[0] | 1 | //audio.h: |
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| 2 | |
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[704] | 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
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| 5 | * |
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| 6 | * This file is part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU Lesser General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * RoarAudio is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU Lesser General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU Lesser General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | * NOTE: Even though this file is LGPLed it (may) include GPLed files |
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| 24 | * so the license of this file is/may therefore downgraded to GPL. |
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| 25 | * See HACKING for details. |
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| 26 | */ |
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| 27 | |
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[0] | 28 | #ifndef _ROARAUDIO_AUDIO_H_ |
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| 29 | #define _ROARAUDIO_AUDIO_H_ |
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| 30 | |
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| 31 | #define ROAR_CODEC_PCM_LE ROAR_CODEC_PCM_S_LE |
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| 32 | #define ROAR_CODEC_PCM_BE ROAR_CODEC_PCM_S_BE |
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| 33 | #define ROAR_CODEC_PCM_PDP ROAR_CODEC_PCM_S_PDP |
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| 34 | |
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| 35 | /* |
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| 36 | Bits: |
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| 37 | 76543210 |
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[560] | 38 | |||||\---\ byte- |
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| 39 | ||||\----/ order |
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| 40 | |||\-----> unsigned? |
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| 41 | ||\------> PCM(0) or MIDI(1)? |
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| 42 | |\-------> PCM/MIDI(0) or hi-level codecs(1) |
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| 43 | \--------> MISC(0) or RIFF/WAVE like(1) |
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[318] | 44 | |
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| 45 | MIDI 0x08: |
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| 46 | 76543210 |
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| 47 | 000 0x08 -> MIDI File |
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| 48 | |
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| 49 | hi-level 0x10: |
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| 50 | 76543210 |
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| 51 | 0000 0x10 -> Ogg Vorbis |
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| 52 | 0001 0x11 -> Native FLAC |
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| 53 | 0010 0x12 -> Ogg Speex |
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| 54 | 0011 0x13 -> Reserved for CELT |
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| 55 | 0100 0x14 -> Ogg FLAC |
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| 56 | 0101 0x15 -> Ogg General |
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[329] | 57 | 0110 0x16 -> Ogg CELT |
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| 58 | [...] |
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| 59 | **** 0x1a -> ROAR CELT |
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| 60 | **** 0x1b -> ROAR SPEEX |
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[560] | 61 | |
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| 62 | RIFF/WAVE like 0x20: |
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| 63 | 76543210 |
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| 64 | 00000 0x20 -> RIFF/WAVE |
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[0] | 65 | */ |
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| 66 | |
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| 67 | #define ROAR_CODEC_IS_SIGNED(x) (((x) & ROAR_CODEC_UNSIGNED) == 0 ? 1 : 0) |
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| 68 | #define ROAR_CODEC_BYTE_ORDER(x) ((x) & 0x03) |
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| 69 | |
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| 70 | #define ROAR_CODEC_UNSIGNED (1 << 2) |
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| 71 | |
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| 72 | #define ROAR_CODEC_PCM_S_LE 0x01 |
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| 73 | #define ROAR_CODEC_PCM_S_BE 0x02 |
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| 74 | #define ROAR_CODEC_PCM_S_PDP 0x03 |
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| 75 | |
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| 76 | #define ROAR_CODEC_PCM_U_LE (ROAR_CODEC_PCM_S_LE | ROAR_CODEC_UNSIGNED) |
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| 77 | #define ROAR_CODEC_PCM_U_BE (ROAR_CODEC_PCM_S_BE | ROAR_CODEC_UNSIGNED) |
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| 78 | #define ROAR_CODEC_PCM_U_PDP (ROAR_CODEC_PCM_S_PDP | ROAR_CODEC_UNSIGNED) |
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| 79 | |
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[318] | 80 | #define ROAR_CODEC_MIDI_FILE 0x08 |
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| 81 | |
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| 82 | #define ROAR_CODEC_OGG_VORBIS 0x10 |
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| 83 | #define ROAR_CODEC_FLAC 0x11 /* native FLAC without Ogg container */ |
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| 84 | #define ROAR_CODEC_OGG_SPEEX 0x12 |
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| 85 | /* #define ROAR_CODEC_CELT/OGG_CELT 0x13 Reserved for CELT */ |
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| 86 | #define ROAR_CODEC_OGG_FLAC 0x14 |
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| 87 | #define ROAR_CODEC_OGG_GENERAL 0x15 |
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| 88 | |
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[329] | 89 | #define ROAR_CODEC_ROAR_CELT 0x1a |
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| 90 | #define ROAR_CODEC_ROAR_SPEEX 0x1b |
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| 91 | |
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[560] | 92 | |
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| 93 | #define ROAR_CODEC_RIFF_WAVE 0x20 |
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| 94 | |
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[0] | 95 | #if BYTE_ORDER == BIG_ENDIAN |
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| 96 | |
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| 97 | #define ROAR_CODEC_DEFAULT ROAR_CODEC_PCM_BE |
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| 98 | #define ROAR_BE2DEF(x) (x) |
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| 99 | |
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| 100 | #elif BYTE_ORDER == LITTLE_ENDIAN |
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| 101 | |
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| 102 | #define ROAR_CODEC_DEFAULT ROAR_CODEC_PCM_LE |
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| 103 | #define ROAR_LE2DEF(x) (x) |
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| 104 | |
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| 105 | #else |
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| 106 | |
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| 107 | #define ROAR_CODEC_DEFAULT ROAR_CODEC_PCM_PDP |
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| 108 | #define ROAR_PDP2DEF(x) (x) |
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| 109 | |
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| 110 | #endif |
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| 111 | |
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| 112 | |
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| 113 | #define ROAR_CODEC_NATIVE ROAR_CODEC_DEFAULT |
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| 114 | |
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| 115 | #define ROAR_BITS_MAX 32 |
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| 116 | |
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| 117 | #define ROAR_BITS_DEFAULT 16 |
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| 118 | #define ROAR_CHANNELS_DEFAULT 2 |
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| 119 | #define ROAR_RATE_DEFAULT 44100 |
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| 120 | |
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[16] | 121 | #define ROAR_MAX_CHANNELS 64 |
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| 122 | |
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[17] | 123 | #define ROAR_SET_VOL_ALL 1 |
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| 124 | #define ROAR_SET_VOL_ONE 2 |
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| 125 | |
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[393] | 126 | |
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[394] | 127 | #define ROAR_SPEEX_MAX_CC 256 |
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[622] | 128 | #define ROAR_SPEEX_MAGIC "RoarSpeex" |
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| 129 | #define ROAR_SPEEX_MAGIC_LEN 9 |
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[393] | 130 | #define ROAR_SPEEX_MODE_NB 1 |
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| 131 | #define ROAR_SPEEX_MODE_WB 2 |
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| 132 | #define ROAR_SPEEX_MODE_UWB 3 |
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| 133 | |
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[636] | 134 | #define ROAR_CELT_MAGIC "RoarCELT0" |
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| 135 | #define ROAR_CELT_MAGIC_LEN 9 |
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[393] | 136 | |
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[0] | 137 | struct roar_audio_info { |
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| 138 | unsigned int rate; |
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| 139 | unsigned int bits; |
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| 140 | unsigned int channels; |
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| 141 | unsigned int codec; |
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| 142 | }; |
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| 143 | |
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| 144 | struct roar_mixer_settings { |
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[17] | 145 | //unsigned channels; |
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[0] | 146 | roar_intm16 scale; |
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[319] | 147 | roar_intm16 rpg_mul; // rpg = ReplayGain |
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| 148 | roar_intm16 rpg_div; |
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[16] | 149 | roar_intm16 mixer[ROAR_MAX_CHANNELS]; |
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[0] | 150 | }; |
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| 151 | |
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| 152 | #endif |
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| 153 | |
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| 154 | //ll |
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