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