addsynth_component_frequency_envelope.cpp

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*****************************************************************************
   3  *
   4  *   Copyright (C) 2006,2007,2008,2009 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 "filter_parameters.h"
  29 #include "envelope_parameters.h"
  30 #include "resonance.h"
  31 #include "fft.h"
  32 #include "oscillator.h"
  33 #include "portamento.h"
  34 #include "addsynth_internal.h"
  35 #include "log.h"
  36
  37 #define envelope_params_ptr ((EnvelopeParams * )context)
  38
  39 float
  40 zyn_component_frequency_envelope_get_float(
  41   void * context,
  42   unsigned int parameter)
  43 {
  44   switch (parameter)
  45   {
  46   case ZYNADD_PARAMETER_FLOAT_ENV_ATTACK_VALUE:
  47     return percent_from_0_127(
  48       envelope_params_ptr->get_value(
  49         envelope_params_ptr->m_attack_value_index));
  50   case ZYNADD_PARAMETER_FLOAT_ENV_ATTACK_DURATION:
  51     return percent_from_0_127(
  52       envelope_params_ptr->get_duration(
  53         envelope_params_ptr->m_attack_duration_index));
  54   case ZYNADD_PARAMETER_FLOAT_ENV_RELEASE_VALUE:
  55     return percent_from_0_127(
  56       envelope_params_ptr->get_value(
  57         envelope_params_ptr->m_release_value_index));
  58   case ZYNADD_PARAMETER_FLOAT_ENV_RELEASE_DURATION:
  59     return percent_from_0_127(
  60       envelope_params_ptr->get_duration(
  61         envelope_params_ptr->m_release_duration_index));
  62   case ZYNADD_PARAMETER_FLOAT_ENV_STRETCH:
  63     return percent_from_0_127(envelope_params_ptr->m_stretch) * 2;
  64   default:
  65     LOG_ERROR("Unknown frequency envelope parameter %u", parameter);
  66     assert(0);
  67   }
  68 }
  69
  70 void
  71 zyn_component_frequency_envelope_set_float(
  72   void * context,
  73   unsigned int parameter,
  74   float value)
  75 {
  76   switch (parameter)
  77   {
  78   case ZYNADD_PARAMETER_FLOAT_ENV_ATTACK_VALUE:
  79     envelope_params_ptr->set_value(
  80       envelope_params_ptr->m_attack_value_index,
  81       percent_to_0_127(value));
  82     return;
  83   case ZYNADD_PARAMETER_FLOAT_ENV_ATTACK_DURATION:
  84     envelope_params_ptr->set_duration(
  85       envelope_params_ptr->m_attack_duration_index,
  86       percent_to_0_127(value));
  87     return;
  88   case ZYNADD_PARAMETER_FLOAT_ENV_RELEASE_VALUE:
  89     envelope_params_ptr->set_value(
  90       envelope_params_ptr->m_release_value_index,
  91       percent_to_0_127(value));
  92     return;
  93   case ZYNADD_PARAMETER_FLOAT_ENV_RELEASE_DURATION:
  94     envelope_params_ptr->set_duration(
  95       envelope_params_ptr->m_release_duration_index,
  96       percent_to_0_127(value));
  97     return;
  98   case ZYNADD_PARAMETER_FLOAT_ENV_STRETCH:
  99     envelope_params_ptr->m_stretch = percent_to_0_127(value/2);
 100     return;
 101   default:
 102     LOG_ERROR("Unknown frequency envelope parameter %u", parameter);
 103     assert(0);
 104   }
 105 }
 106
 107 signed int
 108 zyn_component_frequency_envelope_get_int(
 109   void * context,
 110   unsigned int parameter)
 111 {
 112   assert(0);
 113   return 0;
 114 }
 115
 116 void
 117 zyn_component_frequency_envelope_set_int(
 118   void * context,
 119   unsigned int parameter,
 120   signed int value)
 121 {
 122   assert(0);
 123 }
 124
 125 bool
 126 zyn_component_frequency_envelope_get_bool(
 127   void * context,
 128   unsigned int parameter)
 129 {
 130   switch (parameter)
 131   {
 132   case ZYNADD_PARAMETER_BOOL_ENV_FORCED_RELEASE:
 133     return envelope_params_ptr->m_forced_release;
 134   default:
 135     LOG_ERROR("Unknown bool frequency envelope parameter %u", parameter);
 136     assert(0);
 137   }
 138 }
 139
 140 void
 141 zyn_component_frequency_envelope_set_bool(
 142   void * context,
 143   unsigned int parameter,
 144   bool value)
 145 {
 146   switch (parameter)
 147   {
 148   case ZYNADD_PARAMETER_BOOL_ENV_FORCED_RELEASE:
 149     envelope_params_ptr->m_forced_release = value;
 150     return;
 151   default:
 152     LOG_ERROR("Unknown bool frequency envelope parameter %u", parameter);
 153     assert(0);
 154   }
 155 }
 156
 157 #undef envelope_params_ptr
 158
 159 void
 160 zyn_addsynth_component_init_frequency_envelope(
 161   struct zyn_component_descriptor * component_ptr,
 162   EnvelopeParams * envelope_params_ptr)
 163 {
 164   ZYN_INIT_COMPONENT(component_ptr, envelope_params_ptr, zyn_component_frequency_envelope_);
 165 }