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1 /******************************************************************************
2  *
3  *  Copyright 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 typedef enum : uint8_t {
206   /* Define the PDUs carried in the vendor dependant data
207    */
208   AVRC_PDU_GET_CAPABILITIES = 0x10,
209   AVRC_PDU_LIST_PLAYER_APP_ATTR = 0x11,
210   AVRC_PDU_LIST_PLAYER_APP_VALUES = 0x12,
211   AVRC_PDU_GET_CUR_PLAYER_APP_VALUE = 0x13,
212   AVRC_PDU_SET_PLAYER_APP_VALUE = 0x14,
213   AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT = 0x15,
214   AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT = 0x16,
215   AVRC_PDU_INFORM_DISPLAY_CHARSET = 0x17,
216   AVRC_PDU_INFORM_BATTERY_STAT_OF_CT = 0x18,
217   AVRC_PDU_GET_ELEMENT_ATTR = 0x20,
218   AVRC_PDU_GET_PLAY_STATUS = 0x30,
219   AVRC_PDU_REGISTER_NOTIFICATION = 0x31,
220   AVRC_PDU_REQUEST_CONTINUATION_RSP = 0x40,
221   AVRC_PDU_ABORT_CONTINUATION_RSP = 0x41,
222   /* added in 1.4 */
223   AVRC_PDU_SET_ABSOLUTE_VOLUME = 0x50,
224   AVRC_PDU_SET_ADDRESSED_PLAYER = 0x60,
225   AVRC_PDU_SET_BROWSED_PLAYER = 0x70,
226   AVRC_PDU_GET_FOLDER_ITEMS = 0x71,
227   AVRC_PDU_CHANGE_PATH = 0x72,
228   AVRC_PDU_GET_ITEM_ATTRIBUTES = 0x73,
229   AVRC_PDU_PLAY_ITEM = 0x74,
230   /* Added in post 1.5 */
231   AVRC_PDU_GET_TOTAL_NUM_OF_ITEMS = 0x75,
232   AVRC_PDU_SEARCH = 0x80,
233   AVRC_PDU_ADD_TO_NOW_PLAYING = 0x90,
234   AVRC_PDU_GENERAL_REJECT = 0xA0,
235   /* Define the vendor unique id carried in the pass through data
236    */
237   AVRC_PDU_NEXT_GROUP = 0x00,
238   AVRC_PDU_PREV_GROUP = 0x01,
239   AVRC_PDU_INVALID = 0xff,
240 } tAVRC_PDU;
241 
242 /* The only pass through vendor unique commands defined by AVRC are the group
243  *  navigation commands.
244  * The len for vendor unique data is 5
245  */
246 #define AVRC_PASS_THRU_GROUP_LEN 5
247 
248 /* 6.15.3 error status code for general reject */
249 /* Invalid command, sent if TG received a PDU that it did not understand. */
250 #define AVRC_STS_BAD_CMD 0x00
251 /* Invalid parameter, sent if the TG received a PDU with a parameter ID that it
252  * did not understand. Sent if there is only one parameter ID in the PDU. */
253 #define AVRC_STS_BAD_PARAM 0x01
254 /* Specified parameter not found., sent if the parameter ID is understood, but
255  * content is wrong or corrupted. */
256 #define AVRC_STS_NOT_FOUND 0x02
257 /* Internal Error, sent if there are error conditions not covered by a more
258  * specific error code. */
259 #define AVRC_STS_INTERNAL_ERR 0x03
260 /* Operation completed without error.  This is the status that should be
261  * returned if the operation was successful. */
262 #define AVRC_STS_NO_ERROR 0x04
263 /* UID Changed - The UIDs on the device have changed */
264 #define AVRC_STS_UID_CHANGED 0x05
265 /* #define AVRC_STS_GEN_ERROR   0x06    Unknown Error - now "reserved" */
266 /* Invalid Direction - The Direction parameter is invalid - Change Path*/
267 #define AVRC_STS_BAD_DIR 0x07
268 /* Not a Directory - The UID provided does not refer to a folder item -
269  *      Change Path */
270 #define AVRC_STS_NOT_DIR 0x08
271 /* Does Not Exist - The UID provided does not refer to any item - Change Path,
272  *      PlayItem, AddToNowPlaying, GetItemAttributes */
273 #define AVRC_STS_NOT_EXIST 0x09
274 /* Invalid Scope - The scope parameter is invalid - GetFolderItems, PlayItem,
275  *      AddToNowPlayer, GetItemAttributes */
276 #define AVRC_STS_BAD_SCOPE 0x0a
277 /* Range Out of Bounds - The start of range provided is not valid
278  *      GetFolderItems*/
279 #define AVRC_STS_BAD_RANGE 0x0b
280 /* UID is a Directory - The UID provided refers to a directory, which cannot be
281  * handled by this media player -  PlayItem, AddToNowPlaying */
282 #define AVRC_STS_UID_IS_DIR 0x0c
283 /* Media in Use - The media is not able to be used for this operation at this
284  * time - PlayItem, AddToNowPlaying */
285 #define AVRC_STS_IN_USE 0x0d
286 /* Now Playing List Full - No more items can be added to the Now Playing List -
287  * AddToNowPlaying*/
288 #define AVRC_STS_NOW_LIST_FULL 0x0e
289 /* Search Not Supported - The Browsed Media Player does not support search -
290  * Search */
291 #define AVRC_STS_SEARCH_NOT_SUP 0x0f
292 /* Search in Progress - A search operation is already in progress - Search*/
293 #define AVRC_STS_SEARCH_BUSY 0x10
294 /* Invalid Player Id - The specified Player Id does not refer to a valid player
295  * - SetAddressedPlayer, SetBrowsedPlayer*/
296 #define AVRC_STS_BAD_PLAYER_ID 0x11
297 /* Player Not Browsable - The Player Id supplied refers to a Media Player which
298  * does not support browsing - SetBrowsedPlayer */
299 #define AVRC_STS_PLAYER_N_BR 0x12
300 /* Player Not Addressed.  The Player Id supplied refers to a player which is not
301  * currently addressed, and the command is not able to be performed if the
302  * player is not set as addressed - Search, SetBrowsedPlayer*/
303 #define AVRC_STS_PLAYER_N_ADDR 0x13
304 /* No valid Search Results - The Search result list does not contain valid
305  * entries, e.g. after being invalidated due to change of browsed player -
306  * GetFolderItems */
307 #define AVRC_STS_BAD_SEARCH_RES 0x14
308 /* No available players ALL */
309 #define AVRC_STS_NO_AVAL_PLAYER 0x15
310 /* Addressed Player Changed - Register Notification */
311 #define AVRC_STS_ADDR_PLAYER_CHG 0x16
312 typedef uint8_t tAVRC_STS;
313 
314 /* Define the Capability IDs
315 */
316 #define AVRC_CAP_COMPANY_ID 0x02
317 #define AVRC_CAP_EVENTS_SUPPORTED 0x03
318 #define AVRC_COMPANY_ID_LEN 3
319 #define AVRC_CAPABILITY_OFFSET 2
320 
321 /* Define the Player Application Settings IDs
322 */
323 #define AVRC_PLAYER_SETTING_EQUALIZER 0x01
324 #define AVRC_PLAYER_SETTING_REPEAT 0x02
325 #define AVRC_PLAYER_SETTING_SHUFFLE 0x03
326 #define AVRC_PLAYER_SETTING_SCAN 0x04
327 #define AVRC_PLAYER_SETTING_LOW_MENU_EXT 0x80
328 #define AVRC_PLAYER_SETTING_HIGH_MENU_EXT 0xff
329 
330 /* Define the possible values of the Player Application Settings
331 */
332 #define AVRC_PLAYER_VAL_OFF 0x01
333 #define AVRC_PLAYER_VAL_ON 0x02
334 #define AVRC_PLAYER_VAL_SINGLE_REPEAT 0x02
335 #define AVRC_PLAYER_VAL_ALL_REPEAT 0x03
336 #define AVRC_PLAYER_VAL_GROUP_REPEAT 0x04
337 #define AVRC_PLAYER_VAL_ALL_SHUFFLE 0x02
338 #define AVRC_PLAYER_VAL_GROUP_SHUFFLE 0x03
339 #define AVRC_PLAYER_VAL_ALL_SCAN 0x02
340 #define AVRC_PLAYER_VAL_GROUP_SCAN 0x03
341 
342 /* Define the possible values of Battery Status PDU
343 */
344 #define AVRC_BATTERY_STATUS_NORMAL 0x00
345 #define AVRC_BATTERY_STATUS_WARNING 0x01
346 #define AVRC_BATTERY_STATUS_CRITICAL 0x02
347 #define AVRC_BATTERY_STATUS_EXTERNAL 0x03
348 #define AVRC_BATTERY_STATUS_FULL_CHARGE 0x04
349 typedef uint8_t tAVRC_BATTERY_STATUS;
350 
351 /* Define character set */
352 #define AVRC_CHAR_SET_SIZE 2
353 
354 /* Define the Media Attribute IDs
355 */
356 #define AVRC_MEDIA_ATTR_ID_TITLE 0x00000001
357 #define AVRC_MEDIA_ATTR_ID_ARTIST 0x00000002
358 #define AVRC_MEDIA_ATTR_ID_ALBUM 0x00000003
359 #define AVRC_MEDIA_ATTR_ID_TRACK_NUM 0x00000004
360 #define AVRC_MEDIA_ATTR_ID_NUM_TRACKS 0x00000005
361 #define AVRC_MEDIA_ATTR_ID_GENRE 0x00000006
362 #define AVRC_MEDIA_ATTR_ID_PLAYING_TIME 0x00000007 /* in miliseconds */
363 #define AVRC_MEDIA_ATTR_ID_COVER_ARTWORK_HANDLE 0x00000008
364 #define AVRC_MAX_NUM_MEDIA_ATTR_ID 8
365 
366 /* Define the possible values of play state
367 */
368 #define AVRC_PLAYSTATE_RESP_MSG_SIZE 9
369 #define AVRC_PLAYSTATE_STOPPED 0x00  /* Stopped */
370 #define AVRC_PLAYSTATE_PLAYING 0x01  /* Playing */
371 #define AVRC_PLAYSTATE_PAUSED 0x02   /* Paused  */
372 #define AVRC_PLAYSTATE_FWD_SEEK 0x03 /* Fwd Seek*/
373 #define AVRC_PLAYSTATE_REV_SEEK 0x04 /* Rev Seek*/
374 #define AVRC_PLAYSTATE_ERROR 0xFF    /* Error   */
375 typedef uint8_t tAVRC_PLAYSTATE;
376 
377 /* Define the events that can be registered for notifications
378 */
379 #define AVRC_EVT_PLAY_STATUS_CHANGE 0x01
380 #define AVRC_EVT_TRACK_CHANGE 0x02
381 #define AVRC_EVT_TRACK_REACHED_END 0x03
382 #define AVRC_EVT_TRACK_REACHED_START 0x04
383 #define AVRC_EVT_PLAY_POS_CHANGED 0x05
384 #define AVRC_EVT_BATTERY_STATUS_CHANGE 0x06
385 #define AVRC_EVT_SYSTEM_STATUS_CHANGE 0x07
386 #define AVRC_EVT_APP_SETTING_CHANGE 0x08
387 /* added in AVRCP 1.4 */
388 #define AVRC_EVT_NOW_PLAYING_CHANGE 0x09
389 #define AVRC_EVT_AVAL_PLAYERS_CHANGE 0x0a
390 #define AVRC_EVT_ADDR_PLAYER_CHANGE 0x0b
391 #define AVRC_EVT_UIDS_CHANGE 0x0c
392 #define AVRC_EVT_VOLUME_CHANGE 0x0d
393 
394 /* the number of events that can be registered for notifications */
395 #define AVRC_NUM_NOTIF_EVENTS 0x0d
396 
397 #define AVRC_EVT_MSG_LEN_1 0x01
398 #define AVRC_EVT_MSG_LEN_2 0x02
399 #define AVRC_EVT_MSG_LEN_5 0x05
400 #define AVRC_EVT_MSG_LEN_9 0x09
401 
402 #define AVRC_MAX_VOLUME 0x7F
403 
404 /* Define the possible values of system status
405 */
406 #define AVRC_SYSTEMSTATE_PWR_ON 0x00
407 #define AVRC_SYSTEMSTATE_PWR_OFF 0x01
408 #define AVRC_SYSTEMSTATE_PWR_UNPLUGGED 0x02
409 typedef uint8_t tAVRC_SYSTEMSTATE;
410 
411 /* the frequently used character set ids */
412 #define AVRC_CHARSET_ID_ASCII ((uint16_t)0x0003) /* ASCII */
413 #define AVRC_CHARSET_ID_UTF8 ((uint16_t)0x006a)  /* UTF-8 */
414 #define AVRC_CHARSET_ID_UTF16 ((uint16_t)0x03f7) /* 1015 */
415 #define AVRC_CHARSET_ID_UTF32 ((uint16_t)0x03f9) /* 1017 */
416 
417 /*****************************************************************************
418  *  Advanced Control
419  ****************************************************************************/
420 #define AVRC_ITEM_PLAYER 0x01
421 #define AVRC_ITEM_FOLDER 0x02
422 #define AVRC_ITEM_MEDIA 0x03
423 
424 /* Media Player Item - Contains all available media players */
425 #define AVRC_SCOPE_PLAYER_LIST 0x00
426 /* Folder Item, Media Element Item - The virtual filesystem containing the media
427  * content of the browsed player */
428 #define AVRC_SCOPE_FILE_SYSTEM 0x01
429 /* Media Element Item  The results of a search operation on the browsed player
430  */
431 #define AVRC_SCOPE_SEARCH 0x02
432 /* Media Element Item  The Now Playing list (or queue) of the addressed player
433  */
434 #define AVRC_SCOPE_NOW_PLAYING 0x03
435 
436 #define AVRC_FOLDER_ITEM_COUNT_NONE 0xFF
437 
438 /* folder type */
439 #define AVRC_FOLDER_TYPE_MIXED 0x00
440 #define AVRC_FOLDER_TYPE_TITLES 0x01
441 #define AVRC_FOLDER_TYPE_ALNUMS 0x02
442 #define AVRC_FOLDER_TYPE_ARTISTS 0x03
443 #define AVRC_FOLDER_TYPE_GENRES 0x04
444 #define AVRC_FOLDER_TYPE_PLAYLISTS 0x05
445 #define AVRC_FOLDER_TYPE_YEARS 0x06
446 
447 /* major player type */
448 #define AVRC_MJ_TYPE_AUDIO 0x01    /* Audio */
449 #define AVRC_MJ_TYPE_VIDEO 0x02    /* Video */
450 #define AVRC_MJ_TYPE_BC_AUDIO 0x04 /* Broadcasting Audio */
451 #define AVRC_MJ_TYPE_BC_VIDEO 0x08 /* Broadcasting Video */
452 #define AVRC_MJ_TYPE_INVALID 0xF0
453 
454 /* player sub type */
455 #define AVRC_SUB_TYPE_NONE 0x00
456 #define AVRC_SUB_TYPE_AUDIO_BOOK 0x01 /* Audio Book */
457 #define AVRC_SUB_TYPE_PODCAST 0x02    /* Podcast */
458 #define AVRC_SUB_TYPE_INVALID 0xFC
459 
460 /* media item - media type */
461 #define AVRC_MEDIA_TYPE_AUDIO 0x00
462 #define AVRC_MEDIA_TYPE_VIDEO 0x01
463 
464 #define AVRC_DIR_UP 0x00   /* Folder Up */
465 #define AVRC_DIR_DOWN 0x01 /* Folder Down */
466 
467 #define AVRC_UID_SIZE 8
468 typedef uint8_t tAVRC_UID[AVRC_UID_SIZE];
469 
470 /*****************************************************************************
471  *  player attribute - supported features
472  ****************************************************************************/
473 #define AVRC_PF_SELECT_BIT_NO 0
474 #define AVRC_PF_SELECT_MASK 0x01
475 #define AVRC_PF_SELECT_OFF 0
476 #define AVRC_PF_SELECT_SUPPORTED(x) \
477   ((x)[AVRC_PF_SELECT_OFF] & AVRC_PF_SELECT_MASK)
478 
479 #define AVRC_PF_UP_BIT_NO 1
480 #define AVRC_PF_UP_MASK 0x02
481 #define AVRC_PF_UP_OFF 0
482 #define AVRC_PF_UP_SUPPORTED(x) ((x)[AVRC_PF_UP_OFF] & AVRC_PF_UP_MASK)
483 
484 #define AVRC_PF_DOWN_BIT_NO 2
485 #define AVRC_PF_DOWN_MASK 0x04
486 #define AVRC_PF_DOWN_OFF 0
487 #define AVRC_PF_DOWN_SUPPORTED(x) ((x)[AVRC_PF_DOWN_OFF] & AVRC_PF_DOWN_MASK)
488 
489 #define AVRC_PF_LEFT_BIT_NO 3
490 #define AVRC_PF_LEFT_MASK 0x08
491 #define AVRC_PF_LEFT_OFF 0
492 #define AVRC_PF_LEFT_SUPPORTED(x) ((x)[AVRC_PF_LEFT_OFF] & AVRC_PF_LEFT_MASK)
493 
494 #define AVRC_PF_RIGHT_BIT_NO 4
495 #define AVRC_PF_RIGHT_MASK 0x10
496 #define AVRC_PF_RIGHT_OFF 0
497 #define AVRC_PF_RIGHT_SUPPORTED(x) ((x)[AVRC_PF_RIGHT_OFF] & AVRC_PF_RIGHT_MASK)
498 
499 #define AVRC_PF_RIGHTUP_BIT_NO 5
500 #define AVRC_PF_RIGHTUP_MASK 0x20
501 #define AVRC_PF_RIGHTUP_OFF 0
502 #define AVRC_PF_RIGHTUP_SUPPORTED(x) \
503   ((x)[AVRC_PF_RIGHTUP_OFF] & AVRC_PF_RIGHTUP_MASK)
504 
505 #define AVRC_PF_RIGHTDOWN_BIT_NO 6
506 #define AVRC_PF_RIGHTDOWN_MASK 0x40
507 #define AVRC_PF_RIGHTDOWN_OFF 0
508 #define AVRC_PF_RIGHTDOWN_SUPPORTED(x) \
509   ((x)[AVRC_PF_RIGHTDOWN_OFF] & AVRC_PF_RIGHTDOWN_MASK)
510 
511 #define AVRC_PF_LEFTUP_BIT_NO 7
512 #define AVRC_PF_LEFTUP_MASK 0x80
513 #define AVRC_PF_LEFTUP_OFF 0
514 #define AVRC_PF_LEFTUP_SUPPORTED(x) \
515   ((x)[AVRC_PF_LEFTUP_OFF] & AVRC_PF_LEFTUP_MASK)
516 
517 #define AVRC_PF_LEFTDOWN_BIT_NO 8
518 #define AVRC_PF_LEFTDOWN_MASK 0x01
519 #define AVRC_PF_LEFTDOWN_OFF 1
520 #define AVRC_PF_LEFTDOWN_SUPPORTED(x) \
521   ((x)[AVRC_PF_LEFTDOWN_OFF] & AVRC_PF_LEFTDOWN_MASK)
522 
523 #define AVRC_PF_ROOT_MENU_BIT_NO 9
524 #define AVRC_PF_ROOT_MENU_MASK 0x02
525 #define AVRC_PF_ROOT_MENU_OFF 1
526 #define AVRC_PF_ROOT_MENU_SUPPORTED(x) \
527   ((x)[AVRC_PF_ROOT_MENU_OFF] & AVRC_PF_ROOT_MENU_MASK)
528 
529 #define AVRC_PF_SETUP_MENU_BIT_NO 10
530 #define AVRC_PF_SETUP_MENU_MASK 0x04
531 #define AVRC_PF_SETUP_MENU_OFF 1
532 #define AVRC_PF_SETUP_MENU_SUPPORTED(x) \
533   ((x)[AVRC_PF_SETUP_MENU_OFF] & AVRC_PF_SETUP_MENU_MASK)
534 
535 #define AVRC_PF_CONTENTS_MENU_BIT_NO 11
536 #define AVRC_PF_CONTENTS_MENU_MASK 0x08
537 #define AVRC_PF_CONTENTS_MENU_OFF 1
538 #define AVRC_PF_CONTENTS_MENU_SUPPORTED(x) \
539   ((x)[AVRC_PF_CONTENTS_MENU_OFF] & AVRC_PF_CONTENTS_MENU_MASK)
540 
541 #define AVRC_PF_FAVORITE_MENU_BIT_NO 12
542 #define AVRC_PF_FAVORITE_MENU_MASK 0x10
543 #define AVRC_PF_FAVORITE_MENU_OFF 1
544 #define AVRC_PF_FAVORITE_MENU_SUPPORTED(x) \
545   ((x)[AVRC_PF_FAVORITE_MENU_OFF] & AVRC_PF_FAVORITE_MENU_MASK)
546 
547 #define AVRC_PF_EXIT_BIT_NO 13
548 #define AVRC_PF_EXIT_MASK 0x20
549 #define AVRC_PF_EXIT_OFF 1
550 #define AVRC_PF_EXIT_SUPPORTED(x) ((x)[AVRC_PF_EXIT_OFF] & AVRC_PF_EXIT_MASK)
551 
552 #define AVRC_PF_0_BIT_NO 14
553 #define AVRC_PF_0_MASK 0x40
554 #define AVRC_PF_0_OFF 1
555 #define AVRC_PF_0_SUPPORTED(x) ((x)[AVRC_PF_0_OFF] & AVRC_PF_0_MASK)
556 
557 #define AVRC_PF_1_BIT_NO 15
558 #define AVRC_PF_1_MASK 0x80
559 #define AVRC_PF_1_OFF 1
560 #define AVRC_PF_1_SUPPORTED(x) ((x)[AVRC_PF_1_OFF] & AVRC_PF_1_MASK)
561 
562 #define AVRC_PF_2_BIT_NO 16
563 #define AVRC_PF_2_MASK 0x01
564 #define AVRC_PF_2_OFF 2
565 #define AVRC_PF_2_SUPPORTED(x) ((x)[AVRC_PF_2_OFF] & AVRC_PF_2_MASK)
566 
567 #define AVRC_PF_3_BIT_NO 17
568 #define AVRC_PF_3_MASK 0x02
569 #define AVRC_PF_3_OFF 2
570 #define AVRC_PF_3_SUPPORTED(x) ((x)[AVRC_PF_3_OFF] & AVRC_PF_3_MASK)
571 
572 #define AVRC_PF_4_BIT_NO 18
573 #define AVRC_PF_4_MASK 0x04
574 #define AVRC_PF_4_OFF 2
575 #define AVRC_PF_4_SUPPORTED(x) ((x)[AVRC_PF_4_OFF] & AVRC_PF_4_MASK)
576 
577 #define AVRC_PF_5_BIT_NO 19
578 #define AVRC_PF_5_MASK 0x08
579 #define AVRC_PF_5_OFF 2
580 #define AVRC_PF_5_SUPPORTED(x) ((x)[AVRC_PF_5_OFF] & AVRC_PF_5_MASK)
581 
582 #define AVRC_PF_6_BIT_NO 20
583 #define AVRC_PF_6_MASK 0x10
584 #define AVRC_PF_6_OFF 2
585 #define AVRC_PF_6_SUPPORTED(x) ((x)[AVRC_PF_6_OFF] & AVRC_PF_6_MASK)
586 
587 #define AVRC_PF_7_BIT_NO 21
588 #define AVRC_PF_7_MASK 0x20
589 #define AVRC_PF_7_OFF 2
590 #define AVRC_PF_7_SUPPORTED(x) ((x)[AVRC_PF_7_OFF] & AVRC_PF_7_MASK)
591 
592 #define AVRC_PF_8_BIT_NO 22
593 #define AVRC_PF_8_MASK 0x40
594 #define AVRC_PF_8_OFF 2
595 #define AVRC_PF_8_SUPPORTED(x) ((x)[AVRC_PF_8_OFF] & AVRC_PF_8_MASK)
596 
597 #define AVRC_PF_9_BIT_NO 23
598 #define AVRC_PF_9_MASK 0x80
599 #define AVRC_PF_9_OFF 2
600 #define AVRC_PF_9_SUPPORTED(x) ((x)[AVRC_PF_9_OFF] & AVRC_PF_9_MASK)
601 
602 #define AVRC_PF_DOT_BIT_NO 24
603 #define AVRC_PF_DOT_MASK 0x01
604 #define AVRC_PF_DOT_OFF 3
605 #define AVRC_PF_DOT_SUPPORTED(x) ((x)[AVRC_PF_DOT_OFF] & AVRC_PF_DOT_MASK)
606 
607 #define AVRC_PF_ENTER_BIT_NO 25
608 #define AVRC_PF_ENTER_MASK 0x02
609 #define AVRC_PF_ENTER_OFF 3
610 #define AVRC_PF_ENTER_SUPPORTED(x) ((x)[AVRC_PF_ENTER_OFF] & AVRC_PF_ENTER_MASK)
611 
612 #define AVRC_PF_CLEAR_BIT_NO 26
613 #define AVRC_PF_CLEAR_MASK 0x04
614 #define AVRC_PF_CLEAR_OFF 3
615 #define AVRC_PF_CLEAR_SUPPORTED(x) ((x)[AVRC_PF_CLEAR_OFF] & AVRC_PF_CLEAR_MASK)
616 
617 #define AVRC_PF_CHNL_UP_BIT_NO 27
618 #define AVRC_PF_CHNL_UP_MASK 0x08
619 #define AVRC_PF_CHNL_UP_OFF 3
620 #define AVRC_PF_CHNL_UP_SUPPORTED(x) \
621   ((x)[AVRC_PF_CHNL_UP_OFF] & AVRC_PF_CHNL_UP_MASK)
622 
623 #define AVRC_PF_CHNL_DOWN_BIT_NO 28
624 #define AVRC_PF_CHNL_DOWN_MASK 0x10
625 #define AVRC_PF_CHNL_DOWN_OFF 3
626 #define AVRC_PF_CHNL_DOWN_SUPPORTED(x) \
627   ((x)[AVRC_PF_CHNL_DOWN_OFF] & AVRC_PF_CHNL_DOWN_MASK)
628 
629 #define AVRC_PF_PREV_CHNL_BIT_NO 29
630 #define AVRC_PF_PREV_CHNL_MASK 0x20
631 #define AVRC_PF_PREV_CHNL_OFF 3
632 #define AVRC_PF_PREV_CHNL_SUPPORTED(x) \
633   ((x)[AVRC_PF_PREV_CHNL_OFF] & AVRC_PF_PREV_CHNL_MASK)
634 
635 #define AVRC_PF_SOUND_SEL_BIT_NO 30
636 #define AVRC_PF_SOUND_SEL_MASK 0x40
637 #define AVRC_PF_SOUND_SEL_OFF 3
638 #define AVRC_PF_SOUND_SEL_SUPPORTED(x) \
639   ((x)[AVRC_PF_SOUND_SEL_OFF] & AVRC_PF_SOUND_SEL_MASK)
640 
641 #define AVRC_PF_INPUT_SEL_BIT_NO 31
642 #define AVRC_PF_INPUT_SEL_MASK 0x80
643 #define AVRC_PF_INPUT_SEL_OFF 3
644 #define AVRC_PF_INPUT_SEL_SUPPORTED(x) \
645   ((x)[AVRC_PF_INPUT_SEL_OFF] & AVRC_PF_INPUT_SEL_MASK)
646 
647 #define AVRC_PF_DISP_INFO_BIT_NO 32
648 #define AVRC_PF_DISP_INFO_MASK 0x01
649 #define AVRC_PF_DISP_INFO_OFF 4
650 #define AVRC_PF_DISP_INFO_SUPPORTED(x) \
651   ((x)[AVRC_PF_DISP_INFO_OFF] & AVRC_PF_DISP_INFO_MASK)
652 
653 #define AVRC_PF_HELP_BIT_NO 33
654 #define AVRC_PF_HELP_MASK 0x02
655 #define AVRC_PF_HELP_OFF 4
656 #define AVRC_PF_HELP_SUPPORTED(x) ((x)[AVRC_PF_HELP_OFF] & AVRC_PF_HELP_MASK)
657 
658 #define AVRC_PF_PAGE_UP_BIT_NO 34
659 #define AVRC_PF_PAGE_UP_MASK 0x04
660 #define AVRC_PF_PAGE_UP_OFF 4
661 #define AVRC_PF_PAGE_UP_SUPPORTED(x) \
662   ((x)[AVRC_PF_PAGE_UP_OFF] & AVRC_PF_PAGE_UP_MASK)
663 
664 #define AVRC_PF_PAGE_DOWN_BIT_NO 35
665 #define AVRC_PF_PAGE_DOWN_MASK 0x08
666 #define AVRC_PF_PAGE_DOWN_OFF 4
667 #define AVRC_PF_PAGE_DOWN_SUPPORTED(x) \
668   ((x)[AVRC_PF_PAGE_DOWN_OFF] & AVRC_PF_PAGE_DOWN_MASK)
669 
670 #define AVRC_PF_POWER_BIT_NO 36
671 #define AVRC_PF_POWER_MASK 0x10
672 #define AVRC_PF_POWER_OFF 4
673 #define AVRC_PF_POWER_SUPPORTED(x) ((x)[AVRC_PF_POWER_OFF] & AVRC_PF_POWER_MASK)
674 
675 #define AVRC_PF_VOL_UP_BIT_NO 37
676 #define AVRC_PF_VOL_UP_MASK 0x20
677 #define AVRC_PF_VOL_UP_OFF 4
678 #define AVRC_PF_VOL_UP_SUPPORTED(x) \
679   ((x)[AVRC_PF_VOL_UP_OFF] & AVRC_PF_VOL_UP_MASK)
680 
681 #define AVRC_PF_VOL_DOWN_BIT_NO 38
682 #define AVRC_PF_VOL_DOWN_MASK 0x40
683 #define AVRC_PF_VOL_DOWN_OFF 4
684 #define AVRC_PF_VOL_DOWN_SUPPORTED(x) \
685   ((x)[AVRC_PF_VOL_DOWN_OFF] & AVRC_PF_VOL_DOWN_MASK)
686 
687 #define AVRC_PF_MUTE_BIT_NO 39
688 #define AVRC_PF_MUTE_MASK 0x80
689 #define AVRC_PF_MUTE_OFF 4
690 #define AVRC_PF_MUTE_SUPPORTED(x) ((x)[AVRC_PF_MUTE_OFF] & AVRC_PF_MUTE_MASK)
691 
692 #define AVRC_PF_PLAY_BIT_NO 40
693 #define AVRC_PF_PLAY_MASK 0x01
694 #define AVRC_PF_PLAY_OFF 5
695 #define AVRC_PF_PLAY_SUPPORTED(x) ((x)[AVRC_PF_PLAY_OFF] & AVRC_PF_PLAY_MASK)
696 
697 #define AVRC_PF_STOP_BIT_NO 41
698 #define AVRC_PF_STOP_MASK 0x02
699 #define AVRC_PF_STOP_OFF 5
700 #define AVRC_PF_STOP_SUPPORTED(x) ((x)[AVRC_PF_STOP_OFF] & AVRC_PF_STOP_MASK)
701 
702 #define AVRC_PF_PAUSE_BIT_NO 42
703 #define AVRC_PF_PAUSE_MASK 0x04
704 #define AVRC_PF_PAUSE_OFF 5
705 #define AVRC_PF_PAUSE_SUPPORTED(x) ((x)[AVRC_PF_PAUSE_OFF] & AVRC_PF_PAUSE_MASK)
706 
707 #define AVRC_PF_RECORD_BIT_NO 43
708 #define AVRC_PF_RECORD_MASK 0x08
709 #define AVRC_PF_RECORD_OFF 5
710 #define AVRC_PF_RECORD_SUPPORTED(x) \
711   ((x)[AVRC_PF_RECORD_OFF] & AVRC_PF_RECORD_MASK)
712 
713 #define AVRC_PF_REWIND_BIT_NO 44
714 #define AVRC_PF_REWIND_MASK 0x10
715 #define AVRC_PF_REWIND_OFF 5
716 #define AVRC_PF_REWIND_SUPPORTED(x) \
717   ((x)[AVRC_PF_REWIND_OFF] & AVRC_PF_REWIND_MASK)
718 
719 #define AVRC_PF_FAST_FWD_BIT_NO 45
720 #define AVRC_PF_FAST_FWD_MASK 0x20
721 #define AVRC_PF_FAST_FWD_OFF 5
722 #define AVRC_PF_FAST_FWD_SUPPORTED(x) \
723   ((x)[AVRC_PF_FAST_FWD_OFF] & AVRC_PF_FAST_FWD_MASK)
724 
725 #define AVRC_PF_EJECT_BIT_NO 46
726 #define AVRC_PF_EJECT_MASK 0x40
727 #define AVRC_PF_EJECT_OFF 5
728 #define AVRC_PF_EJECT_SUPPORTED(x) ((x)[AVRC_PF_EJECT_OFF] & AVRC_PF_EJECT_MASK)
729 
730 #define AVRC_PF_FORWARD_BIT_NO 47
731 #define AVRC_PF_FORWARD_MASK 0x80
732 #define AVRC_PF_FORWARD_OFF 5
733 #define AVRC_PF_FORWARD_SUPPORTED(x) \
734   ((x)[AVRC_PF_FORWARD_OFF] & AVRC_PF_FORWARD_MASK)
735 
736 #define AVRC_PF_BACKWARD_BIT_NO 48
737 #define AVRC_PF_BACKWARD_MASK 0x01
738 #define AVRC_PF_BACKWARD_OFF 6
739 #define AVRC_PF_BACKWARD_SUPPORTED(x) \
740   ((x)[AVRC_PF_BACKWARD_OFF] & AVRC_PF_BACKWARD_MASK)
741 
742 #define AVRC_PF_ANGLE_BIT_NO 49
743 #define AVRC_PF_ANGLE_MASK 0x02
744 #define AVRC_PF_ANGLE_OFF 6
745 #define AVRC_PF_ANGLE_SUPPORTED(x) ((x)[AVRC_PF_ANGLE_OFF] & AVRC_PF_ANGLE_MASK)
746 
747 #define AVRC_PF_SUBPICTURE_BIT_NO 50
748 #define AVRC_PF_SUBPICTURE_MASK 0x04
749 #define AVRC_PF_SUBPICTURE_OFF 6
750 #define AVRC_PF_SUBPICTURE_SUPPORTED(x) \
751   ((x)[AVRC_PF_SUBPICTURE_OFF] & AVRC_PF_SUBPICTURE_MASK)
752 
753 #define AVRC_PF_F1_BIT_NO 51
754 #define AVRC_PF_F1_MASK 0x08
755 #define AVRC_PF_F1_OFF 6
756 #define AVRC_PF_F1_SUPPORTED(x) ((x)[AVRC_PF_F1_OFF] & AVRC_PF_F1_MASK)
757 
758 #define AVRC_PF_F2_BIT_NO 52
759 #define AVRC_PF_F2_MASK 0x10
760 #define AVRC_PF_F2_OFF 6
761 #define AVRC_PF_F2_SUPPORTED(x) ((x)[AVRC_PF_F2_OFF] & AVRC_PF_F2_MASK)
762 
763 #define AVRC_PF_F3_BIT_NO 53
764 #define AVRC_PF_F3_MASK 0x20
765 #define AVRC_PF_F3_OFF 6
766 #define AVRC_PF_F3_SUPPORTED(x) ((x)[AVRC_PF_F3_OFF] & AVRC_PF_F3_MASK)
767 
768 #define AVRC_PF_F4_BIT_NO 54
769 #define AVRC_PF_F4_MASK 0x40
770 #define AVRC_PF_F4_OFF 6
771 #define AVRC_PF_F4_SUPPORTED(x) ((x)[AVRC_PF_F4_OFF] & AVRC_PF_F4_MASK)
772 
773 #define AVRC_PF_F5_BIT_NO 55
774 #define AVRC_PF_F5_MASK 0x80
775 #define AVRC_PF_F5_OFF 6
776 #define AVRC_PF_F5_SUPPORTED(x) ((x)[AVRC_PF_F5_OFF] & AVRC_PF_F5_MASK)
777 
778 /* Vendor unique. This PASSTHROUGH command is supported. */
779 #define AVRC_PF_VENDOR_BIT_NO 56
780 #define AVRC_PF_VENDOR_MASK 0x01
781 #define AVRC_PF_VENDOR_OFF 7
782 #define AVRC_PF_VENDOR_SUPPORTED(x) \
783   ((x)[AVRC_PF_VENDOR_OFF] & AVRC_PF_VENDOR_MASK)
784 
785 /* Basic Group Navigation.  This overrules the SDP entry as it is set per
786  * player.7 */
787 #define AVRC_PF_GROUP_NAVI_BIT_NO 57
788 #define AVRC_PF_GROUP_NAVI_MASK 0x02
789 #define AVRC_PF_GROUP_NAVI_OFF 7
790 #define AVRC_PF_GROUP_NAVI_SUPPORTED(x) \
791   ((x)[AVRC_PF_GROUP_NAVI_OFF] & AVRC_PF_GROUP_NAVI_MASK)
792 
793 /* Advanced Control Player.  This bit is set if the player supports at least
794  * AVRCP 1.4. */
795 #define AVRC_PF_ADV_CTRL_BIT_NO 58
796 #define AVRC_PF_ADV_CTRL_MASK 0x04
797 #define AVRC_PF_ADV_CTRL_OFF 7
798 #define AVRC_PF_ADV_CTRL_SUPPORTED(x) \
799   ((x)[AVRC_PF_ADV_CTRL_OFF] & AVRC_PF_ADV_CTRL_MASK)
800 
801 /* Browsing.  This bit is set if the player supports browsing. */
802 #define AVRC_PF_BROWSE_BIT_NO 59
803 #define AVRC_PF_BROWSE_MASK 0x08
804 #define AVRC_PF_BROWSE_OFF 7
805 #define AVRC_PF_BROWSE_SUPPORTED(x) \
806   ((x)[AVRC_PF_BROWSE_OFF] & AVRC_PF_BROWSE_MASK)
807 
808 /* Searching. This bit is set if the player supports searching. */
809 #define AVRC_PF_SEARCH_BIT_NO 60
810 #define AVRC_PF_SEARCH_MASK 0x10
811 #define AVRC_PF_SEARCH_OFF 7
812 #define AVRC_PF_SEARCH_SUPPORTED(x) \
813   ((x)[AVRC_PF_SEARCH_OFF] & AVRC_PF_SEARCH_MASK)
814 
815 /* AddToNowPlaying.  This bit is set if the player supports the AddToNowPlaying
816  * command. */
817 #define AVRC_PF_ADD2NOWPLAY_BIT_NO 61
818 #define AVRC_PF_ADD2NOWPLAY_MASK 0x20
819 #define AVRC_PF_ADD2NOWPLAY_OFF 7
820 #define AVRC_PF_ADD2NOWPLAY_SUPPORTED(x) \
821   ((x)[AVRC_PF_ADD2NOWPLAY_OFF] & AVRC_PF_ADD2NOWPLAY_MASK)
822 
823 /* UIDs unique in player browse tree.  This bit is set if the player is able to
824  * maintain unique UIDs across the player browse tree. */
825 #define AVRC_PF_UID_UNIQUE_BIT_NO 62
826 #define AVRC_PF_UID_UNIQUE_MASK 0x40
827 #define AVRC_PF_UID_UNIQUE_OFF 7
828 #define AVRC_PF_UID_UNIQUE_SUPPORTED(x) \
829   ((x)[AVRC_PF_UID_UNIQUE_OFF] & AVRC_PF_UID_UNIQUE_MASK)
830 
831 /* OnlyBrowsableWhenAddressed.  This bit is set if the player is only able to be
832  * browsed when it is set as the Addressed Player. */
833 #define AVRC_PF_BR_WH_ADDR_BIT_NO 63
834 #define AVRC_PF_BR_WH_ADDR_MASK 0x80
835 #define AVRC_PF_BR_WH_ADDR_OFF 7
836 #define AVRC_PF_BR_WH_ADDR_SUPPORTED(x) \
837   ((x)[AVRC_PF_BR_WH_ADDR_OFF] & AVRC_PF_BR_WH_ADDR_MASK)
838 
839 /* OnlySearchableWhenAddressed.  This bit is set if the player is only able to
840  * be searched when it is set as the Addressed player. */
841 #define AVRC_PF_SEARCH_WH_ADDR_BIT_NO 64
842 #define AVRC_PF_SEARCH_WH_ADDR_MASK 0x01
843 #define AVRC_PF_SEARCH_WH_ADDR_OFF 8
844 #define AVRC_PF_SEARCH_WH_ADDR_SUPPORTED(x) \
845   ((x)[AVRC_PF_SEARCH_WH_ADDR_OFF] & AVRC_PF_SEARCH_WH_ADDR_MASK)
846 
847 /* NowPlaying.  This bit is set if the player supports the NowPlaying folder.
848  * Note that for all players that support browsing this bit shall be set */
849 #define AVRC_PF_NOW_PLAY_BIT_NO 65
850 #define AVRC_PF_NOW_PLAY_MASK 0x02
851 #define AVRC_PF_NOW_PLAY_OFF 8
852 #define AVRC_PF_NOW_PLAY_SUPPORTED(x) \
853   ((x)[AVRC_PF_NOW_PLAY_OFF] & AVRC_PF_NOW_PLAY_MASK)
854 
855 /* UIDPersistency.  This bit is set if the Player is able to persist UID values
856  * between AVRCP Browse Reconnect */
857 #define AVRC_PF_UID_PERSIST_BIT_NO 66
858 #define AVRC_PF_UID_PERSIST_MASK 0x04
859 #define AVRC_PF_UID_PERSIST_OFF 8
860 #define AVRC_PF_UID_PERSIST_SUPPORTED(x) \
861   ((x)[AVRC_PF_UID_PERSIST_OFF] & AVRC_PF_UID_PERSIST_MASK)
862 
863 /* NumberOfItems. This bit is set if player supports the GetTotalNumberOfItems
864  * browsing command. */
865 #define AVRC_PF_GET_NUM_OF_ITEMS_BIT_NO 67
866 #define AVRC_PF_GET_NUM_OF_ITEMS_MASK 0x08
867 #define AVRC_PF_GET_NUM_OF_ITEMS_OFF 8
868 #define AVRC_PF_GET_NUM_OF_ITEMS_SUPPORTED(x) \
869   ((x)[AVRC_PF_GET_NUM_OF_ITEMS_OFF] & AVRC_PF_GET_NUM_OF_ITEMS_MASK)
870 
871 /*****************************************************************************
872  *  data type definitions
873  ****************************************************************************/
874 
875 /*
876 This structure contains the header parameters of an AV/C message.
877 */
878 typedef struct {
879   uint8_t ctype;        /* Command type.  */
880   uint8_t subunit_type; /* Subunit type. */
881   uint8_t subunit_id; /* Subunit ID.  This value is typically ignored in AVRCP,
882                        * except for VENDOR DEPENDENT messages when the value is
883                        * vendor-dependent.  Value range is 0-7. */
884   uint8_t opcode;     /* Op Code (passthrough, vendor, etc) */
885 } tAVRC_HDR;
886 
887 /* This structure contains a UNIT INFO message. */
888 typedef struct {
889   tAVRC_HDR hdr;       /* Message header. */
890   uint32_t company_id; /* Company identifier. */
891   uint8_t unit_type;   /* Unit type.  Uses the same values as subunit type. */
892   uint8_t unit;        /* This value is vendor dependent and typically zero.  */
893 } tAVRC_MSG_UNIT;
894 
895 /* This structure contains a SUBUNIT INFO message. */
896 typedef struct {
897   tAVRC_HDR hdr; /* Message header. */
898   uint8_t subunit_type[AVRC_SUB_TYPE_LEN];
899   /* Array containing subunit type values.  */
900   bool panel;   /* true if the panel subunit type is in the
901                  * subunit_type array, false otherwise. */
902   uint8_t page; /* Specifies which part of the subunit type table is
903                  * returned.  For AVRCP it is typically zero.
904                  * Value range is 0-7. */
905 } tAVRC_MSG_SUB;
906 
907 /* This structure contains a VENDOR DEPENDENT message. */
908 typedef struct {
909   tAVRC_HDR hdr;          /* Message header. */
910   uint32_t company_id;    /* Company identifier. */
911   uint8_t* p_vendor_data; /* Pointer to vendor dependent data. */
912   uint16_t vendor_len;    /* Length in bytes of vendor dependent data. */
913 } tAVRC_MSG_VENDOR;
914 
915 /* PASS THROUGH message structure */
916 typedef struct {
917   tAVRC_HDR hdr;        /* hdr.ctype Unused.
918                          * hdr.subunit_type Unused.
919                          * hdr.subunit_id Unused. */
920   uint8_t op_id;        /* Operation ID.  */
921   uint8_t state;        /* Keypress state.  */
922   uint8_t* p_pass_data; /* Pointer to data.  This parameter is only valid
923                          * when the op_id is AVRC_ID_VENDOR.*/
924   uint8_t pass_len;     /* Length in bytes of data. This parameter is only
925                          * valid when the op_id is AVRC_ID_VENDOR.*/
926 } tAVRC_MSG_PASS;
927 
928 /* Command/Response indicator. */
929 #define AVRC_CMD AVCT_CMD /* Command message */
930 #define AVRC_RSP AVCT_RSP /* Response message */
931 
932 /* Browsing channel message structure */
933 typedef struct {
934   tAVRC_HDR hdr;          /* hdr.ctype AVRC_CMD or AVRC_RSP.
935                            * hdr.subunit_type Unused.
936                            * hdr.subunit_id Unused. */
937   uint8_t* p_browse_data; /* Pointer to data.  */
938   uint16_t browse_len;    /* Length in bytes of data. */
939   BT_HDR* p_browse_pkt; /* The GKI buffer received. Set to NULL, if the callback
940                            function wants to keep the buffer */
941 } tAVRC_MSG_BROWSE;
942 
943 /* This is a union of all message type structures. */
944 typedef union {
945   tAVRC_HDR hdr;           /* Message header. */
946   tAVRC_MSG_UNIT unit;     /* UNIT INFO message. */
947   tAVRC_MSG_SUB sub;       /* SUBUNIT INFO message. */
948   tAVRC_MSG_VENDOR vendor; /* VENDOR DEPENDENT message. */
949   tAVRC_MSG_PASS pass;     /* PASS THROUGH message. */
950   tAVRC_MSG_BROWSE browse; /* messages thru browsing channel */
951 } tAVRC_MSG;
952 
953 /* macros */
954 #define AVRC_IS_VALID_CAP_ID(a)                                         \
955   ((((a) == AVRC_CAP_COMPANY_ID) || ((a) == AVRC_CAP_EVENTS_SUPPORTED)) \
956        ? true                                                           \
957        : false)
958 
959 #define AVRC_IS_VALID_EVENT_ID(a)                                            \
960   ((((a) >= AVRC_EVT_PLAY_STATUS_CHANGE) && ((a) <= AVRC_EVT_VOLUME_CHANGE)) \
961        ? true                                                                \
962        : false)
963 
964 #define AVRC_IS_VALID_ATTRIBUTE(a)                      \
965   ((((((a) > 0) && (a) <= AVRC_PLAYER_SETTING_SCAN)) || \
966     ((a) >= AVRC_PLAYER_SETTING_LOW_MENU_EXT))          \
967        ? true                                           \
968        : false)
969 
970 #define AVRC_IS_VALID_MEDIA_ATTRIBUTE(a)            \
971   (((a) >= AVRC_MEDIA_ATTR_ID_TITLE) &&             \
972            ((a) <= AVRC_MAX_NUM_MEDIA_ATTR_ID) \
973        ? true                                       \
974        : false)
975 
976 #define AVRC_IS_VALID_BATTERY_STATUS(a) \
977   (((a) <= AVRC_BATTERY_STATUS_FULL_CHARGE) ? true : false)
978 
979 #define AVRC_IS_VALID_SYSTEM_STATUS(a) \
980   (((a) <= AVRC_SYSTEMSTATE_PWR_UNPLUGGED) ? true : false)
981 
982 #define AVRC_IS_VALID_GROUP(a) (((a) <= AVRC_PDU_PREV_GROUP) ? true : false)
983 
984 /* Company ID is 24-bit integer We can not use the macros in bt_types.h */
985 #define AVRC_CO_ID_TO_BE_STREAM(p, u32) \
986   {                                     \
987     *(p)++ = (uint8_t)((u32) >> 16);    \
988     *(p)++ = (uint8_t)((u32) >> 8);     \
989     *(p)++ = (uint8_t)(u32);            \
990   }
991 #define AVRC_BE_STREAM_TO_CO_ID(u32, p)                                   \
992   {                                                                       \
993     (u32) = (((uint32_t)(*((p) + 2))) + (((uint32_t)(*((p) + 1))) << 8) + \
994              (((uint32_t)(*(p))) << 16));                                 \
995     (p) += 3;                                                             \
996   }
997 
998 /*****************************************************************************
999  *  data type definitions
1000  ****************************************************************************/
1001 #define AVRC_MAX_APP_ATTR_SIZE 16
1002 #define AVRC_MAX_CHARSET_SIZE 16
1003 #define AVRC_MAX_ELEM_ATTR_SIZE 8
1004 
1005 /*****************************************************************************
1006  *  Metadata transfer Building/Parsing definitions
1007  ****************************************************************************/
1008 
1009 typedef struct {
1010   uint16_t charset_id;
1011   uint16_t str_len;
1012   uint8_t* p_str;
1013 } tAVRC_FULL_NAME;
1014 
1015 typedef struct {
1016   uint16_t str_len;
1017   uint8_t* p_str;
1018 } tAVRC_NAME;
1019 
1020 #ifndef AVRC_CAP_MAX_NUM_COMP_ID
1021 #define AVRC_CAP_MAX_NUM_COMP_ID 4
1022 #endif
1023 
1024 #ifndef AVRC_CAP_MAX_NUM_EVT_ID
1025 #define AVRC_CAP_MAX_NUM_EVT_ID 16
1026 #endif
1027 
1028 typedef union {
1029   uint32_t company_id[AVRC_CAP_MAX_NUM_COMP_ID];
1030   uint8_t event_id[AVRC_CAP_MAX_NUM_EVT_ID];
1031 } tAVRC_CAPS_PARAM;
1032 
1033 typedef struct {
1034   uint8_t attr_id;
1035   uint8_t attr_val;
1036 } tAVRC_APP_SETTING;
1037 
1038 typedef struct {
1039   uint8_t attr_id;
1040   uint16_t charset_id;
1041   uint8_t str_len;
1042   uint8_t* p_str;
1043 } tAVRC_APP_SETTING_TEXT;
1044 
1045 typedef uint8_t tAVRC_FEATURE_MASK[AVRC_FEATURE_MASK_SIZE];
1046 
1047 typedef struct {
1048   uint16_t player_id;  /* A unique identifier for this media player.*/
1049   uint8_t major_type;  /* Use AVRC_MJ_TYPE_AUDIO, AVRC_MJ_TYPE_VIDEO,
1050                           AVRC_MJ_TYPE_BC_AUDIO, or AVRC_MJ_TYPE_BC_VIDEO.*/
1051   uint32_t sub_type;   /* Use AVRC_SUB_TYPE_NONE, AVRC_SUB_TYPE_AUDIO_BOOK, or
1052                           AVRC_SUB_TYPE_PODCAST*/
1053   uint8_t play_status; /* Use AVRC_PLAYSTATE_STOPPED, AVRC_PLAYSTATE_PLAYING,
1054                           AVRC_PLAYSTATE_PAUSED, AVRC_PLAYSTATE_FWD_SEEK,
1055                            AVRC_PLAYSTATE_REV_SEEK, or AVRC_PLAYSTATE_ERROR*/
1056   tAVRC_FEATURE_MASK features; /* Supported feature bit mask*/
1057   tAVRC_FULL_NAME name; /* The player name, name length and character set id.*/
1058 } tAVRC_ITEM_PLAYER;
1059 
1060 typedef struct {
1061   tAVRC_UID uid;        /* The uid of this folder */
1062   uint8_t type;         /* Use AVRC_FOLDER_TYPE_MIXED, AVRC_FOLDER_TYPE_TITLES,
1063                            AVRC_FOLDER_TYPE_ALNUMS, AVRC_FOLDER_TYPE_ARTISTS,
1064                            AVRC_FOLDER_TYPE_GENRES,
1065                            AVRC_FOLDER_TYPE_PLAYLISTS, or AVRC_FOLDER_TYPE_YEARS.*/
1066   bool playable;        /* true, if the folder can be played. */
1067   tAVRC_FULL_NAME name; /* The folder name, name length and character set id. */
1068 } tAVRC_ITEM_FOLDER;
1069 
1070 typedef struct {
1071   uint32_t
1072       attr_id; /* Use AVRC_MEDIA_ATTR_ID_TITLE, AVRC_MEDIA_ATTR_ID_ARTIST,
1073                   AVRC_MEDIA_ATTR_ID_ALBUM,
1074                   AVRC_MEDIA_ATTR_ID_TRACK_NUM, AVRC_MEDIA_ATTR_ID_NUM_TRACKS,
1075                   AVRC_MEDIA_ATTR_ID_GENRE, AVRC_MEDIA_ATTR_ID_PLAYING_TIME */
1076   tAVRC_FULL_NAME
1077       name; /* The attribute value, value length and character set id. */
1078 } tAVRC_ATTR_ENTRY;
1079 
1080 typedef struct {
1081   tAVRC_UID uid; /* The uid of this media element item */
1082   uint8_t type;  /* Use AVRC_MEDIA_TYPE_AUDIO or AVRC_MEDIA_TYPE_VIDEO. */
1083   tAVRC_FULL_NAME name; /* The media name, name length and character set id. */
1084   uint8_t attr_count;   /* The number of attributes in p_attr_list */
1085   tAVRC_ATTR_ENTRY* p_attr_list; /* Attribute entry list. */
1086 } tAVRC_ITEM_MEDIA;
1087 
1088 typedef struct {
1089   uint8_t
1090       item_type; /* AVRC_ITEM_PLAYER, AVRC_ITEM_FOLDER, or AVRC_ITEM_MEDIA */
1091   union {
1092     tAVRC_ITEM_PLAYER player; /* The properties of a media player item.*/
1093     tAVRC_ITEM_FOLDER folder; /* The properties of a folder item.*/
1094     tAVRC_ITEM_MEDIA media;   /* The properties of a media item.*/
1095   } u;
1096 } tAVRC_ITEM;
1097 
1098 /* GetCapability */
1099 typedef struct {
1100   uint8_t pdu;
1101   tAVRC_STS status;
1102   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1103   uint8_t capability_id;
1104 } tAVRC_GET_CAPS_CMD;
1105 
1106 /* ListPlayerAppValues */
1107 typedef struct {
1108   uint8_t pdu;
1109   tAVRC_STS status;
1110   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1111   uint8_t attr_id;
1112 } tAVRC_LIST_APP_VALUES_CMD;
1113 
1114 /* GetCurAppValue */
1115 typedef struct {
1116   uint8_t pdu;
1117   tAVRC_STS status;
1118   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1119   uint8_t num_attr;
1120   uint8_t attrs[AVRC_MAX_APP_ATTR_SIZE];
1121 } tAVRC_GET_CUR_APP_VALUE_CMD;
1122 
1123 /* SetAppValue */
1124 typedef struct {
1125   uint8_t pdu;
1126   tAVRC_STS status;
1127   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1128   uint8_t num_val;
1129   tAVRC_APP_SETTING* p_vals;
1130 } tAVRC_SET_APP_VALUE_CMD;
1131 
1132 /* GetAppAttrTxt */
1133 typedef struct {
1134   uint8_t pdu;
1135   tAVRC_STS status;
1136   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1137   uint8_t num_attr;
1138   uint8_t attrs[AVRC_MAX_APP_ATTR_SIZE];
1139 } tAVRC_GET_APP_ATTR_TXT_CMD;
1140 
1141 /* GetAppValueTxt */
1142 typedef struct {
1143   uint8_t pdu;
1144   tAVRC_STS status;
1145   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1146   uint8_t attr_id;
1147   uint8_t num_val;
1148   uint8_t vals[AVRC_MAX_APP_ATTR_SIZE];
1149 } tAVRC_GET_APP_VAL_TXT_CMD;
1150 
1151 /* InformCharset */
1152 typedef struct {
1153   uint8_t pdu;
1154   tAVRC_STS status;
1155   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1156   uint8_t num_id;
1157   uint16_t charsets[AVRC_MAX_CHARSET_SIZE];
1158 } tAVRC_INFORM_CHARSET_CMD;
1159 
1160 /* InformBatteryStatus */
1161 typedef struct {
1162   uint8_t pdu;
1163   tAVRC_STS status;
1164   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1165   uint8_t battery_status;
1166 } tAVRC_BATTERY_STATUS_CMD;
1167 
1168 /* GetElemAttrs */
1169 typedef struct {
1170   uint8_t pdu;
1171   tAVRC_STS status;
1172   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1173   uint8_t num_attr;
1174   uint32_t attrs[AVRC_MAX_ELEM_ATTR_SIZE];
1175 } tAVRC_GET_ELEM_ATTRS_CMD;
1176 
1177 /* RegNotify */
1178 typedef struct {
1179   uint8_t pdu;
1180   tAVRC_STS status;
1181   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1182   uint8_t event_id;
1183   uint32_t param;
1184 } tAVRC_REG_NOTIF_CMD;
1185 
1186 /* SetAddrPlayer */
1187 typedef struct {
1188   uint8_t pdu;
1189   tAVRC_STS status;
1190   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1191   uint16_t player_id;
1192 } tAVRC_SET_ADDR_PLAYER_CMD;
1193 
1194 /* SetBrowsedPlayer */
1195 typedef struct {
1196   uint8_t pdu;
1197   tAVRC_STS status;
1198   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1199   uint16_t player_id;
1200 } tAVRC_SET_BR_PLAYER_CMD;
1201 
1202 /* SetAbsVolume */
1203 typedef struct {
1204   uint8_t pdu;
1205   tAVRC_STS status;
1206   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1207   uint8_t volume;
1208 } tAVRC_SET_VOLUME_CMD;
1209 
1210 /* GetFolderItems */
1211 typedef struct {
1212   uint8_t pdu;
1213   tAVRC_STS status;
1214   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1215   uint8_t scope;
1216   uint32_t start_item;
1217   uint32_t end_item;
1218   uint8_t attr_count;
1219   uint32_t* p_attr_list;
1220 } tAVRC_GET_ITEMS_CMD;
1221 
1222 /* ChangePath */
1223 typedef struct {
1224   uint8_t pdu;
1225   tAVRC_STS status;
1226   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1227   uint16_t uid_counter;
1228   uint8_t direction;
1229   tAVRC_UID folder_uid;
1230 } tAVRC_CHG_PATH_CMD;
1231 
1232 /* GetItemAttrs */
1233 typedef struct {
1234   uint8_t pdu;
1235   tAVRC_STS status;
1236   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1237   uint8_t scope;
1238   tAVRC_UID uid;
1239   uint16_t uid_counter;
1240   uint8_t attr_count;
1241   uint32_t* p_attr_list;
1242 } tAVRC_GET_ATTRS_CMD;
1243 
1244 /* Search */
1245 typedef struct {
1246   uint8_t pdu;
1247   tAVRC_STS status;
1248   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1249   tAVRC_FULL_NAME string;
1250 } tAVRC_SEARCH_CMD;
1251 
1252 /* PlayItem */
1253 typedef struct {
1254   uint8_t pdu;
1255   tAVRC_STS status;
1256   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1257   uint8_t scope;
1258   tAVRC_UID uid;
1259   uint16_t uid_counter;
1260 } tAVRC_PLAY_ITEM_CMD;
1261 
1262 /* AddToNowPlaying */
1263 typedef struct {
1264   uint8_t pdu;
1265   tAVRC_STS status;
1266   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1267   uint8_t scope;
1268   tAVRC_UID uid;
1269   uint16_t uid_counter;
1270 } tAVRC_ADD_TO_PLAY_CMD;
1271 
1272 /* GetTotalNumOfItems */
1273 typedef struct {
1274   uint8_t pdu;
1275   tAVRC_STS status;
1276   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1277   uint8_t scope;
1278 } tAVRC_GET_NUM_OF_ITEMS_CMD;
1279 
1280 typedef struct {
1281   uint8_t pdu;
1282   tAVRC_STS status;
1283   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1284 } tAVRC_CMD;
1285 
1286 /* Continue and Abort */
1287 typedef struct {
1288   uint8_t pdu;
1289   tAVRC_STS status;
1290   uint8_t opcode; /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1291   uint8_t target_pdu;
1292 } tAVRC_NEXT_CMD;
1293 
1294 typedef union {
1295   uint8_t pdu;
1296   tAVRC_CMD cmd;
1297   tAVRC_GET_CAPS_CMD get_caps;                    /* GetCapability */
1298   tAVRC_CMD list_app_attr;                        /* ListPlayerAppAttr */
1299   tAVRC_LIST_APP_VALUES_CMD list_app_values;      /* ListPlayerAppValues */
1300   tAVRC_GET_CUR_APP_VALUE_CMD get_cur_app_val;    /* GetCurAppValue */
1301   tAVRC_SET_APP_VALUE_CMD set_app_val;            /* SetAppValue */
1302   tAVRC_GET_APP_ATTR_TXT_CMD get_app_attr_txt;    /* GetAppAttrTxt */
1303   tAVRC_GET_APP_VAL_TXT_CMD get_app_val_txt;      /* GetAppValueTxt */
1304   tAVRC_INFORM_CHARSET_CMD inform_charset;        /* InformCharset */
1305   tAVRC_BATTERY_STATUS_CMD inform_battery_status; /* InformBatteryStatus */
1306   tAVRC_GET_ELEM_ATTRS_CMD get_elem_attrs;        /* GetElemAttrs */
1307   tAVRC_CMD get_play_status;                      /* GetPlayStatus */
1308   tAVRC_REG_NOTIF_CMD reg_notif;                  /* RegNotify */
1309   tAVRC_NEXT_CMD continu;                         /* Continue */
1310   tAVRC_NEXT_CMD abort;                           /* Abort */
1311 
1312   tAVRC_SET_ADDR_PLAYER_CMD addr_player;       /* SetAddrPlayer */
1313   tAVRC_SET_VOLUME_CMD volume;                 /* SetAbsVolume */
1314   tAVRC_SET_BR_PLAYER_CMD br_player;           /* SetBrowsedPlayer */
1315   tAVRC_GET_ITEMS_CMD get_items;               /* GetFolderItems */
1316   tAVRC_CHG_PATH_CMD chg_path;                 /* ChangePath */
1317   tAVRC_GET_ATTRS_CMD get_attrs;               /* GetItemAttrs */
1318   tAVRC_SEARCH_CMD search;                     /* Search */
1319   tAVRC_PLAY_ITEM_CMD play_item;               /* PlayItem */
1320   tAVRC_ADD_TO_PLAY_CMD add_to_play;           /* AddToNowPlaying */
1321   tAVRC_GET_NUM_OF_ITEMS_CMD get_num_of_items; /* GetTotalNumOfItems */
1322 } tAVRC_COMMAND;
1323 
1324 /* GetCapability */
1325 typedef struct {
1326   uint8_t pdu;
1327   tAVRC_STS status;
1328   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1329                      user. invalid one to generate according to pdu) */
1330   uint8_t capability_id;
1331   uint8_t count;
1332   tAVRC_CAPS_PARAM param;
1333 } tAVRC_GET_CAPS_RSP;
1334 
1335 /* ListPlayerAppAttr */
1336 typedef struct {
1337   uint8_t pdu;
1338   tAVRC_STS status;
1339   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1340                      user. invalid one to generate according to pdu) */
1341   uint8_t num_attr;
1342   uint8_t attrs[AVRC_MAX_APP_ATTR_SIZE];
1343 } tAVRC_LIST_APP_ATTR_RSP;
1344 
1345 /* ListPlayerAppValues */
1346 typedef struct {
1347   uint8_t pdu;
1348   tAVRC_STS status;
1349   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1350                      user. invalid one to generate according to pdu) */
1351   uint8_t num_val;
1352   uint8_t vals[AVRC_MAX_APP_ATTR_SIZE];
1353 } tAVRC_LIST_APP_VALUES_RSP;
1354 
1355 /* GetCurAppValue */
1356 typedef struct {
1357   uint8_t pdu;
1358   tAVRC_STS status;
1359   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1360                      user. invalid one to generate according to pdu) */
1361   uint8_t num_val;
1362   tAVRC_APP_SETTING* p_vals;
1363 } tAVRC_GET_CUR_APP_VALUE_RSP;
1364 
1365 /* GetAppAttrTxt */
1366 typedef struct {
1367   uint8_t pdu;
1368   tAVRC_STS status;
1369   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1370                      user. invalid one to generate according to pdu) */
1371   uint8_t num_attr;
1372   tAVRC_APP_SETTING_TEXT* p_attrs;
1373 } tAVRC_GET_APP_ATTR_TXT_RSP;
1374 
1375 /* GetPlayStatus */
1376 typedef struct {
1377   uint8_t pdu;
1378   tAVRC_STS status;
1379   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1380                      user. invalid one to generate according to pdu) */
1381   uint32_t song_len;
1382   uint32_t song_pos;
1383   uint8_t play_status;
1384 } tAVRC_GET_PLAY_STATUS_RSP;
1385 
1386 /* notification event parameter for AddressedPlayer change */
1387 typedef struct {
1388   uint16_t player_id;
1389   uint16_t uid_counter;
1390 } tAVRC_ADDR_PLAYER_PARAM;
1391 
1392 #ifndef AVRC_MAX_APP_SETTINGS
1393 #define AVRC_MAX_APP_SETTINGS 8
1394 #endif
1395 
1396 /* notification event parameter for Player Application setting change */
1397 typedef struct {
1398   uint8_t num_attr;
1399   uint8_t attr_id[AVRC_MAX_APP_SETTINGS];
1400   uint8_t attr_value[AVRC_MAX_APP_SETTINGS];
1401 } tAVRC_PLAYER_APP_PARAM;
1402 
1403 typedef union {
1404   tAVRC_PLAYSTATE play_status;
1405   tAVRC_UID track;
1406   uint32_t play_pos;
1407   tAVRC_BATTERY_STATUS battery_status;
1408   tAVRC_SYSTEMSTATE system_status;
1409   tAVRC_PLAYER_APP_PARAM player_setting;
1410   tAVRC_ADDR_PLAYER_PARAM addr_player;
1411   uint16_t uid_counter;
1412   uint8_t volume;
1413 } tAVRC_NOTIF_RSP_PARAM;
1414 
1415 /* RegNotify */
1416 typedef struct {
1417   uint8_t pdu;
1418   tAVRC_STS status;
1419   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1420                      user. invalid one to generate according to pdu) */
1421   uint8_t event_id;
1422   tAVRC_NOTIF_RSP_PARAM param;
1423 } tAVRC_REG_NOTIF_RSP;
1424 
1425 /* SetAbsVolume */
1426 typedef struct {
1427   uint8_t pdu;
1428   tAVRC_STS status;
1429   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1430                      user. invalid one to generate according to pdu) */
1431   uint8_t volume;
1432 } tAVRC_SET_VOLUME_RSP;
1433 
1434 /* SetBrowsedPlayer */
1435 typedef struct {
1436   uint8_t pdu;
1437   tAVRC_STS status;
1438   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1439                      user. invalid one to generate according to pdu) */
1440   uint16_t uid_counter;
1441   uint32_t num_items;
1442   uint16_t charset_id;
1443   uint8_t folder_depth;
1444   tAVRC_NAME* p_folders;
1445 } tAVRC_SET_BR_PLAYER_RSP;
1446 
1447 /* GetFolderItems */
1448 typedef struct {
1449   uint8_t pdu;
1450   tAVRC_STS status;
1451   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1452                      user. invalid one to generate according to pdu) */
1453   uint16_t uid_counter;
1454   uint16_t item_count;
1455   tAVRC_ITEM* p_item_list;
1456 } tAVRC_GET_ITEMS_RSP;
1457 
1458 /* ChangePath */
1459 typedef struct {
1460   uint8_t pdu;
1461   tAVRC_STS status;
1462   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1463                      user. invalid one to generate according to pdu) */
1464   uint32_t num_items;
1465 } tAVRC_CHG_PATH_RSP;
1466 
1467 /* GetItemAttrs, GetElemAttrs */
1468 typedef struct {
1469   uint8_t pdu;
1470   tAVRC_STS status;
1471   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1472                      user. invalid one to generate according to pdu) */
1473   uint8_t num_attrs;
1474   tAVRC_ATTR_ENTRY* p_attrs;
1475 } tAVRC_GET_ATTRS_RSP;
1476 
1477 /* Get Total Number of Items */
1478 typedef struct {
1479   uint8_t pdu;
1480   tAVRC_STS status;
1481   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1482                      user. invalid one to generate according to pdu) */
1483   uint16_t uid_counter;
1484   uint32_t num_items;
1485 } tAVRC_GET_NUM_OF_ITEMS_RSP;
1486 
1487 /* Search */
1488 typedef struct {
1489   uint8_t pdu;
1490   tAVRC_STS status;
1491   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1492                      user. invalid one to generate according to pdu) */
1493   uint16_t uid_counter;
1494   uint32_t num_items;
1495 } tAVRC_SEARCH_RSP;
1496 
1497 typedef struct {
1498   uint8_t pdu;
1499   tAVRC_STS status;
1500   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1501                      user. invalid one to generate according to pdu) */
1502   uint8_t target_pdu;
1503 } tAVRC_NEXT_RSP;
1504 
1505 typedef struct {
1506   uint8_t pdu;
1507   tAVRC_STS status;
1508   uint8_t opcode; /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse
1509                      user. invalid one to generate according to pdu) */
1510 } tAVRC_RSP;
1511 
1512 typedef union {
1513   uint8_t pdu;
1514   tAVRC_RSP rsp;
1515   tAVRC_GET_CAPS_RSP get_caps;                 /* GetCapability */
1516   tAVRC_LIST_APP_ATTR_RSP list_app_attr;       /* ListPlayerAppAttr */
1517   tAVRC_LIST_APP_VALUES_RSP list_app_values;   /* ListPlayerAppValues */
1518   tAVRC_GET_CUR_APP_VALUE_RSP get_cur_app_val; /* GetCurAppValue */
1519   tAVRC_RSP set_app_val;                       /* SetAppValue */
1520   tAVRC_GET_APP_ATTR_TXT_RSP get_app_attr_txt; /* GetAppAttrTxt */
1521   tAVRC_GET_APP_ATTR_TXT_RSP get_app_val_txt;  /* GetAppValueTxt */
1522   tAVRC_RSP inform_charset;                    /* InformCharset */
1523   tAVRC_RSP inform_battery_status;             /* InformBatteryStatus */
1524   tAVRC_GET_PLAY_STATUS_RSP get_play_status;   /* GetPlayStatus */
1525   tAVRC_REG_NOTIF_RSP reg_notif;               /* RegNotify */
1526   tAVRC_NEXT_RSP continu;                      /* Continue */
1527   tAVRC_NEXT_RSP abort;                        /* Abort */
1528   tAVRC_RSP addr_player;                       /* SetAddrPlayer */
1529   tAVRC_SET_VOLUME_RSP volume;                 /* SetAbsVolume */
1530   tAVRC_SET_BR_PLAYER_RSP br_player;           /* SetBrowsedPlayer */
1531   tAVRC_GET_ITEMS_RSP get_items;               /* GetFolderItems */
1532   tAVRC_CHG_PATH_RSP chg_path;                 /* ChangePath */
1533   tAVRC_GET_ATTRS_RSP get_attrs;               /* GetItemAttrs, GetElemAttrs */
1534   tAVRC_GET_NUM_OF_ITEMS_RSP get_num_of_items; /* GetTotalNumberOfItems */
1535   tAVRC_SEARCH_RSP search;                     /* Search */
1536   tAVRC_RSP play_item;                         /* PlayItem */
1537   tAVRC_RSP add_to_play;                       /* AddToNowPlaying */
1538 } tAVRC_RESPONSE;
1539 
1540 #endif
1541