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 52typedef 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 71typedef 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 */ 77typedef UINT8 tBTA_AV_CHNL; 78 79 80#define BTA_AV_HNDL_MSK 0x3F 81typedef 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 123typedef 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 191typedef 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 197typedef 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 206typedef 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 217typedef 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 226typedef 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 255typedef UINT8 tBTA_AV_EVT; 256 257/* Event associated with BTA_AV_ENABLE_EVT */ 258typedef struct 259{ 260 tBTA_AV_FEAT features; 261} tBTA_AV_ENABLE; 262 263/* Event associated with BTA_AV_REGISTER_EVT */ 264typedef 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 275typedef UINT8 tBTA_AV_EDR; 276 277typedef 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 */ 288typedef 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 */ 295typedef 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 */ 305typedef 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 */ 314typedef 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 */ 322typedef 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 */ 331typedef 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 */ 341typedef 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 */ 350typedef 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 */ 357typedef 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 */ 364typedef 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 */ 376typedef 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 */ 388typedef 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 */ 399typedef 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 */ 411typedef struct 412{ 413 BD_ADDR bd_addr; 414} tBTA_AV_PEND; 415 416/* data associated with BTA_AV_REJECT_EVT */ 417typedef 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 */ 425typedef 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 */ 466typedef void (tBTA_AV_CBACK)(tBTA_AV_EVT event, tBTA_AV *p_data); 467 468/* type for stream state machine action functions */ 469typedef void (*tBTA_AV_ACT)(void *p_cb, void *p_data); 470 471/* type for registering VDP */ 472typedef void (tBTA_AV_REG) (tAVDT_CS *p_cs, char *p_service_name, void *p_data); 473 474/* AV configuration structure */ 475typedef 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 501extern "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*******************************************************************************/ 522BTA_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*******************************************************************************/ 535BTA_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*******************************************************************************/ 550BTA_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*******************************************************************************/ 562BTA_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*******************************************************************************/ 575BTA_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*******************************************************************************/ 587BTA_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*******************************************************************************/ 598BTA_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*******************************************************************************/ 609BTA_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*******************************************************************************/ 622BTA_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*******************************************************************************/ 637BTA_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*******************************************************************************/ 650BTA_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*******************************************************************************/ 664BTA_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*******************************************************************************/ 677BTA_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*******************************************************************************/ 691BTA_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*******************************************************************************/ 706BTA_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*******************************************************************************/ 720BTA_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*******************************************************************************/ 731BTA_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*******************************************************************************/ 745BTA_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*******************************************************************************/ 762BTA_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