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 33 #define BTA_AV_DEBUG TRUE 34 /***************************************************************************** 35 ** Constants 36 *****************************************************************************/ 37 38 enum 39 { 40 /* these events are handled by the AV main state machine */ 41 BTA_AV_API_DISABLE_EVT = BTA_SYS_EVT_START(BTA_ID_AV), 42 BTA_AV_API_REMOTE_CMD_EVT, 43 BTA_AV_API_VENDOR_CMD_EVT, 44 BTA_AV_API_VENDOR_RSP_EVT, 45 BTA_AV_API_META_RSP_EVT, 46 BTA_AV_API_RC_CLOSE_EVT, 47 BTA_AV_AVRC_OPEN_EVT, 48 BTA_AV_AVRC_MSG_EVT, 49 BTA_AV_AVRC_NONE_EVT, 50 51 /* these events are handled by the AV stream state machine */ 52 BTA_AV_API_OPEN_EVT, 53 BTA_AV_API_CLOSE_EVT, 54 BTA_AV_AP_START_EVT, /* the following 2 events must be in the same order as the *API_*EVT */ 55 BTA_AV_AP_STOP_EVT, 56 BTA_AV_API_RECONFIG_EVT, 57 BTA_AV_API_PROTECT_REQ_EVT, 58 BTA_AV_API_PROTECT_RSP_EVT, 59 BTA_AV_API_RC_OPEN_EVT, 60 BTA_AV_SRC_DATA_READY_EVT, 61 BTA_AV_CI_SETCONFIG_OK_EVT, 62 BTA_AV_CI_SETCONFIG_FAIL_EVT, 63 BTA_AV_SDP_DISC_OK_EVT, 64 BTA_AV_SDP_DISC_FAIL_EVT, 65 BTA_AV_STR_DISC_OK_EVT, 66 BTA_AV_STR_DISC_FAIL_EVT, 67 BTA_AV_STR_GETCAP_OK_EVT, 68 BTA_AV_STR_GETCAP_FAIL_EVT, 69 BTA_AV_STR_OPEN_OK_EVT, 70 BTA_AV_STR_OPEN_FAIL_EVT, 71 BTA_AV_STR_START_OK_EVT, 72 BTA_AV_STR_START_FAIL_EVT, 73 BTA_AV_STR_CLOSE_EVT, 74 BTA_AV_STR_CONFIG_IND_EVT, 75 BTA_AV_STR_SECURITY_IND_EVT, 76 BTA_AV_STR_SECURITY_CFM_EVT, 77 BTA_AV_STR_WRITE_CFM_EVT, 78 BTA_AV_STR_SUSPEND_CFM_EVT, 79 BTA_AV_STR_RECONFIG_CFM_EVT, 80 BTA_AV_AVRC_TIMER_EVT, 81 BTA_AV_AVDT_CONNECT_EVT, 82 BTA_AV_AVDT_DISCONNECT_EVT, 83 BTA_AV_ROLE_CHANGE_EVT, 84 BTA_AV_AVDT_DELAY_RPT_EVT, 85 BTA_AV_ACP_CONNECT_EVT, 86 87 /* these events are handled outside of the state machine */ 88 BTA_AV_API_ENABLE_EVT, 89 BTA_AV_API_REGISTER_EVT, 90 BTA_AV_API_DEREGISTER_EVT, 91 BTA_AV_API_DISCONNECT_EVT, 92 BTA_AV_CI_SRC_DATA_READY_EVT, 93 BTA_AV_SIG_CHG_EVT, 94 BTA_AV_SIG_TIMER_EVT, 95 BTA_AV_SDP_AVRC_DISC_EVT, 96 BTA_AV_AVRC_CLOSE_EVT, 97 BTA_AV_CONN_CHG_EVT, 98 BTA_AV_DEREG_COMP_EVT, 99 #if (BTA_AV_SINK_INCLUDED == TRUE) 100 BTA_AV_API_SINK_ENABLE_EVT, 101 #endif 102 #if (AVDT_REPORTING == TRUE) 103 BTA_AV_AVDT_RPT_CONN_EVT, 104 #endif 105 BTA_AV_API_START_EVT, /* the following 2 events must be in the same order as the *AP_*EVT */ 106 BTA_AV_API_STOP_EVT 107 }; 108 109 /* events for AV control block state machine */ 110 #define BTA_AV_FIRST_SM_EVT BTA_AV_API_DISABLE_EVT 111 #define BTA_AV_LAST_SM_EVT BTA_AV_AVRC_NONE_EVT 112 113 /* events for AV stream control block state machine */ 114 #define BTA_AV_FIRST_SSM_EVT BTA_AV_API_OPEN_EVT 115 116 /* events that do not go through state machine */ 117 #define BTA_AV_FIRST_NSM_EVT BTA_AV_API_ENABLE_EVT 118 #define BTA_AV_LAST_NSM_EVT BTA_AV_API_STOP_EVT 119 120 /* API events passed to both SSMs (by bta_av_api_to_ssm) */ 121 #define BTA_AV_FIRST_A2S_API_EVT BTA_AV_API_START_EVT 122 #define BTA_AV_FIRST_A2S_SSM_EVT BTA_AV_AP_START_EVT 123 124 #define BTA_AV_LAST_EVT BTA_AV_API_STOP_EVT 125 126 /* maximum number of SEPS in stream discovery results */ 127 #define BTA_AV_NUM_SEPS 32 128 129 /* initialization value for AVRC handle */ 130 #define BTA_AV_RC_HANDLE_NONE 0xFF 131 132 /* size of database for service discovery */ 133 #define BTA_AV_DISC_BUF_SIZE 1000 134 135 /* offset of media type in codec info byte array */ 136 #define BTA_AV_MEDIA_TYPE_IDX 1 137 138 /* maximum length of AVDTP security data */ 139 #define BTA_AV_SECURITY_MAX_LEN 400 140 141 /* check number of buffers queued at L2CAP when this amount of buffers are queued to L2CAP */ 142 #define BTA_AV_QUEUE_DATA_CHK_NUM L2CAP_HIGH_PRI_MIN_XMIT_QUOTA 143 144 /* the number of ACL links with AVDT */ 145 #define BTA_AV_NUM_LINKS AVDT_NUM_LINKS 146 147 #define BTA_AV_CO_ID_TO_BE_STREAM(p, u32) {*(p)++ = (UINT8)((u32) >> 16); *(p)++ = (UINT8)((u32) >> 8); *(p)++ = (UINT8)(u32); } 148 #define BTA_AV_BE_STREAM_TO_CO_ID(u32, p) {u32 = (((UINT32)(*((p) + 2))) + (((UINT32)(*((p) + 1))) << 8) + (((UINT32)(*(p))) << 16)); (p) += 3;} 149 150 /* these bits are defined for bta_av_cb.multi_av */ 151 #define BTA_AV_MULTI_AV_SUPPORTED 0x01 152 #define BTA_AV_MULTI_AV_IN_USE 0x02 153 154 155 /***************************************************************************** 156 ** Data types 157 *****************************************************************************/ 158 159 /* function types for call-out functions */ 160 typedef BOOLEAN (*tBTA_AV_CO_INIT) (UINT8 *p_codec_type, UINT8 *p_codec_info, 161 UINT8 *p_num_protect, UINT8 *p_protect_info, UINT8 index); 162 typedef void (*tBTA_AV_CO_DISC_RES) (tBTA_AV_HNDL hndl, UINT8 num_seps, 163 UINT8 num_snk, UINT8 num_src, BD_ADDR addr, UINT16 uuid_local); 164 typedef UINT8 (*tBTA_AV_CO_GETCFG) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type, 165 UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid, 166 UINT8 *p_num_protect, UINT8 *p_protect_info); 167 typedef void (*tBTA_AV_CO_SETCFG) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type, 168 UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr, 169 UINT8 num_protect, UINT8 *p_protect_info, 170 UINT8 t_local_sep, UINT8 avdt_handle); 171 typedef void (*tBTA_AV_CO_OPEN) (tBTA_AV_HNDL hndl, 172 tBTA_AV_CODEC codec_type, UINT8 *p_codec_info, 173 UINT16 mtu); 174 typedef void (*tBTA_AV_CO_CLOSE) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type, UINT16 mtu); 175 typedef void (*tBTA_AV_CO_START) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr); 176 typedef void (*tBTA_AV_CO_STOP) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type); 177 typedef void * (*tBTA_AV_CO_DATAPATH) (tBTA_AV_CODEC codec_type, 178 UINT32 *p_len, UINT32 *p_timestamp); 179 typedef void (*tBTA_AV_CO_DELAY) (tBTA_AV_HNDL hndl, UINT16 delay); 180 181 /* the call-out functions for one stream */ 182 typedef struct 183 { 184 tBTA_AV_CO_INIT init; 185 tBTA_AV_CO_DISC_RES disc_res; 186 tBTA_AV_CO_GETCFG getcfg; 187 tBTA_AV_CO_SETCFG setcfg; 188 tBTA_AV_CO_OPEN open; 189 tBTA_AV_CO_CLOSE close; 190 tBTA_AV_CO_START start; 191 tBTA_AV_CO_STOP stop; 192 tBTA_AV_CO_DATAPATH data; 193 tBTA_AV_CO_DELAY delay; 194 } tBTA_AV_CO_FUNCTS; 195 196 /* data type for BTA_AV_API_ENABLE_EVT */ 197 typedef struct 198 { 199 BT_HDR hdr; 200 tBTA_AV_CBACK *p_cback; 201 tBTA_AV_FEAT features; 202 tBTA_SEC sec_mask; 203 } tBTA_AV_API_ENABLE; 204 205 /* data type for BTA_AV_API_REG_EVT */ 206 typedef struct 207 { 208 BT_HDR hdr; 209 char p_service_name[BTA_SERVICE_NAME_LEN+1]; 210 UINT8 app_id; 211 tBTA_AV_DATA_CBACK *p_app_data_cback; 212 } tBTA_AV_API_REG; 213 214 215 enum 216 { 217 BTA_AV_RS_NONE, /* straight API call */ 218 BTA_AV_RS_OK, /* the role switch result - successful */ 219 BTA_AV_RS_FAIL, /* the role switch result - failed */ 220 BTA_AV_RS_DONE /* the role switch is done - continue */ 221 }; 222 typedef UINT8 tBTA_AV_RS_RES; 223 /* data type for BTA_AV_API_OPEN_EVT */ 224 typedef struct 225 { 226 BT_HDR hdr; 227 BD_ADDR bd_addr; 228 BOOLEAN use_rc; 229 tBTA_SEC sec_mask; 230 tBTA_AV_RS_RES switch_res; 231 UINT16 uuid; /* uuid of initiator */ 232 } tBTA_AV_API_OPEN; 233 234 /* data type for BTA_AV_API_STOP_EVT */ 235 typedef struct 236 { 237 BT_HDR hdr; 238 BOOLEAN suspend; 239 BOOLEAN flush; 240 } tBTA_AV_API_STOP; 241 242 /* data type for BTA_AV_API_DISCONNECT_EVT */ 243 typedef struct 244 { 245 BT_HDR hdr; 246 BD_ADDR bd_addr; 247 } tBTA_AV_API_DISCNT; 248 249 /* data type for BTA_AV_API_PROTECT_REQ_EVT */ 250 typedef struct 251 { 252 BT_HDR hdr; 253 UINT8 *p_data; 254 UINT16 len; 255 } tBTA_AV_API_PROTECT_REQ; 256 257 /* data type for BTA_AV_API_PROTECT_RSP_EVT */ 258 typedef struct 259 { 260 BT_HDR hdr; 261 UINT8 *p_data; 262 UINT16 len; 263 UINT8 error_code; 264 } tBTA_AV_API_PROTECT_RSP; 265 266 /* data type for BTA_AV_API_REMOTE_CMD_EVT */ 267 typedef struct 268 { 269 BT_HDR hdr; 270 tAVRC_MSG_PASS msg; 271 UINT8 label; 272 } tBTA_AV_API_REMOTE_CMD; 273 274 /* data type for BTA_AV_API_VENDOR_CMD_EVT and RSP */ 275 typedef struct 276 { 277 BT_HDR hdr; 278 tAVRC_MSG_VENDOR msg; 279 UINT8 label; 280 } tBTA_AV_API_VENDOR; 281 282 /* data type for BTA_AV_API_RC_OPEN_EVT */ 283 typedef struct 284 { 285 BT_HDR hdr; 286 } tBTA_AV_API_OPEN_RC; 287 288 /* data type for BTA_AV_API_RC_CLOSE_EVT */ 289 typedef struct 290 { 291 BT_HDR hdr; 292 } tBTA_AV_API_CLOSE_RC; 293 294 /* data type for BTA_AV_API_META_RSP_EVT */ 295 typedef struct 296 { 297 BT_HDR hdr; 298 BOOLEAN is_rsp; 299 UINT8 label; 300 tBTA_AV_CODE rsp_code; 301 BT_HDR *p_pkt; 302 } tBTA_AV_API_META_RSP; 303 304 305 /* data type for BTA_AV_API_RECONFIG_EVT */ 306 typedef struct 307 { 308 BT_HDR hdr; 309 UINT8 codec_info[AVDT_CODEC_SIZE]; /* codec configuration */ 310 UINT8 *p_protect_info; 311 UINT8 num_protect; 312 BOOLEAN suspend; 313 UINT8 sep_info_idx; 314 } tBTA_AV_API_RCFG; 315 316 /* data type for BTA_AV_CI_SETCONFIG_OK_EVT and BTA_AV_CI_SETCONFIG_FAIL_EVT */ 317 typedef struct 318 { 319 BT_HDR hdr; 320 tBTA_AV_HNDL hndl; 321 UINT8 err_code; 322 UINT8 category; 323 UINT8 num_seid; 324 UINT8 *p_seid; 325 BOOLEAN recfg_needed; 326 UINT8 avdt_handle; /* local sep type for which this stream will be set up */ 327 } tBTA_AV_CI_SETCONFIG; 328 329 /* data type for all stream events from AVDTP */ 330 typedef struct { 331 BT_HDR hdr; 332 tAVDT_CFG cfg; /* configuration/capabilities parameters */ 333 tAVDT_CTRL msg; /* AVDTP callback message parameters */ 334 BD_ADDR bd_addr; /* bd address */ 335 UINT8 handle; 336 UINT8 avdt_event; 337 BOOLEAN initiator; /* TRUE, if local device initiates the SUSPEND */ 338 } tBTA_AV_STR_MSG; 339 340 /* data type for BTA_AV_AVRC_MSG_EVT */ 341 typedef struct 342 { 343 BT_HDR hdr; 344 tAVRC_MSG msg; 345 UINT8 handle; 346 UINT8 label; 347 UINT8 opcode; 348 } tBTA_AV_RC_MSG; 349 350 /* data type for BTA_AV_AVRC_OPEN_EVT, BTA_AV_AVRC_CLOSE_EVT */ 351 typedef struct 352 { 353 BT_HDR hdr; 354 BD_ADDR peer_addr; 355 UINT8 handle; 356 } tBTA_AV_RC_CONN_CHG; 357 358 /* data type for BTA_AV_CONN_CHG_EVT */ 359 typedef struct 360 { 361 BT_HDR hdr; 362 BD_ADDR peer_addr; 363 BOOLEAN is_up; 364 } tBTA_AV_CONN_CHG; 365 366 /* data type for BTA_AV_ROLE_CHANGE_EVT */ 367 typedef struct 368 { 369 BT_HDR hdr; 370 UINT8 new_role; 371 UINT8 hci_status; 372 } tBTA_AV_ROLE_RES; 373 374 /* data type for BTA_AV_SDP_DISC_OK_EVT */ 375 typedef struct 376 { 377 BT_HDR hdr; 378 UINT16 avdt_version; /* AVDTP protocol version */ 379 } tBTA_AV_SDP_RES; 380 381 /* type for SEP control block */ 382 typedef struct 383 { 384 UINT8 av_handle; /* AVDTP handle */ 385 tBTA_AV_CODEC codec_type; /* codec type */ 386 UINT8 tsep; /* SEP type of local SEP */ 387 tBTA_AV_DATA_CBACK *p_app_data_cback; /* Application callback for media packets */ 388 } tBTA_AV_SEP; 389 390 391 /* initiator/acceptor role for adaption */ 392 #define BTA_AV_ROLE_AD_INT 0x00 /* initiator */ 393 #define BTA_AV_ROLE_AD_ACP 0x01 /* acceptor */ 394 395 /* initiator/acceptor signaling roles */ 396 #define BTA_AV_ROLE_START_ACP 0x00 397 #define BTA_AV_ROLE_START_INT 0x10 /* do not change this value */ 398 399 #define BTA_AV_ROLE_SUSPEND 0x20 /* suspending on start */ 400 #define BTA_AV_ROLE_SUSPEND_OPT 0x40 /* Suspend on Start option is set */ 401 402 /* union of all event datatypes */ 403 typedef union 404 { 405 BT_HDR hdr; 406 tBTA_AV_API_ENABLE api_enable; 407 tBTA_AV_API_REG api_reg; 408 tBTA_AV_API_OPEN api_open; 409 tBTA_AV_API_STOP api_stop; 410 tBTA_AV_API_DISCNT api_discnt; 411 tBTA_AV_API_PROTECT_REQ api_protect_req; 412 tBTA_AV_API_PROTECT_RSP api_protect_rsp; 413 tBTA_AV_API_REMOTE_CMD api_remote_cmd; 414 tBTA_AV_API_VENDOR api_vendor; 415 tBTA_AV_API_RCFG api_reconfig; 416 tBTA_AV_CI_SETCONFIG ci_setconfig; 417 tBTA_AV_STR_MSG str_msg; 418 tBTA_AV_RC_MSG rc_msg; 419 tBTA_AV_RC_CONN_CHG rc_conn_chg; 420 tBTA_AV_CONN_CHG conn_chg; 421 tBTA_AV_ROLE_RES role_res; 422 tBTA_AV_SDP_RES sdp_res; 423 tBTA_AV_API_META_RSP api_meta_rsp; 424 } tBTA_AV_DATA; 425 426 typedef void (tBTA_AV_VDP_DATA_ACT)(void *p_scb); 427 428 typedef struct 429 { 430 tBTA_AV_VDP_DATA_ACT *p_act; 431 UINT8 *p_frame; 432 UINT16 buf_size; 433 UINT32 len; 434 UINT32 offset; 435 UINT32 timestamp; 436 } tBTA_AV_VF_INFO; 437 438 typedef union 439 { 440 BUFFER_Q a2d; /* used for audio channels only */ 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 tBTA_AV_Q_INFO q_info; 474 tAVDT_SEP_INFO sep_info[BTA_AV_NUM_SEPS]; /* stream discovery results */ 475 tAVDT_CFG cfg; /* local SEP configuration */ 476 TIMER_LIST_ENT timer; /* delay timer for AVRC CT */ 477 BD_ADDR peer_addr; /* peer BD address */ 478 UINT16 l2c_cid; /* L2CAP channel ID */ 479 UINT16 stream_mtu; /* MTU of stream */ 480 UINT16 avdt_version; /* the avdt version of peer device */ 481 tBTA_SEC sec_mask; /* security mask */ 482 tBTA_AV_CODEC codec_type; /* codec type */ 483 UINT8 media_type; /* Media type */ 484 BOOLEAN cong; /* TRUE if AVDTP congested */ 485 tBTA_AV_STATUS open_status; /* open failure status */ 486 tBTA_AV_CHNL chnl; /* the channel: audio/video */ 487 tBTA_AV_HNDL hndl; /* the handle: ((hdi + 1)|chnl) */ 488 UINT16 cur_psc_mask; /* Protocol service capabilities mask for current connection */ 489 UINT8 avdt_handle; /* AVDTP handle */ 490 UINT8 hdi; /* the index to SCB[] */ 491 UINT8 num_seps; /* number of seps returned by stream discovery */ 492 UINT8 num_disc_snks; /* number of discovered snks */ 493 UINT8 num_disc_srcs; /* number of discovered srcs */ 494 UINT8 sep_info_idx; /* current index into sep_info */ 495 UINT8 sep_idx; /* current index into local seps[] */ 496 UINT8 rcfg_idx; /* reconfig requested index into sep_info */ 497 UINT8 state; /* state machine state */ 498 UINT8 avdt_label; /* AVDTP label */ 499 UINT8 app_id; /* application id */ 500 UINT8 num_recfg; /* number of reconfigure sent */ 501 UINT8 role; 502 UINT8 l2c_bufs; /* the number of buffers queued to L2CAP */ 503 UINT8 rc_handle; /* connected AVRCP handle */ 504 BOOLEAN use_rc; /* TRUE if AVRCP is allowed */ 505 BOOLEAN started; /* TRUE if stream started */ 506 UINT8 co_started; /* non-zero, if stream started from call-out perspective */ 507 BOOLEAN recfg_sup; /* TRUE if the first attempt to reconfigure the stream was successfull, else False if command fails */ 508 BOOLEAN suspend_sup; /* TRUE if Suspend stream is supported, else FALSE if suspend command fails */ 509 BOOLEAN deregistring; /* TRUE if deregistering */ 510 BOOLEAN sco_suspend; /* TRUE if SUSPEND is issued automatically for SCO */ 511 UINT8 coll_mask; /* Mask to check incoming and outgoing collision */ 512 tBTA_AV_API_OPEN open_api; /* Saved OPEN api message */ 513 UINT8 wait; /* set 0x1, when getting Caps as ACP, set 0x2, when started */ 514 UINT8 q_tag; /* identify the associated q_info union member */ 515 BOOLEAN no_rtp_hdr; /* TRUE if add no RTP header*/ 516 UINT16 uuid_int; /*intended UUID of Initiator to connect to */ 517 } tBTA_AV_SCB; 518 519 #define BTA_AV_RC_ROLE_MASK 0x10 520 #define BTA_AV_RC_ROLE_INT 0x00 521 #define BTA_AV_RC_ROLE_ACP 0x10 522 523 #define BTA_AV_RC_CONN_MASK 0x20 524 525 /* type for AV RCP control block */ 526 /* index to this control block is the rc handle */ 527 typedef struct 528 { 529 UINT8 status; 530 UINT8 handle; 531 UINT8 shdl; /* stream handle (hdi + 1) */ 532 UINT8 lidx; /* (index+1) to LCB */ 533 tBTA_AV_FEAT peer_features; /* peer features mask */ 534 } tBTA_AV_RCB; 535 #define BTA_AV_NUM_RCB (BTA_AV_NUM_STRS + 2) 536 537 enum 538 { 539 BTA_AV_LCB_FREE, 540 BTA_AV_LCB_FIND 541 }; 542 543 /* type for AV ACL Link control block */ 544 typedef struct 545 { 546 BD_ADDR addr; /* peer BD address */ 547 UINT8 conn_msk; /* handle mask of connected stream handle */ 548 UINT8 lidx; /* index + 1 */ 549 } tBTA_AV_LCB; 550 551 /* type for stream state machine action functions */ 552 typedef void (*tBTA_AV_SACT)(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 553 554 555 /* type for AV control block */ 556 typedef struct 557 { 558 tBTA_AV_SCB *p_scb[BTA_AV_NUM_STRS]; /* stream control block */ 559 tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */ 560 tBTA_AV_CBACK *p_cback; /* application callback function */ 561 tBTA_AV_RCB rcb[BTA_AV_NUM_RCB]; /* RCB control block */ 562 tBTA_AV_LCB lcb[BTA_AV_NUM_LINKS+1]; /* link control block */ 563 TIMER_LIST_ENT sig_tmr; /* link timer */ 564 TIMER_LIST_ENT acp_sig_tmr; /* timer to monitor signalling when accepting */ 565 UINT32 sdp_a2d_handle; /* SDP record handle for audio src */ 566 #if (BTA_AV_SINK_INCLUDED == TRUE) 567 UINT32 sdp_a2d_snk_handle; /* SDP record handle for audio snk */ 568 #endif 569 UINT32 sdp_vdp_handle; /* SDP record handle for video src */ 570 tBTA_AV_FEAT features; /* features mask */ 571 tBTA_SEC sec_mask; /* security mask */ 572 tBTA_AV_HNDL handle; /* the handle for SDP activity */ 573 BOOLEAN disabling; /* TRUE if api disabled called */ 574 UINT8 disc; /* (hdi+1) or (rc_handle|BTA_AV_CHNL_MSK) if p_disc_db is in use */ 575 UINT8 state; /* state machine state */ 576 UINT8 conn_rc; /* handle mask of connected RCP channels */ 577 UINT8 conn_audio; /* handle mask of connected audio channels */ 578 UINT8 conn_video; /* handle mask of connected video channels */ 579 UINT8 conn_lcb; /* index mask of used LCBs */ 580 UINT8 audio_open_cnt; /* number of connected audio channels */ 581 UINT8 reg_audio; /* handle mask of registered audio channels */ 582 UINT8 reg_video; /* handle mask of registered video channels */ 583 UINT8 rc_acp_handle; 584 UINT8 rc_acp_idx; /* (index + 1) to RCB */ 585 UINT8 rs_idx; /* (index + 1) to SCB for the one waiting for RS on open */ 586 BOOLEAN sco_occupied; /* TRUE if SCO is being used or call is in progress */ 587 UINT8 audio_streams; /* handle mask of streaming audio channels */ 588 UINT8 video_streams; /* handle mask of streaming video channels */ 589 } tBTA_AV_CB; 590 591 592 593 /***************************************************************************** 594 ** Global data 595 *****************************************************************************/ 596 597 /* control block declaration */ 598 #if BTA_DYNAMIC_MEMORY == FALSE 599 extern tBTA_AV_CB bta_av_cb; 600 #else 601 extern tBTA_AV_CB *bta_av_cb_ptr; 602 #define bta_av_cb (*bta_av_cb_ptr) 603 #endif 604 605 /* config struct */ 606 extern tBTA_AV_CFG *p_bta_av_cfg; 607 608 /* rc id config struct */ 609 extern UINT16 *p_bta_av_rc_id; 610 extern UINT16 *p_bta_av_rc_id_ac; 611 612 extern const tBTA_AV_SACT bta_av_a2d_action[]; 613 extern const tBTA_AV_CO_FUNCTS bta_av_a2d_cos; 614 extern const tBTA_AV_SACT bta_av_vdp_action[]; 615 extern tAVDT_CTRL_CBACK * const bta_av_dt_cback[]; 616 extern void bta_av_stream_data_cback(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, UINT8 m_pt); 617 618 /***************************************************************************** 619 ** Function prototypes 620 *****************************************************************************/ 621 /* utility functions */ 622 extern tBTA_AV_SCB *bta_av_hndl_to_scb(UINT16 handle); 623 extern BOOLEAN bta_av_chk_start(tBTA_AV_SCB *p_scb); 624 extern void bta_av_restore_switch (void); 625 extern UINT16 bta_av_chk_mtu(tBTA_AV_SCB *p_scb, UINT16 mtu); 626 extern void bta_av_conn_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); 627 extern UINT8 bta_av_rc_create(tBTA_AV_CB *p_cb, UINT8 role, UINT8 shdl, UINT8 lidx); 628 extern void bta_av_proc_stream_evt(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data, int index); 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_st_rc_timer(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 686 extern void bta_av_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 687 extern void bta_av_security_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 688 extern void bta_av_security_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 689 extern void bta_av_do_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 690 extern void bta_av_connect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 691 extern void bta_av_sdp_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 692 extern void bta_av_disc_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 693 extern void bta_av_disc_res_as_acp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 694 extern void bta_av_open_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 695 extern void bta_av_getcap_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 696 extern void bta_av_setconfig_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 697 extern void bta_av_discover_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 698 extern void bta_av_conn_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 699 extern void bta_av_do_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 700 extern void bta_av_str_stopped (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 701 extern void bta_av_reconfig (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 702 extern void bta_av_data_path (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 703 extern void bta_av_start_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 704 extern void bta_av_start_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 705 extern void bta_av_str_closed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 706 extern void bta_av_clr_cong (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 707 extern void bta_av_suspend_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 708 extern void bta_av_rcfg_str_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 709 extern void bta_av_rcfg_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 710 extern void bta_av_rcfg_connect (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 711 extern void bta_av_rcfg_discntd (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 712 extern void bta_av_suspend_cont (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 713 extern void bta_av_rcfg_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 714 extern void bta_av_rcfg_open (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 715 extern void bta_av_security_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 716 extern void bta_av_open_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 717 extern void bta_av_chk_2nd_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 718 extern void bta_av_save_caps (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_rej_conn (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 721 extern void bta_av_set_use_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 722 extern void bta_av_cco_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 723 extern void bta_av_switch_role (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 724 extern void bta_av_role_res (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 725 extern void bta_av_delay_co (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 726 extern void bta_av_open_at_inc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 727 728 /* ssm action functions - vdp specific */ 729 extern void bta_av_do_disc_vdp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 730 extern void bta_av_vdp_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 731 extern void bta_av_reg_vdp (tAVDT_CS *p_cs, char *p_service_name, void *p_data); 732 733 #endif /* BTA_AV_INT_H */ 734