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_scale_t;
  39 typedef void * jack_mixer_threshold_t;
  40
  41 jack_mixer_t
  42 create(
  43   const char * jack_client_name_ptr);
  44
  45 void
  46 destroy(
  47   jack_mixer_t mixer);
  48
  49 jack_mixer_channel_t
  50 get_main_mix_channel(
  51   jack_mixer_t mixer);
  52
  53 unsigned int
  54 get_channels_count(
  55   jack_mixer_t mixer);
  56
  57 jack_mixer_channel_t
  58 add_channel(
  59   jack_mixer_t mixer,
  60   const char * channel_name,
  61   bool stereo);
  62
  63 const char *
  64 channel_get_name(
  65   jack_mixer_channel_t channel);
  66
  67 /* returned values are in dBFS */
  68 void
  69 channel_stereo_meter_read(
  70   jack_mixer_channel_t channel,
  71   double * left_ptr,
  72   double * right_ptr);
  73
  74 /* returned value is in dBFS */
  75 void
  76 channel_mono_meter_read(
  77   jack_mixer_channel_t channel,
  78   double * mono_ptr);
  79
  80 bool
  81 channel_is_stereo(
  82   jack_mixer_channel_t channel);
  83
  84 bool
  85 channel_is_midi_modified(
  86   jack_mixer_channel_t channel);
  87
  88 /* volume is in dBFS */
  89 void
  90 channel_volume_write(
  91   jack_mixer_channel_t channel,
  92   double volume);
  93
  94 double
  95 channel_volume_read(
  96   jack_mixer_channel_t channel);
  97
  98 /* balance is from -1.0 (full left) to +1.0 (full right) */
  99 void
 100 channel_balance_write(
 101   jack_mixer_channel_t channel,
 102   double balance);
 103
 104 double
 105 channel_balance_read(
 106   jack_mixer_channel_t channel);
 107
 108 void
 109 remove_channel(
 110   jack_mixer_channel_t channel);
 111
 112 /* returned value is in dBFS */
 113 double
 114 channel_abspeak_read(
 115   jack_mixer_channel_t channel);
 116
 117 void
 118 channel_abspeak_reset(
 119   jack_mixer_channel_t channel);
 120
 121 void
 122 channel_mute(
 123   jack_mixer_channel_t channel);
 124
 125 void
 126 channel_unmute(
 127   jack_mixer_channel_t channel);
 128
 129 void
 130 channel_solo(
 131   jack_mixer_channel_t channel);
 132
 133 void
 134 channel_unsolo(
 135   jack_mixer_channel_t channel);
 136
 137 bool
 138 channel_is_muted(
 139   jack_mixer_channel_t channel);
 140
 141 bool
 142 channel_is_soloed(
 143   jack_mixer_channel_t channel);
 144
 145 void
 146 channel_rename(
 147   jack_mixer_channel_t channel,
 148   const char * name);
 149
 150 void
 151 channel_set_midi_scale(
 152   jack_mixer_channel_t channel,
 153   jack_mixer_scale_t scale);
 154
 155 jack_mixer_scale_t
 156 scale_create();
 157
 158 bool
 159 scale_add_threshold(
 160   jack_mixer_scale_t scale,
 161   float db,
 162   float scale_value);
 163
 164 void
 165 scale_calculate_coefficients(
 166   jack_mixer_scale_t scale);
 167
 168 double
 169 scale_db_to_scale(
 170   jack_mixer_scale_t scale,
 171   double db);
 172
 173 double
 174 scale_scale_to_db(
 175   jack_mixer_scale_t scale,
 176   double scale_value);
 177
 178 void
 179 scale_destroy(
 180   jack_mixer_scale_t scale);
 181
 182 #endif /* #ifndef JACK_MIXER_H__DAEB51D8_5861_40F2_92E4_24CA495A384D__INCLUDED */