/[svn]/linuxsampler/trunk/src/engines/sfz/Voice.cpp
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Diff of /linuxsampler/trunk/src/engines/sfz/Voice.cpp

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revision 2252 by iliev, Sat Aug 20 14:01:36 2011 UTC revision 2879 by schoenebeck, Tue Apr 19 14:07:53 2016 UTC
# Line 4  Line 4 
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 - 2008 Christian Schoenebeck                       *   *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
7   *   Copyright (C) 2009 - 2011 Christian Schoenebeck and Grigor Iliev      *   *   Copyright (C) 2009 - 2015 Christian Schoenebeck and Grigor Iliev      *
8   *                                                                         *   *                                                                         *
9   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
10   *   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 34  namespace LinuxSampler { namespace sfz { Line 34  namespace LinuxSampler { namespace sfz {
34      typedef LinuxSampler::VoiceBase<EngineChannel, ::sfz::Region, Sample, DiskThread> SfzVoice;      typedef LinuxSampler::VoiceBase<EngineChannel, ::sfz::Region, Sample, DiskThread> SfzVoice;
35      Voice::Voice(): SignalRack(this), SfzVoice(&SignalRack) {      Voice::Voice(): SignalRack(this), SfzVoice(&SignalRack) {
36          pEngine     = NULL;          pEngine     = NULL;
37            bEqSupport = true;
38      }      }
39    
40      Voice::~Voice() {      Voice::~Voice() {
# Line 133  namespace LinuxSampler { namespace sfz { Line 134  namespace LinuxSampler { namespace sfz {
134      }      }
135    
136      double Voice::GetSampleAttenuation() {      double Voice::GetSampleAttenuation() {
137          return exp(LN_10_DIV_20 * pRegion->volume);          return exp(LN_10_DIV_20 * pRegion->volume) * pRegion->amplitude / 100;
138      }      }
139    
140      double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {      double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
141          return pRegion->amp_velcurve[MIDIKeyVelocity];          float offset = -pRegion->amp_veltrack;
142            if (offset <= 0) offset += 100;
143            return (offset + pRegion->amp_veltrack * pRegion->amp_velcurve[MIDIKeyVelocity]) / 100;
144      }      }
145    
146      double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {      double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
# Line 153  namespace LinuxSampler { namespace sfz { Line 156  namespace LinuxSampler { namespace sfz {
156          }*/ // TODO: ^^^          }*/ // TODO: ^^^
157      }      }
158    
159        void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
160            //TODO: ...
161        }
162    
163        void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
164            //TODO: ...
165        }
166    
167      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
168          /*float crossfadeVolume;          /*float crossfadeVolume;
169          switch (pRegion->AttenuationController.type) {          switch (pRegion->AttenuationController.type) {
# Line 253  namespace LinuxSampler { namespace sfz { Line 264  namespace LinuxSampler { namespace sfz {
264          float cutoff = *pRegion->cutoff;          float cutoff = *pRegion->cutoff;
265          cutoff *= RTMath::CentsToFreqRatioUnlimited(          cutoff *= RTMath::CentsToFreqRatioUnlimited(
266              MIDIKeyVelocity / 127.0f * pRegion->fil_veltrack +              MIDIKeyVelocity / 127.0f * pRegion->fil_veltrack +
267              (MIDIKey - pRegion->fil_keycenter) * pRegion->fil_keytrack);              (MIDIKey() - pRegion->fil_keycenter) * pRegion->fil_keytrack);
268          return cutoff;          return cutoff;
269      }      }
270    
# Line 269  namespace LinuxSampler { namespace sfz { Line 280  namespace LinuxSampler { namespace sfz {
280      }      }
281    
282      void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {      void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
283          dmsg(4,("Voice %x processGroupEvents event type=%d", this, itEvent->Type));          dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
284          if (itEvent->Type == Event::type_control_change ||          if (itEvent->Type == Event::type_control_change ||
285              (Type & Voice::type_controller_triggered) ||              (Type & Voice::type_controller_triggered) ||
286              itEvent->Param.Note.Key != MIDIKey) {              itEvent->Param.Note.Key != HostKey()) {
287              dmsg(4,("Voice %x - kill", this));              dmsg(4,("Voice %p - kill", (void*)this));
288              if (pRegion->off_mode == ::sfz::OFF_NORMAL) {              if (pRegion->off_mode == ::sfz::OFF_NORMAL) {
289                  // turn off the voice by entering release envelope stage                  // turn off the voice by entering release envelope stage
290                  EnterReleaseStage();                  EnterReleaseStage();
# Line 295  namespace LinuxSampler { namespace sfz { Line 306  namespace LinuxSampler { namespace sfz {
306          }          }
307      }      }
308    
309        void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
310            SignalRack.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
311        }
312    
313        int Voice::CalculatePan(uint8_t pan) {
314            // the value isn't limited to [0, 127] here, as this is done
315            // later in SignalUnit.CalculatePan
316            return pan + RgnInfo.Pan;
317        }
318    
319  }} // namespace LinuxSampler::sfz  }} // namespace LinuxSampler::sfz
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