/[svn]/linuxsampler/trunk/src/engines/gig/EGADSR.h
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revision 239 by schoenebeck, Sun Sep 12 14:48:19 2004 UTC revision 554 by schoenebeck, Thu May 19 19:25:14 2005 UTC
# Line 3  Line 3 
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  *
# Line 27  Line 28 
28    
29  #include "../../common/global.h"  #include "../../common/global.h"
30  #include "../../common/RTMath.h"  #include "../../common/RTMath.h"
31  #include "../../common/RTELMemoryPool.h"  #include "../../common/Pool.h"
32  #include "../common/Event.h"  #include "../common/Event.h"
33  #include "Manipulator.h"  #include "Manipulator.h"
34  #include "Engine.h"  #include "Engine.h"
35    
 #define EG_ENVELOPE_LIMIT       0.001  
 #define EG_MIN_RELEASE_TIME     0.005  
   
36  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
37    
38  /**  /**
# Line 53  class EGADSR { Line 51  class EGADSR {
51              stage_decay2,              stage_decay2,
52              stage_sustain,              stage_sustain,
53              stage_release,              stage_release,
54                stage_fadeout,
55              stage_end              stage_end
56          };          };
57    
58          EGADSR(gig::Engine* pEngine, Event::destination_t ModulationDestination);          EGADSR(gig::Engine* pEngine, Event::destination_t ModulationDestination);
59          void Process(uint TotalSamples, RTEList<Event>* pEvents, Event* pTriggerEvent, double SamplePos, double CurrentPitch, Event* pKillEvent = NULL);          void Process(uint TotalSamples, RTList<Event>* pEvents, RTList<Event>::Iterator itTriggerEvent, double SamplePos, double CurrentPitch, RTList<Event>::Iterator itKillEvent = RTList<Event>::Iterator());
60          void Trigger(uint PreAttack, double AttackTime, bool HoldAttack, long LoopStart, double Decay1Time, double Decay2Time, bool InfiniteSustain, uint SustainLevel, double ReleaseTime, uint Delay);          void Trigger(uint PreAttack, double AttackTime, bool HoldAttack, long LoopStart, double Decay1Time, double Decay2Time, bool InfiniteSustain, uint SustainLevel, double ReleaseTime, uint Delay);
61          inline EGADSR::stage_t GetStage() { return Stage; }          inline EGADSR::stage_t GetStage() { return Stage; }
62      protected:      protected:
# Line 78  class EGADSR { Line 77  class EGADSR {
77          float   ReleaseCoeff;          float   ReleaseCoeff;
78          long    ReleaseStepsLeft;  ///< number of sample points til end of release stage          long    ReleaseStepsLeft;  ///< number of sample points til end of release stage
79          bool    ReleasePostponed;  ///< If a "release" event occured in the previous audio fragment, but wasn't processed yet.          bool    ReleasePostponed;  ///< If a "release" event occured in the previous audio fragment, but wasn't processed yet.
80          const static float EndCoeff;          const static float FadeOutCoeff;
81      private:      private:
82          static float CalculateEndCoeff();          static float CalculateFadeOutCoeff();
83  };  };
84    
85  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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