jack_mixer.h

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*****************************************************************************
   3  *
   4  *   This file is part of jack_mixer
   5  *
   6  *   Copyright (C) 2006 Nedko Arnaudov <nedko@arnaudov.name>
   7  *
   8  *   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
  10  *   the Free Software Foundation; version 2 of the License
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program; if not, write to the Free Software
  19  *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  *****************************************************************************/
  22
  23 #ifndef JACK_MIXER_H__DAEB51D8_5861_40F2_92E4_24CA495A384D__INCLUDED
  24 #define JACK_MIXER_H__DAEB51D8_5861_40F2_92E4_24CA495A384D__INCLUDED
  25
  26 #ifdef SWIG
  27 %module jack_mixer_c
  28 %include "typemaps.i"
  29 %apply double *OUTPUT { double * left_ptr, double * right_ptr, double * mono_ptr };
  30 %{
  31 #include <stdbool.h>
  32 #include "jack_mixer.h"
  33 %}
  34 #endif
  35
  36 typedef void * jack_mixer_t;
  37 typedef void * jack_mixer_channel_t;
  38 typedef void * jack_mixer_output_channel_t;
  39 typedef void * jack_mixer_scale_t;
  40 typedef void * jack_mixer_threshold_t;
  41
  42 jack_mixer_t
  43 create(
  44   const char * jack_client_name_ptr,
  45   bool stereo);
  46
  47 void
  48 destroy(
  49   jack_mixer_t mixer);
  50
  51 jack_mixer_channel_t
  52 get_main_mix_channel(
  53   jack_mixer_t mixer);
  54
  55 unsigned int
  56 get_channels_count(
  57   jack_mixer_t mixer);
  58
  59 unsigned int
  60 get_last_midi_channel(
  61   jack_mixer_t mixer);
  62
  63 jack_mixer_channel_t
  64 add_channel(
  65   jack_mixer_t mixer,
  66   const char * channel_name,
  67   bool stereo);
  68
  69 const char *
  70 channel_get_name(
  71   jack_mixer_channel_t channel);
  72
  73 /* returned values are in dBFS */
  74 void
  75 channel_stereo_meter_read(
  76   jack_mixer_channel_t channel,
  77   double * left_ptr,
  78   double * right_ptr);
  79
  80 /* returned value is in dBFS */
  81 void
  82 channel_mono_meter_read(
  83   jack_mixer_channel_t channel,
  84   double * mono_ptr);
  85
  86 bool
  87 channel_is_stereo(
  88   jack_mixer_channel_t channel);
  89
  90 void
  91 channel_set_midi_change_callback(
  92   jack_mixer_channel_t channel,
  93   void (*midi_change_callback) (void*),
  94   void *user_data);
  95
  96 /* volume is in dBFS */
  97 void
  98 channel_volume_write(
  99   jack_mixer_channel_t channel,
 100   double volume);
 101
 102 double
 103 channel_volume_read(
 104   jack_mixer_channel_t channel);
 105
 106 /* balance is from -1.0 (full left) to +1.0 (full right) */
 107 void
 108 channel_balance_write(
 109   jack_mixer_channel_t channel,
 110   double balance);
 111
 112 double
 113 channel_balance_read(
 114   jack_mixer_channel_t channel);
 115
 116 unsigned int
 117 channel_get_balance_midi_cc(
 118   jack_mixer_channel_t channel);
 119
 120 unsigned int
 121 channel_set_balance_midi_cc(
 122   jack_mixer_channel_t channel,
 123   unsigned int new_cc);
 124
 125 unsigned int
 126 channel_get_volume_midi_cc(
 127   jack_mixer_channel_t channel);
 128
 129 unsigned int
 130 channel_set_volume_midi_cc(
 131   jack_mixer_channel_t channel,
 132   unsigned int new_cc);
 133
 134 void
 135 channel_autoset_midi_cc(
 136   jack_mixer_channel_t channel);
 137
 138 void
 139 remove_channel(
 140   jack_mixer_channel_t channel);
 141
 142 /* returned value is in dBFS */
 143 double
 144 channel_abspeak_read(
 145   jack_mixer_channel_t channel);
 146
 147 void
 148 channel_abspeak_reset(
 149   jack_mixer_channel_t channel);
 150
 151 void
 152 channel_mute(
 153   jack_mixer_channel_t channel);
 154
 155 void
 156 channel_unmute(
 157   jack_mixer_channel_t channel);
 158
 159 void
 160 channel_solo(
 161   jack_mixer_channel_t channel);
 162
 163 void
 164 channel_unsolo(
 165   jack_mixer_channel_t channel);
 166
 167 bool
 168 channel_is_muted(
 169   jack_mixer_channel_t channel);
 170
 171 bool
 172 channel_is_soloed(
 173   jack_mixer_channel_t channel);
 174
 175 void
 176 channel_rename(
 177   jack_mixer_channel_t channel,
 178   const char * name);
 179
 180 void
 181 channel_set_midi_scale(
 182   jack_mixer_channel_t channel,
 183   jack_mixer_scale_t scale);
 184
 185 bool
 186 channel_get_midi_in_got_events(
 187   jack_mixer_channel_t channel);
 188
 189 jack_mixer_scale_t
 190 scale_create();
 191
 192 bool
 193 scale_add_threshold(
 194   jack_mixer_scale_t scale,
 195   float db,
 196   float scale_value);
 197
 198 void
 199 scale_calculate_coefficients(
 200   jack_mixer_scale_t scale);
 201
 202 double
 203 scale_db_to_scale(
 204   jack_mixer_scale_t scale,
 205   double db);
 206
 207 double
 208 scale_scale_to_db(
 209   jack_mixer_scale_t scale,
 210   double scale_value);
 211
 212 void
 213 scale_destroy(
 214   jack_mixer_scale_t scale);
 215
 216 jack_mixer_output_channel_t
 217 add_output_channel(
 218   jack_mixer_t mixer,
 219   const char * channel_name,
 220   bool stereo,
 221   bool system);
 222
 223 void
 224 remove_output_channel(
 225   jack_mixer_output_channel_t output_channel);
 226
 227 void
 228 output_channel_set_solo(
 229   jack_mixer_output_channel_t output_channel,
 230   jack_mixer_channel_t channel,
 231   bool solo_value);
 232
 233 void
 234 output_channel_set_muted(
 235   jack_mixer_output_channel_t output_channel,
 236   jack_mixer_channel_t channel,
 237   bool muted_value);
 238
 239 bool
 240 output_channel_is_muted(
 241   jack_mixer_output_channel_t output_channel,
 242   jack_mixer_channel_t channel);
 243
 244 bool
 245 output_channel_is_solo(
 246   jack_mixer_output_channel_t output_channel,
 247   jack_mixer_channel_t channel);
 248
 249 void
 250 output_channel_set_prefader(
 251   jack_mixer_output_channel_t output_channel,
 252   bool pfl_value);
 253
 254 bool
 255 output_channel_is_prefader(
 256   jack_mixer_output_channel_t output_channel);
 257
 258 #endif /* #ifndef JACK_MIXER_H__DAEB51D8_5861_40F2_92E4_24CA495A384D__INCLUDED */