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 "avrc_api.h" 30 #include "avdt_api.h" 31 #include "a2d_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 authorization */ 38 /* Typically FALSE when AVRCP is used in conjunction with A2DP */ 39 #ifndef BTA_AV_WITH_AVCTP_AUTHORIZATION 40 #define BTA_AV_WITH_AVCTP_AUTHORIZATION FALSE 41 #endif 42 43 /* AV status values */ 44 #define BTA_AV_SUCCESS 0 /* successful operation */ 45 #define BTA_AV_FAIL 1 /* generic failure */ 46 #define BTA_AV_FAIL_SDP 2 /* service not found */ 47 #define BTA_AV_FAIL_STREAM 3 /* stream connection failed */ 48 #define BTA_AV_FAIL_RESOURCES 4 /* no resources */ 49 #define BTA_AV_FAIL_ROLE 5 /* failed due to role management related issues */ 50 #define BTA_AV_FAIL_GET_CAP 6 /* get capability failed due to no SEP availale on the peer */ 51 52 typedef UINT8 tBTA_AV_STATUS; 53 54 /* AV features masks */ 55 #define BTA_AV_FEAT_RCTG 0x0001 /* remote control target */ 56 #define BTA_AV_FEAT_RCCT 0x0002 /* remote control controller */ 57 #define BTA_AV_FEAT_PROTECT 0x0004 /* streaming media contect protection */ 58 #define BTA_AV_FEAT_VENDOR 0x0008 /* remote control vendor dependent commands */ 59 #define BTA_AV_FEAT_REPORT 0x0020 /* use reporting service for VDP */ 60 #define BTA_AV_FEAT_METADATA 0x0040 /* remote control Metadata Transfer command/response */ 61 #define BTA_AV_FEAT_MULTI_AV 0x0080 /* use multi-av, if controller supports it */ 62 #define BTA_AV_FEAT_BROWSE 0x0010 /* use browsing channel */ 63 #define BTA_AV_FEAT_MASTER 0x0100 /* stream only as master role */ 64 #define BTA_AV_FEAT_ADV_CTRL 0x0200 /* remote control Advanced Control command/response */ 65 #define BTA_AV_FEAT_DELAY_RPT 0x0400 /* allow delay reporting */ 66 #define BTA_AV_FEAT_ACP_START 0x0800 /* start stream when 2nd SNK was accepted */ 67 68 /* Internal features */ 69 #define BTA_AV_FEAT_NO_SCO_SSPD 0x8000 /* Do not suspend av streaming as to AG events(SCO or Call) */ 70 71 typedef UINT16 tBTA_AV_FEAT; 72 73 /* AV channel values */ 74 #define BTA_AV_CHNL_MSK 0xC0 75 #define BTA_AV_CHNL_AUDIO 0x40 /* audio channel */ 76 #define BTA_AV_CHNL_VIDEO 0x80 /* video channel */ 77 typedef UINT8 tBTA_AV_CHNL; 78 79 80 #define BTA_AV_HNDL_MSK 0x3F 81 typedef UINT8 tBTA_AV_HNDL; 82 /* handle index to mask */ 83 #define BTA_AV_HNDL_TO_MSK(h) ((UINT8)(1 << (h))) 84 85 /* tBTA_AV_HNDL to mask */ 86 #define BTA_AV_HNDL_TYPE_TO_MSK(h) ((UINT8)(1 << (h&BTA_AV_HNDL_MSK))) 87 88 /* offset of codec type in codec info byte array */ 89 #define BTA_AV_CODEC_TYPE_IDX AVDT_CODEC_TYPE_INDEX /* 2 */ 90 91 92 93 /* maximum number of streams created: 1 for audio, 1 for video */ 94 #ifndef BTA_AV_NUM_STRS 95 #define BTA_AV_NUM_STRS 2 96 #endif 97 98 #ifndef BTA_AV_MAX_SEPS 99 #define BTA_AV_MAX_SEPS 2 100 #endif 101 102 #ifndef BTA_AV_MAX_A2DP_MTU 103 /*#define BTA_AV_MAX_A2DP_MTU 668 //224 (DM5) * 3 - 4(L2CAP header) */ 104 #define BTA_AV_MAX_A2DP_MTU 1008 105 #endif 106 107 #ifndef BTA_AV_MAX_VDP_MTU 108 #define BTA_AV_MAX_VDP_MTU 1008 109 #endif 110 111 112 /* codec type */ 113 #define BTA_AV_CODEC_SBC A2D_MEDIA_CT_SBC /* SBC media codec type */ 114 #define BTA_AV_CODEC_M12 A2D_MEDIA_CT_M12 /* MPEG-1, 2 Audio media codec type */ 115 #define BTA_AV_CODEC_M24 A2D_MEDIA_CT_M24 /* MPEG-2, 4 AAC media codec type */ 116 #define BTA_AV_CODEC_ATRAC A2D_MEDIA_CT_ATRAC /* ATRAC family media codec type */ 117 #define BTA_AV_CODEC_H263_P0 VDP_MEDIA_CT_H263_P0 /* H.263 baseline (profile 0) */ 118 #define BTA_AV_CODEC_MPEG4 VDP_MEDIA_CT_MPEG4 /* MPEG-4 Visual Simple Profile */ 119 #define BTA_AV_CODEC_H263_P3 VDP_MEDIA_CT_H263_P3 /* H.263 profile 3 */ 120 #define BTA_AV_CODEC_H263_P8 VDP_MEDIA_CT_H263_P8 /* H.263 profile 8 */ 121 #define BTA_AV_CODEC_VEND VDP_MEDIA_CT_VEND /* Non-VDP */ 122 123 typedef UINT8 tBTA_AV_CODEC; 124 125 /* Company ID in BT assigned numbers */ 126 #define BTA_AV_BT_VENDOR_ID VDP_BT_VENDOR_ID /* Broadcom Corporation */ 127 128 /* vendor specific codec ID */ 129 #define BTA_AV_CODEC_ID_H264 VDP_CODEC_ID_H264 /* Non-VDP codec ID - H.264 */ 130 #define BTA_AV_CODEC_ID_IMG VDP_CODEC_ID_IMG /* Non-VDP codec ID - images/slideshow */ 131 132 /* operation id list for BTA_AvRemoteCmd */ 133 #define BTA_AV_RC_SELECT AVRC_ID_SELECT /* select */ 134 #define BTA_AV_RC_UP AVRC_ID_UP /* up */ 135 #define BTA_AV_RC_DOWN AVRC_ID_DOWN /* down */ 136 #define BTA_AV_RC_LEFT AVRC_ID_LEFT /* left */ 137 #define BTA_AV_RC_RIGHT AVRC_ID_RIGHT /* right */ 138 #define BTA_AV_RC_RIGHT_UP AVRC_ID_RIGHT_UP /* right-up */ 139 #define BTA_AV_RC_RIGHT_DOWN AVRC_ID_RIGHT_DOWN /* right-down */ 140 #define BTA_AV_RC_LEFT_UP AVRC_ID_LEFT_UP /* left-up */ 141 #define BTA_AV_RC_LEFT_DOWN AVRC_ID_LEFT_DOWN /* left-down */ 142 #define BTA_AV_RC_ROOT_MENU AVRC_ID_ROOT_MENU /* root menu */ 143 #define BTA_AV_RC_SETUP_MENU AVRC_ID_SETUP_MENU /* setup menu */ 144 #define BTA_AV_RC_CONT_MENU AVRC_ID_CONT_MENU /* contents menu */ 145 #define BTA_AV_RC_FAV_MENU AVRC_ID_FAV_MENU /* favorite menu */ 146 #define BTA_AV_RC_EXIT AVRC_ID_EXIT /* exit */ 147 #define BTA_AV_RC_0 AVRC_ID_0 /* 0 */ 148 #define BTA_AV_RC_1 AVRC_ID_1 /* 1 */ 149 #define BTA_AV_RC_2 AVRC_ID_2 /* 2 */ 150 #define BTA_AV_RC_3 AVRC_ID_3 /* 3 */ 151 #define BTA_AV_RC_4 AVRC_ID_4 /* 4 */ 152 #define BTA_AV_RC_5 AVRC_ID_5 /* 5 */ 153 #define BTA_AV_RC_6 AVRC_ID_6 /* 6 */ 154 #define BTA_AV_RC_7 AVRC_ID_7 /* 7 */ 155 #define BTA_AV_RC_8 AVRC_ID_8 /* 8 */ 156 #define BTA_AV_RC_9 AVRC_ID_9 /* 9 */ 157 #define BTA_AV_RC_DOT AVRC_ID_DOT /* dot */ 158 #define BTA_AV_RC_ENTER AVRC_ID_ENTER /* enter */ 159 #define BTA_AV_RC_CLEAR AVRC_ID_CLEAR /* clear */ 160 #define BTA_AV_RC_CHAN_UP AVRC_ID_CHAN_UP /* channel up */ 161 #define BTA_AV_RC_CHAN_DOWN AVRC_ID_CHAN_DOWN /* channel down */ 162 #define BTA_AV_RC_PREV_CHAN AVRC_ID_PREV_CHAN /* previous channel */ 163 #define BTA_AV_RC_SOUND_SEL AVRC_ID_SOUND_SEL /* sound select */ 164 #define BTA_AV_RC_INPUT_SEL AVRC_ID_INPUT_SEL /* input select */ 165 #define BTA_AV_RC_DISP_INFO AVRC_ID_DISP_INFO /* display information */ 166 #define BTA_AV_RC_HELP AVRC_ID_HELP /* help */ 167 #define BTA_AV_RC_PAGE_UP AVRC_ID_PAGE_UP /* page up */ 168 #define BTA_AV_RC_PAGE_DOWN AVRC_ID_PAGE_DOWN /* page down */ 169 #define BTA_AV_RC_POWER AVRC_ID_POWER /* power */ 170 #define BTA_AV_RC_VOL_UP AVRC_ID_VOL_UP /* volume up */ 171 #define BTA_AV_RC_VOL_DOWN AVRC_ID_VOL_DOWN /* volume down */ 172 #define BTA_AV_RC_MUTE AVRC_ID_MUTE /* mute */ 173 #define BTA_AV_RC_PLAY AVRC_ID_PLAY /* play */ 174 #define BTA_AV_RC_STOP AVRC_ID_STOP /* stop */ 175 #define BTA_AV_RC_PAUSE AVRC_ID_PAUSE /* pause */ 176 #define BTA_AV_RC_RECORD AVRC_ID_RECORD /* record */ 177 #define BTA_AV_RC_REWIND AVRC_ID_REWIND /* rewind */ 178 #define BTA_AV_RC_FAST_FOR AVRC_ID_FAST_FOR /* fast forward */ 179 #define BTA_AV_RC_EJECT AVRC_ID_EJECT /* eject */ 180 #define BTA_AV_RC_FORWARD AVRC_ID_FORWARD /* forward */ 181 #define BTA_AV_RC_BACKWARD AVRC_ID_BACKWARD /* backward */ 182 #define BTA_AV_RC_ANGLE AVRC_ID_ANGLE /* angle */ 183 #define BTA_AV_RC_SUBPICT AVRC_ID_SUBPICT /* subpicture */ 184 #define BTA_AV_RC_F1 AVRC_ID_F1 /* F1 */ 185 #define BTA_AV_RC_F2 AVRC_ID_F2 /* F2 */ 186 #define BTA_AV_RC_F3 AVRC_ID_F3 /* F3 */ 187 #define BTA_AV_RC_F4 AVRC_ID_F4 /* F4 */ 188 #define BTA_AV_RC_F5 AVRC_ID_F5 /* F5 */ 189 #define BTA_AV_VENDOR AVRC_ID_VENDOR /* vendor unique */ 190 191 typedef UINT8 tBTA_AV_RC; 192 193 /* state flag for pass through command */ 194 #define BTA_AV_STATE_PRESS AVRC_STATE_PRESS /* key pressed */ 195 #define BTA_AV_STATE_RELEASE AVRC_STATE_RELEASE /* key released */ 196 197 typedef UINT8 tBTA_AV_STATE; 198 199 /* command codes for BTA_AvVendorCmd */ 200 #define BTA_AV_CMD_CTRL AVRC_CMD_CTRL 201 #define BTA_AV_CMD_STATUS AVRC_CMD_STATUS 202 #define BTA_AV_CMD_SPEC_INQ AVRC_CMD_SPEC_INQ 203 #define BTA_AV_CMD_NOTIF AVRC_CMD_NOTIF 204 #define BTA_AV_CMD_GEN_INQ AVRC_CMD_GEN_INQ 205 206 typedef UINT8 tBTA_AV_CMD; 207 208 /* response codes for BTA_AvVendorRsp */ 209 #define BTA_AV_RSP_NOT_IMPL AVRC_RSP_NOT_IMPL 210 #define BTA_AV_RSP_ACCEPT AVRC_RSP_ACCEPT 211 #define BTA_AV_RSP_REJ AVRC_RSP_REJ 212 #define BTA_AV_RSP_IN_TRANS AVRC_RSP_IN_TRANS 213 #define BTA_AV_RSP_IMPL_STBL AVRC_RSP_IMPL_STBL 214 #define BTA_AV_RSP_CHANGED AVRC_RSP_CHANGED 215 #define BTA_AV_RSP_INTERIM AVRC_RSP_INTERIM 216 217 typedef UINT8 tBTA_AV_CODE; 218 219 /* error codes for BTA_AvProtectRsp */ 220 #define BTA_AV_ERR_NONE A2D_SUCCESS /* Success, no error */ 221 #define BTA_AV_ERR_BAD_STATE AVDT_ERR_BAD_STATE /* Message cannot be processed in this state */ 222 #define BTA_AV_ERR_RESOURCE AVDT_ERR_RESOURCE /* Insufficient resources */ 223 #define BTA_AV_ERR_BAD_CP_TYPE A2D_BAD_CP_TYPE /* The requested Content Protection Type is not supported */ 224 #define BTA_AV_ERR_BAD_CP_FORMAT A2D_BAD_CP_FORMAT /* The format of Content Protection Data is not correct */ 225 226 typedef UINT8 tBTA_AV_ERR; 227 228 229 /* AV callback events */ 230 #define BTA_AV_ENABLE_EVT 0 /* AV enabled */ 231 #define BTA_AV_REGISTER_EVT 1 /* registered to AVDT */ 232 #define BTA_AV_OPEN_EVT 2 /* connection opened */ 233 #define BTA_AV_CLOSE_EVT 3 /* connection closed */ 234 #define BTA_AV_START_EVT 4 /* stream data transfer started */ 235 #define BTA_AV_STOP_EVT 5 /* stream data transfer stopped */ 236 #define BTA_AV_PROTECT_REQ_EVT 6 /* content protection request */ 237 #define BTA_AV_PROTECT_RSP_EVT 7 /* content protection response */ 238 #define BTA_AV_RC_OPEN_EVT 8 /* remote control channel open */ 239 #define BTA_AV_RC_CLOSE_EVT 9 /* remote control channel closed */ 240 #define BTA_AV_REMOTE_CMD_EVT 10 /* remote control command */ 241 #define BTA_AV_REMOTE_RSP_EVT 11 /* remote control response */ 242 #define BTA_AV_VENDOR_CMD_EVT 12 /* vendor dependent remote control command */ 243 #define BTA_AV_VENDOR_RSP_EVT 13 /* vendor dependent remote control response */ 244 #define BTA_AV_RECONFIG_EVT 14 /* reconfigure response */ 245 #define BTA_AV_SUSPEND_EVT 15 /* suspend response */ 246 #define BTA_AV_PENDING_EVT 16 /* incoming connection pending: 247 * signal channel is open and stream is not open 248 * after BTA_AV_SIG_TIME_VAL ms */ 249 #define BTA_AV_META_MSG_EVT 17 /* metadata messages */ 250 #define BTA_AV_REJECT_EVT 18 /* incoming connection rejected */ 251 #define BTA_AV_RC_FEAT_EVT 19 /* remote control channel peer supported features update */ 252 #define BTA_AV_MEDIA_SINK_CFG_EVT 20 /* command to configure codec */ 253 #define BTA_AV_MEDIA_DATA_EVT 21 /* sending data to Media Task */ 254 /* Max BTA event */ 255 #define BTA_AV_MAX_EVT 22 256 257 258 typedef UINT8 tBTA_AV_EVT; 259 260 /* Event associated with BTA_AV_ENABLE_EVT */ 261 typedef struct 262 { 263 tBTA_AV_FEAT features; 264 } tBTA_AV_ENABLE; 265 266 /* Event associated with BTA_AV_REGISTER_EVT */ 267 typedef struct 268 { 269 tBTA_AV_CHNL chnl; /* audio/video */ 270 tBTA_AV_HNDL hndl; /* Handle associated with the stream. */ 271 UINT8 app_id; /* ID associated with call to BTA_AvRegister() */ 272 tBTA_AV_STATUS status; 273 } tBTA_AV_REGISTER; 274 275 /* data associated with BTA_AV_OPEN_EVT */ 276 #define BTA_AV_EDR_2MBPS 0x01 277 #define BTA_AV_EDR_3MBPS 0x02 278 typedef UINT8 tBTA_AV_EDR; 279 280 typedef struct 281 { 282 tBTA_AV_CHNL chnl; 283 tBTA_AV_HNDL hndl; 284 BD_ADDR bd_addr; 285 tBTA_AV_STATUS status; 286 BOOLEAN starting; 287 tBTA_AV_EDR edr; /* 0, if peer device does not support EDR */ 288 UINT8 sep; /* sep type of peer device */ 289 } tBTA_AV_OPEN; 290 291 /* data associated with BTA_AV_CLOSE_EVT */ 292 typedef struct 293 { 294 tBTA_AV_CHNL chnl; 295 tBTA_AV_HNDL hndl; 296 } tBTA_AV_CLOSE; 297 298 /* data associated with BTA_AV_START_EVT */ 299 typedef struct 300 { 301 tBTA_AV_CHNL chnl; 302 tBTA_AV_HNDL hndl; 303 tBTA_AV_STATUS status; 304 BOOLEAN initiator; /* TRUE, if local device initiates the START */ 305 BOOLEAN suspending; 306 } tBTA_AV_START; 307 308 /* data associated with BTA_AV_SUSPEND_EVT */ 309 typedef struct 310 { 311 tBTA_AV_CHNL chnl; 312 tBTA_AV_HNDL hndl; 313 BOOLEAN initiator; /* TRUE, if local device initiates the SUSPEND */ 314 tBTA_AV_STATUS status; 315 } tBTA_AV_SUSPEND; 316 317 /* data associated with BTA_AV_RECONFIG_EVT */ 318 typedef struct 319 { 320 tBTA_AV_CHNL chnl; 321 tBTA_AV_HNDL hndl; 322 tBTA_AV_STATUS status; 323 } tBTA_AV_RECONFIG; 324 325 /* data associated with BTA_AV_PROTECT_REQ_EVT */ 326 typedef struct 327 { 328 tBTA_AV_CHNL chnl; 329 tBTA_AV_HNDL hndl; 330 UINT8 *p_data; 331 UINT16 len; 332 } tBTA_AV_PROTECT_REQ; 333 334 /* data associated with BTA_AV_PROTECT_RSP_EVT */ 335 typedef struct 336 { 337 tBTA_AV_CHNL chnl; 338 tBTA_AV_HNDL hndl; 339 UINT8 *p_data; 340 UINT16 len; 341 tBTA_AV_ERR err_code; 342 } tBTA_AV_PROTECT_RSP; 343 344 /* data associated with BTA_AV_RC_OPEN_EVT */ 345 typedef struct 346 { 347 UINT8 rc_handle; 348 tBTA_AV_FEAT peer_features; 349 BD_ADDR peer_addr; 350 tBTA_AV_STATUS status; 351 } tBTA_AV_RC_OPEN; 352 353 /* data associated with BTA_AV_RC_CLOSE_EVT */ 354 typedef struct 355 { 356 UINT8 rc_handle; 357 BD_ADDR peer_addr; 358 } tBTA_AV_RC_CLOSE; 359 360 /* data associated with BTA_AV_RC_FEAT_EVT */ 361 typedef struct 362 { 363 UINT8 rc_handle; 364 tBTA_AV_FEAT peer_features; 365 } tBTA_AV_RC_FEAT; 366 367 /* data associated with BTA_AV_REMOTE_CMD_EVT */ 368 typedef struct 369 { 370 UINT8 rc_handle; 371 tBTA_AV_RC rc_id; 372 tBTA_AV_STATE key_state; 373 UINT8 len; 374 UINT8 *p_data; 375 tAVRC_HDR hdr; /* Message header. */ 376 UINT8 label; 377 } tBTA_AV_REMOTE_CMD; 378 379 /* data associated with BTA_AV_REMOTE_RSP_EVT */ 380 typedef struct 381 { 382 UINT8 rc_handle; 383 tBTA_AV_RC rc_id; 384 tBTA_AV_STATE key_state; 385 UINT8 len; 386 UINT8 *p_data; 387 tBTA_AV_CODE rsp_code; 388 UINT8 label; 389 } tBTA_AV_REMOTE_RSP; 390 391 /* data associated with BTA_AV_VENDOR_CMD_EVT, BTA_AV_VENDOR_RSP_EVT */ 392 typedef struct 393 { 394 UINT8 rc_handle; 395 UINT16 len; /* Max vendor dependent message is 512 */ 396 UINT8 label; 397 tBTA_AV_CODE code; 398 UINT32 company_id; 399 UINT8 *p_data; 400 } tBTA_AV_VENDOR; 401 402 /* data associated with BTA_AV_META_MSG_EVT */ 403 typedef struct 404 { 405 UINT8 rc_handle; 406 UINT16 len; 407 UINT8 label; 408 tBTA_AV_CODE code; 409 UINT32 company_id; 410 UINT8 *p_data; 411 tAVRC_MSG *p_msg; 412 } tBTA_AV_META_MSG; 413 414 /* data associated with BTA_AV_PENDING_EVT */ 415 typedef struct 416 { 417 BD_ADDR bd_addr; 418 } tBTA_AV_PEND; 419 420 /* data associated with BTA_AV_REJECT_EVT */ 421 typedef struct 422 { 423 BD_ADDR bd_addr; 424 tBTA_AV_HNDL hndl; /* Handle associated with the stream that rejected the connection. */ 425 } tBTA_AV_REJECT; 426 427 428 /* union of data associated with AV callback */ 429 typedef union 430 { 431 tBTA_AV_CHNL chnl; 432 tBTA_AV_ENABLE enable; 433 tBTA_AV_REGISTER registr; 434 tBTA_AV_OPEN open; 435 tBTA_AV_CLOSE close; 436 tBTA_AV_START start; 437 tBTA_AV_PROTECT_REQ protect_req; 438 tBTA_AV_PROTECT_RSP protect_rsp; 439 tBTA_AV_RC_OPEN rc_open; 440 tBTA_AV_RC_CLOSE rc_close; 441 tBTA_AV_REMOTE_CMD remote_cmd; 442 tBTA_AV_REMOTE_RSP remote_rsp; 443 tBTA_AV_VENDOR vendor_cmd; 444 tBTA_AV_VENDOR vendor_rsp; 445 tBTA_AV_RECONFIG reconfig; 446 tBTA_AV_SUSPEND suspend; 447 tBTA_AV_PEND pend; 448 tBTA_AV_META_MSG meta_msg; 449 tBTA_AV_REJECT reject; 450 tBTA_AV_RC_FEAT rc_feat; 451 } tBTA_AV; 452 453 /* union of data associated with AV Media callback */ 454 typedef union 455 { 456 BT_HDR *p_data; 457 UINT8 *codec_info; 458 } tBTA_AV_MEDIA; 459 460 461 #define BTA_AVC_PACKET_LEN AVRC_PACKET_LEN 462 #define BTA_VENDOR_DATA_OFFSET 6 463 #define BTA_VENDOR_HEADER_LEN 4 464 #define BTA_MAX_VENDOR_DEPENDENT_DATA_LEN (BTA_AVC_PACKET_LEN-BTA_VENDOR_DATA_OFFSET-BTA_VENDOR_HEADER_LEN) 465 #define BTA_GROUP_NAVI_MSG_OP_DATA_LEN 5 466 467 #define BTA_ERROR_INVALID_CMD AVRC_STS_BAD_CMD 468 #define BTA_ERROR_INVALID_PARAM AVRC_STS_BAD_PARAM 469 #define BTA_ERROR_BAD_CONTENTS AVRC_STS_NOT_FOUND 470 #define BTA_ERROR_INTERNAL AVRC_STS_INTERNAL_ERR 471 472 #define BTA_AV_META_SINGLE_PACKET AVRC_PKT_SINGLE 473 474 #define BTA_AV_CO_METADATA AVRC_CO_METADATA 475 476 /* AV callback */ 477 typedef void (tBTA_AV_CBACK)(tBTA_AV_EVT event, tBTA_AV *p_data); 478 typedef void (tBTA_AV_DATA_CBACK)(tBTA_AV_EVT event, tBTA_AV_MEDIA *p_data); 479 480 /* type for stream state machine action functions */ 481 typedef void (*tBTA_AV_ACT)(void *p_cb, void *p_data); 482 483 /* type for registering VDP */ 484 typedef void (tBTA_AV_REG) (tAVDT_CS *p_cs, char *p_service_name, void *p_data); 485 486 /* AV configuration structure */ 487 typedef struct 488 { 489 UINT32 company_id; /* AVRCP Company ID */ 490 UINT16 avrc_mtu; /* AVRCP MTU at L2CAP for control channel */ 491 UINT16 avrc_br_mtu; /* AVRCP MTU at L2CAP for browsing channel */ 492 UINT16 avrc_ct_cat; /* AVRCP controller categories */ 493 UINT16 avrc_tg_cat; /* AVRCP target categories */ 494 UINT16 sig_mtu; /* AVDTP signaling channel MTU at L2CAP */ 495 UINT16 audio_mtu; /* AVDTP audio transport channel MTU at L2CAP */ 496 const UINT16 *p_audio_flush_to;/* AVDTP audio transport channel flush timeout */ 497 UINT16 audio_mqs; /* AVDTP audio channel max data queue size */ 498 UINT16 video_mtu; /* AVDTP video transport channel MTU at L2CAP */ 499 UINT16 video_flush_to; /* AVDTP video transport channel flush timeout */ 500 BOOLEAN avrc_group; /* TRUE, to accept AVRC 1.3 group nevigation command */ 501 UINT8 num_co_ids; /* company id count in p_meta_co_ids */ 502 UINT8 num_evt_ids; /* event id count in p_meta_evt_ids */ 503 tBTA_AV_CODE rc_pass_rsp; /* the default response code for pass through commands */ 504 const UINT32 *p_meta_co_ids;/* the metadata Get Capabilities response for company id */ 505 const UINT8 *p_meta_evt_ids;/* the the metadata Get Capabilities response for event id */ 506 const tBTA_AV_ACT *p_act_tbl;/* the action function table for VDP stream */ 507 tBTA_AV_REG *p_reg; /* action function to register VDP */ 508 char avrc_controller_name[BTA_SERVICE_NAME_LEN]; /* Default AVRCP controller name */ 509 char avrc_target_name[BTA_SERVICE_NAME_LEN]; /* Default AVRCP target name*/ 510 } tBTA_AV_CFG; 511 512 #ifdef __cplusplus 513 extern "C" 514 { 515 #endif 516 517 /***************************************************************************** 518 ** External Function Declarations 519 *****************************************************************************/ 520 521 /******************************************************************************* 522 ** 523 ** Function BTA_AvEnable 524 ** 525 ** Description Enable the advanced audio/video service. When the enable 526 ** operation is complete the callback function will be 527 ** called with a BTA_AV_ENABLE_EVT. This function must 528 ** be called before other function in the AV API are 529 ** called. 530 ** 531 ** Returns void 532 ** 533 *******************************************************************************/ 534 BTA_API void BTA_AvEnable(tBTA_SEC sec_mask, tBTA_AV_FEAT features, 535 tBTA_AV_CBACK *p_cback); 536 537 /******************************************************************************* 538 ** 539 ** Function BTA_AvDisable 540 ** 541 ** Description Disable the advanced audio/video service. 542 ** 543 ** 544 ** Returns void 545 ** 546 *******************************************************************************/ 547 BTA_API void BTA_AvDisable(void); 548 549 /******************************************************************************* 550 ** 551 ** Function BTA_AvRegister 552 ** 553 ** Description Register the audio or video service to stack. When the 554 ** operation is complete the callback function will be 555 ** called with a BTA_AV_REGISTER_EVT. This function must 556 ** be called before AVDT stream is open. 557 ** 558 ** 559 ** Returns void 560 ** 561 *******************************************************************************/ 562 BTA_API void BTA_AvRegister(tBTA_AV_CHNL chnl, const char *p_service_name, 563 UINT8 app_id, tBTA_AV_DATA_CBACK *p_data_cback); 564 565 /******************************************************************************* 566 ** 567 ** Function BTA_AvDeregister 568 ** 569 ** Description Deregister the audio or video service 570 ** 571 ** Returns void 572 ** 573 *******************************************************************************/ 574 BTA_API void BTA_AvDeregister(tBTA_AV_HNDL hndl); 575 576 /******************************************************************************* 577 ** 578 ** Function BTA_AvOpen 579 ** 580 ** Description Opens an advanced audio/video connection to a peer device. 581 ** When connection is open callback function is called 582 ** with a BTA_AV_OPEN_EVT. 583 ** 584 ** Returns void 585 ** 586 *******************************************************************************/ 587 BTA_API void BTA_AvOpen(BD_ADDR bd_addr, tBTA_AV_HNDL handle, 588 BOOLEAN use_rc, tBTA_SEC sec_mask, UINT16 uuid); 589 590 /******************************************************************************* 591 ** 592 ** Function BTA_AvClose 593 ** 594 ** Description Close the current streams. 595 ** 596 ** Returns void 597 ** 598 *******************************************************************************/ 599 BTA_API void BTA_AvClose(tBTA_AV_HNDL handle); 600 601 /******************************************************************************* 602 ** 603 ** Function BTA_AvDisconnect 604 ** 605 ** Description Close the connection to the address. 606 ** 607 ** Returns void 608 ** 609 *******************************************************************************/ 610 BTA_API void BTA_AvDisconnect(BD_ADDR bd_addr); 611 612 /******************************************************************************* 613 ** 614 ** Function BTA_AvEnable_Sink 615 ** 616 ** Description Enable/Disable A2DP Sink. 617 ** 618 ** Returns void 619 ** 620 *******************************************************************************/ 621 void BTA_AvEnable_Sink(int enable); 622 623 /******************************************************************************* 624 ** 625 ** Function BTA_AvStart 626 ** 627 ** Description Start audio/video stream data transfer. 628 ** 629 ** Returns void 630 ** 631 *******************************************************************************/ 632 BTA_API void BTA_AvStart(void); 633 634 /******************************************************************************* 635 ** 636 ** Function BTA_AvStop 637 ** 638 ** Description Stop audio/video stream data transfer. 639 ** If suspend is TRUE, this function sends AVDT suspend signal 640 ** to the connected peer(s). 641 ** 642 ** Returns void 643 ** 644 *******************************************************************************/ 645 BTA_API void BTA_AvStop(BOOLEAN suspend); 646 647 /******************************************************************************* 648 ** 649 ** Function BTA_AvReconfig 650 ** 651 ** Description Reconfigure the audio/video stream. 652 ** If suspend is TRUE, this function tries the suspend/reconfigure 653 ** procedure first. 654 ** If suspend is FALSE or when suspend/reconfigure fails, 655 ** this function closes and re-opens the AVDT connection. 656 ** 657 ** Returns void 658 ** 659 *******************************************************************************/ 660 BTA_API void BTA_AvReconfig(tBTA_AV_HNDL hndl, BOOLEAN suspend, UINT8 sep_info_idx, 661 UINT8 *p_codec_info, UINT8 num_protect, UINT8 *p_protect_info); 662 663 /******************************************************************************* 664 ** 665 ** Function BTA_AvProtectReq 666 ** 667 ** Description Send a content protection request. This function can only 668 ** be used if AV is enabled with feature BTA_AV_FEAT_PROTECT. 669 ** 670 ** Returns void 671 ** 672 *******************************************************************************/ 673 BTA_API void BTA_AvProtectReq(tBTA_AV_HNDL hndl, UINT8 *p_data, UINT16 len); 674 675 /******************************************************************************* 676 ** 677 ** Function BTA_AvProtectRsp 678 ** 679 ** Description Send a content protection response. This function must 680 ** be called if a BTA_AV_PROTECT_REQ_EVT is received. 681 ** This function can only be used if AV is enabled with 682 ** feature BTA_AV_FEAT_PROTECT. 683 ** 684 ** Returns void 685 ** 686 *******************************************************************************/ 687 BTA_API void BTA_AvProtectRsp(tBTA_AV_HNDL hndl, UINT8 error_code, UINT8 *p_data, 688 UINT16 len); 689 690 /******************************************************************************* 691 ** 692 ** Function BTA_AvRemoteCmd 693 ** 694 ** Description Send a remote control command. This function can only 695 ** be used if AV is enabled with feature BTA_AV_FEAT_RCCT. 696 ** 697 ** Returns void 698 ** 699 *******************************************************************************/ 700 BTA_API void BTA_AvRemoteCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_RC rc_id, 701 tBTA_AV_STATE key_state); 702 703 /******************************************************************************* 704 ** 705 ** Function BTA_AvVendorCmd 706 ** 707 ** Description Send a vendor dependent remote control command. This 708 ** function can only be used if AV is enabled with feature 709 ** BTA_AV_FEAT_VENDOR. 710 ** 711 ** Returns void 712 ** 713 *******************************************************************************/ 714 BTA_API void BTA_AvVendorCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE cmd_code, 715 UINT8 *p_data, UINT16 len); 716 717 /******************************************************************************* 718 ** 719 ** Function BTA_AvVendorRsp 720 ** 721 ** Description Send a vendor dependent remote control response. 722 ** This function must be called if a BTA_AV_VENDOR_CMD_EVT 723 ** is received. This function can only be used if AV is 724 ** enabled with feature BTA_AV_FEAT_VENDOR. 725 ** 726 ** Returns void 727 ** 728 *******************************************************************************/ 729 BTA_API void BTA_AvVendorRsp(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE rsp_code, 730 UINT8 *p_data, UINT16 len, UINT32 company_id); 731 732 733 /******************************************************************************* 734 ** 735 ** Function BTA_AvOpenRc 736 ** 737 ** Description Open an AVRCP connection toward the device with the 738 ** specified handle 739 ** 740 ** Returns void 741 ** 742 *******************************************************************************/ 743 BTA_API void BTA_AvOpenRc(tBTA_AV_HNDL handle); 744 745 /******************************************************************************* 746 ** 747 ** Function BTA_AvCloseRc 748 ** 749 ** Description Close an AVRCP connection 750 ** 751 ** Returns void 752 ** 753 *******************************************************************************/ 754 BTA_API void BTA_AvCloseRc(UINT8 rc_handle); 755 756 /******************************************************************************* 757 ** 758 ** Function BTA_AvMetaRsp 759 ** 760 ** Description Send a Metadata command/response. The message contained 761 ** in p_pkt can be composed with AVRC utility functions. 762 ** This function can only be used if AV is enabled with feature 763 ** BTA_AV_FEAT_METADATA. 764 ** 765 ** Returns void 766 ** 767 *******************************************************************************/ 768 BTA_API void BTA_AvMetaRsp(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE rsp_code, 769 BT_HDR *p_pkt); 770 771 /******************************************************************************* 772 ** 773 ** Function BTA_AvMetaCmd 774 ** 775 ** Description Send a Metadata/Advanced Control command. The message contained 776 ** in p_pkt can be composed with AVRC utility functions. 777 ** This function can only be used if AV is enabled with feature 778 ** BTA_AV_FEAT_METADATA. 779 ** This message is sent only when the peer supports the TG role. 780 *8 The only command makes sense right now is the absolute volume command. 781 ** 782 ** Returns void 783 ** 784 *******************************************************************************/ 785 BTA_API void BTA_AvMetaCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CMD cmd_code, BT_HDR *p_pkt); 786 787 #ifdef __cplusplus 788 } 789 #endif 790 791 #endif /* BTA_AV_API_H */ 792