/usr/include/libroardsp/channels.h is in libroar-dev 0.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | //channels.h:
/*
* Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2011
*
* This file is part of libroar a part of RoarAudio,
* a cross-platform sound system for both, home and professional use.
* See README for details.
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3
* as published by the Free Software Foundation.
*
* libroar is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* NOTE for everyone want's to change something and send patches:
* read README and HACKING! There a addition information on
* the license of this document you need to read before you send
* any patches.
*
* NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc
* or libpulse*:
* The libs libroaresd, libroararts and libroarpulse link this lib
* and are therefore GPL. Because of this it may be illigal to use
* them with any software that uses libesd, libartsc or libpulse*.
*/
#ifndef _LIBROARDSP_CHANNELS_H_
#define _LIBROARDSP_CHANNELS_H_
#include "libroardsp.h"
/* Channel map:
* Standard marix:
*
* # Left | Center | Right #
* ======#============#==============#=============#
* Front # FRONT_LEFT | FRONT_CENTER | FRONT_RIGHT #
* # LEFT | CENTER/MONO | RIGHT #
* ------#------------+--------------+-------------#
* Side # SIDE_LEFT | SIDE_CENTER$ | SIDE_RIGH #
* ------#------------+--------------+-------------#
* Back # BACK_LEFT | BACK_CENTER | BACK_RIGHT #
* ======#============#==============#=============#
* $ = Side Center has null-vector possion and because of this
* arg(Pos) is undefined. This means that the channel does
* not have a defined phase and therefor can not exist.
* we include it just to have the matrix complet.
*
*
* Low Frequency Effects:
*
* LFE is location independ.
*
*
* Mid-Side (MS):
*
* Mid = Left + Right
* Side = Left - Right
* Left = (Mid + Side) / 2
* Right = (Mid - Side) / 2
*
*/
#define ROARDSP_CHAN_EOL -1
#define ROARDSP_CHAN_NONE 0
#define ROARDSP_CHAN_FRONT_LEFT 1
#define ROARDSP_CHAN_FRONT_RIGHT 2
#define ROARDSP_CHAN_SIDE_LEFT 3
#define ROARDSP_CHAN_SIDE_RIGHT 4
#define ROARDSP_CHAN_BACK_LEFT 5
#define ROARDSP_CHAN_BACK_RIGHT 6
#define ROARDSP_CHAN_FRONT_CENTER 7
#define ROARDSP_CHAN_SIDE_CENTER 8
#define ROARDSP_CHAN_BACK_CENTER 9
#define ROARDSP_CHAN_LEFT ROARDSP_CHAN_FRONT_LEFT
#define ROARDSP_CHAN_RIGHT ROARDSP_CHAN_FRONT_RIGHT
#define ROARDSP_CHAN_CENTER ROARDSP_CHAN_FRONT_CENTER
#define ROARDSP_CHAN_MONO ROARDSP_CHAN_CENTER
#define ROARDSP_CHAN_MS_MID 10
#define ROARDSP_CHAN_MS_SIDE 11
#define ROARDSP_CHAN_LFE 12
// MIDI Channels:
#define ROARDSP_CHAN_MIDI0 64
#define ROARDSP_CHAN_MIDI1 65
#define ROARDSP_CHAN_MIDI2 66
#define ROARDSP_CHAN_MIDI3 67
#define ROARDSP_CHAN_MIDI4 68
#define ROARDSP_CHAN_MIDI5 69
#define ROARDSP_CHAN_MIDI6 70
#define ROARDSP_CHAN_MIDI7 71
#define ROARDSP_CHAN_MIDI8 72
#define ROARDSP_CHAN_MIDI9 73
#define ROARDSP_CHAN_MIDI10 74
#define ROARDSP_CHAN_MIDI11 75
#define ROARDSP_CHAN_MIDI12 76
#define ROARDSP_CHAN_MIDI13 77
#define ROARDSP_CHAN_MIDI14 78
#define ROARDSP_CHAN_MIDI15 79
#define ROARDSP_CHANLIST_MAP_ROARAUDIO 0
#define ROARDSP_CHANLIST_MAP_VORBIS 1
#define ROARDSP_CHANLIST_MAP_FLAC 2
#define ROARDSP_CHANLIST_MAP_RIFF_WAVE 3
#define ROARDSP_CHANLIST_MAP_OSS 4
#define ROARDSP_CHANLIST_MAP_ALSA 5
#define ROARDSP_CHANLIST_MAP_ESD 6
#define ROARDSP_CHANLIST_MAP_MIDI 7
#define ROARDSP_CHANMAP_IN 0
#define ROARDSP_CHANMAP_OUT 1
#define ROARDSP_CHANMAP_MAP 2
#define ROARDSP_CHANMAP_INVMAP 3
struct roardsp_chanmap {
char in [ROAR_MAX_CHANNELS];
char out[ROAR_MAX_CHANNELS];
char map[ROAR_MAX_CHANNELS];
};
char * roardsp_chan2str (int chan);
int roardsp_str2chan(char * str);
int roardsp_chanlist2str(char * list, size_t len, char * str, size_t strlen);
int roardsp_chanlist_init(char * list, int channels, int map);
int roardsp_chanmap_calc(struct roardsp_chanmap * map, int what, int err_on_none);
int roardsp_chanmap_mappcm8 (char * out, char * in, size_t len, size_t chans, struct roardsp_chanmap * map);
int roardsp_chanmap_mappcm16(int16_t * out, int16_t * in, size_t len, size_t chans, struct roardsp_chanmap * map);
int roardsp_chanmap_mappcm24(void * out, void * in, size_t len, size_t chans, struct roardsp_chanmap * map);
int roardsp_chanmap_mappcm32(int32_t * out, int32_t * in, size_t len, size_t chans, struct roardsp_chanmap * map);
int roardsp_chanmap_mappcm (void * out, void * in, size_t len, size_t chans, struct roardsp_chanmap * map, int bits);
#endif
//ll
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