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 file contains action functions for advanced audio/video main state 22 * machine. 23 * 24 ******************************************************************************/ 25 26 #include "bt_target.h" 27 #if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE) 28 29 #include <string.h> 30 #include "bta_av_api.h" 31 #include "bta_av_int.h" 32 #include "avdt_api.h" 33 #include "bd.h" 34 #include "utl.h" 35 #include "l2c_api.h" 36 #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) 37 #include "bta_ar_api.h" 38 #endif 39 40 /***************************************************************************** 41 ** Constants 42 *****************************************************************************/ 43 /* the timer in milliseconds to wait for open req after setconfig for incoming connections */ 44 #ifndef BTA_AV_SIG_TIME_VAL 45 #define BTA_AV_SIG_TIME_VAL 8000 46 #endif 47 48 /* In millisec to wait for signalling from SNK when it is initiated from SNK. */ 49 /* If not, we will start signalling from SRC. */ 50 #ifndef BTA_AV_ACP_SIG_TIME_VAL 51 #define BTA_AV_ACP_SIG_TIME_VAL 2000 52 #endif 53 54 static void bta_av_acp_sig_timer_cback (TIMER_LIST_ENT *p_tle); 55 56 /******************************************************************************* 57 ** 58 ** Function bta_av_get_rcb_by_shdl 59 ** 60 ** Description find the RCB associated with the given SCB handle. 61 ** 62 ** Returns tBTA_AV_RCB 63 ** 64 *******************************************************************************/ 65 tBTA_AV_RCB * bta_av_get_rcb_by_shdl(UINT8 shdl) 66 { 67 tBTA_AV_RCB *p_rcb = NULL; 68 int i; 69 70 for (i=0; i<BTA_AV_NUM_RCB; i++) 71 { 72 if (bta_av_cb.rcb[i].shdl == shdl && bta_av_cb.rcb[i].handle != BTA_AV_RC_HANDLE_NONE) 73 { 74 p_rcb = &bta_av_cb.rcb[i]; 75 break; 76 } 77 } 78 return p_rcb; 79 } 80 #define BTA_AV_STS_NO_RSP 0xFF /* a number not used by tAVRC_STS */ 81 82 /******************************************************************************* 83 ** 84 ** Function bta_av_del_rc 85 ** 86 ** Description delete the given AVRC handle. 87 ** 88 ** Returns void 89 ** 90 *******************************************************************************/ 91 void bta_av_del_rc(tBTA_AV_RCB *p_rcb) 92 { 93 tBTA_AV_SCB *p_scb; 94 UINT8 rc_handle; /* connected AVRCP handle */ 95 96 if(p_rcb->handle != BTA_AV_RC_HANDLE_NONE) 97 { 98 if(p_rcb->shdl) 99 { 100 p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1]; 101 if(p_scb) 102 { 103 APPL_TRACE_DEBUG3("bta_av_del_rc shdl:%d, srch:%d rc_handle:%d", p_rcb->shdl, 104 p_scb->rc_handle, p_rcb->handle); 105 if(p_scb->rc_handle == p_rcb->handle) 106 p_scb->rc_handle = BTA_AV_RC_HANDLE_NONE; 107 /* just in case the RC timer is active 108 if(bta_av_cb.features & BTA_AV_FEAT_RCCT && p_scb->chnl == BTA_AV_CHNL_AUDIO) */ 109 bta_sys_stop_timer(&p_scb->timer); 110 } 111 } 112 113 APPL_TRACE_EVENT4("bta_av_del_rc handle: %d status=0x%x, rc_acp_handle:%d, idx:%d", 114 p_rcb->handle, p_rcb->status, bta_av_cb.rc_acp_handle, bta_av_cb.rc_acp_idx); 115 rc_handle = p_rcb->handle; 116 if(!(p_rcb->status & BTA_AV_RC_CONN_MASK) || 117 ((p_rcb->status & BTA_AV_RC_ROLE_MASK) == BTA_AV_RC_ROLE_INT) ) 118 { 119 p_rcb->status = 0; 120 p_rcb->handle = BTA_AV_RC_HANDLE_NONE; 121 p_rcb->shdl = 0; 122 p_rcb->lidx = 0; 123 } 124 /* else ACP && connected. do not clear the handle yet */ 125 AVRC_Close(rc_handle); 126 if (rc_handle == bta_av_cb.rc_acp_handle) 127 bta_av_cb.rc_acp_handle = BTA_AV_RC_HANDLE_NONE; 128 APPL_TRACE_EVENT4("end del_rc handle: %d status=0x%x, rc_acp_handle:%d, lidx:%d", 129 p_rcb->handle, p_rcb->status, bta_av_cb.rc_acp_handle, p_rcb->lidx); 130 } 131 } 132 133 134 /******************************************************************************* 135 ** 136 ** Function bta_av_close_all_rc 137 ** 138 ** Description close the all AVRC handle. 139 ** 140 ** Returns void 141 ** 142 *******************************************************************************/ 143 static void bta_av_close_all_rc(tBTA_AV_CB *p_cb) 144 { 145 int i; 146 147 for(i=0; i<BTA_AV_NUM_RCB; i++) 148 { 149 if ((p_cb->disabling == TRUE) || (bta_av_cb.rcb[i].shdl != 0)) 150 bta_av_del_rc(&bta_av_cb.rcb[i]); 151 } 152 } 153 154 /******************************************************************************* 155 ** 156 ** Function bta_av_del_sdp_rec 157 ** 158 ** Description delete the given SDP record handle. 159 ** 160 ** Returns void 161 ** 162 *******************************************************************************/ 163 static void bta_av_del_sdp_rec(UINT32 *p_sdp_handle) 164 { 165 if(*p_sdp_handle != 0) 166 { 167 SDP_DeleteRecord(*p_sdp_handle); 168 *p_sdp_handle = 0; 169 } 170 } 171 172 /******************************************************************************* 173 ** 174 ** Function bta_av_avrc_sdp_cback 175 ** 176 ** Description AVRCP service discovery callback. 177 ** 178 ** Returns void 179 ** 180 *******************************************************************************/ 181 static void bta_av_avrc_sdp_cback(UINT16 status) 182 { 183 BT_HDR *p_msg; 184 185 if ((p_msg = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) 186 { 187 p_msg->event = BTA_AV_SDP_AVRC_DISC_EVT; 188 bta_sys_sendmsg(p_msg); 189 } 190 } 191 192 /******************************************************************************* 193 ** 194 ** Function bta_av_rc_ctrl_cback 195 ** 196 ** Description AVRCP control callback. 197 ** 198 ** Returns void 199 ** 200 *******************************************************************************/ 201 static void bta_av_rc_ctrl_cback(UINT8 handle, UINT8 event, UINT16 result, BD_ADDR peer_addr) 202 { 203 tBTA_AV_RC_CONN_CHG *p_msg; 204 UINT16 msg_event = 0; 205 206 #if (defined(BTA_AV_MIN_DEBUG_TRACES) && BTA_AV_MIN_DEBUG_TRACES == TRUE) 207 APPL_TRACE_EVENT2("rc_ctrl handle: %d event=0x%x", handle, event); 208 #else 209 APPL_TRACE_EVENT2("bta_av_rc_ctrl_cback handle: %d event=0x%x", handle, event); 210 #endif 211 if (event == AVRC_OPEN_IND_EVT) 212 { 213 /* save handle of opened connection 214 bta_av_cb.rc_handle = handle;*/ 215 216 msg_event = BTA_AV_AVRC_OPEN_EVT; 217 } 218 else if (event == AVRC_CLOSE_IND_EVT) 219 { 220 msg_event = BTA_AV_AVRC_CLOSE_EVT; 221 } 222 223 if (msg_event) 224 { 225 if ((p_msg = (tBTA_AV_RC_CONN_CHG *) GKI_getbuf(sizeof(tBTA_AV_RC_CONN_CHG))) != NULL) 226 { 227 p_msg->hdr.event = msg_event; 228 p_msg->handle = handle; 229 if(peer_addr) 230 bdcpy(p_msg->peer_addr, peer_addr); 231 bta_sys_sendmsg(p_msg); 232 } 233 } 234 } 235 236 /******************************************************************************* 237 ** 238 ** Function bta_av_rc_msg_cback 239 ** 240 ** Description AVRCP message callback. 241 ** 242 ** Returns void 243 ** 244 *******************************************************************************/ 245 static void bta_av_rc_msg_cback(UINT8 handle, UINT8 label, UINT8 opcode, tAVRC_MSG *p_msg) 246 { 247 tBTA_AV_RC_MSG *p_buf; 248 UINT8 *p_data = NULL; 249 UINT8 **p_p_data = NULL; 250 UINT16 data_len = 0; 251 252 #if (defined(BTA_AV_MIN_DEBUG_TRACES) && BTA_AV_MIN_DEBUG_TRACES == TRUE) 253 APPL_TRACE_ERROR2("rc_msg handle: %d opcode=0x%x", handle, opcode); 254 #else 255 APPL_TRACE_EVENT2("bta_av_rc_msg_cback handle: %d opcode=0x%x", handle, opcode); 256 #endif 257 /* determine size of buffer we need */ 258 if (opcode == AVRC_OP_VENDOR && p_msg->vendor.p_vendor_data != NULL) 259 { 260 p_data = p_msg->vendor.p_vendor_data; 261 p_p_data = &p_msg->vendor.p_vendor_data; 262 data_len = (UINT16) p_msg->vendor.vendor_len; 263 } 264 else if (opcode == AVRC_OP_PASS_THRU && p_msg->pass.p_pass_data != NULL) 265 { 266 p_data = p_msg->pass.p_pass_data; 267 p_p_data = &p_msg->pass.p_pass_data; 268 data_len = (UINT16) p_msg->pass.pass_len; 269 } 270 271 if ((p_buf = (tBTA_AV_RC_MSG *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_RC_MSG) + data_len))) != NULL) 272 { 273 p_buf->hdr.event = BTA_AV_AVRC_MSG_EVT; 274 p_buf->handle = handle; 275 p_buf->label = label; 276 p_buf->opcode = opcode; 277 memcpy(&p_buf->msg, p_msg, sizeof(tAVRC_MSG)); 278 if (p_data != NULL) 279 { 280 memcpy((UINT8 *)(p_buf + 1), p_data, data_len); 281 *p_p_data = (UINT8 *)(p_buf + 1); 282 } 283 bta_sys_sendmsg(p_buf); 284 } 285 } 286 287 /******************************************************************************* 288 ** 289 ** Function bta_av_rc_create 290 ** 291 ** Description alloc RCB and call AVRC_Open 292 ** 293 ** Returns the created rc handle 294 ** 295 *******************************************************************************/ 296 UINT8 bta_av_rc_create(tBTA_AV_CB *p_cb, UINT8 role, UINT8 shdl, UINT8 lidx) 297 { 298 tAVRC_CONN_CB ccb; 299 BD_ADDR_PTR bda = (BD_ADDR_PTR)bd_addr_any; 300 UINT8 status = BTA_AV_RC_ROLE_ACP; 301 tBTA_AV_SCB *p_scb = p_cb->p_scb[shdl - 1]; 302 int i; 303 UINT8 rc_handle; 304 tBTA_AV_RCB *p_rcb; 305 306 if(role == AVCT_INT) 307 { 308 bda = p_scb->peer_addr; 309 status = BTA_AV_RC_ROLE_INT; 310 } 311 else 312 { 313 if ((p_rcb = bta_av_get_rcb_by_shdl(shdl)) != NULL ) 314 { 315 APPL_TRACE_ERROR1("bta_av_rc_create ACP handle exist for shdl:%d", shdl); 316 return p_rcb->handle; 317 } 318 } 319 320 ccb.p_ctrl_cback = bta_av_rc_ctrl_cback; 321 ccb.p_msg_cback = bta_av_rc_msg_cback; 322 ccb.company_id = p_bta_av_cfg->company_id; 323 ccb.conn = role; 324 /* note: BTA_AV_FEAT_RCTG = AVRC_CT_TARGET, BTA_AV_FEAT_RCCT = AVRC_CT_CONTROL */ 325 ccb.control = p_cb->features & (BTA_AV_FEAT_RCTG | BTA_AV_FEAT_RCCT | AVRC_CT_PASSIVE); 326 327 328 if (AVRC_Open(&rc_handle, &ccb, bda) != AVRC_SUCCESS) 329 return BTA_AV_RC_HANDLE_NONE; 330 331 i = rc_handle; 332 p_rcb = &p_cb->rcb[i]; 333 334 if (p_rcb->handle != BTA_AV_RC_HANDLE_NONE) 335 { 336 APPL_TRACE_ERROR1("bta_av_rc_create found duplicated handle:%d", rc_handle); 337 } 338 339 p_rcb->handle = rc_handle; 340 p_rcb->status = status; 341 p_rcb->shdl = shdl; 342 p_rcb->lidx = lidx; 343 p_rcb->peer_features = 0; 344 if(lidx == (BTA_AV_NUM_LINKS + 1)) 345 { 346 /* this LIDX is reserved for the AVRCP ACP connection */ 347 p_cb->rc_acp_handle = p_rcb->handle; 348 p_cb->rc_acp_idx = (i + 1); 349 APPL_TRACE_DEBUG2("rc_acp_handle:%d idx:%d", p_cb->rc_acp_handle, p_cb->rc_acp_idx); 350 } 351 APPL_TRACE_DEBUG6("create %d, role: %d, shdl:%d, rc_handle:%d, lidx:%d, status:0x%x", 352 i, role, shdl, p_rcb->handle, lidx, p_rcb->status); 353 354 return rc_handle; 355 } 356 357 /******************************************************************************* 358 ** 359 ** Function bta_av_valid_group_navi_msg 360 ** 361 ** Description Check if it is Group Navigation Msg for Metadata 362 ** 363 ** Returns BTA_AV_RSP_ACCEPT or BTA_AV_RSP_NOT_IMPL. 364 ** 365 *******************************************************************************/ 366 static tBTA_AV_CODE bta_av_group_navi_supported(UINT8 len, UINT8 *p_data, BOOLEAN is_inquiry) 367 { 368 tBTA_AV_CODE ret=BTA_AV_RSP_NOT_IMPL; 369 UINT8 *p_ptr = p_data; 370 UINT16 u16; 371 UINT32 u32; 372 373 if (p_bta_av_cfg->avrc_group && len == BTA_GROUP_NAVI_MSG_OP_DATA_LEN) 374 { 375 BTA_AV_BE_STREAM_TO_CO_ID(u32, p_ptr); 376 BE_STREAM_TO_UINT16(u16, p_ptr); 377 378 if (u32 == AVRC_CO_METADATA) 379 { 380 if (is_inquiry) 381 { 382 if (u16 <= AVRC_PDU_PREV_GROUP) 383 ret = BTA_AV_RSP_IMPL_STBL; 384 } 385 else 386 { 387 if (u16 <= AVRC_PDU_PREV_GROUP) 388 ret = BTA_AV_RSP_ACCEPT; 389 else 390 ret = BTA_AV_RSP_REJ; 391 } 392 } 393 } 394 395 return ret; 396 } 397 398 /******************************************************************************* 399 ** 400 ** Function bta_av_op_supported 401 ** 402 ** Description Check if remote control operation is supported. 403 ** 404 ** Returns BTA_AV_RSP_ACCEPT of supported, BTA_AV_RSP_NOT_IMPL if not. 405 ** 406 *******************************************************************************/ 407 static tBTA_AV_CODE bta_av_op_supported(tBTA_AV_RC rc_id, BOOLEAN is_inquiry) 408 { 409 tBTA_AV_CODE ret_code = BTA_AV_RSP_NOT_IMPL; 410 411 if (p_bta_av_rc_id) 412 { 413 if (is_inquiry) 414 { 415 if (p_bta_av_rc_id[rc_id >> 4] & (1 << (rc_id & 0x0F))) 416 { 417 ret_code = BTA_AV_RSP_IMPL_STBL; 418 } 419 } 420 else 421 { 422 if (p_bta_av_rc_id[rc_id >> 4] & (1 << (rc_id & 0x0F))) 423 { 424 ret_code = BTA_AV_RSP_ACCEPT; 425 } 426 else if ((p_bta_av_cfg->rc_pass_rsp == BTA_AV_RSP_INTERIM) && p_bta_av_rc_id_ac) 427 { 428 if (p_bta_av_rc_id_ac[rc_id >> 4] & (1 << (rc_id & 0x0F))) 429 { 430 ret_code = BTA_AV_RSP_INTERIM; 431 } 432 } 433 } 434 435 } 436 return ret_code; 437 } 438 439 /******************************************************************************* 440 ** 441 ** Function bta_av_find_lcb 442 ** 443 ** Description Given BD_addr, find the associated LCB. 444 ** 445 ** Returns NULL, if not found. 446 ** 447 *******************************************************************************/ 448 tBTA_AV_LCB * bta_av_find_lcb(BD_ADDR addr, UINT8 op) 449 { 450 tBTA_AV_CB *p_cb = &bta_av_cb; 451 int xx; 452 UINT8 mask; 453 tBTA_AV_LCB *p_lcb = NULL; 454 455 for(xx=0; xx<BTA_AV_NUM_LINKS; xx++) 456 { 457 mask = 1 << xx; /* the used mask for this lcb */ 458 if((mask & p_cb->conn_lcb) && 0 ==( bdcmp(p_cb->lcb[xx].addr, addr))) 459 { 460 p_lcb = &p_cb->lcb[xx]; 461 if(op == BTA_AV_LCB_FREE) 462 { 463 p_cb->conn_lcb &= ~mask; /* clear the connect mask */ 464 APPL_TRACE_DEBUG1("conn_lcb: 0x%x", p_cb->conn_lcb); 465 } 466 break; 467 } 468 } 469 return p_lcb; 470 } 471 472 /******************************************************************************* 473 ** 474 ** Function bta_av_rc_opened 475 ** 476 ** Description Set AVRCP state to opened. 477 ** 478 ** Returns void 479 ** 480 *******************************************************************************/ 481 void bta_av_rc_opened(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 482 { 483 tBTA_AV_RC_OPEN rc_open; 484 tBTA_AV_SCB *p_scb; 485 int i; 486 UINT8 shdl = 0; 487 tBTA_AV_LCB *p_lcb; 488 tBTA_AV_RCB *p_rcb; 489 UINT8 tmp; 490 UINT8 disc = 0; 491 492 /* find the SCB & stop the timer */ 493 for(i=0; i<BTA_AV_NUM_STRS; i++) 494 { 495 p_scb = p_cb->p_scb[i]; 496 if(p_scb && bdcmp(p_scb->peer_addr, p_data->rc_conn_chg.peer_addr) == 0) 497 { 498 p_scb->rc_handle = p_data->rc_conn_chg.handle; 499 APPL_TRACE_DEBUG2("bta_av_rc_opened shdl:%d, srch %d", i + 1, p_scb->rc_handle); 500 shdl = i+1; 501 APPL_TRACE_ERROR1("use_rc:%d", p_scb->use_rc); 502 bta_sys_stop_timer(&p_scb->timer); 503 disc = p_scb->hndl; 504 break; 505 } 506 } 507 508 i = p_data->rc_conn_chg.handle; 509 if (p_cb->rcb[i].handle == BTA_AV_RC_HANDLE_NONE) 510 { 511 APPL_TRACE_ERROR1("not a valid handle:%d any more", i); 512 return; 513 } 514 515 516 if (p_cb->rcb[i].lidx == (BTA_AV_NUM_LINKS + 1) && shdl != 0) 517 { 518 /* rc is opened on the RC only ACP channel, but is for a specific 519 * SCB -> need to switch RCBs */ 520 p_rcb = bta_av_get_rcb_by_shdl(shdl); 521 if (p_rcb) 522 { 523 p_rcb->shdl = p_cb->rcb[i].shdl; 524 tmp = p_rcb->lidx; 525 p_rcb->lidx = p_cb->rcb[i].lidx; 526 p_cb->rcb[i].lidx = tmp; 527 p_cb->rc_acp_handle = p_rcb->handle; 528 p_cb->rc_acp_idx = (p_rcb - p_cb->rcb) + 1; 529 APPL_TRACE_DEBUG2("switching RCB rc_acp_handle:%d idx:%d", 530 p_cb->rc_acp_handle, p_cb->rc_acp_idx); 531 } 532 } 533 534 p_cb->rcb[i].shdl = shdl; 535 rc_open.rc_handle = i; 536 APPL_TRACE_ERROR4("bta_av_rc_opened rcb[%d] shdl:%d lidx:%d/%d", 537 i, shdl, p_cb->rcb[i].lidx, p_cb->lcb[BTA_AV_NUM_LINKS].lidx); 538 p_cb->rcb[i].status |= BTA_AV_RC_CONN_MASK; 539 540 if(!shdl && 0 == p_cb->lcb[BTA_AV_NUM_LINKS].lidx) 541 { 542 /* no associated SCB -> connected to an RC only device 543 * update the index to the extra LCB */ 544 p_lcb = &p_cb->lcb[BTA_AV_NUM_LINKS]; 545 bdcpy(p_lcb->addr, p_data->rc_conn_chg.peer_addr); 546 APPL_TRACE_DEBUG6("rc_only bd_addr:%02x-%02x-%02x-%02x-%02x-%02x", 547 p_lcb->addr[0], p_lcb->addr[1], 548 p_lcb->addr[2], p_lcb->addr[3], 549 p_lcb->addr[4], p_lcb->addr[5]); 550 p_lcb->lidx = BTA_AV_NUM_LINKS + 1; 551 p_cb->rcb[i].lidx = p_lcb->lidx; 552 p_lcb->conn_msk = 1; 553 APPL_TRACE_ERROR3("rcb[%d].lidx=%d, lcb.conn_msk=x%x", 554 i, p_cb->rcb[i].lidx, p_lcb->conn_msk); 555 disc = p_data->rc_conn_chg.handle|BTA_AV_CHNL_MSK; 556 } 557 558 bdcpy(rc_open.peer_addr, p_data->rc_conn_chg.peer_addr); 559 rc_open.peer_features = p_cb->rcb[i].peer_features; 560 rc_open.status = BTA_AV_SUCCESS; 561 APPL_TRACE_DEBUG2("local features:x%x peer_features:x%x", p_cb->features, 562 rc_open.peer_features); 563 if(rc_open.peer_features == 0) 564 { 565 /* we have not done SDP on peer RC capabilities. 566 * peer must have initiated the RC connection */ 567 rc_open.peer_features = BTA_AV_FEAT_RCCT; 568 bta_av_rc_disc(disc); 569 } 570 (*p_cb->p_cback)(BTA_AV_RC_OPEN_EVT, (tBTA_AV *) &rc_open); 571 572 } 573 574 575 /******************************************************************************* 576 ** 577 ** Function bta_av_rc_remote_cmd 578 ** 579 ** Description Send an AVRCP remote control command. 580 ** 581 ** Returns void 582 ** 583 *******************************************************************************/ 584 void bta_av_rc_remote_cmd(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 585 { 586 tBTA_AV_RCB *p_rcb; 587 if (p_cb->features & BTA_AV_FEAT_RCCT) 588 { 589 if(p_data->hdr.layer_specific < BTA_AV_NUM_RCB) 590 { 591 p_rcb = &p_cb->rcb[p_data->hdr.layer_specific]; 592 if(p_rcb->status & BTA_AV_RC_CONN_MASK) 593 { 594 AVRC_PassCmd(p_rcb->handle, p_data->api_remote_cmd.label, 595 &p_data->api_remote_cmd.msg); 596 } 597 } 598 } 599 } 600 601 /******************************************************************************* 602 ** 603 ** Function bta_av_rc_vendor_cmd 604 ** 605 ** Description Send an AVRCP vendor specific command. 606 ** 607 ** Returns void 608 ** 609 *******************************************************************************/ 610 void bta_av_rc_vendor_cmd(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 611 { 612 tBTA_AV_RCB *p_rcb; 613 if ( (p_cb->features & (BTA_AV_FEAT_RCCT | BTA_AV_FEAT_VENDOR)) == 614 (BTA_AV_FEAT_RCCT | BTA_AV_FEAT_VENDOR)) 615 { 616 if(p_data->hdr.layer_specific < BTA_AV_NUM_RCB) 617 { 618 p_rcb = &p_cb->rcb[p_data->hdr.layer_specific]; 619 AVRC_VendorCmd(p_rcb->handle, p_data->api_vendor.label, &p_data->api_vendor.msg); 620 } 621 } 622 } 623 624 /******************************************************************************* 625 ** 626 ** Function bta_av_rc_vendor_rsp 627 ** 628 ** Description Send an AVRCP vendor specific response. 629 ** 630 ** Returns void 631 ** 632 *******************************************************************************/ 633 void bta_av_rc_vendor_rsp(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 634 { 635 tBTA_AV_RCB *p_rcb; 636 if ( (p_cb->features & (BTA_AV_FEAT_RCTG | BTA_AV_FEAT_VENDOR)) == 637 (BTA_AV_FEAT_RCTG | BTA_AV_FEAT_VENDOR)) 638 { 639 if(p_data->hdr.layer_specific < BTA_AV_NUM_RCB) 640 { 641 p_rcb = &p_cb->rcb[p_data->hdr.layer_specific]; 642 AVRC_VendorRsp(p_rcb->handle, p_data->api_vendor.label, &p_data->api_vendor.msg); 643 } 644 } 645 } 646 647 /******************************************************************************* 648 ** 649 ** Function bta_av_rc_meta_rsp 650 ** 651 ** Description Send an AVRCP metadata/advanced control command/response. 652 ** 653 ** Returns void 654 ** 655 *******************************************************************************/ 656 void bta_av_rc_meta_rsp(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 657 { 658 tBTA_AV_RCB *p_rcb; 659 BOOLEAN free = TRUE; 660 661 if ((p_cb->features & BTA_AV_FEAT_METADATA) && (p_data->hdr.layer_specific < BTA_AV_NUM_RCB)) 662 { 663 if ((p_data->api_meta_rsp.is_rsp && (p_cb->features & BTA_AV_FEAT_RCTG)) || 664 (!p_data->api_meta_rsp.is_rsp && (p_cb->features & BTA_AV_FEAT_RCCT)) ) 665 { 666 p_rcb = &p_cb->rcb[p_data->hdr.layer_specific]; 667 AVRC_MsgReq(p_rcb->handle, p_data->api_meta_rsp.label, p_data->api_meta_rsp.rsp_code, 668 p_data->api_meta_rsp.p_pkt); 669 free = FALSE; 670 } 671 } 672 673 if (free) 674 GKI_freebuf (p_data->api_meta_rsp.p_pkt); 675 } 676 677 /******************************************************************************* 678 ** 679 ** Function bta_av_rc_free_rsp 680 ** 681 ** Description free an AVRCP metadata command buffer. 682 ** 683 ** Returns void 684 ** 685 *******************************************************************************/ 686 void bta_av_rc_free_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 687 { 688 GKI_freebuf (p_data->api_meta_rsp.p_pkt); 689 } 690 691 /******************************************************************************* 692 ** 693 ** Function bta_av_rc_meta_req 694 ** 695 ** Description Send an AVRCP metadata command. 696 ** 697 ** Returns void 698 ** 699 *******************************************************************************/ 700 void bta_av_rc_free_msg (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 701 { 702 } 703 704 705 706 /******************************************************************************* 707 ** 708 ** Function bta_av_chk_notif_evt_id 709 ** 710 ** Description make sure the requested player id is valid. 711 ** 712 ** Returns BTA_AV_STS_NO_RSP, if no error 713 ** 714 *******************************************************************************/ 715 static tAVRC_STS bta_av_chk_notif_evt_id(tAVRC_MSG_VENDOR *p_vendor) 716 { 717 tAVRC_STS status = BTA_AV_STS_NO_RSP; 718 UINT8 xx; 719 UINT16 u16; 720 UINT8 *p = p_vendor->p_vendor_data + 2; 721 722 BE_STREAM_TO_UINT16 (u16, p); 723 /* double check the fixed length */ 724 if ((u16 != 5) || (p_vendor->vendor_len != 9)) 725 { 726 status = AVRC_STS_INTERNAL_ERR; 727 } 728 else 729 { 730 /* make sure the player_id is valid */ 731 for (xx=0; xx<p_bta_av_cfg->num_evt_ids; xx++) 732 { 733 if (*p == p_bta_av_cfg->p_meta_evt_ids[xx]) 734 { 735 break; 736 } 737 } 738 if (xx == p_bta_av_cfg->num_evt_ids) 739 { 740 status = AVRC_STS_BAD_PARAM; 741 } 742 } 743 744 return status; 745 } 746 747 /******************************************************************************* 748 ** 749 ** Function bta_av_proc_meta_cmd 750 ** 751 ** Description Process an AVRCP metadata command from the peer. 752 ** 753 ** Returns TRUE to respond immediately 754 ** 755 *******************************************************************************/ 756 tBTA_AV_EVT bta_av_proc_meta_cmd(tAVRC_RESPONSE *p_rc_rsp, tBTA_AV_RC_MSG *p_msg, UINT8 *p_ctype) 757 { 758 tBTA_AV_EVT evt = BTA_AV_META_MSG_EVT; 759 UINT8 u8, pdu, *p; 760 UINT16 u16; 761 tAVRC_MSG_VENDOR *p_vendor = &p_msg->msg.vendor; 762 763 #if (AVRC_METADATA_INCLUDED == TRUE) 764 765 pdu = *(p_vendor->p_vendor_data); 766 p_rc_rsp->pdu = pdu; 767 *p_ctype = AVRC_RSP_REJ; 768 /* Metadata messages only use PANEL sub-unit type */ 769 if (p_vendor->hdr.subunit_type != AVRC_SUB_PANEL) 770 { 771 APPL_TRACE_DEBUG0("SUBUNIT must be PANEL"); 772 /* reject it */ 773 evt=0; 774 p_vendor->hdr.ctype = BTA_AV_RSP_NOT_IMPL; 775 AVRC_VendorRsp(p_msg->handle, p_msg->label, &p_msg->msg.vendor); 776 } 777 else if (!AVRC_IsValidAvcType(pdu, p_vendor->hdr.ctype) ) 778 { 779 APPL_TRACE_DEBUG2("Invalid pdu/ctype: 0x%x, %d", pdu, p_vendor->hdr.ctype); 780 /* reject invalid message without reporting to app */ 781 evt = 0; 782 p_rc_rsp->rsp.status = AVRC_STS_BAD_CMD; 783 } 784 else 785 { 786 switch (pdu) 787 { 788 case AVRC_PDU_GET_CAPABILITIES: 789 /* process GetCapabilities command without reporting the event to app */ 790 evt = 0; 791 u8 = *(p_vendor->p_vendor_data + 4); 792 p = p_vendor->p_vendor_data + 2; 793 p_rc_rsp->get_caps.capability_id = u8; 794 BE_STREAM_TO_UINT16 (u16, p); 795 if ((u16 != 1) || (p_vendor->vendor_len != 5)) 796 { 797 p_rc_rsp->get_caps.status = AVRC_STS_INTERNAL_ERR; 798 } 799 else 800 { 801 p_rc_rsp->get_caps.status = AVRC_STS_NO_ERROR; 802 if (u8 == AVRC_CAP_COMPANY_ID) 803 { 804 *p_ctype = AVRC_RSP_IMPL_STBL; 805 p_rc_rsp->get_caps.count = p_bta_av_cfg->num_co_ids; 806 memcpy(p_rc_rsp->get_caps.param.company_id, p_bta_av_cfg->p_meta_co_ids, 807 (p_bta_av_cfg->num_co_ids << 2)); 808 } 809 else if (u8 == AVRC_CAP_EVENTS_SUPPORTED) 810 { 811 *p_ctype = AVRC_RSP_IMPL_STBL; 812 p_rc_rsp->get_caps.count = p_bta_av_cfg->num_evt_ids; 813 memcpy(p_rc_rsp->get_caps.param.event_id, p_bta_av_cfg->p_meta_evt_ids, 814 p_bta_av_cfg->num_evt_ids); 815 } 816 else 817 { 818 APPL_TRACE_DEBUG1("Invalid capability ID: 0x%x", u8); 819 /* reject - unknown capability ID */ 820 p_rc_rsp->get_caps.status = AVRC_STS_BAD_PARAM; 821 } 822 } 823 break; 824 825 826 case AVRC_PDU_REGISTER_NOTIFICATION: 827 /* make sure the event_id is implemented */ 828 p_rc_rsp->rsp.status = bta_av_chk_notif_evt_id (p_vendor); 829 if (p_rc_rsp->rsp.status != BTA_AV_STS_NO_RSP) 830 evt = 0; 831 break; 832 833 } 834 } 835 #else 836 APPL_TRACE_DEBUG0("AVRCP 1.3 Metadata not supporteed. Reject command."); 837 /* reject invalid message without reporting to app */ 838 evt = 0; 839 p_rc_rsp->rsp.status = AVRC_STS_BAD_CMD; 840 #endif 841 842 return evt; 843 } 844 845 846 /******************************************************************************* 847 ** 848 ** Function bta_av_rc_msg 849 ** 850 ** Description Process an AVRCP message from the peer. 851 ** 852 ** Returns void 853 ** 854 *******************************************************************************/ 855 void bta_av_rc_msg(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 856 { 857 tBTA_AV_EVT evt = 0; 858 tBTA_AV av; 859 BT_HDR *p_pkt = NULL; 860 tAVRC_MSG_VENDOR *p_vendor = &p_data->rc_msg.msg.vendor; 861 BOOLEAN is_inquiry = ((p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_SPEC_INQ) || p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_GEN_INQ); 862 #if (AVRC_METADATA_INCLUDED == TRUE) 863 tAVRC_STS res; 864 UINT8 ctype; 865 tAVRC_RESPONSE rc_rsp; 866 867 rc_rsp.rsp.status = BTA_AV_STS_NO_RSP; 868 #endif 869 870 if (p_data->rc_msg.opcode == AVRC_OP_PASS_THRU) 871 { 872 /* if this is a pass thru command */ 873 if ((p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_CTRL) || 874 (p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_SPEC_INQ) || 875 (p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_GEN_INQ) 876 ) 877 { 878 /* check if operation is supported */ 879 if (p_data->rc_msg.msg.pass.op_id == AVRC_ID_VENDOR) 880 { 881 p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_NOT_IMPL; 882 #if (AVRC_METADATA_INCLUDED == TRUE) 883 if (p_cb->features & BTA_AV_FEAT_METADATA) 884 p_data->rc_msg.msg.hdr.ctype = 885 bta_av_group_navi_supported(p_data->rc_msg.msg.pass.pass_len, 886 p_data->rc_msg.msg.pass.p_pass_data, is_inquiry); 887 #endif 888 } 889 else 890 { 891 p_data->rc_msg.msg.hdr.ctype = bta_av_op_supported(p_data->rc_msg.msg.pass.op_id, is_inquiry); 892 } 893 894 APPL_TRACE_DEBUG1("ctype %d",p_data->rc_msg.msg.hdr.ctype) 895 896 /* send response */ 897 if (p_data->rc_msg.msg.hdr.ctype != BTA_AV_RSP_INTERIM) 898 AVRC_PassRsp(p_data->rc_msg.handle, p_data->rc_msg.label, &p_data->rc_msg.msg.pass); 899 900 /* set up for callback if supported */ 901 if (p_data->rc_msg.msg.hdr.ctype == BTA_AV_RSP_ACCEPT || p_data->rc_msg.msg.hdr.ctype == BTA_AV_RSP_INTERIM) 902 { 903 evt = BTA_AV_REMOTE_CMD_EVT; 904 av.remote_cmd.rc_id = p_data->rc_msg.msg.pass.op_id; 905 av.remote_cmd.key_state = p_data->rc_msg.msg.pass.state; 906 av.remote_cmd.p_data = p_data->rc_msg.msg.pass.p_pass_data; 907 av.remote_cmd.len = p_data->rc_msg.msg.pass.pass_len; 908 memcpy(&av.remote_cmd.hdr, &p_data->rc_msg.msg.hdr, sizeof (tAVRC_HDR)); 909 av.remote_cmd.label = p_data->rc_msg.label; 910 } 911 } 912 /* else if this is a pass thru response */ 913 else if (p_data->rc_msg.msg.hdr.ctype >= AVRC_RSP_ACCEPT) 914 { 915 /* set up for callback */ 916 evt = BTA_AV_REMOTE_RSP_EVT; 917 av.remote_rsp.rc_id = p_data->rc_msg.msg.pass.op_id; 918 av.remote_rsp.key_state = p_data->rc_msg.msg.pass.state; 919 av.remote_rsp.rsp_code = p_data->rc_msg.msg.hdr.ctype; 920 av.remote_rsp.label = p_data->rc_msg.label; 921 } 922 /* must be a bad ctype -> reject*/ 923 else 924 { 925 p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_REJ; 926 AVRC_PassRsp(p_data->rc_msg.handle, p_data->rc_msg.label, &p_data->rc_msg.msg.pass); 927 } 928 } 929 /* else if this is a vendor specific command or response */ 930 else if (p_data->rc_msg.opcode == AVRC_OP_VENDOR) 931 { 932 /* set up for callback */ 933 av.vendor_cmd.code = p_data->rc_msg.msg.hdr.ctype; 934 av.vendor_cmd.company_id = p_vendor->company_id; 935 av.vendor_cmd.label = p_data->rc_msg.label; 936 av.vendor_cmd.p_data = p_vendor->p_vendor_data; 937 av.vendor_cmd.len = p_vendor->vendor_len; 938 939 /* if configured to support vendor specific and it's a command */ 940 if ((p_cb->features & BTA_AV_FEAT_VENDOR) && 941 p_data->rc_msg.msg.hdr.ctype <= AVRC_CMD_GEN_INQ) 942 { 943 #if (AVRC_METADATA_INCLUDED == TRUE) 944 if ((p_cb->features & BTA_AV_FEAT_METADATA) && 945 (p_vendor->company_id == AVRC_CO_METADATA)) 946 { 947 av.meta_msg.p_msg = &p_data->rc_msg.msg; 948 evt = bta_av_proc_meta_cmd (&rc_rsp, &p_data->rc_msg, &ctype); 949 } 950 else 951 #endif 952 evt = BTA_AV_VENDOR_CMD_EVT; 953 } 954 /* else if configured to support vendor specific and it's a response */ 955 else if ((p_cb->features & BTA_AV_FEAT_VENDOR) && 956 p_data->rc_msg.msg.hdr.ctype >= AVRC_RSP_ACCEPT) 957 { 958 #if (AVRC_METADATA_INCLUDED == TRUE) 959 if ((p_cb->features & BTA_AV_FEAT_METADATA) && 960 (p_vendor->company_id == AVRC_CO_METADATA)) 961 { 962 av.meta_msg.p_msg = &p_data->rc_msg.msg; 963 evt = BTA_AV_META_MSG_EVT; 964 } 965 else 966 #endif 967 evt = BTA_AV_VENDOR_RSP_EVT; 968 969 } 970 /* else if not configured to support vendor specific and it's a command */ 971 else if (!(p_cb->features & BTA_AV_FEAT_VENDOR) && 972 p_data->rc_msg.msg.hdr.ctype <= AVRC_CMD_GEN_INQ) 973 { 974 if(p_data->rc_msg.msg.vendor.p_vendor_data[0] == AVRC_PDU_INVALID) 975 { 976 /* reject it */ 977 p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_REJ; 978 p_data->rc_msg.msg.vendor.p_vendor_data[4] = AVRC_STS_BAD_CMD; 979 } 980 else 981 p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_NOT_IMPL; 982 AVRC_VendorRsp(p_data->rc_msg.handle, p_data->rc_msg.label, &p_data->rc_msg.msg.vendor); 983 } 984 } 985 #if (AVRC_METADATA_INCLUDED == TRUE) 986 if (evt == 0 && rc_rsp.rsp.status != BTA_AV_STS_NO_RSP) 987 { 988 if (!p_pkt) 989 { 990 rc_rsp.rsp.opcode = p_data->rc_msg.opcode; 991 res = AVRC_BldResponse (0, &rc_rsp, &p_pkt); 992 } 993 if (p_pkt) 994 AVRC_MsgReq (p_data->rc_msg.handle, p_data->rc_msg.label, ctype, p_pkt); 995 } 996 #endif 997 998 /* call callback */ 999 if (evt != 0) 1000 { 1001 av.remote_cmd.rc_handle = p_data->rc_msg.handle; 1002 (*p_cb->p_cback)(evt, &av); 1003 } 1004 } 1005 1006 /******************************************************************************* 1007 ** 1008 ** Function bta_av_rc_close 1009 ** 1010 ** Description close the specified AVRC handle. 1011 ** 1012 ** Returns void 1013 ** 1014 *******************************************************************************/ 1015 void bta_av_rc_close (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 1016 { 1017 UINT16 handle = p_data->hdr.layer_specific; 1018 tBTA_AV_SCB *p_scb; 1019 tBTA_AV_RCB *p_rcb; 1020 1021 if(handle < BTA_AV_NUM_RCB) 1022 { 1023 p_rcb = &p_cb->rcb[handle]; 1024 1025 APPL_TRACE_DEBUG2("bta_av_rc_close handle: %d, status=0x%x", p_rcb->handle, p_rcb->status); 1026 if(p_rcb->handle != BTA_AV_RC_HANDLE_NONE) 1027 { 1028 if(p_rcb->shdl) 1029 { 1030 p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1]; 1031 if(p_scb) 1032 { 1033 /* just in case the RC timer is active 1034 if(bta_av_cb.features & BTA_AV_FEAT_RCCT && 1035 p_scb->chnl == BTA_AV_CHNL_AUDIO) */ 1036 bta_sys_stop_timer(&p_scb->timer); 1037 } 1038 } 1039 1040 AVRC_Close(p_rcb->handle); 1041 } 1042 } 1043 } 1044 1045 /******************************************************************************* 1046 ** 1047 ** Function bta_av_get_shdl 1048 ** 1049 ** Returns The index to p_scb[] 1050 ** 1051 *******************************************************************************/ 1052 static UINT8 bta_av_get_shdl(tBTA_AV_SCB *p_scb) 1053 { 1054 int i; 1055 UINT8 shdl = 0; 1056 /* find the SCB & stop the timer */ 1057 for(i=0; i<BTA_AV_NUM_STRS; i++) 1058 { 1059 if(p_scb == bta_av_cb.p_scb[i]) 1060 { 1061 shdl = i+1; 1062 break; 1063 } 1064 } 1065 return shdl; 1066 } 1067 1068 /******************************************************************************* 1069 ** 1070 ** Function bta_av_stream_chg 1071 ** 1072 ** Description audio streaming status changed. 1073 ** 1074 ** Returns void 1075 ** 1076 *******************************************************************************/ 1077 void bta_av_stream_chg(tBTA_AV_SCB *p_scb, BOOLEAN started) 1078 { 1079 UINT8 started_msk; 1080 int i; 1081 UINT8 *p_streams; 1082 BOOLEAN no_streams = FALSE; 1083 tBTA_AV_SCB *p_scbi; 1084 1085 started_msk = BTA_AV_HNDL_TO_MSK(p_scb->hdi); 1086 APPL_TRACE_DEBUG3 ("bta_av_stream_chg started:%d started_msk:x%x chnl:x%x", started, 1087 started_msk, p_scb->chnl); 1088 if (BTA_AV_CHNL_AUDIO == p_scb->chnl) 1089 p_streams = &bta_av_cb.audio_streams; 1090 else 1091 p_streams = &bta_av_cb.video_streams; 1092 1093 if (started) 1094 { 1095 /* Let L2CAP know this channel is processed with high priority */ 1096 L2CA_SetAclPriority(p_scb->peer_addr, L2CAP_PRIORITY_HIGH); 1097 (*p_streams) |= started_msk; 1098 } 1099 else 1100 { 1101 (*p_streams) &= ~started_msk; 1102 } 1103 1104 if (!started) 1105 { 1106 i=0; 1107 if (BTA_AV_CHNL_AUDIO == p_scb->chnl) 1108 { 1109 if (bta_av_cb.video_streams == 0) 1110 no_streams = TRUE; 1111 } 1112 else 1113 { 1114 no_streams = TRUE; 1115 if ( bta_av_cb.audio_streams ) 1116 { 1117 for (; i<BTA_AV_NUM_STRS; i++) 1118 { 1119 p_scbi = bta_av_cb.p_scb[i]; 1120 /* scb is used and started */ 1121 if ( p_scbi && (bta_av_cb.audio_streams & BTA_AV_HNDL_TO_MSK(i)) 1122 && bdcmp(p_scbi->peer_addr, p_scb->peer_addr) == 0) 1123 { 1124 no_streams = FALSE; 1125 break; 1126 } 1127 } 1128 1129 } 1130 } 1131 1132 APPL_TRACE_DEBUG4 ("no_streams:%d i:%d, audio_streams:x%x, video_streams:x%x", no_streams, i, 1133 bta_av_cb.audio_streams, bta_av_cb.video_streams); 1134 if (no_streams) 1135 { 1136 /* Let L2CAP know this channel is processed with low priority */ 1137 L2CA_SetAclPriority(p_scb->peer_addr, L2CAP_PRIORITY_NORMAL); 1138 } 1139 } 1140 } 1141 1142 1143 /******************************************************************************* 1144 ** 1145 ** Function bta_av_conn_chg 1146 ** 1147 ** Description connetion status changed. 1148 ** Open an AVRCP acceptor channel, if new conn. 1149 ** 1150 ** Returns void 1151 ** 1152 *******************************************************************************/ 1153 void bta_av_conn_chg(tBTA_AV_DATA *p_data) 1154 { 1155 tBTA_AV_CB *p_cb = &bta_av_cb; 1156 tBTA_AV_SCB *p_scb; 1157 tBTA_AV_SCB *p_scbi; 1158 UINT8 mask; 1159 UINT8 conn_msk; 1160 UINT8 old_msk; 1161 int i; 1162 int index = (p_data->hdr.layer_specific & BTA_AV_HNDL_MSK) - 1; 1163 tBTA_AV_LCB *p_lcb; 1164 tBTA_AV_LCB *p_lcb_rc; 1165 tBTA_AV_RCB *p_rcb, *p_rcb2; 1166 BOOLEAN chk_restore = FALSE; 1167 1168 p_scb = p_cb->p_scb[index]; 1169 1170 mask = BTA_AV_HNDL_TO_MSK(index); 1171 p_lcb = bta_av_find_lcb(p_data->conn_chg.peer_addr, BTA_AV_LCB_FIND); 1172 conn_msk = 1 << (index + 1); 1173 if(p_data->conn_chg.is_up) 1174 { 1175 /* set the conned mask for this channel */ 1176 if(p_scb) 1177 { 1178 if(p_lcb) 1179 { 1180 p_lcb->conn_msk |= conn_msk; 1181 for (i=0; i<BTA_AV_NUM_RCB; i++) 1182 { 1183 if (bta_av_cb.rcb[i].lidx == p_lcb->lidx) 1184 { 1185 bta_av_cb.rcb[i].shdl = index + 1; 1186 APPL_TRACE_DEBUG5("conn_chg up[%d]: %d, status=0x%x, shdl:%d, lidx:%d", i, 1187 bta_av_cb.rcb[i].handle, bta_av_cb.rcb[i].status, 1188 bta_av_cb.rcb[i].shdl, bta_av_cb.rcb[i].lidx); 1189 break; 1190 } 1191 } 1192 } 1193 if (p_scb->chnl == BTA_AV_CHNL_AUDIO) 1194 { 1195 old_msk = p_cb->conn_audio; 1196 p_cb->conn_audio |= mask; 1197 } 1198 else 1199 { 1200 old_msk = p_cb->conn_video; 1201 p_cb->conn_video |= mask; 1202 } 1203 1204 if ((old_msk & mask) == 0) 1205 { 1206 /* increase the audio open count, if not set yet */ 1207 bta_av_cb.audio_open_cnt++; 1208 } 1209 1210 1211 APPL_TRACE_DEBUG2("rc_acp_handle:%d rc_acp_idx:%d", p_cb->rc_acp_handle, p_cb->rc_acp_idx); 1212 /* check if the AVRCP ACP channel is already connected */ 1213 if(p_lcb && p_cb->rc_acp_handle != BTA_AV_RC_HANDLE_NONE && p_cb->rc_acp_idx) 1214 { 1215 p_lcb_rc = &p_cb->lcb[BTA_AV_NUM_LINKS]; 1216 APPL_TRACE_DEBUG1("rc_acp is connected && conn_chg on same addr p_lcb_rc->conn_msk:x%x", 1217 p_lcb_rc->conn_msk); 1218 /* check if the RC is connected to the scb addr */ 1219 APPL_TRACE_DEBUG6 ("p_lcb_rc->addr: %02x:%02x:%02x:%02x:%02x:%02x", 1220 p_lcb_rc->addr[0], p_lcb_rc->addr[1], p_lcb_rc->addr[2], p_lcb_rc->addr[3], 1221 p_lcb_rc->addr[4], p_lcb_rc->addr[5]); 1222 APPL_TRACE_DEBUG6 ("conn_chg.peer_addr: %02x:%02x:%02x:%02x:%02x:%02x", 1223 p_data->conn_chg.peer_addr[0], p_data->conn_chg.peer_addr[1], 1224 p_data->conn_chg.peer_addr[2], 1225 p_data->conn_chg.peer_addr[3], p_data->conn_chg.peer_addr[4], 1226 p_data->conn_chg.peer_addr[5]); 1227 if (p_lcb_rc->conn_msk && bdcmp(p_lcb_rc->addr, p_data->conn_chg.peer_addr) == 0) 1228 { 1229 /* AVRCP is already connected. 1230 * need to update the association betwen SCB and RCB */ 1231 p_lcb_rc->conn_msk = 0; /* indicate RC ONLY is not connected */ 1232 p_lcb_rc->lidx = 0; 1233 p_scb->rc_handle = p_cb->rc_acp_handle; 1234 p_rcb = &p_cb->rcb[p_cb->rc_acp_idx - 1]; 1235 p_rcb->shdl = bta_av_get_shdl(p_scb); 1236 APPL_TRACE_DEBUG3("update rc_acp shdl:%d/%d srch:%d", index + 1, p_rcb->shdl, 1237 p_scb->rc_handle ); 1238 1239 p_rcb2 = bta_av_get_rcb_by_shdl(p_rcb->shdl); 1240 if (p_rcb2) 1241 { 1242 /* found the RCB that was created to associated with this SCB */ 1243 p_cb->rc_acp_handle = p_rcb2->handle; 1244 p_cb->rc_acp_idx = (p_rcb2 - p_cb->rcb) + 1; 1245 APPL_TRACE_DEBUG2("new rc_acp_handle:%d, idx:%d", p_cb->rc_acp_handle, 1246 p_cb->rc_acp_idx); 1247 p_rcb2->lidx = (BTA_AV_NUM_LINKS + 1); 1248 APPL_TRACE_DEBUG3("rc2 handle:%d lidx:%d/%d",p_rcb2->handle, p_rcb2->lidx, 1249 p_cb->lcb[p_rcb2->lidx-1].lidx); 1250 } 1251 p_rcb->lidx = p_lcb->lidx; 1252 APPL_TRACE_DEBUG3("rc handle:%d lidx:%d/%d",p_rcb->handle, p_rcb->lidx, 1253 p_cb->lcb[p_rcb->lidx-1].lidx); 1254 } 1255 } 1256 } 1257 } 1258 else 1259 { 1260 if ((p_cb->conn_audio & mask) && bta_av_cb.audio_open_cnt) 1261 { 1262 /* this channel is still marked as open. decrease the count */ 1263 bta_av_cb.audio_open_cnt--; 1264 } 1265 1266 /* clear the conned mask for this channel */ 1267 p_cb->conn_audio &= ~mask; 1268 p_cb->conn_video &= ~mask; 1269 if(p_scb) 1270 { 1271 /* the stream is closed. 1272 * clear the peer address, so it would not mess up the AVRCP for the next round of operation */ 1273 bdcpy(p_scb->peer_addr, bd_addr_null); 1274 if(p_scb->chnl == BTA_AV_CHNL_AUDIO) 1275 { 1276 if(p_lcb) 1277 { 1278 p_lcb->conn_msk &= ~conn_msk; 1279 } 1280 /* audio channel is down. make sure the INT channel is down */ 1281 /* just in case the RC timer is active 1282 if(p_cb->features & BTA_AV_FEAT_RCCT) */ 1283 { 1284 bta_sys_stop_timer(&p_scb->timer); 1285 } 1286 /* one audio channel goes down. check if we need to restore high priority */ 1287 chk_restore = TRUE; 1288 } 1289 } 1290 1291 APPL_TRACE_DEBUG1("bta_av_conn_chg shdl:%d", index + 1); 1292 for (i=0; i<BTA_AV_NUM_RCB; i++) 1293 { 1294 APPL_TRACE_DEBUG5("conn_chg dn[%d]: %d, status=0x%x, shdl:%d, lidx:%d", i, 1295 bta_av_cb.rcb[i].handle, bta_av_cb.rcb[i].status, 1296 bta_av_cb.rcb[i].shdl, bta_av_cb.rcb[i].lidx); 1297 if(bta_av_cb.rcb[i].shdl == index + 1) 1298 { 1299 bta_av_del_rc(&bta_av_cb.rcb[i]); 1300 break; 1301 } 1302 } 1303 1304 if(p_cb->conn_audio == 0 && p_cb->conn_video == 0) 1305 { 1306 /* if both channels are not connected, 1307 * close all RC channels */ 1308 bta_av_close_all_rc(p_cb); 1309 } 1310 1311 /* if the AVRCP is no longer listening, create the listening channel */ 1312 if (bta_av_cb.rc_acp_handle == BTA_AV_RC_HANDLE_NONE && bta_av_cb.features & BTA_AV_FEAT_RCTG) 1313 bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1); 1314 } 1315 1316 APPL_TRACE_DEBUG6("bta_av_conn_chg audio:%x video:%x up:%d conn_msk:0x%x chk_restore:%d audio_open_cnt:%d", 1317 p_cb->conn_audio, p_cb->conn_video, p_data->conn_chg.is_up, conn_msk, chk_restore, p_cb->audio_open_cnt); 1318 1319 if (chk_restore) 1320 { 1321 if (p_cb->audio_open_cnt == 1) 1322 { 1323 /* one audio channel goes down and there's one audio channel remains open. 1324 * restore the switch role in default link policy */ 1325 bta_sys_set_default_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH); 1326 /* allow role switch, if this is the last connection */ 1327 bta_av_restore_switch(); 1328 } 1329 if (p_cb->audio_open_cnt) 1330 { 1331 /* adjust flush timeout settings to longer period */ 1332 for (i=0; i<BTA_AV_NUM_STRS; i++) 1333 { 1334 p_scbi = bta_av_cb.p_scb[i]; 1335 if (p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started) 1336 { 1337 /* may need to update the flush timeout of this already started stream */ 1338 if (p_scbi->co_started != bta_av_cb.audio_open_cnt) 1339 { 1340 p_scbi->co_started = bta_av_cb.audio_open_cnt; 1341 L2CA_SetFlushTimeout(p_scbi->peer_addr, p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1] ); 1342 } 1343 } 1344 } 1345 } 1346 } 1347 } 1348 1349 /******************************************************************************* 1350 ** 1351 ** Function bta_av_disable 1352 ** 1353 ** Description disable AV. 1354 ** 1355 ** Returns void 1356 ** 1357 *******************************************************************************/ 1358 void bta_av_disable(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 1359 { 1360 BT_HDR hdr; 1361 UINT16 xx; 1362 1363 p_cb->disabling = TRUE; 1364 1365 bta_av_close_all_rc(p_cb); 1366 1367 utl_freebuf((void **) &p_cb->p_disc_db); 1368 1369 /* disable audio/video - de-register all channels, 1370 * expect BTA_AV_DEREG_COMP_EVT when deregister is complete */ 1371 for(xx=0; xx<BTA_AV_NUM_STRS; xx++) 1372 { 1373 hdr.layer_specific = xx + 1; 1374 bta_av_api_deregister((tBTA_AV_DATA *)&hdr); 1375 } 1376 } 1377 1378 /******************************************************************************* 1379 ** 1380 ** Function bta_av_api_disconnect 1381 ** 1382 ** Description . 1383 ** 1384 ** Returns void 1385 ** 1386 *******************************************************************************/ 1387 void bta_av_api_disconnect(tBTA_AV_DATA *p_data) 1388 { 1389 AVDT_DisconnectReq(p_data->api_discnt.bd_addr, bta_av_conn_cback); 1390 bta_sys_stop_timer(&bta_av_cb.sig_tmr); 1391 } 1392 1393 /******************************************************************************* 1394 ** 1395 ** Function bta_av_sig_chg 1396 ** 1397 ** Description process AVDT signal channel up/down. 1398 ** 1399 ** Returns void 1400 ** 1401 *******************************************************************************/ 1402 void bta_av_sig_chg(tBTA_AV_DATA *p_data) 1403 { 1404 UINT16 event = p_data->str_msg.hdr.layer_specific; 1405 tBTA_AV_CB *p_cb = &bta_av_cb; 1406 int xx; 1407 UINT8 mask; 1408 tBTA_AV_LCB *p_lcb = NULL; 1409 1410 APPL_TRACE_DEBUG1("bta_av_sig_chg event: %d", event); 1411 if(event == AVDT_CONNECT_IND_EVT) 1412 { 1413 p_lcb = bta_av_find_lcb(p_data->str_msg.bd_addr, BTA_AV_LCB_FIND); 1414 if(!p_lcb) 1415 { 1416 /* if the address does not have an LCB yet, alloc one */ 1417 for(xx=0; xx<BTA_AV_NUM_LINKS; xx++) 1418 { 1419 mask = 1 << xx; 1420 APPL_TRACE_DEBUG1("conn_lcb: 0x%x", p_cb->conn_lcb); 1421 1422 /* look for a p_lcb with its p_scb registered */ 1423 if((!(mask & p_cb->conn_lcb)) && (p_cb->p_scb[xx] != NULL)) 1424 { 1425 p_lcb = &p_cb->lcb[xx]; 1426 p_lcb->lidx = xx + 1; 1427 bdcpy(p_lcb->addr, p_data->str_msg.bd_addr); 1428 p_lcb->conn_msk = 0; /* clear the connect mask */ 1429 /* start listening when the signal channel is open */ 1430 if (p_cb->features & BTA_AV_FEAT_RCTG) 1431 { 1432 bta_av_rc_create(p_cb, AVCT_ACP, 0, p_lcb->lidx); 1433 } 1434 /* this entry is not used yet. */ 1435 p_cb->conn_lcb |= mask; /* mark it as used */ 1436 APPL_TRACE_DEBUG1("start sig timer %d", p_data->hdr.offset); 1437 if (p_data->hdr.offset == AVDT_ACP) 1438 { 1439 APPL_TRACE_DEBUG1("Incoming L2CAP acquired, set state as incoming", NULL); 1440 bdcpy(p_cb->p_scb[xx]->peer_addr, p_data->str_msg.bd_addr); 1441 p_cb->p_scb[xx]->use_rc = TRUE; /* allowing RC for incoming connection */ 1442 bta_av_ssm_execute(p_cb->p_scb[xx], BTA_AV_ACP_CONNECT_EVT, p_data); 1443 1444 /* The Pending Event should be sent as soon as the L2CAP signalling channel 1445 * is set up, which is NOW. Earlier this was done only after 1446 * BTA_AV_SIG_TIME_VAL milliseconds. 1447 * The following function shall send the event and start the recurring timer 1448 */ 1449 bta_av_sig_timer(NULL); 1450 1451 /* Possible collision : need to avoid outgoing processing while the timer is running */ 1452 p_cb->p_scb[xx]->coll_mask = BTA_AV_COLL_INC_TMR; 1453 1454 p_cb->acp_sig_tmr.param = (UINT32)xx; 1455 p_cb->acp_sig_tmr.p_cback = (TIMER_CBACK*)&bta_av_acp_sig_timer_cback; 1456 bta_sys_start_timer(&p_cb->acp_sig_tmr, 0, BTA_AV_ACP_SIG_TIME_VAL); 1457 } 1458 break; 1459 } 1460 } 1461 1462 /* check if we found something */ 1463 if (xx == BTA_AV_NUM_LINKS) 1464 { 1465 /* We do not have scb for this avdt connection. */ 1466 /* Silently close the connection. */ 1467 APPL_TRACE_ERROR0("av scb not available for avdt connection"); 1468 AVDT_DisconnectReq (p_data->str_msg.bd_addr, NULL); 1469 return; 1470 } 1471 } 1472 } 1473 #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) 1474 else if (event == BTA_AR_AVDT_CONN_EVT) 1475 { 1476 bta_sys_stop_timer(&bta_av_cb.sig_tmr); 1477 } 1478 #endif 1479 else 1480 { 1481 /* disconnected. */ 1482 p_lcb = bta_av_find_lcb(p_data->str_msg.bd_addr, BTA_AV_LCB_FREE); 1483 if(p_lcb && p_lcb->conn_msk) 1484 { 1485 APPL_TRACE_DEBUG1("conn_msk: 0x%x", p_lcb->conn_msk); 1486 /* clean up ssm */ 1487 for(xx=0; xx < BTA_AV_NUM_STRS; xx++) 1488 { 1489 mask = 1 << (xx + 1); 1490 if ((mask & p_lcb->conn_msk) && (p_cb->p_scb[xx]) && 1491 (bdcmp(p_cb->p_scb[xx]->peer_addr, p_data->str_msg.bd_addr) == 0)) 1492 { 1493 bta_av_ssm_execute(p_cb->p_scb[xx], BTA_AV_AVDT_DISCONNECT_EVT, NULL); 1494 } 1495 } 1496 } 1497 } 1498 APPL_TRACE_DEBUG1("conn_lcb: 0x%x", p_cb->conn_lcb); 1499 } 1500 1501 /******************************************************************************* 1502 ** 1503 ** Function bta_av_sig_timer 1504 ** 1505 ** Description process the signal channel timer. This timer is started 1506 ** when the AVDTP signal channel is connected. If no profile 1507 ** is connected, the timer goes off every BTA_AV_SIG_TIME_VAL 1508 ** 1509 ** Returns void 1510 ** 1511 *******************************************************************************/ 1512 void bta_av_sig_timer(tBTA_AV_DATA *p_data) 1513 { 1514 tBTA_AV_CB *p_cb = &bta_av_cb; 1515 int xx; 1516 UINT8 mask; 1517 tBTA_AV_LCB *p_lcb = NULL; 1518 tBTA_AV_PEND pend; 1519 1520 APPL_TRACE_DEBUG0("bta_av_sig_timer"); 1521 for(xx=0; xx<BTA_AV_NUM_LINKS; xx++) 1522 { 1523 mask = 1 << xx; 1524 if(mask & p_cb->conn_lcb) 1525 { 1526 /* this entry is used. check if it is connected */ 1527 p_lcb = &p_cb->lcb[xx]; 1528 if(!p_lcb->conn_msk) 1529 { 1530 bta_sys_start_timer(&p_cb->sig_tmr, BTA_AV_SIG_TIMER_EVT, BTA_AV_SIG_TIME_VAL); 1531 bdcpy(pend.bd_addr, p_lcb->addr); 1532 (*p_cb->p_cback)(BTA_AV_PENDING_EVT, (tBTA_AV *) &pend); 1533 } 1534 } 1535 } 1536 } 1537 1538 /******************************************************************************* 1539 ** 1540 ** Function bta_av_acp_sig_timer_cback 1541 ** 1542 ** Description Process the timeout when SRC is accepting connection 1543 ** and SNK did not start signalling. 1544 ** 1545 ** Returns void 1546 ** 1547 *******************************************************************************/ 1548 static void bta_av_acp_sig_timer_cback (TIMER_LIST_ENT *p_tle) 1549 { 1550 UINT8 inx = (UINT8)p_tle->param; 1551 tBTA_AV_CB *p_cb = &bta_av_cb; 1552 tBTA_AV_SCB *p_scb = p_cb->p_scb[inx]; 1553 tBTA_AV_API_OPEN *p_buf; 1554 1555 if (p_scb) 1556 { 1557 APPL_TRACE_DEBUG1("bta_av_acp_sig_timer_cback, coll_mask = 0x%02X", p_scb->coll_mask); 1558 1559 if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR) 1560 { 1561 p_scb->coll_mask &= ~BTA_AV_COLL_INC_TMR; 1562 1563 if (bta_av_is_scb_opening(p_scb)) 1564 { 1565 if (p_scb->p_disc_db) 1566 { 1567 /* We are still doing SDP. Run the timer again. */ 1568 p_scb->coll_mask |= BTA_AV_COLL_INC_TMR; 1569 1570 p_cb->acp_sig_tmr.param = (UINT32)inx; 1571 p_cb->acp_sig_tmr.p_cback = (TIMER_CBACK *)&bta_av_acp_sig_timer_cback; 1572 bta_sys_start_timer(&p_cb->acp_sig_tmr, 0, BTA_AV_ACP_SIG_TIME_VAL); 1573 } 1574 else 1575 { 1576 /* SNK did not start signalling, resume signalling process. */ 1577 bta_av_discover_req (p_scb, NULL); 1578 } 1579 } 1580 else if (bta_av_is_scb_incoming(p_scb)) 1581 { 1582 /* Stay in incoming state if SNK does not start signalling */ 1583 1584 /* API open was called right after SNK opened L2C connection. */ 1585 if (p_scb->coll_mask & BTA_AV_COLL_API_CALLED) 1586 { 1587 p_scb->coll_mask &= ~BTA_AV_COLL_API_CALLED; 1588 1589 /* BTA_AV_API_OPEN_EVT */ 1590 if ((p_buf = (tBTA_AV_API_OPEN *) GKI_getbuf(sizeof(tBTA_AV_API_OPEN))) != NULL) 1591 { 1592 memcpy(p_buf, &(p_scb->open_api), sizeof(tBTA_AV_API_OPEN)); 1593 bta_sys_sendmsg(p_buf); 1594 } 1595 } 1596 } 1597 } 1598 } 1599 } 1600 1601 /******************************************************************************* 1602 ** 1603 ** Function bta_av_check_peer_features 1604 ** 1605 ** Description check supported features on the peer device from the SDP record 1606 ** and return the feature mask 1607 ** 1608 ** Returns tBTA_AV_FEAT peer device feature mask 1609 ** 1610 *******************************************************************************/ 1611 tBTA_AV_FEAT bta_av_check_peer_features (UINT16 service_uuid) 1612 { 1613 tBTA_AV_FEAT peer_features = 0; 1614 tBTA_AV_CB *p_cb = &bta_av_cb; 1615 tSDP_DISC_REC *p_rec = NULL; 1616 tSDP_DISC_ATTR *p_attr; 1617 UINT16 peer_rc_version=0; 1618 UINT16 categories = 0; 1619 1620 APPL_TRACE_DEBUG1("bta_av_check_peer_features service_uuid:x%x", service_uuid); 1621 /* loop through all records we found */ 1622 while (TRUE) 1623 { 1624 /* get next record; if none found, we're done */ 1625 if ((p_rec = SDP_FindServiceInDb(p_cb->p_disc_db, service_uuid, p_rec)) == NULL) 1626 { 1627 break; 1628 } 1629 1630 if (( SDP_FindAttributeInRec(p_rec, ATTR_ID_SERVICE_CLASS_ID_LIST)) != NULL) 1631 { 1632 /* find peer features */ 1633 if (SDP_FindServiceInDb(p_cb->p_disc_db, UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL)) 1634 { 1635 peer_features |= BTA_AV_FEAT_RCCT; 1636 } 1637 if (SDP_FindServiceInDb(p_cb->p_disc_db, UUID_SERVCLASS_AV_REM_CTRL_TARGET, NULL)) 1638 { 1639 peer_features |= BTA_AV_FEAT_RCTG; 1640 } 1641 } 1642 1643 if (( SDP_FindAttributeInRec(p_rec, ATTR_ID_BT_PROFILE_DESC_LIST)) != NULL) 1644 { 1645 /* get profile version (if failure, version parameter is not updated) */ 1646 SDP_FindProfileVersionInRec(p_rec, UUID_SERVCLASS_AV_REMOTE_CONTROL, &peer_rc_version); 1647 APPL_TRACE_DEBUG1("peer_rc_version 0x%x", peer_rc_version); 1648 1649 if (peer_rc_version >= AVRC_REV_1_3) 1650 peer_features |= (BTA_AV_FEAT_VENDOR | BTA_AV_FEAT_METADATA); 1651 1652 if (peer_rc_version >= AVRC_REV_1_4) 1653 { 1654 peer_features |= (BTA_AV_FEAT_ADV_CTRL); 1655 /* get supported categories */ 1656 if ((p_attr = SDP_FindAttributeInRec(p_rec, 1657 ATTR_ID_SUPPORTED_FEATURES)) != NULL) 1658 { 1659 categories = p_attr->attr_value.v.u16; 1660 if (categories & AVRC_SUPF_CT_BROWSE) 1661 peer_features |= (BTA_AV_FEAT_BROWSE); 1662 } 1663 } 1664 } 1665 } 1666 APPL_TRACE_DEBUG1("peer_features:x%x", peer_features); 1667 return peer_features; 1668 } 1669 1670 /******************************************************************************* 1671 ** 1672 ** Function bta_av_rc_disc_done 1673 ** 1674 ** Description Handle AVRCP service discovery results. If matching 1675 ** service found, open AVRCP connection. 1676 ** 1677 ** Returns void 1678 ** 1679 *******************************************************************************/ 1680 void bta_av_rc_disc_done(tBTA_AV_DATA *p_data) 1681 { 1682 tBTA_AV_CB *p_cb = &bta_av_cb; 1683 tBTA_AV_SCB *p_scb = NULL; 1684 tBTA_AV_LCB *p_lcb; 1685 tBTA_AV_RC_OPEN rc_open; 1686 tBTA_AV_RC_FEAT rc_feat; 1687 UINT8 rc_handle; 1688 tBTA_AV_FEAT peer_features; /* peer features mask */ 1689 1690 APPL_TRACE_DEBUG1("bta_av_rc_disc_done disc:x%x", p_cb->disc); 1691 if (!p_cb->disc) 1692 { 1693 return; 1694 } 1695 1696 if ((p_cb->disc & BTA_AV_CHNL_MSK) == BTA_AV_CHNL_MSK) 1697 { 1698 /* this is the rc handle/index to tBTA_AV_RCB */ 1699 rc_handle = p_cb->disc & (~BTA_AV_CHNL_MSK); 1700 } 1701 else 1702 { 1703 p_scb = p_cb->p_scb[(p_cb->disc & BTA_AV_HNDL_MSK) - 1]; 1704 if (p_scb) 1705 rc_handle = p_scb->rc_handle; 1706 else 1707 { 1708 p_cb->disc = 0; 1709 return; 1710 } 1711 } 1712 1713 APPL_TRACE_DEBUG1("rc_handle %d", rc_handle); 1714 /* check peer version and whether support CT and TG role */ 1715 peer_features = bta_av_check_peer_features (UUID_SERVCLASS_AV_REMOTE_CONTROL); 1716 if ((p_cb->features & BTA_AV_FEAT_ADV_CTRL) && ((peer_features&BTA_AV_FEAT_ADV_CTRL) == 0)) 1717 { 1718 /* if we support advance control and peer does not, check their support on TG role 1719 * some implementation uses 1.3 on CT ans 1.4 on TG */ 1720 peer_features |= bta_av_check_peer_features (UUID_SERVCLASS_AV_REM_CTRL_TARGET); 1721 } 1722 1723 p_cb->disc = 0; 1724 utl_freebuf((void **) &p_cb->p_disc_db); 1725 1726 APPL_TRACE_DEBUG2("peer_features 0x%x, features 0x%x", peer_features, p_cb->features); 1727 1728 /* if we have no rc connection */ 1729 if (rc_handle == BTA_AV_RC_HANDLE_NONE) 1730 { 1731 if (p_scb) 1732 { 1733 /* if peer remote control service matches ours and USE_RC is TRUE */ 1734 if ((((p_cb->features & BTA_AV_FEAT_RCCT) && (peer_features & BTA_AV_FEAT_RCTG)) || 1735 ((p_cb->features & BTA_AV_FEAT_RCTG) && (peer_features & BTA_AV_FEAT_RCCT))) ) 1736 { 1737 p_lcb = bta_av_find_lcb(p_scb->peer_addr, BTA_AV_LCB_FIND); 1738 if(p_lcb) 1739 { 1740 rc_handle = bta_av_rc_create(p_cb, AVCT_INT, (UINT8)(p_scb->hdi + 1), p_lcb->lidx); 1741 p_cb->rcb[rc_handle].peer_features = peer_features; 1742 } 1743 #if (BT_USE_TRACES == TRUE || BT_TRACE_APPL == TRUE) 1744 else 1745 { 1746 APPL_TRACE_ERROR0("can not find LCB!!"); 1747 } 1748 #endif 1749 } 1750 else if(p_scb->use_rc) 1751 { 1752 /* can not find AVRC on peer device. report failure */ 1753 p_scb->use_rc = FALSE; 1754 bdcpy(rc_open.peer_addr, p_scb->peer_addr); 1755 rc_open.peer_features = 0; 1756 rc_open.status = BTA_AV_FAIL_SDP; 1757 (*p_cb->p_cback)(BTA_AV_RC_OPEN_EVT, (tBTA_AV *) &rc_open); 1758 } 1759 } 1760 } 1761 else 1762 { 1763 p_cb->rcb[rc_handle].peer_features = peer_features; 1764 rc_feat.rc_handle = rc_handle; 1765 rc_feat.peer_features = peer_features; 1766 (*p_cb->p_cback)(BTA_AV_RC_FEAT_EVT, (tBTA_AV *) &rc_feat); 1767 } 1768 } 1769 1770 /******************************************************************************* 1771 ** 1772 ** Function bta_av_rc_closed 1773 ** 1774 ** Description Set AVRCP state to closed. 1775 ** 1776 ** Returns void 1777 ** 1778 *******************************************************************************/ 1779 void bta_av_rc_closed(tBTA_AV_DATA *p_data) 1780 { 1781 tBTA_AV_CB *p_cb = &bta_av_cb; 1782 tBTA_AV_RC_CLOSE rc_close; 1783 tBTA_AV_RC_CONN_CHG *p_msg = (tBTA_AV_RC_CONN_CHG *)p_data; 1784 tBTA_AV_RCB *p_rcb; 1785 tBTA_AV_SCB *p_scb; 1786 int i; 1787 BOOLEAN conn = FALSE; 1788 tBTA_AV_LCB *p_lcb; 1789 1790 rc_close.rc_handle = BTA_AV_RC_HANDLE_NONE; 1791 APPL_TRACE_DEBUG1("bta_av_rc_closed rc_handle:%d", p_msg->handle); 1792 for(i=0; i<BTA_AV_NUM_RCB; i++) 1793 { 1794 p_rcb = &p_cb->rcb[i]; 1795 APPL_TRACE_DEBUG3("bta_av_rc_closed rcb[%d] rc_handle:%d, status=0x%x", i, p_rcb->handle, p_rcb->status); 1796 if(p_rcb->handle == p_msg->handle) 1797 { 1798 rc_close.rc_handle = i; 1799 p_rcb->status &= ~BTA_AV_RC_CONN_MASK; 1800 p_rcb->peer_features = 0; 1801 APPL_TRACE_DEBUG2(" shdl:%d, lidx:%d", p_rcb->shdl, p_rcb->lidx); 1802 if(p_rcb->shdl) 1803 { 1804 p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1]; 1805 if(p_scb) 1806 { 1807 bdcpy(rc_close.peer_addr, p_scb->peer_addr); 1808 if(p_scb->rc_handle == p_rcb->handle) 1809 p_scb->rc_handle = BTA_AV_RC_HANDLE_NONE; 1810 APPL_TRACE_DEBUG2("shdl:%d, srch:%d", p_rcb->shdl, p_scb->rc_handle); 1811 } 1812 p_rcb->shdl = 0; 1813 } 1814 else if(p_rcb->lidx == (BTA_AV_NUM_LINKS + 1) ) 1815 { 1816 /* if the RCB uses the extra LCB, use the addr for event and clean it */ 1817 p_lcb = &p_cb->lcb[BTA_AV_NUM_LINKS]; 1818 bdcpy(rc_close.peer_addr, p_msg->peer_addr); 1819 APPL_TRACE_DEBUG6("rc_only closed bd_addr:%02x-%02x-%02x-%02x-%02x-%02x", 1820 p_msg->peer_addr[0], p_msg->peer_addr[1], 1821 p_msg->peer_addr[2], p_msg->peer_addr[3], 1822 p_msg->peer_addr[4], p_msg->peer_addr[5]); 1823 p_lcb->conn_msk = 0; 1824 p_lcb->lidx = 0; 1825 } 1826 p_rcb->lidx = 0; 1827 1828 if((p_rcb->status & BTA_AV_RC_ROLE_MASK) == BTA_AV_RC_ROLE_INT) 1829 { 1830 /* AVCT CCB is deallocated */ 1831 p_rcb->handle = BTA_AV_RC_HANDLE_NONE; 1832 p_rcb->status = 0; 1833 } 1834 else 1835 { 1836 /* AVCT CCB is still there. dealloc */ 1837 bta_av_del_rc(p_rcb); 1838 1839 /* if the AVRCP is no longer listening, create the listening channel */ 1840 if (bta_av_cb.rc_acp_handle == BTA_AV_RC_HANDLE_NONE && bta_av_cb.features & BTA_AV_FEAT_RCTG) 1841 bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1); 1842 } 1843 } 1844 else if((p_rcb->handle != BTA_AV_RC_HANDLE_NONE) && (p_rcb->status & BTA_AV_RC_CONN_MASK)) 1845 { 1846 /* at least one channel is still connected */ 1847 conn = TRUE; 1848 } 1849 } 1850 1851 if(!conn) 1852 { 1853 /* no AVRC channels are connected, go back to INIT state */ 1854 bta_av_sm_execute(p_cb, BTA_AV_AVRC_NONE_EVT, NULL); 1855 } 1856 1857 if (rc_close.rc_handle == BTA_AV_RC_HANDLE_NONE) 1858 { 1859 rc_close.rc_handle = p_msg->handle; 1860 bdcpy(rc_close.peer_addr, p_msg->peer_addr); 1861 } 1862 (*p_cb->p_cback)(BTA_AV_RC_CLOSE_EVT, (tBTA_AV *) &rc_close); 1863 } 1864 1865 /******************************************************************************* 1866 ** 1867 ** Function bta_av_rc_disc 1868 ** 1869 ** Description start AVRC SDP discovery. 1870 ** 1871 ** Returns void 1872 ** 1873 *******************************************************************************/ 1874 void bta_av_rc_disc(UINT8 disc) 1875 { 1876 tBTA_AV_CB *p_cb = &bta_av_cb; 1877 tAVRC_SDP_DB_PARAMS db_params; 1878 UINT16 attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST, 1879 ATTR_ID_BT_PROFILE_DESC_LIST, 1880 ATTR_ID_SUPPORTED_FEATURES}; 1881 UINT8 hdi; 1882 tBTA_AV_SCB *p_scb; 1883 UINT8 *p_addr = NULL; 1884 UINT8 rc_handle; 1885 1886 APPL_TRACE_DEBUG2("bta_av_rc_disc 0x%x, %d", disc, bta_av_cb.disc); 1887 if ((bta_av_cb.disc != 0) || (disc == 0)) 1888 return; 1889 1890 if ((disc & BTA_AV_CHNL_MSK) == BTA_AV_CHNL_MSK) 1891 { 1892 /* this is the rc handle/index to tBTA_AV_RCB */ 1893 rc_handle = disc & (~BTA_AV_CHNL_MSK); 1894 if (p_cb->rcb[rc_handle].lidx) 1895 { 1896 p_addr = p_cb->lcb[p_cb->rcb[rc_handle].lidx-1].addr; 1897 } 1898 } 1899 else 1900 { 1901 hdi = (disc & BTA_AV_HNDL_MSK) - 1; 1902 p_scb = p_cb->p_scb[hdi]; 1903 1904 if (p_scb) 1905 { 1906 APPL_TRACE_DEBUG1("rc_handle %d", p_scb->rc_handle); 1907 p_addr = p_scb->peer_addr; 1908 } 1909 } 1910 1911 if (p_addr) 1912 { 1913 /* allocate discovery database */ 1914 if (p_cb->p_disc_db == NULL) 1915 { 1916 p_cb->p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(BTA_AV_DISC_BUF_SIZE); 1917 } 1918 1919 if (p_cb->p_disc_db) 1920 { 1921 /* set up parameters */ 1922 db_params.db_len = BTA_AV_DISC_BUF_SIZE; 1923 db_params.num_attr = 3; 1924 db_params.p_db = p_cb->p_disc_db; 1925 db_params.p_attrs = attr_list; 1926 1927 /* searching for UUID_SERVCLASS_AV_REMOTE_CONTROL gets both TG and CT */ 1928 if (AVRC_FindService(UUID_SERVCLASS_AV_REMOTE_CONTROL, p_addr, &db_params, 1929 bta_av_avrc_sdp_cback) == AVRC_SUCCESS) 1930 { 1931 p_cb->disc = disc; 1932 APPL_TRACE_DEBUG1("disc %d", p_cb->disc); 1933 } 1934 } 1935 } 1936 } 1937 1938 /******************************************************************************* 1939 ** 1940 ** Function bta_av_dereg_comp 1941 ** 1942 ** Description deregister complete. free the stream control block. 1943 ** 1944 ** Returns void 1945 ** 1946 *******************************************************************************/ 1947 void bta_av_dereg_comp(tBTA_AV_DATA *p_data) 1948 { 1949 tBTA_AV_CB *p_cb = &bta_av_cb; 1950 tBTA_AV_SCB *p_scb; 1951 tBTA_UTL_COD cod; 1952 UINT8 mask; 1953 BT_HDR *p_buf; 1954 1955 /* find the stream control block */ 1956 p_scb = bta_av_hndl_to_scb(p_data->hdr.layer_specific); 1957 1958 if(p_scb) 1959 { 1960 APPL_TRACE_DEBUG2("deregistered %d(h%d)", p_scb->chnl, p_scb->hndl); 1961 mask = BTA_AV_HNDL_TO_MSK(p_scb->hdi); 1962 if(p_scb->chnl == BTA_AV_CHNL_AUDIO) 1963 { 1964 p_cb->reg_audio &= ~mask; 1965 if ((p_cb->conn_audio & mask) && bta_av_cb.audio_open_cnt) 1966 { 1967 /* this channel is still marked as open. decrease the count */ 1968 bta_av_cb.audio_open_cnt--; 1969 } 1970 p_cb->conn_audio &= ~mask; 1971 1972 if (p_scb->q_tag == BTA_AV_Q_TAG_STREAM) 1973 { 1974 /* make sure no buffers are in q_info.a2d */ 1975 while((p_buf = (BT_HDR*)GKI_dequeue (&p_scb->q_info.a2d)) != NULL) 1976 GKI_freebuf(p_buf); 1977 } 1978 1979 /* remove the A2DP SDP record, if no more audio stream is left */ 1980 if(!p_cb->reg_audio) 1981 { 1982 #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) 1983 bta_ar_dereg_avrc (UUID_SERVCLASS_AV_REMOTE_CONTROL, BTA_ID_AV); 1984 #endif 1985 bta_av_del_sdp_rec(&p_cb->sdp_a2d_handle); 1986 bta_sys_remove_uuid(UUID_SERVCLASS_AUDIO_SOURCE); 1987 } 1988 } 1989 else 1990 { 1991 p_cb->reg_video &= ~mask; 1992 /* make sure that this channel is not connected */ 1993 p_cb->conn_video &= ~mask; 1994 /* remove the VDP SDP record, (only one video stream at most) */ 1995 bta_av_del_sdp_rec(&p_cb->sdp_vdp_handle); 1996 bta_sys_remove_uuid(UUID_SERVCLASS_VIDEO_SOURCE); 1997 } 1998 1999 /* make sure that the timer is not active */ 2000 bta_sys_stop_timer(&p_scb->timer); 2001 utl_freebuf((void **)&p_cb->p_scb[p_scb->hdi]); 2002 } 2003 2004 APPL_TRACE_DEBUG3("audio 0x%x, video: 0x%x, disable:%d", 2005 p_cb->reg_audio, p_cb->reg_video, p_cb->disabling); 2006 /* if no stream control block is active */ 2007 if((p_cb->reg_audio + p_cb->reg_video) == 0) 2008 { 2009 #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) 2010 /* deregister from AVDT */ 2011 bta_ar_dereg_avdt(BTA_ID_AV); 2012 2013 /* deregister from AVCT */ 2014 bta_ar_dereg_avrc (UUID_SERVCLASS_AV_REM_CTRL_TARGET, BTA_ID_AV); 2015 bta_ar_dereg_avct(BTA_ID_AV); 2016 #endif 2017 2018 if(p_cb->disabling) 2019 { 2020 p_cb->disabling = FALSE; 2021 bta_av_cb.features = 0; 2022 } 2023 2024 /* Clear the Capturing service class bit */ 2025 cod.service = BTM_COD_SERVICE_CAPTURING; 2026 utl_set_device_class(&cod, BTA_UTL_CLR_COD_SERVICE_CLASS); 2027 } 2028 } 2029 #endif /* BTA_AV_INCLUDED */ 2030
