1 /* 2 * 3 * BlueZ - Bluetooth protocol stack for Linux 4 * 5 * Copyright (C) 2006-2010 Nokia Corporation 6 * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org> 7 * 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with this library; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 22 * 23 */ 24 25 #ifndef __GST_BLUEZ_A2DP_CODECS_H_INCLUDED__ 26 #define __GST_BLUEZ_A2DP_CODECS_H_INCLUDED__ 27 28 #include <glib.h> 29 30 #define A2DP_CODEC_SBC 0x00 31 #define A2DP_CODEC_MPEG12 0x01 32 #define A2DP_CODEC_MPEG24 0x02 33 #define A2DP_CODEC_ATRAC 0x03 34 #define A2DP_CODEC_VENDOR 0xFF 35 36 #define SBC_SAMPLING_FREQ_16000 (1 << 3) 37 #define SBC_SAMPLING_FREQ_32000 (1 << 2) 38 #define SBC_SAMPLING_FREQ_44100 (1 << 1) 39 #define SBC_SAMPLING_FREQ_48000 1 40 41 #define SBC_CHANNEL_MODE_MONO (1 << 3) 42 #define SBC_CHANNEL_MODE_DUAL_CHANNEL (1 << 2) 43 #define SBC_CHANNEL_MODE_STEREO (1 << 1) 44 #define SBC_CHANNEL_MODE_JOINT_STEREO 1 45 46 #define SBC_BLOCK_LENGTH_4 (1 << 3) 47 #define SBC_BLOCK_LENGTH_8 (1 << 2) 48 #define SBC_BLOCK_LENGTH_12 (1 << 1) 49 #define SBC_BLOCK_LENGTH_16 1 50 51 #define SBC_SUBBANDS_4 (1 << 1) 52 #define SBC_SUBBANDS_8 1 53 54 #define SBC_ALLOCATION_SNR (1 << 1) 55 #define SBC_ALLOCATION_LOUDNESS 1 56 57 #define MAX_BITPOOL 64 58 #define MIN_BITPOOL 2 59 60 #define MPEG_CHANNEL_MODE_MONO (1 << 3) 61 #define MPEG_CHANNEL_MODE_DUAL_CHANNEL (1 << 2) 62 #define MPEG_CHANNEL_MODE_STEREO (1 << 1) 63 #define MPEG_CHANNEL_MODE_JOINT_STEREO 1 64 65 #define MPEG_LAYER_MP1 (1 << 2) 66 #define MPEG_LAYER_MP2 (1 << 1) 67 #define MPEG_LAYER_MP3 1 68 69 #define MPEG_SAMPLING_FREQ_16000 (1 << 5) 70 #define MPEG_SAMPLING_FREQ_22050 (1 << 4) 71 #define MPEG_SAMPLING_FREQ_24000 (1 << 3) 72 #define MPEG_SAMPLING_FREQ_32000 (1 << 2) 73 #define MPEG_SAMPLING_FREQ_44100 (1 << 1) 74 #define MPEG_SAMPLING_FREQ_48000 1 75 76 #define MPEG_BIT_RATE_VBR 0x8000 77 #define MPEG_BIT_RATE_320000 0x4000 78 #define MPEG_BIT_RATE_256000 0x2000 79 #define MPEG_BIT_RATE_224000 0x1000 80 #define MPEG_BIT_RATE_192000 0x0800 81 #define MPEG_BIT_RATE_160000 0x0400 82 #define MPEG_BIT_RATE_128000 0x0200 83 #define MPEG_BIT_RATE_112000 0x0100 84 #define MPEG_BIT_RATE_96000 0x0080 85 #define MPEG_BIT_RATE_80000 0x0040 86 #define MPEG_BIT_RATE_64000 0x0020 87 #define MPEG_BIT_RATE_56000 0x0010 88 #define MPEG_BIT_RATE_48000 0x0008 89 #define MPEG_BIT_RATE_40000 0x0004 90 #define MPEG_BIT_RATE_32000 0x0002 91 #define MPEG_BIT_RATE_FREE 0x0001 92 93 #define AAC_OBJECT_TYPE_MPEG2_AAC_LC 0x80 94 #define AAC_OBJECT_TYPE_MPEG4_AAC_LC 0x40 95 #define AAC_OBJECT_TYPE_MPEG4_AAC_LTP 0x20 96 #define AAC_OBJECT_TYPE_MPEG4_AAC_SCALABLE 0x10 97 98 #define AAC_SAMPLING_FREQ_8000 0x0800 99 #define AAC_SAMPLING_FREQ_11025 0x0400 100 #define AAC_SAMPLING_FREQ_12000 0x0200 101 #define AAC_SAMPLING_FREQ_16000 0x0100 102 #define AAC_SAMPLING_FREQ_22050 0x0080 103 #define AAC_SAMPLING_FREQ_24000 0x0040 104 #define AAC_SAMPLING_FREQ_32000 0x0020 105 #define AAC_SAMPLING_FREQ_44100 0x0010 106 #define AAC_SAMPLING_FREQ_48000 0x0008 107 #define AAC_SAMPLING_FREQ_64000 0x0004 108 #define AAC_SAMPLING_FREQ_88200 0x0002 109 #define AAC_SAMPLING_FREQ_96000 0x0001 110 111 #define AAC_CHANNELS_1 0x02 112 #define AAC_CHANNELS_2 0x01 113 114 #if G_BYTE_ORDER == G_LITTLE_ENDIAN 115 116 typedef struct { 117 uint8_t channel_mode:4; 118 uint8_t frequency:4; 119 uint8_t allocation_method:2; 120 uint8_t subbands:2; 121 uint8_t block_length:4; 122 uint8_t min_bitpool; 123 uint8_t max_bitpool; 124 } __attribute__ ((packed)) a2dp_sbc_t; 125 126 typedef struct { 127 uint8_t channel_mode:4; 128 uint8_t crc:1; 129 uint8_t layer:3; 130 uint8_t frequency:6; 131 uint8_t mpf:1; 132 uint8_t rfa:1; 133 uint16_t bitrate; 134 } __attribute__ ((packed)) a2dp_mpeg_t; 135 136 typedef struct { 137 uint8_t object_type; 138 uint16_t frequency; 139 uint8_t rfa; 140 uint8_t channels; 141 uint8_t vbr; 142 uint32_t bitrate; 143 } __attribute__ ((packed)) a2dp_aac_t; 144 145 #elif G_BYTE_ORDER == G_BIG_ENDIAN 146 147 typedef struct { 148 uint8_t frequency:4; 149 uint8_t channel_mode:4; 150 uint8_t block_length:4; 151 uint8_t subbands:2; 152 uint8_t allocation_method:2; 153 uint8_t min_bitpool; 154 uint8_t max_bitpool; 155 } __attribute__ ((packed)) a2dp_sbc_t; 156 157 typedef struct { 158 uint8_t layer:3; 159 uint8_t crc:1; 160 uint8_t channel_mode:4; 161 uint8_t rfa:1; 162 uint8_t mpf:1; 163 uint8_t frequency:6; 164 uint16_t bitrate; 165 } __attribute__ ((packed)) a2dp_mpeg_t; 166 167 typedef struct { 168 uint8_t object_type; 169 uint16_t frequency:12; 170 uint8_t channels:2; 171 uint8_t rfa:2; 172 uint8_t vbr:1; 173 uint32_t bitrate:23; 174 } __attribute__ ((packed)) a2dp_aac_t; 175 176 #else 177 #error "Unknown byte order" 178 #endif 179 180 typedef struct { 181 uint8_t vendor_id[4]; 182 uint8_t codec_id[2]; 183 } __attribute__ ((packed)) a2dp_vendor_codec_t; 184 185 #endif /* #define __GST_BLUEZ_A2DP_CODECS_H_INCLUDED__ */ 186