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
  39 jack_mixer_t
  40 create(
  41   const char * jack_client_name_ptr);
  42
  43 void
  44 destroy(
  45   jack_mixer_t mixer);
  46
  47 jack_mixer_channel_t
  48 get_main_mix_channel(
  49   jack_mixer_t mixer);
  50
  51 unsigned int
  52 get_channels_count(
  53   jack_mixer_t mixer);
  54
  55 jack_mixer_channel_t
  56 add_channel(
  57   jack_mixer_t mixer,
  58   const char * channel_name,
  59   bool stereo);
  60
  61 const char *
  62 channel_get_name(
  63   jack_mixer_channel_t channel);
  64
  65 /* returned values are in dBFS */
  66 void
  67 channel_stereo_meter_read(
  68   jack_mixer_channel_t channel,
  69   double * left_ptr,
  70   double * right_ptr);
  71
  72 /* returned value is in dBFS */
  73 void
  74 channel_mono_meter_read(
  75   jack_mixer_channel_t channel,
  76   double * mono_ptr);
  77
  78 bool
  79 channel_is_stereo(
  80   jack_mixer_channel_t channel);
  81
  82 /* volume is in dBFS */
  83 void
  84 channel_volume_write(
  85   jack_mixer_channel_t channel,
  86   double volume);
  87
  88 /* balance is from -1.0 (full left) to +1.0 (full right) */
  89 void
  90 channel_balance_write(
  91   jack_mixer_channel_t channel,
  92   double balance);
  93
  94 void
  95 remove_channel(
  96   jack_mixer_channel_t channel);
  97
  98 /* returned value is in dBFS */
  99 double
 100 channel_abspeak_read(
 101   jack_mixer_channel_t channel);
 102
 103 void
 104 channel_abspeak_reset(
 105   jack_mixer_channel_t channel);
 106
 107 void
 108 channel_mute(
 109   jack_mixer_channel_t channel);
 110
 111 void
 112 channel_unmute(
 113   jack_mixer_channel_t channel);
 114
 115 void
 116 channel_solo(
 117   jack_mixer_channel_t channel);
 118
 119 void
 120 channel_unsolo(
 121   jack_mixer_channel_t channel);
 122
 123 bool
 124 channel_is_muted(
 125   jack_mixer_channel_t channel);
 126
 127 bool
 128 channel_is_soloed(
 129   jack_mixer_channel_t channel);
 130
 131 void
 132 channel_rename(
 133   jack_mixer_channel_t channel,
 134   const char * name);
 135
 136 #endif /* #ifndef JACK_MIXER_H__DAEB51D8_5861_40F2_92E4_24CA495A384D__INCLUDED */