src/Params/EnvelopeParams.h

   1 /*
   2   ZynAddSubFX - a software synthesizer
   3
   4   EnvelopeParams.h - Parameters for Envelope
   5   Copyright (C) 2002-2005 Nasca Octavian Paul
   6   Author: Nasca Octavian Paul
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12 */
  13
  14 #ifndef ENVELOPE_PARAMS_H
  15 #define ENVELOPE_PARAMS_H
  16
  17 #include "../globals.h"
  18 #include "../Misc/XMLwrapper.h"
  19 #include "Presets.h"
  20
  21 namespace zyn {
  22
  23    enum envmode_enum {
  24         ADSR_lin = 1,
  25         ADSR_dB = 2,
  26         ASR_freqlfo = 3,
  27         ADSR_filter = 4,
  28         ASR_bw = 5
  29     };
  30
  31 class EnvelopeParams:public Presets
  32 {
  33     public:
  34         EnvelopeParams(unsigned char Penvstretch_=64,
  35                        unsigned char Pforcedrelease_=0,
  36                        const AbsTime *time_ = nullptr);
  37         ~EnvelopeParams();
  38         void paste(const EnvelopeParams &ep);
  39
  40         void init(consumer_location_t loc);
  41         void converttofree();
  42
  43         void add2XML(XMLwrapper& xml);
  44         void defaults();
  45         void getfromXML(XMLwrapper& xml);
  46
  47         float getdt(char i) const;
  48
  49
  50         int loc; //!< consumer location
  51
  52         /* MIDI Parameters */
  53         unsigned char Pfreemode; //1 for free mode, 0 otherwise
  54         unsigned char Penvpoints;
  55         unsigned char Penvsustain; //127 for disabled
  56         float         envdt[MAX_ENVELOPE_POINTS];
  57         unsigned char Penvval[MAX_ENVELOPE_POINTS];
  58         unsigned char Penvstretch; //64=normal stretch (piano-like), 0=no stretch
  59         unsigned char Pforcedrelease; //0 - OFF, 1 - ON
  60         unsigned char Plinearenvelope; //if the amplitude envelope is linear
  61
  62         float A_dt, D_dt, R_dt;
  63         unsigned char PA_val, PD_val, PS_val, PR_val;
  64
  65
  66
  67
  68         envmode_enum Envmode; // 1 for ADSR parameters (linear amplitude)
  69                      // 2 for ADSR_dB parameters (dB amplitude)
  70                      // 3 for ASR parameters (frequency LFO)
  71                      // 4 for ADSR_filter parameters (filter parameters)
  72                      // 5 for ASR_bw parameters (bandwidth parameters)
  73
  74
  75
  76         const AbsTime *time;
  77         int64_t last_update_timestamp;
  78
  79         static const rtosc::Ports &ports;
  80
  81         static float env_rap2dB(float rap);
  82         static float env_dB2rap(float db);
  83
  84     private:
  85
  86         void ADSRinit(float A_dt, float D_dt, char S_val, float R_dt);
  87         void ADSRinit_dB(float A_dt, float D_dt, char S_val, float R_dt);
  88         void ASRinit(char A_val, float A_dt, char R_val, float R_dt);
  89         void ADSRinit_filter(char A_val,
  90                              float A_dt,
  91                              char D_val,
  92                              float D_dt,
  93                              float R_dt,
  94                              char R_val);
  95         void ASRinit_bw(char A_val, float A_dt, char R_val, float R_dt);
  96
  97         void store2defaults();
  98
  99         /* Default parameters */
 100         unsigned char Denvstretch;
 101         unsigned char Dforcedrelease;
 102         unsigned char Dlinearenvelope;
 103         float DA_dt, DD_dt, DR_dt;
 104         unsigned char DA_val, DD_val, DS_val, DR_val;
 105 };
 106
 107 }
 108
 109 #endif