1 /****************************************************************************** 2 * 3 * Copyright (C) 2004-2012 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 * This is the public interface file for the advanced audio/video streaming 22 * (AV) subsystem of BTA, Broadcom's Bluetooth application layer for mobile 23 * phones. 24 * 25 ******************************************************************************/ 26 #ifndef BTA_AV_API_H 27 #define BTA_AV_API_H 28 29 #include "a2dp_codec_api.h" 30 #include "avdt_api.h" 31 #include "avrc_api.h" 32 #include "bta_api.h" 33 34 /***************************************************************************** 35 * Constants and data types 36 ****************************************************************************/ 37 /* Set to TRUE if seperate authorization prompt desired for AVCTP besides A2DP 38 * authorization */ 39 /* Typically FALSE when AVRCP is used in conjunction with A2DP */ 40 #ifndef BTA_AV_WITH_AVCTP_AUTHORIZATION 41 #define BTA_AV_WITH_AVCTP_AUTHORIZATION FALSE 42 #endif 43 44 /* AV status values */ 45 #define BTA_AV_SUCCESS 0 /* successful operation */ 46 #define BTA_AV_FAIL 1 /* generic failure */ 47 #define BTA_AV_FAIL_SDP 2 /* service not found */ 48 #define BTA_AV_FAIL_STREAM 3 /* stream connection failed */ 49 #define BTA_AV_FAIL_RESOURCES 4 /* no resources */ 50 #define BTA_AV_FAIL_ROLE 5 /* failed due to role management related issues */ 51 #define BTA_AV_FAIL_GET_CAP \ 52 6 /* get capability failed due to no SEP availale on the peer */ 53 54 typedef uint8_t tBTA_AV_STATUS; 55 56 /* AV features masks */ 57 #define BTA_AV_FEAT_RCTG 0x0001 /* remote control target */ 58 #define BTA_AV_FEAT_RCCT 0x0002 /* remote control controller */ 59 #define BTA_AV_FEAT_PROTECT 0x0004 /* streaming media contect protection */ 60 #define BTA_AV_FEAT_VENDOR \ 61 0x0008 /* remote control vendor dependent commands \ 62 */ 63 #define BTA_AV_FEAT_REPORT 0x0020 /* use reporting service for VDP */ 64 #define BTA_AV_FEAT_METADATA \ 65 0x0040 /* remote control Metadata Transfer command/response */ 66 #define BTA_AV_FEAT_MULTI_AV \ 67 0x0080 /* use multi-av, if controller supports it */ 68 #define BTA_AV_FEAT_BROWSE 0x0010 /* use browsing channel */ 69 #define BTA_AV_FEAT_MASTER 0x0100 /* stream only as master role */ 70 #define BTA_AV_FEAT_ADV_CTRL \ 71 0x0200 /* remote control Advanced Control command/response */ 72 #define BTA_AV_FEAT_DELAY_RPT 0x0400 /* allow delay reporting */ 73 #define BTA_AV_FEAT_ACP_START \ 74 0x0800 /* start stream when 2nd SNK was accepted */ 75 #define BTA_AV_FEAT_APP_SETTING 0x2000 /* Player app setting support */ 76 77 /* Internal features */ 78 #define BTA_AV_FEAT_NO_SCO_SSPD \ 79 0x8000 /* Do not suspend av streaming as to AG events(SCO or Call) */ 80 81 typedef uint16_t tBTA_AV_FEAT; 82 83 /* AV channel values */ 84 #define BTA_AV_CHNL_MSK 0xC0 85 #define BTA_AV_CHNL_AUDIO 0x40 /* audio channel */ 86 #define BTA_AV_CHNL_VIDEO 0x80 /* video channel */ 87 typedef uint8_t tBTA_AV_CHNL; 88 89 #define BTA_AV_HNDL_MSK 0x3F 90 typedef uint8_t tBTA_AV_HNDL; 91 /* handle index to mask */ 92 #define BTA_AV_HNDL_TO_MSK(h) ((uint8_t)(1 << (h))) 93 94 /* maximum number of streams created: 1 for audio, 1 for video */ 95 #ifndef BTA_AV_NUM_STRS 96 #define BTA_AV_NUM_STRS 2 97 #endif 98 99 #ifndef BTA_AV_MAX_A2DP_MTU 100 /*#define BTA_AV_MAX_A2DP_MTU 668 //224 (DM5) * 3 - 4(L2CAP header) */ 101 #define BTA_AV_MAX_A2DP_MTU 1008 102 #endif 103 104 #ifndef BTA_AV_MAX_VDP_MTU 105 #define BTA_AV_MAX_VDP_MTU 1008 106 #endif 107 108 /* operation id list for BTA_AvRemoteCmd */ 109 #define BTA_AV_RC_SELECT AVRC_ID_SELECT /* select */ 110 #define BTA_AV_RC_UP AVRC_ID_UP /* up */ 111 #define BTA_AV_RC_DOWN AVRC_ID_DOWN /* down */ 112 #define BTA_AV_RC_LEFT AVRC_ID_LEFT /* left */ 113 #define BTA_AV_RC_RIGHT AVRC_ID_RIGHT /* right */ 114 #define BTA_AV_RC_RIGHT_UP AVRC_ID_RIGHT_UP /* right-up */ 115 #define BTA_AV_RC_RIGHT_DOWN AVRC_ID_RIGHT_DOWN /* right-down */ 116 #define BTA_AV_RC_LEFT_UP AVRC_ID_LEFT_UP /* left-up */ 117 #define BTA_AV_RC_LEFT_DOWN AVRC_ID_LEFT_DOWN /* left-down */ 118 #define BTA_AV_RC_ROOT_MENU AVRC_ID_ROOT_MENU /* root menu */ 119 #define BTA_AV_RC_SETUP_MENU AVRC_ID_SETUP_MENU /* setup menu */ 120 #define BTA_AV_RC_CONT_MENU AVRC_ID_CONT_MENU /* contents menu */ 121 #define BTA_AV_RC_FAV_MENU AVRC_ID_FAV_MENU /* favorite menu */ 122 #define BTA_AV_RC_EXIT AVRC_ID_EXIT /* exit */ 123 #define BTA_AV_RC_0 AVRC_ID_0 /* 0 */ 124 #define BTA_AV_RC_1 AVRC_ID_1 /* 1 */ 125 #define BTA_AV_RC_2 AVRC_ID_2 /* 2 */ 126 #define BTA_AV_RC_3 AVRC_ID_3 /* 3 */ 127 #define BTA_AV_RC_4 AVRC_ID_4 /* 4 */ 128 #define BTA_AV_RC_5 AVRC_ID_5 /* 5 */ 129 #define BTA_AV_RC_6 AVRC_ID_6 /* 6 */ 130 #define BTA_AV_RC_7 AVRC_ID_7 /* 7 */ 131 #define BTA_AV_RC_8 AVRC_ID_8 /* 8 */ 132 #define BTA_AV_RC_9 AVRC_ID_9 /* 9 */ 133 #define BTA_AV_RC_DOT AVRC_ID_DOT /* dot */ 134 #define BTA_AV_RC_ENTER AVRC_ID_ENTER /* enter */ 135 #define BTA_AV_RC_CLEAR AVRC_ID_CLEAR /* clear */ 136 #define BTA_AV_RC_CHAN_UP AVRC_ID_CHAN_UP /* channel up */ 137 #define BTA_AV_RC_CHAN_DOWN AVRC_ID_CHAN_DOWN /* channel down */ 138 #define BTA_AV_RC_PREV_CHAN AVRC_ID_PREV_CHAN /* previous channel */ 139 #define BTA_AV_RC_SOUND_SEL AVRC_ID_SOUND_SEL /* sound select */ 140 #define BTA_AV_RC_INPUT_SEL AVRC_ID_INPUT_SEL /* input select */ 141 #define BTA_AV_RC_DISP_INFO AVRC_ID_DISP_INFO /* display information */ 142 #define BTA_AV_RC_HELP AVRC_ID_HELP /* help */ 143 #define BTA_AV_RC_PAGE_UP AVRC_ID_PAGE_UP /* page up */ 144 #define BTA_AV_RC_PAGE_DOWN AVRC_ID_PAGE_DOWN /* page down */ 145 #define BTA_AV_RC_POWER AVRC_ID_POWER /* power */ 146 #define BTA_AV_RC_VOL_UP AVRC_ID_VOL_UP /* volume up */ 147 #define BTA_AV_RC_VOL_DOWN AVRC_ID_VOL_DOWN /* volume down */ 148 #define BTA_AV_RC_MUTE AVRC_ID_MUTE /* mute */ 149 #define BTA_AV_RC_PLAY AVRC_ID_PLAY /* play */ 150 #define BTA_AV_RC_STOP AVRC_ID_STOP /* stop */ 151 #define BTA_AV_RC_PAUSE AVRC_ID_PAUSE /* pause */ 152 #define BTA_AV_RC_RECORD AVRC_ID_RECORD /* record */ 153 #define BTA_AV_RC_REWIND AVRC_ID_REWIND /* rewind */ 154 #define BTA_AV_RC_FAST_FOR AVRC_ID_FAST_FOR /* fast forward */ 155 #define BTA_AV_RC_EJECT AVRC_ID_EJECT /* eject */ 156 #define BTA_AV_RC_FORWARD AVRC_ID_FORWARD /* forward */ 157 #define BTA_AV_RC_BACKWARD AVRC_ID_BACKWARD /* backward */ 158 #define BTA_AV_RC_ANGLE AVRC_ID_ANGLE /* angle */ 159 #define BTA_AV_RC_SUBPICT AVRC_ID_SUBPICT /* subpicture */ 160 #define BTA_AV_RC_F1 AVRC_ID_F1 /* F1 */ 161 #define BTA_AV_RC_F2 AVRC_ID_F2 /* F2 */ 162 #define BTA_AV_RC_F3 AVRC_ID_F3 /* F3 */ 163 #define BTA_AV_RC_F4 AVRC_ID_F4 /* F4 */ 164 #define BTA_AV_RC_F5 AVRC_ID_F5 /* F5 */ 165 #define BTA_AV_VENDOR AVRC_ID_VENDOR /* vendor unique */ 166 167 typedef uint8_t tBTA_AV_RC; 168 169 /* state flag for pass through command */ 170 #define BTA_AV_STATE_PRESS AVRC_STATE_PRESS /* key pressed */ 171 #define BTA_AV_STATE_RELEASE AVRC_STATE_RELEASE /* key released */ 172 173 typedef uint8_t tBTA_AV_STATE; 174 175 /* command codes for BTA_AvVendorCmd */ 176 #define BTA_AV_CMD_CTRL AVRC_CMD_CTRL 177 #define BTA_AV_CMD_STATUS AVRC_CMD_STATUS 178 #define BTA_AV_CMD_SPEC_INQ AVRC_CMD_SPEC_INQ 179 #define BTA_AV_CMD_NOTIF AVRC_CMD_NOTIF 180 #define BTA_AV_CMD_GEN_INQ AVRC_CMD_GEN_INQ 181 182 typedef uint8_t tBTA_AV_CMD; 183 184 /* response codes for BTA_AvVendorRsp */ 185 #define BTA_AV_RSP_NOT_IMPL AVRC_RSP_NOT_IMPL 186 #define BTA_AV_RSP_ACCEPT AVRC_RSP_ACCEPT 187 #define BTA_AV_RSP_REJ AVRC_RSP_REJ 188 #define BTA_AV_RSP_IN_TRANS AVRC_RSP_IN_TRANS 189 #define BTA_AV_RSP_IMPL_STBL AVRC_RSP_IMPL_STBL 190 #define BTA_AV_RSP_CHANGED AVRC_RSP_CHANGED 191 #define BTA_AV_RSP_INTERIM AVRC_RSP_INTERIM 192 193 typedef uint8_t tBTA_AV_CODE; 194 195 /* error codes for BTA_AvProtectRsp */ 196 #define BTA_AV_ERR_NONE A2DP_SUCCESS /* Success, no error */ 197 #define BTA_AV_ERR_BAD_STATE \ 198 AVDT_ERR_BAD_STATE /* Message cannot be processed in this state */ 199 #define BTA_AV_ERR_RESOURCE AVDT_ERR_RESOURCE /* Insufficient resources */ 200 #define BTA_AV_ERR_BAD_CP_TYPE \ 201 A2DP_BAD_CP_TYPE /* The requested Content Protection Type is not supported \ 202 */ 203 #define BTA_AV_ERR_BAD_CP_FORMAT \ 204 A2DP_BAD_CP_FORMAT /* The format of Content Protection Data is not correct \ 205 */ 206 207 typedef uint8_t tBTA_AV_ERR; 208 209 /* AV callback events */ 210 #define BTA_AV_ENABLE_EVT 0 /* AV enabled */ 211 #define BTA_AV_REGISTER_EVT 1 /* registered to AVDT */ 212 #define BTA_AV_OPEN_EVT 2 /* connection opened */ 213 #define BTA_AV_CLOSE_EVT 3 /* connection closed */ 214 #define BTA_AV_START_EVT 4 /* stream data transfer started */ 215 #define BTA_AV_STOP_EVT 5 /* stream data transfer stopped */ 216 #define BTA_AV_PROTECT_REQ_EVT 6 /* content protection request */ 217 #define BTA_AV_PROTECT_RSP_EVT 7 /* content protection response */ 218 #define BTA_AV_RC_OPEN_EVT 8 /* remote control channel open */ 219 #define BTA_AV_RC_CLOSE_EVT 9 /* remote control channel closed */ 220 #define BTA_AV_REMOTE_CMD_EVT 10 /* remote control command */ 221 #define BTA_AV_REMOTE_RSP_EVT 11 /* remote control response */ 222 #define BTA_AV_VENDOR_CMD_EVT 12 /* vendor dependent remote control command */ 223 #define BTA_AV_VENDOR_RSP_EVT \ 224 13 /* vendor dependent remote control response \ 225 */ 226 #define BTA_AV_RECONFIG_EVT 14 /* reconfigure response */ 227 #define BTA_AV_SUSPEND_EVT 15 /* suspend response */ 228 #define BTA_AV_PENDING_EVT \ 229 16 /* incoming connection pending: \ 230 * signal channel is open and stream is \ 231 * not open after \ 232 * BTA_AV_SIGNALLING_TIMEOUT_MS */ 233 #define BTA_AV_META_MSG_EVT 17 /* metadata messages */ 234 #define BTA_AV_REJECT_EVT 18 /* incoming connection rejected */ 235 #define BTA_AV_RC_FEAT_EVT \ 236 19 /* remote control channel peer supported features update */ 237 #define BTA_AV_SINK_MEDIA_CFG_EVT 20 /* command to configure codec */ 238 #define BTA_AV_SINK_MEDIA_DATA_EVT 21 /* sending data to Media Task */ 239 #define BTA_AV_OFFLOAD_START_RSP_EVT 22 /* a2dp offload start response */ 240 #define BTA_AV_RC_BROWSE_OPEN_EVT 23 /* remote control channel open */ 241 #define BTA_AV_RC_BROWSE_CLOSE_EVT 24 /* remote control channel closed */ 242 /* Max BTA event */ 243 #define BTA_AV_MAX_EVT 25 244 245 typedef uint8_t tBTA_AV_EVT; 246 247 /* Event associated with BTA_AV_ENABLE_EVT */ 248 typedef struct { tBTA_AV_FEAT features; } tBTA_AV_ENABLE; 249 250 /* Event associated with BTA_AV_REGISTER_EVT */ 251 typedef struct { 252 tBTA_AV_CHNL chnl; /* audio/video */ 253 tBTA_AV_HNDL hndl; /* Handle associated with the stream. */ 254 uint8_t app_id; /* ID associated with call to BTA_AvRegister() */ 255 tBTA_AV_STATUS status; 256 } tBTA_AV_REGISTER; 257 258 /* data associated with BTA_AV_OPEN_EVT */ 259 #define BTA_AV_EDR_2MBPS 0x01 260 #define BTA_AV_EDR_3MBPS 0x02 261 typedef uint8_t tBTA_AV_EDR; 262 263 typedef struct { 264 tBTA_AV_CHNL chnl; 265 tBTA_AV_HNDL hndl; 266 BD_ADDR bd_addr; 267 tBTA_AV_STATUS status; 268 bool starting; 269 tBTA_AV_EDR edr; /* 0, if peer device does not support EDR */ 270 uint8_t sep; /* sep type of peer device */ 271 } tBTA_AV_OPEN; 272 273 /* data associated with BTA_AV_CLOSE_EVT */ 274 typedef struct { 275 tBTA_AV_CHNL chnl; 276 tBTA_AV_HNDL hndl; 277 } tBTA_AV_CLOSE; 278 279 /* data associated with BTA_AV_START_EVT */ 280 typedef struct { 281 tBTA_AV_CHNL chnl; 282 tBTA_AV_HNDL hndl; 283 tBTA_AV_STATUS status; 284 bool initiator; /* true, if local device initiates the START */ 285 bool suspending; 286 } tBTA_AV_START; 287 288 /* data associated with BTA_AV_SUSPEND_EVT */ 289 typedef struct { 290 tBTA_AV_CHNL chnl; 291 tBTA_AV_HNDL hndl; 292 bool initiator; /* true, if local device initiates the SUSPEND */ 293 tBTA_AV_STATUS status; 294 } tBTA_AV_SUSPEND; 295 296 /* data associated with BTA_AV_RECONFIG_EVT */ 297 typedef struct { 298 tBTA_AV_CHNL chnl; 299 tBTA_AV_HNDL hndl; 300 tBTA_AV_STATUS status; 301 } tBTA_AV_RECONFIG; 302 303 /* data associated with BTA_AV_PROTECT_REQ_EVT */ 304 typedef struct { 305 tBTA_AV_CHNL chnl; 306 tBTA_AV_HNDL hndl; 307 uint8_t* p_data; 308 uint16_t len; 309 } tBTA_AV_PROTECT_REQ; 310 311 /* data associated with BTA_AV_PROTECT_RSP_EVT */ 312 typedef struct { 313 tBTA_AV_CHNL chnl; 314 tBTA_AV_HNDL hndl; 315 uint8_t* p_data; 316 uint16_t len; 317 tBTA_AV_ERR err_code; 318 } tBTA_AV_PROTECT_RSP; 319 320 /* data associated with BTA_AV_RC_OPEN_EVT */ 321 typedef struct { 322 uint8_t rc_handle; 323 tBTA_AV_FEAT peer_features; 324 BD_ADDR peer_addr; 325 tBTA_AV_STATUS status; 326 } tBTA_AV_RC_OPEN; 327 328 /* data associated with BTA_AV_RC_CLOSE_EVT */ 329 typedef struct { 330 uint8_t rc_handle; 331 BD_ADDR peer_addr; 332 } tBTA_AV_RC_CLOSE; 333 334 /* data associated with BTA_AV_RC_BROWSE_OPEN_EVT */ 335 typedef struct { 336 uint8_t rc_handle; 337 BD_ADDR peer_addr; 338 tBTA_AV_STATUS status; 339 } tBTA_AV_RC_BROWSE_OPEN; 340 341 /* data associated with BTA_AV_RC_BROWSE_CLOSE_EVT */ 342 typedef struct { 343 uint8_t rc_handle; 344 BD_ADDR peer_addr; 345 } tBTA_AV_RC_BROWSE_CLOSE; 346 347 /* data associated with BTA_AV_RC_FEAT_EVT */ 348 typedef struct { 349 uint8_t rc_handle; 350 tBTA_AV_FEAT peer_features; 351 BD_ADDR peer_addr; 352 } tBTA_AV_RC_FEAT; 353 354 /* data associated with BTA_AV_REMOTE_CMD_EVT */ 355 typedef struct { 356 uint8_t rc_handle; 357 tBTA_AV_RC rc_id; 358 tBTA_AV_STATE key_state; 359 uint8_t len; 360 uint8_t* p_data; 361 tAVRC_HDR hdr; /* Message header. */ 362 uint8_t label; 363 } tBTA_AV_REMOTE_CMD; 364 365 /* data associated with BTA_AV_REMOTE_RSP_EVT */ 366 typedef struct { 367 uint8_t rc_handle; 368 tBTA_AV_RC rc_id; 369 tBTA_AV_STATE key_state; 370 uint8_t len; 371 uint8_t* p_data; 372 tBTA_AV_CODE rsp_code; 373 uint8_t label; 374 } tBTA_AV_REMOTE_RSP; 375 376 /* data associated with BTA_AV_VENDOR_CMD_EVT, BTA_AV_VENDOR_RSP_EVT */ 377 typedef struct { 378 uint8_t rc_handle; 379 uint16_t len; /* Max vendor dependent message is 512 */ 380 uint8_t label; 381 tBTA_AV_CODE code; 382 uint32_t company_id; 383 uint8_t* p_data; 384 } tBTA_AV_VENDOR; 385 386 /* data associated with BTA_AV_META_MSG_EVT */ 387 typedef struct { 388 uint8_t rc_handle; 389 uint16_t len; 390 uint8_t label; 391 tBTA_AV_CODE code; 392 uint32_t company_id; 393 uint8_t* p_data; 394 tAVRC_MSG* p_msg; 395 } tBTA_AV_META_MSG; 396 397 /* data associated with BTA_AV_PENDING_EVT */ 398 typedef struct { BD_ADDR bd_addr; } tBTA_AV_PEND; 399 400 /* data associated with BTA_AV_REJECT_EVT */ 401 typedef struct { 402 BD_ADDR bd_addr; 403 tBTA_AV_HNDL hndl; /* Handle associated with the stream that rejected the 404 connection. */ 405 } tBTA_AV_REJECT; 406 407 /* union of data associated with AV callback */ 408 typedef union { 409 tBTA_AV_CHNL chnl; 410 tBTA_AV_ENABLE enable; 411 tBTA_AV_REGISTER registr; 412 tBTA_AV_OPEN open; 413 tBTA_AV_CLOSE close; 414 tBTA_AV_START start; 415 tBTA_AV_PROTECT_REQ protect_req; 416 tBTA_AV_PROTECT_RSP protect_rsp; 417 tBTA_AV_RC_OPEN rc_open; 418 tBTA_AV_RC_CLOSE rc_close; 419 tBTA_AV_RC_BROWSE_OPEN rc_browse_open; 420 tBTA_AV_RC_BROWSE_CLOSE rc_browse_close; 421 tBTA_AV_REMOTE_CMD remote_cmd; 422 tBTA_AV_REMOTE_RSP remote_rsp; 423 tBTA_AV_VENDOR vendor_cmd; 424 tBTA_AV_VENDOR vendor_rsp; 425 tBTA_AV_RECONFIG reconfig; 426 tBTA_AV_SUSPEND suspend; 427 tBTA_AV_PEND pend; 428 tBTA_AV_META_MSG meta_msg; 429 tBTA_AV_REJECT reject; 430 tBTA_AV_RC_FEAT rc_feat; 431 tBTA_AV_STATUS status; 432 } tBTA_AV; 433 434 typedef struct { 435 uint8_t* codec_info; 436 BD_ADDR bd_addr; 437 ; 438 } tBTA_AVK_CONFIG; 439 440 /* union of data associated with AV Media callback */ 441 typedef union { 442 BT_HDR* p_data; 443 tBTA_AVK_CONFIG avk_config; 444 } tBTA_AV_MEDIA; 445 446 #define BTA_GROUP_NAVI_MSG_OP_DATA_LEN 5 447 448 /* AV callback */ 449 typedef void(tBTA_AV_CBACK)(tBTA_AV_EVT event, tBTA_AV* p_data); 450 typedef void(tBTA_AV_SINK_DATA_CBACK)(tBTA_AV_EVT event, tBTA_AV_MEDIA* p_data); 451 452 /* type for stream state machine action functions */ 453 typedef void (*tBTA_AV_ACT)(void* p_cb, void* p_data); 454 455 /* type for registering VDP */ 456 typedef void(tBTA_AV_REG)(tAVDT_CS* p_cs, char* p_service_name, void* p_data); 457 458 /* AV configuration structure */ 459 typedef struct { 460 uint32_t company_id; /* AVRCP Company ID */ 461 uint16_t avrc_mtu; /* AVRCP MTU at L2CAP for control channel */ 462 uint16_t avrc_br_mtu; /* AVRCP MTU at L2CAP for browsing channel */ 463 uint16_t avrc_ct_cat; /* AVRCP controller categories */ 464 uint16_t avrc_tg_cat; /* AVRCP target categories */ 465 uint16_t sig_mtu; /* AVDTP signaling channel MTU at L2CAP */ 466 uint16_t audio_mtu; /* AVDTP audio transport channel MTU at L2CAP */ 467 const uint16_t* 468 p_audio_flush_to; /* AVDTP audio transport channel flush timeout */ 469 uint16_t audio_mqs; /* AVDTP audio channel max data queue size */ 470 uint16_t video_mtu; /* AVDTP video transport channel MTU at L2CAP */ 471 uint16_t video_flush_to; /* AVDTP video transport channel flush timeout */ 472 bool avrc_group; /* true, to accept AVRC 1.3 group nevigation command */ 473 uint8_t num_co_ids; /* company id count in p_meta_co_ids */ 474 uint8_t num_evt_ids; /* event id count in p_meta_evt_ids */ 475 tBTA_AV_CODE 476 rc_pass_rsp; /* the default response code for pass through commands */ 477 const uint32_t* 478 p_meta_co_ids; /* the metadata Get Capabilities response for company id */ 479 const uint8_t* p_meta_evt_ids; /* the the metadata Get Capabilities response 480 for event id */ 481 const tBTA_AV_ACT* p_act_tbl; /* the action function table for VDP stream */ 482 tBTA_AV_REG* p_reg; /* action function to register VDP */ 483 char avrc_controller_name[BTA_SERVICE_NAME_LEN]; /* Default AVRCP controller 484 name */ 485 char avrc_target_name[BTA_SERVICE_NAME_LEN]; /* Default AVRCP target name*/ 486 } tBTA_AV_CFG; 487 488 /***************************************************************************** 489 * External Function Declarations 490 ****************************************************************************/ 491 492 /******************************************************************************* 493 * 494 * Function BTA_AvEnable 495 * 496 * Description Enable the advanced audio/video service. When the enable 497 * operation is complete the callback function will be 498 * called with a BTA_AV_ENABLE_EVT. This function must 499 * be called before other function in the AV API are 500 * called. 501 * 502 * Returns void 503 * 504 ******************************************************************************/ 505 void BTA_AvEnable(tBTA_SEC sec_mask, tBTA_AV_FEAT features, 506 tBTA_AV_CBACK* p_cback); 507 508 /******************************************************************************* 509 * 510 * Function BTA_AvDisable 511 * 512 * Description Disable the advanced audio/video service. 513 * 514 * 515 * Returns void 516 * 517 ******************************************************************************/ 518 void BTA_AvDisable(void); 519 520 /******************************************************************************* 521 * 522 * Function BTA_AvRegister 523 * 524 * Description Register the audio or video service to stack. When the 525 * operation is complete the callback function will be 526 * called with a BTA_AV_REGISTER_EVT. This function must 527 * be called before AVDT stream is open. 528 * 529 * 530 * Returns void 531 * 532 ******************************************************************************/ 533 void BTA_AvRegister(tBTA_AV_CHNL chnl, const char* p_service_name, 534 uint8_t app_id, tBTA_AV_SINK_DATA_CBACK* p_sink_data_cback, 535 uint16_t service_uuid); 536 537 /******************************************************************************* 538 * 539 * Function BTA_AvDeregister 540 * 541 * Description Deregister the audio or video service 542 * 543 * Returns void 544 * 545 ******************************************************************************/ 546 void BTA_AvDeregister(tBTA_AV_HNDL hndl); 547 548 /******************************************************************************* 549 * 550 * Function BTA_AvOpen 551 * 552 * Description Opens an advanced audio/video connection to a peer device. 553 * When connection is open callback function is called 554 * with a BTA_AV_OPEN_EVT. 555 * 556 * Returns void 557 * 558 ******************************************************************************/ 559 void BTA_AvOpen(BD_ADDR bd_addr, tBTA_AV_HNDL handle, bool use_rc, 560 tBTA_SEC sec_mask, uint16_t uuid); 561 562 /******************************************************************************* 563 * 564 * Function BTA_AvClose 565 * 566 * Description Close the current streams. 567 * 568 * Returns void 569 * 570 ******************************************************************************/ 571 void BTA_AvClose(tBTA_AV_HNDL handle); 572 573 /******************************************************************************* 574 * 575 * Function BTA_AvDisconnect 576 * 577 * Description Close the connection to the address. 578 * 579 * Returns void 580 * 581 ******************************************************************************/ 582 void BTA_AvDisconnect(BD_ADDR bd_addr); 583 584 /******************************************************************************* 585 * 586 * Function BTA_AvStart 587 * 588 * Description Start audio/video stream data transfer. 589 * 590 * Returns void 591 * 592 ******************************************************************************/ 593 void BTA_AvStart(void); 594 595 /******************************************************************************* 596 * 597 * Function BTA_AvStop 598 * 599 * Description Stop audio/video stream data transfer. 600 * If suspend is true, this function sends AVDT suspend signal 601 * to the connected peer(s). 602 * 603 * Returns void 604 * 605 ******************************************************************************/ 606 void BTA_AvStop(bool suspend); 607 608 /******************************************************************************* 609 * 610 * Function BTA_AvReconfig 611 * 612 * Description Reconfigure the audio/video stream. 613 * If suspend is true, this function tries the 614 * suspend/reconfigure procedure first. 615 * If suspend is false or when suspend/reconfigure fails, 616 * this function closes and re-opens the AVDT connection. 617 * 618 * Returns void 619 * 620 ******************************************************************************/ 621 void BTA_AvReconfig(tBTA_AV_HNDL hndl, bool suspend, uint8_t sep_info_idx, 622 uint8_t* p_codec_info, uint8_t num_protect, 623 const uint8_t* p_protect_info); 624 625 /******************************************************************************* 626 * 627 * Function BTA_AvProtectReq 628 * 629 * Description Send a content protection request. This function can only 630 * be used if AV is enabled with feature BTA_AV_FEAT_PROTECT. 631 * 632 * Returns void 633 * 634 ******************************************************************************/ 635 void BTA_AvProtectReq(tBTA_AV_HNDL hndl, uint8_t* p_data, uint16_t len); 636 637 /******************************************************************************* 638 * 639 * Function BTA_AvProtectRsp 640 * 641 * Description Send a content protection response. This function must 642 * be called if a BTA_AV_PROTECT_REQ_EVT is received. 643 * This function can only be used if AV is enabled with 644 * feature BTA_AV_FEAT_PROTECT. 645 * 646 * Returns void 647 * 648 ******************************************************************************/ 649 void BTA_AvProtectRsp(tBTA_AV_HNDL hndl, uint8_t error_code, uint8_t* p_data, 650 uint16_t len); 651 652 /******************************************************************************* 653 * 654 * Function BTA_AvRemoteCmd 655 * 656 * Description Send a remote control command. This function can only 657 * be used if AV is enabled with feature BTA_AV_FEAT_RCCT. 658 * 659 * Returns void 660 * 661 ******************************************************************************/ 662 void BTA_AvRemoteCmd(uint8_t rc_handle, uint8_t label, tBTA_AV_RC rc_id, 663 tBTA_AV_STATE key_state); 664 665 /******************************************************************************* 666 * 667 * Function BTA_AvRemoteVendorUniqueCmd 668 * 669 * Description Send a remote control command with Vendor Unique rc_id. 670 * This function can only be used if AV is enabled with 671 * feature BTA_AV_FEAT_RCCT. 672 * 673 * Returns void 674 * 675 ******************************************************************************/ 676 void BTA_AvRemoteVendorUniqueCmd(uint8_t rc_handle, uint8_t label, 677 tBTA_AV_STATE key_state, uint8_t* p_msg, 678 uint8_t buf_len); 679 680 /******************************************************************************* 681 * 682 * Function BTA_AvVendorCmd 683 * 684 * Description Send a vendor dependent remote control command. This 685 * function can only be used if AV is enabled with feature 686 * BTA_AV_FEAT_VENDOR. 687 * 688 * Returns void 689 * 690 ******************************************************************************/ 691 void BTA_AvVendorCmd(uint8_t rc_handle, uint8_t label, tBTA_AV_CODE cmd_code, 692 uint8_t* p_data, uint16_t len); 693 694 /******************************************************************************* 695 * 696 * Function BTA_AvVendorRsp 697 * 698 * Description Send a vendor dependent remote control response. 699 * This function must be called if a BTA_AV_VENDOR_CMD_EVT 700 * is received. This function can only be used if AV is 701 * enabled with feature BTA_AV_FEAT_VENDOR. 702 * 703 * Returns void 704 * 705 ******************************************************************************/ 706 void BTA_AvVendorRsp(uint8_t rc_handle, uint8_t label, tBTA_AV_CODE rsp_code, 707 uint8_t* p_data, uint16_t len, uint32_t company_id); 708 709 /******************************************************************************* 710 * 711 * Function BTA_AvOpenRc 712 * 713 * Description Open an AVRCP connection toward the device with the 714 * specified handle 715 * 716 * Returns void 717 * 718 ******************************************************************************/ 719 void BTA_AvOpenRc(tBTA_AV_HNDL handle); 720 721 /******************************************************************************* 722 * 723 * Function BTA_AvCloseRc 724 * 725 * Description Close an AVRCP connection 726 * 727 * Returns void 728 * 729 ******************************************************************************/ 730 void BTA_AvCloseRc(uint8_t rc_handle); 731 732 /******************************************************************************* 733 * 734 * Function BTA_AvMetaRsp 735 * 736 * Description Send a Metadata command/response. The message contained 737 * in p_pkt can be composed with AVRC utility functions. 738 * This function can only be used if AV is enabled with feature 739 * BTA_AV_FEAT_METADATA. 740 * 741 * Returns void 742 * 743 ******************************************************************************/ 744 void BTA_AvMetaRsp(uint8_t rc_handle, uint8_t label, tBTA_AV_CODE rsp_code, 745 BT_HDR* p_pkt); 746 747 /******************************************************************************* 748 * 749 * Function BTA_AvMetaCmd 750 * 751 * Description Send a Metadata/Advanced Control command. The message 752 *contained 753 * in p_pkt can be composed with AVRC utility functions. 754 * This function can only be used if AV is enabled with feature 755 * BTA_AV_FEAT_METADATA. 756 * This message is sent only when the peer supports the TG 757 *role. 758 *8 The only command makes sense right now is the absolute 759 *volume command. 760 * 761 * Returns void 762 * 763 ******************************************************************************/ 764 void BTA_AvMetaCmd(uint8_t rc_handle, uint8_t label, tBTA_AV_CMD cmd_code, 765 BT_HDR* p_pkt); 766 767 /******************************************************************************* 768 * 769 * Function BTA_AvOffloadStart 770 * 771 * Description Request Starting of A2DP Offload. 772 * This function is used to start A2DP offload if vendor lib 773 * has the feature enabled. 774 * 775 * Returns void 776 * 777 ******************************************************************************/ 778 void BTA_AvOffloadStart(tBTA_AV_HNDL hndl); 779 780 /******************************************************************************* 781 * 782 * Function BTA_AvOffloadStartRsp 783 * 784 * Description Response from vendor library indicating response for 785 * OffloadStart. 786 * 787 * Returns void 788 * 789 ******************************************************************************/ 790 void BTA_AvOffloadStartRsp(tBTA_AV_HNDL hndl, tBTA_AV_STATUS status); 791 792 #endif /* BTA_AV_API_H */ 793
