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1 /******************************************************************************
2  *
3  *  Copyright (C) 2006-2012 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 
38 #define AVRC_PACKET_LEN             512 /* Per the spec, you must support 512 byte RC packets */
39 
40 #define AVRC_MIN_CONTROL_MTU        48  /* Per the spec, minimum MTU for the control channel */
41 #define AVRC_MIN_BROWSE_MTU         335 /* Per the spec, minimum MTU for the browsing channel */
42 
43 #define AVRC_META_PDU_OFFSET        4
44 #define AVRC_SUB_TYPE_LEN           4
45 #define AVRC_UID_SIZE               8
46 #define AVRC_FEATURE_MASK_SIZE      16
47 
48 /* command type codes */
49 #define AVRC_CMD_CTRL       0   /* Instruct a target to perform an operation */
50 #define AVRC_CMD_STATUS     1   /* Check a device�s current status */
51 #define AVRC_CMD_SPEC_INQ   2   /* Check whether a target supports a particular
52                                    control command; all operands are included */
53 #define AVRC_CMD_NOTIF      3   /* Used for receiving notification of a change in a device�s state */
54 #define AVRC_CMD_GEN_INQ    4   /* Check whether a target supports a particular
55                                    control command; operands are not included */
56 
57 /* response type codes */
58 #define AVRC_RSP_NOT_IMPL   8   /* The target does not implement the command specified
59                                    by the opcode and operand,
60                                    or doesn�t implement the specified subunit */
61 #define AVRC_RSP_ACCEPT     9   /* The target executed or is executing the command */
62 #define AVRC_RSP_REJ        10  /* The target implements the command specified by the
63                                    opcode but cannot respond because the current state
64                                    of the target doesn�t allow it */
65 #define AVRC_RSP_IN_TRANS   11  /* The target implements the status command but it is
66                                    in a state of transition; the status command may
67                                    be retried at a future time */
68 #define AVRC_RSP_IMPL_STBL  12  /* For specific inquiry or general inquiy commands,
69                                    the target implements the command; for status
70                                    commands, the target returns stable and includes
71                                    the status results */
72 #define AVRC_RSP_CHANGED    13  /* The response frame contains a notification that the
73                                    target device�s state has changed */
74 #define AVRC_RSP_INTERIM    15  /* For control commands, the target has accepted the
75                                    request but cannot return information within 100
76                                    milliseconds; for notify commands, the target accepted
77                                    the command, and will notify the controller of a change
78                                    of target state at a future time */
79 
80 /* subunit type */
81 #define AVRC_SUB_MONITOR    0x00    /* Monitor */
82 #define AVRC_SUB_AUDIO      0x01    /* Audio */
83 #define AVRC_SUB_PRINTER    0x02    /* Printer */
84 #define AVRC_SUB_DISC       0x03    /* Disc */
85 #define AVRC_SUB_TAPE       0x04    /* Tape recorder/player */
86 #define AVRC_SUB_TUNER      0x05    /* Tuner */
87 #define AVRC_SUB_CA         0x06    /* CA */
88 #define AVRC_SUB_CAMERA     0x07    /* Camera */
89 #define AVRC_SUB_PANEL      0x09    /* Panel */
90 #define AVRC_SUB_BB         0x0A    /* Bulletin Board */
91 #define AVRC_SUB_CAM_STOR   0x0B    /* Camera Storage */
92 #define AVRC_SUB_VENDOR     0x1C    /* Vendor unique */
93 #define AVRC_SUB_EXT        0x1E    /* Subunit type extended to next byte */
94 #define AVRC_SUB_UNIT       0x1F    /* Unit */
95 
96 /* opcodes - defined by 1394ta */
97 #define AVRC_OP_UNIT_INFO   0x30    /* Report unit information */
98 #define AVRC_OP_SUB_INFO    0x31    /* Report subunit information */
99 #define AVRC_OP_VENDOR      0x00    /* Vendor-dependent commands */
100 #define AVRC_OP_PASS_THRU   0x7C    /* panel subunit opcode */
101 /* opcodes 80-9F and E0-FF are not used by 1394ta.Sneak one for the browsing channel */
102 #define AVRC_OP_BROWSE      0xFF    /* Browsing */
103 #define AVRC_OP_INVALID     0xFE    /* invalid one */
104 
105 /* Company ID's
106 */
107 #define AVRC_CO_BLUETOOTH_SIG   0x00FFFFFF
108 #define AVRC_CO_WIDCOMM         0x00000361
109 #define AVRC_CO_BROADCOM        0x00001018
110 #define AVRC_CO_METADATA        0x00001958  /* Unique COMPANY ID for Metadata messages */
111 
112 /* State flag for Passthrough commands
113 */
114 #define AVRC_STATE_PRESS    0
115 #define AVRC_STATE_RELEASE  1
116 
117 /* Operation ID list for Passthrough commands
118 */
119 #define AVRC_ID_SELECT      0x00    /* select */
120 #define AVRC_ID_UP          0x01    /* up */
121 #define AVRC_ID_DOWN        0x02    /* down */
122 #define AVRC_ID_LEFT        0x03    /* left */
123 #define AVRC_ID_RIGHT       0x04    /* right */
124 #define AVRC_ID_RIGHT_UP    0x05    /* right-up */
125 #define AVRC_ID_RIGHT_DOWN  0x06    /* right-down */
126 #define AVRC_ID_LEFT_UP     0x07    /* left-up */
127 #define AVRC_ID_LEFT_DOWN   0x08    /* left-down */
128 #define AVRC_ID_ROOT_MENU   0x09    /* root menu */
129 #define AVRC_ID_SETUP_MENU  0x0A    /* setup menu */
130 #define AVRC_ID_CONT_MENU   0x0B    /* contents menu */
131 #define AVRC_ID_FAV_MENU    0x0C    /* favorite menu */
132 #define AVRC_ID_EXIT        0x0D    /* exit */
133 #define AVRC_ID_0           0x20    /* 0 */
134 #define AVRC_ID_1           0x21    /* 1 */
135 #define AVRC_ID_2           0x22    /* 2 */
136 #define AVRC_ID_3           0x23    /* 3 */
137 #define AVRC_ID_4           0x24    /* 4 */
138 #define AVRC_ID_5           0x25    /* 5 */
139 #define AVRC_ID_6           0x26    /* 6 */
140 #define AVRC_ID_7           0x27    /* 7 */
141 #define AVRC_ID_8           0x28    /* 8 */
142 #define AVRC_ID_9           0x29    /* 9 */
143 #define AVRC_ID_DOT         0x2A    /* dot */
144 #define AVRC_ID_ENTER       0x2B    /* enter */
145 #define AVRC_ID_CLEAR       0x2C    /* clear */
146 #define AVRC_ID_CHAN_UP     0x30    /* channel up */
147 #define AVRC_ID_CHAN_DOWN   0x31    /* channel down */
148 #define AVRC_ID_PREV_CHAN   0x32    /* previous channel */
149 #define AVRC_ID_SOUND_SEL   0x33    /* sound select */
150 #define AVRC_ID_INPUT_SEL   0x34    /* input select */
151 #define AVRC_ID_DISP_INFO   0x35    /* display information */
152 #define AVRC_ID_HELP        0x36    /* help */
153 #define AVRC_ID_PAGE_UP     0x37    /* page up */
154 #define AVRC_ID_PAGE_DOWN   0x38    /* page down */
155 #define AVRC_ID_POWER       0x40    /* power */
156 #define AVRC_ID_VOL_UP      0x41    /* volume up */
157 #define AVRC_ID_VOL_DOWN    0x42    /* volume down */
158 #define AVRC_ID_MUTE        0x43    /* mute */
159 #define AVRC_ID_PLAY        0x44    /* play */
160 #define AVRC_ID_STOP        0x45    /* stop */
161 #define AVRC_ID_PAUSE       0x46    /* pause */
162 #define AVRC_ID_RECORD      0x47    /* record */
163 #define AVRC_ID_REWIND      0x48    /* rewind */
164 #define AVRC_ID_FAST_FOR    0x49    /* fast forward */
165 #define AVRC_ID_EJECT       0x4A    /* eject */
166 #define AVRC_ID_FORWARD     0x4B    /* forward */
167 #define AVRC_ID_BACKWARD    0x4C    /* backward */
168 #define AVRC_ID_ANGLE       0x50    /* angle */
169 #define AVRC_ID_SUBPICT     0x51    /* subpicture */
170 #define AVRC_ID_F1          0x71    /* F1 */
171 #define AVRC_ID_F2          0x72    /* F2 */
172 #define AVRC_ID_F3          0x73    /* F3 */
173 #define AVRC_ID_F4          0x74    /* F4 */
174 #define AVRC_ID_F5          0x75    /* F5 */
175 #define AVRC_ID_VENDOR      0x7E    /* vendor unique */
176 #define AVRC_KEYPRESSED_RELEASE 0x80
177 
178 /*****************************************************************************
179 **  Metadata transfer definitions
180 *****************************************************************************/
181 
182 /* Define the Metadata Packet types
183 */
184 #define AVRC_PKT_SINGLE           0
185 #define AVRC_PKT_START            1
186 #define AVRC_PKT_CONTINUE         2
187 #define AVRC_PKT_END              3
188 #define AVRC_PKT_TYPE_MASK        3
189 
190 /* Define the PDUs carried in the vendor dependant data
191 */
192 #define AVRC_PDU_GET_CAPABILITIES               0x10
193 #define AVRC_PDU_LIST_PLAYER_APP_ATTR           0x11
194 #define AVRC_PDU_LIST_PLAYER_APP_VALUES         0x12
195 #define AVRC_PDU_GET_CUR_PLAYER_APP_VALUE       0x13
196 #define AVRC_PDU_SET_PLAYER_APP_VALUE           0x14
197 #define AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT       0x15
198 #define AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT      0x16
199 #define AVRC_PDU_INFORM_DISPLAY_CHARSET         0x17
200 #define AVRC_PDU_INFORM_BATTERY_STAT_OF_CT      0x18
201 #define AVRC_PDU_GET_ELEMENT_ATTR               0x20
202 #define AVRC_PDU_GET_PLAY_STATUS                0x30
203 #define AVRC_PDU_REGISTER_NOTIFICATION          0x31
204 #define AVRC_PDU_REQUEST_CONTINUATION_RSP       0x40
205 #define AVRC_PDU_ABORT_CONTINUATION_RSP         0x41
206 /* added in 1.4 */
207 #define AVRC_PDU_SET_ABSOLUTE_VOLUME            0x50
208 #define AVRC_PDU_SET_ADDRESSED_PLAYER           0x60
209 #define AVRC_PDU_SET_BROWSED_PLAYER             0x70
210 #define AVRC_PDU_GET_FOLDER_ITEMS               0x71
211 #define AVRC_PDU_CHANGE_PATH                    0x72
212 #define AVRC_PDU_GET_ITEM_ATTRIBUTES            0x73
213 #define AVRC_PDU_PLAY_ITEM                      0x74
214 #define AVRC_PDU_SEARCH                         0x80
215 #define AVRC_PDU_ADD_TO_NOW_PLAYING             0x90
216 #define AVRC_PDU_GENERAL_REJECT                 0xA0
217 
218 /* Define the vendor unique id carried in the pass through data
219 */
220 #define AVRC_PDU_NEXT_GROUP                     0x00
221 #define AVRC_PDU_PREV_GROUP                     0x01
222 /* the only pass through vendor unique commands defined by AVRC is the group navigation commands
223  * The len for vendor unique data is 5 */
224 #define AVRC_PASS_THRU_GROUP_LEN                5
225 
226 #define AVRC_PDU_INVALID                        0xff
227 /* 6.15.3 error status code for general reject */
228 #define AVRC_STS_BAD_CMD        0x00    /* Invalid command, sent if TG received a PDU that it did not understand. */
229 #define AVRC_STS_BAD_PARAM      0x01    /* Invalid parameter, sent if the TG received a PDU with a parameter ID that it did not understand. Sent if there is only one parameter ID in the PDU. */
230 #define AVRC_STS_NOT_FOUND      0x02    /* Specified parameter not found., sent if the parameter ID is understood, but content is wrong or corrupted. */
231 #define AVRC_STS_INTERNAL_ERR   0x03    /* Internal Error, sent if there are error conditions not covered by a more specific error code. */
232 #define AVRC_STS_NO_ERROR       0x04    /* Operation completed without error.  This is the status that should be returned if the operation was successful. */
233 #define AVRC_STS_UID_CHANGED    0x05    /* UID Changed - The UIDs on the device have changed */
234 /* #define AVRC_STS_GEN_ERROR      0x06    Unknown Error - this is changed to "reserved" */
235 #define AVRC_STS_BAD_DIR        0x07    /* Invalid Direction - The Direction parameter is invalid - Change Path*/
236 #define AVRC_STS_NOT_DIR        0x08    /* Not a Directory - The UID provided does not refer to a folder item  Change Path*/
237 #define AVRC_STS_NOT_EXIST      0x09    /* Does Not Exist - The UID provided does not refer to any item    Change Path, PlayItem, AddToNowPlaying, GetItemAttributes*/
238 #define AVRC_STS_BAD_SCOPE      0x0a    /* Invalid Scope - The scope parameter is invalid  GetFolderItems, PlayItem, AddToNowPlayer, GetItemAttributes, */
239 #define AVRC_STS_BAD_RANGE      0x0b    /* Range Out of Bounds - The start of range provided is not valid  GetFolderItems*/
240 #define AVRC_STS_UID_IS_DIR     0x0c    /* UID is a Directory - The UID provided refers to a directory, which cannot be handled by this media player   PlayItem, AddToNowPlaying */
241 #define AVRC_STS_IN_USE         0x0d    /* Media in Use - The media is not able to be used for this operation at this time PlayItem, AddToNowPlaying */
242 #define AVRC_STS_NOW_LIST_FULL  0x0e    /* Now Playing List Full - No more items can be added to the Now Playing List  AddToNowPlaying*/
243 #define AVRC_STS_SEARCH_NOT_SUP 0x0f    /* Search Not Supported - The Browsed Media Player does not support search Search */
244 #define AVRC_STS_SEARCH_BUSY    0x10    /* Search in Progress - A search operation is already in progress  Search*/
245 #define AVRC_STS_BAD_PLAYER_ID  0x11    /* Invalid Player Id - The specified Player Id does not refer to a valid player    SetAddressedPlayer, SetBrowsedPlayer*/
246 #define AVRC_STS_PLAYER_N_BR    0x12    /* Player Not Browsable - The Player Id supplied refers to a Media Player which does not support browsing. SetBrowsedPlayer */
247 #define AVRC_STS_PLAYER_N_ADDR  0x13    /* Player Not Addressed.  The Player Id supplied refers to a player which is not currently addressed, and the command is not able to be performed if the player is not set as addressed.   Search, SetBrowsedPlayer*/
248 #define AVRC_STS_BAD_SEARCH_RES 0x14    /* No valid Search Results - The Search result list does not contain valid entries, e.g. after being invalidated due to change of browsed player   GetFolderItems */
249 #define AVRC_STS_NO_AVAL_PLAYER 0x15    /* No available players ALL */
250 #define AVRC_STS_ADDR_PLAYER_CHG 0x16   /* Addressed Player Changed - Register Notification */
251 typedef UINT8 tAVRC_STS;
252 
253 /* Define the Capability IDs
254 */
255 #define AVRC_CAP_COMPANY_ID                     0x02
256 #define AVRC_CAP_EVENTS_SUPPORTED               0x03
257 #define AVRC_COMPANY_ID_LEN                     3
258 #define AVRC_CAPABILITY_OFFSET                  2
259 
260 /* Define the Player Application Settings IDs
261 */
262 #define AVRC_PLAYER_SETTING_EQUALIZER           0x01
263 #define AVRC_PLAYER_SETTING_REPEAT              0x02
264 #define AVRC_PLAYER_SETTING_SHUFFLE             0x03
265 #define AVRC_PLAYER_SETTING_SCAN                0x04
266 #define AVRC_PLAYER_SETTING_LOW_MENU_EXT        0x80
267 #define AVRC_PLAYER_SETTING_HIGH_MENU_EXT       0xff
268 
269 /* Define the possible values of the Player Application Settings
270 */
271 #define AVRC_PLAYER_VAL_OFF                     0x01
272 #define AVRC_PLAYER_VAL_ON                      0x02
273 #define AVRC_PLAYER_VAL_SINGLE_REPEAT           0x02
274 #define AVRC_PLAYER_VAL_ALL_REPEAT              0x03
275 #define AVRC_PLAYER_VAL_GROUP_REPEAT            0x04
276 #define AVRC_PLAYER_VAL_ALL_SHUFFLE             0x02
277 #define AVRC_PLAYER_VAL_GROUP_SHUFFLE           0x03
278 #define AVRC_PLAYER_VAL_ALL_SCAN                0x02
279 #define AVRC_PLAYER_VAL_GROUP_SCAN              0x03
280 
281 /* Define the possible values of Battery Status PDU
282 */
283 #define AVRC_BATTERY_STATUS_NORMAL              0x00
284 #define AVRC_BATTERY_STATUS_WARNING             0x01
285 #define AVRC_BATTERY_STATUS_CRITICAL            0x02
286 #define AVRC_BATTERY_STATUS_EXTERNAL            0x03
287 #define AVRC_BATTERY_STATUS_FULL_CHARGE         0x04
288 typedef UINT8 tAVRC_BATTERY_STATUS;
289 
290 /* Define character set */
291 #define AVRC_CHAR_SET_SIZE                      2
292 
293 /* Define the Media Attribute IDs
294 */
295 #define AVRC_MEDIA_ATTR_ID_TITLE                 0x00000001
296 #define AVRC_MEDIA_ATTR_ID_ARTIST                0x00000002
297 #define AVRC_MEDIA_ATTR_ID_ALBUM                 0x00000003
298 #define AVRC_MEDIA_ATTR_ID_TRACK_NUM             0x00000004
299 #define AVRC_MEDIA_ATTR_ID_NUM_TRACKS            0x00000005
300 #define AVRC_MEDIA_ATTR_ID_GENRE                 0x00000006
301 #define AVRC_MEDIA_ATTR_ID_PLAYING_TIME          0x00000007        /* in miliseconds */
302 #define AVRC_MAX_NUM_MEDIA_ATTR_ID               7
303 
304 /* Define the possible values of play state
305 */
306 #define AVRC_PLAYSTATE_RESP_MSG_SIZE            9
307 #define AVRC_PLAYSTATE_STOPPED                  0x00    /* Stopped */
308 #define AVRC_PLAYSTATE_PLAYING                  0x01    /* Playing */
309 #define AVRC_PLAYSTATE_PAUSED                   0x02    /* Paused  */
310 #define AVRC_PLAYSTATE_FWD_SEEK                 0x03    /* Fwd Seek*/
311 #define AVRC_PLAYSTATE_REV_SEEK                 0x04    /* Rev Seek*/
312 #define AVRC_PLAYSTATE_ERROR                    0xFF    /* Error   */
313 typedef UINT8 tAVRC_PLAYSTATE;
314 
315 /* Define the events that can be registered for notifications
316 */
317 #define AVRC_EVT_PLAY_STATUS_CHANGE             0x01
318 #define AVRC_EVT_TRACK_CHANGE                   0x02
319 #define AVRC_EVT_TRACK_REACHED_END              0x03
320 #define AVRC_EVT_TRACK_REACHED_START            0x04
321 #define AVRC_EVT_PLAY_POS_CHANGED               0x05
322 #define AVRC_EVT_BATTERY_STATUS_CHANGE          0x06
323 #define AVRC_EVT_SYSTEM_STATUS_CHANGE           0x07
324 #define AVRC_EVT_APP_SETTING_CHANGE             0x08
325 /* added in AVRCP 1.4 */
326 #define AVRC_EVT_NOW_PLAYING_CHANGE             0x09
327 #define AVRC_EVT_AVAL_PLAYERS_CHANGE            0x0a
328 #define AVRC_EVT_ADDR_PLAYER_CHANGE             0x0b
329 #define AVRC_EVT_UIDS_CHANGE                    0x0c
330 #define AVRC_EVT_VOLUME_CHANGE                  0x0d
331 
332 /* the number of events that can be registered for notifications */
333 #define AVRC_NUM_NOTIF_EVENTS                   0x0d
334 
335 #define AVRC_EVT_MSG_LEN_1                      0x01
336 #define AVRC_EVT_MSG_LEN_2                      0x02
337 #define AVRC_EVT_MSG_LEN_5                      0x05
338 #define AVRC_EVT_MSG_LEN_9                      0x09
339 
340 #define AVRC_MAX_VOLUME                         0x7F
341 
342 /* Define the possible values of system status
343 */
344 #define AVRC_SYSTEMSTATE_PWR_ON                 0x00
345 #define AVRC_SYSTEMSTATE_PWR_OFF                0x01
346 #define AVRC_SYSTEMSTATE_PWR_UNPLUGGED          0x02
347 typedef UINT8 tAVRC_SYSTEMSTATE;
348 
349 /* the frequently used character set ids */
350 #define AVRC_CHARSET_ID_ASCII                  ((UINT16) 0x0003) /* ASCII */
351 #define AVRC_CHARSET_ID_UTF8                   ((UINT16) 0x006a) /* UTF-8 */
352 #define AVRC_CHARSET_ID_UTF16                  ((UINT16) 0x03f7) /* 1015 */
353 #define AVRC_CHARSET_ID_UTF32                  ((UINT16) 0x03f9) /* 1017 */
354 
355 /*****************************************************************************
356 **  Advanced Control
357 *****************************************************************************/
358 #define AVRC_ITEM_PLAYER            0x01
359 #define AVRC_ITEM_FOLDER            0x02
360 #define AVRC_ITEM_MEDIA             0x03
361 
362 #define AVRC_SCOPE_PLAYER_LIST      0x00  /* Media Player Item - Contains all available media players */
363 #define AVRC_SCOPE_FILE_SYSTEM      0x01  /* Folder Item, Media Element Item
364                                              - The virtual filesystem containing the media content of the browsed player */
365 #define AVRC_SCOPE_SEARCH           0x02  /* Media Element Item  The results of a search operation on the browsed player */
366 #define AVRC_SCOPE_NOW_PLAYING      0x03  /* Media Element Item  The Now Playing list (or queue) of the addressed player */
367 
368 #define AVRC_FOLDER_ITEM_COUNT_NONE 0xFF
369 
370 /* folder type */
371 #define AVRC_FOLDER_TYPE_MIXED      0x00
372 #define AVRC_FOLDER_TYPE_TITLES     0x01
373 #define AVRC_FOLDER_TYPE_ALNUMS     0x02
374 #define AVRC_FOLDER_TYPE_ARTISTS    0x03
375 #define AVRC_FOLDER_TYPE_GENRES     0x04
376 #define AVRC_FOLDER_TYPE_PLAYLISTS  0x05
377 #define AVRC_FOLDER_TYPE_YEARS      0x06
378 
379 /* major player type */
380 #define AVRC_MJ_TYPE_AUDIO          0x01  /* Audio */
381 #define AVRC_MJ_TYPE_VIDEO          0x02  /* Video */
382 #define AVRC_MJ_TYPE_BC_AUDIO       0x04  /* Broadcasting Audio */
383 #define AVRC_MJ_TYPE_BC_VIDEO       0x08  /* Broadcasting Video */
384 #define AVRC_MJ_TYPE_INVALID        0xF0
385 
386 /* player sub type */
387 #define AVRC_SUB_TYPE_NONE          0x00
388 #define AVRC_SUB_TYPE_AUDIO_BOOK    0x01  /* Audio Book */
389 #define AVRC_SUB_TYPE_PODCAST       0x02  /* Podcast */
390 #define AVRC_SUB_TYPE_INVALID       0xFC
391 
392 /* media item - media type */
393 #define AVRC_MEDIA_TYPE_AUDIO       0x00
394 #define AVRC_MEDIA_TYPE_VIDEO       0x01
395 
396 #define AVRC_DIR_UP                 0x00  /* Folder Up */
397 #define AVRC_DIR_DOWN               0x01  /* Folder Down */
398 
399 #define AVRC_UID_SIZE               8
400 typedef UINT8 tAVRC_UID[AVRC_UID_SIZE];
401 
402 /*****************************************************************************
403 **  player attribute - supported features
404 *****************************************************************************/
405 #define AVRC_PF_SELECT_BIT_NO           0
406 #define AVRC_PF_SELECT_MASK             0x01
407 #define AVRC_PF_SELECT_OFF              0
408 #define AVRC_PF_SELECT_SUPPORTED(x)     ((x)[AVRC_PF_SELECT_OFF] & AVRC_PF_SELECT_MASK)
409 
410 #define AVRC_PF_UP_BIT_NO               1
411 #define AVRC_PF_UP_MASK                 0x02
412 #define AVRC_PF_UP_OFF                  0
413 #define AVRC_PF_UP_SUPPORTED(x)         ((x)[AVRC_PF_UP_OFF] & AVRC_PF_UP_MASK)
414 
415 #define AVRC_PF_DOWN_BIT_NO             2
416 #define AVRC_PF_DOWN_MASK               0x04
417 #define AVRC_PF_DOWN_OFF                0
418 #define AVRC_PF_DOWN_SUPPORTED(x)       ((x)[AVRC_PF_DOWN_OFF] & AVRC_PF_DOWN_MASK)
419 
420 #define AVRC_PF_LEFT_BIT_NO             3
421 #define AVRC_PF_LEFT_MASK               0x08
422 #define AVRC_PF_LEFT_OFF                0
423 #define AVRC_PF_LEFT_SUPPORTED(x)       ((x)[AVRC_PF_LEFT_OFF] & AVRC_PF_LEFT_MASK)
424 
425 #define AVRC_PF_RIGHT_BIT_NO            4
426 #define AVRC_PF_RIGHT_MASK              0x10
427 #define AVRC_PF_RIGHT_OFF               0
428 #define AVRC_PF_RIGHT_SUPPORTED(x)      ((x)[AVRC_PF_RIGHT_OFF] & AVRC_PF_RIGHT_MASK)
429 
430 #define AVRC_PF_RIGHTUP_BIT_NO          5
431 #define AVRC_PF_RIGHTUP_MASK            0x20
432 #define AVRC_PF_RIGHTUP_OFF             0
433 #define AVRC_PF_RIGHTUP_SUPPORTED(x)    ((x)[AVRC_PF_RIGHTUP_OFF] & AVRC_PF_RIGHTUP_MASK)
434 
435 #define AVRC_PF_RIGHTDOWN_BIT_NO        6
436 #define AVRC_PF_RIGHTDOWN_MASK          0x40
437 #define AVRC_PF_RIGHTDOWN_OFF           0
438 #define AVRC_PF_RIGHTDOWN_SUPPORTED(x)  ((x)[AVRC_PF_RIGHTDOWN_OFF] & AVRC_PF_RIGHTDOWN_MASK)
439 
440 #define AVRC_PF_LEFTUP_BIT_NO           7
441 #define AVRC_PF_LEFTUP_MASK             0x80
442 #define AVRC_PF_LEFTUP_OFF              0
443 #define AVRC_PF_LEFTUP_SUPPORTED(x)     ((x)[AVRC_PF_LEFTUP_OFF] & AVRC_PF_LEFTUP_MASK)
444 
445 #define AVRC_PF_LEFTDOWN_BIT_NO         8
446 #define AVRC_PF_LEFTDOWN_MASK           0x01
447 #define AVRC_PF_LEFTDOWN_OFF            1
448 #define AVRC_PF_LEFTDOWN_SUPPORTED(x)   ((x)[AVRC_PF_LEFTDOWN_OFF] & AVRC_PF_LEFTDOWN_MASK)
449 
450 #define AVRC_PF_ROOT_MENU_BIT_NO        9
451 #define AVRC_PF_ROOT_MENU_MASK          0x02
452 #define AVRC_PF_ROOT_MENU_OFF           1
453 #define AVRC_PF_ROOT_MENU_SUPPORTED(x)  ((x)[AVRC_PF_ROOT_MENU_OFF] & AVRC_PF_ROOT_MENU_MASK)
454 
455 #define AVRC_PF_SETUP_MENU_BIT_NO       10
456 #define AVRC_PF_SETUP_MENU_MASK         0x04
457 #define AVRC_PF_SETUP_MENU_OFF          1
458 #define AVRC_PF_SETUP_MENU_SUPPORTED(x) ((x)[AVRC_PF_SETUP_MENU_OFF] & AVRC_PF_SETUP_MENU_MASK)
459 
460 #define AVRC_PF_CONTENTS_MENU_BIT_NO    11
461 #define AVRC_PF_CONTENTS_MENU_MASK      0x08
462 #define AVRC_PF_CONTENTS_MENU_OFF       1
463 #define AVRC_PF_CONTENTS_MENU_SUPPORTED(x)  ((x)[AVRC_PF_CONTENTS_MENU_OFF] & AVRC_PF_CONTENTS_MENU_MASK)
464 
465 #define AVRC_PF_FAVORITE_MENU_BIT_NO    12
466 #define AVRC_PF_FAVORITE_MENU_MASK      0x10
467 #define AVRC_PF_FAVORITE_MENU_OFF       1
468 #define AVRC_PF_FAVORITE_MENU_SUPPORTED(x)  ((x)[AVRC_PF_FAVORITE_MENU_OFF] & AVRC_PF_FAVORITE_MENU_MASK)
469 
470 #define AVRC_PF_EXIT_BIT_NO             13
471 #define AVRC_PF_EXIT_MASK               0x20
472 #define AVRC_PF_EXIT_OFF                1
473 #define AVRC_PF_EXIT_SUPPORTED(x)       ((x)[AVRC_PF_EXIT_OFF] & AVRC_PF_EXIT_MASK)
474 
475 #define AVRC_PF_0_BIT_NO                14
476 #define AVRC_PF_0_MASK                  0x40
477 #define AVRC_PF_0_OFF                   1
478 #define AVRC_PF_0_SUPPORTED(x)          ((x)[AVRC_PF_0_OFF] & AVRC_PF_0_MASK)
479 
480 #define AVRC_PF_1_BIT_NO                15
481 #define AVRC_PF_1_MASK                  0x80
482 #define AVRC_PF_1_OFF                   1
483 #define AVRC_PF_1_SUPPORTED(x)          ((x)[AVRC_PF_1_OFF] & AVRC_PF_1_MASK)
484 
485 #define AVRC_PF_2_BIT_NO                16
486 #define AVRC_PF_2_MASK                  0x01
487 #define AVRC_PF_2_OFF                   2
488 #define AVRC_PF_2_SUPPORTED(x)          ((x)[AVRC_PF_2_OFF] & AVRC_PF_2_MASK)
489 
490 #define AVRC_PF_3_BIT_NO                17
491 #define AVRC_PF_3_MASK                  0x02
492 #define AVRC_PF_3_OFF                   2
493 #define AVRC_PF_3_SUPPORTED(x)          ((x)[AVRC_PF_3_OFF] & AVRC_PF_3_MASK)
494 
495 #define AVRC_PF_4_BIT_NO                18
496 #define AVRC_PF_4_MASK                  0x04
497 #define AVRC_PF_4_OFF                   2
498 #define AVRC_PF_4_SUPPORTED(x)          ((x)[AVRC_PF_4_OFF] & AVRC_PF_4_MASK)
499 
500 #define AVRC_PF_5_BIT_NO                19
501 #define AVRC_PF_5_MASK                  0x08
502 #define AVRC_PF_5_OFF                   2
503 #define AVRC_PF_5_SUPPORTED(x)          ((x)[AVRC_PF_5_OFF] & AVRC_PF_5_MASK)
504 
505 #define AVRC_PF_6_BIT_NO                20
506 #define AVRC_PF_6_MASK                  0x10
507 #define AVRC_PF_6_OFF                   2
508 #define AVRC_PF_6_SUPPORTED(x)          ((x)[AVRC_PF_6_OFF] & AVRC_PF_6_MASK)
509 
510 #define AVRC_PF_7_BIT_NO                21
511 #define AVRC_PF_7_MASK                  0x20
512 #define AVRC_PF_7_OFF                   2
513 #define AVRC_PF_7_SUPPORTED(x)          ((x)[AVRC_PF_7_OFF] & AVRC_PF_7_MASK)
514 
515 #define AVRC_PF_8_BIT_NO                22
516 #define AVRC_PF_8_MASK                  0x40
517 #define AVRC_PF_8_OFF                   2
518 #define AVRC_PF_8_SUPPORTED(x)          ((x)[AVRC_PF_8_OFF] & AVRC_PF_8_MASK)
519 
520 #define AVRC_PF_9_BIT_NO                23
521 #define AVRC_PF_9_MASK                  0x80
522 #define AVRC_PF_9_OFF                   2
523 #define AVRC_PF_9_SUPPORTED(x)          ((x)[AVRC_PF_9_OFF] & AVRC_PF_9_MASK)
524 
525 #define AVRC_PF_DOT_BIT_NO              24
526 #define AVRC_PF_DOT_MASK                0x01
527 #define AVRC_PF_DOT_OFF                 3
528 #define AVRC_PF_DOT_SUPPORTED(x)        ((x)[AVRC_PF_DOT_OFF] & AVRC_PF_DOT_MASK)
529 
530 #define AVRC_PF_ENTER_BIT_NO            25
531 #define AVRC_PF_ENTER_MASK              0x02
532 #define AVRC_PF_ENTER_OFF               3
533 #define AVRC_PF_ENTER_SUPPORTED(x)      ((x)[AVRC_PF_ENTER_OFF] & AVRC_PF_ENTER_MASK)
534 
535 #define AVRC_PF_CLEAR_BIT_NO            26
536 #define AVRC_PF_CLEAR_MASK              0x04
537 #define AVRC_PF_CLEAR_OFF               3
538 #define AVRC_PF_CLEAR_SUPPORTED(x)      ((x)[AVRC_PF_CLEAR_OFF] & AVRC_PF_CLEAR_MASK)
539 
540 #define AVRC_PF_CHNL_UP_BIT_NO          27
541 #define AVRC_PF_CHNL_UP_MASK            0x08
542 #define AVRC_PF_CHNL_UP_OFF             3
543 #define AVRC_PF_CHNL_UP_SUPPORTED(x)    ((x)[AVRC_PF_CHNL_UP_OFF] & AVRC_PF_CHNL_UP_MASK)
544 
545 #define AVRC_PF_CHNL_DOWN_BIT_NO        28
546 #define AVRC_PF_CHNL_DOWN_MASK          0x10
547 #define AVRC_PF_CHNL_DOWN_OFF           3
548 #define AVRC_PF_CHNL_DOWN_SUPPORTED(x)  ((x)[AVRC_PF_CHNL_DOWN_OFF] & AVRC_PF_CHNL_DOWN_MASK)
549 
550 #define AVRC_PF_PREV_CHNL_BIT_NO        29
551 #define AVRC_PF_PREV_CHNL_MASK          0x20
552 #define AVRC_PF_PREV_CHNL_OFF           3
553 #define AVRC_PF_PREV_CHNL_SUPPORTED(x)  ((x)[AVRC_PF_PREV_CHNL_OFF] & AVRC_PF_PREV_CHNL_MASK)
554 
555 #define AVRC_PF_SOUND_SEL_BIT_NO        30
556 #define AVRC_PF_SOUND_SEL_MASK          0x40
557 #define AVRC_PF_SOUND_SEL_OFF           3
558 #define AVRC_PF_SOUND_SEL_SUPPORTED(x)  ((x)[AVRC_PF_SOUND_SEL_OFF] & AVRC_PF_SOUND_SEL_MASK)
559 
560 #define AVRC_PF_INPUT_SEL_BIT_NO        31
561 #define AVRC_PF_INPUT_SEL_MASK          0x80
562 #define AVRC_PF_INPUT_SEL_OFF           3
563 #define AVRC_PF_INPUT_SEL_SUPPORTED(x)  ((x)[AVRC_PF_INPUT_SEL_OFF] & AVRC_PF_INPUT_SEL_MASK)
564 
565 #define AVRC_PF_DISP_INFO_BIT_NO        32
566 #define AVRC_PF_DISP_INFO_MASK          0x01
567 #define AVRC_PF_DISP_INFO_OFF           4
568 #define AVRC_PF_DISP_INFO_SUPPORTED(x)  ((x)[AVRC_PF_DISP_INFO_OFF] & AVRC_PF_DISP_INFO_MASK)
569 
570 #define AVRC_PF_HELP_BIT_NO             33
571 #define AVRC_PF_HELP_MASK               0x02
572 #define AVRC_PF_HELP_OFF                4
573 #define AVRC_PF_HELP_SUPPORTED(x)       ((x)[AVRC_PF_HELP_OFF] & AVRC_PF_HELP_MASK)
574 
575 #define AVRC_PF_PAGE_UP_BIT_NO          34
576 #define AVRC_PF_PAGE_UP_MASK            0x04
577 #define AVRC_PF_PAGE_UP_OFF             4
578 #define AVRC_PF_PAGE_UP_SUPPORTED(x)    ((x)[AVRC_PF_PAGE_UP_OFF] & AVRC_PF_PAGE_UP_MASK)
579 
580 #define AVRC_PF_PAGE_DOWN_BIT_NO        35
581 #define AVRC_PF_PAGE_DOWN_MASK          0x08
582 #define AVRC_PF_PAGE_DOWN_OFF           4
583 #define AVRC_PF_PAGE_DOWN_SUPPORTED(x)  ((x)[AVRC_PF_PAGE_DOWN_OFF] & AVRC_PF_PAGE_DOWN_MASK)
584 
585 #define AVRC_PF_POWER_BIT_NO            36
586 #define AVRC_PF_POWER_MASK              0x10
587 #define AVRC_PF_POWER_OFF               4
588 #define AVRC_PF_POWER_SUPPORTED(x)      ((x)[AVRC_PF_POWER_OFF] & AVRC_PF_POWER_MASK)
589 
590 #define AVRC_PF_VOL_UP_BIT_NO           37
591 #define AVRC_PF_VOL_UP_MASK             0x20
592 #define AVRC_PF_VOL_UP_OFF              4
593 #define AVRC_PF_VOL_UP_SUPPORTED(x)     ((x)[AVRC_PF_VOL_UP_OFF] & AVRC_PF_VOL_UP_MASK)
594 
595 #define AVRC_PF_VOL_DOWN_BIT_NO         38
596 #define AVRC_PF_VOL_DOWN_MASK           0x40
597 #define AVRC_PF_VOL_DOWN_OFF            4
598 #define AVRC_PF_VOL_DOWN_SUPPORTED(x)   ((x)[AVRC_PF_VOL_DOWN_OFF] & AVRC_PF_VOL_DOWN_MASK)
599 
600 #define AVRC_PF_MUTE_BIT_NO             39
601 #define AVRC_PF_MUTE_MASK               0x80
602 #define AVRC_PF_MUTE_OFF                4
603 #define AVRC_PF_MUTE_SUPPORTED(x)       ((x)[AVRC_PF_MUTE_OFF] & AVRC_PF_MUTE_MASK)
604 
605 #define AVRC_PF_PLAY_BIT_NO             40
606 #define AVRC_PF_PLAY_MASK               0x01
607 #define AVRC_PF_PLAY_OFF                5
608 #define AVRC_PF_PLAY_SUPPORTED(x)       ((x)[AVRC_PF_PLAY_OFF] & AVRC_PF_PLAY_MASK)
609 
610 #define AVRC_PF_STOP_BIT_NO             41
611 #define AVRC_PF_STOP_MASK               0x02
612 #define AVRC_PF_STOP_OFF                5
613 #define AVRC_PF_STOP_SUPPORTED(x)       ((x)[AVRC_PF_STOP_OFF] & AVRC_PF_STOP_MASK)
614 
615 #define AVRC_PF_PAUSE_BIT_NO            42
616 #define AVRC_PF_PAUSE_MASK              0x04
617 #define AVRC_PF_PAUSE_OFF               5
618 #define AVRC_PF_PAUSE_SUPPORTED(x)      ((x)[AVRC_PF_PAUSE_OFF] & AVRC_PF_PAUSE_MASK)
619 
620 #define AVRC_PF_RECORD_BIT_NO           43
621 #define AVRC_PF_RECORD_MASK             0x08
622 #define AVRC_PF_RECORD_OFF              5
623 #define AVRC_PF_RECORD_SUPPORTED(x)     ((x)[AVRC_PF_RECORD_OFF] & AVRC_PF_RECORD_MASK)
624 
625 #define AVRC_PF_REWIND_BIT_NO           44
626 #define AVRC_PF_REWIND_MASK             0x10
627 #define AVRC_PF_REWIND_OFF              5
628 #define AVRC_PF_REWIND_SUPPORTED(x)     ((x)[AVRC_PF_REWIND_OFF] & AVRC_PF_REWIND_MASK)
629 
630 #define AVRC_PF_FAST_FWD_BIT_NO         45
631 #define AVRC_PF_FAST_FWD_MASK           0x20
632 #define AVRC_PF_FAST_FWD_OFF            5
633 #define AVRC_PF_FAST_FWD_SUPPORTED(x)   ((x)[AVRC_PF_FAST_FWD_OFF] & AVRC_PF_FAST_FWD_MASK)
634 
635 #define AVRC_PF_EJECT_BIT_NO            46
636 #define AVRC_PF_EJECT_MASK              0x40
637 #define AVRC_PF_EJECT_OFF               5
638 #define AVRC_PF_EJECT_SUPPORTED(x)      ((x)[AVRC_PF_EJECT_OFF] & AVRC_PF_EJECT_MASK)
639 
640 #define AVRC_PF_FORWARD_BIT_NO          47
641 #define AVRC_PF_FORWARD_MASK            0x80
642 #define AVRC_PF_FORWARD_OFF             5
643 #define AVRC_PF_FORWARD_SUPPORTED(x)    ((x)[AVRC_PF_FORWARD_OFF] & AVRC_PF_FORWARD_MASK)
644 
645 #define AVRC_PF_BACKWARD_BIT_NO         48
646 #define AVRC_PF_BACKWARD_MASK           0x01
647 #define AVRC_PF_BACKWARD_OFF            6
648 #define AVRC_PF_BACKWARD_SUPPORTED(x)   ((x)[AVRC_PF_BACKWARD_OFF] & AVRC_PF_BACKWARD_MASK)
649 
650 #define AVRC_PF_ANGLE_BIT_NO            49
651 #define AVRC_PF_ANGLE_MASK              0x02
652 #define AVRC_PF_ANGLE_OFF               6
653 #define AVRC_PF_ANGLE_SUPPORTED(x)      ((x)[AVRC_PF_ANGLE_OFF] & AVRC_PF_ANGLE_MASK)
654 
655 #define AVRC_PF_SUBPICTURE_BIT_NO       50
656 #define AVRC_PF_SUBPICTURE_MASK         0x04
657 #define AVRC_PF_SUBPICTURE_OFF          6
658 #define AVRC_PF_SUBPICTURE_SUPPORTED(x) ((x)[AVRC_PF_SUBPICTURE_OFF] & AVRC_PF_SUBPICTURE_MASK)
659 
660 #define AVRC_PF_F1_BIT_NO               51
661 #define AVRC_PF_F1_MASK                 0x08
662 #define AVRC_PF_F1_OFF                  6
663 #define AVRC_PF_F1_SUPPORTED(x)         ((x)[AVRC_PF_F1_OFF] & AVRC_PF_F1_MASK)
664 
665 #define AVRC_PF_F2_BIT_NO               52
666 #define AVRC_PF_F2_MASK                 0x10
667 #define AVRC_PF_F2_OFF                  6
668 #define AVRC_PF_F2_SUPPORTED(x)         ((x)[AVRC_PF_F2_OFF] & AVRC_PF_F2_MASK)
669 
670 #define AVRC_PF_F3_BIT_NO               53
671 #define AVRC_PF_F3_MASK                 0x20
672 #define AVRC_PF_F3_OFF                  6
673 #define AVRC_PF_F3_SUPPORTED(x)         ((x)[AVRC_PF_F3_OFF] & AVRC_PF_F3_MASK)
674 
675 #define AVRC_PF_F4_BIT_NO               54
676 #define AVRC_PF_F4_MASK                 0x40
677 #define AVRC_PF_F4_OFF                  6
678 #define AVRC_PF_F4_SUPPORTED(x)         ((x)[AVRC_PF_F4_OFF] & AVRC_PF_F4_MASK)
679 
680 #define AVRC_PF_F5_BIT_NO               55
681 #define AVRC_PF_F5_MASK                 0x80
682 #define AVRC_PF_F5_OFF                  6
683 #define AVRC_PF_F5_SUPPORTED(x)         ((x)[AVRC_PF_F5_OFF] & AVRC_PF_F5_MASK)
684 
685 /* Vendor unique. This PASSTHROUGH command is supported. */
686 #define AVRC_PF_VENDOR_BIT_NO           56
687 #define AVRC_PF_VENDOR_MASK             0x01
688 #define AVRC_PF_VENDOR_OFF              7
689 #define AVRC_PF_VENDOR_SUPPORTED(x)     ((x)[AVRC_PF_VENDOR_OFF] & AVRC_PF_VENDOR_MASK)
690 
691 /* Basic Group Navigation.  This overrules the SDP entry as it is set per player.7 */
692 #define AVRC_PF_GROUP_NAVI_BIT_NO       57
693 #define AVRC_PF_GROUP_NAVI_MASK         0x02
694 #define AVRC_PF_GROUP_NAVI_OFF          7
695 #define AVRC_PF_GROUP_NAVI_SUPPORTED(x) ((x)[AVRC_PF_GROUP_NAVI_OFF] & AVRC_PF_GROUP_NAVI_MASK)
696 
697 /* Advanced Control Player.  This bit is set if the player supports at least AVRCP 1.4. */
698 #define AVRC_PF_ADV_CTRL_BIT_NO         58
699 #define AVRC_PF_ADV_CTRL_MASK           0x04
700 #define AVRC_PF_ADV_CTRL_OFF            7
701 #define AVRC_PF_ADV_CTRL_SUPPORTED(x)   ((x)[AVRC_PF_ADV_CTRL_OFF] & AVRC_PF_ADV_CTRL_MASK)
702 
703 /* Browsing.  This bit is set if the player supports browsing. */
704 #define AVRC_PF_BROWSE_BIT_NO           59
705 #define AVRC_PF_BROWSE_MASK             0x08
706 #define AVRC_PF_BROWSE_OFF              7
707 #define AVRC_PF_BROWSE_SUPPORTED(x)     ((x)[AVRC_PF_BROWSE_OFF] & AVRC_PF_BROWSE_MASK)
708 
709 /* Searching. This bit is set if the player supports searching. */
710 #define AVRC_PF_SEARCH_BIT_NO           60
711 #define AVRC_PF_SEARCH_MASK             0x10
712 #define AVRC_PF_SEARCH_OFF              7
713 #define AVRC_PF_SEARCH_SUPPORTED(x)     ((x)[AVRC_PF_SEARCH_OFF] & AVRC_PF_SEARCH_MASK)
714 
715 /* AddToNowPlaying.  This bit is set if the player supports the AddToNowPlaying command. */
716 #define AVRC_PF_ADD2NOWPLAY_BIT_NO      61
717 #define AVRC_PF_ADD2NOWPLAY_MASK        0x20
718 #define AVRC_PF_ADD2NOWPLAY_OFF         7
719 #define AVRC_PF_ADD2NOWPLAY_SUPPORTED(x) ((x)[AVRC_PF_ADD2NOWPLAY_OFF] & AVRC_PF_ADD2NOWPLAY_MASK)
720 
721 /* UIDs unique in player browse tree.  This bit is set if the player is able to maintain unique UIDs across the player browse tree. */
722 #define AVRC_PF_UID_UNIQUE_BIT_NO       62
723 #define AVRC_PF_UID_UNIQUE_MASK         0x40
724 #define AVRC_PF_UID_UNIQUE_OFF          7
725 #define AVRC_PF_UID_UNIQUE_SUPPORTED(x) ((x)[AVRC_PF_UID_UNIQUE_OFF] & AVRC_PF_UID_UNIQUE_MASK)
726 
727 /* OnlyBrowsableWhenAddressed.  This bit is set if the player is only able to be browsed when it is set as the Addressed Player. */
728 #define AVRC_PF_BR_WH_ADDR_BIT_NO       63
729 #define AVRC_PF_BR_WH_ADDR_MASK         0x80
730 #define AVRC_PF_BR_WH_ADDR_OFF          7
731 #define AVRC_PF_BR_WH_ADDR_SUPPORTED(x) ((x)[AVRC_PF_BR_WH_ADDR_OFF] & AVRC_PF_BR_WH_ADDR_MASK)
732 
733 /* OnlySearchableWhenAddressed.  This bit is set if the player is only able to be searched when it is set as the Addressed player. */
734 #define AVRC_PF_SEARCH_WH_ADDR_BIT_NO   64
735 #define AVRC_PF_SEARCH_WH_ADDR_MASK     0x01
736 #define AVRC_PF_SEARCH_WH_ADDR_OFF      8
737 #define AVRC_PF_SEARCH_WH_ADDR_SUPPORTED(x) ((x)[AVRC_PF_SEARCH_WH_ADDR_OFF] & AVRC_PF_SEARCH_WH_ADDR_MASK)
738 
739 /* NowPlaying.  This bit is set if the player supports the NowPlaying folder.  Note that for all players that support browsing this bit shall be set */
740 #define AVRC_PF_NOW_PLAY_BIT_NO         65
741 #define AVRC_PF_NOW_PLAY_MASK           0x02
742 #define AVRC_PF_NOW_PLAY_OFF            8
743 #define AVRC_PF_NOW_PLAY_SUPPORTED(x)   ((x)[AVRC_PF_NOW_PLAY_OFF] & AVRC_PF_NOW_PLAY_MASK)
744 
745 /* UIDPersistency.  This bit is set if the Player is able to persist UID values between AVRCP Browse Reconnect */
746 #define AVRC_PF_UID_PERSIST_BIT_NO      66
747 #define AVRC_PF_UID_PERSIST_MASK        0x04
748 #define AVRC_PF_UID_PERSIST_OFF         8
749 #define AVRC_PF_UID_PERSIST_SUPPORTED(x) ((x)[AVRC_PF_UID_PERSIST_OFF] & AVRC_PF_UID_PERSIST_MASK)
750 
751 /*****************************************************************************
752 **  data type definitions
753 *****************************************************************************/
754 
755 /*
756 This structure contains the header parameters of an AV/C message.
757 */
758 typedef struct
759 {
760     UINT8   ctype;          /* Command type.  */
761     UINT8   subunit_type;   /* Subunit type. */
762     UINT8   subunit_id;     /* Subunit ID.  This value is typically ignored in AVRCP,
763                              * except for VENDOR DEPENDENT messages when the value is
764                              * vendor-dependent.  Value range is 0-7. */
765     UINT8   opcode;         /* Op Code (passthrough, vendor, etc) */
766 } tAVRC_HDR;
767 
768 /* This structure contains a UNIT INFO message. */
769 typedef struct
770 {
771     tAVRC_HDR   hdr;        /* Message header. */
772     UINT32      company_id; /* Company identifier. */
773     UINT8       unit_type;  /* Unit type.  Uses the same values as subunit type. */
774     UINT8       unit;       /* This value is vendor dependent and typically zero.  */
775 } tAVRC_MSG_UNIT;
776 
777 /* This structure contains a SUBUNIT INFO message. */
778 typedef struct
779 {
780     tAVRC_HDR   hdr;        /* Message header. */
781     UINT8       subunit_type[AVRC_SUB_TYPE_LEN];
782                             /* Array containing subunit type values.  */
783     BOOLEAN     panel;      /* TRUE if the panel subunit type is in the
784                              * subunit_type array, FALSE otherwise. */
785     UINT8       page;       /* Specifies which part of the subunit type table is
786                              * returned.  For AVRCP it is typically zero.
787                              * Value range is 0-7. */
788 } tAVRC_MSG_SUB;
789 
790 /* This structure contains a VENDOR DEPENDENT message. */
791 typedef struct
792 {
793     tAVRC_HDR   hdr;        /* Message header. */
794     UINT32      company_id; /* Company identifier. */
795     UINT8      *p_vendor_data;/* Pointer to vendor dependent data. */
796     UINT16      vendor_len; /* Length in bytes of vendor dependent data. */
797 } tAVRC_MSG_VENDOR;
798 
799 /* PASS THROUGH message structure */
800 typedef struct
801 {
802     tAVRC_HDR   hdr;        /* hdr.ctype Unused.
803                              * hdr.subunit_type Unused.
804                              * hdr.subunit_id Unused. */
805     UINT8       op_id;      /* Operation ID.  */
806     UINT8       state;      /* Keypress state.  */
807     UINT8      *p_pass_data;/* Pointer to data.  This parameter is only valid
808                              * when the op_id is AVRC_ID_VENDOR.*/
809     UINT8       pass_len;   /* Length in bytes of data. This parameter is only
810                              * valid when the op_id is AVRC_ID_VENDOR.*/
811 } tAVRC_MSG_PASS;
812 
813 /* Command/Response indicator. */
814 #define AVRC_CMD            AVCT_CMD    /* Command message */
815 #define AVRC_RSP            AVCT_RSP    /* Response message */
816 
817 /* Browsing channel message structure */
818 typedef struct
819 {
820     tAVRC_HDR   hdr;            /* hdr.ctype AVRC_CMD or AVRC_RSP.
821                                  * hdr.subunit_type Unused.
822                                  * hdr.subunit_id Unused. */
823     UINT8      *p_browse_data;  /* Pointer to data.  */
824     UINT16      browse_len;     /* Length in bytes of data. */
825     BT_HDR     *p_browse_pkt;   /* The GKI buffer received. Set to NULL, if the callback function wants to keep the buffer */
826 } tAVRC_MSG_BROWSE;
827 
828 /* This is a union of all message type structures. */
829 typedef union
830 {
831     tAVRC_HDR           hdr;    /* Message header. */
832     tAVRC_MSG_UNIT      unit;   /* UNIT INFO message. */
833     tAVRC_MSG_SUB       sub;    /* SUBUNIT INFO message. */
834     tAVRC_MSG_VENDOR    vendor; /* VENDOR DEPENDENT message. */
835     tAVRC_MSG_PASS      pass;   /* PASS THROUGH message. */
836     tAVRC_MSG_BROWSE    browse; /* messages thru browsing channel */
837 } tAVRC_MSG;
838 
839 /* macros */
840 #define AVRC_IS_VALID_CAP_ID(a)           (((a == AVRC_CAP_COMPANY_ID) || (a == AVRC_CAP_EVENTS_SUPPORTED)) ? TRUE : FALSE)
841 
842 #define AVRC_IS_VALID_EVENT_ID(a)           (((a >= AVRC_EVT_PLAY_STATUS_CHANGE) && \
843                                               (a <= AVRC_EVT_VOLUME_CHANGE)) ? TRUE : FALSE)
844 
845 #define AVRC_IS_VALID_ATTRIBUTE(a)          (((((a > 0) && a <= AVRC_PLAYER_SETTING_SCAN)) || \
846 					      (a >= AVRC_PLAYER_SETTING_LOW_MENU_EXT)) ? TRUE : FALSE)
847 
848 #define AVRC_IS_VALID_MEDIA_ATTRIBUTE(a)    ((a >= AVRC_MEDIA_ATTR_ID_TITLE) && \
849                                              (a <= AVRC_MEDIA_ATTR_ID_PLAYING_TIME) ? TRUE : FALSE)
850 
851 #define AVRC_IS_VALID_BATTERY_STATUS(a)    ((a <= AVRC_BATTERY_STATUS_FULL_CHARGE) ? TRUE : FALSE)
852 
853 #define AVRC_IS_VALID_SYSTEM_STATUS(a)    ((a <= AVRC_SYSTEMSTATE_PWR_UNPLUGGED) ? TRUE : FALSE)
854 
855 #define AVRC_IS_VALID_GROUP(a)    ((a <= AVRC_PDU_PREV_GROUP) ? TRUE : FALSE)
856 
857 /* Company ID is 24-bit integer We can not use the macros in bt_types.h */
858 #define AVRC_CO_ID_TO_BE_STREAM(p, u32) {*(p)++ = (UINT8)((u32) >> 16); *(p)++ = (UINT8)((u32) >> 8); *(p)++ = (UINT8)(u32); }
859 #define AVRC_BE_STREAM_TO_CO_ID(u32, p) {u32 = (((UINT32)(*((p) + 2))) + (((UINT32)(*((p) + 1))) << 8) + (((UINT32)(*(p))) << 16)); (p) += 3;}
860 
861 /*****************************************************************************
862 **  data type definitions
863 *****************************************************************************/
864 #define AVRC_MAX_APP_ATTR_SIZE      16
865 #define AVRC_MAX_CHARSET_SIZE       16
866 #define AVRC_MAX_ELEM_ATTR_SIZE     8
867 
868 /*****************************************************************************
869 **  Metadata transfer Building/Parsing definitions
870 *****************************************************************************/
871 
872 typedef struct {
873     UINT16              charset_id;
874     UINT16              str_len;
875     UINT8               *p_str;
876 } tAVRC_FULL_NAME;
877 
878 typedef struct {
879     UINT16              str_len;
880     UINT8               *p_str;
881 } tAVRC_NAME;
882 
883 #ifndef AVRC_CAP_MAX_NUM_COMP_ID
884 #define AVRC_CAP_MAX_NUM_COMP_ID    4
885 #endif
886 
887 #ifndef AVRC_CAP_MAX_NUM_EVT_ID
888 #define AVRC_CAP_MAX_NUM_EVT_ID     16
889 #endif
890 
891 typedef union
892 {
893     UINT32  company_id[AVRC_CAP_MAX_NUM_COMP_ID];
894     UINT8   event_id[AVRC_CAP_MAX_NUM_EVT_ID];
895 } tAVRC_CAPS_PARAM;
896 
897 typedef struct
898 {
899     UINT8   attr_id;
900     UINT8   attr_val;
901 } tAVRC_APP_SETTING;
902 
903 typedef struct
904 {
905     UINT8   attr_id;
906     UINT16  charset_id;
907     UINT8   str_len;
908     UINT8   *p_str;
909 } tAVRC_APP_SETTING_TEXT;
910 
911 typedef UINT8 tAVRC_FEATURE_MASK[AVRC_FEATURE_MASK_SIZE];
912 
913 typedef struct
914 {
915     UINT16              player_id;      /* A unique identifier for this media player.*/
916     UINT8               major_type;     /* Use AVRC_MJ_TYPE_AUDIO, AVRC_MJ_TYPE_VIDEO, AVRC_MJ_TYPE_BC_AUDIO, or AVRC_MJ_TYPE_BC_VIDEO.*/
917     UINT32              sub_type;       /* Use AVRC_SUB_TYPE_NONE, AVRC_SUB_TYPE_AUDIO_BOOK, or AVRC_SUB_TYPE_PODCAST*/
918     UINT8               play_status;    /* Use AVRC_PLAYSTATE_STOPPED, AVRC_PLAYSTATE_PLAYING, AVRC_PLAYSTATE_PAUSED, AVRC_PLAYSTATE_FWD_SEEK,
919                                             AVRC_PLAYSTATE_REV_SEEK, or AVRC_PLAYSTATE_ERROR*/
920     tAVRC_FEATURE_MASK  features;       /* Supported feature bit mask*/
921     tAVRC_FULL_NAME     name;           /* The player name, name length and character set id.*/
922 } tAVRC_ITEM_PLAYER;
923 
924 typedef struct
925 {
926     tAVRC_UID           uid;            /* The uid of this folder */
927     UINT8               type;           /* Use AVRC_FOLDER_TYPE_MIXED, AVRC_FOLDER_TYPE_TITLES,
928                                            AVRC_FOLDER_TYPE_ALNUMS, AVRC_FOLDER_TYPE_ARTISTS, AVRC_FOLDER_TYPE_GENRES,
929                                            AVRC_FOLDER_TYPE_PLAYLISTS, or AVRC_FOLDER_TYPE_YEARS.*/
930     BOOLEAN             playable;       /* TRUE, if the folder can be played. */
931     tAVRC_FULL_NAME     name;           /* The folder name, name length and character set id. */
932 } tAVRC_ITEM_FOLDER;
933 
934 typedef struct
935 {
936     UINT32              attr_id;        /* Use AVRC_MEDIA_ATTR_ID_TITLE, AVRC_MEDIA_ATTR_ID_ARTIST, AVRC_MEDIA_ATTR_ID_ALBUM,
937                                            AVRC_MEDIA_ATTR_ID_TRACK_NUM, AVRC_MEDIA_ATTR_ID_NUM_TRACKS,
938                                            AVRC_MEDIA_ATTR_ID_GENRE, AVRC_MEDIA_ATTR_ID_PLAYING_TIME */
939     tAVRC_FULL_NAME     name;           /* The attribute value, value length and character set id. */
940 } tAVRC_ATTR_ENTRY;
941 
942 typedef struct
943 {
944     tAVRC_UID           uid;            /* The uid of this media element item */
945     UINT8               type;           /* Use AVRC_MEDIA_TYPE_AUDIO or AVRC_MEDIA_TYPE_VIDEO. */
946     tAVRC_FULL_NAME     name;           /* The media name, name length and character set id. */
947     UINT8               attr_count;     /* The number of attributes in p_attr_list */
948     tAVRC_ATTR_ENTRY*   p_attr_list;    /* Attribute entry list. */
949 } tAVRC_ITEM_MEDIA;
950 
951 typedef struct
952 {
953     UINT8                   item_type;  /* AVRC_ITEM_PLAYER, AVRC_ITEM_FOLDER, or AVRC_ITEM_MEDIA */
954     union
955     {
956         tAVRC_ITEM_PLAYER   player;     /* The properties of a media player item.*/
957         tAVRC_ITEM_FOLDER   folder;     /* The properties of a folder item.*/
958         tAVRC_ITEM_MEDIA    media;      /* The properties of a media item.*/
959     } u;
960 } tAVRC_ITEM;
961 
962 /* GetCapability */
963 typedef struct
964 {
965     UINT8       pdu;
966     tAVRC_STS   status;
967     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
968     UINT8       capability_id;
969 } tAVRC_GET_CAPS_CMD;
970 
971 /* ListPlayerAppValues */
972 typedef struct
973 {
974     UINT8       pdu;
975     tAVRC_STS   status;
976     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
977     UINT8       attr_id;
978 } tAVRC_LIST_APP_VALUES_CMD;
979 
980 /* GetCurAppValue */
981 typedef struct
982 {
983     UINT8       pdu;
984     tAVRC_STS   status;
985     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
986     UINT8       num_attr;
987     UINT8       attrs[AVRC_MAX_APP_ATTR_SIZE];
988 } tAVRC_GET_CUR_APP_VALUE_CMD;
989 
990 /* SetAppValue */
991 typedef struct
992 {
993     UINT8       pdu;
994     tAVRC_STS   status;
995     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
996     UINT8       num_val;
997     tAVRC_APP_SETTING   *p_vals;
998 } tAVRC_SET_APP_VALUE_CMD;
999 
1000 /* GetAppAttrTxt */
1001 typedef struct
1002 {
1003     UINT8       pdu;
1004     tAVRC_STS   status;
1005     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1006     UINT8       num_attr;
1007     UINT8       attrs[AVRC_MAX_APP_ATTR_SIZE];
1008 } tAVRC_GET_APP_ATTR_TXT_CMD;
1009 
1010 /* GetAppValueTxt */
1011 typedef struct
1012 {
1013     UINT8       pdu;
1014     tAVRC_STS   status;
1015     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1016     UINT8       attr_id;
1017     UINT8       num_val;
1018     UINT8       vals[AVRC_MAX_APP_ATTR_SIZE];
1019 } tAVRC_GET_APP_VAL_TXT_CMD;
1020 
1021 /* InformCharset */
1022 typedef struct
1023 {
1024     UINT8       pdu;
1025     tAVRC_STS   status;
1026     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1027     UINT8       num_id;
1028     UINT16      charsets[AVRC_MAX_CHARSET_SIZE];
1029 } tAVRC_INFORM_CHARSET_CMD;
1030 
1031 /* InformBatteryStatus */
1032 typedef struct
1033 {
1034     UINT8       pdu;
1035     tAVRC_STS   status;
1036     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1037     UINT8       battery_status;
1038 } tAVRC_BATTERY_STATUS_CMD;
1039 
1040 /* GetElemAttrs */
1041 typedef struct
1042 {
1043     UINT8       pdu;
1044     tAVRC_STS   status;
1045     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1046     UINT8       num_attr;
1047     UINT32      attrs[AVRC_MAX_ELEM_ATTR_SIZE];
1048 } tAVRC_GET_ELEM_ATTRS_CMD;
1049 
1050 /* RegNotify */
1051 typedef struct
1052 {
1053     UINT8       pdu;
1054     tAVRC_STS   status;
1055     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1056     UINT8       event_id;
1057     UINT32      param;
1058 } tAVRC_REG_NOTIF_CMD;
1059 
1060 /* SetAddrPlayer */
1061 typedef struct
1062 {
1063     UINT8       pdu;
1064     tAVRC_STS   status;
1065     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1066     UINT16      player_id;
1067 } tAVRC_SET_ADDR_PLAYER_CMD;
1068 
1069 /* SetBrowsedPlayer */
1070 typedef struct
1071 {
1072     UINT8       pdu;
1073     tAVRC_STS   status;
1074     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1075     UINT16      player_id;
1076 } tAVRC_SET_BR_PLAYER_CMD;
1077 
1078 /* SetAbsVolume */
1079 typedef struct
1080 {
1081     UINT8       pdu;
1082     tAVRC_STS   status;
1083     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1084     UINT8       volume;
1085 } tAVRC_SET_VOLUME_CMD;
1086 
1087 /* GetFolderItems */
1088 typedef struct
1089 {
1090     UINT8       pdu;
1091     tAVRC_STS   status;
1092     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1093     UINT8       scope;
1094     UINT32      start_item;
1095     UINT32      end_item;
1096     UINT8       attr_count;
1097     UINT32      *p_attr_list;
1098 } tAVRC_GET_ITEMS_CMD;
1099 
1100 /* ChangePath */
1101 typedef struct
1102 {
1103     UINT8       pdu;
1104     tAVRC_STS   status;
1105     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1106     UINT16      uid_counter;
1107     UINT8       direction;
1108     tAVRC_UID   folder_uid;
1109 } tAVRC_CHG_PATH_CMD;
1110 
1111 /* GetItemAttrs */
1112 typedef struct
1113 {
1114     UINT8       pdu;
1115     tAVRC_STS   status;
1116     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1117     UINT8       scope;
1118     tAVRC_UID   uid;
1119     UINT16      uid_counter;
1120     UINT8       attr_count;
1121     UINT32      *p_attr_list;
1122 } tAVRC_GET_ATTRS_CMD;
1123 
1124 /* Search */
1125 typedef struct
1126 {
1127     UINT8           pdu;
1128     tAVRC_STS       status;
1129     UINT8           opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1130     tAVRC_FULL_NAME string;
1131 } tAVRC_SEARCH_CMD;
1132 
1133 /* PlayItem */
1134 typedef struct
1135 {
1136     UINT8       pdu;
1137     tAVRC_STS   status;
1138     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1139     UINT8       scope;
1140     tAVRC_UID   uid;
1141     UINT16      uid_counter;
1142 } tAVRC_PLAY_ITEM_CMD;
1143 
1144 /* AddToNowPlaying */
1145 typedef struct
1146 {
1147     UINT8       pdu;
1148     tAVRC_STS   status;
1149     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1150     UINT8       scope;
1151     tAVRC_UID   uid;
1152     UINT16      uid_counter;
1153 } tAVRC_ADD_TO_PLAY_CMD;
1154 
1155 typedef struct
1156 {
1157     UINT8       pdu;
1158     tAVRC_STS   status;
1159     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1160 } tAVRC_CMD;
1161 
1162 /* Continue and Abort */
1163 typedef struct
1164 {
1165     UINT8       pdu;
1166     tAVRC_STS   status;
1167     UINT8       opcode;         /* Op Code (assigned by AVRC_BldCommand according to pdu) */
1168     UINT8       target_pdu;
1169 } tAVRC_NEXT_CMD;
1170 
1171 typedef union
1172 {
1173     UINT8                       pdu;
1174     tAVRC_CMD                   cmd;
1175     tAVRC_GET_CAPS_CMD          get_caps;               /* GetCapability */
1176     tAVRC_CMD                   list_app_attr;          /* ListPlayerAppAttr */
1177     tAVRC_LIST_APP_VALUES_CMD   list_app_values;        /* ListPlayerAppValues */
1178     tAVRC_GET_CUR_APP_VALUE_CMD get_cur_app_val;        /* GetCurAppValue */
1179     tAVRC_SET_APP_VALUE_CMD     set_app_val;            /* SetAppValue */
1180     tAVRC_GET_APP_ATTR_TXT_CMD  get_app_attr_txt;       /* GetAppAttrTxt */
1181     tAVRC_GET_APP_VAL_TXT_CMD   get_app_val_txt;        /* GetAppValueTxt */
1182     tAVRC_INFORM_CHARSET_CMD    inform_charset;         /* InformCharset */
1183     tAVRC_BATTERY_STATUS_CMD    inform_battery_status;  /* InformBatteryStatus */
1184     tAVRC_GET_ELEM_ATTRS_CMD    get_elem_attrs;         /* GetElemAttrs */
1185     tAVRC_CMD                   get_play_status;        /* GetPlayStatus */
1186     tAVRC_REG_NOTIF_CMD         reg_notif;              /* RegNotify */
1187     tAVRC_NEXT_CMD              continu;                /* Continue */
1188     tAVRC_NEXT_CMD              abort;                  /* Abort */
1189 
1190     tAVRC_SET_ADDR_PLAYER_CMD   addr_player;            /* SetAddrPlayer */
1191     tAVRC_SET_VOLUME_CMD        volume;                 /* SetAbsVolume */
1192     tAVRC_SET_BR_PLAYER_CMD     br_player;              /* SetBrowsedPlayer */
1193     tAVRC_GET_ITEMS_CMD         get_items;              /* GetFolderItems */
1194     tAVRC_CHG_PATH_CMD          chg_path;               /* ChangePath */
1195     tAVRC_GET_ATTRS_CMD         get_attrs;              /* GetItemAttrs */
1196     tAVRC_SEARCH_CMD            search;                 /* Search */
1197     tAVRC_PLAY_ITEM_CMD         play_item;              /* PlayItem */
1198     tAVRC_ADD_TO_PLAY_CMD       add_to_play;            /* AddToNowPlaying */
1199 } tAVRC_COMMAND;
1200 
1201 /* GetCapability */
1202 typedef struct
1203 {
1204     UINT8       pdu;
1205     tAVRC_STS   status;
1206     UINT8       opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1207     UINT8       capability_id;
1208     UINT8       count;
1209     tAVRC_CAPS_PARAM param;
1210 } tAVRC_GET_CAPS_RSP;
1211 
1212 /* ListPlayerAppAttr */
1213 typedef struct
1214 {
1215     UINT8       pdu;
1216     tAVRC_STS   status;
1217     UINT8       opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1218     UINT8       num_attr;
1219     UINT8       attrs[AVRC_MAX_APP_ATTR_SIZE];
1220 } tAVRC_LIST_APP_ATTR_RSP;
1221 
1222 /* ListPlayerAppValues */
1223 typedef struct
1224 {
1225     UINT8       pdu;
1226     tAVRC_STS   status;
1227     UINT8       opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1228     UINT8       num_val;
1229     UINT8       vals[AVRC_MAX_APP_ATTR_SIZE];
1230 } tAVRC_LIST_APP_VALUES_RSP;
1231 
1232 /* GetCurAppValue */
1233 typedef struct
1234 {
1235     UINT8       pdu;
1236     tAVRC_STS   status;
1237     UINT8       opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1238     UINT8       num_val;
1239     tAVRC_APP_SETTING   *p_vals;
1240 } tAVRC_GET_CUR_APP_VALUE_RSP;
1241 
1242 /* GetAppAttrTxt */
1243 typedef struct
1244 {
1245     UINT8       pdu;
1246     tAVRC_STS   status;
1247     UINT8       opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1248     UINT8       num_attr;
1249     tAVRC_APP_SETTING_TEXT   *p_attrs;
1250 } tAVRC_GET_APP_ATTR_TXT_RSP;
1251 
1252 /* GetElemAttrs */
1253 typedef struct
1254 {
1255     UINT8       pdu;
1256     tAVRC_STS   status;
1257     UINT8       opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1258     UINT8       num_attr;
1259     tAVRC_ATTR_ENTRY   *p_attrs;
1260 } tAVRC_GET_ELEM_ATTRS_RSP;
1261 
1262 /* GetPlayStatus */
1263 typedef struct
1264 {
1265     UINT8       pdu;
1266     tAVRC_STS   status;
1267     UINT8       opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1268     UINT32      song_len;
1269     UINT32      song_pos;
1270     UINT8       play_status;
1271 } tAVRC_GET_PLAY_STATUS_RSP;
1272 
1273 /* notification event parameter for AddressedPlayer change */
1274 typedef struct
1275 {
1276     UINT16              player_id;
1277     UINT16              uid_counter;
1278 } tAVRC_ADDR_PLAYER_PARAM;
1279 
1280 #ifndef AVRC_MAX_APP_SETTINGS
1281 #define AVRC_MAX_APP_SETTINGS    8
1282 #endif
1283 
1284 /* notification event parameter for Player Application setting change */
1285 typedef struct
1286 {
1287     UINT8               num_attr;
1288     UINT8               attr_id[AVRC_MAX_APP_SETTINGS];
1289     UINT8               attr_value[AVRC_MAX_APP_SETTINGS];
1290 } tAVRC_PLAYER_APP_PARAM;
1291 
1292 typedef union
1293 {
1294     tAVRC_PLAYSTATE         play_status;
1295     tAVRC_UID               track;
1296     UINT32                  play_pos;
1297     tAVRC_BATTERY_STATUS    battery_status;
1298     tAVRC_SYSTEMSTATE       system_status;
1299     tAVRC_PLAYER_APP_PARAM  player_setting;
1300     tAVRC_ADDR_PLAYER_PARAM addr_player;
1301     UINT16                  uid_counter;
1302     UINT8                   volume;
1303 } tAVRC_NOTIF_RSP_PARAM;
1304 
1305 /* RegNotify */
1306 typedef struct
1307 {
1308     UINT8                   pdu;
1309     tAVRC_STS               status;
1310     UINT8                   opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1311     UINT8                   event_id;
1312     tAVRC_NOTIF_RSP_PARAM   param;
1313 } tAVRC_REG_NOTIF_RSP;
1314 
1315 /* SetAbsVolume */
1316 typedef struct
1317 {
1318     UINT8               pdu;
1319     tAVRC_STS           status;
1320     UINT8               opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1321     UINT8               volume;
1322 } tAVRC_SET_VOLUME_RSP;
1323 
1324 /* SetBrowsedPlayer */
1325 typedef struct
1326 {
1327     UINT8               pdu;
1328     tAVRC_STS           status;
1329     UINT8               opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1330     UINT16              uid_counter;
1331     UINT32              num_items;
1332     UINT16              charset_id;
1333     UINT8               folder_depth;
1334     tAVRC_NAME          *p_folders;
1335 } tAVRC_SET_BR_PLAYER_RSP;
1336 
1337 /* GetFolderItems */
1338 typedef struct
1339 {
1340     UINT8               pdu;
1341     tAVRC_STS           status;
1342     UINT8               opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1343     UINT16              uid_counter;
1344     UINT16              item_count;
1345     tAVRC_ITEM          *p_item_list;
1346 } tAVRC_GET_ITEMS_RSP;
1347 
1348 /* ChangePath */
1349 typedef struct
1350 {
1351     UINT8               pdu;
1352     tAVRC_STS           status;
1353     UINT8               opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1354     UINT32              num_items;
1355 } tAVRC_CHG_PATH_RSP;
1356 
1357 /* GetItemAttrs */
1358 typedef struct
1359 {
1360     UINT8               pdu;
1361     tAVRC_STS           status;
1362     UINT8               opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1363     UINT8               attr_count;
1364     tAVRC_ATTR_ENTRY    *p_attr_list;
1365 } tAVRC_GET_ATTRS_RSP;
1366 
1367 /* Search */
1368 typedef struct
1369 {
1370     UINT8               pdu;
1371     tAVRC_STS           status;
1372     UINT8               opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1373     UINT16              uid_counter;
1374     UINT32              num_items;
1375 } tAVRC_SEARCH_RSP;
1376 
1377 typedef struct
1378 {
1379     UINT8       pdu;
1380     tAVRC_STS   status;
1381     UINT8       opcode;         /* Op Code (copied from avrc_cmd.opcode by AVRC_BldResponse user. invalid one to generate according to pdu) */
1382 } tAVRC_RSP;
1383 
1384 typedef union
1385 {
1386     UINT8                           pdu;
1387     tAVRC_RSP                       rsp;
1388     tAVRC_GET_CAPS_RSP              get_caps;               /* GetCapability */
1389     tAVRC_LIST_APP_ATTR_RSP         list_app_attr;          /* ListPlayerAppAttr */
1390     tAVRC_LIST_APP_VALUES_RSP       list_app_values;        /* ListPlayerAppValues */
1391     tAVRC_GET_CUR_APP_VALUE_RSP     get_cur_app_val;        /* GetCurAppValue */
1392     tAVRC_RSP                       set_app_val;            /* SetAppValue */
1393     tAVRC_GET_APP_ATTR_TXT_RSP      get_app_attr_txt;       /* GetAppAttrTxt */
1394     tAVRC_GET_APP_ATTR_TXT_RSP      get_app_val_txt;        /* GetAppValueTxt */
1395     tAVRC_RSP                       inform_charset;         /* InformCharset */
1396     tAVRC_RSP                       inform_battery_status;  /* InformBatteryStatus */
1397     tAVRC_GET_ELEM_ATTRS_RSP        get_elem_attrs;         /* GetElemAttrs */
1398     tAVRC_GET_PLAY_STATUS_RSP       get_play_status;        /* GetPlayStatus */
1399     tAVRC_REG_NOTIF_RSP             reg_notif;              /* RegNotify */
1400     tAVRC_RSP                       continu;                /* Continue */
1401     tAVRC_RSP                       abort;                  /* Abort */
1402 
1403     tAVRC_RSP                       addr_player;            /* SetAddrPlayer */
1404     tAVRC_SET_VOLUME_RSP            volume;                 /* SetAbsVolume */
1405     tAVRC_SET_BR_PLAYER_RSP         br_player;              /* SetBrowsedPlayer */
1406     tAVRC_GET_ITEMS_RSP             get_items;              /* GetFolderItems */
1407     tAVRC_CHG_PATH_RSP              chg_path;               /* ChangePath */
1408     tAVRC_GET_ATTRS_RSP             get_attrs;              /* GetItemAttrs */
1409     tAVRC_SEARCH_RSP                search;                 /* Search */
1410     tAVRC_RSP                       play_item;              /* PlayItem */
1411     tAVRC_RSP                       add_to_play;            /* AddToNowPlaying */
1412 } tAVRC_RESPONSE;
1413 
1414 #endif
1415