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 * |
35 |
const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask()); |
const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask()); |
36 |
|
|
37 |
float Voice::CalculateFilterCutoffCoeff() { |
float Voice::CalculateFilterCutoffCoeff() { |
38 |
return log(FILTER_CUTOFF_MIN / FILTER_CUTOFF_MAX); |
return log(CONFIG_FILTER_CUTOFF_MAX / CONFIG_FILTER_CUTOFF_MIN); |
39 |
} |
} |
40 |
|
|
41 |
int Voice::CalculateFilterUpdateMask() { |
int Voice::CalculateFilterUpdateMask() { |
42 |
if (FILTER_UPDATE_PERIOD <= 0) return 0; |
if (CONFIG_FILTER_UPDATE_STEPS <= 0) return 0; |
43 |
int power_of_two; |
int power_of_two; |
44 |
for (power_of_two = 0; 1<<power_of_two < FILTER_UPDATE_PERIOD; power_of_two++); |
for (power_of_two = 0; 1<<power_of_two < CONFIG_FILTER_UPDATE_STEPS; power_of_two++); |
45 |
return (1 << power_of_two) - 1; |
return (1 << power_of_two) - 1; |
46 |
} |
} |
47 |
|
|
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 CONFIG_ASM && ARCH_X86 |
65 |
SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE()); |
SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE()); |
66 |
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#else |
67 |
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SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false); |
68 |
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#endif |
69 |
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SYNTHESIS_MODE_SET_PROFILING(SynthesisMode, true); |
70 |
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71 |
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FilterLeft.Reset(); |
72 |
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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 itNoteOnEvent - event that caused triggering of this voice |
* @param pEngineChannel - engine channel on which this voice was ordered |
121 |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
* @param itNoteOnEvent - event that caused triggering of this voice |
122 |
* @param pInstrument - points to the loaded instrument which provides sample wave(s) and articulation data |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
123 |
* @param iLayer - layer number this voice refers to (only if this is a layered sound of course) |
* @param pDimRgn - points to the dimension region which provides sample wave(s) and articulation data |
124 |
* @param ReleaseTriggerVoice - if this new voice is a release trigger voice (optional, default = false) |
* @param VoiceType - type of this voice |
125 |
* @param VoiceStealing - wether the voice is allowed to steal voices for further subvoices |
* @param iKeyGroup - a value > 0 defines a key group in which this voice is member of |
126 |
* @returns 0 on success, a value < 0 if something failed |
* @returns 0 on success, a value < 0 if the voice wasn't triggered |
127 |
|
* (either due to an error or e.g. because no region is |
128 |
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* defined for the given key) |
129 |
*/ |
*/ |
130 |
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::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup) { |
131 |
if (!pInstrument) { |
this->pEngineChannel = pEngineChannel; |
132 |
dmsg(1,("voice::trigger: !pInstrument\n")); |
this->pDimRgn = pDimRgn; |
133 |
exit(EXIT_FAILURE); |
|
134 |
} |
#if CONFIG_DEVMODE |
135 |
if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging) |
if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // just a sanity check for debugging |
136 |
dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n")); |
dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n")); |
137 |
} |
} |
138 |
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#endif // CONFIG_DEVMODE |
139 |
|
|
140 |
Type = type_normal; |
Type = VoiceType; |
141 |
MIDIKey = itNoteOnEvent->Param.Note.Key; |
MIDIKey = itNoteOnEvent->Param.Note.Key; |
142 |
pRegion = pInstrument->GetRegion(MIDIKey); |
PlaybackState = playback_state_init; // mark voice as triggered, but no audio rendered yet |
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PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
|
143 |
Delay = itNoteOnEvent->FragmentPos(); |
Delay = itNoteOnEvent->FragmentPos(); |
144 |
itTriggerEvent = itNoteOnEvent; |
itTriggerEvent = itNoteOnEvent; |
145 |
itKillEvent = Pool<Event>::Iterator(); |
itKillEvent = Pool<Event>::Iterator(); |
146 |
itChildVoice = Pool<Voice>::Iterator(); |
KeyGroup = iKeyGroup; |
147 |
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pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
148 |
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|
149 |
if (!pRegion) { |
// calculate volume |
150 |
std::cerr << "gig::Voice: No Region defined for MIDI key " << MIDIKey << std::endl << std::flush; |
const double velocityAttenuation = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity); |
|
KillImmediately(); |
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return -1; |
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} |
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151 |
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152 |
KeyGroup = pRegion->KeyGroup; |
Volume = velocityAttenuation / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0) |
153 |
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154 |
// get current dimension values to select the right dimension region |
Volume *= pDimRgn->SampleAttenuation; |
155 |
//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
|
156 |
uint DimValues[5] = {0,0,0,0,0}; |
// the volume of release triggered samples depends on note length |
157 |
for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
if (Type == type_release_trigger) { |
158 |
switch (pRegion->pDimensionDefinitions[i].dimension) { |
float noteLength = float(pEngine->FrameTime + Delay - |
159 |
case ::gig::dimension_samplechannel: |
pEngineChannel->pMIDIKeyInfo[MIDIKey].NoteOnTime) / pEngine->SampleRate; |
160 |
DimValues[i] = 0; //TODO: we currently ignore this dimension |
float attenuation = 1 - 0.01053 * (256 >> pDimRgn->ReleaseTriggerDecay) * noteLength; |
161 |
break; |
if (attenuation <= 0) return -1; |
162 |
case ::gig::dimension_layer: |
Volume *= attenuation; |
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DimValues[i] = iLayer; |
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// if this is the 1st layer then spawn further voices for all the other layers |
|
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if (iLayer == 0) |
|
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for (int iNewLayer = 1; iNewLayer < pRegion->pDimensionDefinitions[i].zones; iNewLayer++) |
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itChildVoice = pEngine->LaunchVoice(itNoteOnEvent, iNewLayer, ReleaseTriggerVoice, VoiceStealing); |
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break; |
|
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case ::gig::dimension_velocity: |
|
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DimValues[i] = itNoteOnEvent->Param.Note.Velocity; |
|
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break; |
|
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case ::gig::dimension_channelaftertouch: |
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DimValues[i] = 0; //TODO: we currently ignore this dimension |
|
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break; |
|
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case ::gig::dimension_releasetrigger: |
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Type = (ReleaseTriggerVoice) ? type_release_trigger : (!iLayer) ? type_release_trigger_required : type_normal; |
|
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DimValues[i] = (uint) ReleaseTriggerVoice; |
|
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break; |
|
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case ::gig::dimension_keyboard: |
|
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DimValues[i] = (uint) itNoteOnEvent->Param.Note.Key; |
|
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break; |
|
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case ::gig::dimension_modwheel: |
|
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DimValues[i] = pEngine->ControllerTable[1]; |
|
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break; |
|
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case ::gig::dimension_breath: |
|
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DimValues[i] = pEngine->ControllerTable[2]; |
|
|
break; |
|
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case ::gig::dimension_foot: |
|
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DimValues[i] = pEngine->ControllerTable[4]; |
|
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break; |
|
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case ::gig::dimension_portamentotime: |
|
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DimValues[i] = pEngine->ControllerTable[5]; |
|
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break; |
|
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case ::gig::dimension_effect1: |
|
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DimValues[i] = pEngine->ControllerTable[12]; |
|
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break; |
|
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case ::gig::dimension_effect2: |
|
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DimValues[i] = pEngine->ControllerTable[13]; |
|
|
break; |
|
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case ::gig::dimension_genpurpose1: |
|
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DimValues[i] = pEngine->ControllerTable[16]; |
|
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break; |
|
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case ::gig::dimension_genpurpose2: |
|
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DimValues[i] = pEngine->ControllerTable[17]; |
|
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break; |
|
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case ::gig::dimension_genpurpose3: |
|
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DimValues[i] = pEngine->ControllerTable[18]; |
|
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break; |
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case ::gig::dimension_genpurpose4: |
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DimValues[i] = pEngine->ControllerTable[19]; |
|
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break; |
|
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case ::gig::dimension_sustainpedal: |
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DimValues[i] = pEngine->ControllerTable[64]; |
|
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break; |
|
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case ::gig::dimension_portamento: |
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DimValues[i] = pEngine->ControllerTable[65]; |
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break; |
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case ::gig::dimension_sostenutopedal: |
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DimValues[i] = pEngine->ControllerTable[66]; |
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break; |
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case ::gig::dimension_softpedal: |
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DimValues[i] = pEngine->ControllerTable[67]; |
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break; |
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case ::gig::dimension_genpurpose5: |
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DimValues[i] = pEngine->ControllerTable[80]; |
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break; |
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case ::gig::dimension_genpurpose6: |
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DimValues[i] = pEngine->ControllerTable[81]; |
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break; |
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case ::gig::dimension_genpurpose7: |
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DimValues[i] = pEngine->ControllerTable[82]; |
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break; |
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case ::gig::dimension_genpurpose8: |
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DimValues[i] = pEngine->ControllerTable[83]; |
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break; |
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case ::gig::dimension_effect1depth: |
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DimValues[i] = pEngine->ControllerTable[91]; |
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break; |
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case ::gig::dimension_effect2depth: |
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DimValues[i] = pEngine->ControllerTable[92]; |
|
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break; |
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case ::gig::dimension_effect3depth: |
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DimValues[i] = pEngine->ControllerTable[93]; |
|
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break; |
|
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case ::gig::dimension_effect4depth: |
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DimValues[i] = pEngine->ControllerTable[94]; |
|
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break; |
|
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case ::gig::dimension_effect5depth: |
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DimValues[i] = pEngine->ControllerTable[95]; |
|
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break; |
|
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case ::gig::dimension_none: |
|
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std::cerr << "gig::Voice::Trigger() Error: dimension=none\n" << std::flush; |
|
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break; |
|
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default: |
|
|
std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush; |
|
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} |
|
163 |
} |
} |
|
pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]); |
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|
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pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
|
164 |
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|
165 |
// select channel mode (mono or stereo) |
// select channel mode (mono or stereo) |
166 |
SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2); |
SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2); |
174 |
CrossfadeVolume = CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity); |
CrossfadeVolume = CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity); |
175 |
break; |
break; |
176 |
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
177 |
CrossfadeVolume = CrossfadeAttenuation(pEngine->ControllerTable[pDimRgn->AttenuationController.controller_number]); |
CrossfadeVolume = CrossfadeAttenuation(pEngineChannel->ControllerTable[pDimRgn->AttenuationController.controller_number]); |
178 |
break; |
break; |
179 |
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
180 |
default: |
default: |
191 |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
192 |
|
|
193 |
if (DiskVoice) { // voice to be streamed from disk |
if (DiskVoice) { // voice to be streamed from disk |
194 |
MaxRAMPos = cachedsamples - (pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels; //TODO: this calculation is too pessimistic and may better be moved to Render() method, so it calculates MaxRAMPos dependent to the current demand of sample points to be rendered (e.g. in case of JACK) |
MaxRAMPos = cachedsamples - (pEngine->MaxSamplesPerCycle << CONFIG_MAX_PITCH) / pSample->Channels; //TODO: this calculation is too pessimistic and may better be moved to Render() method, so it calculates MaxRAMPos dependent to the current demand of sample points to be rendered (e.g. in case of JACK) |
195 |
|
|
196 |
// check if there's a loop defined which completely fits into the cached (RAM) part of the sample |
// check if there's a loop defined which completely fits into the cached (RAM) part of the sample |
197 |
if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) { |
if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) { |
220 |
|
|
221 |
// calculate initial pitch value |
// calculate initial pitch value |
222 |
{ |
{ |
223 |
double pitchbasecents = pDimRgn->FineTune * 10 + (int) pEngine->ScaleTuning[MIDIKey % 12]; |
double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12]; |
224 |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
225 |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate())); |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate())); |
226 |
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 |
227 |
} |
} |
228 |
|
|
229 |
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) |
// the length of the decay and release curves are dependent on the velocity |
230 |
|
const double velrelease = 1 / pDimRgn->GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity); |
231 |
|
|
232 |
// setup EG 1 (VCA EG) |
// setup EG 1 (VCA EG) |
233 |
{ |
{ |
244 |
eg1controllervalue = itNoteOnEvent->Param.Note.Velocity; |
eg1controllervalue = itNoteOnEvent->Param.Note.Velocity; |
245 |
break; |
break; |
246 |
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
247 |
eg1controllervalue = pEngine->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
eg1controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
248 |
break; |
break; |
249 |
} |
} |
250 |
if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
251 |
|
|
252 |
// calculate influence of EG1 controller on EG1's parameters (TODO: needs to be fine tuned) |
// calculate influence of EG1 controller on EG1's parameters |
253 |
double eg1attack = (pDimRgn->EG1ControllerAttackInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 0.0; |
// (eg1attack is different from the others) |
254 |
double eg1decay = (pDimRgn->EG1ControllerDecayInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence) * eg1controllervalue : 0.0; |
double eg1attack = (pDimRgn->EG1ControllerAttackInfluence) ? |
255 |
double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 0.0; |
1 + 0.031 * (double) (pDimRgn->EG1ControllerAttackInfluence == 1 ? |
256 |
|
1 : 1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 1.0; |
257 |
|
double eg1decay = (pDimRgn->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence) * eg1controllervalue : 1.0; |
258 |
|
double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 1.0; |
259 |
|
|
260 |
pEG1->Trigger(pDimRgn->EG1PreAttack, |
pEG1->Trigger(pDimRgn->EG1PreAttack, |
261 |
pDimRgn->EG1Attack + eg1attack, |
pDimRgn->EG1Attack * eg1attack, |
262 |
pDimRgn->EG1Hold, |
pDimRgn->EG1Hold, |
263 |
pSample->LoopStart, |
pSample->LoopStart, |
264 |
pDimRgn->EG1Decay1 + eg1decay, |
pDimRgn->EG1Decay1 * eg1decay * velrelease, |
265 |
pDimRgn->EG1Decay2 + eg1decay, |
pDimRgn->EG1Decay2 * eg1decay * velrelease, |
266 |
pDimRgn->EG1InfiniteSustain, |
pDimRgn->EG1InfiniteSustain, |
267 |
pDimRgn->EG1Sustain, |
pDimRgn->EG1Sustain, |
268 |
pDimRgn->EG1Release + eg1release, |
pDimRgn->EG1Release * eg1release * velrelease, |
269 |
Delay); |
// the SSE synthesis implementation requires |
270 |
|
// the vca start to be 16 byte aligned |
271 |
|
SYNTHESIS_MODE_GET_IMPLEMENTATION(SynthesisMode) ? |
272 |
|
Delay & 0xfffffffc : Delay, |
273 |
|
velocityAttenuation); |
274 |
} |
} |
275 |
|
|
276 |
|
|
289 |
eg2controllervalue = itNoteOnEvent->Param.Note.Velocity; |
eg2controllervalue = itNoteOnEvent->Param.Note.Velocity; |
290 |
break; |
break; |
291 |
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
292 |
eg2controllervalue = pEngine->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
eg2controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
293 |
break; |
break; |
294 |
} |
} |
295 |
if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
296 |
|
|
297 |
// calculate influence of EG2 controller on EG2's parameters (TODO: needs to be fine tuned) |
// calculate influence of EG2 controller on EG2's parameters |
298 |
double eg2attack = (pDimRgn->EG2ControllerAttackInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence) * eg2controllervalue : 0.0; |
double eg2attack = (pDimRgn->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence) * eg2controllervalue : 1.0; |
299 |
double eg2decay = (pDimRgn->EG2ControllerDecayInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence) * eg2controllervalue : 0.0; |
double eg2decay = (pDimRgn->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence) * eg2controllervalue : 1.0; |
300 |
double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 0.0; |
double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 1.0; |
301 |
|
|
302 |
pEG2->Trigger(pDimRgn->EG2PreAttack, |
pEG2->Trigger(pDimRgn->EG2PreAttack, |
303 |
pDimRgn->EG2Attack + eg2attack, |
pDimRgn->EG2Attack * eg2attack, |
304 |
false, |
false, |
305 |
pSample->LoopStart, |
pSample->LoopStart, |
306 |
pDimRgn->EG2Decay1 + eg2decay, |
pDimRgn->EG2Decay1 * eg2decay * velrelease, |
307 |
pDimRgn->EG2Decay2 + eg2decay, |
pDimRgn->EG2Decay2 * eg2decay * velrelease, |
308 |
pDimRgn->EG2InfiniteSustain, |
pDimRgn->EG2InfiniteSustain, |
309 |
pDimRgn->EG2Sustain, |
pDimRgn->EG2Sustain, |
310 |
pDimRgn->EG2Release + eg2release, |
pDimRgn->EG2Release * eg2release * velrelease, |
311 |
Delay); |
Delay, |
312 |
|
velocityAttenuation); |
313 |
} |
} |
314 |
|
|
315 |
|
|
327 |
case ::gig::lfo1_ctrl_internal: |
case ::gig::lfo1_ctrl_internal: |
328 |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
329 |
pLFO1->ExtController = 0; // no external controller |
pLFO1->ExtController = 0; // no external controller |
330 |
|
bLFO1Enabled = (lfo1_internal_depth > 0); |
331 |
break; |
break; |
332 |
case ::gig::lfo1_ctrl_modwheel: |
case ::gig::lfo1_ctrl_modwheel: |
333 |
lfo1_internal_depth = 0; |
lfo1_internal_depth = 0; |
334 |
pLFO1->ExtController = 1; // MIDI controller 1 |
pLFO1->ExtController = 1; // MIDI controller 1 |
335 |
|
bLFO1Enabled = (pDimRgn->LFO1ControlDepth > 0); |
336 |
break; |
break; |
337 |
case ::gig::lfo1_ctrl_breath: |
case ::gig::lfo1_ctrl_breath: |
338 |
lfo1_internal_depth = 0; |
lfo1_internal_depth = 0; |
339 |
pLFO1->ExtController = 2; // MIDI controller 2 |
pLFO1->ExtController = 2; // MIDI controller 2 |
340 |
|
bLFO1Enabled = (pDimRgn->LFO1ControlDepth > 0); |
341 |
break; |
break; |
342 |
case ::gig::lfo1_ctrl_internal_modwheel: |
case ::gig::lfo1_ctrl_internal_modwheel: |
343 |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
344 |
pLFO1->ExtController = 1; // MIDI controller 1 |
pLFO1->ExtController = 1; // MIDI controller 1 |
345 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0); |
346 |
break; |
break; |
347 |
case ::gig::lfo1_ctrl_internal_breath: |
case ::gig::lfo1_ctrl_internal_breath: |
348 |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
349 |
pLFO1->ExtController = 2; // MIDI controller 2 |
pLFO1->ExtController = 2; // MIDI controller 2 |
350 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0); |
351 |
break; |
break; |
352 |
default: |
default: |
353 |
lfo1_internal_depth = 0; |
lfo1_internal_depth = 0; |
354 |
pLFO1->ExtController = 0; // no external controller |
pLFO1->ExtController = 0; // no external controller |
355 |
|
bLFO1Enabled = false; |
356 |
} |
} |
357 |
pLFO1->Trigger(pDimRgn->LFO1Frequency, |
if (bLFO1Enabled) pLFO1->Trigger(pDimRgn->LFO1Frequency, |
358 |
lfo1_internal_depth, |
lfo1_internal_depth, |
359 |
pDimRgn->LFO1ControlDepth, |
pDimRgn->LFO1ControlDepth, |
360 |
pEngine->ControllerTable[pLFO1->ExtController], |
pEngineChannel->ControllerTable[pLFO1->ExtController], |
361 |
pDimRgn->LFO1FlipPhase, |
pDimRgn->LFO1FlipPhase, |
362 |
pEngine->SampleRate, |
pEngine->SampleRate, |
363 |
Delay); |
Delay); |
364 |
} |
} |
365 |
|
|
366 |
|
|
371 |
case ::gig::lfo2_ctrl_internal: |
case ::gig::lfo2_ctrl_internal: |
372 |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
373 |
pLFO2->ExtController = 0; // no external controller |
pLFO2->ExtController = 0; // no external controller |
374 |
|
bLFO2Enabled = (lfo2_internal_depth > 0); |
375 |
break; |
break; |
376 |
case ::gig::lfo2_ctrl_modwheel: |
case ::gig::lfo2_ctrl_modwheel: |
377 |
lfo2_internal_depth = 0; |
lfo2_internal_depth = 0; |
378 |
pLFO2->ExtController = 1; // MIDI controller 1 |
pLFO2->ExtController = 1; // MIDI controller 1 |
379 |
|
bLFO2Enabled = (pDimRgn->LFO2ControlDepth > 0); |
380 |
break; |
break; |
381 |
case ::gig::lfo2_ctrl_foot: |
case ::gig::lfo2_ctrl_foot: |
382 |
lfo2_internal_depth = 0; |
lfo2_internal_depth = 0; |
383 |
pLFO2->ExtController = 4; // MIDI controller 4 |
pLFO2->ExtController = 4; // MIDI controller 4 |
384 |
|
bLFO2Enabled = (pDimRgn->LFO2ControlDepth > 0); |
385 |
break; |
break; |
386 |
case ::gig::lfo2_ctrl_internal_modwheel: |
case ::gig::lfo2_ctrl_internal_modwheel: |
387 |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
388 |
pLFO2->ExtController = 1; // MIDI controller 1 |
pLFO2->ExtController = 1; // MIDI controller 1 |
389 |
|
bLFO2Enabled = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0); |
390 |
break; |
break; |
391 |
case ::gig::lfo2_ctrl_internal_foot: |
case ::gig::lfo2_ctrl_internal_foot: |
392 |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
393 |
pLFO2->ExtController = 4; // MIDI controller 4 |
pLFO2->ExtController = 4; // MIDI controller 4 |
394 |
|
bLFO2Enabled = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0); |
395 |
break; |
break; |
396 |
default: |
default: |
397 |
lfo2_internal_depth = 0; |
lfo2_internal_depth = 0; |
398 |
pLFO2->ExtController = 0; // no external controller |
pLFO2->ExtController = 0; // no external controller |
399 |
|
bLFO2Enabled = false; |
400 |
} |
} |
401 |
pLFO2->Trigger(pDimRgn->LFO2Frequency, |
if (bLFO2Enabled) pLFO2->Trigger(pDimRgn->LFO2Frequency, |
402 |
lfo2_internal_depth, |
lfo2_internal_depth, |
403 |
pDimRgn->LFO2ControlDepth, |
pDimRgn->LFO2ControlDepth, |
404 |
pEngine->ControllerTable[pLFO2->ExtController], |
pEngineChannel->ControllerTable[pLFO2->ExtController], |
405 |
pDimRgn->LFO2FlipPhase, |
pDimRgn->LFO2FlipPhase, |
406 |
pEngine->SampleRate, |
pEngine->SampleRate, |
407 |
Delay); |
Delay); |
408 |
} |
} |
409 |
|
|
410 |
|
|
415 |
case ::gig::lfo3_ctrl_internal: |
case ::gig::lfo3_ctrl_internal: |
416 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
417 |
pLFO3->ExtController = 0; // no external controller |
pLFO3->ExtController = 0; // no external controller |
418 |
|
bLFO3Enabled = (lfo3_internal_depth > 0); |
419 |
break; |
break; |
420 |
case ::gig::lfo3_ctrl_modwheel: |
case ::gig::lfo3_ctrl_modwheel: |
421 |
lfo3_internal_depth = 0; |
lfo3_internal_depth = 0; |
422 |
pLFO3->ExtController = 1; // MIDI controller 1 |
pLFO3->ExtController = 1; // MIDI controller 1 |
423 |
|
bLFO3Enabled = (pDimRgn->LFO3ControlDepth > 0); |
424 |
break; |
break; |
425 |
case ::gig::lfo3_ctrl_aftertouch: |
case ::gig::lfo3_ctrl_aftertouch: |
426 |
lfo3_internal_depth = 0; |
lfo3_internal_depth = 0; |
427 |
pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet |
pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet |
428 |
|
bLFO3Enabled = false; // see TODO comment in line above |
429 |
break; |
break; |
430 |
case ::gig::lfo3_ctrl_internal_modwheel: |
case ::gig::lfo3_ctrl_internal_modwheel: |
431 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
432 |
pLFO3->ExtController = 1; // MIDI controller 1 |
pLFO3->ExtController = 1; // MIDI controller 1 |
433 |
|
bLFO3Enabled = (lfo3_internal_depth > 0 || pDimRgn->LFO3ControlDepth > 0); |
434 |
break; |
break; |
435 |
case ::gig::lfo3_ctrl_internal_aftertouch: |
case ::gig::lfo3_ctrl_internal_aftertouch: |
436 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
437 |
pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet |
pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet |
438 |
|
bLFO3Enabled = (lfo3_internal_depth > 0 /*|| pDimRgn->LFO3ControlDepth > 0*/); // see TODO comment in line above |
439 |
break; |
break; |
440 |
default: |
default: |
441 |
lfo3_internal_depth = 0; |
lfo3_internal_depth = 0; |
442 |
pLFO3->ExtController = 0; // no external controller |
pLFO3->ExtController = 0; // no external controller |
443 |
|
bLFO3Enabled = false; |
444 |
} |
} |
445 |
pLFO3->Trigger(pDimRgn->LFO3Frequency, |
if (bLFO3Enabled) pLFO3->Trigger(pDimRgn->LFO3Frequency, |
446 |
lfo3_internal_depth, |
lfo3_internal_depth, |
447 |
pDimRgn->LFO3ControlDepth, |
pDimRgn->LFO3ControlDepth, |
448 |
pEngine->ControllerTable[pLFO3->ExtController], |
pEngineChannel->ControllerTable[pLFO3->ExtController], |
449 |
false, |
false, |
450 |
pEngine->SampleRate, |
pEngine->SampleRate, |
451 |
Delay); |
Delay); |
452 |
} |
} |
453 |
|
|
454 |
|
|
455 |
#if FORCE_FILTER_USAGE |
#if CONFIG_FORCE_FILTER |
456 |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, true); |
const bool bUseFilter = true; |
457 |
#else // use filter only if instrument file told so |
#else // use filter only if instrument file told so |
458 |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, pDimRgn->VCFEnabled); |
const bool bUseFilter = pDimRgn->VCFEnabled; |
459 |
#endif // FORCE_FILTER_USAGE |
#endif // CONFIG_FORCE_FILTER |
460 |
if (pDimRgn->VCFEnabled) { |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter); |
461 |
#ifdef OVERRIDE_FILTER_CUTOFF_CTRL |
if (bUseFilter) { |
462 |
VCFCutoffCtrl.controller = OVERRIDE_FILTER_CUTOFF_CTRL; |
#ifdef CONFIG_OVERRIDE_CUTOFF_CTRL |
463 |
|
VCFCutoffCtrl.controller = CONFIG_OVERRIDE_CUTOFF_CTRL; |
464 |
#else // use the one defined in the instrument file |
#else // use the one defined in the instrument file |
465 |
switch (pDimRgn->VCFCutoffController) { |
switch (pDimRgn->VCFCutoffController) { |
466 |
case ::gig::vcf_cutoff_ctrl_modwheel: |
case ::gig::vcf_cutoff_ctrl_modwheel: |
496 |
VCFCutoffCtrl.controller = 0; |
VCFCutoffCtrl.controller = 0; |
497 |
break; |
break; |
498 |
} |
} |
499 |
#endif // OVERRIDE_FILTER_CUTOFF_CTRL |
#endif // CONFIG_OVERRIDE_CUTOFF_CTRL |
500 |
|
|
501 |
#ifdef OVERRIDE_FILTER_RES_CTRL |
#ifdef CONFIG_OVERRIDE_RESONANCE_CTRL |
502 |
VCFResonanceCtrl.controller = OVERRIDE_FILTER_RES_CTRL; |
VCFResonanceCtrl.controller = CONFIG_OVERRIDE_RESONANCE_CTRL; |
503 |
#else // use the one defined in the instrument file |
#else // use the one defined in the instrument file |
504 |
switch (pDimRgn->VCFResonanceController) { |
switch (pDimRgn->VCFResonanceController) { |
505 |
case ::gig::vcf_res_ctrl_genpurpose3: |
case ::gig::vcf_res_ctrl_genpurpose3: |
518 |
default: |
default: |
519 |
VCFResonanceCtrl.controller = 0; |
VCFResonanceCtrl.controller = 0; |
520 |
} |
} |
521 |
#endif // OVERRIDE_FILTER_RES_CTRL |
#endif // CONFIG_OVERRIDE_RESONANCE_CTRL |
522 |
|
|
523 |
#ifndef OVERRIDE_FILTER_TYPE |
#ifndef CONFIG_OVERRIDE_FILTER_TYPE |
524 |
FilterLeft.SetType(pDimRgn->VCFType); |
FilterLeft.SetType(pDimRgn->VCFType); |
525 |
FilterRight.SetType(pDimRgn->VCFType); |
FilterRight.SetType(pDimRgn->VCFType); |
526 |
#else // override filter type |
#else // override filter type |
527 |
FilterLeft.SetType(OVERRIDE_FILTER_TYPE); |
FilterLeft.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
528 |
FilterRight.SetType(OVERRIDE_FILTER_TYPE); |
FilterRight.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
529 |
#endif // OVERRIDE_FILTER_TYPE |
#endif // CONFIG_OVERRIDE_FILTER_TYPE |
530 |
|
|
531 |
VCFCutoffCtrl.value = pEngine->ControllerTable[VCFCutoffCtrl.controller]; |
VCFCutoffCtrl.value = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller]; |
532 |
VCFResonanceCtrl.value = pEngine->ControllerTable[VCFResonanceCtrl.controller]; |
VCFResonanceCtrl.value = pEngineChannel->ControllerTable[VCFResonanceCtrl.controller]; |
533 |
|
|
534 |
// calculate cutoff frequency |
// calculate cutoff frequency |
535 |
float cutoff = (!VCFCutoffCtrl.controller) |
float cutoff = pDimRgn->GetVelocityCutoff(itNoteOnEvent->Param.Note.Velocity); |
536 |
? exp((float) (127 - itNoteOnEvent->Param.Note.Velocity) * (float) pDimRgn->VCFVelocityScale * 6.2E-5f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX |
if (pDimRgn->VCFKeyboardTracking) { |
537 |
: exp((float) VCFCutoffCtrl.value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX; |
cutoff *= exp((itNoteOnEvent->Param.Note.Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12) |
538 |
|
} |
539 |
|
CutoffBase = cutoff; |
540 |
|
|
541 |
|
int cvalue; |
542 |
|
if (VCFCutoffCtrl.controller) { |
543 |
|
cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller]; |
544 |
|
if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
545 |
|
if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale; |
546 |
|
} |
547 |
|
else { |
548 |
|
cvalue = pDimRgn->VCFCutoff; |
549 |
|
} |
550 |
|
cutoff *= float(cvalue) * 0.00787402f; // (1 / 127) |
551 |
|
if (cutoff > 1.0) cutoff = 1.0; |
552 |
|
cutoff = exp(cutoff * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MIN; |
553 |
|
|
554 |
// calculate resonance |
// calculate resonance |
555 |
float resonance = (float) VCFResonanceCtrl.value * 0.00787f; // 0.0..1.0 |
float resonance = (float) VCFResonanceCtrl.value * 0.00787f; // 0.0..1.0 |
558 |
} |
} |
559 |
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) |
560 |
|
|
561 |
VCFCutoffCtrl.fvalue = cutoff - FILTER_CUTOFF_MIN; |
VCFCutoffCtrl.fvalue = cutoff - CONFIG_FILTER_CUTOFF_MIN; |
562 |
VCFResonanceCtrl.fvalue = resonance; |
VCFResonanceCtrl.fvalue = resonance; |
563 |
|
|
564 |
FilterUpdateCounter = -1; |
FilterUpdateCounter = -1; |
591 |
|
|
592 |
// Reset the synthesis parameter matrix |
// Reset the synthesis parameter matrix |
593 |
|
|
594 |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngine->GlobalVolume); |
#if CONFIG_PROCESS_MUTED_CHANNELS |
595 |
|
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume)); |
596 |
|
#else |
597 |
|
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngineChannel->GlobalVolume); |
598 |
|
#endif |
599 |
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
600 |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
601 |
pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue); |
pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue); |
604 |
ProcessEvents(Samples); |
ProcessEvents(Samples); |
605 |
|
|
606 |
// 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 |
607 |
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); |
608 |
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); |
609 |
if (pEG3->Process(Samples)) { // if pitch EG is active |
if (pEG3->Process(Samples)) { // if pitch EG is active |
610 |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
611 |
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
612 |
} |
} |
613 |
pLFO1->Process(Samples); |
if (bLFO1Enabled) pLFO1->Process(Samples); |
614 |
pLFO2->Process(Samples); |
if (bLFO2Enabled) pLFO2->Process(Samples); |
615 |
if (pLFO3->Process(Samples)) { // if pitch LFO modulation is active |
if (bLFO3Enabled) { |
616 |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
if (pLFO3->Process(Samples)) { // if pitch LFO modulation is active |
617 |
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
618 |
|
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
619 |
|
} |
620 |
} |
} |
621 |
|
|
622 |
if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) |
if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) |
623 |
CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters |
CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters |
624 |
|
|
625 |
switch (this->PlaybackState) { |
switch (this->PlaybackState) { |
626 |
|
|
627 |
|
case playback_state_init: |
628 |
|
this->PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
629 |
|
// no break - continue with playback_state_ram |
630 |
|
|
631 |
case playback_state_ram: { |
case playback_state_ram: { |
632 |
if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping |
if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping |
633 |
|
|
658 |
} |
} |
659 |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos)); |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos)); |
660 |
Pos -= int(Pos); |
Pos -= int(Pos); |
661 |
|
RealSampleWordsLeftToRead = -1; // -1 means no silence has been added yet |
662 |
} |
} |
663 |
|
|
664 |
const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace(); |
const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace(); |
665 |
|
|
666 |
// 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) |
667 |
if (DiskStreamRef.State == Stream::state_end) { |
if (DiskStreamRef.State == Stream::state_end) { |
668 |
const int maxSampleWordsPerCycle = (pEngine->MaxSamplesPerCycle << MAX_PITCH) * pSample->Channels + 6; // +6 for the interpolator algorithm |
const int maxSampleWordsPerCycle = (pEngine->MaxSamplesPerCycle << CONFIG_MAX_PITCH) * pSample->Channels + 6; // +6 for the interpolator algorithm |
669 |
if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) { |
if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) { |
670 |
|
// remember how many sample words there are before any silence has been added |
671 |
|
if (RealSampleWordsLeftToRead < 0) RealSampleWordsLeftToRead = sampleWordsLeftToRead; |
672 |
DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead); |
DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead); |
673 |
} |
} |
674 |
} |
} |
684 |
Pos -= iPos; // just keep fractional part of Pos |
Pos -= iPos; // just keep fractional part of Pos |
685 |
|
|
686 |
// change state of voice to 'end' if we really reached the end of the sample data |
// change state of voice to 'end' if we really reached the end of the sample data |
687 |
if (DiskStreamRef.State == Stream::state_end && readSampleWords >= sampleWordsLeftToRead) this->PlaybackState = playback_state_end; |
if (RealSampleWordsLeftToRead >= 0) { |
688 |
|
RealSampleWordsLeftToRead -= readSampleWords; |
689 |
|
if (RealSampleWordsLeftToRead <= 0) this->PlaybackState = playback_state_end; |
690 |
|
} |
691 |
} |
} |
692 |
break; |
break; |
693 |
|
|
697 |
} |
} |
698 |
|
|
699 |
// 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) |
700 |
pEngine->pSynthesisEvents[Event::destination_vca]->clear(); |
pEngineChannel->pSynthesisEvents[Event::destination_vca]->clear(); |
701 |
pEngine->pSynthesisEvents[Event::destination_vcfc]->clear(); |
pEngineChannel->pSynthesisEvents[Event::destination_vcfc]->clear(); |
702 |
pEngine->pSynthesisEvents[Event::destination_vcfr]->clear(); |
pEngineChannel->pSynthesisEvents[Event::destination_vcfr]->clear(); |
703 |
|
|
704 |
// Reset delay |
// Reset delay |
705 |
Delay = 0; |
Delay = 0; |
739 |
void Voice::ProcessEvents(uint Samples) { |
void Voice::ProcessEvents(uint Samples) { |
740 |
|
|
741 |
// dispatch control change events |
// dispatch control change events |
742 |
RTList<Event>::Iterator itCCEvent = pEngine->pCCEvents->first(); |
RTList<Event>::Iterator itCCEvent = pEngineChannel->pCCEvents->first(); |
743 |
if (Delay) { // skip events that happened before this voice was triggered |
if (Delay) { // skip events that happened before this voice was triggered |
744 |
while (itCCEvent && itCCEvent->FragmentPos() <= Delay) ++itCCEvent; |
while (itCCEvent && itCCEvent->FragmentPos() <= Delay) ++itCCEvent; |
745 |
} |
} |
746 |
while (itCCEvent) { |
while (itCCEvent) { |
747 |
if (itCCEvent->Param.CC.Controller) { // if valid MIDI controller |
if (itCCEvent->Param.CC.Controller) { // if valid MIDI controller |
748 |
if (itCCEvent->Param.CC.Controller == VCFCutoffCtrl.controller) { |
if (itCCEvent->Param.CC.Controller == VCFCutoffCtrl.controller) { |
749 |
*pEngine->pSynthesisEvents[Event::destination_vcfc]->allocAppend() = *itCCEvent; |
*pEngineChannel->pSynthesisEvents[Event::destination_vcfc]->allocAppend() = *itCCEvent; |
750 |
} |
} |
751 |
if (itCCEvent->Param.CC.Controller == VCFResonanceCtrl.controller) { |
if (itCCEvent->Param.CC.Controller == VCFResonanceCtrl.controller) { |
752 |
*pEngine->pSynthesisEvents[Event::destination_vcfr]->allocAppend() = *itCCEvent; |
*pEngineChannel->pSynthesisEvents[Event::destination_vcfr]->allocAppend() = *itCCEvent; |
753 |
} |
} |
754 |
if (itCCEvent->Param.CC.Controller == pLFO1->ExtController) { |
if (itCCEvent->Param.CC.Controller == pLFO1->ExtController) { |
755 |
pLFO1->SendEvent(itCCEvent); |
pLFO1->SendEvent(itCCEvent); |
762 |
} |
} |
763 |
if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
764 |
itCCEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) { // if crossfade event |
itCCEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) { // if crossfade event |
765 |
*pEngine->pSynthesisEvents[Event::destination_vca]->allocAppend() = *itCCEvent; |
*pEngineChannel->pSynthesisEvents[Event::destination_vca]->allocAppend() = *itCCEvent; |
766 |
} |
} |
767 |
} |
} |
768 |
|
|
772 |
|
|
773 |
// process pitch events |
// process pitch events |
774 |
{ |
{ |
775 |
RTList<Event>* pVCOEventList = pEngine->pSynthesisEvents[Event::destination_vco]; |
RTList<Event>* pVCOEventList = pEngineChannel->pSynthesisEvents[Event::destination_vco]; |
776 |
RTList<Event>::Iterator itVCOEvent = pVCOEventList->first(); |
RTList<Event>::Iterator itVCOEvent = pVCOEventList->first(); |
777 |
if (Delay) { // skip events that happened before this voice was triggered |
if (Delay) { // skip events that happened before this voice was triggered |
778 |
while (itVCOEvent && itVCOEvent->FragmentPos() <= Delay) ++itVCOEvent; |
while (itVCOEvent && itVCOEvent->FragmentPos() <= Delay) ++itVCOEvent; |
810 |
|
|
811 |
// process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !) |
// process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !) |
812 |
{ |
{ |
813 |
RTList<Event>* pVCAEventList = pEngine->pSynthesisEvents[Event::destination_vca]; |
RTList<Event>* pVCAEventList = pEngineChannel->pSynthesisEvents[Event::destination_vca]; |
814 |
RTList<Event>::Iterator itVCAEvent = pVCAEventList->first(); |
RTList<Event>::Iterator itVCAEvent = pVCAEventList->first(); |
815 |
if (Delay) { // skip events that happened before this voice was triggered |
if (Delay) { // skip events that happened before this voice was triggered |
816 |
while (itVCAEvent && itVCAEvent->FragmentPos() <= Delay) ++itVCAEvent; |
while (itVCAEvent && itVCAEvent->FragmentPos() <= Delay) ++itVCAEvent; |
825 |
|
|
826 |
crossfadevolume = CrossfadeAttenuation(itVCAEvent->Param.CC.Value); |
crossfadevolume = CrossfadeAttenuation(itVCAEvent->Param.CC.Value); |
827 |
|
|
828 |
float effective_volume = crossfadevolume * this->Volume * pEngine->GlobalVolume; |
#if CONFIG_PROCESS_MUTED_CHANNELS |
829 |
|
float effective_volume = crossfadevolume * this->Volume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume); |
830 |
|
#else |
831 |
|
float effective_volume = crossfadevolume * this->Volume * pEngineChannel->GlobalVolume; |
832 |
|
#endif |
833 |
|
|
834 |
// apply volume value to the volume parameter sequence |
// apply volume value to the volume parameter sequence |
835 |
for (uint i = itVCAEvent->FragmentPos(); i < end; i++) { |
for (uint i = itVCAEvent->FragmentPos(); i < end; i++) { |
843 |
|
|
844 |
// process filter cutoff events |
// process filter cutoff events |
845 |
{ |
{ |
846 |
RTList<Event>* pCutoffEventList = pEngine->pSynthesisEvents[Event::destination_vcfc]; |
RTList<Event>* pCutoffEventList = pEngineChannel->pSynthesisEvents[Event::destination_vcfc]; |
847 |
RTList<Event>::Iterator itCutoffEvent = pCutoffEventList->first(); |
RTList<Event>::Iterator itCutoffEvent = pCutoffEventList->first(); |
848 |
if (Delay) { // skip events that happened before this voice was triggered |
if (Delay) { // skip events that happened before this voice was triggered |
849 |
while (itCutoffEvent && itCutoffEvent->FragmentPos() <= Delay) ++itCutoffEvent; |
while (itCutoffEvent && itCutoffEvent->FragmentPos() <= Delay) ++itCutoffEvent; |
856 |
// calculate the influence length of this event (in sample points) |
// calculate the influence length of this event (in sample points) |
857 |
uint end = (itNextCutoffEvent) ? itNextCutoffEvent->FragmentPos() : Samples; |
uint end = (itNextCutoffEvent) ? itNextCutoffEvent->FragmentPos() : Samples; |
858 |
|
|
859 |
cutoff = exp((float) itCutoffEvent->Param.CC.Value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX - FILTER_CUTOFF_MIN; |
int cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller]; |
860 |
|
if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
861 |
|
if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale; |
862 |
|
cutoff = CutoffBase * float(cvalue) * 0.00787402f; // (1 / 127) |
863 |
|
if (cutoff > 1.0) cutoff = 1.0; |
864 |
|
cutoff = exp(cutoff * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MIN - CONFIG_FILTER_CUTOFF_MIN; |
865 |
|
|
866 |
// apply cutoff frequency to the cutoff parameter sequence |
// apply cutoff frequency to the cutoff parameter sequence |
867 |
for (uint i = itCutoffEvent->FragmentPos(); i < end; i++) { |
for (uint i = itCutoffEvent->FragmentPos(); i < end; i++) { |
875 |
|
|
876 |
// process filter resonance events |
// process filter resonance events |
877 |
{ |
{ |
878 |
RTList<Event>* pResonanceEventList = pEngine->pSynthesisEvents[Event::destination_vcfr]; |
RTList<Event>* pResonanceEventList = pEngineChannel->pSynthesisEvents[Event::destination_vcfr]; |
879 |
RTList<Event>::Iterator itResonanceEvent = pResonanceEventList->first(); |
RTList<Event>::Iterator itResonanceEvent = pResonanceEventList->first(); |
880 |
if (Delay) { // skip events that happened before this voice was triggered |
if (Delay) { // skip events that happened before this voice was triggered |
881 |
while (itResonanceEvent && itResonanceEvent->FragmentPos() <= Delay) ++itResonanceEvent; |
while (itResonanceEvent && itResonanceEvent->FragmentPos() <= Delay) ++itResonanceEvent; |
914 |
biquad_param_t bqmain; |
biquad_param_t bqmain; |
915 |
float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0]; |
float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0]; |
916 |
float prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][0]; |
float prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][0]; |
917 |
FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
FilterLeft.SetParameters( &bqbase, &bqmain, prev_cutoff + CONFIG_FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate); |
918 |
FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff + CONFIG_FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate); |
919 |
pEngine->pBasicFilterParameters[0] = bqbase; |
pEngine->pBasicFilterParameters[0] = bqbase; |
920 |
pEngine->pMainFilterParameters[0] = bqmain; |
pEngine->pMainFilterParameters[0] = bqmain; |
921 |
|
|
928 |
{ |
{ |
929 |
prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i]; |
prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i]; |
930 |
prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][i]; |
prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][i]; |
931 |
FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
FilterLeft.SetParameters( &bqbase, &bqmain, prev_cutoff + CONFIG_FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate); |
932 |
FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff + CONFIG_FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate); |
933 |
} |
} |
934 |
} |
} |
935 |
|
|
959 |
* @param pSrc - pointer to input sample data |
* @param pSrc - pointer to input sample data |
960 |
* @param Skip - number of sample points to skip in output buffer |
* @param Skip - number of sample points to skip in output buffer |
961 |
*/ |
*/ |
962 |
void Voice::Synthesize(uint Samples, sample_t* pSrc, int Skip) { |
void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) { |
963 |
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); |
|
964 |
} |
} |
965 |
|
|
966 |
/** |
/** |
988 |
* @param itKillEvent - event which caused the voice to be killed |
* @param itKillEvent - event which caused the voice to be killed |
989 |
*/ |
*/ |
990 |
void Voice::Kill(Pool<Event>::Iterator& itKillEvent) { |
void Voice::Kill(Pool<Event>::Iterator& itKillEvent) { |
991 |
//FIXME: just two sanity checks for debugging, can be removed |
#if CONFIG_DEVMODE |
992 |
if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n")); |
if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n")); |
993 |
if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n")); |
if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n")); |
994 |
|
#endif // CONFIG_DEVMODE |
995 |
|
|
996 |
if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return; |
if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return; |
997 |
this->itKillEvent = itKillEvent; |
this->itKillEvent = itKillEvent; |