Upgrade bluez5_37 :Merge the code from private
[platform/upstream/bluez.git] / profiles / audio / a2dp-codecs.h
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 #define A2DP_CODEC_SBC                  0x00
26 #define A2DP_CODEC_MPEG12               0x01
27 #define A2DP_CODEC_MPEG24               0x02
28 #define A2DP_CODEC_ATRAC                0x03
29 #define A2DP_CODEC_VENDOR               0xFF
30
31 #define SBC_SAMPLING_FREQ_16000         (1 << 3)
32 #define SBC_SAMPLING_FREQ_32000         (1 << 2)
33 #define SBC_SAMPLING_FREQ_44100         (1 << 1)
34 #define SBC_SAMPLING_FREQ_48000         1
35
36 #define SBC_CHANNEL_MODE_MONO           (1 << 3)
37 #define SBC_CHANNEL_MODE_DUAL_CHANNEL   (1 << 2)
38 #define SBC_CHANNEL_MODE_STEREO         (1 << 1)
39 #define SBC_CHANNEL_MODE_JOINT_STEREO   1
40
41 #define SBC_BLOCK_LENGTH_4              (1 << 3)
42 #define SBC_BLOCK_LENGTH_8              (1 << 2)
43 #define SBC_BLOCK_LENGTH_12             (1 << 1)
44 #define SBC_BLOCK_LENGTH_16             1
45
46 #define SBC_SUBBANDS_4                  (1 << 1)
47 #define SBC_SUBBANDS_8                  1
48
49 #define SBC_ALLOCATION_SNR              (1 << 1)
50 #define SBC_ALLOCATION_LOUDNESS         1
51
52 #define MAX_BITPOOL 64
53 #define MIN_BITPOOL 2
54
55 #define MPEG_CHANNEL_MODE_MONO          (1 << 3)
56 #define MPEG_CHANNEL_MODE_DUAL_CHANNEL  (1 << 2)
57 #define MPEG_CHANNEL_MODE_STEREO        (1 << 1)
58 #define MPEG_CHANNEL_MODE_JOINT_STEREO  1
59
60 #define MPEG_LAYER_MP1                  (1 << 2)
61 #define MPEG_LAYER_MP2                  (1 << 1)
62 #define MPEG_LAYER_MP3                  1
63
64 #define MPEG_SAMPLING_FREQ_16000        (1 << 5)
65 #define MPEG_SAMPLING_FREQ_22050        (1 << 4)
66 #define MPEG_SAMPLING_FREQ_24000        (1 << 3)
67 #define MPEG_SAMPLING_FREQ_32000        (1 << 2)
68 #define MPEG_SAMPLING_FREQ_44100        (1 << 1)
69 #define MPEG_SAMPLING_FREQ_48000        1
70
71 #define MPEG_BIT_RATE_VBR               0x8000
72 #define MPEG_BIT_RATE_320000            0x4000
73 #define MPEG_BIT_RATE_256000            0x2000
74 #define MPEG_BIT_RATE_224000            0x1000
75 #define MPEG_BIT_RATE_192000            0x0800
76 #define MPEG_BIT_RATE_160000            0x0400
77 #define MPEG_BIT_RATE_128000            0x0200
78 #define MPEG_BIT_RATE_112000            0x0100
79 #define MPEG_BIT_RATE_96000             0x0080
80 #define MPEG_BIT_RATE_80000             0x0040
81 #define MPEG_BIT_RATE_64000             0x0020
82 #define MPEG_BIT_RATE_56000             0x0010
83 #define MPEG_BIT_RATE_48000             0x0008
84 #define MPEG_BIT_RATE_40000             0x0004
85 #define MPEG_BIT_RATE_32000             0x0002
86 #define MPEG_BIT_RATE_FREE              0x0001
87
88 #define AAC_OBJECT_TYPE_MPEG2_AAC_LC    0x80
89 #define AAC_OBJECT_TYPE_MPEG4_AAC_LC    0x40
90 #define AAC_OBJECT_TYPE_MPEG4_AAC_LTP   0x20
91 #define AAC_OBJECT_TYPE_MPEG4_AAC_SCA   0x10
92
93 #define AAC_SAMPLING_FREQ_8000          0x0800
94 #define AAC_SAMPLING_FREQ_11025         0x0400
95 #define AAC_SAMPLING_FREQ_12000         0x0200
96 #define AAC_SAMPLING_FREQ_16000         0x0100
97 #define AAC_SAMPLING_FREQ_22050         0x0080
98 #define AAC_SAMPLING_FREQ_24000         0x0040
99 #define AAC_SAMPLING_FREQ_32000         0x0020
100 #define AAC_SAMPLING_FREQ_44100         0x0010
101 #define AAC_SAMPLING_FREQ_48000         0x0008
102 #define AAC_SAMPLING_FREQ_64000         0x0004
103 #define AAC_SAMPLING_FREQ_88200         0x0002
104 #define AAC_SAMPLING_FREQ_96000         0x0001
105
106 #define AAC_CHANNELS_1                  0x02
107 #define AAC_CHANNELS_2                  0x01
108
109 #define AAC_GET_BITRATE(a) ((a).bitrate1 << 16 | \
110                                         (a).bitrate2 << 8 | (a).bitrate3)
111 #define AAC_GET_FREQUENCY(a) ((a).frequency1 << 4 | (a).frequency2)
112
113 #define AAC_SET_BITRATE(a, b) \
114         do { \
115                 (a).bitrate1 = (b >> 16) & 0x7f; \
116                 (a).bitrate2 = (b >> 8) & 0xff; \
117                 (a).bitrate3 = b & 0xff; \
118         } while (0)
119 #define AAC_SET_FREQUENCY(a, f) \
120         do { \
121                 (a).frequency1 = (f >> 4) & 0xff; \
122                 (a).frequency2 = f & 0x0f; \
123         } while (0)
124
125 #define AAC_INIT_BITRATE(b) \
126         .bitrate1 = (b >> 16) & 0x7f, \
127         .bitrate2 = (b >> 8) & 0xff, \
128         .bitrate3 = b & 0xff,
129 #define AAC_INIT_FREQUENCY(f) \
130         .frequency1 = (f >> 4) & 0xff, \
131         .frequency2 = f & 0x0f,
132
133 #define APTX_VENDOR_ID                  0x0000004f
134 #define APTX_CODEC_ID                   0x0001
135
136 #define APTX_CHANNEL_MODE_MONO          0x01
137 #define APTX_CHANNEL_MODE_STEREO        0x02
138
139 #define APTX_SAMPLING_FREQ_16000        0x08
140 #define APTX_SAMPLING_FREQ_32000        0x04
141 #define APTX_SAMPLING_FREQ_44100        0x02
142 #define APTX_SAMPLING_FREQ_48000        0x01
143
144 #define LDAC_VENDOR_ID                  0x0000012d
145 #define LDAC_CODEC_ID                   0x00aa
146
147 typedef struct {
148         uint32_t vendor_id;
149         uint16_t codec_id;
150 } __attribute__ ((packed)) a2dp_vendor_codec_t;
151
152 #if __BYTE_ORDER == __LITTLE_ENDIAN
153
154 typedef struct {
155         uint8_t channel_mode:4;
156         uint8_t frequency:4;
157         uint8_t allocation_method:2;
158         uint8_t subbands:2;
159         uint8_t block_length:4;
160         uint8_t min_bitpool;
161         uint8_t max_bitpool;
162 } __attribute__ ((packed)) a2dp_sbc_t;
163
164 typedef struct {
165         uint8_t channel_mode:4;
166         uint8_t crc:1;
167         uint8_t layer:3;
168         uint8_t frequency:6;
169         uint8_t mpf:1;
170         uint8_t rfa:1;
171         uint16_t bitrate;
172 } __attribute__ ((packed)) a2dp_mpeg_t;
173
174 typedef struct {
175         uint8_t object_type;
176         uint8_t frequency1;
177         uint8_t rfa:2;
178         uint8_t channels:2;
179         uint8_t frequency2:4;
180         uint8_t bitrate1:7;
181         uint8_t vbr:1;
182         uint8_t bitrate2;
183         uint8_t bitrate3;
184 } __attribute__ ((packed)) a2dp_aac_t;
185
186 typedef struct {
187         a2dp_vendor_codec_t info;
188         uint8_t channel_mode:4;
189         uint8_t frequency:4;
190 } __attribute__ ((packed)) a2dp_aptx_t;
191
192 typedef struct {
193         a2dp_vendor_codec_t info;
194         uint8_t unknown[2];
195 } __attribute__ ((packed)) a2dp_ldac_t;
196
197 #elif __BYTE_ORDER == __BIG_ENDIAN
198
199 typedef struct {
200         uint8_t frequency:4;
201         uint8_t channel_mode:4;
202         uint8_t block_length:4;
203         uint8_t subbands:2;
204         uint8_t allocation_method:2;
205         uint8_t min_bitpool;
206         uint8_t max_bitpool;
207 } __attribute__ ((packed)) a2dp_sbc_t;
208
209 typedef struct {
210         uint8_t layer:3;
211         uint8_t crc:1;
212         uint8_t channel_mode:4;
213         uint8_t rfa:1;
214         uint8_t mpf:1;
215         uint8_t frequency:6;
216         uint16_t bitrate;
217 } __attribute__ ((packed)) a2dp_mpeg_t;
218
219 typedef struct {
220         uint8_t object_type;
221         uint8_t frequency1;
222         uint8_t frequency2:4;
223         uint8_t channels:2;
224         uint8_t rfa:2;
225         uint8_t vbr:1;
226         uint8_t bitrate1:7;
227         uint8_t bitrate2;
228         uint8_t bitrate3;
229 } __attribute__ ((packed)) a2dp_aac_t;
230
231 typedef struct {
232         a2dp_vendor_codec_t info;
233         uint8_t frequency:4;
234         uint8_t channel_mode:4;
235 } __attribute__ ((packed)) a2dp_aptx_t;
236
237 #else
238 #error "Unknown byte order"
239 #endif