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 if (p_rcb->handle != BTA_AV_RC_HANDLE_NONE) { 668 AVRC_MsgReq(p_rcb->handle, p_data->api_meta_rsp.label, 669 p_data->api_meta_rsp.rsp_code, 670 p_data->api_meta_rsp.p_pkt); 671 free = FALSE; 672 } 673 } 674 } 675 676 if (free) 677 GKI_freebuf (p_data->api_meta_rsp.p_pkt); 678 } 679 680 /******************************************************************************* 681 ** 682 ** Function bta_av_rc_free_rsp 683 ** 684 ** Description free an AVRCP metadata command buffer. 685 ** 686 ** Returns void 687 ** 688 *******************************************************************************/ 689 void bta_av_rc_free_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 690 { 691 GKI_freebuf (p_data->api_meta_rsp.p_pkt); 692 } 693 694 /******************************************************************************* 695 ** 696 ** Function bta_av_rc_meta_req 697 ** 698 ** Description Send an AVRCP metadata command. 699 ** 700 ** Returns void 701 ** 702 *******************************************************************************/ 703 void bta_av_rc_free_msg (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 704 { 705 } 706 707 708 709 /******************************************************************************* 710 ** 711 ** Function bta_av_chk_notif_evt_id 712 ** 713 ** Description make sure the requested player id is valid. 714 ** 715 ** Returns BTA_AV_STS_NO_RSP, if no error 716 ** 717 *******************************************************************************/ 718 static tAVRC_STS bta_av_chk_notif_evt_id(tAVRC_MSG_VENDOR *p_vendor) 719 { 720 tAVRC_STS status = BTA_AV_STS_NO_RSP; 721 UINT8 xx; 722 UINT16 u16; 723 UINT8 *p = p_vendor->p_vendor_data + 2; 724 725 BE_STREAM_TO_UINT16 (u16, p); 726 /* double check the fixed length */ 727 if ((u16 != 5) || (p_vendor->vendor_len != 9)) 728 { 729 status = AVRC_STS_INTERNAL_ERR; 730 } 731 else 732 { 733 /* make sure the player_id is valid */ 734 for (xx=0; xx<p_bta_av_cfg->num_evt_ids; xx++) 735 { 736 if (*p == p_bta_av_cfg->p_meta_evt_ids[xx]) 737 { 738 break; 739 } 740 } 741 if (xx == p_bta_av_cfg->num_evt_ids) 742 { 743 status = AVRC_STS_BAD_PARAM; 744 } 745 } 746 747 return status; 748 } 749 750 /******************************************************************************* 751 ** 752 ** Function bta_av_proc_meta_cmd 753 ** 754 ** Description Process an AVRCP metadata command from the peer. 755 ** 756 ** Returns TRUE to respond immediately 757 ** 758 *******************************************************************************/ 759 tBTA_AV_EVT bta_av_proc_meta_cmd(tAVRC_RESPONSE *p_rc_rsp, tBTA_AV_RC_MSG *p_msg, UINT8 *p_ctype) 760 { 761 tBTA_AV_EVT evt = BTA_AV_META_MSG_EVT; 762 UINT8 u8, pdu, *p; 763 UINT16 u16; 764 tAVRC_MSG_VENDOR *p_vendor = &p_msg->msg.vendor; 765 766 #if (AVRC_METADATA_INCLUDED == TRUE) 767 768 pdu = *(p_vendor->p_vendor_data); 769 p_rc_rsp->pdu = pdu; 770 *p_ctype = AVRC_RSP_REJ; 771 /* Metadata messages only use PANEL sub-unit type */ 772 if (p_vendor->hdr.subunit_type != AVRC_SUB_PANEL) 773 { 774 APPL_TRACE_DEBUG0("SUBUNIT must be PANEL"); 775 /* reject it */ 776 evt=0; 777 p_vendor->hdr.ctype = BTA_AV_RSP_NOT_IMPL; 778 AVRC_VendorRsp(p_msg->handle, p_msg->label, &p_msg->msg.vendor); 779 } 780 else if (!AVRC_IsValidAvcType(pdu, p_vendor->hdr.ctype) ) 781 { 782 APPL_TRACE_DEBUG2("Invalid pdu/ctype: 0x%x, %d", pdu, p_vendor->hdr.ctype); 783 /* reject invalid message without reporting to app */ 784 evt = 0; 785 p_rc_rsp->rsp.status = AVRC_STS_BAD_CMD; 786 } 787 else 788 { 789 switch (pdu) 790 { 791 case AVRC_PDU_GET_CAPABILITIES: 792 /* process GetCapabilities command without reporting the event to app */ 793 evt = 0; 794 u8 = *(p_vendor->p_vendor_data + 4); 795 p = p_vendor->p_vendor_data + 2; 796 p_rc_rsp->get_caps.capability_id = u8; 797 BE_STREAM_TO_UINT16 (u16, p); 798 if ((u16 != 1) || (p_vendor->vendor_len != 5)) 799 { 800 p_rc_rsp->get_caps.status = AVRC_STS_INTERNAL_ERR; 801 } 802 else 803 { 804 p_rc_rsp->get_caps.status = AVRC_STS_NO_ERROR; 805 if (u8 == AVRC_CAP_COMPANY_ID) 806 { 807 *p_ctype = AVRC_RSP_IMPL_STBL; 808 p_rc_rsp->get_caps.count = p_bta_av_cfg->num_co_ids; 809 memcpy(p_rc_rsp->get_caps.param.company_id, p_bta_av_cfg->p_meta_co_ids, 810 (p_bta_av_cfg->num_co_ids << 2)); 811 } 812 else if (u8 == AVRC_CAP_EVENTS_SUPPORTED) 813 { 814 *p_ctype = AVRC_RSP_IMPL_STBL; 815 p_rc_rsp->get_caps.count = p_bta_av_cfg->num_evt_ids; 816 memcpy(p_rc_rsp->get_caps.param.event_id, p_bta_av_cfg->p_meta_evt_ids, 817 p_bta_av_cfg->num_evt_ids); 818 } 819 else 820 { 821 APPL_TRACE_DEBUG1("Invalid capability ID: 0x%x", u8); 822 /* reject - unknown capability ID */ 823 p_rc_rsp->get_caps.status = AVRC_STS_BAD_PARAM; 824 } 825 } 826 break; 827 828 829 case AVRC_PDU_REGISTER_NOTIFICATION: 830 /* make sure the event_id is implemented */ 831 p_rc_rsp->rsp.status = bta_av_chk_notif_evt_id (p_vendor); 832 if (p_rc_rsp->rsp.status != BTA_AV_STS_NO_RSP) 833 evt = 0; 834 break; 835 836 } 837 } 838 #else 839 APPL_TRACE_DEBUG0("AVRCP 1.3 Metadata not supporteed. Reject command."); 840 /* reject invalid message without reporting to app */ 841 evt = 0; 842 p_rc_rsp->rsp.status = AVRC_STS_BAD_CMD; 843 #endif 844 845 return evt; 846 } 847 848 849 /******************************************************************************* 850 ** 851 ** Function bta_av_rc_msg 852 ** 853 ** Description Process an AVRCP message from the peer. 854 ** 855 ** Returns void 856 ** 857 *******************************************************************************/ 858 void bta_av_rc_msg(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 859 { 860 tBTA_AV_EVT evt = 0; 861 tBTA_AV av; 862 BT_HDR *p_pkt = NULL; 863 tAVRC_MSG_VENDOR *p_vendor = &p_data->rc_msg.msg.vendor; 864 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); 865 #if (AVRC_METADATA_INCLUDED == TRUE) 866 tAVRC_STS res; 867 UINT8 ctype; 868 tAVRC_RESPONSE rc_rsp; 869 870 rc_rsp.rsp.status = BTA_AV_STS_NO_RSP; 871 #endif 872 873 if (p_data->rc_msg.opcode == AVRC_OP_PASS_THRU) 874 { 875 /* if this is a pass thru command */ 876 if ((p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_CTRL) || 877 (p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_SPEC_INQ) || 878 (p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_GEN_INQ) 879 ) 880 { 881 /* check if operation is supported */ 882 if (p_data->rc_msg.msg.pass.op_id == AVRC_ID_VENDOR) 883 { 884 p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_NOT_IMPL; 885 #if (AVRC_METADATA_INCLUDED == TRUE) 886 if (p_cb->features & BTA_AV_FEAT_METADATA) 887 p_data->rc_msg.msg.hdr.ctype = 888 bta_av_group_navi_supported(p_data->rc_msg.msg.pass.pass_len, 889 p_data->rc_msg.msg.pass.p_pass_data, is_inquiry); 890 #endif 891 } 892 else 893 { 894 p_data->rc_msg.msg.hdr.ctype = bta_av_op_supported(p_data->rc_msg.msg.pass.op_id, is_inquiry); 895 } 896 897 APPL_TRACE_DEBUG1("ctype %d",p_data->rc_msg.msg.hdr.ctype) 898 899 /* send response */ 900 if (p_data->rc_msg.msg.hdr.ctype != BTA_AV_RSP_INTERIM) 901 AVRC_PassRsp(p_data->rc_msg.handle, p_data->rc_msg.label, &p_data->rc_msg.msg.pass); 902 903 /* set up for callback if supported */ 904 if (p_data->rc_msg.msg.hdr.ctype == BTA_AV_RSP_ACCEPT || p_data->rc_msg.msg.hdr.ctype == BTA_AV_RSP_INTERIM) 905 { 906 evt = BTA_AV_REMOTE_CMD_EVT; 907 av.remote_cmd.rc_id = p_data->rc_msg.msg.pass.op_id; 908 av.remote_cmd.key_state = p_data->rc_msg.msg.pass.state; 909 av.remote_cmd.p_data = p_data->rc_msg.msg.pass.p_pass_data; 910 av.remote_cmd.len = p_data->rc_msg.msg.pass.pass_len; 911 memcpy(&av.remote_cmd.hdr, &p_data->rc_msg.msg.hdr, sizeof (tAVRC_HDR)); 912 av.remote_cmd.label = p_data->rc_msg.label; 913 } 914 } 915 /* else if this is a pass thru response */ 916 else if (p_data->rc_msg.msg.hdr.ctype >= AVRC_RSP_ACCEPT) 917 { 918 /* set up for callback */ 919 evt = BTA_AV_REMOTE_RSP_EVT; 920 av.remote_rsp.rc_id = p_data->rc_msg.msg.pass.op_id; 921 av.remote_rsp.key_state = p_data->rc_msg.msg.pass.state; 922 av.remote_rsp.rsp_code = p_data->rc_msg.msg.hdr.ctype; 923 av.remote_rsp.label = p_data->rc_msg.label; 924 } 925 /* must be a bad ctype -> reject*/ 926 else 927 { 928 p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_REJ; 929 AVRC_PassRsp(p_data->rc_msg.handle, p_data->rc_msg.label, &p_data->rc_msg.msg.pass); 930 } 931 } 932 /* else if this is a vendor specific command or response */ 933 else if (p_data->rc_msg.opcode == AVRC_OP_VENDOR) 934 { 935 /* set up for callback */ 936 av.vendor_cmd.code = p_data->rc_msg.msg.hdr.ctype; 937 av.vendor_cmd.company_id = p_vendor->company_id; 938 av.vendor_cmd.label = p_data->rc_msg.label; 939 av.vendor_cmd.p_data = p_vendor->p_vendor_data; 940 av.vendor_cmd.len = p_vendor->vendor_len; 941 942 /* if configured to support vendor specific and it's a command */ 943 if ((p_cb->features & BTA_AV_FEAT_VENDOR) && 944 p_data->rc_msg.msg.hdr.ctype <= AVRC_CMD_GEN_INQ) 945 { 946 #if (AVRC_METADATA_INCLUDED == TRUE) 947 if ((p_cb->features & BTA_AV_FEAT_METADATA) && 948 (p_vendor->company_id == AVRC_CO_METADATA)) 949 { 950 av.meta_msg.p_msg = &p_data->rc_msg.msg; 951 evt = bta_av_proc_meta_cmd (&rc_rsp, &p_data->rc_msg, &ctype); 952 } 953 else 954 #endif 955 evt = BTA_AV_VENDOR_CMD_EVT; 956 } 957 /* else if configured to support vendor specific and it's a response */ 958 else if ((p_cb->features & BTA_AV_FEAT_VENDOR) && 959 p_data->rc_msg.msg.hdr.ctype >= AVRC_RSP_ACCEPT) 960 { 961 #if (AVRC_METADATA_INCLUDED == TRUE) 962 if ((p_cb->features & BTA_AV_FEAT_METADATA) && 963 (p_vendor->company_id == AVRC_CO_METADATA)) 964 { 965 av.meta_msg.p_msg = &p_data->rc_msg.msg; 966 evt = BTA_AV_META_MSG_EVT; 967 } 968 else 969 #endif 970 evt = BTA_AV_VENDOR_RSP_EVT; 971 972 } 973 /* else if not configured to support vendor specific and it's a command */ 974 else if (!(p_cb->features & BTA_AV_FEAT_VENDOR) && 975 p_data->rc_msg.msg.hdr.ctype <= AVRC_CMD_GEN_INQ) 976 { 977 if(p_data->rc_msg.msg.vendor.p_vendor_data[0] == AVRC_PDU_INVALID) 978 { 979 /* reject it */ 980 p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_REJ; 981 p_data->rc_msg.msg.vendor.p_vendor_data[4] = AVRC_STS_BAD_CMD; 982 } 983 else 984 p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_NOT_IMPL; 985 AVRC_VendorRsp(p_data->rc_msg.handle, p_data->rc_msg.label, &p_data->rc_msg.msg.vendor); 986 } 987 } 988 #if (AVRC_METADATA_INCLUDED == TRUE) 989 if (evt == 0 && rc_rsp.rsp.status != BTA_AV_STS_NO_RSP) 990 { 991 if (!p_pkt) 992 { 993 rc_rsp.rsp.opcode = p_data->rc_msg.opcode; 994 res = AVRC_BldResponse (0, &rc_rsp, &p_pkt); 995 } 996 if (p_pkt) 997 AVRC_MsgReq (p_data->rc_msg.handle, p_data->rc_msg.label, ctype, p_pkt); 998 } 999 #endif 1000 1001 /* call callback */ 1002 if (evt != 0) 1003 { 1004 av.remote_cmd.rc_handle = p_data->rc_msg.handle; 1005 (*p_cb->p_cback)(evt, &av); 1006 } 1007 } 1008 1009 /******************************************************************************* 1010 ** 1011 ** Function bta_av_rc_close 1012 ** 1013 ** Description close the specified AVRC handle. 1014 ** 1015 ** Returns void 1016 ** 1017 *******************************************************************************/ 1018 void bta_av_rc_close (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 1019 { 1020 UINT16 handle = p_data->hdr.layer_specific; 1021 tBTA_AV_SCB *p_scb; 1022 tBTA_AV_RCB *p_rcb; 1023 1024 if(handle < BTA_AV_NUM_RCB) 1025 { 1026 p_rcb = &p_cb->rcb[handle]; 1027 1028 APPL_TRACE_DEBUG2("bta_av_rc_close handle: %d, status=0x%x", p_rcb->handle, p_rcb->status); 1029 if(p_rcb->handle != BTA_AV_RC_HANDLE_NONE) 1030 { 1031 if(p_rcb->shdl) 1032 { 1033 p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1]; 1034 if(p_scb) 1035 { 1036 /* just in case the RC timer is active 1037 if(bta_av_cb.features & BTA_AV_FEAT_RCCT && 1038 p_scb->chnl == BTA_AV_CHNL_AUDIO) */ 1039 bta_sys_stop_timer(&p_scb->timer); 1040 } 1041 } 1042 1043 AVRC_Close(p_rcb->handle); 1044 } 1045 } 1046 } 1047 1048 /******************************************************************************* 1049 ** 1050 ** Function bta_av_get_shdl 1051 ** 1052 ** Returns The index to p_scb[] 1053 ** 1054 *******************************************************************************/ 1055 static UINT8 bta_av_get_shdl(tBTA_AV_SCB *p_scb) 1056 { 1057 int i; 1058 UINT8 shdl = 0; 1059 /* find the SCB & stop the timer */ 1060 for(i=0; i<BTA_AV_NUM_STRS; i++) 1061 { 1062 if(p_scb == bta_av_cb.p_scb[i]) 1063 { 1064 shdl = i+1; 1065 break; 1066 } 1067 } 1068 return shdl; 1069 } 1070 1071 /******************************************************************************* 1072 ** 1073 ** Function bta_av_stream_chg 1074 ** 1075 ** Description audio streaming status changed. 1076 ** 1077 ** Returns void 1078 ** 1079 *******************************************************************************/ 1080 void bta_av_stream_chg(tBTA_AV_SCB *p_scb, BOOLEAN started) 1081 { 1082 UINT8 started_msk; 1083 int i; 1084 UINT8 *p_streams; 1085 BOOLEAN no_streams = FALSE; 1086 tBTA_AV_SCB *p_scbi; 1087 1088 started_msk = BTA_AV_HNDL_TO_MSK(p_scb->hdi); 1089 APPL_TRACE_DEBUG3 ("bta_av_stream_chg started:%d started_msk:x%x chnl:x%x", started, 1090 started_msk, p_scb->chnl); 1091 if (BTA_AV_CHNL_AUDIO == p_scb->chnl) 1092 p_streams = &bta_av_cb.audio_streams; 1093 else 1094 p_streams = &bta_av_cb.video_streams; 1095 1096 if (started) 1097 { 1098 /* Let L2CAP know this channel is processed with high priority */ 1099 L2CA_SetAclPriority(p_scb->peer_addr, L2CAP_PRIORITY_HIGH); 1100 (*p_streams) |= started_msk; 1101 } 1102 else 1103 { 1104 (*p_streams) &= ~started_msk; 1105 } 1106 1107 if (!started) 1108 { 1109 i=0; 1110 if (BTA_AV_CHNL_AUDIO == p_scb->chnl) 1111 { 1112 if (bta_av_cb.video_streams == 0) 1113 no_streams = TRUE; 1114 } 1115 else 1116 { 1117 no_streams = TRUE; 1118 if ( bta_av_cb.audio_streams ) 1119 { 1120 for (; i<BTA_AV_NUM_STRS; i++) 1121 { 1122 p_scbi = bta_av_cb.p_scb[i]; 1123 /* scb is used and started */ 1124 if ( p_scbi && (bta_av_cb.audio_streams & BTA_AV_HNDL_TO_MSK(i)) 1125 && bdcmp(p_scbi->peer_addr, p_scb->peer_addr) == 0) 1126 { 1127 no_streams = FALSE; 1128 break; 1129 } 1130 } 1131 1132 } 1133 } 1134 1135 APPL_TRACE_DEBUG4 ("no_streams:%d i:%d, audio_streams:x%x, video_streams:x%x", no_streams, i, 1136 bta_av_cb.audio_streams, bta_av_cb.video_streams); 1137 if (no_streams) 1138 { 1139 /* Let L2CAP know this channel is processed with low priority */ 1140 L2CA_SetAclPriority(p_scb->peer_addr, L2CAP_PRIORITY_NORMAL); 1141 } 1142 } 1143 } 1144 1145 1146 /******************************************************************************* 1147 ** 1148 ** Function bta_av_conn_chg 1149 ** 1150 ** Description connetion status changed. 1151 ** Open an AVRCP acceptor channel, if new conn. 1152 ** 1153 ** Returns void 1154 ** 1155 *******************************************************************************/ 1156 void bta_av_conn_chg(tBTA_AV_DATA *p_data) 1157 { 1158 tBTA_AV_CB *p_cb = &bta_av_cb; 1159 tBTA_AV_SCB *p_scb; 1160 tBTA_AV_SCB *p_scbi; 1161 UINT8 mask; 1162 UINT8 conn_msk; 1163 UINT8 old_msk; 1164 int i; 1165 int index = (p_data->hdr.layer_specific & BTA_AV_HNDL_MSK) - 1; 1166 tBTA_AV_LCB *p_lcb; 1167 tBTA_AV_LCB *p_lcb_rc; 1168 tBTA_AV_RCB *p_rcb, *p_rcb2; 1169 BOOLEAN chk_restore = FALSE; 1170 1171 p_scb = p_cb->p_scb[index]; 1172 1173 mask = BTA_AV_HNDL_TO_MSK(index); 1174 p_lcb = bta_av_find_lcb(p_data->conn_chg.peer_addr, BTA_AV_LCB_FIND); 1175 conn_msk = 1 << (index + 1); 1176 if(p_data->conn_chg.is_up) 1177 { 1178 /* set the conned mask for this channel */ 1179 if(p_scb) 1180 { 1181 if(p_lcb) 1182 { 1183 p_lcb->conn_msk |= conn_msk; 1184 for (i=0; i<BTA_AV_NUM_RCB; i++) 1185 { 1186 if (bta_av_cb.rcb[i].lidx == p_lcb->lidx) 1187 { 1188 bta_av_cb.rcb[i].shdl = index + 1; 1189 APPL_TRACE_DEBUG5("conn_chg up[%d]: %d, status=0x%x, shdl:%d, lidx:%d", i, 1190 bta_av_cb.rcb[i].handle, bta_av_cb.rcb[i].status, 1191 bta_av_cb.rcb[i].shdl, bta_av_cb.rcb[i].lidx); 1192 break; 1193 } 1194 } 1195 } 1196 if (p_scb->chnl == BTA_AV_CHNL_AUDIO) 1197 { 1198 old_msk = p_cb->conn_audio; 1199 p_cb->conn_audio |= mask; 1200 } 1201 else 1202 { 1203 old_msk = p_cb->conn_video; 1204 p_cb->conn_video |= mask; 1205 } 1206 1207 if ((old_msk & mask) == 0) 1208 { 1209 /* increase the audio open count, if not set yet */ 1210 bta_av_cb.audio_open_cnt++; 1211 } 1212 1213 1214 APPL_TRACE_DEBUG2("rc_acp_handle:%d rc_acp_idx:%d", p_cb->rc_acp_handle, p_cb->rc_acp_idx); 1215 /* check if the AVRCP ACP channel is already connected */ 1216 if(p_lcb && p_cb->rc_acp_handle != BTA_AV_RC_HANDLE_NONE && p_cb->rc_acp_idx) 1217 { 1218 p_lcb_rc = &p_cb->lcb[BTA_AV_NUM_LINKS]; 1219 APPL_TRACE_DEBUG1("rc_acp is connected && conn_chg on same addr p_lcb_rc->conn_msk:x%x", 1220 p_lcb_rc->conn_msk); 1221 /* check if the RC is connected to the scb addr */ 1222 APPL_TRACE_DEBUG6 ("p_lcb_rc->addr: %02x:%02x:%02x:%02x:%02x:%02x", 1223 p_lcb_rc->addr[0], p_lcb_rc->addr[1], p_lcb_rc->addr[2], p_lcb_rc->addr[3], 1224 p_lcb_rc->addr[4], p_lcb_rc->addr[5]); 1225 APPL_TRACE_DEBUG6 ("conn_chg.peer_addr: %02x:%02x:%02x:%02x:%02x:%02x", 1226 p_data->conn_chg.peer_addr[0], p_data->conn_chg.peer_addr[1], 1227 p_data->conn_chg.peer_addr[2], 1228 p_data->conn_chg.peer_addr[3], p_data->conn_chg.peer_addr[4], 1229 p_data->conn_chg.peer_addr[5]); 1230 if (p_lcb_rc->conn_msk && bdcmp(p_lcb_rc->addr, p_data->conn_chg.peer_addr) == 0) 1231 { 1232 /* AVRCP is already connected. 1233 * need to update the association betwen SCB and RCB */ 1234 p_lcb_rc->conn_msk = 0; /* indicate RC ONLY is not connected */ 1235 p_lcb_rc->lidx = 0; 1236 p_scb->rc_handle = p_cb->rc_acp_handle; 1237 p_rcb = &p_cb->rcb[p_cb->rc_acp_idx - 1]; 1238 p_rcb->shdl = bta_av_get_shdl(p_scb); 1239 APPL_TRACE_DEBUG3("update rc_acp shdl:%d/%d srch:%d", index + 1, p_rcb->shdl, 1240 p_scb->rc_handle ); 1241 1242 p_rcb2 = bta_av_get_rcb_by_shdl(p_rcb->shdl); 1243 if (p_rcb2) 1244 { 1245 /* found the RCB that was created to associated with this SCB */ 1246 p_cb->rc_acp_handle = p_rcb2->handle; 1247 p_cb->rc_acp_idx = (p_rcb2 - p_cb->rcb) + 1; 1248 APPL_TRACE_DEBUG2("new rc_acp_handle:%d, idx:%d", p_cb->rc_acp_handle, 1249 p_cb->rc_acp_idx); 1250 p_rcb2->lidx = (BTA_AV_NUM_LINKS + 1); 1251 APPL_TRACE_DEBUG3("rc2 handle:%d lidx:%d/%d",p_rcb2->handle, p_rcb2->lidx, 1252 p_cb->lcb[p_rcb2->lidx-1].lidx); 1253 } 1254 p_rcb->lidx = p_lcb->lidx; 1255 APPL_TRACE_DEBUG3("rc handle:%d lidx:%d/%d",p_rcb->handle, p_rcb->lidx, 1256 p_cb->lcb[p_rcb->lidx-1].lidx); 1257 } 1258 } 1259 } 1260 } 1261 else 1262 { 1263 if ((p_cb->conn_audio & mask) && bta_av_cb.audio_open_cnt) 1264 { 1265 /* this channel is still marked as open. decrease the count */ 1266 bta_av_cb.audio_open_cnt--; 1267 } 1268 1269 /* clear the conned mask for this channel */ 1270 p_cb->conn_audio &= ~mask; 1271 p_cb->conn_video &= ~mask; 1272 if(p_scb) 1273 { 1274 /* the stream is closed. 1275 * clear the peer address, so it would not mess up the AVRCP for the next round of operation */ 1276 bdcpy(p_scb->peer_addr, bd_addr_null); 1277 if(p_scb->chnl == BTA_AV_CHNL_AUDIO) 1278 { 1279 if(p_lcb) 1280 { 1281 p_lcb->conn_msk &= ~conn_msk; 1282 } 1283 /* audio channel is down. make sure the INT channel is down */ 1284 /* just in case the RC timer is active 1285 if(p_cb->features & BTA_AV_FEAT_RCCT) */ 1286 { 1287 bta_sys_stop_timer(&p_scb->timer); 1288 } 1289 /* one audio channel goes down. check if we need to restore high priority */ 1290 chk_restore = TRUE; 1291 } 1292 } 1293 1294 APPL_TRACE_DEBUG1("bta_av_conn_chg shdl:%d", index + 1); 1295 for (i=0; i<BTA_AV_NUM_RCB; i++) 1296 { 1297 APPL_TRACE_DEBUG5("conn_chg dn[%d]: %d, status=0x%x, shdl:%d, lidx:%d", i, 1298 bta_av_cb.rcb[i].handle, bta_av_cb.rcb[i].status, 1299 bta_av_cb.rcb[i].shdl, bta_av_cb.rcb[i].lidx); 1300 if(bta_av_cb.rcb[i].shdl == index + 1) 1301 { 1302 bta_av_del_rc(&bta_av_cb.rcb[i]); 1303 break; 1304 } 1305 } 1306 1307 if(p_cb->conn_audio == 0 && p_cb->conn_video == 0) 1308 { 1309 /* if both channels are not connected, 1310 * close all RC channels */ 1311 bta_av_close_all_rc(p_cb); 1312 } 1313 1314 /* if the AVRCP is no longer listening, create the listening channel */ 1315 if (bta_av_cb.rc_acp_handle == BTA_AV_RC_HANDLE_NONE && bta_av_cb.features & BTA_AV_FEAT_RCTG) 1316 bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1); 1317 } 1318 1319 APPL_TRACE_DEBUG6("bta_av_conn_chg audio:%x video:%x up:%d conn_msk:0x%x chk_restore:%d audio_open_cnt:%d", 1320 p_cb->conn_audio, p_cb->conn_video, p_data->conn_chg.is_up, conn_msk, chk_restore, p_cb->audio_open_cnt); 1321 1322 if (chk_restore) 1323 { 1324 if (p_cb->audio_open_cnt == 1) 1325 { 1326 /* one audio channel goes down and there's one audio channel remains open. 1327 * restore the switch role in default link policy */ 1328 bta_sys_set_default_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH); 1329 /* allow role switch, if this is the last connection */ 1330 bta_av_restore_switch(); 1331 } 1332 if (p_cb->audio_open_cnt) 1333 { 1334 /* adjust flush timeout settings to longer period */ 1335 for (i=0; i<BTA_AV_NUM_STRS; i++) 1336 { 1337 p_scbi = bta_av_cb.p_scb[i]; 1338 if (p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started) 1339 { 1340 /* may need to update the flush timeout of this already started stream */ 1341 if (p_scbi->co_started != bta_av_cb.audio_open_cnt) 1342 { 1343 p_scbi->co_started = bta_av_cb.audio_open_cnt; 1344 L2CA_SetFlushTimeout(p_scbi->peer_addr, p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1] ); 1345 } 1346 } 1347 } 1348 } 1349 } 1350 } 1351 1352 /******************************************************************************* 1353 ** 1354 ** Function bta_av_disable 1355 ** 1356 ** Description disable AV. 1357 ** 1358 ** Returns void 1359 ** 1360 *******************************************************************************/ 1361 void bta_av_disable(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) 1362 { 1363 BT_HDR hdr; 1364 UINT16 xx; 1365 1366 p_cb->disabling = TRUE; 1367 1368 bta_av_close_all_rc(p_cb); 1369 1370 utl_freebuf((void **) &p_cb->p_disc_db); 1371 1372 /* disable audio/video - de-register all channels, 1373 * expect BTA_AV_DEREG_COMP_EVT when deregister is complete */ 1374 for(xx=0; xx<BTA_AV_NUM_STRS; xx++) 1375 { 1376 hdr.layer_specific = xx + 1; 1377 bta_av_api_deregister((tBTA_AV_DATA *)&hdr); 1378 } 1379 } 1380 1381 /******************************************************************************* 1382 ** 1383 ** Function bta_av_api_disconnect 1384 ** 1385 ** Description . 1386 ** 1387 ** Returns void 1388 ** 1389 *******************************************************************************/ 1390 void bta_av_api_disconnect(tBTA_AV_DATA *p_data) 1391 { 1392 AVDT_DisconnectReq(p_data->api_discnt.bd_addr, bta_av_conn_cback); 1393 bta_sys_stop_timer(&bta_av_cb.sig_tmr); 1394 } 1395 1396 /******************************************************************************* 1397 ** 1398 ** Function bta_av_sig_chg 1399 ** 1400 ** Description process AVDT signal channel up/down. 1401 ** 1402 ** Returns void 1403 ** 1404 *******************************************************************************/ 1405 void bta_av_sig_chg(tBTA_AV_DATA *p_data) 1406 { 1407 UINT16 event = p_data->str_msg.hdr.layer_specific; 1408 tBTA_AV_CB *p_cb = &bta_av_cb; 1409 int xx; 1410 UINT8 mask; 1411 tBTA_AV_LCB *p_lcb = NULL; 1412 1413 APPL_TRACE_DEBUG1("bta_av_sig_chg event: %d", event); 1414 if(event == AVDT_CONNECT_IND_EVT) 1415 { 1416 p_lcb = bta_av_find_lcb(p_data->str_msg.bd_addr, BTA_AV_LCB_FIND); 1417 if(!p_lcb) 1418 { 1419 /* if the address does not have an LCB yet, alloc one */ 1420 for(xx=0; xx<BTA_AV_NUM_LINKS; xx++) 1421 { 1422 mask = 1 << xx; 1423 APPL_TRACE_DEBUG1("conn_lcb: 0x%x", p_cb->conn_lcb); 1424 1425 /* look for a p_lcb with its p_scb registered */ 1426 if((!(mask & p_cb->conn_lcb)) && (p_cb->p_scb[xx] != NULL)) 1427 { 1428 p_lcb = &p_cb->lcb[xx]; 1429 p_lcb->lidx = xx + 1; 1430 bdcpy(p_lcb->addr, p_data->str_msg.bd_addr); 1431 p_lcb->conn_msk = 0; /* clear the connect mask */ 1432 /* start listening when the signal channel is open */ 1433 if (p_cb->features & BTA_AV_FEAT_RCTG) 1434 { 1435 bta_av_rc_create(p_cb, AVCT_ACP, 0, p_lcb->lidx); 1436 } 1437 /* this entry is not used yet. */ 1438 p_cb->conn_lcb |= mask; /* mark it as used */ 1439 APPL_TRACE_DEBUG1("start sig timer %d", p_data->hdr.offset); 1440 if (p_data->hdr.offset == AVDT_ACP) 1441 { 1442 APPL_TRACE_DEBUG1("Incoming L2CAP acquired, set state as incoming", NULL); 1443 bdcpy(p_cb->p_scb[xx]->peer_addr, p_data->str_msg.bd_addr); 1444 p_cb->p_scb[xx]->use_rc = TRUE; /* allowing RC for incoming connection */ 1445 bta_av_ssm_execute(p_cb->p_scb[xx], BTA_AV_ACP_CONNECT_EVT, p_data); 1446 1447 /* The Pending Event should be sent as soon as the L2CAP signalling channel 1448 * is set up, which is NOW. Earlier this was done only after 1449 * BTA_AV_SIG_TIME_VAL milliseconds. 1450 * The following function shall send the event and start the recurring timer 1451 */ 1452 bta_av_sig_timer(NULL); 1453 1454 /* Possible collision : need to avoid outgoing processing while the timer is running */ 1455 p_cb->p_scb[xx]->coll_mask = BTA_AV_COLL_INC_TMR; 1456 1457 p_cb->acp_sig_tmr.param = (UINT32)xx; 1458 p_cb->acp_sig_tmr.p_cback = (TIMER_CBACK*)&bta_av_acp_sig_timer_cback; 1459 bta_sys_start_timer(&p_cb->acp_sig_tmr, 0, BTA_AV_ACP_SIG_TIME_VAL); 1460 } 1461 break; 1462 } 1463 } 1464 1465 /* check if we found something */ 1466 if (xx == BTA_AV_NUM_LINKS) 1467 { 1468 /* We do not have scb for this avdt connection. */ 1469 /* Silently close the connection. */ 1470 APPL_TRACE_ERROR0("av scb not available for avdt connection"); 1471 AVDT_DisconnectReq (p_data->str_msg.bd_addr, NULL); 1472 return; 1473 } 1474 } 1475 } 1476 #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) 1477 else if (event == BTA_AR_AVDT_CONN_EVT) 1478 { 1479 bta_sys_stop_timer(&bta_av_cb.sig_tmr); 1480 } 1481 #endif 1482 else 1483 { 1484 /* disconnected. */ 1485 p_lcb = bta_av_find_lcb(p_data->str_msg.bd_addr, BTA_AV_LCB_FREE); 1486 if(p_lcb && p_lcb->conn_msk) 1487 { 1488 APPL_TRACE_DEBUG1("conn_msk: 0x%x", p_lcb->conn_msk); 1489 /* clean up ssm */ 1490 for(xx=0; xx < BTA_AV_NUM_STRS; xx++) 1491 { 1492 mask = 1 << (xx + 1); 1493 if ((mask & p_lcb->conn_msk) && (p_cb->p_scb[xx]) && 1494 (bdcmp(p_cb->p_scb[xx]->peer_addr, p_data->str_msg.bd_addr) == 0)) 1495 { 1496 bta_av_ssm_execute(p_cb->p_scb[xx], BTA_AV_AVDT_DISCONNECT_EVT, NULL); 1497 } 1498 } 1499 } 1500 } 1501 APPL_TRACE_DEBUG1("conn_lcb: 0x%x", p_cb->conn_lcb); 1502 } 1503 1504 /******************************************************************************* 1505 ** 1506 ** Function bta_av_sig_timer 1507 ** 1508 ** Description process the signal channel timer. This timer is started 1509 ** when the AVDTP signal channel is connected. If no profile 1510 ** is connected, the timer goes off every BTA_AV_SIG_TIME_VAL 1511 ** 1512 ** Returns void 1513 ** 1514 *******************************************************************************/ 1515 void bta_av_sig_timer(tBTA_AV_DATA *p_data) 1516 { 1517 tBTA_AV_CB *p_cb = &bta_av_cb; 1518 int xx; 1519 UINT8 mask; 1520 tBTA_AV_LCB *p_lcb = NULL; 1521 tBTA_AV_PEND pend; 1522 1523 APPL_TRACE_DEBUG0("bta_av_sig_timer"); 1524 for(xx=0; xx<BTA_AV_NUM_LINKS; xx++) 1525 { 1526 mask = 1 << xx; 1527 if(mask & p_cb->conn_lcb) 1528 { 1529 /* this entry is used. check if it is connected */ 1530 p_lcb = &p_cb->lcb[xx]; 1531 if(!p_lcb->conn_msk) 1532 { 1533 bta_sys_start_timer(&p_cb->sig_tmr, BTA_AV_SIG_TIMER_EVT, BTA_AV_SIG_TIME_VAL); 1534 bdcpy(pend.bd_addr, p_lcb->addr); 1535 (*p_cb->p_cback)(BTA_AV_PENDING_EVT, (tBTA_AV *) &pend); 1536 } 1537 } 1538 } 1539 } 1540 1541 /******************************************************************************* 1542 ** 1543 ** Function bta_av_acp_sig_timer_cback 1544 ** 1545 ** Description Process the timeout when SRC is accepting connection 1546 ** and SNK did not start signalling. 1547 ** 1548 ** Returns void 1549 ** 1550 *******************************************************************************/ 1551 static void bta_av_acp_sig_timer_cback (TIMER_LIST_ENT *p_tle) 1552 { 1553 UINT8 inx = (UINT8)p_tle->param; 1554 tBTA_AV_CB *p_cb = &bta_av_cb; 1555 tBTA_AV_SCB *p_scb = p_cb->p_scb[inx]; 1556 tBTA_AV_API_OPEN *p_buf; 1557 1558 if (p_scb) 1559 { 1560 APPL_TRACE_DEBUG1("bta_av_acp_sig_timer_cback, coll_mask = 0x%02X", p_scb->coll_mask); 1561 1562 if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR) 1563 { 1564 p_scb->coll_mask &= ~BTA_AV_COLL_INC_TMR; 1565 1566 if (bta_av_is_scb_opening(p_scb)) 1567 { 1568 if (p_scb->p_disc_db) 1569 { 1570 /* We are still doing SDP. Run the timer again. */ 1571 p_scb->coll_mask |= BTA_AV_COLL_INC_TMR; 1572 1573 p_cb->acp_sig_tmr.param = (UINT32)inx; 1574 p_cb->acp_sig_tmr.p_cback = (TIMER_CBACK *)&bta_av_acp_sig_timer_cback; 1575 bta_sys_start_timer(&p_cb->acp_sig_tmr, 0, BTA_AV_ACP_SIG_TIME_VAL); 1576 } 1577 else 1578 { 1579 /* SNK did not start signalling, resume signalling process. */ 1580 bta_av_discover_req (p_scb, NULL); 1581 } 1582 } 1583 else if (bta_av_is_scb_incoming(p_scb)) 1584 { 1585 /* Stay in incoming state if SNK does not start signalling */ 1586 1587 /* API open was called right after SNK opened L2C connection. */ 1588 if (p_scb->coll_mask & BTA_AV_COLL_API_CALLED) 1589 { 1590 p_scb->coll_mask &= ~BTA_AV_COLL_API_CALLED; 1591 1592 /* BTA_AV_API_OPEN_EVT */ 1593 if ((p_buf = (tBTA_AV_API_OPEN *) GKI_getbuf(sizeof(tBTA_AV_API_OPEN))) != NULL) 1594 { 1595 memcpy(p_buf, &(p_scb->open_api), sizeof(tBTA_AV_API_OPEN)); 1596 bta_sys_sendmsg(p_buf); 1597 } 1598 } 1599 } 1600 } 1601 } 1602 } 1603 1604 /******************************************************************************* 1605 ** 1606 ** Function bta_av_check_peer_features 1607 ** 1608 ** Description check supported features on the peer device from the SDP record 1609 ** and return the feature mask 1610 ** 1611 ** Returns tBTA_AV_FEAT peer device feature mask 1612 ** 1613 *******************************************************************************/ 1614 tBTA_AV_FEAT bta_av_check_peer_features (UINT16 service_uuid) 1615 { 1616 tBTA_AV_FEAT peer_features = 0; 1617 tBTA_AV_CB *p_cb = &bta_av_cb; 1618 tSDP_DISC_REC *p_rec = NULL; 1619 tSDP_DISC_ATTR *p_attr; 1620 UINT16 peer_rc_version=0; 1621 UINT16 categories = 0; 1622 1623 APPL_TRACE_DEBUG1("bta_av_check_peer_features service_uuid:x%x", service_uuid); 1624 /* loop through all records we found */ 1625 while (TRUE) 1626 { 1627 /* get next record; if none found, we're done */ 1628 if ((p_rec = SDP_FindServiceInDb(p_cb->p_disc_db, service_uuid, p_rec)) == NULL) 1629 { 1630 break; 1631 } 1632 1633 if (( SDP_FindAttributeInRec(p_rec, ATTR_ID_SERVICE_CLASS_ID_LIST)) != NULL) 1634 { 1635 /* find peer features */ 1636 if (SDP_FindServiceInDb(p_cb->p_disc_db, UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL)) 1637 { 1638 peer_features |= BTA_AV_FEAT_RCCT; 1639 } 1640 if (SDP_FindServiceInDb(p_cb->p_disc_db, UUID_SERVCLASS_AV_REM_CTRL_TARGET, NULL)) 1641 { 1642 peer_features |= BTA_AV_FEAT_RCTG; 1643 } 1644 } 1645 1646 if (( SDP_FindAttributeInRec(p_rec, ATTR_ID_BT_PROFILE_DESC_LIST)) != NULL) 1647 { 1648 /* get profile version (if failure, version parameter is not updated) */ 1649 SDP_FindProfileVersionInRec(p_rec, UUID_SERVCLASS_AV_REMOTE_CONTROL, &peer_rc_version); 1650 APPL_TRACE_DEBUG1("peer_rc_version 0x%x", peer_rc_version); 1651 1652 if (peer_rc_version >= AVRC_REV_1_3) 1653 peer_features |= (BTA_AV_FEAT_VENDOR | BTA_AV_FEAT_METADATA); 1654 1655 if (peer_rc_version >= AVRC_REV_1_4) 1656 { 1657 peer_features |= (BTA_AV_FEAT_ADV_CTRL); 1658 /* get supported categories */ 1659 if ((p_attr = SDP_FindAttributeInRec(p_rec, 1660 ATTR_ID_SUPPORTED_FEATURES)) != NULL) 1661 { 1662 categories = p_attr->attr_value.v.u16; 1663 if (categories & AVRC_SUPF_CT_BROWSE) 1664 peer_features |= (BTA_AV_FEAT_BROWSE); 1665 } 1666 } 1667 } 1668 } 1669 APPL_TRACE_DEBUG1("peer_features:x%x", peer_features); 1670 return peer_features; 1671 } 1672 1673 /******************************************************************************* 1674 ** 1675 ** Function bta_av_rc_disc_done 1676 ** 1677 ** Description Handle AVRCP service discovery results. If matching 1678 ** service found, open AVRCP connection. 1679 ** 1680 ** Returns void 1681 ** 1682 *******************************************************************************/ 1683 void bta_av_rc_disc_done(tBTA_AV_DATA *p_data) 1684 { 1685 tBTA_AV_CB *p_cb = &bta_av_cb; 1686 tBTA_AV_SCB *p_scb = NULL; 1687 tBTA_AV_LCB *p_lcb; 1688 tBTA_AV_RC_OPEN rc_open; 1689 tBTA_AV_RC_FEAT rc_feat; 1690 UINT8 rc_handle; 1691 tBTA_AV_FEAT peer_features; /* peer features mask */ 1692 1693 APPL_TRACE_DEBUG1("bta_av_rc_disc_done disc:x%x", p_cb->disc); 1694 if (!p_cb->disc) 1695 { 1696 return; 1697 } 1698 1699 if ((p_cb->disc & BTA_AV_CHNL_MSK) == BTA_AV_CHNL_MSK) 1700 { 1701 /* this is the rc handle/index to tBTA_AV_RCB */ 1702 rc_handle = p_cb->disc & (~BTA_AV_CHNL_MSK); 1703 } 1704 else 1705 { 1706 p_scb = p_cb->p_scb[(p_cb->disc & BTA_AV_HNDL_MSK) - 1]; 1707 if (p_scb) 1708 rc_handle = p_scb->rc_handle; 1709 else 1710 { 1711 p_cb->disc = 0; 1712 return; 1713 } 1714 } 1715 1716 APPL_TRACE_DEBUG1("rc_handle %d", rc_handle); 1717 /* check peer version and whether support CT and TG role */ 1718 peer_features = bta_av_check_peer_features (UUID_SERVCLASS_AV_REMOTE_CONTROL); 1719 if ((p_cb->features & BTA_AV_FEAT_ADV_CTRL) && ((peer_features&BTA_AV_FEAT_ADV_CTRL) == 0)) 1720 { 1721 /* if we support advance control and peer does not, check their support on TG role 1722 * some implementation uses 1.3 on CT ans 1.4 on TG */ 1723 peer_features |= bta_av_check_peer_features (UUID_SERVCLASS_AV_REM_CTRL_TARGET); 1724 } 1725 1726 p_cb->disc = 0; 1727 utl_freebuf((void **) &p_cb->p_disc_db); 1728 1729 APPL_TRACE_DEBUG2("peer_features 0x%x, features 0x%x", peer_features, p_cb->features); 1730 1731 /* if we have no rc connection */ 1732 if (rc_handle == BTA_AV_RC_HANDLE_NONE) 1733 { 1734 if (p_scb) 1735 { 1736 /* if peer remote control service matches ours and USE_RC is TRUE */ 1737 if ((((p_cb->features & BTA_AV_FEAT_RCCT) && (peer_features & BTA_AV_FEAT_RCTG)) || 1738 ((p_cb->features & BTA_AV_FEAT_RCTG) && (peer_features & BTA_AV_FEAT_RCCT))) ) 1739 { 1740 p_lcb = bta_av_find_lcb(p_scb->peer_addr, BTA_AV_LCB_FIND); 1741 if(p_lcb) 1742 { 1743 rc_handle = bta_av_rc_create(p_cb, AVCT_INT, (UINT8)(p_scb->hdi + 1), p_lcb->lidx); 1744 p_cb->rcb[rc_handle].peer_features = peer_features; 1745 } 1746 #if (BT_USE_TRACES == TRUE || BT_TRACE_APPL == TRUE) 1747 else 1748 { 1749 APPL_TRACE_ERROR0("can not find LCB!!"); 1750 } 1751 #endif 1752 } 1753 else if(p_scb->use_rc) 1754 { 1755 /* can not find AVRC on peer device. report failure */ 1756 p_scb->use_rc = FALSE; 1757 bdcpy(rc_open.peer_addr, p_scb->peer_addr); 1758 rc_open.peer_features = 0; 1759 rc_open.status = BTA_AV_FAIL_SDP; 1760 (*p_cb->p_cback)(BTA_AV_RC_OPEN_EVT, (tBTA_AV *) &rc_open); 1761 } 1762 } 1763 } 1764 else 1765 { 1766 p_cb->rcb[rc_handle].peer_features = peer_features; 1767 rc_feat.rc_handle = rc_handle; 1768 rc_feat.peer_features = peer_features; 1769 (*p_cb->p_cback)(BTA_AV_RC_FEAT_EVT, (tBTA_AV *) &rc_feat); 1770 } 1771 } 1772 1773 /******************************************************************************* 1774 ** 1775 ** Function bta_av_rc_closed 1776 ** 1777 ** Description Set AVRCP state to closed. 1778 ** 1779 ** Returns void 1780 ** 1781 *******************************************************************************/ 1782 void bta_av_rc_closed(tBTA_AV_DATA *p_data) 1783 { 1784 tBTA_AV_CB *p_cb = &bta_av_cb; 1785 tBTA_AV_RC_CLOSE rc_close; 1786 tBTA_AV_RC_CONN_CHG *p_msg = (tBTA_AV_RC_CONN_CHG *)p_data; 1787 tBTA_AV_RCB *p_rcb; 1788 tBTA_AV_SCB *p_scb; 1789 int i; 1790 BOOLEAN conn = FALSE; 1791 tBTA_AV_LCB *p_lcb; 1792 1793 rc_close.rc_handle = BTA_AV_RC_HANDLE_NONE; 1794 APPL_TRACE_DEBUG1("bta_av_rc_closed rc_handle:%d", p_msg->handle); 1795 for(i=0; i<BTA_AV_NUM_RCB; i++) 1796 { 1797 p_rcb = &p_cb->rcb[i]; 1798 APPL_TRACE_DEBUG3("bta_av_rc_closed rcb[%d] rc_handle:%d, status=0x%x", i, p_rcb->handle, p_rcb->status); 1799 if(p_rcb->handle == p_msg->handle) 1800 { 1801 rc_close.rc_handle = i; 1802 p_rcb->status &= ~BTA_AV_RC_CONN_MASK; 1803 p_rcb->peer_features = 0; 1804 APPL_TRACE_DEBUG2(" shdl:%d, lidx:%d", p_rcb->shdl, p_rcb->lidx); 1805 if(p_rcb->shdl) 1806 { 1807 p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1]; 1808 if(p_scb) 1809 { 1810 bdcpy(rc_close.peer_addr, p_scb->peer_addr); 1811 if(p_scb->rc_handle == p_rcb->handle) 1812 p_scb->rc_handle = BTA_AV_RC_HANDLE_NONE; 1813 APPL_TRACE_DEBUG2("shdl:%d, srch:%d", p_rcb->shdl, p_scb->rc_handle); 1814 } 1815 p_rcb->shdl = 0; 1816 } 1817 else if(p_rcb->lidx == (BTA_AV_NUM_LINKS + 1) ) 1818 { 1819 /* if the RCB uses the extra LCB, use the addr for event and clean it */ 1820 p_lcb = &p_cb->lcb[BTA_AV_NUM_LINKS]; 1821 bdcpy(rc_close.peer_addr, p_msg->peer_addr); 1822 APPL_TRACE_DEBUG6("rc_only closed bd_addr:%02x-%02x-%02x-%02x-%02x-%02x", 1823 p_msg->peer_addr[0], p_msg->peer_addr[1], 1824 p_msg->peer_addr[2], p_msg->peer_addr[3], 1825 p_msg->peer_addr[4], p_msg->peer_addr[5]); 1826 p_lcb->conn_msk = 0; 1827 p_lcb->lidx = 0; 1828 } 1829 p_rcb->lidx = 0; 1830 1831 if((p_rcb->status & BTA_AV_RC_ROLE_MASK) == BTA_AV_RC_ROLE_INT) 1832 { 1833 /* AVCT CCB is deallocated */ 1834 p_rcb->handle = BTA_AV_RC_HANDLE_NONE; 1835 p_rcb->status = 0; 1836 } 1837 else 1838 { 1839 /* AVCT CCB is still there. dealloc */ 1840 bta_av_del_rc(p_rcb); 1841 1842 /* if the AVRCP is no longer listening, create the listening channel */ 1843 if (bta_av_cb.rc_acp_handle == BTA_AV_RC_HANDLE_NONE && bta_av_cb.features & BTA_AV_FEAT_RCTG) 1844 bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1); 1845 } 1846 } 1847 else if((p_rcb->handle != BTA_AV_RC_HANDLE_NONE) && (p_rcb->status & BTA_AV_RC_CONN_MASK)) 1848 { 1849 /* at least one channel is still connected */ 1850 conn = TRUE; 1851 } 1852 } 1853 1854 if(!conn) 1855 { 1856 /* no AVRC channels are connected, go back to INIT state */ 1857 bta_av_sm_execute(p_cb, BTA_AV_AVRC_NONE_EVT, NULL); 1858 } 1859 1860 if (rc_close.rc_handle == BTA_AV_RC_HANDLE_NONE) 1861 { 1862 rc_close.rc_handle = p_msg->handle; 1863 bdcpy(rc_close.peer_addr, p_msg->peer_addr); 1864 } 1865 (*p_cb->p_cback)(BTA_AV_RC_CLOSE_EVT, (tBTA_AV *) &rc_close); 1866 } 1867 1868 /******************************************************************************* 1869 ** 1870 ** Function bta_av_rc_disc 1871 ** 1872 ** Description start AVRC SDP discovery. 1873 ** 1874 ** Returns void 1875 ** 1876 *******************************************************************************/ 1877 void bta_av_rc_disc(UINT8 disc) 1878 { 1879 tBTA_AV_CB *p_cb = &bta_av_cb; 1880 tAVRC_SDP_DB_PARAMS db_params; 1881 UINT16 attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST, 1882 ATTR_ID_BT_PROFILE_DESC_LIST, 1883 ATTR_ID_SUPPORTED_FEATURES}; 1884 UINT8 hdi; 1885 tBTA_AV_SCB *p_scb; 1886 UINT8 *p_addr = NULL; 1887 UINT8 rc_handle; 1888 1889 APPL_TRACE_DEBUG2("bta_av_rc_disc 0x%x, %d", disc, bta_av_cb.disc); 1890 if ((bta_av_cb.disc != 0) || (disc == 0)) 1891 return; 1892 1893 if ((disc & BTA_AV_CHNL_MSK) == BTA_AV_CHNL_MSK) 1894 { 1895 /* this is the rc handle/index to tBTA_AV_RCB */ 1896 rc_handle = disc & (~BTA_AV_CHNL_MSK); 1897 if (p_cb->rcb[rc_handle].lidx) 1898 { 1899 p_addr = p_cb->lcb[p_cb->rcb[rc_handle].lidx-1].addr; 1900 } 1901 } 1902 else 1903 { 1904 hdi = (disc & BTA_AV_HNDL_MSK) - 1; 1905 p_scb = p_cb->p_scb[hdi]; 1906 1907 if (p_scb) 1908 { 1909 APPL_TRACE_DEBUG1("rc_handle %d", p_scb->rc_handle); 1910 p_addr = p_scb->peer_addr; 1911 } 1912 } 1913 1914 if (p_addr) 1915 { 1916 /* allocate discovery database */ 1917 if (p_cb->p_disc_db == NULL) 1918 { 1919 p_cb->p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(BTA_AV_DISC_BUF_SIZE); 1920 } 1921 1922 if (p_cb->p_disc_db) 1923 { 1924 /* set up parameters */ 1925 db_params.db_len = BTA_AV_DISC_BUF_SIZE; 1926 db_params.num_attr = 3; 1927 db_params.p_db = p_cb->p_disc_db; 1928 db_params.p_attrs = attr_list; 1929 1930 /* searching for UUID_SERVCLASS_AV_REMOTE_CONTROL gets both TG and CT */ 1931 if (AVRC_FindService(UUID_SERVCLASS_AV_REMOTE_CONTROL, p_addr, &db_params, 1932 bta_av_avrc_sdp_cback) == AVRC_SUCCESS) 1933 { 1934 p_cb->disc = disc; 1935 APPL_TRACE_DEBUG1("disc %d", p_cb->disc); 1936 } 1937 } 1938 } 1939 } 1940 1941 /******************************************************************************* 1942 ** 1943 ** Function bta_av_dereg_comp 1944 ** 1945 ** Description deregister complete. free the stream control block. 1946 ** 1947 ** Returns void 1948 ** 1949 *******************************************************************************/ 1950 void bta_av_dereg_comp(tBTA_AV_DATA *p_data) 1951 { 1952 tBTA_AV_CB *p_cb = &bta_av_cb; 1953 tBTA_AV_SCB *p_scb; 1954 tBTA_UTL_COD cod; 1955 UINT8 mask; 1956 BT_HDR *p_buf; 1957 1958 /* find the stream control block */ 1959 p_scb = bta_av_hndl_to_scb(p_data->hdr.layer_specific); 1960 1961 if(p_scb) 1962 { 1963 APPL_TRACE_DEBUG2("deregistered %d(h%d)", p_scb->chnl, p_scb->hndl); 1964 mask = BTA_AV_HNDL_TO_MSK(p_scb->hdi); 1965 if(p_scb->chnl == BTA_AV_CHNL_AUDIO) 1966 { 1967 p_cb->reg_audio &= ~mask; 1968 if ((p_cb->conn_audio & mask) && bta_av_cb.audio_open_cnt) 1969 { 1970 /* this channel is still marked as open. decrease the count */ 1971 bta_av_cb.audio_open_cnt--; 1972 } 1973 p_cb->conn_audio &= ~mask; 1974 1975 if (p_scb->q_tag == BTA_AV_Q_TAG_STREAM) 1976 { 1977 /* make sure no buffers are in q_info.a2d */ 1978 while((p_buf = (BT_HDR*)GKI_dequeue (&p_scb->q_info.a2d)) != NULL) 1979 GKI_freebuf(p_buf); 1980 } 1981 1982 /* remove the A2DP SDP record, if no more audio stream is left */ 1983 if(!p_cb->reg_audio) 1984 { 1985 #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) 1986 bta_ar_dereg_avrc (UUID_SERVCLASS_AV_REMOTE_CONTROL, BTA_ID_AV); 1987 #endif 1988 bta_av_del_sdp_rec(&p_cb->sdp_a2d_handle); 1989 bta_sys_remove_uuid(UUID_SERVCLASS_AUDIO_SOURCE); 1990 } 1991 } 1992 else 1993 { 1994 p_cb->reg_video &= ~mask; 1995 /* make sure that this channel is not connected */ 1996 p_cb->conn_video &= ~mask; 1997 /* remove the VDP SDP record, (only one video stream at most) */ 1998 bta_av_del_sdp_rec(&p_cb->sdp_vdp_handle); 1999 bta_sys_remove_uuid(UUID_SERVCLASS_VIDEO_SOURCE); 2000 } 2001 2002 /* make sure that the timer is not active */ 2003 bta_sys_stop_timer(&p_scb->timer); 2004 utl_freebuf((void **)&p_cb->p_scb[p_scb->hdi]); 2005 } 2006 2007 APPL_TRACE_DEBUG3("audio 0x%x, video: 0x%x, disable:%d", 2008 p_cb->reg_audio, p_cb->reg_video, p_cb->disabling); 2009 /* if no stream control block is active */ 2010 if((p_cb->reg_audio + p_cb->reg_video) == 0) 2011 { 2012 #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) 2013 /* deregister from AVDT */ 2014 bta_ar_dereg_avdt(BTA_ID_AV); 2015 2016 /* deregister from AVCT */ 2017 bta_ar_dereg_avrc (UUID_SERVCLASS_AV_REM_CTRL_TARGET, BTA_ID_AV); 2018 bta_ar_dereg_avct(BTA_ID_AV); 2019 #endif 2020 2021 if(p_cb->disabling) 2022 { 2023 p_cb->disabling = FALSE; 2024 bta_av_cb.features = 0; 2025 } 2026 2027 /* Clear the Capturing service class bit */ 2028 cod.service = BTM_COD_SERVICE_CAPTURING; 2029 utl_set_device_class(&cod, BTA_UTL_CLR_COD_SERVICE_CLASS); 2030 } 2031 } 2032 #endif /* BTA_AV_INCLUDED */ 2033
