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 /* Max BTA event */ 253 #define BTA_AV_MAX_EVT 20 254 255 typedef UINT8 tBTA_AV_EVT; 256 257 /* Event associated with BTA_AV_ENABLE_EVT */ 258 typedef struct 259 { 260 tBTA_AV_FEAT features; 261 } tBTA_AV_ENABLE; 262 263 /* Event associated with BTA_AV_REGISTER_EVT */ 264 typedef struct 265 { 266 tBTA_AV_CHNL chnl; /* audio/video */ 267 tBTA_AV_HNDL hndl; /* Handle associated with the stream. */ 268 UINT8 app_id; /* ID associated with call to BTA_AvRegister() */ 269 tBTA_AV_STATUS status; 270 } tBTA_AV_REGISTER; 271 272 /* data associated with BTA_AV_OPEN_EVT */ 273 #define BTA_AV_EDR_2MBPS 0x01 274 #define BTA_AV_EDR_3MBPS 0x02 275 typedef UINT8 tBTA_AV_EDR; 276 277 typedef struct 278 { 279 tBTA_AV_CHNL chnl; 280 tBTA_AV_HNDL hndl; 281 BD_ADDR bd_addr; 282 tBTA_AV_STATUS status; 283 BOOLEAN starting; 284 tBTA_AV_EDR edr; /* 0, if peer device does not support EDR */ 285 } tBTA_AV_OPEN; 286 287 /* data associated with BTA_AV_CLOSE_EVT */ 288 typedef struct 289 { 290 tBTA_AV_CHNL chnl; 291 tBTA_AV_HNDL hndl; 292 } tBTA_AV_CLOSE; 293 294 /* data associated with BTA_AV_START_EVT */ 295 typedef struct 296 { 297 tBTA_AV_CHNL chnl; 298 tBTA_AV_HNDL hndl; 299 tBTA_AV_STATUS status; 300 BOOLEAN initiator; /* TRUE, if local device initiates the START */ 301 BOOLEAN suspending; 302 } tBTA_AV_START; 303 304 /* data associated with BTA_AV_SUSPEND_EVT */ 305 typedef struct 306 { 307 tBTA_AV_CHNL chnl; 308 tBTA_AV_HNDL hndl; 309 BOOLEAN initiator; /* TRUE, if local device initiates the SUSPEND */ 310 tBTA_AV_STATUS status; 311 } tBTA_AV_SUSPEND; 312 313 /* data associated with BTA_AV_RECONFIG_EVT */ 314 typedef struct 315 { 316 tBTA_AV_CHNL chnl; 317 tBTA_AV_HNDL hndl; 318 tBTA_AV_STATUS status; 319 } tBTA_AV_RECONFIG; 320 321 /* data associated with BTA_AV_PROTECT_REQ_EVT */ 322 typedef struct 323 { 324 tBTA_AV_CHNL chnl; 325 tBTA_AV_HNDL hndl; 326 UINT8 *p_data; 327 UINT16 len; 328 } tBTA_AV_PROTECT_REQ; 329 330 /* data associated with BTA_AV_PROTECT_RSP_EVT */ 331 typedef struct 332 { 333 tBTA_AV_CHNL chnl; 334 tBTA_AV_HNDL hndl; 335 UINT8 *p_data; 336 UINT16 len; 337 tBTA_AV_ERR err_code; 338 } tBTA_AV_PROTECT_RSP; 339 340 /* data associated with BTA_AV_RC_OPEN_EVT */ 341 typedef struct 342 { 343 UINT8 rc_handle; 344 tBTA_AV_FEAT peer_features; 345 BD_ADDR peer_addr; 346 tBTA_AV_STATUS status; 347 } tBTA_AV_RC_OPEN; 348 349 /* data associated with BTA_AV_RC_CLOSE_EVT */ 350 typedef struct 351 { 352 UINT8 rc_handle; 353 BD_ADDR peer_addr; 354 } tBTA_AV_RC_CLOSE; 355 356 /* data associated with BTA_AV_RC_FEAT_EVT */ 357 typedef struct 358 { 359 UINT8 rc_handle; 360 tBTA_AV_FEAT peer_features; 361 } tBTA_AV_RC_FEAT; 362 363 /* data associated with BTA_AV_REMOTE_CMD_EVT */ 364 typedef struct 365 { 366 UINT8 rc_handle; 367 tBTA_AV_RC rc_id; 368 tBTA_AV_STATE key_state; 369 UINT8 len; 370 UINT8 *p_data; 371 tAVRC_HDR hdr; /* Message header. */ 372 UINT8 label; 373 } tBTA_AV_REMOTE_CMD; 374 375 /* data associated with BTA_AV_REMOTE_RSP_EVT */ 376 typedef struct 377 { 378 UINT8 rc_handle; 379 tBTA_AV_RC rc_id; 380 tBTA_AV_STATE key_state; 381 UINT8 len; 382 UINT8 *p_data; 383 tBTA_AV_CODE rsp_code; 384 UINT8 label; 385 } tBTA_AV_REMOTE_RSP; 386 387 /* data associated with BTA_AV_VENDOR_CMD_EVT, BTA_AV_VENDOR_RSP_EVT */ 388 typedef struct 389 { 390 UINT8 rc_handle; 391 UINT16 len; /* Max vendor dependent message is 512 */ 392 UINT8 label; 393 tBTA_AV_CODE code; 394 UINT32 company_id; 395 UINT8 *p_data; 396 } tBTA_AV_VENDOR; 397 398 /* data associated with BTA_AV_META_MSG_EVT */ 399 typedef struct 400 { 401 UINT8 rc_handle; 402 UINT16 len; 403 UINT8 label; 404 tBTA_AV_CODE code; 405 UINT32 company_id; 406 UINT8 *p_data; 407 tAVRC_MSG *p_msg; 408 } tBTA_AV_META_MSG; 409 410 /* data associated with BTA_AV_PENDING_EVT */ 411 typedef struct 412 { 413 BD_ADDR bd_addr; 414 } tBTA_AV_PEND; 415 416 /* data associated with BTA_AV_REJECT_EVT */ 417 typedef struct 418 { 419 BD_ADDR bd_addr; 420 tBTA_AV_HNDL hndl; /* Handle associated with the stream that rejected the connection. */ 421 } tBTA_AV_REJECT; 422 423 424 /* union of data associated with AV callback */ 425 typedef union 426 { 427 tBTA_AV_CHNL chnl; 428 tBTA_AV_ENABLE enable; 429 tBTA_AV_REGISTER registr; 430 tBTA_AV_OPEN open; 431 tBTA_AV_CLOSE close; 432 tBTA_AV_START start; 433 tBTA_AV_PROTECT_REQ protect_req; 434 tBTA_AV_PROTECT_RSP protect_rsp; 435 tBTA_AV_RC_OPEN rc_open; 436 tBTA_AV_RC_CLOSE rc_close; 437 tBTA_AV_REMOTE_CMD remote_cmd; 438 tBTA_AV_REMOTE_RSP remote_rsp; 439 tBTA_AV_VENDOR vendor_cmd; 440 tBTA_AV_VENDOR vendor_rsp; 441 tBTA_AV_RECONFIG reconfig; 442 tBTA_AV_SUSPEND suspend; 443 tBTA_AV_PEND pend; 444 tBTA_AV_META_MSG meta_msg; 445 tBTA_AV_REJECT reject; 446 tBTA_AV_RC_FEAT rc_feat; 447 } tBTA_AV; 448 449 450 #define BTA_AVC_PACKET_LEN AVRC_PACKET_LEN 451 #define BTA_VENDOR_DATA_OFFSET 6 452 #define BTA_VENDOR_HEADER_LEN 4 453 #define BTA_MAX_VENDOR_DEPENDENT_DATA_LEN (BTA_AVC_PACKET_LEN-BTA_VENDOR_DATA_OFFSET-BTA_VENDOR_HEADER_LEN) 454 #define BTA_GROUP_NAVI_MSG_OP_DATA_LEN 5 455 456 #define BTA_ERROR_INVALID_CMD AVRC_STS_BAD_CMD 457 #define BTA_ERROR_INVALID_PARAM AVRC_STS_BAD_PARAM 458 #define BTA_ERROR_BAD_CONTENTS AVRC_STS_NOT_FOUND 459 #define BTA_ERROR_INTERNAL AVRC_STS_INTERNAL_ERR 460 461 #define BTA_AV_META_SINGLE_PACKET AVRC_PKT_SINGLE 462 463 #define BTA_AV_CO_METADATA AVRC_CO_METADATA 464 465 /* AV callback */ 466 typedef void (tBTA_AV_CBACK)(tBTA_AV_EVT event, tBTA_AV *p_data); 467 468 /* type for stream state machine action functions */ 469 typedef void (*tBTA_AV_ACT)(void *p_cb, void *p_data); 470 471 /* type for registering VDP */ 472 typedef void (tBTA_AV_REG) (tAVDT_CS *p_cs, char *p_service_name, void *p_data); 473 474 /* AV configuration structure */ 475 typedef struct 476 { 477 UINT32 company_id; /* AVRCP Company ID */ 478 UINT16 avrc_mtu; /* AVRCP MTU at L2CAP for control channel */ 479 UINT16 avrc_br_mtu; /* AVRCP MTU at L2CAP for browsing channel */ 480 UINT16 avrc_ct_cat; /* AVRCP controller categories */ 481 UINT16 avrc_tg_cat; /* AVRCP target categories */ 482 UINT16 sig_mtu; /* AVDTP signaling channel MTU at L2CAP */ 483 UINT16 audio_mtu; /* AVDTP audio transport channel MTU at L2CAP */ 484 const UINT16 *p_audio_flush_to;/* AVDTP audio transport channel flush timeout */ 485 UINT16 audio_mqs; /* AVDTP audio channel max data queue size */ 486 UINT16 video_mtu; /* AVDTP video transport channel MTU at L2CAP */ 487 UINT16 video_flush_to; /* AVDTP video transport channel flush timeout */ 488 BOOLEAN avrc_group; /* TRUE, to accept AVRC 1.3 group nevigation command */ 489 UINT8 num_co_ids; /* company id count in p_meta_co_ids */ 490 UINT8 num_evt_ids; /* event id count in p_meta_evt_ids */ 491 tBTA_AV_CODE rc_pass_rsp; /* the default response code for pass through commands */ 492 const UINT32 *p_meta_co_ids;/* the metadata Get Capabilities response for company id */ 493 const UINT8 *p_meta_evt_ids;/* the the metadata Get Capabilities response for event id */ 494 const tBTA_AV_ACT *p_act_tbl;/* the action function table for VDP stream */ 495 tBTA_AV_REG *p_reg; /* action function to register VDP */ 496 char avrc_controller_name[BTA_SERVICE_NAME_LEN]; /* Default AVRCP controller name */ 497 char avrc_target_name[BTA_SERVICE_NAME_LEN]; /* Default AVRCP target name*/ 498 } tBTA_AV_CFG; 499 500 #ifdef __cplusplus 501 extern "C" 502 { 503 #endif 504 505 /***************************************************************************** 506 ** External Function Declarations 507 *****************************************************************************/ 508 509 /******************************************************************************* 510 ** 511 ** Function BTA_AvEnable 512 ** 513 ** Description Enable the advanced audio/video service. When the enable 514 ** operation is complete the callback function will be 515 ** called with a BTA_AV_ENABLE_EVT. This function must 516 ** be called before other function in the AV API are 517 ** called. 518 ** 519 ** Returns void 520 ** 521 *******************************************************************************/ 522 BTA_API void BTA_AvEnable(tBTA_SEC sec_mask, tBTA_AV_FEAT features, 523 tBTA_AV_CBACK *p_cback); 524 525 /******************************************************************************* 526 ** 527 ** Function BTA_AvDisable 528 ** 529 ** Description Disable the advanced audio/video service. 530 ** 531 ** 532 ** Returns void 533 ** 534 *******************************************************************************/ 535 BTA_API void BTA_AvDisable(void); 536 537 /******************************************************************************* 538 ** 539 ** Function BTA_AvRegister 540 ** 541 ** Description Register the audio or video service to stack. When the 542 ** operation is complete the callback function will be 543 ** called with a BTA_AV_REGISTER_EVT. This function must 544 ** be called before AVDT stream is open. 545 ** 546 ** 547 ** Returns void 548 ** 549 *******************************************************************************/ 550 BTA_API void BTA_AvRegister(tBTA_AV_CHNL chnl, const char *p_service_name, 551 UINT8 app_id); 552 553 /******************************************************************************* 554 ** 555 ** Function BTA_AvDeregister 556 ** 557 ** Description Deregister the audio or video service 558 ** 559 ** Returns void 560 ** 561 *******************************************************************************/ 562 BTA_API void BTA_AvDeregister(tBTA_AV_HNDL hndl); 563 564 /******************************************************************************* 565 ** 566 ** Function BTA_AvOpen 567 ** 568 ** Description Opens an advanced audio/video connection to a peer device. 569 ** When connection is open callback function is called 570 ** with a BTA_AV_OPEN_EVT. 571 ** 572 ** Returns void 573 ** 574 *******************************************************************************/ 575 BTA_API void BTA_AvOpen(BD_ADDR bd_addr, tBTA_AV_HNDL handle, 576 BOOLEAN use_rc, tBTA_SEC sec_mask); 577 578 /******************************************************************************* 579 ** 580 ** Function BTA_AvClose 581 ** 582 ** Description Close the current streams. 583 ** 584 ** Returns void 585 ** 586 *******************************************************************************/ 587 BTA_API void BTA_AvClose(tBTA_AV_HNDL handle); 588 589 /******************************************************************************* 590 ** 591 ** Function BTA_AvDisconnect 592 ** 593 ** Description Close the connection to the address. 594 ** 595 ** Returns void 596 ** 597 *******************************************************************************/ 598 BTA_API void BTA_AvDisconnect(BD_ADDR bd_addr); 599 600 /******************************************************************************* 601 ** 602 ** Function BTA_AvStart 603 ** 604 ** Description Start audio/video stream data transfer. 605 ** 606 ** Returns void 607 ** 608 *******************************************************************************/ 609 BTA_API void BTA_AvStart(void); 610 611 /******************************************************************************* 612 ** 613 ** Function BTA_AvStop 614 ** 615 ** Description Stop audio/video stream data transfer. 616 ** If suspend is TRUE, this function sends AVDT suspend signal 617 ** to the connected peer(s). 618 ** 619 ** Returns void 620 ** 621 *******************************************************************************/ 622 BTA_API void BTA_AvStop(BOOLEAN suspend); 623 624 /******************************************************************************* 625 ** 626 ** Function BTA_AvReconfig 627 ** 628 ** Description Reconfigure the audio/video stream. 629 ** If suspend is TRUE, this function tries the suspend/reconfigure 630 ** procedure first. 631 ** If suspend is FALSE or when suspend/reconfigure fails, 632 ** this function closes and re-opens the AVDT connection. 633 ** 634 ** Returns void 635 ** 636 *******************************************************************************/ 637 BTA_API void BTA_AvReconfig(tBTA_AV_HNDL hndl, BOOLEAN suspend, UINT8 sep_info_idx, 638 UINT8 *p_codec_info, UINT8 num_protect, UINT8 *p_protect_info); 639 640 /******************************************************************************* 641 ** 642 ** Function BTA_AvProtectReq 643 ** 644 ** Description Send a content protection request. This function can only 645 ** be used if AV is enabled with feature BTA_AV_FEAT_PROTECT. 646 ** 647 ** Returns void 648 ** 649 *******************************************************************************/ 650 BTA_API void BTA_AvProtectReq(tBTA_AV_HNDL hndl, UINT8 *p_data, UINT16 len); 651 652 /******************************************************************************* 653 ** 654 ** Function BTA_AvProtectRsp 655 ** 656 ** Description Send a content protection response. This function must 657 ** be called if a BTA_AV_PROTECT_REQ_EVT is received. 658 ** This function can only be used if AV is enabled with 659 ** feature BTA_AV_FEAT_PROTECT. 660 ** 661 ** Returns void 662 ** 663 *******************************************************************************/ 664 BTA_API void BTA_AvProtectRsp(tBTA_AV_HNDL hndl, UINT8 error_code, UINT8 *p_data, 665 UINT16 len); 666 667 /******************************************************************************* 668 ** 669 ** Function BTA_AvRemoteCmd 670 ** 671 ** Description Send a remote control command. This function can only 672 ** be used if AV is enabled with feature BTA_AV_FEAT_RCCT. 673 ** 674 ** Returns void 675 ** 676 *******************************************************************************/ 677 BTA_API void BTA_AvRemoteCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_RC rc_id, 678 tBTA_AV_STATE key_state); 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 BTA_API void BTA_AvVendorCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE cmd_code, 692 UINT8 *p_data, UINT16 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 BTA_API void BTA_AvVendorRsp(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE rsp_code, 707 UINT8 *p_data, UINT16 len, UINT32 company_id); 708 709 710 /******************************************************************************* 711 ** 712 ** Function BTA_AvOpenRc 713 ** 714 ** Description Open an AVRCP connection toward the device with the 715 ** specified handle 716 ** 717 ** Returns void 718 ** 719 *******************************************************************************/ 720 BTA_API void BTA_AvOpenRc(tBTA_AV_HNDL handle); 721 722 /******************************************************************************* 723 ** 724 ** Function BTA_AvCloseRc 725 ** 726 ** Description Close an AVRCP connection 727 ** 728 ** Returns void 729 ** 730 *******************************************************************************/ 731 BTA_API void BTA_AvCloseRc(UINT8 rc_handle); 732 733 /******************************************************************************* 734 ** 735 ** Function BTA_AvMetaRsp 736 ** 737 ** Description Send a Metadata command/response. The message contained 738 ** in p_pkt can be composed with AVRC utility functions. 739 ** This function can only be used if AV is enabled with feature 740 ** BTA_AV_FEAT_METADATA. 741 ** 742 ** Returns void 743 ** 744 *******************************************************************************/ 745 BTA_API void BTA_AvMetaRsp(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE rsp_code, 746 BT_HDR *p_pkt); 747 748 /******************************************************************************* 749 ** 750 ** Function BTA_AvMetaCmd 751 ** 752 ** Description Send a Metadata/Advanced Control command. The message 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 role. 757 *8 The only command makes sense right now is the absolute volume command. 758 ** 759 ** Returns void 760 ** 761 *******************************************************************************/ 762 BTA_API void BTA_AvMetaCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CMD cmd_code, BT_HDR *p_pkt); 763 764 #ifdef __cplusplus 765 } 766 #endif 767 768 #endif /* BTA_AV_API_H */ 769