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 private interface file for the BTA advanced audio/video. 22 * 23 ******************************************************************************/ 24 #ifndef BTA_AV_INT_H 25 #define BTA_AV_INT_H 26 27 #include "bta_sys.h" 28 #include "bta_api.h" 29 #include "bta_av_api.h" 30 #include "avdt_api.h" 31 #include "bta_av_co.h" 32 #include "list.h" 33 34 #define BTA_AV_DEBUG TRUE 35 /***************************************************************************** 36 ** Constants 37 *****************************************************************************/ 38 39 enum 40 { 41 /* these events are handled by the AV main state machine */ 42 BTA_AV_API_DISABLE_EVT = BTA_SYS_EVT_START(BTA_ID_AV), 43 BTA_AV_API_REMOTE_CMD_EVT, 44 BTA_AV_API_VENDOR_CMD_EVT, 45 BTA_AV_API_VENDOR_RSP_EVT, 46 BTA_AV_API_META_RSP_EVT, 47 BTA_AV_API_RC_CLOSE_EVT, 48 BTA_AV_AVRC_OPEN_EVT, 49 BTA_AV_AVRC_MSG_EVT, 50 BTA_AV_AVRC_NONE_EVT, 51 52 /* these events are handled by the AV stream state machine */ 53 BTA_AV_API_OPEN_EVT, 54 BTA_AV_API_CLOSE_EVT, 55 BTA_AV_AP_START_EVT, /* the following 2 events must be in the same order as the *API_*EVT */ 56 BTA_AV_AP_STOP_EVT, 57 BTA_AV_API_RECONFIG_EVT, 58 BTA_AV_API_PROTECT_REQ_EVT, 59 BTA_AV_API_PROTECT_RSP_EVT, 60 BTA_AV_API_RC_OPEN_EVT, 61 BTA_AV_SRC_DATA_READY_EVT, 62 BTA_AV_CI_SETCONFIG_OK_EVT, 63 BTA_AV_CI_SETCONFIG_FAIL_EVT, 64 BTA_AV_SDP_DISC_OK_EVT, 65 BTA_AV_SDP_DISC_FAIL_EVT, 66 BTA_AV_STR_DISC_OK_EVT, 67 BTA_AV_STR_DISC_FAIL_EVT, 68 BTA_AV_STR_GETCAP_OK_EVT, 69 BTA_AV_STR_GETCAP_FAIL_EVT, 70 BTA_AV_STR_OPEN_OK_EVT, 71 BTA_AV_STR_OPEN_FAIL_EVT, 72 BTA_AV_STR_START_OK_EVT, 73 BTA_AV_STR_START_FAIL_EVT, 74 BTA_AV_STR_CLOSE_EVT, 75 BTA_AV_STR_CONFIG_IND_EVT, 76 BTA_AV_STR_SECURITY_IND_EVT, 77 BTA_AV_STR_SECURITY_CFM_EVT, 78 BTA_AV_STR_WRITE_CFM_EVT, 79 BTA_AV_STR_SUSPEND_CFM_EVT, 80 BTA_AV_STR_RECONFIG_CFM_EVT, 81 BTA_AV_AVRC_TIMER_EVT, 82 BTA_AV_AVDT_CONNECT_EVT, 83 BTA_AV_AVDT_DISCONNECT_EVT, 84 BTA_AV_ROLE_CHANGE_EVT, 85 BTA_AV_AVDT_DELAY_RPT_EVT, 86 BTA_AV_ACP_CONNECT_EVT, 87 88 /* these events are handled outside of the state machine */ 89 BTA_AV_API_ENABLE_EVT, 90 BTA_AV_API_REGISTER_EVT, 91 BTA_AV_API_DEREGISTER_EVT, 92 BTA_AV_API_DISCONNECT_EVT, 93 BTA_AV_CI_SRC_DATA_READY_EVT, 94 BTA_AV_SIG_CHG_EVT, 95 BTA_AV_SIG_TIMER_EVT, 96 BTA_AV_SDP_AVRC_DISC_EVT, 97 BTA_AV_AVRC_CLOSE_EVT, 98 BTA_AV_CONN_CHG_EVT, 99 BTA_AV_DEREG_COMP_EVT, 100 #if (BTA_AV_SINK_INCLUDED == TRUE) 101 BTA_AV_API_SINK_ENABLE_EVT, 102 #endif 103 #if (AVDT_REPORTING == TRUE) 104 BTA_AV_AVDT_RPT_CONN_EVT, 105 #endif 106 BTA_AV_API_START_EVT, /* the following 2 events must be in the same order as the *AP_*EVT */ 107 BTA_AV_API_STOP_EVT 108 }; 109 110 /* events for AV control block state machine */ 111 #define BTA_AV_FIRST_SM_EVT BTA_AV_API_DISABLE_EVT 112 #define BTA_AV_LAST_SM_EVT BTA_AV_AVRC_NONE_EVT 113 114 /* events for AV stream control block state machine */ 115 #define BTA_AV_FIRST_SSM_EVT BTA_AV_API_OPEN_EVT 116 117 /* events that do not go through state machine */ 118 #define BTA_AV_FIRST_NSM_EVT BTA_AV_API_ENABLE_EVT 119 #define BTA_AV_LAST_NSM_EVT BTA_AV_API_STOP_EVT 120 121 /* API events passed to both SSMs (by bta_av_api_to_ssm) */ 122 #define BTA_AV_FIRST_A2S_API_EVT BTA_AV_API_START_EVT 123 #define BTA_AV_FIRST_A2S_SSM_EVT BTA_AV_AP_START_EVT 124 125 #define BTA_AV_LAST_EVT BTA_AV_API_STOP_EVT 126 127 /* maximum number of SEPS in stream discovery results */ 128 #define BTA_AV_NUM_SEPS 32 129 130 /* initialization value for AVRC handle */ 131 #define BTA_AV_RC_HANDLE_NONE 0xFF 132 133 /* size of database for service discovery */ 134 #define BTA_AV_DISC_BUF_SIZE 1000 135 136 /* offset of media type in codec info byte array */ 137 #define BTA_AV_MEDIA_TYPE_IDX 1 138 139 /* maximum length of AVDTP security data */ 140 #define BTA_AV_SECURITY_MAX_LEN 400 141 142 /* check number of buffers queued at L2CAP when this amount of buffers are queued to L2CAP */ 143 #define BTA_AV_QUEUE_DATA_CHK_NUM L2CAP_HIGH_PRI_MIN_XMIT_QUOTA 144 145 /* the number of ACL links with AVDT */ 146 #define BTA_AV_NUM_LINKS AVDT_NUM_LINKS 147 148 #define BTA_AV_CO_ID_TO_BE_STREAM(p, u32) {*(p)++ = (UINT8)((u32) >> 16); *(p)++ = (UINT8)((u32) >> 8); *(p)++ = (UINT8)(u32); } 149 #define BTA_AV_BE_STREAM_TO_CO_ID(u32, p) {u32 = (((UINT32)(*((p) + 2))) + (((UINT32)(*((p) + 1))) << 8) + (((UINT32)(*(p))) << 16)); (p) += 3;} 150 151 /* these bits are defined for bta_av_cb.multi_av */ 152 #define BTA_AV_MULTI_AV_SUPPORTED 0x01 153 #define BTA_AV_MULTI_AV_IN_USE 0x02 154 155 156 /***************************************************************************** 157 ** Data types 158 *****************************************************************************/ 159 160 /* function types for call-out functions */ 161 typedef BOOLEAN (*tBTA_AV_CO_INIT) (UINT8 *p_codec_type, UINT8 *p_codec_info, 162 UINT8 *p_num_protect, UINT8 *p_protect_info, UINT8 index); 163 typedef void (*tBTA_AV_CO_DISC_RES) (tBTA_AV_HNDL hndl, UINT8 num_seps, 164 UINT8 num_snk, UINT8 num_src, BD_ADDR addr, UINT16 uuid_local); 165 typedef UINT8 (*tBTA_AV_CO_GETCFG) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type, 166 UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid, 167 UINT8 *p_num_protect, UINT8 *p_protect_info); 168 typedef void (*tBTA_AV_CO_SETCFG) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type, 169 UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr, 170 UINT8 num_protect, UINT8 *p_protect_info, 171 UINT8 t_local_sep, UINT8 avdt_handle); 172 typedef void (*tBTA_AV_CO_OPEN) (tBTA_AV_HNDL hndl, 173 tBTA_AV_CODEC codec_type, UINT8 *p_codec_info, 174 UINT16 mtu); 175 typedef void (*tBTA_AV_CO_CLOSE) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type, UINT16 mtu); 176 typedef void (*tBTA_AV_CO_START) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr); 177 typedef void (*tBTA_AV_CO_STOP) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type); 178 typedef void * (*tBTA_AV_CO_DATAPATH) (tBTA_AV_CODEC codec_type, 179 UINT32 *p_len, UINT32 *p_timestamp); 180 typedef void (*tBTA_AV_CO_DELAY) (tBTA_AV_HNDL hndl, UINT16 delay); 181 182 /* the call-out functions for one stream */ 183 typedef struct 184 { 185 tBTA_AV_CO_INIT init; 186 tBTA_AV_CO_DISC_RES disc_res; 187 tBTA_AV_CO_GETCFG getcfg; 188 tBTA_AV_CO_SETCFG setcfg; 189 tBTA_AV_CO_OPEN open; 190 tBTA_AV_CO_CLOSE close; 191 tBTA_AV_CO_START start; 192 tBTA_AV_CO_STOP stop; 193 tBTA_AV_CO_DATAPATH data; 194 tBTA_AV_CO_DELAY delay; 195 } tBTA_AV_CO_FUNCTS; 196 197 /* data type for BTA_AV_API_ENABLE_EVT */ 198 typedef struct 199 { 200 BT_HDR hdr; 201 tBTA_AV_CBACK *p_cback; 202 tBTA_AV_FEAT features; 203 tBTA_SEC sec_mask; 204 } tBTA_AV_API_ENABLE; 205 206 /* data type for BTA_AV_API_REG_EVT */ 207 typedef struct 208 { 209 BT_HDR hdr; 210 char p_service_name[BTA_SERVICE_NAME_LEN+1]; 211 UINT8 app_id; 212 tBTA_AV_DATA_CBACK *p_app_data_cback; 213 } tBTA_AV_API_REG; 214 215 216 enum 217 { 218 BTA_AV_RS_NONE, /* straight API call */ 219 BTA_AV_RS_OK, /* the role switch result - successful */ 220 BTA_AV_RS_FAIL, /* the role switch result - failed */ 221 BTA_AV_RS_DONE /* the role switch is done - continue */ 222 }; 223 typedef UINT8 tBTA_AV_RS_RES; 224 /* data type for BTA_AV_API_OPEN_EVT */ 225 typedef struct 226 { 227 BT_HDR hdr; 228 BD_ADDR bd_addr; 229 BOOLEAN use_rc; 230 tBTA_SEC sec_mask; 231 tBTA_AV_RS_RES switch_res; 232 UINT16 uuid; /* uuid of initiator */ 233 } tBTA_AV_API_OPEN; 234 235 /* data type for BTA_AV_API_STOP_EVT */ 236 typedef struct 237 { 238 BT_HDR hdr; 239 BOOLEAN suspend; 240 BOOLEAN flush; 241 } tBTA_AV_API_STOP; 242 243 /* data type for BTA_AV_API_DISCONNECT_EVT */ 244 typedef struct 245 { 246 BT_HDR hdr; 247 BD_ADDR bd_addr; 248 } tBTA_AV_API_DISCNT; 249 250 /* data type for BTA_AV_API_PROTECT_REQ_EVT */ 251 typedef struct 252 { 253 BT_HDR hdr; 254 UINT8 *p_data; 255 UINT16 len; 256 } tBTA_AV_API_PROTECT_REQ; 257 258 /* data type for BTA_AV_API_PROTECT_RSP_EVT */ 259 typedef struct 260 { 261 BT_HDR hdr; 262 UINT8 *p_data; 263 UINT16 len; 264 UINT8 error_code; 265 } tBTA_AV_API_PROTECT_RSP; 266 267 /* data type for BTA_AV_API_REMOTE_CMD_EVT */ 268 typedef struct 269 { 270 BT_HDR hdr; 271 tAVRC_MSG_PASS msg; 272 UINT8 label; 273 } tBTA_AV_API_REMOTE_CMD; 274 275 /* data type for BTA_AV_API_VENDOR_CMD_EVT and RSP */ 276 typedef struct 277 { 278 BT_HDR hdr; 279 tAVRC_MSG_VENDOR msg; 280 UINT8 label; 281 } tBTA_AV_API_VENDOR; 282 283 /* data type for BTA_AV_API_RC_OPEN_EVT */ 284 typedef struct 285 { 286 BT_HDR hdr; 287 } tBTA_AV_API_OPEN_RC; 288 289 /* data type for BTA_AV_API_RC_CLOSE_EVT */ 290 typedef struct 291 { 292 BT_HDR hdr; 293 } tBTA_AV_API_CLOSE_RC; 294 295 /* data type for BTA_AV_API_META_RSP_EVT */ 296 typedef struct 297 { 298 BT_HDR hdr; 299 BOOLEAN is_rsp; 300 UINT8 label; 301 tBTA_AV_CODE rsp_code; 302 BT_HDR *p_pkt; 303 } tBTA_AV_API_META_RSP; 304 305 306 /* data type for BTA_AV_API_RECONFIG_EVT */ 307 typedef struct 308 { 309 BT_HDR hdr; 310 UINT8 codec_info[AVDT_CODEC_SIZE]; /* codec configuration */ 311 UINT8 *p_protect_info; 312 UINT8 num_protect; 313 BOOLEAN suspend; 314 UINT8 sep_info_idx; 315 } tBTA_AV_API_RCFG; 316 317 /* data type for BTA_AV_CI_SETCONFIG_OK_EVT and BTA_AV_CI_SETCONFIG_FAIL_EVT */ 318 typedef struct 319 { 320 BT_HDR hdr; 321 tBTA_AV_HNDL hndl; 322 UINT8 err_code; 323 UINT8 category; 324 UINT8 num_seid; 325 UINT8 *p_seid; 326 BOOLEAN recfg_needed; 327 UINT8 avdt_handle; /* local sep type for which this stream will be set up */ 328 } tBTA_AV_CI_SETCONFIG; 329 330 /* data type for all stream events from AVDTP */ 331 typedef struct { 332 BT_HDR hdr; 333 tAVDT_CFG cfg; /* configuration/capabilities parameters */ 334 tAVDT_CTRL msg; /* AVDTP callback message parameters */ 335 BD_ADDR bd_addr; /* bd address */ 336 UINT8 handle; 337 UINT8 avdt_event; 338 BOOLEAN initiator; /* TRUE, if local device initiates the SUSPEND */ 339 } tBTA_AV_STR_MSG; 340 341 /* data type for BTA_AV_AVRC_MSG_EVT */ 342 typedef struct 343 { 344 BT_HDR hdr; 345 tAVRC_MSG msg; 346 UINT8 handle; 347 UINT8 label; 348 UINT8 opcode; 349 } tBTA_AV_RC_MSG; 350 351 /* data type for BTA_AV_AVRC_OPEN_EVT, BTA_AV_AVRC_CLOSE_EVT */ 352 typedef struct 353 { 354 BT_HDR hdr; 355 BD_ADDR peer_addr; 356 UINT8 handle; 357 } tBTA_AV_RC_CONN_CHG; 358 359 /* data type for BTA_AV_CONN_CHG_EVT */ 360 typedef struct 361 { 362 BT_HDR hdr; 363 BD_ADDR peer_addr; 364 BOOLEAN is_up; 365 } tBTA_AV_CONN_CHG; 366 367 /* data type for BTA_AV_ROLE_CHANGE_EVT */ 368 typedef struct 369 { 370 BT_HDR hdr; 371 UINT8 new_role; 372 UINT8 hci_status; 373 } tBTA_AV_ROLE_RES; 374 375 /* data type for BTA_AV_SDP_DISC_OK_EVT */ 376 typedef struct 377 { 378 BT_HDR hdr; 379 UINT16 avdt_version; /* AVDTP protocol version */ 380 } tBTA_AV_SDP_RES; 381 382 /* type for SEP control block */ 383 typedef struct 384 { 385 UINT8 av_handle; /* AVDTP handle */ 386 tBTA_AV_CODEC codec_type; /* codec type */ 387 UINT8 tsep; /* SEP type of local SEP */ 388 tBTA_AV_DATA_CBACK *p_app_data_cback; /* Application callback for media packets */ 389 } tBTA_AV_SEP; 390 391 392 /* initiator/acceptor role for adaption */ 393 #define BTA_AV_ROLE_AD_INT 0x00 /* initiator */ 394 #define BTA_AV_ROLE_AD_ACP 0x01 /* acceptor */ 395 396 /* initiator/acceptor signaling roles */ 397 #define BTA_AV_ROLE_START_ACP 0x00 398 #define BTA_AV_ROLE_START_INT 0x10 /* do not change this value */ 399 400 #define BTA_AV_ROLE_SUSPEND 0x20 /* suspending on start */ 401 #define BTA_AV_ROLE_SUSPEND_OPT 0x40 /* Suspend on Start option is set */ 402 403 /* union of all event datatypes */ 404 typedef union 405 { 406 BT_HDR hdr; 407 tBTA_AV_API_ENABLE api_enable; 408 tBTA_AV_API_REG api_reg; 409 tBTA_AV_API_OPEN api_open; 410 tBTA_AV_API_STOP api_stop; 411 tBTA_AV_API_DISCNT api_discnt; 412 tBTA_AV_API_PROTECT_REQ api_protect_req; 413 tBTA_AV_API_PROTECT_RSP api_protect_rsp; 414 tBTA_AV_API_REMOTE_CMD api_remote_cmd; 415 tBTA_AV_API_VENDOR api_vendor; 416 tBTA_AV_API_RCFG api_reconfig; 417 tBTA_AV_CI_SETCONFIG ci_setconfig; 418 tBTA_AV_STR_MSG str_msg; 419 tBTA_AV_RC_MSG rc_msg; 420 tBTA_AV_RC_CONN_CHG rc_conn_chg; 421 tBTA_AV_CONN_CHG conn_chg; 422 tBTA_AV_ROLE_RES role_res; 423 tBTA_AV_SDP_RES sdp_res; 424 tBTA_AV_API_META_RSP api_meta_rsp; 425 } tBTA_AV_DATA; 426 427 typedef void (tBTA_AV_VDP_DATA_ACT)(void *p_scb); 428 429 typedef struct 430 { 431 tBTA_AV_VDP_DATA_ACT *p_act; 432 UINT8 *p_frame; 433 UINT16 buf_size; 434 UINT32 len; 435 UINT32 offset; 436 UINT32 timestamp; 437 } tBTA_AV_VF_INFO; 438 439 typedef union 440 { 441 tBTA_AV_VF_INFO vdp; /* used for video channels only */ 442 tBTA_AV_API_OPEN open; /* used only before open and role switch 443 is needed on another AV channel */ 444 } tBTA_AV_Q_INFO; 445 446 #define BTA_AV_Q_TAG_OPEN 0x01 /* after API_OPEN, before STR_OPENED */ 447 #define BTA_AV_Q_TAG_START 0x02 /* before start sending media packets */ 448 #define BTA_AV_Q_TAG_STREAM 0x03 /* during streaming */ 449 450 #define BTA_AV_WAIT_ACP_CAPS_ON 0x01 /* retriving the peer capabilities */ 451 #define BTA_AV_WAIT_ACP_CAPS_STARTED 0x02 /* started while retriving peer capabilities */ 452 #define BTA_AV_WAIT_ROLE_SW_RES_OPEN 0x04 /* waiting for role switch result after API_OPEN, before STR_OPENED */ 453 #define BTA_AV_WAIT_ROLE_SW_RES_START 0x08 /* waiting for role switch result before streaming */ 454 #define BTA_AV_WAIT_ROLE_SW_STARTED 0x10 /* started while waiting for role switch result */ 455 #define BTA_AV_WAIT_ROLE_SW_RETRY 0x20 /* set when retry on timeout */ 456 #define BTA_AV_WAIT_CHECK_RC 0x40 /* set when the timer is used by role switch */ 457 #define BTA_AV_WAIT_ROLE_SW_FAILED 0x80 /* role switch failed */ 458 459 #define BTA_AV_WAIT_ROLE_SW_BITS (BTA_AV_WAIT_ROLE_SW_RES_OPEN|BTA_AV_WAIT_ROLE_SW_RES_START|BTA_AV_WAIT_ROLE_SW_STARTED|BTA_AV_WAIT_ROLE_SW_RETRY) 460 461 /* Bitmap for collision, coll_mask */ 462 #define BTA_AV_COLL_INC_TMR 0x01 /* Timer is running for incoming L2C connection */ 463 #define BTA_AV_COLL_API_CALLED 0x02 /* API open was called while incoming timer is running */ 464 465 /* type for AV stream control block */ 466 typedef struct 467 { 468 const tBTA_AV_ACT *p_act_tbl; /* the action table for stream state machine */ 469 const tBTA_AV_CO_FUNCTS *p_cos; /* the associated callout functions */ 470 tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */ 471 tBTA_AV_SEP seps[BTA_AV_MAX_SEPS]; 472 tAVDT_CFG *p_cap; /* buffer used for get capabilities */ 473 list_t *a2d_list; /* used for audio channels only */ 474 tBTA_AV_Q_INFO q_info; 475 tAVDT_SEP_INFO sep_info[BTA_AV_NUM_SEPS]; /* stream discovery results */ 476 tAVDT_CFG cfg; /* local SEP configuration */ 477 TIMER_LIST_ENT timer; /* delay timer for AVRC CT */ 478 BD_ADDR peer_addr; /* peer BD address */ 479 UINT16 l2c_cid; /* L2CAP channel ID */ 480 UINT16 stream_mtu; /* MTU of stream */ 481 UINT16 avdt_version; /* the avdt version of peer device */ 482 tBTA_SEC sec_mask; /* security mask */ 483 tBTA_AV_CODEC codec_type; /* codec type */ 484 UINT8 media_type; /* Media type */ 485 BOOLEAN cong; /* TRUE if AVDTP congested */ 486 tBTA_AV_STATUS open_status; /* open failure status */ 487 tBTA_AV_CHNL chnl; /* the channel: audio/video */ 488 tBTA_AV_HNDL hndl; /* the handle: ((hdi + 1)|chnl) */ 489 UINT16 cur_psc_mask; /* Protocol service capabilities mask for current connection */ 490 UINT8 avdt_handle; /* AVDTP handle */ 491 UINT8 hdi; /* the index to SCB[] */ 492 UINT8 num_seps; /* number of seps returned by stream discovery */ 493 UINT8 num_disc_snks; /* number of discovered snks */ 494 UINT8 num_disc_srcs; /* number of discovered srcs */ 495 UINT8 sep_info_idx; /* current index into sep_info */ 496 UINT8 sep_idx; /* current index into local seps[] */ 497 UINT8 rcfg_idx; /* reconfig requested index into sep_info */ 498 UINT8 state; /* state machine state */ 499 UINT8 avdt_label; /* AVDTP label */ 500 UINT8 app_id; /* application id */ 501 UINT8 num_recfg; /* number of reconfigure sent */ 502 UINT8 role; 503 UINT8 l2c_bufs; /* the number of buffers queued to L2CAP */ 504 UINT8 rc_handle; /* connected AVRCP handle */ 505 BOOLEAN use_rc; /* TRUE if AVRCP is allowed */ 506 BOOLEAN started; /* TRUE if stream started */ 507 UINT8 co_started; /* non-zero, if stream started from call-out perspective */ 508 BOOLEAN recfg_sup; /* TRUE if the first attempt to reconfigure the stream was successfull, else False if command fails */ 509 BOOLEAN suspend_sup; /* TRUE if Suspend stream is supported, else FALSE if suspend command fails */ 510 BOOLEAN deregistring; /* TRUE if deregistering */ 511 BOOLEAN sco_suspend; /* TRUE if SUSPEND is issued automatically for SCO */ 512 UINT8 coll_mask; /* Mask to check incoming and outgoing collision */ 513 tBTA_AV_API_OPEN open_api; /* Saved OPEN api message */ 514 UINT8 wait; /* set 0x1, when getting Caps as ACP, set 0x2, when started */ 515 UINT8 q_tag; /* identify the associated q_info union member */ 516 BOOLEAN no_rtp_hdr; /* TRUE if add no RTP header*/ 517 UINT16 uuid_int; /*intended UUID of Initiator to connect to */ 518 } tBTA_AV_SCB; 519 520 #define BTA_AV_RC_ROLE_MASK 0x10 521 #define BTA_AV_RC_ROLE_INT 0x00 522 #define BTA_AV_RC_ROLE_ACP 0x10 523 524 #define BTA_AV_RC_CONN_MASK 0x20 525 526 /* type for AV RCP control block */ 527 /* index to this control block is the rc handle */ 528 typedef struct 529 { 530 UINT8 status; 531 UINT8 handle; 532 UINT8 shdl; /* stream handle (hdi + 1) */ 533 UINT8 lidx; /* (index+1) to LCB */ 534 tBTA_AV_FEAT peer_features; /* peer features mask */ 535 } tBTA_AV_RCB; 536 #define BTA_AV_NUM_RCB (BTA_AV_NUM_STRS + 2) 537 538 enum 539 { 540 BTA_AV_LCB_FREE, 541 BTA_AV_LCB_FIND 542 }; 543 544 /* type for AV ACL Link control block */ 545 typedef struct 546 { 547 BD_ADDR addr; /* peer BD address */ 548 UINT8 conn_msk; /* handle mask of connected stream handle */ 549 UINT8 lidx; /* index + 1 */ 550 } tBTA_AV_LCB; 551 552 /* type for stream state machine action functions */ 553 typedef void (*tBTA_AV_SACT)(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 554 555 556 /* type for AV control block */ 557 typedef struct 558 { 559 tBTA_AV_SCB *p_scb[BTA_AV_NUM_STRS]; /* stream control block */ 560 tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */ 561 tBTA_AV_CBACK *p_cback; /* application callback function */ 562 tBTA_AV_RCB rcb[BTA_AV_NUM_RCB]; /* RCB control block */ 563 tBTA_AV_LCB lcb[BTA_AV_NUM_LINKS+1]; /* link control block */ 564 TIMER_LIST_ENT sig_tmr; /* link timer */ 565 TIMER_LIST_ENT acp_sig_tmr; /* timer to monitor signalling when accepting */ 566 UINT32 sdp_a2d_handle; /* SDP record handle for audio src */ 567 #if (BTA_AV_SINK_INCLUDED == TRUE) 568 UINT32 sdp_a2d_snk_handle; /* SDP record handle for audio snk */ 569 #endif 570 UINT32 sdp_vdp_handle; /* SDP record handle for video src */ 571 tBTA_AV_FEAT features; /* features mask */ 572 tBTA_SEC sec_mask; /* security mask */ 573 tBTA_AV_HNDL handle; /* the handle for SDP activity */ 574 BOOLEAN disabling; /* TRUE if api disabled called */ 575 UINT8 disc; /* (hdi+1) or (rc_handle|BTA_AV_CHNL_MSK) if p_disc_db is in use */ 576 UINT8 state; /* state machine state */ 577 UINT8 conn_rc; /* handle mask of connected RCP channels */ 578 UINT8 conn_audio; /* handle mask of connected audio channels */ 579 UINT8 conn_video; /* handle mask of connected video channels */ 580 UINT8 conn_lcb; /* index mask of used LCBs */ 581 UINT8 audio_open_cnt; /* number of connected audio channels */ 582 UINT8 reg_audio; /* handle mask of registered audio channels */ 583 UINT8 reg_video; /* handle mask of registered video channels */ 584 UINT8 rc_acp_handle; 585 UINT8 rc_acp_idx; /* (index + 1) to RCB */ 586 UINT8 rs_idx; /* (index + 1) to SCB for the one waiting for RS on open */ 587 BOOLEAN sco_occupied; /* TRUE if SCO is being used or call is in progress */ 588 UINT8 audio_streams; /* handle mask of streaming audio channels */ 589 UINT8 video_streams; /* handle mask of streaming video channels */ 590 } tBTA_AV_CB; 591 592 593 594 /***************************************************************************** 595 ** Global data 596 *****************************************************************************/ 597 598 /* control block declaration */ 599 #if BTA_DYNAMIC_MEMORY == FALSE 600 extern tBTA_AV_CB bta_av_cb; 601 #else 602 extern tBTA_AV_CB *bta_av_cb_ptr; 603 #define bta_av_cb (*bta_av_cb_ptr) 604 #endif 605 606 /* config struct */ 607 extern tBTA_AV_CFG *p_bta_av_cfg; 608 609 /* rc id config struct */ 610 extern UINT16 *p_bta_av_rc_id; 611 extern UINT16 *p_bta_av_rc_id_ac; 612 613 extern const tBTA_AV_SACT bta_av_a2d_action[]; 614 extern const tBTA_AV_CO_FUNCTS bta_av_a2d_cos; 615 extern const tBTA_AV_SACT bta_av_vdp_action[]; 616 extern tAVDT_CTRL_CBACK * const bta_av_dt_cback[]; 617 extern void bta_av_stream_data_cback(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, UINT8 m_pt); 618 619 /***************************************************************************** 620 ** Function prototypes 621 *****************************************************************************/ 622 /* utility functions */ 623 extern tBTA_AV_SCB *bta_av_hndl_to_scb(UINT16 handle); 624 extern BOOLEAN bta_av_chk_start(tBTA_AV_SCB *p_scb); 625 extern void bta_av_restore_switch (void); 626 extern UINT16 bta_av_chk_mtu(tBTA_AV_SCB *p_scb, UINT16 mtu); 627 extern void bta_av_conn_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); 628 extern UINT8 bta_av_rc_create(tBTA_AV_CB *p_cb, UINT8 role, UINT8 shdl, UINT8 lidx); 629 extern void bta_av_stream_chg(tBTA_AV_SCB *p_scb, BOOLEAN started); 630 extern BOOLEAN bta_av_is_scb_opening (tBTA_AV_SCB *p_scb); 631 extern BOOLEAN bta_av_is_scb_incoming (tBTA_AV_SCB *p_scb); 632 extern void bta_av_set_scb_sst_init (tBTA_AV_SCB *p_scb); 633 extern BOOLEAN bta_av_is_scb_init (tBTA_AV_SCB *p_scb); 634 extern void bta_av_set_scb_sst_incoming (tBTA_AV_SCB *p_scb); 635 extern tBTA_AV_LCB * bta_av_find_lcb(BD_ADDR addr, UINT8 op); 636 637 638 /* main functions */ 639 extern void bta_av_api_deregister(tBTA_AV_DATA *p_data); 640 extern void bta_av_dup_audio_buf(tBTA_AV_SCB *p_scb, BT_HDR *p_buf); 641 extern void bta_av_sm_execute(tBTA_AV_CB *p_cb, UINT16 event, tBTA_AV_DATA *p_data); 642 extern void bta_av_ssm_execute(tBTA_AV_SCB *p_scb, UINT16 event, tBTA_AV_DATA *p_data); 643 extern BOOLEAN bta_av_hdl_event(BT_HDR *p_msg); 644 #if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE) 645 extern char *bta_av_evt_code(UINT16 evt_code); 646 #endif 647 extern BOOLEAN bta_av_switch_if_needed(tBTA_AV_SCB *p_scb); 648 extern BOOLEAN bta_av_link_role_ok(tBTA_AV_SCB *p_scb, UINT8 bits); 649 extern BOOLEAN bta_av_is_rcfg_sst(tBTA_AV_SCB *p_scb); 650 651 /* nsm action functions */ 652 extern void bta_av_api_disconnect(tBTA_AV_DATA *p_data); 653 extern void bta_av_sig_chg(tBTA_AV_DATA *p_data); 654 extern void bta_av_sig_timer(tBTA_AV_DATA *p_data); 655 extern void bta_av_rc_disc_done(tBTA_AV_DATA *p_data); 656 extern void bta_av_rc_closed(tBTA_AV_DATA *p_data); 657 extern void bta_av_rc_disc(UINT8 disc); 658 extern void bta_av_conn_chg(tBTA_AV_DATA *p_data); 659 extern void bta_av_dereg_comp(tBTA_AV_DATA *p_data); 660 661 /* sm action functions */ 662 extern void bta_av_disable (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 663 extern void bta_av_rc_opened (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 664 extern void bta_av_rc_remote_cmd (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 665 extern void bta_av_rc_vendor_cmd (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 666 extern void bta_av_rc_vendor_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 667 extern void bta_av_rc_msg (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 668 extern void bta_av_rc_close (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 669 extern void bta_av_rc_meta_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 670 extern void bta_av_rc_free_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 671 extern void bta_av_rc_free_msg (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 672 673 extern tBTA_AV_RCB * bta_av_get_rcb_by_shdl(UINT8 shdl); 674 extern void bta_av_del_rc(tBTA_AV_RCB *p_rcb); 675 676 /* ssm action functions */ 677 extern void bta_av_do_disc_a2d (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 678 extern void bta_av_cleanup (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 679 extern void bta_av_free_sdb (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 680 extern void bta_av_config_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 681 extern void bta_av_disconnect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 682 extern void bta_av_security_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 683 extern void bta_av_security_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 684 extern void bta_av_setconfig_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 685 extern void bta_av_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 686 extern void bta_av_security_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 687 extern void bta_av_security_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 688 extern void bta_av_do_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 689 extern void bta_av_connect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 690 extern void bta_av_sdp_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 691 extern void bta_av_disc_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 692 extern void bta_av_disc_res_as_acp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 693 extern void bta_av_open_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 694 extern void bta_av_getcap_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 695 extern void bta_av_setconfig_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 696 extern void bta_av_discover_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 697 extern void bta_av_conn_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 698 extern void bta_av_do_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 699 extern void bta_av_str_stopped (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 700 extern void bta_av_reconfig (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 701 extern void bta_av_data_path (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 702 extern void bta_av_start_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 703 extern void bta_av_start_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 704 extern void bta_av_str_closed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 705 extern void bta_av_clr_cong (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 706 extern void bta_av_suspend_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 707 extern void bta_av_rcfg_str_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 708 extern void bta_av_rcfg_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 709 extern void bta_av_rcfg_connect (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 710 extern void bta_av_rcfg_discntd (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 711 extern void bta_av_suspend_cont (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 712 extern void bta_av_rcfg_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 713 extern void bta_av_rcfg_open (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 714 extern void bta_av_security_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 715 extern void bta_av_open_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 716 extern void bta_av_chk_2nd_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 717 extern void bta_av_save_caps (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 718 extern void bta_av_rej_conn (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 719 extern void bta_av_rej_conn (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 720 extern void bta_av_set_use_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 721 extern void bta_av_cco_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 722 extern void bta_av_switch_role (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 723 extern void bta_av_role_res (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 724 extern void bta_av_delay_co (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 725 extern void bta_av_open_at_inc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 726 727 /* ssm action functions - vdp specific */ 728 extern void bta_av_do_disc_vdp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 729 extern void bta_av_vdp_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 730 extern void bta_av_reg_vdp (tAVDT_CS *p_cs, char *p_service_name, void *p_data); 731 732 #endif /* BTA_AV_INT_H */ 733