |
for (uint i = Delay; i < end; i++) { |
814 |
pEngine->pSynthesisParameters[Event::destination_vco][i] *= this->PitchBend; |
pEngine->pSynthesisParameters[Event::destination_vco][i] *= this->PitchBend; |
815 |
} |
} |
816 |
} |
} |
817 |
float pitch; |
float pitch; |
818 |
while (pVCOEvent) { |
while (itVCOEvent) { |
819 |
Event* pNextVCOEvent = pVCOEventList->next(); |
RTList<Event>::Iterator itNextVCOEvent = itVCOEvent; |
820 |
|
++itNextVCOEvent; |
821 |
|
|
822 |
// calculate the influence length of this event (in sample points) |
// calculate the influence length of this event (in sample points) |
823 |
uint end = (pNextVCOEvent) ? pNextVCOEvent->FragmentPos() : Samples; |
uint end = (itNextVCOEvent) ? itNextVCOEvent->FragmentPos() : Samples; |
824 |
|
|
825 |
pitch = RTMath::CentsToFreqRatio(((double) pVCOEvent->Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents |
pitch = RTMath::CentsToFreqRatio(((double) itVCOEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents |
826 |
|
|
827 |
// apply pitch value to the pitch parameter sequence |
// apply pitch value to the pitch parameter sequence |
828 |
for (uint i = pVCOEvent->FragmentPos(); i < end; i++) { |
for (uint i = itVCOEvent->FragmentPos(); i < end; i++) { |
829 |
pEngine->pSynthesisParameters[Event::destination_vco][i] *= pitch; |
pEngine->pSynthesisParameters[Event::destination_vco][i] *= pitch; |
830 |
} |
} |
831 |
|
|
832 |
pVCOEvent = pNextVCOEvent; |
itVCOEvent = itNextVCOEvent; |
833 |
|
} |
834 |
|
if (!pVCOEventList->isEmpty()) { |
835 |
|
this->PitchBend = pitch; |
836 |
|
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
837 |
|
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
838 |
} |
} |
|
if (pVCOEventList->last()) this->PitchBend = pitch; |
|
839 |
} |
} |
840 |
|
|
841 |
|
// process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !) |
842 |
|
{ |
843 |
|
RTList<Event>* pVCAEventList = pEngine->pSynthesisEvents[Event::destination_vca]; |
844 |
|
RTList<Event>::Iterator itVCAEvent = pVCAEventList->first(); |
845 |
|
if (Delay) { // skip events that happened before this voice was triggered |
846 |
|
while (itVCAEvent && itVCAEvent->FragmentPos() <= Delay) ++itVCAEvent; |
847 |
|
} |
848 |
|
float crossfadevolume; |
849 |
|
while (itVCAEvent) { |
850 |
|
RTList<Event>::Iterator itNextVCAEvent = itVCAEvent; |
851 |
|
++itNextVCAEvent; |
852 |
|
|
853 |
|
// calculate the influence length of this event (in sample points) |
854 |
|
uint end = (itNextVCAEvent) ? itNextVCAEvent->FragmentPos() : Samples; |
855 |
|
|
856 |
|
crossfadevolume = CrossfadeAttenuation(itVCAEvent->Param.CC.Value); |
857 |
|
|
858 |
|
float effective_volume = crossfadevolume * this->Volume * pEngine->GlobalVolume; |
859 |
|
|
860 |
|
// apply volume value to the volume parameter sequence |
861 |
|
for (uint i = itVCAEvent->FragmentPos(); i < end; i++) { |
862 |
|
pEngine->pSynthesisParameters[Event::destination_vca][i] = effective_volume; |
863 |
|
} |
864 |
|
|
865 |
|
itVCAEvent = itNextVCAEvent; |
866 |
|
} |
867 |
|
if (!pVCAEventList->isEmpty()) this->CrossfadeVolume = crossfadevolume; |
868 |
|
} |
869 |
|
|
|
#if ENABLE_FILTER |
|
870 |
// process filter cutoff events |
// process filter cutoff events |
871 |
{ |
{ |
872 |
RTEList<Event>* pCutoffEventList = pEngine->pSynthesisEvents[Event::destination_vcfc]; |
RTList<Event>* pCutoffEventList = pEngine->pSynthesisEvents[Event::destination_vcfc]; |
873 |
Event* pCutoffEvent = pCutoffEventList->first(); |
RTList<Event>::Iterator itCutoffEvent = pCutoffEventList->first(); |
874 |
if (Delay) { // skip events that happened before this voice was triggered |
if (Delay) { // skip events that happened before this voice was triggered |
875 |
while (pCutoffEvent && pCutoffEvent->FragmentPos() <= Delay) pCutoffEvent = pCutoffEventList->next(); |
while (itCutoffEvent && itCutoffEvent->FragmentPos() <= Delay) ++itCutoffEvent; |
876 |
} |
} |
877 |
float cutoff; |
float cutoff; |
878 |
while (pCutoffEvent) { |
while (itCutoffEvent) { |
879 |
Event* pNextCutoffEvent = pCutoffEventList->next(); |
RTList<Event>::Iterator itNextCutoffEvent = itCutoffEvent; |
880 |
|
++itNextCutoffEvent; |
881 |
|
|
882 |
// calculate the influence length of this event (in sample points) |
// calculate the influence length of this event (in sample points) |
883 |
uint end = (pNextCutoffEvent) ? pNextCutoffEvent->FragmentPos() : Samples; |
uint end = (itNextCutoffEvent) ? itNextCutoffEvent->FragmentPos() : Samples; |
884 |
|
|
885 |
cutoff = exp((float) pCutoffEvent->Value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX - FILTER_CUTOFF_MIN; |
cutoff = exp((float) itCutoffEvent->Param.CC.Value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX - FILTER_CUTOFF_MIN; |
886 |
|
|
887 |
// apply cutoff frequency to the cutoff parameter sequence |
// apply cutoff frequency to the cutoff parameter sequence |
888 |
for (uint i = pCutoffEvent->FragmentPos(); i < end; i++) { |
for (uint i = itCutoffEvent->FragmentPos(); i < end; i++) { |
889 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i] = cutoff; |
pEngine->pSynthesisParameters[Event::destination_vcfc][i] = cutoff; |
890 |
} |
} |
891 |
|
|
892 |
pCutoffEvent = pNextCutoffEvent; |
itCutoffEvent = itNextCutoffEvent; |
893 |
} |
} |
894 |
if (pCutoffEventList->last()) VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of parameter matrix next time |
if (!pCutoffEventList->isEmpty()) VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of parameter matrix next time |
895 |
} |
} |
896 |
|
|
897 |
// process filter resonance events |
// process filter resonance events |
898 |
{ |
{ |
899 |
RTEList<Event>* pResonanceEventList = pEngine->pSynthesisEvents[Event::destination_vcfr]; |
RTList<Event>* pResonanceEventList = pEngine->pSynthesisEvents[Event::destination_vcfr]; |
900 |
Event* pResonanceEvent = pResonanceEventList->first(); |
RTList<Event>::Iterator itResonanceEvent = pResonanceEventList->first(); |
901 |
if (Delay) { // skip events that happened before this voice was triggered |
if (Delay) { // skip events that happened before this voice was triggered |
902 |
while (pResonanceEvent && pResonanceEvent->FragmentPos() <= Delay) pResonanceEvent = pResonanceEventList->next(); |
while (itResonanceEvent && itResonanceEvent->FragmentPos() <= Delay) ++itResonanceEvent; |
903 |
} |
} |
904 |
while (pResonanceEvent) { |
while (itResonanceEvent) { |
905 |
Event* pNextResonanceEvent = pResonanceEventList->next(); |
RTList<Event>::Iterator itNextResonanceEvent = itResonanceEvent; |
906 |
|
++itNextResonanceEvent; |
907 |
|
|
908 |
// calculate the influence length of this event (in sample points) |
// calculate the influence length of this event (in sample points) |
909 |
uint end = (pNextResonanceEvent) ? pNextResonanceEvent->FragmentPos() : Samples; |
uint end = (itNextResonanceEvent) ? itNextResonanceEvent->FragmentPos() : Samples; |
910 |
|
|
911 |
// convert absolute controller value to differential |
// convert absolute controller value to differential |
912 |
int ctrldelta = pResonanceEvent->Value - VCFResonanceCtrl.value; |
int ctrldelta = itResonanceEvent->Param.CC.Value - VCFResonanceCtrl.value; |
913 |
VCFResonanceCtrl.value = pResonanceEvent->Value; |
VCFResonanceCtrl.value = itResonanceEvent->Param.CC.Value; |
914 |
|
|
915 |
float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0 |
float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0 |
916 |
|
|
917 |
// apply cutoff frequency to the cutoff parameter sequence |
// apply cutoff frequency to the cutoff parameter sequence |
918 |
for (uint i = pResonanceEvent->FragmentPos(); i < end; i++) { |
for (uint i = itResonanceEvent->FragmentPos(); i < end; i++) { |
919 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i] += resonancedelta; |
pEngine->pSynthesisParameters[Event::destination_vcfr][i] += resonancedelta; |
920 |
} |
} |
921 |
|
|
922 |
pResonanceEvent = pNextResonanceEvent; |
itResonanceEvent = itNextResonanceEvent; |
923 |
} |
} |
924 |
if (pResonanceEventList->last()) VCFResonanceCtrl.fvalue = pResonanceEventList->last()->Value * 0.00787f; // needed for initialization of parameter matrix next time |
if (!pResonanceEventList->isEmpty()) VCFResonanceCtrl.fvalue = pResonanceEventList->last()->Param.CC.Value * 0.00787f; // needed for initialization of parameter matrix next time |
925 |
} |
} |
|
#endif // ENABLE_FILTER |
|
926 |
} |
} |
927 |
|
|
|
#if ENABLE_FILTER |
|
928 |
/** |
/** |
929 |
* Calculate all necessary, final biquad filter parameters. |
* Calculate all necessary, final biquad filter parameters. |
930 |
* |
* |
931 |
* @param Samples - number of samples to be rendered in this audio fragment cycle |
* @param Samples - number of samples to be rendered in this audio fragment cycle |
932 |
*/ |
*/ |
933 |
void Voice::CalculateBiquadParameters(uint Samples) { |
void Voice::CalculateBiquadParameters(uint Samples) { |
|
if (!FilterLeft.Enabled) return; |
|
|
|
|
934 |
biquad_param_t bqbase; |
biquad_param_t bqbase; |
935 |
biquad_param_t bqmain; |
biquad_param_t bqmain; |
936 |
float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0]; |
float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0]; |
937 |
float prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][0]; |
float prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][0]; |
938 |
FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
939 |
|
FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
940 |
pEngine->pBasicFilterParameters[0] = bqbase; |
pEngine->pBasicFilterParameters[0] = bqbase; |
941 |
pEngine->pMainFilterParameters[0] = bqmain; |
pEngine->pMainFilterParameters[0] = bqmain; |
942 |
|
|
943 |
float* bq; |
float* bq; |
944 |
for (int i = 1; i < Samples; i++) { |
for (int i = 1; i < Samples; i++) { |
945 |
// recalculate biquad parameters if cutoff or resonance differ from previous sample point |
// recalculate biquad parameters if cutoff or resonance differ from previous sample point |
946 |
if (!(i & FILTER_UPDATE_MASK)) if (pEngine->pSynthesisParameters[Event::destination_vcfr][i] != prev_res || |
if (!(i & FILTER_UPDATE_MASK)) { |
947 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i] != prev_cutoff) { |
if (pEngine->pSynthesisParameters[Event::destination_vcfr][i] != prev_res || |
948 |
prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i]; |
pEngine->pSynthesisParameters[Event::destination_vcfc][i] != prev_cutoff) |
949 |
prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][i]; |
{ |
950 |
FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i]; |
951 |
|
prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][i]; |
952 |
|
FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
953 |
|
FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
954 |
|
} |
955 |
} |
} |
956 |
|
|
957 |
//same as 'pEngine->pBasicFilterParameters[i] = bqbase;' |
//same as 'pEngine->pBasicFilterParameters[i] = bqbase;' |
958 |
bq = (float*) &pEngine->pBasicFilterParameters[i]; |
bq = (float*) &pEngine->pBasicFilterParameters[i]; |
959 |
bq[0] = bqbase.a1; |
bq[0] = bqbase.b0; |
960 |
bq[1] = bqbase.a2; |
bq[1] = bqbase.b1; |
961 |
bq[2] = bqbase.b0; |
bq[2] = bqbase.b2; |
962 |
bq[3] = bqbase.b1; |
bq[3] = bqbase.a1; |
963 |
bq[4] = bqbase.b2; |
bq[4] = bqbase.a2; |
964 |
|
|
965 |
// same as 'pEngine->pMainFilterParameters[i] = bqmain;' |
// same as 'pEngine->pMainFilterParameters[i] = bqmain;' |
966 |
bq = (float*) &pEngine->pMainFilterParameters[i]; |
bq = (float*) &pEngine->pMainFilterParameters[i]; |
967 |
bq[0] = bqmain.a1; |
bq[0] = bqmain.b0; |
968 |
bq[1] = bqmain.a2; |
bq[1] = bqmain.b1; |
969 |
bq[2] = bqmain.b0; |
bq[2] = bqmain.b2; |
970 |
bq[3] = bqmain.b1; |
bq[3] = bqmain.a1; |
971 |
bq[4] = bqmain.b2; |
bq[4] = bqmain.a2; |
972 |
} |
} |
973 |
} |
} |
|
#endif // ENABLE_FILTER |
|
974 |
|
|
975 |
/** |
/** |
976 |
* Interpolates the input audio data (no loop). |
* Synthesizes the current audio fragment for this voice. |
977 |
* |
* |
978 |
* @param Samples - number of sample points to be rendered in this audio |
* @param Samples - number of sample points to be rendered in this audio |
979 |
* fragment cycle |
* fragment cycle |
980 |
* @param pSrc - pointer to input sample data |
* @param pSrc - pointer to input sample data |
981 |
* @param Skip - number of sample points to skip in output buffer |
* @param Skip - number of sample points to skip in output buffer |
982 |
*/ |
*/ |
983 |
void Voice::Interpolate(uint Samples, sample_t* pSrc, uint Skip) { |
void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) { |
984 |
int i = Skip; |
RunSynthesisFunction(SynthesisMode, *this, Samples, pSrc, Skip); |
|
|
|
|
// FIXME: assuming either mono or stereo |
|
|
if (this->pSample->Channels == 2) { // Stereo Sample |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Stereo(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
} |
|
|
} |
|
|
else { // Mono Sample |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Mono(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
} |
|
|
} |
|
985 |
} |
} |
986 |
|
|
987 |
/** |
/** |
988 |
* Interpolates the input audio data, this method honors looping. |
* Immediately kill the voice. This method should not be used to kill |
989 |
|
* a normal, active voice, because it doesn't take care of things like |
990 |
|
* fading down the volume level to avoid clicks and regular processing |
991 |
|
* until the kill event actually occured! |
992 |
* |
* |
993 |
* @param Samples - number of sample points to be rendered in this audio |
* @see Kill() |
|
* fragment cycle |
|
|
* @param pSrc - pointer to input sample data |
|
|
* @param Skip - number of sample points to skip in output buffer |
|
994 |
*/ |
*/ |
995 |
void Voice::InterpolateAndLoop(uint Samples, sample_t* pSrc, uint Skip) { |
void Voice::KillImmediately() { |
996 |
int i = Skip; |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
997 |
|
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
|
// FIXME: assuming either mono or stereo |
|
|
if (pSample->Channels == 2) { // Stereo Sample |
|
|
if (pSample->LoopPlayCount) { |
|
|
// render loop (loop count limited) |
|
|
while (i < Samples && LoopCyclesLeft) { |
|
|
InterpolateOneStep_Stereo(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
if (Pos > pSample->LoopEnd) { |
|
|
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
|
|
LoopCyclesLeft--; |
|
|
} |
|
|
} |
|
|
// render on without loop |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Stereo(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
} |
|
|
} |
|
|
else { // render loop (endless loop) |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Stereo(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
if (Pos > pSample->LoopEnd) { |
|
|
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize); |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
|
else { // Mono Sample |
|
|
if (pSample->LoopPlayCount) { |
|
|
// render loop (loop count limited) |
|
|
while (i < Samples && LoopCyclesLeft) { |
|
|
InterpolateOneStep_Mono(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
if (Pos > pSample->LoopEnd) { |
|
|
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
|
|
LoopCyclesLeft--; |
|
|
} |
|
|
} |
|
|
// render on without loop |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Mono(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
} |
|
|
} |
|
|
else { // render loop (endless loop) |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Mono(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
if (Pos > pSample->LoopEnd) { |
|
|
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
|
|
} |
|
|
} |
|
|
} |
|
998 |
} |
} |
999 |
|
Reset(); |
1000 |
} |
} |
1001 |
|
|
1002 |
/** |
/** |
1003 |
* Immediately kill the voice. |
* Kill the voice in regular sense. Let the voice render audio until |
1004 |
|
* the kill event actually occured and then fade down the volume level |
1005 |
|
* very quickly and let the voice die finally. Unlike a normal release |
1006 |
|
* of a voice, a kill process cannot be cancalled and is therefore |
1007 |
|
* usually used for voice stealing and key group conflicts. |
1008 |
|
* |
1009 |
|
* @param itKillEvent - event which caused the voice to be killed |
1010 |
*/ |
*/ |
1011 |
void Voice::Kill() { |
void Voice::Kill(Pool<Event>::Iterator& itKillEvent) { |
1012 |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
//FIXME: just two sanity checks for debugging, can be removed |
1013 |
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n")); |
1014 |
} |
if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n")); |
1015 |
Reset(); |
|
1016 |
|
if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return; |
1017 |
|
this->itKillEvent = itKillEvent; |
1018 |
} |
} |
1019 |
|
|
1020 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |