/[svn]/linuxsampler/trunk/src/engines/common/LFOTriangleDiHarmonic.h
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Diff of /linuxsampler/trunk/src/engines/common/LFOTriangleDiHarmonic.h

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revision 3560 by schoenebeck, Fri Apr 21 13:33:03 2017 UTC revision 3561 by schoenebeck, Fri Aug 23 11:44:00 2019 UTC
# Line 1  Line 1 
1  /***************************************************************************  /***************************************************************************
2   *                                                                         *   *                                                                         *
3   *   Copyright (C) 2005 - 2017 Christian Schoenebeck                       *   *   Copyright (C) 2005 - 2019 Christian Schoenebeck                       *
4   *                                                                         *   *                                                                         *
5   *   This library is free software; you can redistribute it and/or modify  *   *   This library is free software; you can redistribute it and/or modify  *
6   *   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  *
# Line 100  namespace LinuxSampler { Line 100  namespace LinuxSampler {
100                  const float harmonicCompensation = 1.0f + fabsf(AMP2); // to compensate the 2nd harmonic's amplitude overhead                  const float harmonicCompensation = 1.0f + fabsf(AMP2); // to compensate the 2nd harmonic's amplitude overhead
101                  this->InternalDepth        = (InternalDepth / 1200.0f) * this->Max / harmonicCompensation;                  this->InternalDepth        = (InternalDepth / 1200.0f) * this->Max / harmonicCompensation;
102                  this->ExtControlDepthCoeff = (((float) ExtControlDepth / 1200.0f) / 127.0f) * this->Max / harmonicCompensation;                  this->ExtControlDepthCoeff = (((float) ExtControlDepth / 1200.0f) / 127.0f) * this->Max / harmonicCompensation;
103                    this->pFinalDepth = NULL;
104                    this->pFinalFrequency = NULL;
105    
106                  const float freq = Frequency * this->ScriptFrequencyFactor;                  const float freq = Frequency * this->ScriptFrequencyFactor;
107                  c1 = 2.0f * M_PI * freq / (float) SampleRate;                  c1 = 2.0f * M_PI * freq / (float) SampleRate;
# Line 145  namespace LinuxSampler { Line 147  namespace LinuxSampler {
147                  c2 = 2.0f * M_PI * freq / (float) SampleRate * 3.0f;                  c2 = 2.0f * M_PI * freq / (float) SampleRate * 3.0f;
148              }              }
149    
150              void setScriptDepthFactor(float factor) {              void setScriptDepthFactor(float factor, bool isFinal) {
151                  this->ScriptDepthFactor = factor;                  this->ScriptDepthFactor = factor;
152                    // set or reset this script depth parameter to be the sole
153                    // source for the LFO depth
154                    if (isFinal && !this->pFinalDepth)
155                        this->pFinalDepth = &this->ScriptDepthFactor;
156                    else if (!isFinal && this->pFinalDepth == &this->ScriptDepthFactor)
157                        this->pFinalDepth = NULL;
158                    // recalculate upon new depth
159                  updateByMIDICtrlValue(this->ExtControlValue);                  updateByMIDICtrlValue(this->ExtControlValue);
160              }              }
161    
162              void setScriptFrequencyFactor(float factor, unsigned int SampleRate) {              void setScriptFrequencyFactor(float factor, unsigned int SampleRate) {
163                  this->ScriptFrequencyFactor = factor;                  this->ScriptFrequencyFactor = factor;
164                    // in case script frequency was set as "final" value before,
165                    // reset it so that all sources are processed from now on
166                    if (this->pFinalFrequency == &this->ScriptFrequencyFactor)
167                        this->pFinalFrequency = NULL;
168                    // recalculate upon new frequency
169                    setFrequency(this->Frequency, SampleRate);
170                }
171    
172                void setScriptFrequencyFinal(float hz, unsigned int SampleRate) {
173                    this->ScriptFrequencyFactor = hz;
174                    // assign script's given frequency as sole source for the LFO
175                    // frequency, thus ignore all other sources
176                    if (!this->pFinalFrequency)
177                        this->pFinalFrequency = &this->ScriptFrequencyFactor;
178                    // recalculate upon new frequency
179                  setFrequency(this->Frequency, SampleRate);                  setFrequency(this->Frequency, SampleRate);
180              }              }
181    
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