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 #include <stdbool.h>
  27
  28 #include "scale.h"
  29
  30 typedef void * jack_mixer_t;
  31 typedef void * jack_mixer_channel_t;
  32 typedef void * jack_mixer_output_channel_t;
  33 typedef void * jack_mixer_threshold_t;
  34
  35 enum midi_behavior_mode { Jump_To_Value, Pick_Up };
  36
  37 jack_mixer_t
  38 create(
  39   const char * jack_client_name_ptr,
  40   bool stereo);
  41
  42 void
  43 destroy(
  44   jack_mixer_t mixer);
  45
  46 unsigned int
  47 get_channels_count(
  48   jack_mixer_t mixer);
  49
  50 const char*
  51 get_client_name(
  52   jack_mixer_t mixer);
  53
  54 int
  55 get_last_midi_channel(
  56   jack_mixer_t mixer);
  57
  58 unsigned int
  59 set_last_midi_channel(
  60   jack_mixer_t mixer,
  61   int new_channel);
  62
  63
  64 int
  65 get_midi_behavior_mode(
  66   jack_mixer_t mixer);
  67
  68 unsigned int
  69 set_midi_behavior_mode(
  70   jack_mixer_t mixer,
  71   enum midi_behavior_mode mode);
  72
  73 jack_mixer_channel_t
  74 add_channel(
  75   jack_mixer_t mixer,
  76   const char * channel_name,
  77   bool stereo);
  78
  79 const char *
  80 channel_get_name(
  81   jack_mixer_channel_t channel);
  82
  83 /* returned values are in dBFS */
  84 void
  85 channel_stereo_meter_read(
  86   jack_mixer_channel_t channel,
  87   double * left_ptr,
  88   double * right_ptr);
  89
  90 /* returned value is in dBFS */
  91 void
  92 channel_mono_meter_read(
  93   jack_mixer_channel_t channel,
  94   double * mono_ptr);
  95
  96 bool
  97 channel_is_stereo(
  98   jack_mixer_channel_t channel);
  99
 100 void
 101 channel_set_midi_change_callback(
 102   jack_mixer_channel_t channel,
 103   void (*midi_change_callback) (void*),
 104   void *user_data);
 105
 106 /* volume is in dBFS */
 107 void
 108 channel_volume_write(
 109   jack_mixer_channel_t channel,
 110   double volume);
 111
 112 double
 113 channel_volume_read(
 114   jack_mixer_channel_t channel);
 115
 116 void
 117 channels_volumes_read(jack_mixer_t mixer_ptr);
 118
 119 /* balance is from -1.0 (full left) to +1.0 (full right) */
 120 void
 121 channel_balance_write(
 122   jack_mixer_channel_t channel,
 123   double balance);
 124
 125 double
 126 channel_balance_read(
 127   jack_mixer_channel_t channel);
 128
 129 int
 130 channel_get_balance_midi_cc(
 131   jack_mixer_channel_t channel);
 132
 133 unsigned int
 134 channel_set_balance_midi_cc(
 135   jack_mixer_channel_t channel,
 136   int new_cc);
 137
 138 int
 139 channel_get_volume_midi_cc(
 140   jack_mixer_channel_t channel);
 141
 142 unsigned int
 143 channel_set_volume_midi_cc(
 144   jack_mixer_channel_t channel,
 145   int new_cc);
 146
 147 int
 148 channel_get_mute_midi_cc(
 149   jack_mixer_channel_t channel);
 150
 151 unsigned int
 152 channel_set_mute_midi_cc(
 153   jack_mixer_channel_t channel,
 154   int new_cc);
 155
 156 int
 157 channel_get_solo_midi_cc(
 158   jack_mixer_channel_t channel);
 159
 160 unsigned int
 161 channel_set_solo_midi_cc(
 162   jack_mixer_channel_t channel,
 163   int new_cc);
 164
 165 void channel_set_midi_cc_volume_picked_up(jack_mixer_channel_t channel,
 166   bool status);
 167
 168 void channel_set_midi_cc_balance_picked_up(jack_mixer_channel_t channel,
 169   bool status);
 170
 171 void
 172 channel_autoset_volume_midi_cc(
 173   jack_mixer_channel_t channel);
 174
 175 void
 176 channel_autoset_balance_midi_cc(
 177   jack_mixer_channel_t channel);
 178
 179 void
 180 channel_autoset_mute_midi_cc(
 181   jack_mixer_channel_t channel);
 182
 183 void
 184 channel_autoset_solo_midi_cc(
 185   jack_mixer_channel_t channel);
 186
 187 void
 188 remove_channel(
 189   jack_mixer_channel_t channel);
 190
 191 void
 192 remove_channels(
 193   jack_mixer_t mixer);
 194
 195 /* returned value is in dBFS */
 196 double
 197 channel_abspeak_read(
 198   jack_mixer_channel_t channel);
 199
 200 void
 201 channel_abspeak_reset(
 202   jack_mixer_channel_t channel);
 203
 204 void
 205 channel_out_mute(
 206   jack_mixer_channel_t channel);
 207
 208 void
 209 channel_out_unmute(
 210   jack_mixer_channel_t channel);
 211
 212 bool
 213 channel_is_out_muted(
 214   jack_mixer_channel_t channel);
 215
 216 void
 217 channel_solo(
 218   jack_mixer_channel_t channel);
 219
 220 void
 221 channel_unsolo(
 222   jack_mixer_channel_t channel);
 223
 224 bool
 225 channel_is_soloed(
 226   jack_mixer_channel_t channel);
 227
 228 void
 229 channel_rename(
 230   jack_mixer_channel_t channel,
 231   const char * name);
 232
 233 void
 234 channel_set_midi_scale(
 235   jack_mixer_channel_t channel,
 236   jack_mixer_scale_t scale);
 237
 238 bool
 239 channel_get_midi_in_got_events(
 240   jack_mixer_channel_t channel);
 241
 242 jack_mixer_output_channel_t
 243 add_output_channel(
 244   jack_mixer_t mixer,
 245   const char * channel_name,
 246   bool stereo,
 247   bool system);
 248
 249 void
 250 remove_output_channel(
 251   jack_mixer_output_channel_t output_channel);
 252
 253 void
 254 output_channel_set_solo(
 255   jack_mixer_output_channel_t output_channel,
 256   jack_mixer_channel_t channel,
 257   bool solo_value);
 258
 259 void
 260 output_channel_set_muted(
 261   jack_mixer_output_channel_t output_channel,
 262   jack_mixer_channel_t channel,
 263   bool muted_value);
 264
 265 bool
 266 output_channel_is_muted(
 267   jack_mixer_output_channel_t output_channel,
 268   jack_mixer_channel_t channel);
 269
 270 bool
 271 output_channel_is_solo(
 272   jack_mixer_output_channel_t output_channel,
 273   jack_mixer_channel_t channel);
 274
 275 void
 276 output_channel_set_prefader(
 277   jack_mixer_output_channel_t output_channel,
 278   bool pfl_value);
 279
 280 bool
 281 output_channel_is_prefader(
 282   jack_mixer_output_channel_t output_channel);
 283
 284 void output_channel_set_in_prefader(jack_mixer_output_channel_t output_channel,
 285   jack_mixer_channel_t input_channel,
 286   bool prefader_value);
 287
 288 bool
 289 output_channel_is_in_prefader(
 290   jack_mixer_output_channel_t output_channel,
 291   jack_mixer_channel_t channel);
 292
 293 #endif /* #ifndef JACK_MIXER_H__DAEB51D8_5861_40F2_92E4_24CA495A384D__INCLUDED */