27 |
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28 |
namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
29 |
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// FIXME: no support for layers (nor crossfades) yet |
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30 |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
31 |
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32 |
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const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask()); |
33 |
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34 |
float Voice::CalculateFilterCutoffCoeff() { |
float Voice::CalculateFilterCutoffCoeff() { |
35 |
return log(FILTER_CUTOFF_MIN / FILTER_CUTOFF_MAX); |
return log(FILTER_CUTOFF_MIN / FILTER_CUTOFF_MAX); |
36 |
} |
} |
37 |
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38 |
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int Voice::CalculateFilterUpdateMask() { |
39 |
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if (FILTER_UPDATE_PERIOD <= 0) return 0; |
40 |
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int power_of_two; |
41 |
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for (power_of_two = 0; 1<<power_of_two < FILTER_UPDATE_PERIOD; power_of_two++); |
42 |
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return (1 << power_of_two) - 1; |
43 |
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} |
44 |
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45 |
Voice::Voice() { |
Voice::Voice() { |
46 |
pEngine = NULL; |
pEngine = NULL; |
47 |
pDiskThread = NULL; |
pDiskThread = NULL; |
55 |
pLFO1 = NULL; |
pLFO1 = NULL; |
56 |
pLFO2 = NULL; |
pLFO2 = NULL; |
57 |
pLFO3 = NULL; |
pLFO3 = NULL; |
58 |
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KeyGroup = 0; |
59 |
} |
} |
60 |
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61 |
Voice::~Voice() { |
Voice::~Voice() { |
70 |
if (pVCOManipulator) delete pVCOManipulator; |
if (pVCOManipulator) delete pVCOManipulator; |
71 |
} |
} |
72 |
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void Voice::SetOutput(AudioOutputDevice* pAudioOutputDevice) { |
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this->pOutputLeft = pAudioOutputDevice->Channel(0)->Buffer(); |
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this->pOutputRight = pAudioOutputDevice->Channel(1)->Buffer(); |
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this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
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this->SampleRate = pAudioOutputDevice->SampleRate(); |
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} |
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73 |
void Voice::SetEngine(Engine* pEngine) { |
void Voice::SetEngine(Engine* pEngine) { |
74 |
this->pEngine = pEngine; |
this->pEngine = pEngine; |
75 |
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|
103 |
* Initializes and triggers the voice, a disk stream will be launched if |
* Initializes and triggers the voice, a disk stream will be launched if |
104 |
* needed. |
* needed. |
105 |
* |
* |
106 |
* @param pNoteOnEvent - event that caused triggering of this voice |
* @param pNoteOnEvent - event that caused triggering of this voice |
107 |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
108 |
* @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 |
109 |
* @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) |
110 |
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* @param ReleaseTriggerVoice - if this new voice is a release trigger voice (optional, default = false) |
111 |
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* @returns 0 on success, a value < 0 if something failed |
112 |
*/ |
*/ |
113 |
int Voice::Trigger(Event* pNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument) { |
int Voice::Trigger(Event* pNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice) { |
114 |
if (!pInstrument) { |
if (!pInstrument) { |
115 |
dmsg(1,("voice::trigger: !pInstrument\n")); |
dmsg(1,("voice::trigger: !pInstrument\n")); |
116 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
117 |
} |
} |
118 |
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119 |
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Type = type_normal; |
120 |
Active = true; |
Active = true; |
121 |
MIDIKey = pNoteOnEvent->Key; |
MIDIKey = pNoteOnEvent->Key; |
122 |
pRegion = pInstrument->GetRegion(MIDIKey); |
pRegion = pInstrument->GetRegion(MIDIKey); |
123 |
PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
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Pos = 0; |
|
124 |
Delay = pNoteOnEvent->FragmentPos(); |
Delay = pNoteOnEvent->FragmentPos(); |
125 |
pTriggerEvent = pNoteOnEvent; |
pTriggerEvent = pNoteOnEvent; |
126 |
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pKillEvent = NULL; |
127 |
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128 |
if (!pRegion) { |
if (!pRegion) { |
129 |
std::cerr << "Audio Thread: No Region defined for MIDI key " << MIDIKey << std::endl << std::flush; |
std::cerr << "gig::Voice: No Region defined for MIDI key " << MIDIKey << std::endl << std::flush; |
130 |
Kill(); |
KillImmediately(); |
131 |
return -1; |
return -1; |
132 |
} |
} |
133 |
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134 |
//TODO: current MIDI controller values are not taken into account yet |
KeyGroup = pRegion->KeyGroup; |
135 |
::gig::DimensionRegion* pDimRgn = NULL; |
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136 |
for (int i = pRegion->Dimensions - 1; i >= 0; i--) { // Check if instrument has a velocity split |
// get current dimension values to select the right dimension region |
137 |
if (pRegion->pDimensionDefinitions[i].dimension == ::gig::dimension_velocity) { |
//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
138 |
uint DimValues[5] = {0,0,0,0,0}; |
uint DimValues[5] = {0,0,0,0,0}; |
139 |
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for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
140 |
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switch (pRegion->pDimensionDefinitions[i].dimension) { |
141 |
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case ::gig::dimension_samplechannel: |
142 |
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DimValues[i] = 0; //TODO: we currently ignore this dimension |
143 |
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break; |
144 |
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case ::gig::dimension_layer: |
145 |
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DimValues[i] = iLayer; |
146 |
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// if this is the 1st layer then spawn further voices for all the other layers |
147 |
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if (iLayer == 0) |
148 |
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for (int iNewLayer = 1; iNewLayer < pRegion->pDimensionDefinitions[i].zones; iNewLayer++) |
149 |
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pEngine->LaunchVoice(pNoteOnEvent, iNewLayer, ReleaseTriggerVoice); |
150 |
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break; |
151 |
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case ::gig::dimension_velocity: |
152 |
DimValues[i] = pNoteOnEvent->Velocity; |
DimValues[i] = pNoteOnEvent->Velocity; |
153 |
pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]); |
break; |
154 |
break; |
case ::gig::dimension_channelaftertouch: |
155 |
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DimValues[i] = 0; //TODO: we currently ignore this dimension |
156 |
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break; |
157 |
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case ::gig::dimension_releasetrigger: |
158 |
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Type = (ReleaseTriggerVoice) ? type_release_trigger : (!iLayer) ? type_release_trigger_required : type_normal; |
159 |
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DimValues[i] = (uint) ReleaseTriggerVoice; |
160 |
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break; |
161 |
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case ::gig::dimension_keyboard: |
162 |
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DimValues[i] = (uint) pNoteOnEvent->Key; |
163 |
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break; |
164 |
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case ::gig::dimension_modwheel: |
165 |
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DimValues[i] = pEngine->ControllerTable[1]; |
166 |
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break; |
167 |
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case ::gig::dimension_breath: |
168 |
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DimValues[i] = pEngine->ControllerTable[2]; |
169 |
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break; |
170 |
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case ::gig::dimension_foot: |
171 |
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DimValues[i] = pEngine->ControllerTable[4]; |
172 |
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break; |
173 |
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case ::gig::dimension_portamentotime: |
174 |
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DimValues[i] = pEngine->ControllerTable[5]; |
175 |
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break; |
176 |
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case ::gig::dimension_effect1: |
177 |
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DimValues[i] = pEngine->ControllerTable[12]; |
178 |
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break; |
179 |
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case ::gig::dimension_effect2: |
180 |
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DimValues[i] = pEngine->ControllerTable[13]; |
181 |
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break; |
182 |
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case ::gig::dimension_genpurpose1: |
183 |
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DimValues[i] = pEngine->ControllerTable[16]; |
184 |
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break; |
185 |
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case ::gig::dimension_genpurpose2: |
186 |
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DimValues[i] = pEngine->ControllerTable[17]; |
187 |
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break; |
188 |
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case ::gig::dimension_genpurpose3: |
189 |
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DimValues[i] = pEngine->ControllerTable[18]; |
190 |
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break; |
191 |
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case ::gig::dimension_genpurpose4: |
192 |
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DimValues[i] = pEngine->ControllerTable[19]; |
193 |
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break; |
194 |
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case ::gig::dimension_sustainpedal: |
195 |
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DimValues[i] = pEngine->ControllerTable[64]; |
196 |
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break; |
197 |
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case ::gig::dimension_portamento: |
198 |
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DimValues[i] = pEngine->ControllerTable[65]; |
199 |
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break; |
200 |
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case ::gig::dimension_sostenutopedal: |
201 |
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DimValues[i] = pEngine->ControllerTable[66]; |
202 |
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break; |
203 |
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case ::gig::dimension_softpedal: |
204 |
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DimValues[i] = pEngine->ControllerTable[67]; |
205 |
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break; |
206 |
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case ::gig::dimension_genpurpose5: |
207 |
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DimValues[i] = pEngine->ControllerTable[80]; |
208 |
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break; |
209 |
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case ::gig::dimension_genpurpose6: |
210 |
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DimValues[i] = pEngine->ControllerTable[81]; |
211 |
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break; |
212 |
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case ::gig::dimension_genpurpose7: |
213 |
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DimValues[i] = pEngine->ControllerTable[82]; |
214 |
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break; |
215 |
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case ::gig::dimension_genpurpose8: |
216 |
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DimValues[i] = pEngine->ControllerTable[83]; |
217 |
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break; |
218 |
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case ::gig::dimension_effect1depth: |
219 |
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DimValues[i] = pEngine->ControllerTable[91]; |
220 |
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break; |
221 |
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case ::gig::dimension_effect2depth: |
222 |
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DimValues[i] = pEngine->ControllerTable[92]; |
223 |
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break; |
224 |
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case ::gig::dimension_effect3depth: |
225 |
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DimValues[i] = pEngine->ControllerTable[93]; |
226 |
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break; |
227 |
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case ::gig::dimension_effect4depth: |
228 |
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DimValues[i] = pEngine->ControllerTable[94]; |
229 |
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break; |
230 |
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case ::gig::dimension_effect5depth: |
231 |
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DimValues[i] = pEngine->ControllerTable[95]; |
232 |
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break; |
233 |
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case ::gig::dimension_none: |
234 |
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std::cerr << "gig::Voice::Trigger() Error: dimension=none\n" << std::flush; |
235 |
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break; |
236 |
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default: |
237 |
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std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush; |
238 |
} |
} |
239 |
} |
} |
240 |
if (!pDimRgn) { // if there was no velocity split |
pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]); |
241 |
pDimRgn = pRegion->GetDimensionRegionByValue(0,0,0,0,0); |
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242 |
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// get starting crossfade volume level |
243 |
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switch (pDimRgn->AttenuationController.type) { |
244 |
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case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
245 |
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CrossfadeVolume = 1.0f; //TODO: aftertouch not supported yet |
246 |
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break; |
247 |
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case ::gig::attenuation_ctrl_t::type_velocity: |
248 |
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CrossfadeVolume = CrossfadeAttenuation(pNoteOnEvent->Velocity); |
249 |
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break; |
250 |
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case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
251 |
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CrossfadeVolume = CrossfadeAttenuation(pEngine->ControllerTable[pDimRgn->AttenuationController.controller_number]); |
252 |
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break; |
253 |
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case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
254 |
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default: |
255 |
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CrossfadeVolume = 1.0f; |
256 |
} |
} |
257 |
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258 |
pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
259 |
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260 |
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Pos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points) |
261 |
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262 |
// 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 |
263 |
long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
264 |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
265 |
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|
266 |
if (DiskVoice) { // voice to be streamed from disk |
if (DiskVoice) { // voice to be streamed from disk |
267 |
MaxRAMPos = cachedsamples - (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 << 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) |
268 |
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|
269 |
// 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 |
270 |
if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) { |
if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) { |
275 |
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276 |
if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
277 |
dmsg(1,("Disk stream order failed!\n")); |
dmsg(1,("Disk stream order failed!\n")); |
278 |
Kill(); |
KillImmediately(); |
279 |
return -1; |
return -1; |
280 |
} |
} |
281 |
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")); |
295 |
{ |
{ |
296 |
double pitchbasecents = pDimRgn->FineTune * 10; |
double pitchbasecents = pDimRgn->FineTune * 10; |
297 |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
298 |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents); |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate())); |
299 |
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 |
300 |
} |
} |
301 |
|
|
421 |
pDimRgn->LFO1ControlDepth, |
pDimRgn->LFO1ControlDepth, |
422 |
pEngine->ControllerTable[pLFO1->ExtController], |
pEngine->ControllerTable[pLFO1->ExtController], |
423 |
pDimRgn->LFO1FlipPhase, |
pDimRgn->LFO1FlipPhase, |
424 |
this->SampleRate, |
pEngine->SampleRate, |
425 |
Delay); |
Delay); |
426 |
} |
} |
427 |
|
|
459 |
pDimRgn->LFO2ControlDepth, |
pDimRgn->LFO2ControlDepth, |
460 |
pEngine->ControllerTable[pLFO2->ExtController], |
pEngine->ControllerTable[pLFO2->ExtController], |
461 |
pDimRgn->LFO2FlipPhase, |
pDimRgn->LFO2FlipPhase, |
462 |
|
pEngine->SampleRate, |
463 |
Delay); |
Delay); |
464 |
} |
} |
465 |
#endif // ENABLE_FILTER |
#endif // ENABLE_FILTER |
497 |
pDimRgn->LFO3ControlDepth, |
pDimRgn->LFO3ControlDepth, |
498 |
pEngine->ControllerTable[pLFO3->ExtController], |
pEngine->ControllerTable[pLFO3->ExtController], |
499 |
false, |
false, |
500 |
this->SampleRate, |
pEngine->SampleRate, |
501 |
Delay); |
Delay); |
502 |
} |
} |
503 |
|
|
595 |
VCFCutoffCtrl.fvalue = cutoff - FILTER_CUTOFF_MIN; |
VCFCutoffCtrl.fvalue = cutoff - FILTER_CUTOFF_MIN; |
596 |
VCFResonanceCtrl.fvalue = resonance; |
VCFResonanceCtrl.fvalue = resonance; |
597 |
|
|
598 |
FilterLeft.SetParameters(cutoff, resonance, SampleRate); |
FilterLeft.SetParameters(cutoff, resonance, pEngine->SampleRate); |
599 |
FilterRight.SetParameters(cutoff, resonance, SampleRate); |
FilterRight.SetParameters(cutoff, resonance, pEngine->SampleRate); |
600 |
|
|
601 |
FilterUpdateCounter = -1; |
FilterUpdateCounter = -1; |
602 |
} |
} |
606 |
} |
} |
607 |
#endif // ENABLE_FILTER |
#endif // ENABLE_FILTER |
608 |
|
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// ************************************************ |
|
|
// TODO: ARTICULATION DATA HANDLING IS MISSING HERE |
|
|
// ************************************************ |
|
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|
609 |
return 0; // success |
return 0; // success |
610 |
} |
} |
611 |
|
|
623 |
void Voice::Render(uint Samples) { |
void Voice::Render(uint Samples) { |
624 |
|
|
625 |
// Reset the synthesis parameter matrix |
// Reset the synthesis parameter matrix |
626 |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume); |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngine->GlobalVolume); |
627 |
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
628 |
#if ENABLE_FILTER |
#if ENABLE_FILTER |
629 |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
636 |
|
|
637 |
|
|
638 |
// 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 |
639 |
pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend, pKillEvent); |
640 |
#if ENABLE_FILTER |
#if ENABLE_FILTER |
641 |
pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
642 |
#endif // ENABLE_FILTER |
#endif // ENABLE_FILTER |
648 |
pLFO3->Process(Samples); |
pLFO3->Process(Samples); |
649 |
|
|
650 |
|
|
651 |
|
#if ENABLE_FILTER |
652 |
|
CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters |
653 |
|
#endif // ENABLE_FILTER |
654 |
|
|
655 |
|
|
656 |
switch (this->PlaybackState) { |
switch (this->PlaybackState) { |
657 |
|
|
658 |
case playback_state_ram: { |
case playback_state_ram: { |
677 |
DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID); |
DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID); |
678 |
if (!DiskStreamRef.pStream) { |
if (!DiskStreamRef.pStream) { |
679 |
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; |
680 |
Kill(); |
KillImmediately(); |
681 |
return; |
return; |
682 |
} |
} |
683 |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (RTMath::DoubleToInt(Pos) - MaxRAMPos)); |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (RTMath::DoubleToInt(Pos) - MaxRAMPos)); |
685 |
} |
} |
686 |
|
|
687 |
// 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) |
688 |
if (DiskStreamRef.State == Stream::state_end && DiskStreamRef.pStream->GetReadSpace() < (MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels) { |
if (DiskStreamRef.State == Stream::state_end && DiskStreamRef.pStream->GetReadSpace() < (pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels) { |
689 |
DiskStreamRef.pStream->WriteSilence((MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels); |
DiskStreamRef.pStream->WriteSilence((pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels); |
690 |
this->PlaybackState = playback_state_end; |
this->PlaybackState = playback_state_end; |
691 |
} |
} |
692 |
|
|
698 |
break; |
break; |
699 |
|
|
700 |
case playback_state_end: |
case playback_state_end: |
701 |
Kill(); // free voice |
KillImmediately(); // free voice |
702 |
break; |
break; |
703 |
} |
} |
704 |
|
|
705 |
|
|
|
#if ENABLE_FILTER |
|
706 |
// 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) |
707 |
|
pEngine->pSynthesisEvents[Event::destination_vca]->clear(); |
708 |
|
#if ENABLE_FILTER |
709 |
pEngine->pSynthesisEvents[Event::destination_vcfc]->clear(); |
pEngine->pSynthesisEvents[Event::destination_vcfc]->clear(); |
710 |
pEngine->pSynthesisEvents[Event::destination_vcfr]->clear(); |
pEngine->pSynthesisEvents[Event::destination_vcfr]->clear(); |
711 |
#endif // ENABLE_FILTER |
#endif // ENABLE_FILTER |
769 |
if (pCCEvent->Controller == pLFO3->ExtController) { |
if (pCCEvent->Controller == pLFO3->ExtController) { |
770 |
pLFO3->SendEvent(pCCEvent); |
pLFO3->SendEvent(pCCEvent); |
771 |
} |
} |
772 |
|
if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
773 |
|
pCCEvent->Controller == pDimRgn->AttenuationController.controller_number) { // if crossfade event |
774 |
|
pEngine->pSynthesisEvents[Event::destination_vca]->alloc_assign(*pCCEvent); |
775 |
|
} |
776 |
} |
} |
777 |
|
|
778 |
pCCEvent = pEngine->pCCEvents->next(); |
pCCEvent = pEngine->pCCEvents->next(); |
812 |
if (pVCOEventList->last()) this->PitchBend = pitch; |
if (pVCOEventList->last()) this->PitchBend = pitch; |
813 |
} |
} |
814 |
|
|
815 |
|
// process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !) |
816 |
|
{ |
817 |
|
RTEList<Event>* pVCAEventList = pEngine->pSynthesisEvents[Event::destination_vca]; |
818 |
|
Event* pVCAEvent = pVCAEventList->first(); |
819 |
|
if (Delay) { // skip events that happened before this voice was triggered |
820 |
|
while (pVCAEvent && pVCAEvent->FragmentPos() <= Delay) pVCAEvent = pVCAEventList->next(); |
821 |
|
} |
822 |
|
float crossfadevolume; |
823 |
|
while (pVCAEvent) { |
824 |
|
Event* pNextVCAEvent = pVCAEventList->next(); |
825 |
|
|
826 |
|
// calculate the influence length of this event (in sample points) |
827 |
|
uint end = (pNextVCAEvent) ? pNextVCAEvent->FragmentPos() : Samples; |
828 |
|
|
829 |
|
crossfadevolume = CrossfadeAttenuation(pVCAEvent->Value); |
830 |
|
|
831 |
|
float effective_volume = crossfadevolume * this->Volume * pEngine->GlobalVolume; |
832 |
|
|
833 |
|
// apply volume value to the volume parameter sequence |
834 |
|
for (uint i = pVCAEvent->FragmentPos(); i < end; i++) { |
835 |
|
pEngine->pSynthesisParameters[Event::destination_vca][i] = effective_volume; |
836 |
|
} |
837 |
|
|
838 |
|
pVCAEvent = pNextVCAEvent; |
839 |
|
} |
840 |
|
if (pVCAEventList->last()) this->CrossfadeVolume = crossfadevolume; |
841 |
|
} |
842 |
|
|
843 |
#if ENABLE_FILTER |
#if ENABLE_FILTER |
844 |
// process filter cutoff events |
// process filter cutoff events |
898 |
#endif // ENABLE_FILTER |
#endif // ENABLE_FILTER |
899 |
} |
} |
900 |
|
|
901 |
|
#if ENABLE_FILTER |
902 |
|
/** |
903 |
|
* Calculate all necessary, final biquad filter parameters. |
904 |
|
* |
905 |
|
* @param Samples - number of samples to be rendered in this audio fragment cycle |
906 |
|
*/ |
907 |
|
void Voice::CalculateBiquadParameters(uint Samples) { |
908 |
|
if (!FilterLeft.Enabled) return; |
909 |
|
|
910 |
|
biquad_param_t bqbase; |
911 |
|
biquad_param_t bqmain; |
912 |
|
float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0]; |
913 |
|
float prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][0]; |
914 |
|
FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
915 |
|
pEngine->pBasicFilterParameters[0] = bqbase; |
916 |
|
pEngine->pMainFilterParameters[0] = bqmain; |
917 |
|
|
918 |
|
float* bq; |
919 |
|
for (int i = 1; i < Samples; i++) { |
920 |
|
// recalculate biquad parameters if cutoff or resonance differ from previous sample point |
921 |
|
if (!(i & FILTER_UPDATE_MASK)) if (pEngine->pSynthesisParameters[Event::destination_vcfr][i] != prev_res || |
922 |
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i] != prev_cutoff) { |
923 |
|
prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i]; |
924 |
|
prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][i]; |
925 |
|
FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
926 |
|
} |
927 |
|
|
928 |
|
//same as 'pEngine->pBasicFilterParameters[i] = bqbase;' |
929 |
|
bq = (float*) &pEngine->pBasicFilterParameters[i]; |
930 |
|
bq[0] = bqbase.a1; |
931 |
|
bq[1] = bqbase.a2; |
932 |
|
bq[2] = bqbase.b0; |
933 |
|
bq[3] = bqbase.b1; |
934 |
|
bq[4] = bqbase.b2; |
935 |
|
|
936 |
|
// same as 'pEngine->pMainFilterParameters[i] = bqmain;' |
937 |
|
bq = (float*) &pEngine->pMainFilterParameters[i]; |
938 |
|
bq[0] = bqmain.a1; |
939 |
|
bq[1] = bqmain.a2; |
940 |
|
bq[2] = bqmain.b0; |
941 |
|
bq[3] = bqmain.b1; |
942 |
|
bq[4] = bqmain.b2; |
943 |
|
} |
944 |
|
} |
945 |
|
#endif // ENABLE_FILTER |
946 |
|
|
947 |
/** |
/** |
948 |
* Interpolates the input audio data (no loop). |
* Interpolates the input audio data (no loop). |
949 |
* |
* |
961 |
InterpolateOneStep_Stereo(pSrc, i, |
InterpolateOneStep_Stereo(pSrc, i, |
962 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
963 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
964 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
pEngine->pBasicFilterParameters[i], |
965 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
pEngine->pMainFilterParameters[i]); |
966 |
} |
} |
967 |
} |
} |
968 |
else { // Mono Sample |
else { // Mono Sample |
970 |
InterpolateOneStep_Mono(pSrc, i, |
InterpolateOneStep_Mono(pSrc, i, |
971 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
972 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
973 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
pEngine->pBasicFilterParameters[i], |
974 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
pEngine->pMainFilterParameters[i]); |
975 |
} |
} |
976 |
} |
} |
977 |
} |
} |
995 |
InterpolateOneStep_Stereo(pSrc, i, |
InterpolateOneStep_Stereo(pSrc, i, |
996 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
997 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
998 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
pEngine->pBasicFilterParameters[i], |
999 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
pEngine->pMainFilterParameters[i]); |
1000 |
if (Pos > pSample->LoopEnd) { |
if (Pos > pSample->LoopEnd) { |
1001 |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
1002 |
LoopCyclesLeft--; |
LoopCyclesLeft--; |
1007 |
InterpolateOneStep_Stereo(pSrc, i, |
InterpolateOneStep_Stereo(pSrc, i, |
1008 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
1009 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
1010 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
pEngine->pBasicFilterParameters[i], |
1011 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
pEngine->pMainFilterParameters[i]); |
1012 |
} |
} |
1013 |
} |
} |
1014 |
else { // render loop (endless loop) |
else { // render loop (endless loop) |
1016 |
InterpolateOneStep_Stereo(pSrc, i, |
InterpolateOneStep_Stereo(pSrc, i, |
1017 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
1018 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
1019 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
pEngine->pBasicFilterParameters[i], |
1020 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
pEngine->pMainFilterParameters[i]); |
1021 |
if (Pos > pSample->LoopEnd) { |
if (Pos > pSample->LoopEnd) { |
1022 |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize); |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize); |
1023 |
} |
} |
1031 |
InterpolateOneStep_Mono(pSrc, i, |
InterpolateOneStep_Mono(pSrc, i, |
1032 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
1033 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
1034 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
pEngine->pBasicFilterParameters[i], |
1035 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
pEngine->pMainFilterParameters[i]); |
1036 |
if (Pos > pSample->LoopEnd) { |
if (Pos > pSample->LoopEnd) { |
1037 |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
1038 |
LoopCyclesLeft--; |
LoopCyclesLeft--; |
1043 |
InterpolateOneStep_Mono(pSrc, i, |
InterpolateOneStep_Mono(pSrc, i, |
1044 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
1045 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
1046 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
pEngine->pBasicFilterParameters[i], |
1047 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
pEngine->pMainFilterParameters[i]); |
1048 |
} |
} |
1049 |
} |
} |
1050 |
else { // render loop (endless loop) |
else { // render loop (endless loop) |
1052 |
InterpolateOneStep_Mono(pSrc, i, |
InterpolateOneStep_Mono(pSrc, i, |
1053 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
1054 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
1055 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
pEngine->pBasicFilterParameters[i], |
1056 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
pEngine->pMainFilterParameters[i]); |
1057 |
if (Pos > pSample->LoopEnd) { |
if (Pos > pSample->LoopEnd) { |
1058 |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
1059 |
} |
} |
1063 |
} |
} |
1064 |
|
|
1065 |
/** |
/** |
1066 |
* Immediately kill the voice. |
* Immediately kill the voice. This method should not be used to kill |
1067 |
|
* a normal, active voice, because it doesn't take care of things like |
1068 |
|
* fading down the volume level to avoid clicks and regular processing |
1069 |
|
* until the kill event actually occured! |
1070 |
|
* |
1071 |
|
* @see Kill() |
1072 |
*/ |
*/ |
1073 |
void Voice::Kill() { |
void Voice::KillImmediately() { |
1074 |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
1075 |
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
1076 |
} |
} |
1077 |
Reset(); |
Reset(); |
1078 |
} |
} |
1079 |
|
|
1080 |
|
/** |
1081 |
|
* Kill the voice in regular sense. Let the voice render audio until |
1082 |
|
* the kill event actually occured and then fade down the volume level |
1083 |
|
* very quickly and let the voice die finally. Unlike a normal release |
1084 |
|
* of a voice, a kill process cannot be cancalled and is therefore |
1085 |
|
* usually used for voice stealing and key group conflicts. |
1086 |
|
* |
1087 |
|
* @param pKillEvent - event which caused the voice to be killed |
1088 |
|
*/ |
1089 |
|
void Voice::Kill(Event* pKillEvent) { |
1090 |
|
if (pTriggerEvent && pKillEvent->FragmentPos() <= pTriggerEvent->FragmentPos()) return; |
1091 |
|
this->pKillEvent = pKillEvent; |
1092 |
|
} |
1093 |
|
|
1094 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |