addsynth_component_amp_envelope.cpp

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*****************************************************************************
   3  *
   4  *   Copyright (C) 2006,2007 Nedko Arnaudov <nedko@arnaudov.name>
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; version 2 of the License
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program; if not, write to the Free Software
  17  *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  *****************************************************************************/
  20
  21 #include <stdbool.h>
  22 #include <assert.h>
  23
  24 #include "common.h"
  25 #include "globals.h"
  26 #include "addsynth.h"
  27 #include "lfo_parameters.h"
  28 #include "lfo.h"
  29 #include "filter_parameters.h"
  30 #include "filter_base.h"
  31 #include "filter_common.h"
  32 #include "analog_filter.h"
  33 #include "sv_filter.h"
  34 #include "formant_filter.h"
  35 #include "filter.h"
  36 #include "envelope_parameters.h"
  37 #include "envelope.h"
  38 #include "addnote.h"
  39 #include "resonance.h"
  40 #include "fft.h"
  41 #include "oscillator.h"
  42 #include "portamento.h"
  43 #include "addsynth_internal.h"
  44 #include "log.h"
  45
  46 #define envelope_params_ptr ((EnvelopeParams * )context)
  47
  48 float
  49 zyn_component_amp_envelope_get_float(
  50   void * context,
  51   unsigned int parameter)
  52 {
  53   switch (parameter)
  54   {
  55   case ZYNADD_PARAMETER_FLOAT_ENV_ATTACK_DURATION:
  56     return percent_from_0_127(
  57       envelope_params_ptr->get_duration(
  58         envelope_params_ptr->m_attack_duration_index));
  59   case ZYNADD_PARAMETER_FLOAT_ENV_DECAY_DURATION:
  60     return percent_from_0_127(
  61       envelope_params_ptr->get_duration(
  62         envelope_params_ptr->m_decay_duration_index));
  63   case ZYNADD_PARAMETER_FLOAT_ENV_SUSTAIN_VALUE:
  64     return percent_from_0_127(
  65       envelope_params_ptr->get_value(
  66         envelope_params_ptr->m_sustain_value_index));
  67   case ZYNADD_PARAMETER_FLOAT_ENV_RELEASE_DURATION:
  68     return percent_from_0_127(
  69       envelope_params_ptr->get_duration(
  70         envelope_params_ptr->m_release_duration_index));
  71   case ZYNADD_PARAMETER_FLOAT_ENV_STRETCH:
  72     return percent_from_0_127(
  73       envelope_params_ptr->m_stretch) * 2;
  74   default:
  75     LOG_ERROR("Unknown amplitude envelope parameter %u", parameter);
  76     assert(0);
  77   }
  78 }
  79
  80 void
  81 zyn_component_amp_envelope_set_float(
  82   void * context,
  83   unsigned int parameter,
  84   float value)
  85 {
  86   switch (parameter)
  87   {
  88   case ZYNADD_PARAMETER_FLOAT_ENV_ATTACK_DURATION:
  89     envelope_params_ptr->set_duration(
  90       envelope_params_ptr->m_attack_duration_index,
  91       percent_to_0_127(value));
  92     return;
  93   case ZYNADD_PARAMETER_FLOAT_ENV_DECAY_DURATION:
  94     envelope_params_ptr->set_duration(
  95       envelope_params_ptr->m_decay_duration_index,
  96       percent_to_0_127(value));
  97     return;
  98   case ZYNADD_PARAMETER_FLOAT_ENV_SUSTAIN_VALUE:
  99     envelope_params_ptr->set_value(
 100       envelope_params_ptr->m_sustain_value_index,
 101       percent_to_0_127(value));
 102     return;
 103   case ZYNADD_PARAMETER_FLOAT_ENV_RELEASE_DURATION:
 104     envelope_params_ptr->set_duration(
 105       envelope_params_ptr->m_release_duration_index,
 106       percent_to_0_127(value));
 107     return;
 108   case ZYNADD_PARAMETER_FLOAT_ENV_STRETCH:
 109     envelope_params_ptr->m_stretch = percent_to_0_127(value/2);
 110     return;
 111   default:
 112     LOG_ERROR("Unknown amplitude envelope parameter %u", parameter);
 113     assert(0);
 114   }
 115 }
 116
 117 signed int
 118 zyn_component_amp_envelope_get_int(
 119   void * context,
 120   unsigned int parameter)
 121 {
 122   assert(0);
 123   return 0;
 124 }
 125
 126 void
 127 zyn_component_amp_envelope_set_int(
 128   void * context,
 129   unsigned int parameter,
 130   signed int value)
 131 {
 132   assert(0);
 133 }
 134
 135 bool
 136 zyn_component_amp_envelope_get_bool(
 137   void * context,
 138   unsigned int parameter)
 139 {
 140   switch (parameter)
 141   {
 142   case ZYNADD_PARAMETER_BOOL_ENV_FORCED_RELEASE:
 143     return envelope_params_ptr->m_forced_release;
 144   case ZYNADD_PARAMETER_BOOL_ENV_LINEAR:
 145     return envelope_params_ptr->m_linear;
 146   default:
 147     LOG_ERROR("Unknown bool amplitude envelope parameter %u", parameter);
 148     assert(0);
 149   }
 150 }
 151
 152 void
 153 zyn_component_amp_envelope_set_bool(
 154   void * context,
 155   unsigned int parameter,
 156   bool value)
 157 {
 158   switch (parameter)
 159   {
 160   case ZYNADD_PARAMETER_BOOL_ENV_FORCED_RELEASE:
 161     envelope_params_ptr->m_forced_release = value;
 162     return;
 163   case ZYNADD_PARAMETER_BOOL_ENV_LINEAR:
 164     envelope_params_ptr->m_linear = value;
 165     return;
 166   default:
 167     LOG_ERROR("Unknown bool amplitude envelope parameter %u", parameter);
 168     assert(0);
 169   }
 170 }
 171
 172 #undef envelope_params_ptr
 173
 174 void
 175 zyn_addsynth_component_init_amp_envelope(
 176   struct zyn_component_descriptor * component_ptr,
 177   EnvelopeParams * envelope_params_ptr)
 178 {
 179   ZYN_INIT_COMPONENT(component_ptr, envelope_params_ptr, zyn_component_amp_envelope_);
 180 }