1 /******************************************************************************
2  *
3  *  Copyright (C) 2006-2016 Broadcom Corporation
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 /******************************************************************************
20  *
21  *  AVRCP definition and data types
22  *
23  ******************************************************************************/
24 #ifndef _AVRC_DEFS_H
25 #define _AVRC_DEFS_H
26 
27 #include "stack/include/bt_types.h"
28 
29 /*****************************************************************************
30  *  constants
31  ****************************************************************************/
32 
33 /* Profile revision numbers */
34 #define AVRC_REV_1_0 0x0100
35 #define AVRC_REV_1_3 0x0103
36 #define AVRC_REV_1_4 0x0104
37 #define AVRC_REV_1_5 0x0105
38 #define AVRC_REV_1_6 0x0106
39 
40 /* defines from the spec */
41 #define AVRC_PACKET_LEN 512 /* You must support 512 byte RC packets */
42 
43 #define AVRC_MIN_CONTROL_MTU 48 /* Minimum MTU for the control channel */
44 #define AVRC_MIN_BROWSE_MTU 335 /* Minimum MTU for the browsing channel */
45 
46 #define AVRC_META_PDU_OFFSET 4
47 #define AVRC_SUB_TYPE_LEN 4
48 #define AVRC_UID_SIZE 8
49 #define AVRC_FEATURE_MASK_SIZE 16
50 
51 /* command type codes */
52 #define AVRC_CMD_CTRL 0   /* Instruct a target to perform an operation */
53 #define AVRC_CMD_STATUS 1 /* Check a device's current status */
54 #define AVRC_CMD_SPEC_INQ                                                \
55   2                      /* Check whether a target supports a particular \
56                             control command; all operands are included */
57 #define AVRC_CMD_NOTIF 3 /* Notification of a change in a device's state */
58 #define AVRC_CMD_GEN_INQ                            \
59   4 /* Check whether a target supports a particular \
60        control command; operands are not included */
61 
62 /* response type codes */
63 #define AVRC_RSP_NOT_IMPL                                  \
64   8 /* The target does not implement the command specified \
65        by the opcode and operand,                          \
66        or doesn't implement the specified subunit */
67 #define AVRC_RSP_ACCEPT                                \
68   9 /* The target executed or is executing the command \
69        */
70 #define AVRC_RSP_REJ                                        \
71   10 /* The target implements the command specified by the  \
72         opcode but cannot respond because the current state \
73         of the target doesn't allow it */
74 #define AVRC_RSP_IN_TRANS                                  \
75   11 /* The target implements the status command but it is \
76         in a state of transition; the status command may   \
77         be retried at a future time */
78 #define AVRC_RSP_IMPL_STBL                               \
79   12 /* For specific inquiry or general inquiy commands, \
80         the target implements the command; for status    \
81         commands, the target returns stable and includes \
82         the status results */
83 #define AVRC_RSP_CHANGED                                    \
84   13 /* The response frame contains a notification that the \
85         target device's state has changed */
86 #define AVRC_RSP_INTERIM                                        \
87   15 /* For control commands, the target has accepted the       \
88         request but cannot return information within 100        \
89         milliseconds; for notify commands, the target accepted  \
90         the command, and will notify the controller of a change \
91         of target state at a future time */
92 
93 /* subunit type */
94 #define AVRC_SUB_MONITOR 0x00  /* Monitor */
95 #define AVRC_SUB_AUDIO 0x01    /* Audio */
96 #define AVRC_SUB_PRINTER 0x02  /* Printer */
97 #define AVRC_SUB_DISC 0x03     /* Disc */
98 #define AVRC_SUB_TAPE 0x04     /* Tape recorder/player */
99 #define AVRC_SUB_TUNER 0x05    /* Tuner */
100 #define AVRC_SUB_CA 0x06       /* CA */
101 #define AVRC_SUB_CAMERA 0x07   /* Camera */
102 #define AVRC_SUB_PANEL 0x09    /* Panel */
103 #define AVRC_SUB_BB 0x0A       /* Bulletin Board */
104 #define AVRC_SUB_CAM_STOR 0x0B /* Camera Storage */
105 #define AVRC_SUB_VENDOR 0x1C   /* Vendor unique */
106 #define AVRC_SUB_EXT 0x1E      /* Subunit type extended to next byte */
107 #define AVRC_SUB_UNIT 0x1F     /* Unit */
108 
109 /* opcodes - defined by 1394ta */
110 #define AVRC_OP_UNIT_INFO 0x30 /* Report unit information */
111 #define AVRC_OP_SUB_INFO 0x31  /* Report subunit information */
112 #define AVRC_OP_VENDOR 0x00    /* Vendor-dependent commands */
113 #define AVRC_OP_PASS_THRU 0x7C /* panel subunit opcode */
114 /* opcodes 80-9F and E0-FF are not used by 1394ta.  Sneak one for browsing */
115 #define AVRC_OP_BROWSE 0xFF  /* Browsing */
116 #define AVRC_OP_INVALID 0xFE /* invalid one */
117 
118 /* Company ID's
119 */
120 #define AVRC_CO_BLUETOOTH_SIG 0x00FFFFFF
121 #define AVRC_CO_WIDCOMM 0x00000361
122 #define AVRC_CO_BROADCOM 0x00001018
123 #define AVRC_CO_GOOGLE 0x00DAA119
124 #define AVRC_CO_METADATA \
125   0x00001958 /* Unique COMPANY ID for Metadata messages */
126 
127 /* State flag for Passthrough commands
128 */
129 #define AVRC_STATE_PRESS 0
130 #define AVRC_STATE_RELEASE 1
131 
132 /* Operation ID list for Passthrough commands
133 */
134 #define AVRC_ID_SELECT 0x00     /* select */
135 #define AVRC_ID_UP 0x01         /* up */
136 #define AVRC_ID_DOWN 0x02       /* down */
137 #define AVRC_ID_LEFT 0x03       /* left */
138 #define AVRC_ID_RIGHT 0x04      /* right */
139 #define AVRC_ID_RIGHT_UP 0x05   /* right-up */
140 #define AVRC_ID_RIGHT_DOWN 0x06 /* right-down */
141 #define AVRC_ID_LEFT_UP 0x07    /* left-up */
142 #define AVRC_ID_LEFT_DOWN 0x08  /* left-down */
143 #define AVRC_ID_ROOT_MENU 0x09  /* root menu */
144 #define AVRC_ID_SETUP_MENU 0x0A /* setup menu */
145 #define AVRC_ID_CONT_MENU 0x0B  /* contents menu */
146 #define AVRC_ID_FAV_MENU 0x0C   /* favorite menu */
147 #define AVRC_ID_EXIT 0x0D       /* exit */
148 #define AVRC_ID_0 0x20          /* 0 */
149 #define AVRC_ID_1 0x21          /* 1 */
150 #define AVRC_ID_2 0x22          /* 2 */
151 #define AVRC_ID_3 0x23          /* 3 */
152 #define AVRC_ID_4 0x24          /* 4 */
153 #define AVRC_ID_5 0x25          /* 5 */
154 #define AVRC_ID_6 0x26          /* 6 */
155 #define AVRC_ID_7 0x27          /* 7 */
156 #define AVRC_ID_8 0x28          /* 8 */
157 #define AVRC_ID_9 0x29          /* 9 */
158 #define AVRC_ID_DOT 0x2A        /* dot */
159 #define AVRC_ID_ENTER 0x2B      /* enter */
160 #define AVRC_ID_CLEAR 0x2C      /* clear */
161 #define AVRC_ID_CHAN_UP 0x30    /* channel up */
162 #define AVRC_ID_CHAN_DOWN 0x31  /* channel down */
163 #define AVRC_ID_PREV_CHAN 0x32  /* previous channel */
164 #define AVRC_ID_SOUND_SEL 0x33  /* sound select */
165 #define AVRC_ID_INPUT_SEL 0x34  /* input select */
166 #define AVRC_ID_DISP_INFO 0x35  /* display information */
167 #define AVRC_ID_HELP 0x36       /* help */
168 #define AVRC_ID_PAGE_UP 0x37    /* page up */
169 #define AVRC_ID_PAGE_DOWN 0x38  /* page down */
170 #define AVRC_ID_POWER 0x40      /* power */
171 #define AVRC_ID_VOL_UP 0x41     /* volume up */
172 #define AVRC_ID_VOL_DOWN 0x42   /* volume down */
173 #define AVRC_ID_MUTE 0x43       /* mute */
174 #define AVRC_ID_PLAY 0x44       /* play */
175 #define AVRC_ID_STOP 0x45       /* stop */
176 #define AVRC_ID_PAUSE 0x46      /* pause */
177 #define AVRC_ID_RECORD 0x47     /* record */
178 #define AVRC_ID_REWIND 0x48     /* rewind */
179 #define AVRC_ID_FAST_FOR 0x49   /* fast forward */
180 #define AVRC_ID_EJECT 0x4A      /* eject */
181 #define AVRC_ID_FORWARD 0x4B    /* forward */
182 #define AVRC_ID_BACKWARD 0x4C   /* backward */
183 #define AVRC_ID_ANGLE 0x50      /* angle */
184 #define AVRC_ID_SUBPICT 0x51    /* subpicture */
185 #define AVRC_ID_F1 0x71         /* F1 */
186 #define AVRC_ID_F2 0x72         /* F2 */
187 #define AVRC_ID_F3 0x73         /* F3 */
188 #define AVRC_ID_F4 0x74         /* F4 */
189 #define AVRC_ID_F5 0x75         /* F5 */
190 #define AVRC_ID_VENDOR 0x7E     /* vendor unique */
191 #define AVRC_KEYPRESSED_RELEASE 0x80
192 
193 /*****************************************************************************
194  *  Metadata transfer definitions
195  ****************************************************************************/
196 
197 /* Define the Metadata Packet types
198 */
199 #define AVRC_PKT_SINGLE 0
200 #define AVRC_PKT_START 1
201 #define AVRC_PKT_CONTINUE 2
202 #define AVRC_PKT_END 3
203 #define AVRC_PKT_TYPE_MASK 3
204 
205 /* Define the PDUs carried in the vendor dependant data
206 */
207 #define AVRC_PDU_GET_CAPABILITIES 0x10
208 #define AVRC_PDU_LIST_PLAYER_APP_ATTR 0x11
209 #define AVRC_PDU_LIST_PLAYER_APP_VALUES 0x12
210 #define AVRC_PDU_GET_CUR_PLAYER_APP_VALUE 0x13
211 #define AVRC_PDU_SET_PLAYER_APP_VALUE 0x14
212 #define AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT 0x15
213 #define AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT 0x16
214 #define AVRC_PDU_INFORM_DISPLAY_CHARSET 0x17
215 #define AVRC_PDU_INFORM_BATTERY_STAT_OF_CT 0x18
216 #define AVRC_PDU_GET_ELEMENT_ATTR 0x20
217 #define AVRC_PDU_GET_PLAY_STATUS 0x30
218 #define AVRC_PDU_REGISTER_NOTIFICATION 0x31
219 #define AVRC_PDU_REQUEST_CONTINUATION_RSP 0x40
220 #define AVRC_PDU_ABORT_CONTINUATION_RSP 0x41
221 /* added in 1.4 */
222 #define AVRC_PDU_SET_ABSOLUTE_VOLUME 0x50
223 #define AVRC_PDU_SET_ADDRESSED_PLAYER 0x60
224 #define AVRC_PDU_SET_BROWSED_PLAYER 0x70
225 #define AVRC_PDU_GET_FOLDER_ITEMS 0x71
226 #define AVRC_PDU_CHANGE_PATH 0x72
227 #define AVRC_PDU_GET_ITEM_ATTRIBUTES 0x73
228 #define AVRC_PDU_PLAY_ITEM 0x74
229 /* Added in post 1.5 */
230 #define AVRC_PDU_GET_TOTAL_NUM_OF_ITEMS 0x75
231 #define AVRC_PDU_SEARCH 0x80
232 #define AVRC_PDU_ADD_TO_NOW_PLAYING 0x90
233 #define AVRC_PDU_GENERAL_REJECT 0xA0
234 
235 /* Define the vendor unique id carried in the pass through data
236 */
237 #define AVRC_PDU_NEXT_GROUP 0x00
238 #define AVRC_PDU_PREV_GROUP 0x01
239 /* The only pass through vendor unique commands defined by AVRC are the group
240  *  navigation commands.
241  * The len for vendor unique data is 5
242  */
243 #define AVRC_PASS_THRU_GROUP_LEN 5
244 
245 #define AVRC_PDU_INVALID 0xff
246 /* 6.15.3 error status code for general reject */
247 /* Invalid command, sent if TG received a PDU that it did not understand. */
248 #define AVRC_STS_BAD_CMD 0x00
249 /* Invalid parameter, sent if the TG received a PDU with a parameter ID that it
250  * did not understand. Sent if there is only one parameter ID in the PDU. */
251 #define AVRC_STS_BAD_PARAM 0x01
252 /* Specified parameter not found., sent if the parameter ID is understood, but
253  * content is wrong or corrupted. */
254 #define AVRC_STS_NOT_FOUND 0x02
255 /* Internal Error, sent if there are error conditions not covered by a more
256  * specific error code. */
257 #define AVRC_STS_INTERNAL_ERR 0x03
258 /* Operation completed without error.  This is the status that should be
259  * returned if the operation was successful. */
260 #define AVRC_STS_NO_ERROR 0x04
261 /* UID Changed - The UIDs on the device have changed */
262 #define AVRC_STS_UID_CHANGED 0x05
263 /* #define AVRC_STS_GEN_ERROR   0x06    Unknown Error - now "reserved" */
264 /* Invalid Direction - The Direction parameter is invalid - Change Path*/
265 #define AVRC_STS_BAD_DIR 0x07
266 /* Not a Directory - The UID provided does not refer to a folder item -
267  *      Change Path */
268 #define AVRC_STS_NOT_DIR 0x08
269 /* Does Not Exist - The UID provided does not refer to any item - Change Path,
270  *      PlayItem, AddToNowPlaying, GetItemAttributes */
271 #define AVRC_STS_NOT_EXIST 0x09
272 /* Invalid Scope - The scope parameter is invalid - GetFolderItems, PlayItem,
273  *      AddToNowPlayer, GetItemAttributes */
274 #define AVRC_STS_BAD_SCOPE 0x0a
275 /* Range Out of Bounds - The start of range provided is not valid
276  *      GetFolderItems*/
277 #define AVRC_STS_BAD_RANGE 0x0b
278 /* UID is a Directory - The UID provided refers to a directory, which cannot be
279  * handled by this media player -  PlayItem, AddToNowPlaying */
280 #define AVRC_STS_UID_IS_DIR 0x0c
281 /* Media in Use - The media is not able to be used for this operation at this
282  * time - PlayItem, AddToNowPlaying */
283 #define AVRC_STS_IN_USE 0x0d
284 /* Now Playing List Full - No more items can be added to the Now Playing List -
285  * AddToNowPlaying*/
286 #define AVRC_STS_NOW_LIST_FULL 0x0e
287 /* Search Not Supported - The Browsed Media Player does not support search -
288  * Search */
289 #define AVRC_STS_SEARCH_NOT_SUP 0x0f
290 /* Search in Progress - A search operation is already in progress - Search*/
291 #define AVRC_STS_SEARCH_BUSY 0x10
292 /* Invalid Player Id - The specified Player Id does not refer to a valid player
293  * - SetAddressedPlayer, SetBrowsedPlayer*/
294 #define AVRC_STS_BAD_PLAYER_ID 0x11
295 /* Player Not Browsable - The Player Id supplied refers to a Media Player which
296  * does not support browsing - SetBrowsedPlayer */
297 #define AVRC_STS_PLAYER_N_BR 0x12
298 /* Player Not Addressed.  The Player Id supplied refers to a player which is not
299  * currently addressed, and the command is not able to be performed if the
300  * player is not set as addressed - Search, SetBrowsedPlayer*/
301 #define AVRC_STS_PLAYER_N_ADDR 0x13
302 /* No valid Search Results - The Search result list does not contain valid
303  * entries, e.g. after being invalidated due to change of browsed player -
304  * GetFolderItems */
305 #define AVRC_STS_BAD_SEARCH_RES 0x14
306 /* No available players ALL */
307 #define AVRC_STS_NO_AVAL_PLAYER 0x15
308 /* Addressed Player Changed - Register Notification */
309 #define AVRC_STS_ADDR_PLAYER_CHG 0x16
310 typedef uint8_t tAVRC_STS;
311 
312 /* Define the Capability IDs
313 */
314 #define AVRC_CAP_COMPANY_ID 0x02
315 #define AVRC_CAP_EVENTS_SUPPORTED 0x03
316 #define AVRC_COMPANY_ID_LEN 3
317 #define AVRC_CAPABILITY_OFFSET 2
318 
319 /* Define the Player Application Settings IDs
320 */
321 #define AVRC_PLAYER_SETTING_EQUALIZER 0x01
322 #define AVRC_PLAYER_SETTING_REPEAT 0x02
323 #define AVRC_PLAYER_SETTING_SHUFFLE 0x03
324 #define AVRC_PLAYER_SETTING_SCAN 0x04
325 #define AVRC_PLAYER_SETTING_LOW_MENU_EXT 0x80
326 #define AVRC_PLAYER_SETTING_HIGH_MENU_EXT 0xff
327 
328 /* Define the possible values of the Player Application Settings
329 */
330 #define AVRC_PLAYER_VAL_OFF 0x01
331 #define AVRC_PLAYER_VAL_ON 0x02
332 #define AVRC_PLAYER_VAL_SINGLE_REPEAT 0x02
333 #define AVRC_PLAYER_VAL_ALL_REPEAT 0x03
334 #define AVRC_PLAYER_VAL_GROUP_REPEAT 0x04
335 #define AVRC_PLAYER_VAL_ALL_SHUFFLE 0x02
336 #define AVRC_PLAYER_VAL_GROUP_SHUFFLE 0x03
337 #define AVRC_PLAYER_VAL_ALL_SCAN 0x02
338 #define AVRC_PLAYER_VAL_GROUP_SCAN 0x03
339 
340 /* Define the possible values of Battery Status PDU
341 */
342 #define AVRC_BATTERY_STATUS_NORMAL 0x00
343 #define AVRC_BATTERY_STATUS_WARNING 0x01
344 #define AVRC_BATTERY_STATUS_CRITICAL 0x02
345 #define AVRC_BATTERY_STATUS_EXTERNAL 0x03
346 #define AVRC_BATTERY_STATUS_FULL_CHARGE 0x04
347 typedef uint8_t tAVRC_BATTERY_STATUS;
348 
349 /* Define character set */
350 #define AVRC_CHAR_SET_SIZE 2
351 
352 /* Define the Media Attribute IDs
353 */
354 #define AVRC_MEDIA_ATTR_ID_TITLE 0x00000001
355 #define AVRC_MEDIA_ATTR_ID_ARTIST 0x00000002
356 #define AVRC_MEDIA_ATTR_ID_ALBUM 0x00000003
357 #define AVRC_MEDIA_ATTR_ID_TRACK_NUM 0x00000004
358 #define AVRC_MEDIA_ATTR_ID_NUM_TRACKS 0x00000005
359 #define AVRC_MEDIA_ATTR_ID_GENRE 0x00000006
360 #define AVRC_MEDIA_ATTR_ID_PLAYING_TIME 0x00000007 /* in miliseconds */
361 #define AVRC_MAX_NUM_MEDIA_ATTR_ID 7
362 
363 /* Define the possible values of play state
364 */
365 #define AVRC_PLAYSTATE_RESP_MSG_SIZE 9
366 #define AVRC_PLAYSTATE_STOPPED 0x00  /* Stopped */
367 #define AVRC_PLAYSTATE_PLAYING 0x01  /* Playing */
368 #define AVRC_PLAYSTATE_PAUSED 0x02   /* Paused  */
369 #define AVRC_PLAYSTATE_FWD_SEEK 0x03 /* Fwd Seek*/
370 #define AVRC_PLAYSTATE_REV_SEEK 0x04 /* Rev Seek*/
371 #define AVRC_PLAYSTATE_ERROR 0xFF    /* Error   */
372 typedef uint8_t tAVRC_PLAYSTATE;
373 
374 /* Define the events that can be registered for notifications
375 */
376 #define AVRC_EVT_PLAY_STATUS_CHANGE 0x01
377 #define AVRC_EVT_TRACK_CHANGE 0x02
378 #define AVRC_EVT_TRACK_REACHED_END 0x03
379 #define AVRC_EVT_TRACK_REACHED_START 0x04
380 #define AVRC_EVT_PLAY_POS_CHANGED 0x05
381 #define AVRC_EVT_BATTERY_STATUS_CHANGE 0x06
382 #define AVRC_EVT_SYSTEM_STATUS_CHANGE 0x07
383 #define AVRC_EVT_APP_SETTING_CHANGE 0x08
384 /* added in AVRCP 1.4 */
385 #define AVRC_EVT_NOW_PLAYING_CHANGE 0x09
386 #define AVRC_EVT_AVAL_PLAYERS_CHANGE 0x0a
387 #define AVRC_EVT_ADDR_PLAYER_CHANGE 0x0b
388 #define AVRC_EVT_UIDS_CHANGE 0x0c
389 #define AVRC_EVT_VOLUME_CHANGE 0x0d
390 
391 /* the number of events that can be registered for notifications */
392 #define AVRC_NUM_NOTIF_EVENTS 0x0d
393 
394 #define AVRC_EVT_MSG_LEN_1 0x01
395 #define AVRC_EVT_MSG_LEN_2 0x02
396 #define AVRC_EVT_MSG_LEN_5 0x05
397 #define AVRC_EVT_MSG_LEN_9 0x09
398 
399 #define AVRC_MAX_VOLUME 0x7F
400 
401 /* Define the possible values of system status
402 */
403 #define AVRC_SYSTEMSTATE_PWR_ON 0x00
404 #define AVRC_SYSTEMSTATE_PWR_OFF 0x01
405 #define AVRC_SYSTEMSTATE_PWR_UNPLUGGED 0x02
406 typedef uint8_t tAVRC_SYSTEMSTATE;
407 
408 /* the frequently used character set ids */
409 #define AVRC_CHARSET_ID_ASCII ((uint16_t)0x0003) /* ASCII */
410 #define AVRC_CHARSET_ID_UTF8 ((uint16_t)0x006a)  /* UTF-8 */
411 #define AVRC_CHARSET_ID_UTF16 ((uint16_t)0x03f7) /* 1015 */
412 #define AVRC_CHARSET_ID_UTF32 ((uint16_t)0x03f9) /* 1017 */
413 
414 /*****************************************************************************
415  *  Advanced Control
416  ****************************************************************************/
417 #define AVRC_ITEM_PLAYER 0x01
418 #define AVRC_ITEM_FOLDER 0x02
419 #define AVRC_ITEM_MEDIA 0x03
420 
421 /* Media Player Item - Contains all available media players */
422 #define AVRC_SCOPE_PLAYER_LIST 0x00
423 /* Folder Item, Media Element Item - The virtual filesystem containing the media
424  * content of the browsed player */
425 #define AVRC_SCOPE_FILE_SYSTEM 0x01
426 /* Media Element Item  The results of a search operation on the browsed player
427  */
428 #define AVRC_SCOPE_SEARCH 0x02
429 /* Media Element Item  The Now Playing list (or queue) of the addressed player
430  */
431 #define AVRC_SCOPE_NOW_PLAYING 0x03
432 
433 #define AVRC_FOLDER_ITEM_COUNT_NONE 0xFF
434 
435 /* folder type */
436 #define AVRC_FOLDER_TYPE_MIXED 0x00
437 #define AVRC_FOLDER_TYPE_TITLES 0x01
438 #define AVRC_FOLDER_TYPE_ALNUMS 0x02
439 #define AVRC_FOLDER_TYPE_ARTISTS 0x03
440 #define AVRC_FOLDER_TYPE_GENRES 0x04
441 #define AVRC_FOLDER_TYPE_PLAYLISTS 0x05
442 #define AVRC_FOLDER_TYPE_YEARS 0x06
443 
444 /* major player type */
445 #define AVRC_MJ_TYPE_AUDIO 0x01    /* Audio */
446 #define AVRC_MJ_TYPE_VIDEO 0x02    /* Video */
447 #define AVRC_MJ_TYPE_BC_AUDIO 0x04 /* Broadcasting Audio */
448 #define AVRC_MJ_TYPE_BC_VIDEO 0x08 /* Broadcasting Video */
449 #define AVRC_MJ_TYPE_INVALID 0xF0
450 
451 /* player sub type */
452 #define AVRC_SUB_TYPE_NONE 0x00
453 #define AVRC_SUB_TYPE_AUDIO_BOOK 0x01 /* Audio Book */
454 #define AVRC_SUB_TYPE_PODCAST 0x02    /* Podcast */
455 #define AVRC_SUB_TYPE_INVALID 0xFC
456 
457 /* media item - media type */
458 #define AVRC_MEDIA_TYPE_AUDIO 0x00
459 #define AVRC_MEDIA_TYPE_VIDEO 0x01
460 
461 #define AVRC_DIR_UP 0x00   /* Folder Up */
462 #define AVRC_DIR_DOWN 0x01 /* Folder Down */
463 
464 #define AVRC_UID_SIZE 8
465 typedef uint8_t tAVRC_UID[AVRC_UID_SIZE];
466 
467 /*****************************************************************************
468  *  player attribute - supported features
469  ****************************************************************************/
470 #define AVRC_PF_SELECT_BIT_NO 0
471 #define AVRC_PF_SELECT_MASK 0x01
472 #define AVRC_PF_SELECT_OFF 0
473 #define AVRC_PF_SELECT_SUPPORTED(x) \
474   ((x)[AVRC_PF_SELECT_OFF] & AVRC_PF_SELECT_MASK)
475 
476 #define AVRC_PF_UP_BIT_NO 1
477 #define AVRC_PF_UP_MASK 0x02
478 #define AVRC_PF_UP_OFF 0
479 #define AVRC_PF_UP_SUPPORTED(x) ((x)[AVRC_PF_UP_OFF] & AVRC_PF_UP_MASK)
480 
481 #define AVRC_PF_DOWN_BIT_NO 2
482 #define AVRC_PF_DOWN_MASK 0x04
483 #define AVRC_PF_DOWN_OFF 0
484 #define AVRC_PF_DOWN_SUPPORTED(x) ((x)[AVRC_PF_DOWN_OFF] & AVRC_PF_DOWN_MASK)
485 
486 #define AVRC_PF_LEFT_BIT_NO 3
487 #define AVRC_PF_LEFT_MASK 0x08
488 #define AVRC_PF_LEFT_OFF 0
489 #define AVRC_PF_LEFT_SUPPORTED(x) ((x)[AVRC_PF_LEFT_OFF] & AVRC_PF_LEFT_MASK)
490 
491 #define AVRC_PF_RIGHT_BIT_NO 4
492 #define AVRC_PF_RIGHT_MASK 0x10
493 #define AVRC_PF_RIGHT_OFF 0
494 #define AVRC_PF_RIGHT_SUPPORTED(x) ((x)[AVRC_PF_RIGHT_OFF] & AVRC_PF_RIGHT_MASK)
495 
496 #define AVRC_PF_RIGHTUP_BIT_NO 5
497 #define AVRC_PF_RIGHTUP_MASK 0x20
498 #define AVRC_PF_RIGHTUP_OFF 0
499 #define AVRC_PF_RIGHTUP_SUPPORTED(x) \
500   ((x)[AVRC_PF_RIGHTUP_OFF] & AVRC_PF_RIGHTUP_MASK)
501 
502 #define AVRC_PF_RIGHTDOWN_BIT_NO 6
503 #define AVRC_PF_RIGHTDOWN_MASK 0x40
504 #define AVRC_PF_RIGHTDOWN_OFF 0
505 #define AVRC_PF_RIGHTDOWN_SUPPORTED(x) \
506   ((x)[AVRC_PF_RIGHTDOWN_OFF] & AVRC_PF_RIGHTDOWN_MASK)
507 
508 #define AVRC_PF_LEFTUP_BIT_NO 7
509 #define AVRC_PF_LEFTUP_MASK 0x80
510 #define AVRC_PF_LEFTUP_OFF 0
511 #define AVRC_PF_LEFTUP_SUPPORTED(x) \
512   ((x)[AVRC_PF_LEFTUP_OFF] & AVRC_PF_LEFTUP_MASK)
513 
514 #define AVRC_PF_LEFTDOWN_BIT_NO 8
515 #define AVRC_PF_LEFTDOWN_MASK 0x01
516 #define AVRC_PF_LEFTDOWN_OFF 1
517 #define AVRC_PF_LEFTDOWN_SUPPORTED(x) \
518   ((x)[AVRC_PF_LEFTDOWN_OFF] & AVRC_PF_LEFTDOWN_MASK)
519 
520 #define AVRC_PF_ROOT_MENU_BIT_NO 9
521 #define AVRC_PF_ROOT_MENU_MASK 0x02
522 #define AVRC_PF_ROOT_MENU_OFF 1
523 #define AVRC_PF_ROOT_MENU_SUPPORTED(x) \
524   ((x)[AVRC_PF_ROOT_MENU_OFF] & AVRC_PF_ROOT_MENU_MASK)
525 
526 #define AVRC_PF_SETUP_MENU_BIT_NO 10
527 #define AVRC_PF_SETUP_MENU_MASK 0x04
528 #define AVRC_PF_SETUP_MENU_OFF 1
529 #define AVRC_PF_SETUP_MENU_SUPPORTED(x) \
530   ((x)[AVRC_PF_SETUP_MENU_OFF] & AVRC_PF_SETUP_MENU_MASK)
531 
532 #define AVRC_PF_CONTENTS_MENU_BIT_NO 11
533 #define AVRC_PF_CONTENTS_MENU_MASK 0x08
534 #define AVRC_PF_CONTENTS_MENU_OFF 1
535 #define AVRC_PF_CONTENTS_MENU_SUPPORTED(x) \
536   ((x)[AVRC_PF_CONTENTS_MENU_OFF] & AVRC_PF_CONTENTS_MENU_MASK)
537 
538 #define AVRC_PF_FAVORITE_MENU_BIT_NO 12
539 #define AVRC_PF_FAVORITE_MENU_MASK 0x10
540 #define AVRC_PF_FAVORITE_MENU_OFF 1
541 #define AVRC_PF_FAVORITE_MENU_SUPPORTED(x) \
542   ((x)[AVRC_PF_FAVORITE_MENU_OFF] & AVRC_PF_FAVORITE_MENU_MASK)
543 
544 #define AVRC_PF_EXIT_BIT_NO 13
545 #define AVRC_PF_EXIT_MASK 0x20
546 #define AVRC_PF_EXIT_OFF 1
547 #define AVRC_PF_EXIT_SUPPORTED(x) ((x)[AVRC_PF_EXIT_OFF] & AVRC_PF_EXIT_MASK)
548 
549 #define AVRC_PF_0_BIT_NO 14
550 #define AVRC_PF_0_MASK 0x40
551 #define AVRC_PF_0_OFF 1
552 #define AVRC_PF_0_SUPPORTED(x) ((x)[AVRC_PF_0_OFF] & AVRC_PF_0_MASK)
553 
554 #define AVRC_PF_1_BIT_NO 15
555 #define AVRC_PF_1_MASK 0x80
556 #define AVRC_PF_1_OFF 1
557 #define AVRC_PF_1_SUPPORTED(x) ((x)[AVRC_PF_1_OFF] & AVRC_PF_1_MASK)
558 
559 #define AVRC_PF_2_BIT_NO 16
560 #define AVRC_PF_2_MASK 0x01
561 #define AVRC_PF_2_OFF 2
562 #define AVRC_PF_2_SUPPORTED(x) ((x)[AVRC_PF_2_OFF] & AVRC_PF_2_MASK)
563 
564 #define AVRC_PF_3_BIT_NO 17
565 #define AVRC_PF_3_MASK 0x02
566 #define AVRC_PF_3_OFF 2
567 #define AVRC_PF_3_SUPPORTED(x) ((x)[AVRC_PF_3_OFF] & AVRC_PF_3_MASK)
568 
569 #define AVRC_PF_4_BIT_NO 18
570 #define AVRC_PF_4_MASK 0x04
571 #define AVRC_PF_4_OFF 2
572 #define AVRC_PF_4_SUPPORTED(x) ((x)[AVRC_PF_4_OFF] & AVRC_PF_4_MASK)
573 
574 #define AVRC_PF_5_BIT_NO 19
575 #define AVRC_PF_5_MASK 0x08
576 #define AVRC_PF_5_OFF 2
577 #define AVRC_PF_5_SUPPORTED(x) ((x)[AVRC_PF_5_OFF] & AVRC_PF_5_MASK)
578 
579 #define AVRC_PF_6_BIT_NO 20
580 #define AVRC_PF_6_MASK 0x10
581 #define AVRC_PF_6_OFF 2
582 #define AVRC_PF_6_SUPPORTED(x) ((x)[AVRC_PF_6_OFF] & AVRC_PF_6_MASK)
583 
584 #define AVRC_PF_7_BIT_NO 21
585 #define AVRC_PF_7_MASK 0x20
586 #define AVRC_PF_7_OFF 2
587 #define AVRC_PF_7_SUPPORTED(x) ((x)[AVRC_PF_7_OFF] & AVRC_PF_7_MASK)
588 
589 #define AVRC_PF_8_BIT_NO 22
590 #define AVRC_PF_8_MASK 0x40
591 #define AVRC_PF_8_OFF 2
592 #define AVRC_PF_8_SUPPORTED(x) ((x)[AVRC_PF_8_OFF] & AVRC_PF_8_MASK)
593 
594 #define AVRC_PF_9_BIT_NO 23
595 #define AVRC_PF_9_MASK 0x80
596 #define AVRC_PF_9_OFF 2
597 #define AVRC_PF_9_SUPPORTED(x) ((x)[AVRC_PF_9_OFF] & AVRC_PF_9_MASK)
598 
599 #define AVRC_PF_DOT_BIT_NO 24
600 #define AVRC_PF_DOT_MASK 0x01
601 #define AVRC_PF_DOT_OFF 3
602 #define AVRC_PF_DOT_SUPPORTED(x) ((x)[AVRC_PF_DOT_OFF] & AVRC_PF_DOT_MASK)
603 
604 #define AVRC_PF_ENTER_BIT_NO 25
605 #define AVRC_PF_ENTER_MASK 0x02
606 #define AVRC_PF_ENTER_OFF 3
607 #define AVRC_PF_ENTER_SUPPORTED(x) ((x)[AVRC_PF_ENTER_OFF] & AVRC_PF_ENTER_MASK)
608 
609 #define AVRC_PF_CLEAR_BIT_NO 26
610 #define AVRC_PF_CLEAR_MASK 0x04
611 #define AVRC_PF_CLEAR_OFF 3
612 #define AVRC_PF_CLEAR_SUPPORTED(x) ((x)[AVRC_PF_CLEAR_OFF] & AVRC_PF_CLEAR_MASK)
613 
614 #define AVRC_PF_CHNL_UP_BIT_NO 27
615 #define AVRC_PF_CHNL_UP_MASK 0x08
616 #define AVRC_PF_CHNL_UP_OFF 3
617 #define AVRC_PF_CHNL_UP_SUPPORTED(x) \
618   ((x)[AVRC_PF_CHNL_UP_OFF] & AVRC_PF_CHNL_UP_MASK)
619 
620 #define AVRC_PF_CHNL_DOWN_BIT_NO 28
621 #define AVRC_PF_CHNL_DOWN_MASK 0x10
622 #define AVRC_PF_CHNL_DOWN_OFF 3
623 #define AVRC_PF_CHNL_DOWN_SUPPORTED(x) \
624   ((x)[AVRC_PF_CHNL_DOWN_OFF] & AVRC_PF_CHNL_DOWN_MASK)
625 
626 #define AVRC_PF_PREV_CHNL_BIT_NO 29
627 #define AVRC_PF_PREV_CHNL_MASK 0x20
628 #define AVRC_PF_PREV_CHNL_OFF 3
629 #define AVRC_PF_PREV_CHNL_SUPPORTED(x) \
630   ((x)[AVRC_PF_PREV_CHNL_OFF] & AVRC_PF_PREV_CHNL_MASK)
631 
632 #define AVRC_PF_SOUND_SEL_BIT_NO 30
633 #define AVRC_PF_SOUND_SEL_MASK 0x40
634 #define AVRC_PF_SOUND_SEL_OFF 3
635 #define AVRC_PF_SOUND_SEL_SUPPORTED(x) \
636   ((x)[AVRC_PF_SOUND_SEL_OFF] & AVRC_PF_SOUND_SEL_MASK)
637 
638 #define AVRC_PF_INPUT_SEL_BIT_NO 31
639 #define AVRC_PF_INPUT_SEL_MASK 0x80
640 #define AVRC_PF_INPUT_SEL_OFF 3
641 #define AVRC_PF_INPUT_SEL_SUPPORTED(x) \
642   ((x)[AVRC_PF_INPUT_SEL_OFF] & AVRC_PF_INPUT_SEL_MASK)
643 
644 #define AVRC_PF_DISP_INFO_BIT_NO 32
645 #define AVRC_PF_DISP_INFO_MASK 0x01
646 #define AVRC_PF_DISP_INFO_OFF 4
647 #define AVRC_PF_DISP_INFO_SUPPORTED(x) \
648   ((x)[AVRC_PF_DISP_INFO_OFF] & AVRC_PF_DISP_INFO_MASK)
649 
650 #define AVRC_PF_HELP_BIT_NO 33
651 #define AVRC_PF_HELP_MASK 0x02
652 #define AVRC_PF_HELP_OFF 4
653 #define AVRC_PF_HELP_SUPPORTED(x) ((x)[AVRC_PF_HELP_OFF] & AVRC_PF_HELP_MASK)
654 
655 #define AVRC_PF_PAGE_UP_BIT_NO 34
656 #define AVRC_PF_PAGE_UP_MASK 0x04
657 #define AVRC_PF_PAGE_UP_OFF 4
658 #define AVRC_PF_PAGE_UP_SUPPORTED(x) \
659   ((x)[AVRC_PF_PAGE_UP_OFF] & AVRC_PF_PAGE_UP_MASK)
660 
661 #define AVRC_PF_PAGE_DOWN_BIT_NO 35
662 #define AVRC_PF_PAGE_DOWN_MASK 0x08
663 #define AVRC_PF_PAGE_DOWN_OFF 4
664 #define AVRC_PF_PAGE_DOWN_SUPPORTED(x) \
665   ((x)[AVRC_PF_PAGE_DOWN_OFF] & AVRC_PF_PAGE_DOWN_MASK)
666 
667 #define AVRC_PF_POWER_BIT_NO 36
668 #define AVRC_PF_POWER_MASK 0x10
669 #define AVRC_PF_POWER_OFF 4
670 #define AVRC_PF_POWER_SUPPORTED(x) ((x)[AVRC_PF_POWER_OFF] & AVRC_PF_POWER_MASK)
671 
672 #define AVRC_PF_VOL_UP_BIT_NO 37
673 #define AVRC_PF_VOL_UP_MASK 0x20
674 #define AVRC_PF_VOL_UP_OFF 4
675 #define AVRC_PF_VOL_UP_SUPPORTED(x) \
676   ((x)[AVRC_PF_VOL_UP_OFF] & AVRC_PF_VOL_UP_MASK)
677 
678 #define AVRC_PF_VOL_DOWN_BIT_NO 38
679 #define AVRC_PF_VOL_DOWN_MASK 0x40
680 #define AVRC_PF_VOL_DOWN_OFF 4
681 #define AVRC_PF_VOL_DOWN_SUPPORTED(x) \
682   ((x)[AVRC_PF_VOL_DOWN_OFF] & AVRC_PF_VOL_DOWN_MASK)
683 
684 #define AVRC_PF_MUTE_BIT_NO 39
685 #define AVRC_PF_MUTE_MASK 0x80
686 #define AVRC_PF_MUTE_OFF 4
687 #define AVRC_PF_MUTE_SUPPORTED(x) ((x)[AVRC_PF_MUTE_OFF] & AVRC_PF_MUTE_MASK)
688 
689 #define AVRC_PF_PLAY_BIT_NO 40
690 #define AVRC_PF_PLAY_MASK 0x01
691 #define AVRC_PF_PLAY_OFF 5
692 #define AVRC_PF_PLAY_SUPPORTED(x) ((x)[AVRC_PF_PLAY_OFF] & AVRC_PF_PLAY_MASK)
693 
694 #define AVRC_PF_STOP_BIT_NO 41
695 #define AVRC_PF_STOP_MASK 0x02
696 #define AVRC_PF_STOP_OFF 5
697 #define AVRC_PF_STOP_SUPPORTED(x) ((x)[AVRC_PF_STOP_OFF] & AVRC_PF_STOP_MASK)
698 
699 #define AVRC_PF_PAUSE_BIT_NO 42
700 #define AVRC_PF_PAUSE_MASK 0x04
701 #define AVRC_PF_PAUSE_OFF 5
702 #define AVRC_PF_PAUSE_SUPPORTED(x) ((x)[AVRC_PF_PAUSE_OFF] & AVRC_PF_PAUSE_MASK)
703 
704 #define AVRC_PF_RECORD_BIT_NO 43
705 #define AVRC_PF_RECORD_MASK 0x08
706 #define AVRC_PF_RECORD_OFF 5
707 #define AVRC_PF_RECORD_SUPPORTED(x) \
708   ((x)[AVRC_PF_RECORD_OFF] & AVRC_PF_RECORD_MASK)
709 
710 #define AVRC_PF_REWIND_BIT_NO 44
711 #define AVRC_PF_REWIND_MASK 0x10
712 #define AVRC_PF_REWIND_OFF 5
713 #define AVRC_PF_REWIND_SUPPORTED(x) \
714   ((x)[AVRC_PF_REWIND_OFF] & AVRC_PF_REWIND_MASK)
715 
716 #define AVRC_PF_FAST_FWD_BIT_NO 45
717 #define AVRC_PF_FAST_FWD_MASK 0x20
718 #define AVRC_PF_FAST_FWD_OFF 5
719 #define AVRC_PF_FAST_FWD_SUPPORTED(x) \
720   ((x)[AVRC_PF_FAST_FWD_OFF] & AVRC_PF_FAST_FWD_MASK)
721 
722 #define AVRC_PF_EJECT_BIT_NO 46
723 #define AVRC_PF_EJECT_MASK 0x40
724 #define AVRC_PF_EJECT_OFF 5
725 #define AVRC_PF_EJECT_SUPPORTED(x) ((x)[AVRC_PF_EJECT_OFF] & AVRC_PF_EJECT_MASK)
726 
727 #define AVRC_PF_FORWARD_BIT_NO 47
728 #define AVRC_PF_FORWARD_MASK 0x80
729 #define AVRC_PF_FORWARD_OFF 5
730 #define AVRC_PF_FORWARD_SUPPORTED(x) \
731   ((x)[AVRC_PF_FORWARD_OFF] & AVRC_PF_FORWARD_MASK)
732 
733 #define AVRC_PF_BACKWARD_BIT_NO 48
734 #define AVRC_PF_BACKWARD_MASK 0x01
735 #define AVRC_PF_BACKWARD_OFF 6
736 #define AVRC_PF_BACKWARD_SUPPORTED(x) \
737   ((x)[AVRC_PF_BACKWARD_OFF] & AVRC_PF_BACKWARD_MASK)
738 
739 #define AVRC_PF_ANGLE_BIT_NO 49
740 #define AVRC_PF_ANGLE_MASK 0x02
741 #define AVRC_PF_ANGLE_OFF 6
742 #define AVRC_PF_ANGLE_SUPPORTED(x) ((x)[AVRC_PF_ANGLE_OFF] & AVRC_PF_ANGLE_MASK)
743 
744 #define AVRC_PF_SUBPICTURE_BIT_NO 50
745 #define AVRC_PF_SUBPICTURE_MASK 0x04
746 #define AVRC_PF_SUBPICTURE_OFF 6
747 #define AVRC_PF_SUBPICTURE_SUPPORTED(x) \
748   ((x)[AVRC_PF_SUBPICTURE_OFF] & AVRC_PF_SUBPICTURE_MASK)
749 
750 #define AVRC_PF_F1_BIT_NO 51
751 #define AVRC_PF_F1_MASK 0x08
752 #define AVRC_PF_F1_OFF 6
753 #define AVRC_PF_F1_SUPPORTED(x) ((x)[AVRC_PF_F1_OFF] & AVRC_PF_F1_MASK)
754 
755 #define AVRC_PF_F2_BIT_NO 52
756 #define AVRC_PF_F2_MASK 0x10
757 #define AVRC_PF_F2_OFF 6
758 #define AVRC_PF_F2_SUPPORTED(x) ((x)[AVRC_PF_F2_OFF] & AVRC_PF_F2_MASK)
759 
760 #define AVRC_PF_F3_BIT_NO 53
761 #define AVRC_PF_F3_MASK 0x20
762 #define AVRC_PF_F3_OFF 6
763 #define AVRC_PF_F3_SUPPORTED(x) ((x)[AVRC_PF_F3_OFF] & AVRC_PF_F3_MASK)
764 
765 #define AVRC_PF_F4_BIT_NO 54
766 #define AVRC_PF_F4_MASK 0x40
767 #define AVRC_PF_F4_OFF 6
768 #define AVRC_PF_F4_SUPPORTED(x) ((x)[AVRC_PF_F4_OFF] & AVRC_PF_F4_MASK)
769 
770 #define AVRC_PF_F5_BIT_NO 55
771 #define AVRC_PF_F5_MASK 0x80
772 #define AVRC_PF_F5_OFF 6
773 #define AVRC_PF_F5_SUPPORTED(x) ((x)[AVRC_PF_F5_OFF] & AVRC_PF_F5_MASK)
774 
775 /* Vendor unique. This PASSTHROUGH command is supported. */
776 #define AVRC_PF_VENDOR_BIT_NO 56
777 #define AVRC_PF_VENDOR_MASK 0x01
778 #define AVRC_PF_VENDOR_OFF 7
779 #define AVRC_PF_VENDOR_SUPPORTED(x) \
780   ((x)[AVRC_PF_VENDOR_OFF] & AVRC_PF_VENDOR_MASK)
781 
782 /* Basic Group Navigation.  This overrules the SDP entry as it is set per
783  * player.7 */
784 #define AVRC_PF_GROUP_NAVI_BIT_NO 57
785 #define AVRC_PF_GROUP_NAVI_MASK 0x02
786 #define AVRC_PF_GROUP_NAVI_OFF 7
787 #define AVRC_PF_GROUP_NAVI_SUPPORTED(x) \
788   ((x)[AVRC_PF_GROUP_NAVI_OFF] & AVRC_PF_GROUP_NAVI_MASK)
789 
790 /* Advanced Control Player.  This bit is set if the player supports at least
791  * AVRCP 1.4. */
792 #define AVRC_PF_ADV_CTRL_BIT_NO 58
793 #define AVRC_PF_ADV_CTRL_MASK 0x04
794 #define AVRC_PF_ADV_CTRL_OFF 7
795 #define AVRC_PF_ADV_CTRL_SUPPORTED(x) \
796   ((x)[AVRC_PF_ADV_CTRL_OFF] & AVRC_PF_ADV_CTRL_MASK)
797 
798 /* Browsing.  This bit is set if the player supports browsing. */
799 #define AVRC_PF_BROWSE_BIT_NO 59
800 #define AVRC_PF_BROWSE_MASK 0x08
801 #define AVRC_PF_BROWSE_OFF 7
802 #define AVRC_PF_BROWSE_SUPPORTED(x) \
803   ((x)[AVRC_PF_BROWSE_OFF] & AVRC_PF_BROWSE_MASK)
804 
805 /* Searching. This bit is set if the player supports searching. */
806 #define AVRC_PF_SEARCH_BIT_NO 60
807 #define AVRC_PF_SEARCH_MASK 0x10
808 #define AVRC_PF_SEARCH_OFF 7
809 #define AVRC_PF_SEARCH_SUPPORTED(x) \
810   ((x)[AVRC_PF_SEARCH_OFF] & AVRC_PF_SEARCH_MASK)
811 
812 /* AddToNowPlaying.  This bit is set if the player supports the AddToNowPlaying
813  * command. */
814 #define AVRC_PF_ADD2NOWPLAY_BIT_NO 61
815 #define AVRC_PF_ADD2NOWPLAY_MASK 0x20
816 #define AVRC_PF_ADD2NOWPLAY_OFF 7
817 #define AVRC_PF_ADD2NOWPLAY_SUPPORTED(x) \
818   ((x)[AVRC_PF_ADD2NOWPLAY_OFF] & AVRC_PF_ADD2NOWPLAY_MASK)
819 
820 /* UIDs unique in player browse tree.  This bit is set if the player is able to
821  * maintain unique UIDs across the player browse tree. */
822 #define AVRC_PF_UID_UNIQUE_BIT_NO 62
823 #define AVRC_PF_UID_UNIQUE_MASK 0x40
824 #define AVRC_PF_UID_UNIQUE_OFF 7
825 #define AVRC_PF_UID_UNIQUE_SUPPORTED(x) \
826   ((x)[AVRC_PF_UID_UNIQUE_OFF] & AVRC_PF_UID_UNIQUE_MASK)
827 
828 /* OnlyBrowsableWhenAddressed.  This bit is set if the player is only able to be
829  * browsed when it is set as the Addressed Player. */
830 #define AVRC_PF_BR_WH_ADDR_BIT_NO 63
831 #define AVRC_PF_BR_WH_ADDR_MASK 0x80
832 #define AVRC_PF_BR_WH_ADDR_OFF 7
833 #define AVRC_PF_BR_WH_ADDR_SUPPORTED(x) \
834   ((x)[AVRC_PF_BR_WH_ADDR_OFF] & AVRC_PF_BR_WH_ADDR_MASK)
835 
836 /* OnlySearchableWhenAddressed.  This bit is set if the player is only able to
837  * be searched when it is set as the Addressed player. */
838 #define AVRC_PF_SEARCH_WH_ADDR_BIT_NO 64
839 #define AVRC_PF_SEARCH_WH_ADDR_MASK 0x01
840 #define AVRC_PF_SEARCH_WH_ADDR_OFF 8
841 #define AVRC_PF_SEARCH_WH_ADDR_SUPPORTED(x) \
842   ((x)[AVRC_PF_SEARCH_WH_ADDR_OFF] & AVRC_PF_SEARCH_WH_ADDR_MASK)
843 
844 /* NowPlaying.  This bit is set if the player supports the NowPlaying folder.
845  * Note that for all players that support browsing this bit shall be set */
846 #define AVRC_PF_NOW_PLAY_BIT_NO 65
847 #define AVRC_PF_NOW_PLAY_MASK 0x02
848 #define AVRC_PF_NOW_PLAY_OFF 8
849 #define AVRC_PF_NOW_PLAY_SUPPORTED(x) \
850   ((x)[AVRC_PF_NOW_PLAY_OFF] & AVRC_PF_NOW_PLAY_MASK)
851 
852 /* UIDPersistency.  This bit is set if the Player is able to persist UID values
853  * between AVRCP Browse Reconnect */
854 #define AVRC_PF_UID_PERSIST_BIT_NO 66
855 #define AVRC_PF_UID_PERSIST_MASK 0x04
856 #define AVRC_PF_UID_PERSIST_OFF 8
857 #define AVRC_PF_UID_PERSIST_SUPPORTED(x) \
858   ((x)[AVRC_PF_UID_PERSIST_OFF] & AVRC_PF_UID_PERSIST_MASK)
859 
860 /* NumberOfItems. This bit is set if player supports the GetTotalNumberOfItems
861  * browsing command. */
862 #define AVRC_PF_GET_NUM_OF_ITEMS_BIT_NO 67
863 #define AVRC_PF_GET_NUM_OF_ITEMS_MASK 0x08
864 #define AVRC_PF_GET_NUM_OF_ITEMS_OFF 8
865 #define AVRC_PF_GET_NUM_OF_ITEMS_SUPPORTED(x) \
866   ((x)[AVRC_PF_GET_NUM_OF_ITEMS_OFF] & AVRC_PF_GET_NUM_OF_ITEMS_MASK)
867 
868 /*****************************************************************************
869  *  data type definitions
870  ****************************************************************************/
871 
872 /*
873 This structure contains the header parameters of an AV/C message.
874 */
875 typedef struct {
876   uint8_t ctype;        /* Command type.  */
877   uint8_t subunit_type; /* Subunit type. */
878   uint8_t subunit_id; /* Subunit ID.  This value is typically ignored in AVRCP,
879                        * except for VENDOR DEPENDENT messages when the value is
880                        * vendor-dependent.  Value range is 0-7. */
881   uint8_t opcode;     /* Op Code (passthrough, vendor, etc) */
882 } tAVRC_HDR;
883 
884 /* This structure contains a UNIT INFO message. */
885 typedef struct {
886   tAVRC_HDR hdr;       /* Message header. */
887   uint32_t company_id; /* Company identifier. */
888   uint8_t unit_type;   /* Unit type.  Uses the same values as subunit type. */
889   uint8_t unit;        /* This value is vendor dependent and typically zero.  */
890 } tAVRC_MSG_UNIT;
891 
892 /* This structure contains a SUBUNIT INFO message. */
893 typedef struct {
894   tAVRC_HDR hdr; /* Message header. */
895   uint8_t subunit_type[AVRC_SUB_TYPE_LEN];
896   /* Array containing subunit type values.  */
897   bool panel;   /* true if the panel subunit type is in the
898                  * subunit_type array, false otherwise. */
899   uint8_t page; /* Specifies which part of the subunit type table is
900                  * returned.  For AVRCP it is typically zero.
901                  * Value range is 0-7. */
902 } tAVRC_MSG_SUB;
903 
904 /* This structure contains a VENDOR DEPENDENT message. */
905 typedef struct {
906   tAVRC_HDR hdr;          /* Message header. */
907   uint32_t company_id;    /* Company identifier. */
908   uint8_t* p_vendor_data; /* Pointer to vendor dependent data. */
909   uint16_t vendor_len;    /* Length in bytes of vendor dependent data. */
910 } tAVRC_MSG_VENDOR;
911 
912 /* PASS THROUGH message structure */
913 typedef struct {
914   tAVRC_HDR hdr;        /* hdr.ctype Unused.
915                          * hdr.subunit_type Unused.
916                          * hdr.subunit_id Unused. */
917   uint8_t op_id;        /* Operation ID.  */
918   uint8_t state;        /* Keypress state.  */
919   uint8_t* p_pass_data; /* Pointer to data.  This parameter is only valid
920                          * when the op_id is AVRC_ID_VENDOR.*/
921   uint8_t pass_len;     /* Length in bytes of data. This parameter is only
922                          * valid when the op_id is AVRC_ID_VENDOR.*/
923 } tAVRC_MSG_PASS;
924 
925 /* Command/Response indicator. */
926 #define AVRC_CMD AVCT_CMD /* Command message */
927 #define AVRC_RSP AVCT_RSP /* Response message */
928 
929 /* Browsing channel message structure */
930 typedef struct {
931   tAVRC_HDR hdr;          /* hdr.ctype AVRC_CMD or AVRC_RSP.
932                            * hdr.subunit_type Unused.
933                            * hdr.subunit_id Unused. */
934   uint8_t* p_browse_data; /* Pointer to data.  */
935   uint16_t browse_len;    /* Length in bytes of data. */
936   BT_HDR* p_browse_pkt; /* The GKI buffer received. Set to NULL, if the callback
937                            function wants to keep the buffer */
938 } tAVRC_MSG_BROWSE;
939 
940 /* This is a union of all message type structures. */
941 typedef union {
942   tAVRC_HDR hdr;           /* Message header. */
943   tAVRC_MSG_UNIT unit;     /* UNIT INFO message. */
944   tAVRC_MSG_SUB sub;       /* SUBUNIT INFO message. */
945   tAVRC_MSG_VENDOR vendor; /* VENDOR DEPENDENT message. */
946   tAVRC_MSG_PASS pass;     /* PASS THROUGH message. */
947   tAVRC_MSG_BROWSE browse; /* messages thru browsing channel */
948 } tAVRC_MSG;
949 
950 /* macros */
951 #define AVRC_IS_VALID_CAP_ID(a)                                         \
952   ((((a) == AVRC_CAP_COMPANY_ID) || ((a) == AVRC_CAP_EVENTS_SUPPORTED)) \
953        ? true                                                           \
954        : false)
955 
956 #define AVRC_IS_VALID_EVENT_ID(a)                                            \
957   ((((a) >= AVRC_EVT_PLAY_STATUS_CHANGE) && ((a) <= AVRC_EVT_VOLUME_CHANGE)) \
958        ? true                                                                \
959        : false)
960 
961 #define AVRC_IS_VALID_ATTRIBUTE(a)                      \
962   ((((((a) > 0) && (a) <= AVRC_PLAYER_SETTING_SCAN)) || \
963     ((a) >= AVRC_PLAYER_SETTING_LOW_MENU_EXT))          \
964        ? true                                           \
965        : false)
966 
967 #define AVRC_IS_VALID_MEDIA_ATTRIBUTE(a)            \
968   (((a) >= AVRC_MEDIA_ATTR_ID_TITLE) &&             \
969            ((a) <= AVRC_MEDIA_ATTR_ID_PLAYING_TIME) \
970        ? true                                       \
971        : false)
972 
973 #define AVRC_IS_VALID_BATTERY_STATUS(a) \
974   (((a) <= AVRC_BATTERY_STATUS_FULL_CHARGE) ? true : false)
975 
976 #define AVRC_IS_VALID_SYSTEM_STATUS(a) \
977   (((a) <= AVRC_SYSTEMSTATE_PWR_UNPLUGGED) ? true : false)
978 
979 #define AVRC_IS_VALID_GROUP(a) (((a) <= AVRC_PDU_PREV_GROUP) ? true : false)
980 
981 /* Company ID is 24-bit integer We can not use the macros in bt_types.h */
982 #define AVRC_CO_ID_TO_BE_STREAM(p, u32) \
983   {                                     \
984     *(p)++ = (uint8_t)((u32) >> 16);    \
985     *(p)++ = (uint8_t)((u32) >> 8);     \
986     *(p)++ = (uint8_t)(u32);            \
987   }
988 #define AVRC_BE_STREAM_TO_CO_ID(u32, p)                                   \
989   {                                                                       \
990     (u32) = (((uint32_t)(*((p) + 2))) + (((uint32_t)(*((p) + 1))) << 8) + \
991              (((uint32_t)(*(p))) << 16));                                 \
992     (p) += 3;                                                             \
993   }
994 
995 /*****************************************************************************
996  *  data type definitions
997  ****************************************************************************/
998 #define AVRC_MAX_APP_ATTR_SIZE 16
999 #define AVRC_MAX_CHARSET_SIZE 16
1000 #define AVRC_MAX_ELEM_ATTR_SIZE 8
1001 
1002 /*****************************************************************************
1003  *  Metadata transfer Building/Parsing definitions
1004  ****************************************************************************/
1005 
1006 typedef struct {
1007   uint16_t charset_id;
1008   uint16_t str_len;
1009   uint8_t* p_str;
1010 } tAVRC_FULL_NAME;
1011 
1012 typedef struct {
1013   uint16_t str_len;
1014   uint8_t* p_str;
1015 } tAVRC_NAME;
1016 
1017 #ifndef AVRC_CAP_MAX_NUM_COMP_ID
1018 #define AVRC_CAP_MAX_NUM_COMP_ID 4
1019 #endif
1020 
1021 #ifndef AVRC_CAP_MAX_NUM_EVT_ID
1022 #define AVRC_CAP_MAX_NUM_EVT_ID 16
1023 #endif
1024 
1025 typedef union {
1026   uint32_t company_id[AVRC_CAP_MAX_NUM_COMP_ID];
1027   uint8_t event_id[AVRC_CAP_MAX_NUM_EVT_ID];
1028 } tAVRC_CAPS_PARAM;
1029 
1030 typedef struct {
1031   uint8_t attr_id;
1032   uint8_t attr_val;
1033 } tAVRC_APP_SETTING;
1034 
1035 typedef struct {
1036   uint8_t attr_id;
1037   uint16_t charset_id;
1038   uint8_t str_len;
1039   uint8_t* p_str;
1040 } tAVRC_APP_SETTING_TEXT;
1041 
1042 typedef uint8_t tAVRC_FEATURE_MASK[AVRC_FEATURE_MASK_SIZE];
1043 
1044 typedef struct {
1045   uint16_t player_id;  /* A unique identifier for this media player.*/
1046   uint8_t major_type;  /* Use AVRC_MJ_TYPE_AUDIO, AVRC_MJ_TYPE_VIDEO,
1047                           AVRC_MJ_TYPE_BC_AUDIO, or AVRC_MJ_TYPE_BC_VIDEO.*/
1048   uint32_t sub_type;   /* Use AVRC_SUB_TYPE_NONE, AVRC_SUB_TYPE_AUDIO_BOOK, or
1049                           AVRC_SUB_TYPE_PODCAST*/
1050   uint8_t play_status; /* Use AVRC_PLAYSTATE_STOPPED, AVRC_PLAYSTATE_PLAYING,
1051                           AVRC_PLAYSTATE_PAUSED, AVRC_PLAYSTATE_FWD_SEEK,
1052                            AVRC_PLAYSTATE_REV_SEEK, or AVRC_PLAYSTATE_ERROR*/
1053   tAVRC_FEATURE_MASK features; /* Supported feature bit mask*/
1054   tAVRC_FULL_NAME name; /* The player name, name length and character set id.*/
1055 } tAVRC_ITEM_PLAYER;
1056 
1057 typedef struct {
1058   tAVRC_UID uid;        /* The uid of this folder */
1059   uint8_t type;         /* Use AVRC_FOLDER_TYPE_MIXED, AVRC_FOLDER_TYPE_TITLES,
1060                            AVRC_FOLDER_TYPE_ALNUMS, AVRC_FOLDER_TYPE_ARTISTS,
1061                            AVRC_FOLDER_TYPE_GENRES,
1062                            AVRC_FOLDER_TYPE_PLAYLISTS, or AVRC_FOLDER_TYPE_YEARS.*/
1063   bool playable;        /* true, if the folder can be played. */
1064   tAVRC_FULL_NAME name; /* The folder name, name length and character set id. */
1065 } tAVRC_ITEM_FOLDER;
1066 
1067 typedef struct {
1068   uint32_t
1069       attr_id; /* Use AVRC_MEDIA_ATTR_ID_TITLE, AVRC_MEDIA_ATTR_ID_ARTIST,
1070                   AVRC_MEDIA_ATTR_ID_ALBUM,
1071                   AVRC_MEDIA_ATTR_ID_TRACK_NUM, AVRC_MEDIA_ATTR_ID_NUM_TRACKS,
1072                   AVRC_MEDIA_ATTR_ID_GENRE, AVRC_MEDIA_ATTR_ID_PLAYING_TIME */
1073   tAVRC_FULL_NAME
1074       name; /* The attribute value, value length and character set id. */
1075 } tAVRC_ATTR_ENTRY;
1076 
1077 typedef struct {
1078   tAVRC_UID uid; /* The uid of this media element item */
1079   uint8_t type;  /* Use AVRC_MEDIA_TYPE_AUDIO or AVRC_MEDIA_TYPE_VIDEO. */
1080   tAVRC_FULL_NAME name; /* The media name, name length and character set id. */
1081   uint8_t attr_count;   /* The number of attributes in p_attr_list */
1082   tAVRC_ATTR_ENTRY* p_attr_list; /* Attribute entry list. */
1083 } tAVRC_ITEM_MEDIA;
1084 
1085 typedef struct {
1086   uint8_t
1087       item_type; /* AVRC_ITEM_PLAYER, AVRC_ITEM_FOLDER, or AVRC_ITEM_MEDIA */
1088   union {
1089     tAVRC_ITEM_PLAYER player; /* The properties of a media player item.*/
1090     tAVRC_ITEM_FOLDER folder; /* The properties of a folder item.*/
1091     tAVRC_ITEM_MEDIA media;   /* The properties of a media item.*/
1092   } u;
1093 } tAVRC_ITEM;
1094 
1095 /* GetCapability */
1096 typedef struct {
1097   uint8_t pdu;
1098   tAVRC_STS status;
1099   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1100   uint8_t capability_id;
1101 } tAVRC_GET_CAPS_CMD;
1102 
1103 /* ListPlayerAppValues */
1104 typedef struct {
1105   uint8_t pdu;
1106   tAVRC_STS status;
1107   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1108   uint8_t attr_id;
1109 } tAVRC_LIST_APP_VALUES_CMD;
1110 
1111 /* GetCurAppValue */
1112 typedef struct {
1113   uint8_t pdu;
1114   tAVRC_STS status;
1115   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1116   uint8_t num_attr;
1117   uint8_t attrs[AVRC_MAX_APP_ATTR_SIZE];
1118 } tAVRC_GET_CUR_APP_VALUE_CMD;
1119 
1120 /* SetAppValue */
1121 typedef struct {
1122   uint8_t pdu;
1123   tAVRC_STS status;
1124   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1125   uint8_t num_val;
1126   tAVRC_APP_SETTING* p_vals;
1127 } tAVRC_SET_APP_VALUE_CMD;
1128 
1129 /* GetAppAttrTxt */
1130 typedef struct {
1131   uint8_t pdu;
1132   tAVRC_STS status;
1133   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1134   uint8_t num_attr;
1135   uint8_t attrs[AVRC_MAX_APP_ATTR_SIZE];
1136 } tAVRC_GET_APP_ATTR_TXT_CMD;
1137 
1138 /* GetAppValueTxt */
1139 typedef struct {
1140   uint8_t pdu;
1141   tAVRC_STS status;
1142   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1143   uint8_t attr_id;
1144   uint8_t num_val;
1145   uint8_t vals[AVRC_MAX_APP_ATTR_SIZE];
1146 } tAVRC_GET_APP_VAL_TXT_CMD;
1147 
1148 /* InformCharset */
1149 typedef struct {
1150   uint8_t pdu;
1151   tAVRC_STS status;
1152   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1153   uint8_t num_id;
1154   uint16_t charsets[AVRC_MAX_CHARSET_SIZE];
1155 } tAVRC_INFORM_CHARSET_CMD;
1156 
1157 /* InformBatteryStatus */
1158 typedef struct {
1159   uint8_t pdu;
1160   tAVRC_STS status;
1161   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1162   uint8_t battery_status;
1163 } tAVRC_BATTERY_STATUS_CMD;
1164 
1165 /* GetElemAttrs */
1166 typedef struct {
1167   uint8_t pdu;
1168   tAVRC_STS status;
1169   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1170   uint8_t num_attr;
1171   uint32_t attrs[AVRC_MAX_ELEM_ATTR_SIZE];
1172 } tAVRC_GET_ELEM_ATTRS_CMD;
1173 
1174 /* RegNotify */
1175 typedef struct {
1176   uint8_t pdu;
1177   tAVRC_STS status;
1178   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1179   uint8_t event_id;
1180   uint32_t param;
1181 } tAVRC_REG_NOTIF_CMD;
1182 
1183 /* SetAddrPlayer */
1184 typedef struct {
1185   uint8_t pdu;
1186   tAVRC_STS status;
1187   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1188   uint16_t player_id;
1189 } tAVRC_SET_ADDR_PLAYER_CMD;
1190 
1191 /* SetBrowsedPlayer */
1192 typedef struct {
1193   uint8_t pdu;
1194   tAVRC_STS status;
1195   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1196   uint16_t player_id;
1197 } tAVRC_SET_BR_PLAYER_CMD;
1198 
1199 /* SetAbsVolume */
1200 typedef struct {
1201   uint8_t pdu;
1202   tAVRC_STS status;
1203   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1204   uint8_t volume;
1205 } tAVRC_SET_VOLUME_CMD;
1206 
1207 /* GetFolderItems */
1208 typedef struct {
1209   uint8_t pdu;
1210   tAVRC_STS status;
1211   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1212   uint8_t scope;
1213   uint32_t start_item;
1214   uint32_t end_item;
1215   uint8_t attr_count;
1216   uint32_t* p_attr_list;
1217 } tAVRC_GET_ITEMS_CMD;
1218 
1219 /* ChangePath */
1220 typedef struct {
1221   uint8_t pdu;
1222   tAVRC_STS status;
1223   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1224   uint16_t uid_counter;
1225   uint8_t direction;
1226   tAVRC_UID folder_uid;
1227 } tAVRC_CHG_PATH_CMD;
1228 
1229 /* GetItemAttrs */
1230 typedef struct {
1231   uint8_t pdu;
1232   tAVRC_STS status;
1233   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1234   uint8_t scope;
1235   tAVRC_UID uid;
1236   uint16_t uid_counter;
1237   uint8_t attr_count;
1238   uint32_t* p_attr_list;
1239 } tAVRC_GET_ATTRS_CMD;
1240 
1241 /* Search */
1242 typedef struct {
1243   uint8_t pdu;
1244   tAVRC_STS status;
1245   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1246   tAVRC_FULL_NAME string;
1247 } tAVRC_SEARCH_CMD;
1248 
1249 /* PlayItem */
1250 typedef struct {
1251   uint8_t pdu;
1252   tAVRC_STS status;
1253   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1254   uint8_t scope;
1255   tAVRC_UID uid;
1256   uint16_t uid_counter;
1257 } tAVRC_PLAY_ITEM_CMD;
1258 
1259 /* AddToNowPlaying */
1260 typedef struct {
1261   uint8_t pdu;
1262   tAVRC_STS status;
1263   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1264   uint8_t scope;
1265   tAVRC_UID uid;
1266   uint16_t uid_counter;
1267 } tAVRC_ADD_TO_PLAY_CMD;
1268 
1269 /* GetTotalNumOfItems */
1270 typedef struct {
1271   uint8_t pdu;
1272   tAVRC_STS status;
1273   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1274   uint8_t scope;
1275 } tAVRC_GET_NUM_OF_ITEMS_CMD;
1276 
1277 typedef struct {
1278   uint8_t pdu;
1279   tAVRC_STS status;
1280   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1281 } tAVRC_CMD;
1282 
1283 /* Continue and Abort */
1284 typedef struct {
1285   uint8_t pdu;
1286   tAVRC_STS status;
1287   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1288   uint8_t target_pdu;
1289 } tAVRC_NEXT_CMD;
1290 
1291 typedef union {
1292   uint8_t pdu;
1293   tAVRC_CMD cmd;
1294   tAVRC_GET_CAPS_CMD get_caps;                    /* GetCapability */
1295   tAVRC_CMD list_app_attr;                        /* ListPlayerAppAttr */
1296   tAVRC_LIST_APP_VALUES_CMD list_app_values;      /* ListPlayerAppValues */
1297   tAVRC_GET_CUR_APP_VALUE_CMD get_cur_app_val;    /* GetCurAppValue */
1298   tAVRC_SET_APP_VALUE_CMD set_app_val;            /* SetAppValue */
1299   tAVRC_GET_APP_ATTR_TXT_CMD get_app_attr_txt;    /* GetAppAttrTxt */
1300   tAVRC_GET_APP_VAL_TXT_CMD get_app_val_txt;      /* GetAppValueTxt */
1301   tAVRC_INFORM_CHARSET_CMD inform_charset;        /* InformCharset */
1302   tAVRC_BATTERY_STATUS_CMD inform_battery_status; /* InformBatteryStatus */
1303   tAVRC_GET_ELEM_ATTRS_CMD get_elem_attrs;        /* GetElemAttrs */
1304   tAVRC_CMD get_play_status;                      /* GetPlayStatus */
1305   tAVRC_REG_NOTIF_CMD reg_notif;                  /* RegNotify */
1306   tAVRC_NEXT_CMD continu;                         /* Continue */
1307   tAVRC_NEXT_CMD abort;                           /* Abort */
1308 
1309   tAVRC_SET_ADDR_PLAYER_CMD addr_player;       /* SetAddrPlayer */
1310   tAVRC_SET_VOLUME_CMD volume;                 /* SetAbsVolume */
1311   tAVRC_SET_BR_PLAYER_CMD br_player;           /* SetBrowsedPlayer */
1312   tAVRC_GET_ITEMS_CMD get_items;               /* GetFolderItems */
1313   tAVRC_CHG_PATH_CMD chg_path;                 /* ChangePath */
1314   tAVRC_GET_ATTRS_CMD get_attrs;               /* GetItemAttrs */
1315   tAVRC_SEARCH_CMD search;                     /* Search */
1316   tAVRC_PLAY_ITEM_CMD play_item;               /* PlayItem */
1317   tAVRC_ADD_TO_PLAY_CMD add_to_play;           /* AddToNowPlaying */
1318   tAVRC_GET_NUM_OF_ITEMS_CMD get_num_of_items; /* GetTotalNumOfItems */
1319 } tAVRC_COMMAND;
1320 
1321 /* GetCapability */
1322 typedef struct {
1323   uint8_t pdu;
1324   tAVRC_STS status;
1325   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1326                      user. invalid one to generate according to pdu) */
1327   uint8_t capability_id;
1328   uint8_t count;
1329   tAVRC_CAPS_PARAM param;
1330 } tAVRC_GET_CAPS_RSP;
1331 
1332 /* ListPlayerAppAttr */
1333 typedef struct {
1334   uint8_t pdu;
1335   tAVRC_STS status;
1336   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1337                      user. invalid one to generate according to pdu) */
1338   uint8_t num_attr;
1339   uint8_t attrs[AVRC_MAX_APP_ATTR_SIZE];
1340 } tAVRC_LIST_APP_ATTR_RSP;
1341 
1342 /* ListPlayerAppValues */
1343 typedef struct {
1344   uint8_t pdu;
1345   tAVRC_STS status;
1346   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1347                      user. invalid one to generate according to pdu) */
1348   uint8_t num_val;
1349   uint8_t vals[AVRC_MAX_APP_ATTR_SIZE];
1350 } tAVRC_LIST_APP_VALUES_RSP;
1351 
1352 /* GetCurAppValue */
1353 typedef struct {
1354   uint8_t pdu;
1355   tAVRC_STS status;
1356   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1357                      user. invalid one to generate according to pdu) */
1358   uint8_t num_val;
1359   tAVRC_APP_SETTING* p_vals;
1360 } tAVRC_GET_CUR_APP_VALUE_RSP;
1361 
1362 /* GetAppAttrTxt */
1363 typedef struct {
1364   uint8_t pdu;
1365   tAVRC_STS status;
1366   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1367                      user. invalid one to generate according to pdu) */
1368   uint8_t num_attr;
1369   tAVRC_APP_SETTING_TEXT* p_attrs;
1370 } tAVRC_GET_APP_ATTR_TXT_RSP;
1371 
1372 /* GetPlayStatus */
1373 typedef struct {
1374   uint8_t pdu;
1375   tAVRC_STS status;
1376   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1377                      user. invalid one to generate according to pdu) */
1378   uint32_t song_len;
1379   uint32_t song_pos;
1380   uint8_t play_status;
1381 } tAVRC_GET_PLAY_STATUS_RSP;
1382 
1383 /* notification event parameter for AddressedPlayer change */
1384 typedef struct {
1385   uint16_t player_id;
1386   uint16_t uid_counter;
1387 } tAVRC_ADDR_PLAYER_PARAM;
1388 
1389 #ifndef AVRC_MAX_APP_SETTINGS
1390 #define AVRC_MAX_APP_SETTINGS 8
1391 #endif
1392 
1393 /* notification event parameter for Player Application setting change */
1394 typedef struct {
1395   uint8_t num_attr;
1396   uint8_t attr_id[AVRC_MAX_APP_SETTINGS];
1397   uint8_t attr_value[AVRC_MAX_APP_SETTINGS];
1398 } tAVRC_PLAYER_APP_PARAM;
1399 
1400 typedef union {
1401   tAVRC_PLAYSTATE play_status;
1402   tAVRC_UID track;
1403   uint32_t play_pos;
1404   tAVRC_BATTERY_STATUS battery_status;
1405   tAVRC_SYSTEMSTATE system_status;
1406   tAVRC_PLAYER_APP_PARAM player_setting;
1407   tAVRC_ADDR_PLAYER_PARAM addr_player;
1408   uint16_t uid_counter;
1409   uint8_t volume;
1410 } tAVRC_NOTIF_RSP_PARAM;
1411 
1412 /* RegNotify */
1413 typedef struct {
1414   uint8_t pdu;
1415   tAVRC_STS status;
1416   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1417                      user. invalid one to generate according to pdu) */
1418   uint8_t event_id;
1419   tAVRC_NOTIF_RSP_PARAM param;
1420 } tAVRC_REG_NOTIF_RSP;
1421 
1422 /* SetAbsVolume */
1423 typedef struct {
1424   uint8_t pdu;
1425   tAVRC_STS status;
1426   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1427                      user. invalid one to generate according to pdu) */
1428   uint8_t volume;
1429 } tAVRC_SET_VOLUME_RSP;
1430 
1431 /* SetBrowsedPlayer */
1432 typedef struct {
1433   uint8_t pdu;
1434   tAVRC_STS status;
1435   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1436                      user. invalid one to generate according to pdu) */
1437   uint16_t uid_counter;
1438   uint32_t num_items;
1439   uint16_t charset_id;
1440   uint8_t folder_depth;
1441   tAVRC_NAME* p_folders;
1442 } tAVRC_SET_BR_PLAYER_RSP;
1443 
1444 /* GetFolderItems */
1445 typedef struct {
1446   uint8_t pdu;
1447   tAVRC_STS status;
1448   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1449                      user. invalid one to generate according to pdu) */
1450   uint16_t uid_counter;
1451   uint16_t item_count;
1452   tAVRC_ITEM* p_item_list;
1453 } tAVRC_GET_ITEMS_RSP;
1454 
1455 /* ChangePath */
1456 typedef struct {
1457   uint8_t pdu;
1458   tAVRC_STS status;
1459   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1460                      user. invalid one to generate according to pdu) */
1461   uint32_t num_items;
1462 } tAVRC_CHG_PATH_RSP;
1463 
1464 /* GetItemAttrs, GetElemAttrs */
1465 typedef struct {
1466   uint8_t pdu;
1467   tAVRC_STS status;
1468   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1469                      user. invalid one to generate according to pdu) */
1470   uint8_t num_attrs;
1471   tAVRC_ATTR_ENTRY* p_attrs;
1472 } tAVRC_GET_ATTRS_RSP;
1473 
1474 /* Get Total Number of Items */
1475 typedef struct {
1476   uint8_t pdu;
1477   tAVRC_STS status;
1478   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1479                      user. invalid one to generate according to pdu) */
1480   uint16_t uid_counter;
1481   uint32_t num_items;
1482 } tAVRC_GET_NUM_OF_ITEMS_RSP;
1483 
1484 /* Search */
1485 typedef struct {
1486   uint8_t pdu;
1487   tAVRC_STS status;
1488   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1489                      user. invalid one to generate according to pdu) */
1490   uint16_t uid_counter;
1491   uint32_t num_items;
1492 } tAVRC_SEARCH_RSP;
1493 
1494 typedef struct {
1495   uint8_t pdu;
1496   tAVRC_STS status;
1497   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1498                      user. invalid one to generate according to pdu) */
1499   uint8_t target_pdu;
1500 } tAVRC_NEXT_RSP;
1501 
1502 typedef struct {
1503   uint8_t pdu;
1504   tAVRC_STS status;
1505   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1506                      user. invalid one to generate according to pdu) */
1507 } tAVRC_RSP;
1508 
1509 typedef union {
1510   uint8_t pdu;
1511   tAVRC_RSP rsp;
1512   tAVRC_GET_CAPS_RSP get_caps;                 /* GetCapability */
1513   tAVRC_LIST_APP_ATTR_RSP list_app_attr;       /* ListPlayerAppAttr */
1514   tAVRC_LIST_APP_VALUES_RSP list_app_values;   /* ListPlayerAppValues */
1515   tAVRC_GET_CUR_APP_VALUE_RSP get_cur_app_val; /* GetCurAppValue */
1516   tAVRC_RSP set_app_val;                       /* SetAppValue */
1517   tAVRC_GET_APP_ATTR_TXT_RSP get_app_attr_txt; /* GetAppAttrTxt */
1518   tAVRC_GET_APP_ATTR_TXT_RSP get_app_val_txt;  /* GetAppValueTxt */
1519   tAVRC_RSP inform_charset;                    /* InformCharset */
1520   tAVRC_RSP inform_battery_status;             /* InformBatteryStatus */
1521   tAVRC_GET_PLAY_STATUS_RSP get_play_status;   /* GetPlayStatus */
1522   tAVRC_REG_NOTIF_RSP reg_notif;               /* RegNotify */
1523   tAVRC_NEXT_RSP continu;                      /* Continue */
1524   tAVRC_NEXT_RSP abort;                        /* Abort */
1525   tAVRC_RSP addr_player;                       /* SetAddrPlayer */
1526   tAVRC_SET_VOLUME_RSP volume;                 /* SetAbsVolume */
1527   tAVRC_SET_BR_PLAYER_RSP br_player;           /* SetBrowsedPlayer */
1528   tAVRC_GET_ITEMS_RSP get_items;               /* GetFolderItems */
1529   tAVRC_CHG_PATH_RSP chg_path;                 /* ChangePath */
1530   tAVRC_GET_ATTRS_RSP get_attrs;               /* GetItemAttrs, GetElemAttrs */
1531   tAVRC_GET_NUM_OF_ITEMS_RSP get_num_of_items; /* GetTotalNumberOfItems */
1532   tAVRC_SEARCH_RSP search;                     /* Search */
1533   tAVRC_RSP play_item;                         /* PlayItem */
1534   tAVRC_RSP add_to_play;                       /* AddToNowPlaying */
1535 } tAVRC_RESPONSE;
1536 
1537 #endif
1538