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 #define SONY_VENDOR_ID 0x0000012d 115 #define LDAC_CODEC_ID 0x00aa 116 117 #define LDAC_SAMPLING_FREQ_44100 0x20 118 #define LDAC_SAMPLING_FREQ_48000 0x10 119 #define LDAC_SAMPLING_FREQ_88200 0x08 120 #define LDAC_SAMPLING_FREQ_96000 0x04 121 122 #define LDAC_CHANNEL_MODE_MONO 0x04 123 #define LDAC_CHANNEL_MODE_DUAL 0x02 124 #define LDAC_CHANNEL_MODE_STEREO 0x01 125 126 #define A2DP_GET_VENDOR_ID(a) ( \ 127 (((uint32_t)(a).vendor_id[0]) << 0) | \ 128 (((uint32_t)(a).vendor_id[1]) << 8) | \ 129 (((uint32_t)(a).vendor_id[2]) << 16) | \ 130 (((uint32_t)(a).vendor_id[3]) << 24) \ 131 ) 132 #define A2DP_GET_CODEC_ID(a) ((a).codec_id[0] | (((uint16_t)(a).codec_id[1]) << 8)) 133 134 #if G_BYTE_ORDER == G_LITTLE_ENDIAN 135 136 typedef struct { 137 uint8_t channel_mode:4; 138 uint8_t frequency:4; 139 uint8_t allocation_method:2; 140 uint8_t subbands:2; 141 uint8_t block_length:4; 142 uint8_t min_bitpool; 143 uint8_t max_bitpool; 144 } __attribute__ ((packed)) a2dp_sbc_t; 145 146 typedef struct { 147 uint8_t channel_mode:4; 148 uint8_t crc:1; 149 uint8_t layer:3; 150 uint8_t frequency:6; 151 uint8_t mpf:1; 152 uint8_t rfa:1; 153 uint16_t bitrate; 154 } __attribute__ ((packed)) a2dp_mpeg_t; 155 156 typedef struct { 157 uint8_t object_type; 158 uint16_t frequency; 159 uint8_t rfa; 160 uint8_t channels; 161 uint8_t vbr; 162 uint32_t bitrate; 163 } __attribute__ ((packed)) a2dp_aac_t; 164 165 #elif G_BYTE_ORDER == G_BIG_ENDIAN 166 167 typedef struct { 168 uint8_t frequency:4; 169 uint8_t channel_mode:4; 170 uint8_t block_length:4; 171 uint8_t subbands:2; 172 uint8_t allocation_method:2; 173 uint8_t min_bitpool; 174 uint8_t max_bitpool; 175 } __attribute__ ((packed)) a2dp_sbc_t; 176 177 typedef struct { 178 uint8_t layer:3; 179 uint8_t crc:1; 180 uint8_t channel_mode:4; 181 uint8_t rfa:1; 182 uint8_t mpf:1; 183 uint8_t frequency:6; 184 uint16_t bitrate; 185 } __attribute__ ((packed)) a2dp_mpeg_t; 186 187 typedef struct { 188 uint8_t object_type; 189 uint16_t frequency:12; 190 uint8_t channels:2; 191 uint8_t rfa:2; 192 uint8_t vbr:1; 193 uint32_t bitrate:23; 194 } __attribute__ ((packed)) a2dp_aac_t; 195 196 #else 197 #error "Unknown byte order" 198 #endif 199 200 typedef struct { 201 uint8_t vendor_id[4]; 202 uint8_t codec_id[2]; 203 } __attribute__ ((packed)) a2dp_vendor_codec_t; 204 205 typedef struct { 206 a2dp_vendor_codec_t info; 207 uint8_t frequency; 208 uint8_t channel_mode; 209 } __attribute__ ((packed)) a2dp_ldac_t; 210 211 #endif /* #define __GST_BLUEZ_A2DP_CODECS_H_INCLUDED__ */ 212