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/bta_sys.h" 28 #include "bta/bta_api.h" 29 #include "bta/bta_av_api.h" 30 #include "stack/avdt_api.h" 31 #include "bta/bta_av_co.h" 32 #include "osi/list.h" 33 34 #if (BTA_AV_INCLUDED == TRUE) 35 36 /***************************************************************************** 37 ** Constants 38 *****************************************************************************/ 39 40 enum { 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 3 events must be in the same order as the *API_*EVT */ 56 BTA_AV_AP_STOP_EVT, 57 BTA_AV_AP_SET_DELAY_VALUE_EVT, 58 BTA_AV_API_RECONFIG_EVT, 59 BTA_AV_API_PROTECT_REQ_EVT, 60 BTA_AV_API_PROTECT_RSP_EVT, 61 BTA_AV_API_RC_OPEN_EVT, 62 BTA_AV_SRC_DATA_READY_EVT, 63 BTA_AV_CI_SETCONFIG_OK_EVT, 64 BTA_AV_CI_SETCONFIG_FAIL_EVT, 65 BTA_AV_SDP_DISC_OK_EVT, 66 BTA_AV_SDP_DISC_FAIL_EVT, 67 BTA_AV_STR_DISC_OK_EVT, 68 BTA_AV_STR_DISC_FAIL_EVT, 69 BTA_AV_STR_GETCAP_OK_EVT, 70 BTA_AV_STR_GETCAP_FAIL_EVT, 71 BTA_AV_STR_OPEN_OK_EVT, 72 BTA_AV_STR_OPEN_FAIL_EVT, 73 BTA_AV_STR_START_OK_EVT, 74 BTA_AV_STR_START_FAIL_EVT, 75 BTA_AV_STR_CLOSE_EVT, 76 BTA_AV_STR_CONFIG_IND_EVT, 77 BTA_AV_STR_SECURITY_IND_EVT, 78 BTA_AV_STR_SECURITY_CFM_EVT, 79 BTA_AV_STR_WRITE_CFM_EVT, 80 BTA_AV_STR_SUSPEND_CFM_EVT, 81 BTA_AV_STR_RECONFIG_CFM_EVT, 82 BTA_AV_AVRC_TIMER_EVT, 83 BTA_AV_AVDT_CONNECT_EVT, 84 BTA_AV_AVDT_DISCONNECT_EVT, 85 BTA_AV_ROLE_CHANGE_EVT, 86 BTA_AV_AVDT_DELAY_RPT_EVT, 87 BTA_AV_ACP_CONNECT_EVT, 88 89 /* these events are handled outside of the state machine */ 90 BTA_AV_API_ENABLE_EVT, 91 BTA_AV_API_REGISTER_EVT, 92 BTA_AV_API_DEREGISTER_EVT, 93 BTA_AV_API_DISCONNECT_EVT, 94 BTA_AV_CI_SRC_DATA_READY_EVT, 95 BTA_AV_SIG_CHG_EVT, 96 BTA_AV_SIG_TIMER_EVT, 97 BTA_AV_SDP_AVRC_DISC_EVT, 98 BTA_AV_AVRC_CLOSE_EVT, 99 BTA_AV_CONN_CHG_EVT, 100 BTA_AV_DEREG_COMP_EVT, 101 #if (BTA_AV_SINK_INCLUDED == TRUE) 102 BTA_AV_API_SINK_ENABLE_EVT, 103 // add 104 BTA_AV_API_GET_DELAY_VALUE_EVT, 105 #endif 106 #if (AVDT_REPORTING == TRUE) 107 BTA_AV_AVDT_RPT_CONN_EVT, 108 #endif 109 BTA_AV_API_START_EVT, /* the following 3 events must be in the same order as the *AP_*EVT */ 110 BTA_AV_API_STOP_EVT, 111 BTA_AV_API_SET_DELAY_VALUE_EVT, 112 }; 113 114 /* events for AV control block state machine */ 115 #define BTA_AV_FIRST_SM_EVT BTA_AV_API_DISABLE_EVT 116 #define BTA_AV_LAST_SM_EVT BTA_AV_AVRC_NONE_EVT 117 118 /* events for AV stream control block state machine */ 119 #define BTA_AV_FIRST_SSM_EVT BTA_AV_API_OPEN_EVT 120 121 /* events that do not go through state machine */ 122 #define BTA_AV_FIRST_NSM_EVT BTA_AV_API_ENABLE_EVT 123 #define BTA_AV_LAST_NSM_EVT BTA_AV_API_SET_DELAY_VALUE_EVT 124 125 /* API events passed to both SSMs (by bta_av_api_to_ssm) */ 126 #define BTA_AV_FIRST_A2S_API_EVT BTA_AV_API_START_EVT 127 #define BTA_AV_FIRST_A2S_SSM_EVT BTA_AV_AP_START_EVT 128 129 #define BTA_AV_LAST_EVT BTA_AV_API_SET_DELAY_VALUE_EVT 130 131 /* maximum number of SEPS in stream discovery results */ 132 #define BTA_AV_NUM_SEPS 32 133 134 /* initialization value for AVRC handle */ 135 #define BTA_AV_RC_HANDLE_NONE 0xFF 136 137 /* size of database for service discovery */ 138 #define BTA_AV_DISC_BUF_SIZE 1000 139 140 /* offset of media type in codec info byte array */ 141 #define BTA_AV_MEDIA_TYPE_IDX 1 142 143 /* maximum length of AVDTP security data */ 144 #define BTA_AV_SECURITY_MAX_LEN 400 145 146 /* check number of buffers queued at L2CAP when this amount of buffers are queued to L2CAP */ 147 #define BTA_AV_QUEUE_DATA_CHK_NUM L2CAP_HIGH_PRI_MIN_XMIT_QUOTA 148 149 /* the number of ACL links with AVDT */ 150 #define BTA_AV_NUM_LINKS AVDT_NUM_LINKS 151 152 #define BTA_AV_CO_ID_TO_BE_STREAM(p, u32) {*(p)++ = (UINT8)((u32) >> 16); *(p)++ = (UINT8)((u32) >> 8); *(p)++ = (UINT8)(u32); } 153 #define BTA_AV_BE_STREAM_TO_CO_ID(u32, p) {u32 = (((UINT32)(*((p) + 2))) + (((UINT32)(*((p) + 1))) << 8) + (((UINT32)(*(p))) << 16)); (p) += 3;} 154 155 /* these bits are defined for bta_av_cb.multi_av */ 156 #define BTA_AV_MULTI_AV_SUPPORTED 0x01 157 #define BTA_AV_MULTI_AV_IN_USE 0x02 158 159 #define TSEP_TO_SYS_ID(x) ((x) == AVDT_TSEP_SRC ? BTA_ID_AV : BTA_ID_AVK) 160 161 /***************************************************************************** 162 ** Data types 163 *****************************************************************************/ 164 /* data type for BTA_AV_API_ENABLE_EVT */ 165 typedef struct { 166 BT_HDR hdr; 167 tBTA_AV_CBACK *p_cback; 168 tBTA_AV_FEAT features; 169 tBTA_SEC sec_mask; 170 } tBTA_AV_API_ENABLE; 171 172 /* data type for BTA_AV_API_REG_EVT */ 173 typedef struct { 174 BT_HDR hdr; 175 char p_service_name[BTA_SERVICE_NAME_LEN + 1]; 176 UINT8 app_id; 177 UINT8 tsep; // local SEP type 178 tBTA_AV_DATA_CBACK *p_app_data_cback; 179 tBTA_AV_CO_FUNCTS *bta_av_cos; 180 tBTA_AVRC_CO_FUNCTS *bta_avrc_cos; 181 } tBTA_AV_API_REG; 182 183 184 enum { 185 BTA_AV_RS_NONE, /* straight API call */ 186 BTA_AV_RS_OK, /* the role switch result - successful */ 187 BTA_AV_RS_FAIL, /* the role switch result - failed */ 188 BTA_AV_RS_DONE /* the role switch is done - continue */ 189 }; 190 typedef UINT8 tBTA_AV_RS_RES; 191 /* data type for BTA_AV_API_OPEN_EVT */ 192 typedef struct { 193 BT_HDR hdr; 194 BD_ADDR bd_addr; 195 BOOLEAN use_rc; 196 tBTA_SEC sec_mask; 197 tBTA_AV_RS_RES switch_res; 198 UINT16 uuid; /* uuid of initiator */ 199 } tBTA_AV_API_OPEN; 200 201 /* data type for BTA_AV_API_STOP_EVT */ 202 typedef struct { 203 BT_HDR hdr; 204 BOOLEAN suspend; 205 BOOLEAN flush; 206 } tBTA_AV_API_STOP; 207 208 /* data type for BTA_AV_API_DISCONNECT_EVT */ 209 typedef struct { 210 BT_HDR hdr; 211 BD_ADDR bd_addr; 212 } tBTA_AV_API_DISCNT; 213 214 /* data type for BTA_AV_API_PROTECT_REQ_EVT */ 215 typedef struct { 216 BT_HDR hdr; 217 UINT8 *p_data; 218 UINT16 len; 219 } tBTA_AV_API_PROTECT_REQ; 220 221 /* data type for BTA_AV_API_PROTECT_RSP_EVT */ 222 typedef struct { 223 BT_HDR hdr; 224 UINT8 *p_data; 225 UINT16 len; 226 UINT8 error_code; 227 } tBTA_AV_API_PROTECT_RSP; 228 229 /* data type for BTA_AV_API_REMOTE_CMD_EVT */ 230 typedef struct { 231 BT_HDR hdr; 232 tAVRC_MSG_PASS msg; 233 UINT8 label; 234 } tBTA_AV_API_REMOTE_CMD; 235 236 /* data type for BTA_AV_API_VENDOR_CMD_EVT and RSP */ 237 typedef struct { 238 BT_HDR hdr; 239 tAVRC_MSG_VENDOR msg; 240 UINT8 label; 241 } tBTA_AV_API_VENDOR; 242 243 /* data type for BTA_AV_API_RC_OPEN_EVT */ 244 typedef struct { 245 BT_HDR hdr; 246 } tBTA_AV_API_OPEN_RC; 247 248 /* data type for BTA_AV_API_RC_CLOSE_EVT */ 249 typedef struct { 250 BT_HDR hdr; 251 } tBTA_AV_API_CLOSE_RC; 252 253 /* data type for BTA_AV_API_META_RSP_EVT */ 254 typedef struct { 255 BT_HDR hdr; 256 BOOLEAN is_rsp; 257 UINT8 label; 258 tBTA_AV_CODE rsp_code; 259 BT_HDR *p_pkt; 260 } tBTA_AV_API_META_RSP; 261 262 263 /* data type for BTA_AV_API_RECONFIG_EVT */ 264 typedef struct { 265 BT_HDR hdr; 266 UINT8 codec_info[AVDT_CODEC_SIZE]; /* codec configuration */ 267 BOOLEAN suspend; 268 UINT8 sep_info_idx; 269 UINT8 num_protect; 270 UINT8 p_protect_info[0]; 271 } tBTA_AV_API_RCFG; 272 273 /* data type for BTA_AV_CI_SETCONFIG_OK_EVT and BTA_AV_CI_SETCONFIG_FAIL_EVT */ 274 typedef struct { 275 BT_HDR hdr; 276 tBTA_AV_HNDL hndl; 277 UINT8 err_code; 278 UINT8 category; 279 BOOLEAN recfg_needed; 280 UINT8 avdt_handle; /* local sep type for which this stream will be set up */ 281 UINT8 num_seid; 282 UINT8 p_seid[0]; 283 } tBTA_AV_CI_SETCONFIG; 284 285 /* data type for all stream events from AVDTP */ 286 typedef struct { 287 BT_HDR hdr; 288 tAVDT_CFG cfg; /* configuration/capabilities parameters */ 289 tAVDT_CTRL msg; /* AVDTP callback message parameters */ 290 BD_ADDR bd_addr; /* bd address */ 291 UINT8 handle; 292 UINT8 avdt_event; 293 BOOLEAN initiator; /* TRUE, if local device initiates the SUSPEND */ 294 } tBTA_AV_STR_MSG; 295 296 /* data type for BTA_AV_AVRC_MSG_EVT */ 297 typedef struct { 298 BT_HDR hdr; 299 tAVRC_MSG msg; 300 UINT8 handle; 301 UINT8 label; 302 UINT8 opcode; 303 } tBTA_AV_RC_MSG; 304 305 /* data type for BTA_AV_AVRC_OPEN_EVT, BTA_AV_AVRC_CLOSE_EVT */ 306 typedef struct { 307 BT_HDR hdr; 308 BD_ADDR peer_addr; 309 UINT8 handle; 310 } tBTA_AV_RC_CONN_CHG; 311 312 /* data type for BTA_AV_CONN_CHG_EVT */ 313 typedef struct { 314 BT_HDR hdr; 315 BD_ADDR peer_addr; 316 BOOLEAN is_up; 317 } tBTA_AV_CONN_CHG; 318 319 /* data type for BTA_AV_ROLE_CHANGE_EVT */ 320 typedef struct { 321 BT_HDR hdr; 322 UINT8 new_role; 323 UINT8 hci_status; 324 } tBTA_AV_ROLE_RES; 325 326 /* data type for BTA_AV_SDP_DISC_OK_EVT */ 327 typedef struct { 328 BT_HDR hdr; 329 UINT16 avdt_version; /* AVDTP protocol version */ 330 } tBTA_AV_SDP_RES; 331 332 /* type for SEP control block */ 333 typedef struct { 334 UINT8 av_handle; /* AVDTP handle */ 335 tBTA_AV_CODEC codec_type; /* codec type */ 336 UINT8 tsep; /* SEP type of local SEP */ 337 tBTA_AV_DATA_CBACK *p_app_data_cback; /* Application callback for media packets */ 338 } tBTA_AV_SEP; 339 340 /* data type for BTA_AV_API_SET_DELAY_VALUE_EVT */ 341 typedef struct { 342 BT_HDR hdr; 343 UINT16 delay_value; 344 } tBTA_AV_API_SET_DELAY_VALUE; 345 346 /* data type for BTA_AV_API_GET_DELAY_VALUE_EVT */ 347 typedef struct { 348 BT_HDR hdr; 349 } tBTA_AV_API_GET_DELAY_VALUE; 350 351 /* initiator/acceptor role for adaption */ 352 #define BTA_AV_ROLE_AD_INT 0x00 /* initiator */ 353 #define BTA_AV_ROLE_AD_ACP 0x01 /* acceptor */ 354 355 /* initiator/acceptor signaling roles */ 356 #define BTA_AV_ROLE_START_ACP 0x00 357 #define BTA_AV_ROLE_START_INT 0x10 /* do not change this value */ 358 359 #define BTA_AV_ROLE_SUSPEND 0x20 /* suspending on start */ 360 #define BTA_AV_ROLE_SUSPEND_OPT 0x40 /* Suspend on Start option is set */ 361 362 /* union of all event datatypes */ 363 typedef union { 364 BT_HDR hdr; 365 tBTA_AV_API_ENABLE api_enable; 366 tBTA_AV_API_REG api_reg; 367 tBTA_AV_API_OPEN api_open; 368 tBTA_AV_API_STOP api_stop; 369 tBTA_AV_API_DISCNT api_discnt; 370 tBTA_AV_API_PROTECT_REQ api_protect_req; 371 tBTA_AV_API_PROTECT_RSP api_protect_rsp; 372 tBTA_AV_API_REMOTE_CMD api_remote_cmd; 373 tBTA_AV_API_VENDOR api_vendor; 374 tBTA_AV_API_RCFG api_reconfig; 375 tBTA_AV_CI_SETCONFIG ci_setconfig; 376 tBTA_AV_STR_MSG str_msg; 377 tBTA_AV_RC_MSG rc_msg; 378 tBTA_AV_RC_CONN_CHG rc_conn_chg; 379 tBTA_AV_CONN_CHG conn_chg; 380 tBTA_AV_ROLE_RES role_res; 381 tBTA_AV_SDP_RES sdp_res; 382 tBTA_AV_API_META_RSP api_meta_rsp; 383 tBTA_AV_API_SET_DELAY_VALUE api_set_delay_vlaue; 384 tBTA_AV_API_GET_DELAY_VALUE api_get_delay_value; 385 } tBTA_AV_DATA; 386 387 typedef void (tBTA_AV_VDP_DATA_ACT)(void *p_scb); 388 389 typedef struct { 390 tBTA_AV_VDP_DATA_ACT *p_act; 391 UINT8 *p_frame; 392 UINT16 buf_size; 393 UINT32 len; 394 UINT32 offset; 395 UINT32 timestamp; 396 } tBTA_AV_VF_INFO; 397 398 typedef union { 399 tBTA_AV_VF_INFO vdp; /* used for video channels only */ 400 tBTA_AV_API_OPEN open; /* used only before open and role switch 401 is needed on another AV channel */ 402 } tBTA_AV_Q_INFO; 403 404 #define BTA_AV_Q_TAG_OPEN 0x01 /* after API_OPEN, before STR_OPENED */ 405 #define BTA_AV_Q_TAG_START 0x02 /* before start sending media packets */ 406 #define BTA_AV_Q_TAG_STREAM 0x03 /* during streaming */ 407 408 #define BTA_AV_WAIT_ACP_CAPS_ON 0x01 /* retriving the peer capabilities */ 409 #define BTA_AV_WAIT_ACP_CAPS_STARTED 0x02 /* started while retriving peer capabilities */ 410 #define BTA_AV_WAIT_ROLE_SW_RES_OPEN 0x04 /* waiting for role switch result after API_OPEN, before STR_OPENED */ 411 #define BTA_AV_WAIT_ROLE_SW_RES_START 0x08 /* waiting for role switch result before streaming */ 412 #define BTA_AV_WAIT_ROLE_SW_STARTED 0x10 /* started while waiting for role switch result */ 413 #define BTA_AV_WAIT_ROLE_SW_RETRY 0x20 /* set when retry on timeout */ 414 #define BTA_AV_WAIT_CHECK_RC 0x40 /* set when the timer is used by role switch */ 415 #define BTA_AV_WAIT_ROLE_SW_FAILED 0x80 /* role switch failed */ 416 417 #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) 418 419 /* Bitmap for collision, coll_mask */ 420 #define BTA_AV_COLL_INC_TMR 0x01 /* Timer is running for incoming L2C connection */ 421 #define BTA_AV_COLL_API_CALLED 0x02 /* API open was called while incoming timer is running */ 422 423 /* type for AV stream control block */ 424 typedef struct { 425 const tBTA_AV_ACT *p_act_tbl; /* the action table for stream state machine */ 426 const tBTA_AV_CO_FUNCTS *p_cos; /* the associated callout functions */ 427 tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */ 428 tBTA_AV_SEP seps[BTA_AV_MAX_SEPS]; 429 tAVDT_CFG *p_cap; /* buffer used for get capabilities */ 430 list_t *a2d_list; /* used for audio channels only */ 431 tBTA_AV_Q_INFO q_info; 432 tAVDT_SEP_INFO sep_info[BTA_AV_NUM_SEPS]; /* stream discovery results */ 433 tAVDT_CFG cfg; /* local SEP configuration */ 434 TIMER_LIST_ENT timer; /* delay timer for AVRC CT */ 435 BD_ADDR peer_addr; /* peer BD address */ 436 UINT16 l2c_cid; /* L2CAP channel ID */ 437 UINT16 stream_mtu; /* MTU of stream */ 438 UINT16 avdt_version; /* the avdt version of peer device */ 439 tBTA_SEC sec_mask; /* security mask */ 440 tBTA_AV_CODEC codec_type; /* codec type */ 441 UINT8 media_type; /* Media type */ 442 BOOLEAN cong; /* TRUE if AVDTP congested */ 443 tBTA_AV_STATUS open_status; /* open failure status */ 444 tBTA_AV_CHNL chnl; /* the channel: audio/video */ 445 tBTA_AV_HNDL hndl; /* the handle: ((hdi + 1)|chnl) */ 446 UINT16 cur_psc_mask; /* Protocol service capabilities mask for current connection */ 447 UINT8 avdt_handle; /* AVDTP handle */ 448 UINT8 hdi; /* the index to SCB[] */ 449 UINT8 num_seps; /* number of seps returned by stream discovery */ 450 UINT8 num_disc_snks; /* number of discovered snks */ 451 UINT8 num_disc_srcs; /* number of discovered srcs */ 452 UINT8 sep_info_idx; /* current index into sep_info */ 453 UINT8 sep_idx; /* current index into local seps[] */ 454 UINT8 rcfg_idx; /* reconfig requested index into sep_info */ 455 UINT8 state; /* state machine state */ 456 UINT8 avdt_label; /* AVDTP label */ 457 UINT8 app_id; /* application id */ 458 UINT8 num_recfg; /* number of reconfigure sent */ 459 UINT8 role; 460 UINT8 l2c_bufs; /* the number of buffers queued to L2CAP */ 461 UINT8 rc_handle; /* connected AVRCP handle */ 462 BOOLEAN use_rc; /* TRUE if AVRCP is allowed */ 463 BOOLEAN started; /* TRUE if stream started */ 464 UINT8 co_started; /* non-zero, if stream started from call-out perspective */ 465 BOOLEAN recfg_sup; /* TRUE if the first attempt to reconfigure the stream was successfull, else False if command fails */ 466 BOOLEAN suspend_sup; /* TRUE if Suspend stream is supported, else FALSE if suspend command fails */ 467 BOOLEAN deregistring; /* TRUE if deregistering */ 468 BOOLEAN sco_suspend; /* TRUE if SUSPEND is issued automatically for SCO */ 469 UINT8 coll_mask; /* Mask to check incoming and outgoing collision */ 470 tBTA_AV_API_OPEN open_api; /* Saved OPEN api message */ 471 UINT8 wait; /* set 0x1, when getting Caps as ACP, set 0x2, when started */ 472 UINT8 q_tag; /* identify the associated q_info union member */ 473 BOOLEAN no_rtp_hdr; /* TRUE if add no RTP header*/ 474 UINT8 disc_rsn; /* disconenction reason */ 475 UINT16 uuid_int; /*intended UUID of Initiator to connect to */ 476 } tBTA_AV_SCB; 477 478 #define BTA_AV_RC_ROLE_MASK 0x10 479 #define BTA_AV_RC_ROLE_INT 0x00 480 #define BTA_AV_RC_ROLE_ACP 0x10 481 482 #define BTA_AV_RC_CONN_MASK 0x20 483 484 /* type for AV RCP control block */ 485 /* index to this control block is the rc handle */ 486 typedef struct { 487 UINT8 status; 488 UINT8 handle; 489 UINT8 shdl; /* stream handle (hdi + 1) */ 490 UINT8 lidx; /* (index+1) to LCB */ 491 tBTA_AV_FEAT peer_features; /* peer features mask */ 492 UINT16 peer_ct_features; 493 UINT16 peer_tg_features; 494 } tBTA_AV_RCB; 495 #define BTA_AV_NUM_RCB (BTA_AV_NUM_STRS + 2) 496 497 enum { 498 BTA_AV_LCB_FREE, 499 BTA_AV_LCB_FIND 500 }; 501 502 /* type for AV ACL Link control block */ 503 typedef struct { 504 BD_ADDR addr; /* peer BD address */ 505 UINT8 conn_msk; /* handle mask of connected stream handle */ 506 UINT8 lidx; /* index + 1 */ 507 } tBTA_AV_LCB; 508 509 /* type for stream state machine action functions */ 510 typedef void (*tBTA_AV_SACT)(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 511 512 513 /* type for AV control block */ 514 typedef struct { 515 tBTA_AV_SCB *p_scb[BTA_AV_NUM_STRS]; /* stream control block */ 516 tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */ 517 tBTA_AV_CBACK *p_cback; /* application callback function */ 518 tBTA_AV_RCB rcb[BTA_AV_NUM_RCB]; /* RCB control block */ 519 tBTA_AV_LCB lcb[BTA_AV_NUM_LINKS + 1]; /* link control block */ 520 TIMER_LIST_ENT sig_tmr; /* link timer */ 521 TIMER_LIST_ENT acp_sig_tmr; /* timer to monitor signalling when accepting */ 522 UINT32 sdp_a2d_handle; /* SDP record handle for audio src */ 523 #if (BTA_AV_SINK_INCLUDED == TRUE) 524 UINT32 sdp_a2d_snk_handle; /* SDP record handle for audio snk */ 525 #endif 526 UINT32 sdp_vdp_handle; /* SDP record handle for video src */ 527 tBTA_AV_FEAT features; /* features mask */ 528 tBTA_SEC sec_mask; /* security mask */ 529 tBTA_AV_HNDL handle; /* the handle for SDP activity */ 530 tBTA_AVRC_CO_FUNCTS *p_rc_cos; /* AVRCP call-out functions */ 531 BOOLEAN disabling; /* TRUE if api disabled called */ 532 UINT8 disc; /* (hdi+1) or (rc_handle|BTA_AV_CHNL_MSK) if p_disc_db is in use */ 533 UINT8 state; /* state machine state */ 534 UINT8 conn_rc; /* handle mask of connected RCP channels */ 535 UINT8 conn_audio; /* handle mask of connected audio channels */ 536 UINT8 conn_video; /* handle mask of connected video channels */ 537 UINT8 conn_lcb; /* index mask of used LCBs */ 538 UINT8 audio_open_cnt; /* number of connected audio channels */ 539 UINT8 reg_audio; /* handle mask of registered audio channels */ 540 UINT8 reg_video; /* handle mask of registered video channels */ 541 UINT8 rc_acp_handle; 542 UINT8 rc_acp_idx; /* (index + 1) to RCB */ 543 UINT8 rs_idx; /* (index + 1) to SCB for the one waiting for RS on open */ 544 BOOLEAN sco_occupied; /* TRUE if SCO is being used or call is in progress */ 545 UINT8 audio_streams; /* handle mask of streaming audio channels */ 546 UINT8 video_streams; /* handle mask of streaming video channels */ 547 } tBTA_AV_CB; 548 549 /* type for dealing with SBC data frames and codec capabilities functions */ 550 typedef int (tBTA_AV_SBC_ACT)(void *p_src, void *p_dst, 551 UINT32 src_samples, UINT32 dst_samples, 552 UINT32 *p_ret); 553 554 /* type for AV up sample control block */ 555 typedef struct { 556 INT32 cur_pos; /* current position */ 557 UINT32 src_sps; /* samples per second (source audio data) */ 558 UINT32 dst_sps; /* samples per second (converted audio data) */ 559 tBTA_AV_SBC_ACT *p_act; /* the action function to do the conversion */ 560 UINT16 bits; /* number of bits per pcm sample */ 561 UINT16 n_channels; /* number of channels (i.e. mono(1), stereo(2)...) */ 562 INT16 worker1; 563 INT16 worker2; 564 UINT8 div; 565 } tBTA_AV_SBC_UPS_CB; 566 567 /***************************************************************************** 568 ** Global data 569 *****************************************************************************/ 570 /* control block declaration up sample */ 571 #if BTA_DYNAMIC_MEMORY == TRUE 572 extern tBTA_AV_SBC_UPS_CB *bta_av_sbc_ups_cb_ptr; 573 #define bta_av_sbc_ups_cb (*bta_av_sbc_ups_cb_ptr) 574 #endif 575 576 /* control block declaration */ 577 #if BTA_DYNAMIC_MEMORY == FALSE 578 extern tBTA_AV_CB bta_av_cb; 579 #else 580 extern tBTA_AV_CB *bta_av_cb_ptr; 581 #define bta_av_cb (*bta_av_cb_ptr) 582 #endif 583 584 /* config struct */ 585 extern tBTA_AV_CFG *p_bta_av_cfg; 586 587 extern const tBTA_AV_SACT bta_av_a2d_action[]; 588 extern const tBTA_AV_SACT bta_av_vdp_action[]; 589 extern tAVDT_CTRL_CBACK *const bta_av_dt_cback[]; 590 extern void bta_av_stream_data_cback(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, UINT8 m_pt); 591 592 /***************************************************************************** 593 ** Function prototypes 594 *****************************************************************************/ 595 /* utility functions */ 596 extern tBTA_AV_SCB *bta_av_hndl_to_scb(UINT16 handle); 597 extern BOOLEAN bta_av_chk_start(tBTA_AV_SCB *p_scb); 598 extern void bta_av_restore_switch (void); 599 extern UINT16 bta_av_chk_mtu(tBTA_AV_SCB *p_scb, UINT16 mtu); 600 extern void bta_av_conn_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); 601 extern UINT8 bta_av_rc_create(tBTA_AV_CB *p_cb, UINT8 role, UINT8 shdl, UINT8 lidx); 602 extern void bta_av_stream_chg(tBTA_AV_SCB *p_scb, BOOLEAN started); 603 extern BOOLEAN bta_av_is_scb_opening (tBTA_AV_SCB *p_scb); 604 extern BOOLEAN bta_av_is_scb_incoming (tBTA_AV_SCB *p_scb); 605 extern void bta_av_set_scb_sst_init (tBTA_AV_SCB *p_scb); 606 extern BOOLEAN bta_av_is_scb_init (tBTA_AV_SCB *p_scb); 607 extern void bta_av_set_scb_sst_incoming (tBTA_AV_SCB *p_scb); 608 extern tBTA_AV_LCB *bta_av_find_lcb(BD_ADDR addr, UINT8 op); 609 610 611 /* debug functions */ 612 extern char *bta_av_evt_code(UINT16 evt_code); 613 extern char *bta_av_action_code(UINT16 action_code); 614 615 /* main functions */ 616 extern void bta_av_api_deregister(tBTA_AV_DATA *p_data); 617 extern void bta_av_dup_audio_buf(tBTA_AV_SCB *p_scb, BT_HDR *p_buf); 618 extern void bta_av_sm_execute(tBTA_AV_CB *p_cb, UINT16 event, tBTA_AV_DATA *p_data); 619 extern void bta_av_ssm_execute(tBTA_AV_SCB *p_scb, UINT16 event, tBTA_AV_DATA *p_data); 620 extern BOOLEAN bta_av_hdl_event(BT_HDR *p_msg); 621 extern BOOLEAN bta_av_switch_if_needed(tBTA_AV_SCB *p_scb); 622 extern BOOLEAN bta_av_link_role_ok(tBTA_AV_SCB *p_scb, UINT8 bits); 623 extern BOOLEAN bta_av_is_rcfg_sst(tBTA_AV_SCB *p_scb); 624 625 /* nsm action functions */ 626 extern void bta_av_api_disconnect(tBTA_AV_DATA *p_data); 627 extern void bta_av_sig_chg(tBTA_AV_DATA *p_data); 628 extern void bta_av_sig_timer(tBTA_AV_DATA *p_data); 629 extern void bta_av_rc_disc_done(tBTA_AV_DATA *p_data); 630 extern void bta_av_rc_closed(tBTA_AV_DATA *p_data); 631 extern void bta_av_rc_disc(UINT8 disc); 632 extern void bta_av_conn_chg(tBTA_AV_DATA *p_data); 633 extern void bta_av_dereg_comp(tBTA_AV_DATA *p_data); 634 635 /* sm action functions */ 636 extern void bta_av_disable (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 637 extern void bta_av_rc_opened (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 638 extern void bta_av_rc_remote_cmd (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 639 extern void bta_av_rc_vendor_cmd (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 640 extern void bta_av_rc_vendor_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 641 extern void bta_av_rc_msg (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 642 extern void bta_av_rc_close (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 643 extern void bta_av_rc_meta_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 644 extern void bta_av_rc_free_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 645 extern void bta_av_rc_free_msg (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); 646 647 extern tBTA_AV_RCB *bta_av_get_rcb_by_shdl(UINT8 shdl); 648 extern void bta_av_del_rc(tBTA_AV_RCB *p_rcb); 649 650 /* ssm action functions */ 651 extern void bta_av_do_disc_a2d (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 652 extern void bta_av_cleanup (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 653 extern void bta_av_free_sdb (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 654 extern void bta_av_config_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 655 extern void bta_av_disconnect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 656 extern void bta_av_security_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 657 extern void bta_av_security_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 658 extern void bta_av_setconfig_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 659 extern void bta_av_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 660 extern void bta_av_security_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 661 extern void bta_av_security_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 662 extern void bta_av_do_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 663 extern void bta_av_connect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 664 extern void bta_av_sdp_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 665 extern void bta_av_disc_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 666 extern void bta_av_disc_res_as_acp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 667 extern void bta_av_open_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 668 extern void bta_av_getcap_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 669 extern void bta_av_setconfig_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 670 extern void bta_av_discover_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 671 extern void bta_av_conn_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 672 extern void bta_av_do_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 673 extern void bta_av_str_stopped (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 674 extern void bta_av_reconfig (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 675 extern void bta_av_data_path (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 676 extern void bta_av_start_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 677 extern void bta_av_start_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 678 extern void bta_av_str_closed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 679 extern void bta_av_clr_cong (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 680 extern void bta_av_suspend_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 681 extern void bta_av_rcfg_str_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 682 extern void bta_av_rcfg_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 683 extern void bta_av_rcfg_connect (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 684 extern void bta_av_rcfg_discntd (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 685 extern void bta_av_suspend_cont (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 686 extern void bta_av_rcfg_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 687 extern void bta_av_rcfg_open (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 688 extern void bta_av_security_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 689 extern void bta_av_open_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 690 extern void bta_av_chk_2nd_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 691 extern void bta_av_save_caps (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 692 extern void bta_av_rej_conn (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 693 extern void bta_av_rej_conn (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 694 extern void bta_av_set_use_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 695 extern void bta_av_cco_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 696 extern void bta_av_switch_role (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 697 extern void bta_av_role_res (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 698 extern void bta_av_delay_co (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 699 extern void bta_av_open_at_inc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 700 extern void bta_av_open_fail_sdp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 701 extern void bta_av_set_delay_value (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 702 703 /* ssm action functions - vdp specific */ 704 extern void bta_av_do_disc_vdp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 705 extern void bta_av_vdp_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 706 extern void bta_av_reg_vdp (tAVDT_CS *p_cs, char *p_service_name, void *p_data); 707 708 #endif ///BTA_AV_INCLUDED == TRUE 709 710 #endif /* BTA_AV_INT_H */ 711
