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 stream 22 * state machine. these functions are shared by both audio and video 23 * streams. 24 * 25 ******************************************************************************/ 26 27 #include "bt_target.h" 28 #if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE) 29 30 #include <assert.h> 31 #include <string.h> 32 33 #include <cutils/properties.h> 34 35 #include "bta_av_int.h" 36 #include "avdt_api.h" 37 #include "utl.h" 38 #include "l2c_api.h" 39 #include "l2cdefs.h" 40 #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) 41 #include "bta_ar_api.h" 42 #endif 43 44 /***************************************************************************** 45 ** Constants 46 *****************************************************************************/ 47 48 /* the delay time in milliseconds to start service discovery on AVRCP */ 49 #ifndef BTA_AV_RC_DISC_TIME_VAL 50 #define BTA_AV_RC_DISC_TIME_VAL 3500 51 #endif 52 53 /* the timer in milliseconds to guard against link busy and AVDT_CloseReq failed to be sent */ 54 #ifndef BTA_AV_CLOSE_REQ_TIME_VAL 55 #define BTA_AV_CLOSE_REQ_TIME_VAL 4000 56 #endif 57 58 /* number to retry on reconfigure failure - some headsets requirs this number to be more than 1 */ 59 #ifndef BTA_AV_RECONFIG_RETRY 60 #define BTA_AV_RECONFIG_RETRY 6 61 #endif 62 63 static void bta_av_st_rc_timer(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data); 64 65 /* state machine states */ 66 enum 67 { 68 BTA_AV_INIT_SST, 69 BTA_AV_INCOMING_SST, 70 BTA_AV_OPENING_SST, 71 BTA_AV_OPEN_SST, 72 BTA_AV_RCFG_SST, 73 BTA_AV_CLOSING_SST 74 }; 75 76 77 /* the call out functions for audio stream */ 78 const tBTA_AV_CO_FUNCTS bta_av_a2d_cos = 79 { 80 bta_av_co_audio_init, 81 bta_av_co_audio_disc_res, 82 bta_av_co_audio_getconfig, 83 bta_av_co_audio_setconfig, 84 bta_av_co_audio_open, 85 bta_av_co_audio_close, 86 bta_av_co_audio_start, 87 bta_av_co_audio_stop, 88 bta_av_co_audio_src_data_path, 89 bta_av_co_audio_delay 90 }; 91 92 /* ssm action functions for audio stream */ 93 const tBTA_AV_SACT bta_av_a2d_action[] = 94 { 95 bta_av_do_disc_a2d, /* BTA_AV_DO_DISC */ 96 bta_av_cleanup, /* BTA_AV_CLEANUP */ 97 bta_av_free_sdb, /* BTA_AV_FREE_SDB */ 98 bta_av_config_ind, /* BTA_AV_CONFIG_IND */ 99 bta_av_disconnect_req, /* BTA_AV_DISCONNECT_REQ */ 100 bta_av_security_req, /* BTA_AV_SECURITY_REQ */ 101 bta_av_security_rsp, /* BTA_AV_SECURITY_RSP */ 102 bta_av_setconfig_rsp, /* BTA_AV_SETCONFIG_RSP */ 103 bta_av_st_rc_timer, /* BTA_AV_ST_RC_TIMER */ 104 bta_av_str_opened, /* BTA_AV_STR_OPENED */ 105 bta_av_security_ind, /* BTA_AV_SECURITY_IND */ 106 bta_av_security_cfm, /* BTA_AV_SECURITY_CFM */ 107 bta_av_do_close, /* BTA_AV_DO_CLOSE */ 108 bta_av_connect_req, /* BTA_AV_CONNECT_REQ */ 109 bta_av_sdp_failed, /* BTA_AV_SDP_FAILED */ 110 bta_av_disc_results, /* BTA_AV_DISC_RESULTS */ 111 bta_av_disc_res_as_acp, /* BTA_AV_DISC_RES_AS_ACP */ 112 bta_av_open_failed, /* BTA_AV_OPEN_FAILED */ 113 bta_av_getcap_results, /* BTA_AV_GETCAP_RESULTS */ 114 bta_av_setconfig_rej, /* BTA_AV_SETCONFIG_REJ */ 115 bta_av_discover_req, /* BTA_AV_DISCOVER_REQ */ 116 bta_av_conn_failed, /* BTA_AV_CONN_FAILED */ 117 bta_av_do_start, /* BTA_AV_DO_START */ 118 bta_av_str_stopped, /* BTA_AV_STR_STOPPED */ 119 bta_av_reconfig, /* BTA_AV_RECONFIG */ 120 bta_av_data_path, /* BTA_AV_DATA_PATH */ 121 bta_av_start_ok, /* BTA_AV_START_OK */ 122 bta_av_start_failed, /* BTA_AV_START_FAILED */ 123 bta_av_str_closed, /* BTA_AV_STR_CLOSED */ 124 bta_av_clr_cong, /* BTA_AV_CLR_CONG */ 125 bta_av_suspend_cfm, /* BTA_AV_SUSPEND_CFM */ 126 bta_av_rcfg_str_ok, /* BTA_AV_RCFG_STR_OK */ 127 bta_av_rcfg_failed, /* BTA_AV_RCFG_FAILED */ 128 bta_av_rcfg_connect, /* BTA_AV_RCFG_CONNECT */ 129 bta_av_rcfg_discntd, /* BTA_AV_RCFG_DISCNTD */ 130 bta_av_suspend_cont, /* BTA_AV_SUSPEND_CONT */ 131 bta_av_rcfg_cfm, /* BTA_AV_RCFG_CFM */ 132 bta_av_rcfg_open, /* BTA_AV_RCFG_OPEN */ 133 bta_av_security_rej, /* BTA_AV_SECURITY_REJ */ 134 bta_av_open_rc, /* BTA_AV_OPEN_RC */ 135 bta_av_chk_2nd_start, /* BTA_AV_CHK_2ND_START */ 136 bta_av_save_caps, /* BTA_AV_SAVE_CAPS */ 137 bta_av_set_use_rc, /* BTA_AV_SET_USE_RC */ 138 bta_av_cco_close, /* BTA_AV_CCO_CLOSE */ 139 bta_av_switch_role, /* BTA_AV_SWITCH_ROLE */ 140 bta_av_role_res, /* BTA_AV_ROLE_RES */ 141 bta_av_delay_co, /* BTA_AV_DELAY_CO */ 142 bta_av_open_at_inc, /* BTA_AV_OPEN_AT_INC */ 143 NULL 144 }; 145 146 /* these tables translate AVDT events to SSM events */ 147 static const UINT16 bta_av_stream_evt_ok[] = { 148 BTA_AV_STR_DISC_OK_EVT, /* AVDT_DISCOVER_CFM_EVT */ 149 BTA_AV_STR_GETCAP_OK_EVT, /* AVDT_GETCAP_CFM_EVT */ 150 BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_CFM_EVT */ 151 BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_IND_EVT */ 152 BTA_AV_STR_CONFIG_IND_EVT, /* AVDT_CONFIG_IND_EVT */ 153 BTA_AV_STR_START_OK_EVT, /* AVDT_START_CFM_EVT */ 154 BTA_AV_STR_START_OK_EVT, /* AVDT_START_IND_EVT */ 155 BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_CFM_EVT */ 156 BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_IND_EVT */ 157 BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_CFM_EVT */ 158 BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_IND_EVT */ 159 BTA_AV_STR_RECONFIG_CFM_EVT, /* AVDT_RECONFIG_CFM_EVT */ 160 0, /* AVDT_RECONFIG_IND_EVT */ 161 BTA_AV_STR_SECURITY_CFM_EVT, /* AVDT_SECURITY_CFM_EVT */ 162 BTA_AV_STR_SECURITY_IND_EVT, /* AVDT_SECURITY_IND_EVT */ 163 BTA_AV_STR_WRITE_CFM_EVT, /* AVDT_WRITE_CFM_EVT */ 164 BTA_AV_AVDT_CONNECT_EVT, /* AVDT_CONNECT_IND_EVT */ 165 BTA_AV_AVDT_DISCONNECT_EVT, /* AVDT_DISCONNECT_IND_EVT */ 166 #if (AVDT_REPORTING == TRUE) 167 BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_CONN_EVT */ 168 BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_DISCONN_EVT */ 169 #endif 170 BTA_AV_AVDT_DELAY_RPT_EVT, /* AVDT_DELAY_REPORT_EVT */ 171 0 /* AVDT_DELAY_REPORT_CFM_EVT */ 172 }; 173 174 static const UINT16 bta_av_stream_evt_fail[] = { 175 BTA_AV_STR_DISC_FAIL_EVT, /* AVDT_DISCOVER_CFM_EVT */ 176 BTA_AV_STR_GETCAP_FAIL_EVT, /* AVDT_GETCAP_CFM_EVT */ 177 BTA_AV_STR_OPEN_FAIL_EVT, /* AVDT_OPEN_CFM_EVT */ 178 BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_IND_EVT */ 179 BTA_AV_STR_CONFIG_IND_EVT, /* AVDT_CONFIG_IND_EVT */ 180 BTA_AV_STR_START_FAIL_EVT, /* AVDT_START_CFM_EVT */ 181 BTA_AV_STR_START_OK_EVT, /* AVDT_START_IND_EVT */ 182 BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_CFM_EVT */ 183 BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_IND_EVT */ 184 BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_CFM_EVT */ 185 BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_IND_EVT */ 186 BTA_AV_STR_RECONFIG_CFM_EVT, /* AVDT_RECONFIG_CFM_EVT */ 187 0, /* AVDT_RECONFIG_IND_EVT */ 188 BTA_AV_STR_SECURITY_CFM_EVT, /* AVDT_SECURITY_CFM_EVT */ 189 BTA_AV_STR_SECURITY_IND_EVT, /* AVDT_SECURITY_IND_EVT */ 190 BTA_AV_STR_WRITE_CFM_EVT, /* AVDT_WRITE_CFM_EVT */ 191 BTA_AV_AVDT_CONNECT_EVT, /* AVDT_CONNECT_IND_EVT */ 192 BTA_AV_AVDT_DISCONNECT_EVT, /* AVDT_DISCONNECT_IND_EVT */ 193 #if (AVDT_REPORTING == TRUE) 194 BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_CONN_EVT */ 195 BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_DISCONN_EVT */ 196 #endif 197 BTA_AV_AVDT_DELAY_RPT_EVT, /* AVDT_DELAY_REPORT_EVT */ 198 0 /* AVDT_DELAY_REPORT_CFM_EVT */ 199 }; 200 201 void bta_av_stream_data_cback(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, UINT8 m_pt); 202 static void bta_av_stream0_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); 203 static void bta_av_stream1_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); 204 #if BTA_AV_NUM_STRS > 2 205 static void bta_av_stream2_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); 206 #endif 207 #if BTA_AV_NUM_STRS > 3 208 static void bta_av_stream3_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); 209 #endif 210 #if BTA_AV_NUM_STRS > 4 211 static void bta_av_stream4_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); 212 #endif 213 #if BTA_AV_NUM_STRS > 5 214 static void bta_av_stream5_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); 215 #endif 216 /* the array of callback functions to receive events from AVDT control channel */ 217 tAVDT_CTRL_CBACK * const bta_av_dt_cback[] = 218 { 219 bta_av_stream0_cback 220 ,bta_av_stream1_cback 221 #if BTA_AV_NUM_STRS > 2 222 ,bta_av_stream2_cback 223 #endif 224 #if BTA_AV_NUM_STRS > 3 225 ,bta_av_stream3_cback 226 #endif 227 #if BTA_AV_NUM_STRS > 4 228 ,bta_av_stream4_cback 229 #endif 230 #if BTA_AV_NUM_STRS > 5 231 ,bta_av_stream5_cback 232 #endif 233 }; 234 /*********************************************** 235 ** 236 ** Function bta_get_scb_handle 237 ** 238 ** Description gives the registered AVDT handle.by checking with sep_type. 239 ** 240 ** 241 ** Returns void 242 ***********************************************/ 243 static UINT8 bta_av_get_scb_handle(tBTA_AV_SCB *p_scb, UINT8 local_sep) 244 { 245 UINT8 xx =0; 246 for (xx = 0; xx<BTA_AV_MAX_SEPS; xx++) 247 { 248 if ((p_scb->seps[xx].tsep == local_sep) && 249 (p_scb->seps[xx].codec_type == p_scb->codec_type)) 250 return (p_scb->seps[xx].av_handle); 251 } 252 APPL_TRACE_DEBUG(" bta_av_get_scb_handle appropiate sep_type not found") 253 return 0; /* return invalid handle */ 254 } 255 256 /*********************************************** 257 ** 258 ** Function bta_av_get_scb_sep_type 259 ** 260 ** Description gives the sep type by cross-checking with AVDT handle 261 ** 262 ** 263 ** Returns void 264 ***********************************************/ 265 static UINT8 bta_av_get_scb_sep_type(tBTA_AV_SCB *p_scb, UINT8 tavdt_handle) 266 { 267 UINT8 xx =0; 268 for (xx = 0; xx<BTA_AV_MAX_SEPS; xx++) 269 { 270 if (p_scb->seps[xx].av_handle == tavdt_handle) 271 return (p_scb->seps[xx].tsep); 272 } 273 APPL_TRACE_DEBUG(" bta_av_get_scb_sep_type appropiate handle not found") 274 return 3; /* return invalid sep type */ 275 } 276 277 /******************************************************************************* 278 ** 279 ** Function bta_av_save_addr 280 ** 281 ** Description copy the bd_addr and maybe reset the supported flags 282 ** 283 ** 284 ** Returns void 285 ** 286 *******************************************************************************/ 287 static void bta_av_save_addr(tBTA_AV_SCB *p_scb, const BD_ADDR b) 288 { 289 APPL_TRACE_DEBUG("bta_av_save_addr r:%d, s:%d", 290 p_scb->recfg_sup, p_scb->suspend_sup); 291 if(bdcmp(p_scb->peer_addr, b) != 0) 292 { 293 APPL_TRACE_ERROR("reset flags"); 294 /* a new addr, reset the supported flags */ 295 p_scb->recfg_sup = TRUE; 296 p_scb->suspend_sup = TRUE; 297 } 298 299 /* do this copy anyway, just in case the first addr matches 300 * the control block one by accident */ 301 bdcpy(p_scb->peer_addr, b); 302 } 303 304 /******************************************************************************* 305 ** 306 ** Function notify_start_failed 307 ** 308 ** Description notify up-layer AV start failed 309 ** 310 ** 311 ** Returns void 312 ** 313 *******************************************************************************/ 314 static void notify_start_failed(tBTA_AV_SCB *p_scb) 315 { 316 tBTA_AV_START start; 317 /* if start failed, clear role */ 318 p_scb->role &= ~BTA_AV_ROLE_START_INT; 319 start.chnl = p_scb->chnl; 320 start.status = BTA_AV_FAIL; 321 start.initiator = TRUE; 322 start.hndl = p_scb->hndl; 323 (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start); 324 } 325 326 /******************************************************************************* 327 ** 328 ** Function bta_av_st_rc_timer 329 ** 330 ** Description start the AVRC timer if no RC connection & CT is supported & 331 ** RC is used or 332 ** as ACP (we do not really know if we want AVRC) 333 ** 334 ** Returns void 335 ** 336 *******************************************************************************/ 337 static void bta_av_st_rc_timer(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 338 { 339 UNUSED(p_data); 340 341 APPL_TRACE_DEBUG("bta_av_st_rc_timer rc_handle:%d, use_rc: %d", 342 p_scb->rc_handle, p_scb->use_rc); 343 /* for outgoing RC connection as INT/CT */ 344 if( (p_scb->rc_handle == BTA_AV_RC_HANDLE_NONE) && 345 /*(bta_av_cb.features & BTA_AV_FEAT_RCCT) &&*/ 346 (p_scb->use_rc == TRUE || (p_scb->role & BTA_AV_ROLE_AD_ACP)) ) 347 { 348 if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) == 0) 349 bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RC_DISC_TIME_VAL); 350 else 351 p_scb->wait |= BTA_AV_WAIT_CHECK_RC; 352 } 353 354 } 355 356 /******************************************************************************* 357 ** 358 ** Function bta_av_next_getcap 359 ** 360 ** Description The function gets the capabilities of the next available 361 ** stream found in the discovery results. 362 ** 363 ** Returns TRUE if we sent request to AVDT, FALSE otherwise. 364 ** 365 *******************************************************************************/ 366 static BOOLEAN bta_av_next_getcap(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 367 { 368 int i; 369 tAVDT_GETCAP_REQ *p_req; 370 BOOLEAN sent_cmd = FALSE; 371 UINT16 uuid_int = p_scb->uuid_int; 372 UINT8 sep_requested = 0; 373 374 if(uuid_int == UUID_SERVCLASS_AUDIO_SOURCE) 375 sep_requested = AVDT_TSEP_SNK; 376 else if(uuid_int == UUID_SERVCLASS_AUDIO_SINK) 377 sep_requested = AVDT_TSEP_SRC; 378 379 for (i = p_scb->sep_info_idx; i < p_scb->num_seps; i++) 380 { 381 /* steam not in use, is a sink, and is the right media type (audio/video) */ 382 if ((p_scb->sep_info[i].in_use == FALSE) && 383 (p_scb->sep_info[i].tsep == sep_requested) && 384 (p_scb->sep_info[i].media_type == p_scb->media_type)) 385 { 386 p_scb->sep_info_idx = i; 387 388 /* we got a stream; get its capabilities */ 389 if (p_scb->p_cap == NULL) 390 { 391 p_scb->p_cap = (tAVDT_CFG *) GKI_getbuf(sizeof(tAVDT_CFG)); 392 } 393 if (p_scb->p_cap == NULL) 394 { 395 i = p_scb->num_seps; 396 break; 397 } 398 if (p_scb->avdt_version >= AVDT_VERSION_SYNC) 399 { 400 p_req = AVDT_GetAllCapReq; 401 } 402 else 403 { 404 p_req = AVDT_GetCapReq; 405 } 406 (*p_req)(p_scb->peer_addr, 407 p_scb->sep_info[i].seid, 408 p_scb->p_cap, bta_av_dt_cback[p_scb->hdi]); 409 sent_cmd = TRUE; 410 break; 411 } 412 } 413 414 /* if no streams available then stream open fails */ 415 if (!sent_cmd) 416 { 417 bta_av_ssm_execute(p_scb, BTA_AV_STR_GETCAP_FAIL_EVT, p_data); 418 } 419 420 return sent_cmd; 421 422 } 423 424 /******************************************************************************* 425 ** 426 ** Function bta_av_proc_stream_evt 427 ** 428 ** Description Utility function to compose stream events. 429 ** 430 ** Returns void 431 ** 432 *******************************************************************************/ 433 static void bta_av_proc_stream_evt(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data, int index) 434 { 435 tBTA_AV_STR_MSG *p_msg; 436 UINT16 sec_len = 0; 437 tBTA_AV_SCB *p_scb = bta_av_cb.p_scb[index]; 438 int xx; 439 440 if (p_data) 441 { 442 if (event == AVDT_SECURITY_IND_EVT) 443 { 444 sec_len = (p_data->security_ind.len < BTA_AV_SECURITY_MAX_LEN) ? 445 p_data->security_ind.len : BTA_AV_SECURITY_MAX_LEN; 446 } 447 else if (event == AVDT_SECURITY_CFM_EVT && p_data->hdr.err_code == 0) 448 { 449 sec_len = (p_data->security_cfm.len < BTA_AV_SECURITY_MAX_LEN) ? 450 p_data->security_cfm.len : BTA_AV_SECURITY_MAX_LEN; 451 } 452 } 453 454 if (p_scb && (p_msg = (tBTA_AV_STR_MSG *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_STR_MSG) + sec_len))) != NULL) 455 { 456 457 /* copy event data, bd addr, and handle to event message buffer */ 458 p_msg->hdr.offset = 0; 459 460 if (bd_addr != NULL) 461 { 462 bdcpy(p_msg->bd_addr, bd_addr); 463 APPL_TRACE_DEBUG(" bd_addr:%02x-%02x-%02x-%02x-%02x-%02x", 464 bd_addr[0], bd_addr[1], 465 bd_addr[2], bd_addr[3], 466 bd_addr[4], bd_addr[5]); 467 } 468 469 if (p_data != NULL) 470 { 471 memcpy(&p_msg->msg, p_data, sizeof (tAVDT_CTRL)); 472 /* copy config params to event message buffer */ 473 switch (event) 474 { 475 case AVDT_RECONFIG_CFM_EVT: 476 APPL_TRACE_DEBUG("reconfig cfm event codec info = 0x%06x-%06x-%06x-%02x", 477 (p_msg->msg.reconfig_cfm.p_cfg->codec_info[0]<<16)+(p_msg->msg.reconfig_cfm.p_cfg->codec_info[1]<<8)+p_msg->msg.reconfig_cfm.p_cfg->codec_info[2], 478 (p_msg->msg.reconfig_cfm.p_cfg->codec_info[3]<<16)+(p_msg->msg.reconfig_cfm.p_cfg->codec_info[4]<<8)+p_msg->msg.reconfig_cfm.p_cfg->codec_info[5], 479 (p_msg->msg.reconfig_cfm.p_cfg->codec_info[6]<<16)+(p_msg->msg.reconfig_cfm.p_cfg->codec_info[7]<<8)+p_msg->msg.reconfig_cfm.p_cfg->codec_info[8], 480 p_msg->msg.reconfig_cfm.p_cfg->codec_info[9]); 481 break; 482 483 484 485 case AVDT_CONFIG_IND_EVT: 486 /* We might have 2 SEP signallings(A2DP + VDP) with one peer device on one L2CAP. 487 * If we already have a signalling connection with the bd_addr and the streaming 488 * SST is at INIT state, change it to INCOMING state to handle the signalling 489 * from the 2nd SEP. */ 490 if ((bta_av_find_lcb(bd_addr, BTA_AV_LCB_FIND) != NULL) && (bta_av_is_scb_init(p_scb))) 491 { 492 bta_av_set_scb_sst_incoming (p_scb); 493 494 /* When ACP_CONNECT_EVT was received, we put first available scb to incoming state. 495 * Later when we receive AVDT_CONFIG_IND_EVT, we use a new p_scb and set its state to 496 * incoming which we do it above. 497 * We also have to set the old p_scb state to init to be used later */ 498 for (xx = 0; xx < BTA_AV_NUM_STRS; xx++) 499 { 500 if ((bta_av_cb.p_scb[xx]) && (xx != index)) 501 { 502 if (bta_av_cb.p_scb[xx]->state == BTA_AV_INCOMING_SST) 503 { 504 bta_av_cb.p_scb[xx]->state = BTA_AV_INIT_SST; 505 bta_av_cb.p_scb[xx]->coll_mask = 0; 506 break; 507 } 508 } 509 } 510 } 511 512 memcpy(&p_msg->cfg, p_data->config_ind.p_cfg, sizeof(tAVDT_CFG)); 513 break; 514 515 case AVDT_SECURITY_IND_EVT: 516 p_msg->msg.security_ind.p_data = (UINT8 *) (p_msg + 1); 517 memcpy(p_msg->msg.security_ind.p_data, p_data->security_ind.p_data, sec_len); 518 break; 519 520 case AVDT_SECURITY_CFM_EVT: 521 p_msg->msg.security_cfm.p_data = (UINT8 *) (p_msg + 1); 522 if (p_data->hdr.err_code == 0) 523 { 524 memcpy(p_msg->msg.security_cfm.p_data, p_data->security_cfm.p_data, sec_len); 525 } 526 break; 527 case AVDT_SUSPEND_IND_EVT: 528 p_msg->msg.hdr.err_code = 0; 529 break; 530 531 default: 532 break; 533 } 534 } 535 else 536 p_msg->msg.hdr.err_code = 0; 537 538 /* look up application event */ 539 if ((p_data == NULL) || (p_data->hdr.err_code == 0)) 540 { 541 p_msg->hdr.event = bta_av_stream_evt_ok[event]; 542 } 543 else 544 { 545 p_msg->hdr.event = bta_av_stream_evt_fail[event]; 546 } 547 548 p_msg->initiator = FALSE; 549 if (event == AVDT_SUSPEND_CFM_EVT) 550 p_msg->initiator = TRUE; 551 552 APPL_TRACE_VERBOSE("hndl:x%x", p_scb->hndl); 553 p_msg->hdr.layer_specific = p_scb->hndl; 554 p_msg->handle = handle; 555 p_msg->avdt_event = event; 556 bta_sys_sendmsg(p_msg); 557 } 558 559 /* coverity[var_deref_model] */ 560 /* false-positive: bta_av_conn_cback only processes AVDT_CONNECT_IND_EVT and AVDT_DISCONNECT_IND_EVT event 561 * these 2 events always have associated p_data */ 562 if (p_data) 563 { 564 bta_av_conn_cback(handle, bd_addr, event, p_data); 565 } 566 else 567 { 568 APPL_TRACE_ERROR("%s: p_data is null", __func__); 569 } 570 } 571 572 /******************************************************************************* 573 ** 574 ** Function bta_av_stream_data_cback 575 ** 576 ** Description This is the AVDTP callback function for stream events. 577 ** 578 ** Returns void 579 ** 580 *******************************************************************************/ 581 void bta_av_stream_data_cback(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, UINT8 m_pt) 582 { 583 int index = 0; 584 tBTA_AV_SCB *p_scb ; 585 APPL_TRACE_DEBUG("bta_av_stream_data_cback avdt_handle: %d pkt_len=0x%x ofst = 0x%x", handle,p_pkt->len,p_pkt->offset); 586 APPL_TRACE_DEBUG(" Number of frames 0x%x",*((UINT8*)(p_pkt + 1) + p_pkt->offset)); 587 APPL_TRACE_DEBUG("Sequence Number 0x%x",p_pkt->layer_specific); 588 /* Get SCB and correct sep type*/ 589 for(index = 0; index < BTA_AV_NUM_STRS;index ++ ) 590 { 591 p_scb = bta_av_cb.p_scb[index]; 592 if((p_scb->avdt_handle == handle)&&(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK)) 593 break; 594 } 595 if(index == BTA_AV_NUM_STRS) /* cannot find correct handler */ 596 { 597 GKI_freebuf(p_pkt); 598 return; 599 } 600 p_pkt->event = BTA_AV_MEDIA_DATA_EVT; 601 p_scb->seps[p_scb->sep_idx].p_app_data_cback(BTA_AV_MEDIA_DATA_EVT, (tBTA_AV_MEDIA*)p_pkt); 602 GKI_freebuf(p_pkt); /* a copy of packet had been delivered, we free this buffer */ 603 } 604 605 /******************************************************************************* 606 ** 607 ** Function bta_av_stream0_cback 608 ** 609 ** Description This is the AVDTP callback function for stream events. 610 ** 611 ** Returns void 612 ** 613 *******************************************************************************/ 614 static void bta_av_stream0_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) 615 { 616 APPL_TRACE_VERBOSE("bta_av_stream0_cback avdt_handle: %d event=0x%x", handle, event); 617 bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 0); 618 } 619 620 /******************************************************************************* 621 ** 622 ** Function bta_av_stream1_cback 623 ** 624 ** Description This is the AVDTP callback function for stream events. 625 ** 626 ** Returns void 627 ** 628 *******************************************************************************/ 629 static void bta_av_stream1_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) 630 { 631 APPL_TRACE_EVENT("bta_av_stream1_cback avdt_handle: %d event=0x%x", handle, event); 632 bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 1); 633 } 634 635 #if BTA_AV_NUM_STRS > 2 636 /******************************************************************************* 637 ** 638 ** Function bta_av_stream2_cback 639 ** 640 ** Description This is the AVDTP callback function for stream events. 641 ** 642 ** Returns void 643 ** 644 *******************************************************************************/ 645 static void bta_av_stream2_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) 646 { 647 APPL_TRACE_EVENT("bta_av_stream2_cback avdt_handle: %d event=0x%x", handle, event); 648 bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 2); 649 } 650 #endif 651 652 #if BTA_AV_NUM_STRS > 3 653 /******************************************************************************* 654 ** 655 ** Function bta_av_stream3_cback 656 ** 657 ** Description This is the AVDTP callback function for stream events. 658 ** 659 ** Returns void 660 ** 661 *******************************************************************************/ 662 static void bta_av_stream3_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) 663 { 664 APPL_TRACE_EVENT("bta_av_stream3_cback avdt_handle: %d event=0x%x", handle, event); 665 bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 3); 666 } 667 #endif 668 669 /******************************************************************************* 670 ** 671 ** Function bta_av_stream4_cback 672 ** 673 ** Description This is the AVDTP callback function for stream events. 674 ** 675 ** Returns void 676 ** 677 *******************************************************************************/ 678 #if BTA_AV_NUM_STRS > 4 679 static void bta_av_stream4_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) 680 { 681 APPL_TRACE_EVENT("bta_av_stream4_cback avdt_handle: %d event=0x%x", handle, event); 682 bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 4); 683 } 684 #endif 685 686 /******************************************************************************* 687 ** 688 ** Function bta_av_stream5_cback 689 ** 690 ** Description This is the AVDTP callback function for stream events. 691 ** 692 ** Returns void 693 ** 694 *******************************************************************************/ 695 #if BTA_AV_NUM_STRS > 5 696 static void bta_av_stream5_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) 697 { 698 APPL_TRACE_EVENT("bta_av_stream5_cback avdt_handle: %d event=0x%x", handle, event); 699 bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 5); 700 } 701 #endif 702 703 /******************************************************************************* 704 ** 705 ** Function bta_av_a2d_sdp_cback 706 ** 707 ** Description A2DP service discovery callback. 708 ** 709 ** Returns void 710 ** 711 *******************************************************************************/ 712 static void bta_av_a2d_sdp_cback(BOOLEAN found, tA2D_Service *p_service) 713 { 714 tBTA_AV_SDP_RES *p_msg; 715 tBTA_AV_SCB *p_scb; 716 717 if ((p_msg = (tBTA_AV_SDP_RES *) GKI_getbuf(sizeof(tBTA_AV_SDP_RES))) != NULL) 718 { 719 p_msg->hdr.event = (found) ? BTA_AV_SDP_DISC_OK_EVT : BTA_AV_SDP_DISC_FAIL_EVT; 720 721 p_scb = bta_av_hndl_to_scb(bta_av_cb.handle); 722 if (p_scb) 723 { 724 if (found && (p_service != NULL)) 725 p_scb->avdt_version = p_service->avdt_version; 726 else 727 p_scb->avdt_version = 0x00; 728 729 p_msg->hdr.layer_specific = bta_av_cb.handle; 730 bta_sys_sendmsg(p_msg); 731 } 732 else 733 { 734 APPL_TRACE_ERROR ("bta_av_a2d_sdp_cback, no scb found for handle(0x%x)", bta_av_cb.handle); 735 } 736 } 737 } 738 739 /******************************************************************************* 740 ** 741 ** Function bta_av_adjust_seps_idx 742 ** 743 ** Description adjust the sep_idx 744 ** 745 ** Returns 746 ** 747 *******************************************************************************/ 748 static void bta_av_adjust_seps_idx(tBTA_AV_SCB *p_scb, UINT8 avdt_handle) 749 { 750 int xx; 751 APPL_TRACE_DEBUG("bta_av_adjust_seps_idx codec_type: %d", p_scb->codec_type); 752 for(xx=0; xx<BTA_AV_MAX_SEPS; xx++) 753 { 754 APPL_TRACE_DEBUG("av_handle: %d codec_type: %d", 755 p_scb->seps[xx].av_handle, p_scb->seps[xx].codec_type); 756 if((p_scb->seps[xx].av_handle && p_scb->codec_type == p_scb->seps[xx].codec_type) 757 && (p_scb->seps[xx].av_handle == avdt_handle)) 758 { 759 p_scb->sep_idx = xx; 760 p_scb->avdt_handle = p_scb->seps[xx].av_handle; 761 break; 762 } 763 } 764 } 765 766 /******************************************************************************* 767 ** 768 ** Function bta_av_switch_role 769 ** 770 ** Description Switch role was not started and a timer was started. 771 ** another attempt to switch role now - still opening. 772 ** 773 ** Returns void 774 ** 775 *******************************************************************************/ 776 void bta_av_switch_role (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 777 { 778 tBTA_AV_RS_RES switch_res = BTA_AV_RS_NONE; 779 tBTA_AV_API_OPEN *p_buf = &p_scb->q_info.open; 780 UNUSED(p_data); 781 782 APPL_TRACE_DEBUG("bta_av_switch_role wait:x%x", p_scb->wait); 783 if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_START) 784 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RETRY; 785 786 /* clear the masks set when the timer is started */ 787 p_scb->wait &= ~(BTA_AV_WAIT_ROLE_SW_RES_OPEN|BTA_AV_WAIT_ROLE_SW_RES_START); 788 789 if (p_scb->q_tag == BTA_AV_Q_TAG_OPEN) 790 { 791 if (bta_av_switch_if_needed(p_scb) || !bta_av_link_role_ok(p_scb, A2D_SET_MULTL_BIT)) 792 { 793 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN; 794 } 795 else 796 { 797 /* this should not happen in theory. Just in case... 798 * continue to do_disc_a2d */ 799 switch_res = BTA_AV_RS_DONE; 800 } 801 } 802 else 803 { 804 /* report failure on OPEN */ 805 switch_res = BTA_AV_RS_FAIL; 806 } 807 808 if (switch_res != BTA_AV_RS_NONE) 809 { 810 if (bta_av_cb.rs_idx == (p_scb->hdi + 1)) 811 { 812 bta_av_cb.rs_idx = 0; 813 } 814 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_RETRY; 815 p_scb->q_tag = 0; 816 p_buf->switch_res = switch_res; 817 bta_av_do_disc_a2d(p_scb, (tBTA_AV_DATA *)p_buf); 818 } 819 } 820 821 /******************************************************************************* 822 ** 823 ** Function bta_av_role_res 824 ** 825 ** Description Handle the role changed event 826 ** 827 ** 828 ** Returns void 829 ** 830 *******************************************************************************/ 831 void bta_av_role_res (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 832 { 833 BOOLEAN initiator = FALSE; 834 tBTA_AV_START start; 835 tBTA_AV_OPEN av_open; 836 837 APPL_TRACE_DEBUG("bta_av_role_res q_tag:%d, wait:x%x, role:x%x", p_scb->q_tag, p_scb->wait, p_scb->role); 838 if (p_scb->role & BTA_AV_ROLE_START_INT) 839 initiator = TRUE; 840 841 if (p_scb->q_tag == BTA_AV_Q_TAG_START) 842 { 843 if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_STARTED) 844 { 845 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; 846 if (p_data->role_res.hci_status != HCI_SUCCESS) 847 { 848 p_scb->role &= ~BTA_AV_ROLE_START_INT; 849 bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); 850 /* start failed because of role switch. */ 851 start.chnl = p_scb->chnl; 852 start.status = BTA_AV_FAIL_ROLE; 853 start.hndl = p_scb->hndl; 854 start.initiator = initiator; 855 (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start); 856 } 857 else 858 { 859 bta_av_start_ok(p_scb, p_data); 860 } 861 } 862 else if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_START) 863 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_FAILED; 864 } 865 else if (p_scb->q_tag == BTA_AV_Q_TAG_OPEN) 866 { 867 if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_OPEN) 868 { 869 p_scb->role &= ~BTA_AV_ROLE_START_INT; 870 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; 871 872 if (p_data->role_res.hci_status != HCI_SUCCESS) 873 { 874 /* Open failed because of role switch. */ 875 bdcpy(av_open.bd_addr, p_scb->peer_addr); 876 av_open.chnl = p_scb->chnl; 877 av_open.hndl = p_scb->hndl; 878 start.status = BTA_AV_FAIL_ROLE; 879 if(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC ) 880 av_open.sep = AVDT_TSEP_SNK; 881 else if(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK ) 882 av_open.sep = AVDT_TSEP_SRC; 883 (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV *)&av_open); 884 } 885 else 886 { 887 /* Continue av open process */ 888 p_scb->q_info.open.switch_res = BTA_AV_RS_DONE; 889 bta_av_do_disc_a2d (p_scb, (tBTA_AV_DATA *)&(p_scb->q_info.open)); 890 } 891 } 892 else 893 { 894 APPL_TRACE_WARNING ("Unexpected role switch event: q_tag = %d wait = %d", p_scb->q_tag, p_scb->wait); 895 } 896 } 897 898 APPL_TRACE_DEBUG("wait:x%x, role:x%x", p_scb->wait, p_scb->role); 899 } 900 901 /******************************************************************************* 902 ** 903 ** Function bta_av_delay_co 904 ** 905 ** Description Call the delay call-out function to report the delay report 906 ** from SNK 907 ** 908 ** Returns void 909 ** 910 *******************************************************************************/ 911 void bta_av_delay_co (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 912 { 913 p_scb->p_cos->delay(p_scb->hndl, p_data->str_msg.msg.delay_rpt_cmd.delay); 914 } 915 916 /******************************************************************************* 917 ** 918 ** Function bta_av_do_disc_a2d 919 ** 920 ** Description Do service discovery for A2DP. 921 ** 922 ** Returns void 923 ** 924 *******************************************************************************/ 925 void bta_av_do_disc_a2d (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 926 { 927 BOOLEAN ok_continue = FALSE; 928 tA2D_SDP_DB_PARAMS db_params; 929 UINT16 attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST, 930 ATTR_ID_PROTOCOL_DESC_LIST, 931 ATTR_ID_BT_PROFILE_DESC_LIST}; 932 UINT16 sdp_uuid = 0; /* UUID for which SDP has to be done */ 933 934 APPL_TRACE_DEBUG("bta_av_do_disc_a2d use_rc: %d rs:%d, oc:%d", 935 p_data->api_open.use_rc, p_data->api_open.switch_res, bta_av_cb.audio_open_cnt); 936 937 memcpy (&(p_scb->open_api), &(p_data->api_open), sizeof(tBTA_AV_API_OPEN)); 938 939 switch(p_data->api_open.switch_res) 940 { 941 case BTA_AV_RS_NONE: 942 if (bta_av_switch_if_needed(p_scb) || !bta_av_link_role_ok(p_scb, A2D_SET_MULTL_BIT)) 943 { 944 /* waiting for role switch result. save the api to control block */ 945 memcpy(&p_scb->q_info.open, &p_data->api_open, sizeof(tBTA_AV_API_OPEN)); 946 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN; 947 p_scb->q_tag = BTA_AV_Q_TAG_OPEN; 948 } 949 else 950 { 951 ok_continue = TRUE; 952 } 953 break; 954 955 case BTA_AV_RS_FAIL: 956 /* report a new failure event */ 957 p_scb->open_status = BTA_AV_FAIL_ROLE; 958 bta_av_ssm_execute(p_scb, BTA_AV_SDP_DISC_FAIL_EVT, NULL); 959 break; 960 961 case BTA_AV_RS_OK: 962 p_data = (tBTA_AV_DATA *)&p_scb->q_info.open; 963 /* continue to open if link role is ok */ 964 if (bta_av_link_role_ok(p_scb, A2D_SET_MULTL_BIT)) 965 { 966 ok_continue = TRUE; 967 } 968 else 969 { 970 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN; 971 } 972 break; 973 974 case BTA_AV_RS_DONE: 975 ok_continue = TRUE; 976 break; 977 } 978 979 APPL_TRACE_DEBUG("ok_continue: %d wait:x%x, q_tag: %d", ok_continue, p_scb->wait, p_scb->q_tag); 980 if (!ok_continue) 981 return; 982 983 /* clear the role switch bits */ 984 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; 985 986 if (p_scb->wait & BTA_AV_WAIT_CHECK_RC) 987 { 988 p_scb->wait &= ~BTA_AV_WAIT_CHECK_RC; 989 bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RC_DISC_TIME_VAL); 990 } 991 992 if (bta_av_cb.features & BTA_AV_FEAT_MASTER) 993 { 994 L2CA_SetDesireRole(L2CAP_ROLE_DISALLOW_SWITCH); 995 996 if (bta_av_cb.audio_open_cnt == 1) 997 { 998 /* there's already an A2DP connection. do not allow switch */ 999 bta_sys_clear_default_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH); 1000 } 1001 } 1002 /* store peer addr other parameters */ 1003 bta_av_save_addr(p_scb, p_data->api_open.bd_addr); 1004 p_scb->sec_mask = p_data->api_open.sec_mask; 1005 p_scb->use_rc = p_data->api_open.use_rc; 1006 1007 bta_sys_app_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); 1008 1009 /* allocate discovery database */ 1010 if (p_scb->p_disc_db == NULL) 1011 { 1012 p_scb->p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(BTA_AV_DISC_BUF_SIZE); 1013 } 1014 1015 /* only one A2D find service is active at a time */ 1016 bta_av_cb.handle = p_scb->hndl; 1017 1018 if(p_scb->p_disc_db) 1019 { 1020 /* set up parameters */ 1021 db_params.db_len = BTA_AV_DISC_BUF_SIZE; 1022 db_params.num_attr = 3; 1023 db_params.p_db = p_scb->p_disc_db; 1024 db_params.p_attrs = attr_list; 1025 p_scb->uuid_int = p_data->api_open.uuid; 1026 if (p_scb->uuid_int == UUID_SERVCLASS_AUDIO_SINK) 1027 sdp_uuid = UUID_SERVCLASS_AUDIO_SOURCE; 1028 else if (p_scb->uuid_int == UUID_SERVCLASS_AUDIO_SOURCE) 1029 sdp_uuid = UUID_SERVCLASS_AUDIO_SINK; 1030 1031 APPL_TRACE_DEBUG("uuid_int 0x%x, Doing SDP For 0x%x", p_scb->uuid_int, sdp_uuid); 1032 if(A2D_FindService(sdp_uuid, p_scb->peer_addr, &db_params, 1033 bta_av_a2d_sdp_cback) == A2D_SUCCESS) 1034 { 1035 return; 1036 } 1037 } 1038 1039 /* when the code reaches here, either the DB is NULL 1040 * or A2D_FindService is not successful */ 1041 bta_av_a2d_sdp_cback(FALSE, NULL); 1042 } 1043 1044 /******************************************************************************* 1045 ** 1046 ** Function bta_av_cleanup 1047 ** 1048 ** Description cleanup AV stream control block. 1049 ** 1050 ** Returns void 1051 ** 1052 *******************************************************************************/ 1053 void bta_av_cleanup(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1054 { 1055 tBTA_AV_CONN_CHG msg; 1056 int xx; 1057 UINT8 role = BTA_AV_ROLE_AD_INT; 1058 UNUSED(p_data); 1059 1060 APPL_TRACE_DEBUG("bta_av_cleanup"); 1061 1062 /* free any buffers */ 1063 utl_freebuf((void **) &p_scb->p_cap); 1064 utl_freebuf((void **) &p_scb->p_disc_db); 1065 p_scb->avdt_version = 0; 1066 1067 /* initialize some control block variables */ 1068 p_scb->open_status = BTA_AV_SUCCESS; 1069 1070 /* if de-registering shut everything down */ 1071 msg.hdr.layer_specific = p_scb->hndl; 1072 p_scb->started = FALSE; 1073 p_scb->cong = FALSE; 1074 p_scb->role = role; 1075 p_scb->cur_psc_mask = 0; 1076 p_scb->wait = 0; 1077 p_scb->num_disc_snks = 0; 1078 bta_sys_stop_timer(&p_scb->timer); 1079 if (p_scb->deregistring) 1080 { 1081 /* remove stream */ 1082 for(xx=0; xx<BTA_AV_MAX_SEPS; xx++) 1083 { 1084 if(p_scb->seps[xx].av_handle) 1085 AVDT_RemoveStream(p_scb->seps[xx].av_handle); 1086 p_scb->seps[xx].av_handle = 0; 1087 } 1088 1089 bta_av_dereg_comp((tBTA_AV_DATA *) &msg); 1090 } 1091 else 1092 { 1093 /* report stream closed to main SM */ 1094 msg.is_up = FALSE; 1095 bdcpy(msg.peer_addr, p_scb->peer_addr); 1096 bta_av_conn_chg((tBTA_AV_DATA *) &msg); 1097 } 1098 } 1099 1100 /******************************************************************************* 1101 ** 1102 ** Function bta_av_free_sdb 1103 ** 1104 ** Description Free service discovery db buffer. 1105 ** 1106 ** Returns void 1107 ** 1108 *******************************************************************************/ 1109 void bta_av_free_sdb(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1110 { 1111 UNUSED(p_data); 1112 utl_freebuf((void **) &p_scb->p_disc_db); 1113 } 1114 1115 /******************************************************************************* 1116 ** 1117 ** Function bta_av_config_ind 1118 ** 1119 ** Description Handle a stream configuration indication from the peer. 1120 ** 1121 ** Returns void 1122 ** 1123 *******************************************************************************/ 1124 void bta_av_config_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1125 { 1126 tBTA_AV_CI_SETCONFIG setconfig; 1127 tAVDT_SEP_INFO *p_info; 1128 tAVDT_CFG *p_evt_cfg = &p_data->str_msg.cfg; 1129 UINT8 psc_mask = (p_evt_cfg->psc_mask | p_scb->cfg.psc_mask); 1130 UINT8 local_sep; /* sep type of local handle on which connection was received */ 1131 tBTA_AV_STR_MSG *p_msg = (tBTA_AV_STR_MSG *)p_data; 1132 UNUSED(p_data); 1133 1134 local_sep = bta_av_get_scb_sep_type(p_scb, p_msg->handle); 1135 p_scb->avdt_label = p_data->str_msg.msg.hdr.label; 1136 memcpy(p_scb->cfg.codec_info, p_evt_cfg->codec_info, AVDT_CODEC_SIZE); 1137 p_scb->codec_type = p_evt_cfg->codec_info[BTA_AV_CODEC_TYPE_IDX]; 1138 bta_av_save_addr(p_scb, p_data->str_msg.bd_addr); 1139 1140 /* Clear collision mask */ 1141 p_scb->coll_mask = 0; 1142 bta_sys_stop_timer(&bta_av_cb.acp_sig_tmr); 1143 1144 /* if no codec parameters in configuration, fail */ 1145 if ((p_evt_cfg->num_codec == 0) || 1146 /* or the peer requests for a service we do not support */ 1147 ((psc_mask != p_scb->cfg.psc_mask) && 1148 (psc_mask != (p_scb->cfg.psc_mask&~AVDT_PSC_DELAY_RPT))) ) 1149 { 1150 setconfig.hndl = p_scb->hndl; /* we may not need this */ 1151 setconfig.err_code = AVDT_ERR_UNSUP_CFG; 1152 bta_av_ssm_execute(p_scb, BTA_AV_CI_SETCONFIG_FAIL_EVT, (tBTA_AV_DATA *) &setconfig); 1153 } 1154 else 1155 { 1156 p_info = &p_scb->sep_info[0]; 1157 p_info->in_use = 0; 1158 p_info->media_type = p_scb->media_type; 1159 p_info->seid = p_data->str_msg.msg.config_ind.int_seid; 1160 1161 /* Sep type of Peer will be oppsite role to our local sep */ 1162 if (local_sep == AVDT_TSEP_SRC) 1163 p_info->tsep = AVDT_TSEP_SNK; 1164 else if (local_sep == AVDT_TSEP_SNK) 1165 p_info->tsep = AVDT_TSEP_SRC; 1166 1167 p_scb->role |= BTA_AV_ROLE_AD_ACP; 1168 p_scb->cur_psc_mask = p_evt_cfg->psc_mask; 1169 if (bta_av_cb.features & BTA_AV_FEAT_RCTG) 1170 p_scb->use_rc = TRUE; 1171 else 1172 p_scb->use_rc = FALSE; 1173 1174 p_scb->num_seps = 1; 1175 p_scb->sep_info_idx = 0; 1176 APPL_TRACE_DEBUG("bta_av_config_ind: SEID: %d use_rc: %d cur_psc_mask:0x%x", p_info->seid, p_scb->use_rc, p_scb->cur_psc_mask); 1177 /* in case of A2DP SINK this is the first time peer data is being sent to co functions */ 1178 if (local_sep == AVDT_TSEP_SNK) 1179 { 1180 p_scb->p_cos->setcfg(p_scb->hndl, p_scb->codec_type, 1181 p_evt_cfg->codec_info, 1182 p_info->seid, 1183 p_scb->peer_addr, 1184 p_evt_cfg->num_protect, 1185 p_evt_cfg->protect_info, 1186 AVDT_TSEP_SNK, 1187 p_msg->handle); 1188 } 1189 else 1190 { 1191 p_scb->p_cos->setcfg(p_scb->hndl, p_scb->codec_type, 1192 p_evt_cfg->codec_info, 1193 p_info->seid, 1194 p_scb->peer_addr, 1195 p_evt_cfg->num_protect, 1196 p_evt_cfg->protect_info, 1197 AVDT_TSEP_SRC, 1198 p_msg->handle); 1199 } 1200 } 1201 } 1202 1203 /******************************************************************************* 1204 ** 1205 ** Function bta_av_disconnect_req 1206 ** 1207 ** Description Disconnect AVDTP connection. 1208 ** 1209 ** Returns void 1210 ** 1211 *******************************************************************************/ 1212 void bta_av_disconnect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1213 { 1214 tBTA_AV_RCB *p_rcb; 1215 UNUSED(p_data); 1216 1217 APPL_TRACE_DEBUG("bta_av_disconnect_req conn_lcb: 0x%x", bta_av_cb.conn_lcb); 1218 1219 bta_sys_stop_timer(&bta_av_cb.sig_tmr); 1220 bta_sys_stop_timer(&p_scb->timer); 1221 if(bta_av_cb.conn_lcb) 1222 { 1223 p_rcb = bta_av_get_rcb_by_shdl((UINT8)(p_scb->hdi + 1)); 1224 if (p_rcb) 1225 bta_av_del_rc(p_rcb); 1226 AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]); 1227 } 1228 else 1229 { 1230 bta_av_ssm_execute(p_scb, BTA_AV_AVDT_DISCONNECT_EVT, NULL); 1231 } 1232 } 1233 1234 /******************************************************************************* 1235 ** 1236 ** Function bta_av_security_req 1237 ** 1238 ** Description Send an AVDTP security request. 1239 ** 1240 ** Returns void 1241 ** 1242 *******************************************************************************/ 1243 void bta_av_security_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1244 { 1245 if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) 1246 { 1247 AVDT_SecurityReq(p_scb->avdt_handle, p_data->api_protect_req.p_data, 1248 p_data->api_protect_req.len); 1249 } 1250 } 1251 1252 /******************************************************************************* 1253 ** 1254 ** Function bta_av_security_rsp 1255 ** 1256 ** Description Send an AVDTP security response. 1257 ** 1258 ** Returns void 1259 ** 1260 *******************************************************************************/ 1261 void bta_av_security_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1262 { 1263 if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) 1264 { 1265 AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, p_data->api_protect_rsp.error_code, 1266 p_data->api_protect_rsp.p_data, p_data->api_protect_rsp.len); 1267 } 1268 else 1269 { 1270 AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_NSC, 1271 NULL, 0); 1272 } 1273 } 1274 1275 /******************************************************************************* 1276 ** 1277 ** Function bta_av_setconfig_rsp 1278 ** 1279 ** Description setconfig is OK 1280 ** 1281 ** Returns void 1282 ** 1283 *******************************************************************************/ 1284 void bta_av_setconfig_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1285 { 1286 UINT8 num = p_data->ci_setconfig.num_seid + 1; 1287 UINT8 avdt_handle = p_data->ci_setconfig.avdt_handle; 1288 UINT8 *p_seid = p_data->ci_setconfig.p_seid; 1289 int i; 1290 UINT8 local_sep; 1291 1292 /* we like this codec_type. find the sep_idx */ 1293 local_sep = bta_av_get_scb_sep_type(p_scb,avdt_handle); 1294 bta_av_adjust_seps_idx(p_scb, avdt_handle); 1295 APPL_TRACE_DEBUG("bta_av_setconfig_rsp: sep_idx: %d cur_psc_mask:0x%x", p_scb->sep_idx, p_scb->cur_psc_mask); 1296 1297 if ((AVDT_TSEP_SNK == local_sep) && (p_data->ci_setconfig.err_code == AVDT_SUCCESS) && 1298 (p_scb->seps[p_scb->sep_idx].p_app_data_cback != NULL)) 1299 p_scb->seps[p_scb->sep_idx].p_app_data_cback(BTA_AV_MEDIA_SINK_CFG_EVT, 1300 (tBTA_AV_MEDIA*)p_scb->cfg.codec_info); 1301 1302 1303 AVDT_ConfigRsp(p_scb->avdt_handle, p_scb->avdt_label, p_data->ci_setconfig.err_code, 1304 p_data->ci_setconfig.category); 1305 1306 bta_sys_stop_timer(&bta_av_cb.sig_tmr); 1307 1308 if(p_data->ci_setconfig.err_code == AVDT_SUCCESS) 1309 { 1310 p_scb->wait = BTA_AV_WAIT_ACP_CAPS_ON; 1311 if(p_data->ci_setconfig.recfg_needed) 1312 p_scb->role |= BTA_AV_ROLE_SUSPEND_OPT; 1313 APPL_TRACE_DEBUG("bta_av_setconfig_rsp recfg_needed:%d role:x%x num:%d", 1314 p_data->ci_setconfig.recfg_needed, p_scb->role, num); 1315 /* callout module tells BTA the number of "good" SEPs and their SEIDs. 1316 * getcap on these SEID */ 1317 p_scb->num_seps = num; 1318 1319 if (p_scb->cur_psc_mask & AVDT_PSC_DELAY_RPT) 1320 p_scb->avdt_version = AVDT_VERSION_SYNC; 1321 1322 1323 if (p_scb->codec_type == BTA_AV_CODEC_SBC || num > 1) 1324 { 1325 /* if SBC is used by the SNK as INT, discover req is not sent in bta_av_config_ind. 1326 * call disc_res now */ 1327 /* this is called in A2DP SRC path only, In case of SINK we don't need it */ 1328 if (local_sep == AVDT_TSEP_SRC) 1329 p_scb->p_cos->disc_res(p_scb->hndl, num, num, 0, p_scb->peer_addr, 1330 UUID_SERVCLASS_AUDIO_SOURCE); 1331 } 1332 else 1333 { 1334 /* we do not know the peer device and it is using non-SBC codec 1335 * we need to know all the SEPs on SNK */ 1336 bta_av_discover_req(p_scb, NULL); 1337 return; 1338 } 1339 1340 for (i = 1; i < num; i++) 1341 { 1342 APPL_TRACE_DEBUG("sep_info[%d] SEID: %d", i, p_seid[i-1]); 1343 /* initialize the sep_info[] to get capabilities */ 1344 p_scb->sep_info[i].in_use = FALSE; 1345 p_scb->sep_info[i].tsep = AVDT_TSEP_SNK; 1346 p_scb->sep_info[i].media_type = p_scb->media_type; 1347 p_scb->sep_info[i].seid = p_seid[i-1]; 1348 } 1349 1350 /* only in case of local sep as SRC we need to look for other SEPs, In case of SINK we don't */ 1351 if (local_sep == AVDT_TSEP_SRC) 1352 { 1353 /* Make sure UUID has been initialized... */ 1354 if (p_scb->uuid_int == 0) 1355 p_scb->uuid_int = p_scb->open_api.uuid; 1356 bta_av_next_getcap(p_scb, p_data); 1357 } 1358 } 1359 } 1360 1361 /******************************************************************************* 1362 ** 1363 ** Function bta_av_str_opened 1364 ** 1365 ** Description Stream opened OK (incoming/outgoing). 1366 ** 1367 ** Returns void 1368 ** 1369 *******************************************************************************/ 1370 void bta_av_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1371 { 1372 tBTA_AV_CONN_CHG msg; 1373 tBTA_AV_OPEN open; 1374 UINT8 *p; 1375 UINT16 mtu; 1376 1377 msg.hdr.layer_specific = p_scb->hndl; 1378 msg.is_up = TRUE; 1379 bdcpy(msg.peer_addr, p_scb->peer_addr); 1380 p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle); 1381 bta_av_conn_chg((tBTA_AV_DATA *) &msg); 1382 /* set the congestion flag, so AV would not send media packets by accident */ 1383 p_scb->cong = TRUE; 1384 1385 1386 p_scb->stream_mtu = p_data->str_msg.msg.open_ind.peer_mtu - AVDT_MEDIA_HDR_SIZE; 1387 mtu = bta_av_chk_mtu(p_scb, p_scb->stream_mtu); 1388 APPL_TRACE_DEBUG("bta_av_str_opened l2c_cid: 0x%x stream_mtu: %d mtu: %d", 1389 p_scb->l2c_cid, p_scb->stream_mtu, mtu); 1390 if(mtu == 0 || mtu > p_scb->stream_mtu) 1391 mtu = p_scb->stream_mtu; 1392 1393 /* Set the media channel as medium priority */ 1394 L2CA_SetTxPriority(p_scb->l2c_cid, L2CAP_CHNL_PRIORITY_MEDIUM); 1395 L2CA_SetChnlFlushability (p_scb->l2c_cid, TRUE); 1396 1397 bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); 1398 memset(&p_scb->q_info, 0, sizeof(tBTA_AV_Q_INFO)); 1399 1400 p_scb->l2c_bufs = 0; 1401 p_scb->p_cos->open(p_scb->hndl, 1402 p_scb->codec_type, p_scb->cfg.codec_info, mtu); 1403 1404 { 1405 /* TODO check if other audio channel is open. 1406 * If yes, check if reconfig is needed 1407 * Rigt now we do not do this kind of checking. 1408 * BTA-AV is INT for 2nd audio connection. 1409 * The application needs to make sure the current codec_info is proper. 1410 * If one audio connection is open and another SNK attempts to connect to AV, 1411 * the connection will be rejected. 1412 */ 1413 /* check if other audio channel is started. If yes, start */ 1414 bdcpy(open.bd_addr, p_scb->peer_addr); 1415 open.chnl = p_scb->chnl; 1416 open.hndl = p_scb->hndl; 1417 open.status = BTA_AV_SUCCESS; 1418 open.starting = bta_av_chk_start(p_scb); 1419 open.edr = 0; 1420 if( NULL != (p = BTM_ReadRemoteFeatures(p_scb->peer_addr))) 1421 { 1422 if(HCI_EDR_ACL_2MPS_SUPPORTED(p)) 1423 open.edr |= BTA_AV_EDR_2MBPS; 1424 if(HCI_EDR_ACL_3MPS_SUPPORTED(p)) 1425 open.edr |= BTA_AV_EDR_3MBPS; 1426 } 1427 #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) 1428 bta_ar_avdt_conn(BTA_ID_AV, open.bd_addr); 1429 #endif 1430 if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC ) 1431 open.sep = AVDT_TSEP_SNK; 1432 else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK ) 1433 open.sep = AVDT_TSEP_SRC; 1434 1435 (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV *) &open); 1436 if(open.starting) 1437 { 1438 bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL); 1439 } 1440 } 1441 1442 // This code is used to pass PTS TC for AVDTP ABORT 1443 char value[PROPERTY_VALUE_MAX] = {0}; 1444 if ((property_get("bluetooth.pts.force_a2dp_abort", value, "false")) 1445 && (!strcmp(value, "true"))) 1446 { 1447 APPL_TRACE_ERROR ("%s: Calling AVDT_AbortReq", __func__); 1448 AVDT_AbortReq(p_scb->avdt_handle); 1449 } 1450 } 1451 1452 /******************************************************************************* 1453 ** 1454 ** Function bta_av_security_ind 1455 ** 1456 ** Description Handle an AVDTP security indication. 1457 ** 1458 ** Returns void 1459 ** 1460 *******************************************************************************/ 1461 void bta_av_security_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1462 { 1463 tBTA_AV_PROTECT_REQ protect_req; 1464 1465 p_scb->avdt_label = p_data->str_msg.msg.hdr.label; 1466 1467 if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) 1468 { 1469 protect_req.chnl = p_scb->chnl; 1470 protect_req.hndl = p_scb->hndl; 1471 /* 1472 APPL_TRACE_EVENT("sec ind handle: x%x", protect_req.hndl); 1473 */ 1474 protect_req.p_data = p_data->str_msg.msg.security_ind.p_data; 1475 protect_req.len = p_data->str_msg.msg.security_ind.len; 1476 1477 (*bta_av_cb.p_cback)(BTA_AV_PROTECT_REQ_EVT, (tBTA_AV *) &protect_req); 1478 } 1479 /* app doesn't support security indication; respond with failure */ 1480 else 1481 { 1482 AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_NSC, NULL, 0); 1483 } 1484 } 1485 1486 /******************************************************************************* 1487 ** 1488 ** Function bta_av_security_cfm 1489 ** 1490 ** Description Handle an AVDTP security confirm. 1491 ** 1492 ** Returns void 1493 ** 1494 *******************************************************************************/ 1495 void bta_av_security_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1496 { 1497 tBTA_AV_PROTECT_RSP protect_rsp; 1498 1499 if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) 1500 { 1501 protect_rsp.chnl = p_scb->chnl; 1502 protect_rsp.hndl = p_scb->hndl; 1503 protect_rsp.p_data = p_data->str_msg.msg.security_cfm.p_data; 1504 protect_rsp.len = p_data->str_msg.msg.security_cfm.len; 1505 protect_rsp.err_code= p_data->str_msg.msg.hdr.err_code; 1506 1507 (*bta_av_cb.p_cback)(BTA_AV_PROTECT_RSP_EVT, (tBTA_AV *) &protect_rsp); 1508 } 1509 } 1510 1511 /******************************************************************************* 1512 ** 1513 ** Function bta_av_do_close 1514 ** 1515 ** Description Close stream. 1516 ** 1517 ** Returns void 1518 ** 1519 *******************************************************************************/ 1520 void bta_av_do_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1521 { 1522 UNUSED(p_data); 1523 1524 /* stop stream if started */ 1525 if (p_scb->co_started) 1526 { 1527 bta_av_str_stopped(p_scb, NULL); 1528 } 1529 bta_sys_stop_timer(&bta_av_cb.sig_tmr); 1530 1531 /* close stream */ 1532 p_scb->started = FALSE; 1533 1534 /* drop the buffers queued in L2CAP */ 1535 L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); 1536 1537 AVDT_CloseReq(p_scb->avdt_handle); 1538 /* just in case that the link is congested, link is flow controled by peer or 1539 * for whatever reason the the close request can not be sent in time. 1540 * when this timer expires, AVDT_DisconnectReq will be called to disconnect the link 1541 */ 1542 bta_sys_start_timer(&p_scb->timer, 1543 (UINT16)BTA_AV_API_CLOSE_EVT, 1544 BTA_AV_CLOSE_REQ_TIME_VAL); 1545 1546 } 1547 1548 /******************************************************************************* 1549 ** 1550 ** Function bta_av_connect_req 1551 ** 1552 ** Description Connect AVDTP connection. 1553 ** 1554 ** Returns void 1555 ** 1556 *******************************************************************************/ 1557 void bta_av_connect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1558 { 1559 UNUSED(p_data); 1560 1561 utl_freebuf((void **) &p_scb->p_disc_db); 1562 1563 if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR) 1564 { 1565 /* SNK initiated L2C connection while SRC was doing SDP. */ 1566 /* Wait until timeout to check if SNK starts signalling. */ 1567 APPL_TRACE_EVENT("bta_av_connect_req: coll_mask = 0x%2X", p_scb->coll_mask); 1568 return; 1569 } 1570 1571 AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, bta_av_dt_cback[p_scb->hdi]); 1572 } 1573 1574 /******************************************************************************* 1575 ** 1576 ** Function bta_av_sdp_failed 1577 ** 1578 ** Description Service discovery failed. 1579 ** 1580 ** Returns void 1581 ** 1582 *******************************************************************************/ 1583 void bta_av_sdp_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1584 { 1585 if (!p_scb->open_status) 1586 p_scb->open_status = BTA_AV_FAIL_SDP; 1587 1588 utl_freebuf((void **) &p_scb->p_disc_db); 1589 bta_av_str_closed(p_scb, p_data); 1590 } 1591 1592 /******************************************************************************* 1593 ** 1594 ** Function bta_av_disc_results 1595 ** 1596 ** Description Handle the AVDTP discover results. Search through the 1597 ** results and find the first available stream, and get 1598 ** its capabilities. 1599 ** 1600 ** Returns void 1601 ** 1602 *******************************************************************************/ 1603 void bta_av_disc_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1604 { 1605 UINT8 num_snks = 0, num_srcs =0, i; 1606 /* our uuid in case we initiate connection */ 1607 UINT16 uuid_int = p_scb->uuid_int; 1608 1609 APPL_TRACE_DEBUG(" initiator UUID 0x%x", uuid_int); 1610 /* store number of stream endpoints returned */ 1611 p_scb->num_seps = p_data->str_msg.msg.discover_cfm.num_seps; 1612 1613 for (i = 0; i < p_scb->num_seps; i++) 1614 { 1615 /* steam not in use, is a sink, and is audio */ 1616 if ((p_scb->sep_info[i].in_use == FALSE) && 1617 (p_scb->sep_info[i].media_type == p_scb->media_type)) 1618 { 1619 if((p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) && 1620 (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE)) 1621 num_snks++; 1622 1623 if((p_scb->sep_info[i].tsep == AVDT_TSEP_SRC) && 1624 (uuid_int == UUID_SERVCLASS_AUDIO_SINK)) 1625 num_srcs++; 1626 1627 } 1628 } 1629 1630 p_scb->p_cos->disc_res(p_scb->hndl, p_scb->num_seps, num_snks, num_srcs, p_scb->peer_addr, 1631 uuid_int); 1632 p_scb->num_disc_snks = num_snks; 1633 p_scb->num_disc_srcs = num_srcs; 1634 1635 /* if we got any */ 1636 if (p_scb->num_seps > 0) 1637 { 1638 /* initialize index into discovery results */ 1639 p_scb->sep_info_idx = 0; 1640 1641 /* get the capabilities of the first available stream */ 1642 bta_av_next_getcap(p_scb, p_data); 1643 } 1644 /* else we got discover response but with no streams; we're done */ 1645 else 1646 { 1647 bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, p_data); 1648 } 1649 } 1650 1651 /******************************************************************************* 1652 ** 1653 ** Function bta_av_disc_res_as_acp 1654 ** 1655 ** Description Handle the AVDTP discover results. Search through the 1656 ** results and find the first available stream, and get 1657 ** its capabilities. 1658 ** 1659 ** Returns void 1660 ** 1661 *******************************************************************************/ 1662 void bta_av_disc_res_as_acp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1663 { 1664 UINT8 num_snks = 0, i; 1665 1666 /* store number of stream endpoints returned */ 1667 p_scb->num_seps = p_data->str_msg.msg.discover_cfm.num_seps; 1668 1669 1670 1671 for (i = 0; i < p_scb->num_seps; i++) 1672 { 1673 /* steam is a sink, and is audio */ 1674 if ((p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) && 1675 (p_scb->sep_info[i].media_type == p_scb->media_type)) 1676 { 1677 p_scb->sep_info[i].in_use = FALSE; 1678 num_snks++; 1679 } 1680 } 1681 p_scb->p_cos->disc_res(p_scb->hndl, p_scb->num_seps, num_snks, 0, p_scb->peer_addr, 1682 UUID_SERVCLASS_AUDIO_SOURCE); 1683 p_scb->num_disc_snks = num_snks; 1684 p_scb->num_disc_srcs = 0; 1685 1686 /* if we got any */ 1687 if (p_scb->num_seps > 0) 1688 { 1689 /* initialize index into discovery results */ 1690 p_scb->sep_info_idx = 0; 1691 1692 /* get the capabilities of the first available stream */ 1693 bta_av_next_getcap(p_scb, p_data); 1694 } 1695 /* else we got discover response but with no streams; we're done */ 1696 else 1697 { 1698 bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, p_data); 1699 } 1700 } 1701 1702 /******************************************************************************* 1703 ** 1704 ** Function bta_av_save_caps 1705 ** 1706 ** Description report the SNK SEP capabilities to application 1707 ** 1708 ** Returns void 1709 ** 1710 *******************************************************************************/ 1711 void bta_av_save_caps(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1712 { 1713 tAVDT_CFG cfg; 1714 tAVDT_SEP_INFO *p_info = &p_scb->sep_info[p_scb->sep_info_idx]; 1715 UINT8 old_wait = p_scb->wait; 1716 BOOLEAN getcap_done = FALSE; 1717 1718 APPL_TRACE_DEBUG("bta_av_save_caps num_seps:%d sep_info_idx:%d wait:x%x", 1719 p_scb->num_seps, p_scb->sep_info_idx, p_scb->wait); 1720 memcpy(&cfg, p_scb->p_cap, sizeof(tAVDT_CFG)); 1721 /* let application know the capability of the SNK */ 1722 p_scb->p_cos->getcfg(p_scb->hndl, cfg.codec_info[BTA_AV_CODEC_TYPE_IDX], 1723 cfg.codec_info, &p_scb->sep_info_idx, p_info->seid, 1724 &cfg.num_protect, cfg.protect_info); 1725 1726 p_scb->sep_info_idx++; 1727 if(p_scb->num_seps > p_scb->sep_info_idx) 1728 { 1729 /* Some devices have seps at the end of the discover list, which is not */ 1730 /* matching media type(video not audio). */ 1731 /* In this case, we are done with getcap without sending another */ 1732 /* request to AVDT. */ 1733 if (!bta_av_next_getcap(p_scb, p_data)) 1734 getcap_done = TRUE; 1735 } 1736 else 1737 getcap_done = TRUE; 1738 1739 if (getcap_done) 1740 { 1741 /* we are done getting capabilities. restore the p_cb->sep_info_idx */ 1742 p_scb->sep_info_idx = 0; 1743 p_scb->wait &= ~(BTA_AV_WAIT_ACP_CAPS_ON|BTA_AV_WAIT_ACP_CAPS_STARTED); 1744 if (old_wait & BTA_AV_WAIT_ACP_CAPS_STARTED) 1745 { 1746 bta_av_start_ok (p_scb, NULL); 1747 } 1748 } 1749 } 1750 1751 /******************************************************************************* 1752 ** 1753 ** Function bta_av_set_use_rc 1754 ** 1755 ** Description set to use AVRC for this stream control block. 1756 ** 1757 ** Returns void 1758 ** 1759 *******************************************************************************/ 1760 void bta_av_set_use_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1761 { 1762 UNUSED(p_data); 1763 1764 p_scb->use_rc = TRUE; 1765 } 1766 1767 /******************************************************************************* 1768 ** 1769 ** Function bta_av_cco_close 1770 ** 1771 ** Description call close call-out function. 1772 ** 1773 ** Returns void 1774 ** 1775 *******************************************************************************/ 1776 void bta_av_cco_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1777 { 1778 UINT16 mtu; 1779 UNUSED(p_data); 1780 1781 mtu = bta_av_chk_mtu(p_scb, BTA_AV_MAX_A2DP_MTU); 1782 1783 p_scb->p_cos->close(p_scb->hndl, p_scb->codec_type, mtu); 1784 } 1785 1786 /******************************************************************************* 1787 ** 1788 ** Function bta_av_open_failed 1789 ** 1790 ** Description Failed to open an AVDT stream 1791 ** 1792 ** Returns void 1793 ** 1794 *******************************************************************************/ 1795 void bta_av_open_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1796 { 1797 1798 BOOLEAN is_av_opened = FALSE; 1799 tBTA_AV_SCB * p_opened_scb = NULL; 1800 UINT8 idx; 1801 tBTA_AV_OPEN open; 1802 1803 APPL_TRACE_DEBUG("bta_av_open_failed"); 1804 p_scb->open_status = BTA_AV_FAIL_STREAM; 1805 bta_av_cco_close(p_scb, p_data); 1806 1807 /* check whether there is already an opened audio or video connection with the same device */ 1808 for (idx = 0; (idx < BTA_AV_NUM_STRS) && (is_av_opened == FALSE); idx++ ) 1809 { 1810 p_opened_scb = bta_av_cb.p_scb[idx]; 1811 if (p_opened_scb && (p_opened_scb->state == BTA_AV_OPEN_SST) && (!bdcmp(p_opened_scb->peer_addr,p_scb->peer_addr )) ) 1812 is_av_opened = TRUE; 1813 1814 } 1815 1816 /* if there is already an active AV connnection with the same bd_addr, 1817 don't send disconnect req, just report the open event with BTA_AV_FAIL_GET_CAP status */ 1818 if (is_av_opened == TRUE) 1819 { 1820 bdcpy(open.bd_addr, p_scb->peer_addr); 1821 open.chnl = p_scb->chnl; 1822 open.hndl = p_scb->hndl; 1823 open.status = BTA_AV_FAIL_GET_CAP; 1824 open.starting = bta_av_chk_start(p_scb); 1825 open.edr = 0; 1826 /* set the state back to initial state */ 1827 bta_av_set_scb_sst_init(p_scb); 1828 1829 if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC ) 1830 open.sep = AVDT_TSEP_SNK; 1831 else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK ) 1832 open.sep = AVDT_TSEP_SRC; 1833 1834 (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV *) &open); 1835 1836 } 1837 else 1838 { 1839 AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]); 1840 } 1841 } 1842 1843 1844 /******************************************************************************* 1845 ** 1846 ** Function bta_av_getcap_results 1847 ** 1848 ** Description Handle the AVDTP get capabilities results. Check the codec 1849 ** type and see if it matches ours. If it does not, get the 1850 ** capabilities of the next stream, if any. 1851 ** 1852 ** Returns void 1853 ** 1854 *******************************************************************************/ 1855 void bta_av_getcap_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1856 { 1857 tAVDT_CFG cfg; 1858 UINT8 media_type; 1859 tAVDT_SEP_INFO *p_info = &p_scb->sep_info[p_scb->sep_info_idx]; 1860 UINT16 uuid_int; /* UUID for which connection was initiatied */ 1861 1862 memcpy(&cfg, &p_scb->cfg, sizeof(tAVDT_CFG)); 1863 cfg.num_codec = 1; 1864 cfg.num_protect = p_scb->p_cap->num_protect; 1865 memcpy(cfg.codec_info, p_scb->p_cap->codec_info, AVDT_CODEC_SIZE); 1866 memcpy(cfg.protect_info, p_scb->p_cap->protect_info, AVDT_PROTECT_SIZE); 1867 media_type = p_scb->p_cap->codec_info[BTA_AV_MEDIA_TYPE_IDX] >> 4; 1868 1869 APPL_TRACE_DEBUG("num_codec %d", p_scb->p_cap->num_codec); 1870 APPL_TRACE_DEBUG("media type x%x, x%x", media_type, p_scb->media_type); 1871 #if AVDT_MULTIPLEXING == TRUE 1872 APPL_TRACE_DEBUG("mux x%x, x%x", cfg.mux_mask, p_scb->p_cap->mux_mask); 1873 #endif 1874 1875 /* if codec present and we get a codec configuration */ 1876 if ((p_scb->p_cap->num_codec != 0) && 1877 (media_type == p_scb->media_type) && 1878 (p_scb->p_cos->getcfg(p_scb->hndl, p_scb->p_cap->codec_info[BTA_AV_CODEC_TYPE_IDX], 1879 cfg.codec_info, &p_scb->sep_info_idx, p_info->seid, 1880 &cfg.num_protect, cfg.protect_info) == 0)) 1881 { 1882 #if AVDT_MULTIPLEXING == TRUE 1883 cfg.mux_mask &= p_scb->p_cap->mux_mask; 1884 APPL_TRACE_DEBUG("mux_mask used x%x", cfg.mux_mask); 1885 #endif 1886 /* save copy of codec type and configuration */ 1887 p_scb->codec_type = cfg.codec_info[BTA_AV_CODEC_TYPE_IDX]; 1888 memcpy(&p_scb->cfg, &cfg, sizeof(tAVDT_CFG)); 1889 1890 uuid_int = p_scb->uuid_int; 1891 APPL_TRACE_DEBUG(" initiator UUID = 0x%x ", uuid_int); 1892 if (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE) 1893 bta_av_adjust_seps_idx(p_scb, bta_av_get_scb_handle(p_scb, AVDT_TSEP_SRC)); 1894 else if (uuid_int == UUID_SERVCLASS_AUDIO_SINK) 1895 bta_av_adjust_seps_idx(p_scb, bta_av_get_scb_handle(p_scb, AVDT_TSEP_SNK)); 1896 1897 /* use only the services peer supports */ 1898 cfg.psc_mask &= p_scb->p_cap->psc_mask; 1899 p_scb->cur_psc_mask = cfg.psc_mask; 1900 1901 if ((uuid_int == UUID_SERVCLASS_AUDIO_SINK) && 1902 (p_scb->seps[p_scb->sep_idx].p_app_data_cback != NULL)) 1903 { 1904 APPL_TRACE_DEBUG(" Configure Deoder for Sink Connection "); 1905 p_scb->seps[p_scb->sep_idx].p_app_data_cback(BTA_AV_MEDIA_SINK_CFG_EVT, 1906 (tBTA_AV_MEDIA*)p_scb->cfg.codec_info); 1907 } 1908 1909 /* open the stream */ 1910 AVDT_OpenReq(p_scb->seps[p_scb->sep_idx].av_handle, p_scb->peer_addr, 1911 p_scb->sep_info[p_scb->sep_info_idx].seid, &cfg); 1912 1913 if (!bta_av_is_rcfg_sst(p_scb)) 1914 { 1915 /* free capabilities buffer */ 1916 utl_freebuf((void **) &p_scb->p_cap); 1917 } 1918 } 1919 else 1920 { 1921 /* try the next stream, if any */ 1922 p_scb->sep_info_idx++; 1923 bta_av_next_getcap(p_scb, p_data); 1924 } 1925 1926 } 1927 1928 /******************************************************************************* 1929 ** 1930 ** Function bta_av_setconfig_rej 1931 ** 1932 ** Description Send AVDTP set config reject. 1933 ** 1934 ** Returns void 1935 ** 1936 *******************************************************************************/ 1937 void bta_av_setconfig_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1938 { 1939 tBTA_AV_REJECT reject; 1940 UINT8 avdt_handle = p_data->ci_setconfig.avdt_handle; 1941 1942 bta_av_adjust_seps_idx(p_scb, avdt_handle); 1943 APPL_TRACE_DEBUG("bta_av_setconfig_rej: sep_idx: %d",p_scb->sep_idx); 1944 AVDT_ConfigRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_UNSUP_CFG, 0); 1945 1946 bdcpy(reject.bd_addr, p_data->str_msg.bd_addr); 1947 reject.hndl = p_scb->hndl; 1948 (*bta_av_cb.p_cback)(BTA_AV_REJECT_EVT, (tBTA_AV *) &reject); 1949 } 1950 1951 /******************************************************************************* 1952 ** 1953 ** Function bta_av_discover_req 1954 ** 1955 ** Description Send an AVDTP discover request to the peer. 1956 ** 1957 ** Returns void 1958 ** 1959 *******************************************************************************/ 1960 void bta_av_discover_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1961 { 1962 UNUSED(p_data); 1963 1964 /* send avdtp discover request */ 1965 1966 AVDT_DiscoverReq(p_scb->peer_addr, p_scb->sep_info, BTA_AV_NUM_SEPS, bta_av_dt_cback[p_scb->hdi]); 1967 } 1968 1969 /******************************************************************************* 1970 ** 1971 ** Function bta_av_conn_failed 1972 ** 1973 ** Description AVDTP connection failed. 1974 ** 1975 ** Returns void 1976 ** 1977 *******************************************************************************/ 1978 void bta_av_conn_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1979 { 1980 p_scb->open_status = BTA_AV_FAIL_STREAM; 1981 bta_av_str_closed(p_scb, p_data); 1982 } 1983 1984 /******************************************************************************* 1985 ** 1986 ** Function bta_av_do_start 1987 ** 1988 ** Description Start stream. 1989 ** 1990 ** Returns void 1991 ** 1992 *******************************************************************************/ 1993 void bta_av_do_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 1994 { 1995 UINT8 policy = HCI_ENABLE_SNIFF_MODE; 1996 UINT8 cur_role; 1997 1998 APPL_TRACE_DEBUG("bta_av_do_start sco_occupied:%d, role:x%x, started:%d", bta_av_cb.sco_occupied, p_scb->role, p_scb->started); 1999 if (bta_av_cb.sco_occupied) 2000 { 2001 bta_av_start_failed(p_scb, p_data); 2002 return; 2003 } 2004 2005 /* disallow role switch during streaming, only if we are the master role 2006 * i.e. allow role switch, if we are slave. 2007 * It would not hurt us, if the peer device wants us to be master */ 2008 if ((BTM_GetRole (p_scb->peer_addr, &cur_role) == BTM_SUCCESS) && 2009 (cur_role == BTM_ROLE_MASTER) ) 2010 { 2011 policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; 2012 } 2013 2014 bta_sys_clear_policy(BTA_ID_AV, policy, p_scb->peer_addr); 2015 2016 if ((p_scb->started == FALSE) && ((p_scb->role & BTA_AV_ROLE_START_INT) == 0)) 2017 { 2018 p_scb->role |= BTA_AV_ROLE_START_INT; 2019 bta_sys_busy(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); 2020 2021 AVDT_StartReq(&p_scb->avdt_handle, 1); 2022 } 2023 else if (p_scb->started) 2024 { 2025 p_scb->role |= BTA_AV_ROLE_START_INT; 2026 if ( p_scb->wait == 0 ) { 2027 if (p_scb->role & BTA_AV_ROLE_SUSPEND) { 2028 notify_start_failed(p_scb); 2029 } else { 2030 bta_av_start_ok(p_scb, NULL); 2031 } 2032 } 2033 } 2034 APPL_TRACE_DEBUG("started %d role:x%x", p_scb->started, p_scb->role); 2035 } 2036 2037 /******************************************************************************* 2038 ** 2039 ** Function bta_av_str_stopped 2040 ** 2041 ** Description Stream stopped. 2042 ** 2043 ** Returns void 2044 ** 2045 *******************************************************************************/ 2046 void bta_av_str_stopped (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2047 { 2048 tBTA_AV_SUSPEND suspend_rsp; 2049 UINT8 start = p_scb->started; 2050 BOOLEAN sus_evt = TRUE; 2051 BT_HDR *p_buf; 2052 UINT8 policy = HCI_ENABLE_SNIFF_MODE; 2053 2054 APPL_TRACE_ERROR("bta_av_str_stopped:audio_open_cnt=%d, p_data %x", 2055 bta_av_cb.audio_open_cnt, p_data); 2056 2057 bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); 2058 if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || bta_av_cb.audio_open_cnt == 1) 2059 policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; 2060 bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr); 2061 2062 if (p_scb->co_started) 2063 { 2064 bta_av_stream_chg(p_scb, FALSE); 2065 p_scb->co_started = FALSE; 2066 2067 p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type); 2068 L2CA_SetFlushTimeout(p_scb->peer_addr, L2CAP_DEFAULT_FLUSH_TO); 2069 } 2070 2071 /* if q_info.a2d_list is not empty, drop it now */ 2072 if (BTA_AV_CHNL_AUDIO == p_scb->chnl) { 2073 while (!list_is_empty(p_scb->a2d_list)) 2074 { 2075 p_buf = (BT_HDR *)list_front(p_scb->a2d_list); 2076 list_remove(p_scb->a2d_list, p_buf); 2077 GKI_freebuf(p_buf); 2078 } 2079 2080 /* drop the audio buffers queued in L2CAP */ 2081 if (p_data && p_data->api_stop.flush) 2082 L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); 2083 } 2084 2085 suspend_rsp.chnl = p_scb->chnl; 2086 suspend_rsp.hndl = p_scb->hndl; 2087 2088 if (p_data && p_data->api_stop.suspend) 2089 { 2090 APPL_TRACE_DEBUG("suspending: %d, sup:%d", start, p_scb->suspend_sup); 2091 if ((start) && (p_scb->suspend_sup)) 2092 { 2093 sus_evt = FALSE; 2094 p_scb->l2c_bufs = 0; 2095 AVDT_SuspendReq(&p_scb->avdt_handle, 1); 2096 } 2097 2098 /* send SUSPEND_EVT event only if not in reconfiguring state and sus_evt is TRUE*/ 2099 if ((sus_evt)&&(p_scb->state != BTA_AV_RCFG_SST)) 2100 { 2101 suspend_rsp.status = BTA_AV_SUCCESS; 2102 suspend_rsp.initiator = TRUE; 2103 (*bta_av_cb.p_cback)(BTA_AV_SUSPEND_EVT, (tBTA_AV *) &suspend_rsp); 2104 } 2105 } 2106 else 2107 { 2108 suspend_rsp.status = BTA_AV_SUCCESS; 2109 suspend_rsp.initiator = TRUE; 2110 APPL_TRACE_EVENT("bta_av_str_stopped status %d", suspend_rsp.status); 2111 2112 /* send STOP_EVT event only if not in reconfiguring state */ 2113 if (p_scb->state != BTA_AV_RCFG_SST) 2114 { 2115 (*bta_av_cb.p_cback)(BTA_AV_STOP_EVT, (tBTA_AV *) &suspend_rsp); 2116 } 2117 } 2118 } 2119 2120 /******************************************************************************* 2121 ** 2122 ** Function bta_av_reconfig 2123 ** 2124 ** Description process the reconfigure request. 2125 ** save the parameter in control block and 2126 ** suspend, reconfigure or close the stream 2127 ** 2128 ** Returns void 2129 ** 2130 *******************************************************************************/ 2131 void bta_av_reconfig (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2132 { 2133 tAVDT_CFG *p_cfg; 2134 tBTA_AV_API_STOP stop; 2135 tBTA_AV_RECONFIG evt; 2136 tBTA_AV_API_RCFG *p_rcfg = &p_data->api_reconfig; 2137 2138 APPL_TRACE_DEBUG("bta_av_reconfig r:%d, s:%d idx: %d (o:%d)", 2139 p_scb->recfg_sup, p_scb->suspend_sup, 2140 p_scb->rcfg_idx, p_scb->sep_info_idx); 2141 2142 p_scb->num_recfg = 0; 2143 /* store the new configuration in control block */ 2144 if (p_scb->p_cap == NULL) 2145 { 2146 p_scb->p_cap = (tAVDT_CFG *) GKI_getbuf(sizeof(tAVDT_CFG)); 2147 } 2148 if((p_cfg = p_scb->p_cap) == NULL) 2149 { 2150 /* report failure */ 2151 evt.status = BTA_AV_FAIL_RESOURCES; 2152 evt.chnl = p_scb->chnl; 2153 evt.hndl = p_scb->hndl; 2154 (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt); 2155 2156 /* this event is not possible in this state. 2157 * use it to bring the SSM back to open state */ 2158 bta_av_ssm_execute(p_scb, BTA_AV_SDP_DISC_OK_EVT, NULL); 2159 return; 2160 } 2161 2162 /*if(bta_av_cb.features & BTA_AV_FEAT_RCCT)*/ 2163 bta_sys_stop_timer(&p_scb->timer); 2164 2165 memcpy(p_cfg, &p_scb->cfg, sizeof(tAVDT_CFG)); 2166 p_cfg->num_protect = p_rcfg->num_protect; 2167 memcpy(p_cfg->codec_info, p_rcfg->codec_info, AVDT_CODEC_SIZE); 2168 memcpy(p_cfg->protect_info, p_rcfg->p_protect_info, p_rcfg->num_protect); 2169 p_scb->rcfg_idx = p_rcfg->sep_info_idx; 2170 p_scb->p_cap->psc_mask = p_scb->cur_psc_mask; 2171 2172 /* if the requested index differs from the current one, we can only close/open */ 2173 if ((p_scb->rcfg_idx == p_scb->sep_info_idx) && 2174 (p_rcfg->suspend)&& (p_scb->recfg_sup) && (p_scb->suspend_sup)) 2175 { 2176 if(p_scb->started) 2177 { 2178 stop.flush = FALSE; 2179 stop.suspend = TRUE; 2180 bta_av_str_stopped(p_scb, (tBTA_AV_DATA *)&stop); 2181 } 2182 else 2183 { 2184 APPL_TRACE_DEBUG("Reconfig"); 2185 AVDT_ReconfigReq(p_scb->avdt_handle, p_scb->p_cap); 2186 p_scb->p_cap->psc_mask = p_scb->cur_psc_mask; 2187 } 2188 } 2189 else 2190 { 2191 /* close the stream */ 2192 APPL_TRACE_DEBUG("close/open num_protect: %d", p_cfg->num_protect); 2193 if(p_scb->started) 2194 { 2195 bta_av_str_stopped(p_scb, NULL); 2196 p_scb->started = FALSE; 2197 2198 /* drop the buffers queued in L2CAP */ 2199 L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); 2200 2201 AVDT_CloseReq(p_scb->avdt_handle); 2202 } 2203 } 2204 } 2205 2206 /******************************************************************************* 2207 ** 2208 ** Function bta_av_data_path 2209 ** 2210 ** Description Handle stream data path. 2211 ** 2212 ** Returns void 2213 ** 2214 *******************************************************************************/ 2215 void bta_av_data_path (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2216 { 2217 BT_HDR *p_buf = NULL; 2218 UINT32 data_len; 2219 UINT32 timestamp; 2220 BOOLEAN new_buf = FALSE; 2221 UINT8 m_pt = 0x60 | p_scb->codec_type; 2222 tAVDT_DATA_OPT_MASK opt; 2223 UNUSED(p_data); 2224 2225 if (p_scb->cong) 2226 { 2227 return; 2228 } 2229 2230 /* 2231 APPL_TRACE_ERROR("q: %d", p_scb->l2c_bufs); 2232 */ 2233 //Always get the current number of bufs que'd up 2234 p_scb->l2c_bufs = (UINT8)L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_GET); 2235 2236 if (!list_is_empty(p_scb->a2d_list)) { 2237 p_buf = (BT_HDR *)list_front(p_scb->a2d_list); 2238 list_remove(p_scb->a2d_list, p_buf); 2239 /* use q_info.a2d data, read the timestamp */ 2240 timestamp = *(UINT32 *)(p_buf + 1); 2241 } 2242 else 2243 { 2244 new_buf = TRUE; 2245 /* a2d_list empty, call co_data, dup data to other channels */ 2246 p_buf = (BT_HDR *)p_scb->p_cos->data(p_scb->codec_type, &data_len, 2247 ×tamp); 2248 2249 if (p_buf) 2250 { 2251 /* use the offset area for the time stamp */ 2252 *(UINT32 *)(p_buf + 1) = timestamp; 2253 2254 /* dup the data to other channels */ 2255 bta_av_dup_audio_buf(p_scb, p_buf); 2256 } 2257 } 2258 2259 if(p_buf) 2260 { 2261 if(p_scb->l2c_bufs < (BTA_AV_QUEUE_DATA_CHK_NUM)) 2262 { 2263 /* there's a buffer, just queue it to L2CAP */ 2264 /* There's no need to increment it here, it is always read from L2CAP see above */ 2265 /* p_scb->l2c_bufs++; */ 2266 /* 2267 APPL_TRACE_ERROR("qw: %d", p_scb->l2c_bufs); 2268 */ 2269 2270 /* opt is a bit mask, it could have several options set */ 2271 opt = AVDT_DATA_OPT_NONE; 2272 if (p_scb->no_rtp_hdr) 2273 { 2274 opt |= AVDT_DATA_OPT_NO_RTP; 2275 } 2276 2277 AVDT_WriteReqOpt(p_scb->avdt_handle, p_buf, timestamp, m_pt, opt); 2278 p_scb->cong = TRUE; 2279 } 2280 else 2281 { 2282 /* there's a buffer, but L2CAP does not seem to be moving data */ 2283 if(new_buf) 2284 { 2285 /* just got this buffer from co_data, 2286 * put it in queue */ 2287 list_append(p_scb->a2d_list, p_buf); 2288 } 2289 else 2290 { 2291 /* just dequeue it from the a2d_list */ 2292 if (list_length(p_scb->a2d_list) < 3) { 2293 /* put it back to the queue */ 2294 list_prepend(p_scb->a2d_list, p_buf); 2295 } 2296 else 2297 { 2298 /* too many buffers in a2d_list, drop it. */ 2299 bta_av_co_audio_drop(p_scb->hndl); 2300 GKI_freebuf(p_buf); 2301 } 2302 } 2303 } 2304 } 2305 } 2306 2307 /******************************************************************************* 2308 ** 2309 ** Function bta_av_start_ok 2310 ** 2311 ** Description Stream started. 2312 ** 2313 ** Returns void 2314 ** 2315 *******************************************************************************/ 2316 void bta_av_start_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2317 { 2318 tBTA_AV_START start; 2319 tBTA_AV_API_STOP stop; 2320 BOOLEAN initiator = FALSE; 2321 BOOLEAN suspend = FALSE; 2322 UINT16 flush_to; 2323 UINT8 new_role = p_scb->role; 2324 BT_HDR hdr; 2325 UINT8 policy = HCI_ENABLE_SNIFF_MODE; 2326 UINT8 cur_role; 2327 2328 APPL_TRACE_DEBUG("bta_av_start_ok wait:x%x, role:x%x", p_scb->wait, p_scb->role); 2329 2330 p_scb->started = TRUE; 2331 if (p_scb->sco_suspend) 2332 { 2333 p_scb->sco_suspend = FALSE; 2334 } 2335 2336 if (new_role & BTA_AV_ROLE_START_INT) 2337 initiator = TRUE; 2338 2339 /* for A2DP SINK we do not send get_caps */ 2340 if ((p_scb->avdt_handle == p_scb->seps[p_scb->sep_idx].av_handle) 2341 &&(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK)) 2342 { 2343 p_scb->wait &= ~(BTA_AV_WAIT_ACP_CAPS_ON); 2344 APPL_TRACE_DEBUG(" Local SEP type is SNK new wait is 0x%x",p_scb->wait); 2345 } 2346 if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_FAILED) 2347 { 2348 /* role switch has failed */ 2349 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_FAILED; 2350 p_data = (tBTA_AV_DATA *)&hdr; 2351 hdr.offset = BTA_AV_RS_FAIL; 2352 } 2353 APPL_TRACE_DEBUG("wait:x%x", p_scb->wait); 2354 2355 if (p_data && (p_data->hdr.offset != BTA_AV_RS_NONE)) 2356 { 2357 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; 2358 if (p_data->hdr.offset == BTA_AV_RS_FAIL) 2359 { 2360 bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); 2361 start.chnl = p_scb->chnl; 2362 start.status = BTA_AV_FAIL_ROLE; 2363 start.hndl = p_scb->hndl; 2364 start.initiator = initiator; 2365 (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start); 2366 return; 2367 } 2368 } 2369 2370 if (!bta_av_link_role_ok(p_scb, A2D_SET_ONE_BIT)) 2371 p_scb->q_tag = BTA_AV_Q_TAG_START; 2372 else 2373 { 2374 /* The wait flag may be set here while we are already master on the link */ 2375 /* this could happen if a role switch complete event occurred during reconfig */ 2376 /* if we are now master on the link, there is no need to wait for the role switch, */ 2377 /* complete anymore so we can clear the wait for role switch flag */ 2378 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; 2379 } 2380 2381 if (p_scb->wait & (BTA_AV_WAIT_ROLE_SW_RES_OPEN|BTA_AV_WAIT_ROLE_SW_RES_START)) 2382 { 2383 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_STARTED; 2384 p_scb->q_tag = BTA_AV_Q_TAG_START; 2385 } 2386 2387 if (p_scb->wait) 2388 { 2389 APPL_TRACE_ERROR("wait:x%x q_tag:%d- not started", p_scb->wait, p_scb->q_tag); 2390 /* Clear first bit of p_scb->wait and not to return from this point else 2391 * HAL layer gets blocked. And if there is delay in Get Capability response as 2392 * first bit of p_scb->wait is cleared hence it ensures bt_av_start_ok is not called 2393 * again from bta_av_save_caps. 2394 */ 2395 p_scb->wait &= ~BTA_AV_WAIT_ACP_CAPS_ON; 2396 } 2397 2398 /* tell role manager to check M/S role */ 2399 bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); 2400 2401 bta_sys_busy(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); 2402 2403 if(p_scb->media_type == AVDT_MEDIA_AUDIO) 2404 { 2405 /* in normal logic, conns should be bta_av_cb.audio_count - 1, 2406 * However, bta_av_stream_chg is not called to increase bta_av_cb.audio_count yet. 2407 * If the code were to be re-arranged for some reasons, this number may need to be changed 2408 */ 2409 p_scb->co_started = bta_av_cb.audio_open_cnt; 2410 flush_to = p_bta_av_cfg->p_audio_flush_to[p_scb->co_started - 1]; 2411 } 2412 else 2413 { 2414 flush_to = p_bta_av_cfg->video_flush_to; 2415 } 2416 L2CA_SetFlushTimeout(p_scb->peer_addr, flush_to ); 2417 2418 /* clear the congestion flag */ 2419 p_scb->cong = FALSE; 2420 2421 if (new_role & BTA_AV_ROLE_START_INT) 2422 { 2423 new_role &= ~BTA_AV_ROLE_START_INT; 2424 } 2425 else if ((new_role & BTA_AV_ROLE_AD_ACP) && (new_role & BTA_AV_ROLE_SUSPEND_OPT)) 2426 { 2427 suspend = TRUE; 2428 } 2429 2430 if (!suspend) 2431 { 2432 p_scb->q_tag = BTA_AV_Q_TAG_STREAM; 2433 bta_av_stream_chg(p_scb, TRUE); 2434 } 2435 2436 { 2437 /* If sink starts stream, disable sniff mode here */ 2438 if (!initiator) 2439 { 2440 /* If souce is the master role, disable role switch during streaming. 2441 * Otherwise allow role switch, if source is slave. 2442 * Because it would not hurt source, if the peer device wants source to be master */ 2443 if ((BTM_GetRole (p_scb->peer_addr, &cur_role) == BTM_SUCCESS) && 2444 (cur_role == BTM_ROLE_MASTER) ) 2445 { 2446 policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; 2447 } 2448 2449 bta_sys_clear_policy(BTA_ID_AV, policy, p_scb->peer_addr); 2450 } 2451 2452 p_scb->role = new_role; 2453 p_scb->role &= ~BTA_AV_ROLE_AD_ACP; 2454 p_scb->role &= ~BTA_AV_ROLE_SUSPEND_OPT; 2455 2456 p_scb->no_rtp_hdr = FALSE; 2457 p_scb->p_cos->start(p_scb->hndl, p_scb->codec_type, p_scb->cfg.codec_info, &p_scb->no_rtp_hdr); 2458 p_scb->co_started = TRUE; 2459 2460 APPL_TRACE_DEBUG("bta_av_start_ok suspending: %d, role:x%x, init %d", 2461 suspend, p_scb->role, initiator); 2462 2463 start.suspending = suspend; 2464 start.initiator = initiator; 2465 start.chnl = p_scb->chnl; 2466 start.status = BTA_AV_SUCCESS; 2467 start.hndl = p_scb->hndl; 2468 (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start); 2469 2470 if(suspend) 2471 { 2472 p_scb->role |= BTA_AV_ROLE_SUSPEND; 2473 p_scb->cong = TRUE; /* do not allow the media data to go through */ 2474 /* do not duplicate the media packets to this channel */ 2475 p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type); 2476 p_scb->co_started = FALSE; 2477 stop.flush = FALSE; 2478 stop.suspend = TRUE; 2479 bta_av_ssm_execute(p_scb, BTA_AV_AP_STOP_EVT, (tBTA_AV_DATA *)&stop); 2480 } 2481 } 2482 } 2483 2484 /******************************************************************************* 2485 ** 2486 ** Function bta_av_start_failed 2487 ** 2488 ** Description Stream start failed. 2489 ** 2490 ** Returns void 2491 ** 2492 *******************************************************************************/ 2493 void bta_av_start_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2494 { 2495 UNUSED(p_data); 2496 2497 if(p_scb->started == FALSE && p_scb->co_started == FALSE) 2498 { 2499 bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); 2500 notify_start_failed(p_scb); 2501 } 2502 2503 bta_sys_set_policy(BTA_ID_AV, (HCI_ENABLE_SNIFF_MODE|HCI_ENABLE_MASTER_SLAVE_SWITCH), p_scb->peer_addr); 2504 p_scb->sco_suspend = FALSE; 2505 } 2506 2507 /******************************************************************************* 2508 ** 2509 ** Function bta_av_str_closed 2510 ** 2511 ** Description Stream closed. 2512 ** 2513 ** Returns void 2514 ** 2515 *******************************************************************************/ 2516 void bta_av_str_closed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2517 { 2518 tBTA_AV data; 2519 tBTA_AV_EVT event; 2520 UINT16 mtu; 2521 UINT8 policy = HCI_ENABLE_SNIFF_MODE; 2522 2523 if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || bta_av_cb.audio_open_cnt == 1) 2524 policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; 2525 bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr); 2526 if (bta_av_cb.audio_open_cnt <= 1) 2527 { 2528 /* last connection - restore the allow switch flag */ 2529 L2CA_SetDesireRole(L2CAP_ROLE_ALLOW_SWITCH); 2530 } 2531 2532 if (p_scb->open_status) 2533 { 2534 /* must be failure when opening the stream */ 2535 bdcpy(data.open.bd_addr, p_scb->peer_addr); 2536 data.open.status = p_scb->open_status; 2537 data.open.chnl = p_scb->chnl; 2538 data.open.hndl = p_scb->hndl; 2539 2540 if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC ) 2541 data.open.sep = AVDT_TSEP_SNK; 2542 else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK ) 2543 data.open.sep = AVDT_TSEP_SRC; 2544 2545 event = BTA_AV_OPEN_EVT; 2546 p_scb->open_status = BTA_AV_SUCCESS; 2547 2548 bta_sys_conn_close(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); 2549 bta_av_cleanup(p_scb, p_data); 2550 (*bta_av_cb.p_cback)(event, &data); 2551 } 2552 else 2553 { 2554 /* do stop if we were started */ 2555 if (p_scb->co_started) 2556 { 2557 bta_av_str_stopped(p_scb, NULL); 2558 } 2559 2560 /* Update common mtu shared by remaining connectons */ 2561 mtu = bta_av_chk_mtu(p_scb, BTA_AV_MAX_A2DP_MTU); 2562 2563 { 2564 p_scb->p_cos->close(p_scb->hndl, p_scb->codec_type, mtu); 2565 data.close.chnl = p_scb->chnl; 2566 data.close.hndl = p_scb->hndl; 2567 event = BTA_AV_CLOSE_EVT; 2568 2569 bta_sys_conn_close(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); 2570 bta_av_cleanup(p_scb, p_data); 2571 (*bta_av_cb.p_cback)(event, &data); 2572 } 2573 } 2574 } 2575 2576 /******************************************************************************* 2577 ** 2578 ** Function bta_av_clr_cong 2579 ** 2580 ** Description Clear stream congestion flag. 2581 ** 2582 ** Returns void 2583 ** 2584 *******************************************************************************/ 2585 void bta_av_clr_cong (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2586 { 2587 UNUSED(p_data); 2588 2589 if(p_scb->co_started) 2590 p_scb->cong = FALSE; 2591 } 2592 2593 /******************************************************************************* 2594 ** 2595 ** Function bta_av_suspend_cfm 2596 ** 2597 ** Description process the suspend response 2598 ** 2599 ** Returns void 2600 ** 2601 *******************************************************************************/ 2602 void bta_av_suspend_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2603 { 2604 tBTA_AV_SUSPEND suspend_rsp; 2605 UINT8 err_code = p_data->str_msg.msg.hdr.err_code; 2606 UINT8 policy = HCI_ENABLE_SNIFF_MODE; 2607 2608 APPL_TRACE_DEBUG ("bta_av_suspend_cfm:audio_open_cnt = %d, err_code = %d", 2609 bta_av_cb.audio_open_cnt, err_code); 2610 2611 if (p_scb->started == FALSE) 2612 { 2613 /* handle the condition where there is a collision of SUSPEND req from either side 2614 ** Second SUSPEND req could be rejected. Do not treat this as a failure 2615 */ 2616 APPL_TRACE_WARNING("bta_av_suspend_cfm: already suspended, ignore, err_code %d", 2617 err_code); 2618 return; 2619 } 2620 2621 suspend_rsp.status = BTA_AV_SUCCESS; 2622 if (err_code && (err_code != AVDT_ERR_BAD_STATE)) 2623 { 2624 /* Disable suspend feature only with explicit rejection(not with timeout) */ 2625 if (err_code != AVDT_ERR_TIMEOUT) 2626 { 2627 p_scb->suspend_sup = FALSE; 2628 } 2629 suspend_rsp.status = BTA_AV_FAIL; 2630 2631 APPL_TRACE_ERROR ("bta_av_suspend_cfm: suspend failed, closing connection"); 2632 2633 /* SUSPEND failed. Close connection. */ 2634 bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, NULL); 2635 } 2636 else 2637 { 2638 /* only set started to FALSE when suspend is successful */ 2639 p_scb->started = FALSE; 2640 } 2641 2642 if (p_scb->role & BTA_AV_ROLE_SUSPEND) 2643 { 2644 p_scb->role &= ~BTA_AV_ROLE_SUSPEND; 2645 p_scb->cong = FALSE; 2646 } 2647 2648 bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); 2649 if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || bta_av_cb.audio_open_cnt == 1) 2650 policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; 2651 bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr); 2652 2653 /* in case that we received suspend_ind, we may need to call co_stop here */ 2654 if(p_scb->co_started) 2655 { 2656 bta_av_stream_chg(p_scb, FALSE); 2657 2658 { 2659 p_scb->co_started = FALSE; 2660 p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type); 2661 } 2662 L2CA_SetFlushTimeout(p_scb->peer_addr, L2CAP_DEFAULT_FLUSH_TO); 2663 } 2664 2665 { 2666 suspend_rsp.chnl = p_scb->chnl; 2667 suspend_rsp.hndl = p_scb->hndl; 2668 suspend_rsp.initiator = p_data->str_msg.initiator; 2669 (*bta_av_cb.p_cback)(BTA_AV_SUSPEND_EVT, (tBTA_AV *) &suspend_rsp); 2670 } 2671 } 2672 2673 /******************************************************************************* 2674 ** 2675 ** Function bta_av_rcfg_str_ok 2676 ** 2677 ** Description report reconfigure successful 2678 ** 2679 ** Returns void 2680 ** 2681 *******************************************************************************/ 2682 void bta_av_rcfg_str_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2683 { 2684 tBTA_AV_RECONFIG evt; 2685 UNUSED(p_data); 2686 2687 p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle); 2688 APPL_TRACE_DEBUG("bta_av_rcfg_str_ok: l2c_cid: %d", p_scb->l2c_cid); 2689 2690 /* rc listen */ 2691 bta_av_st_rc_timer(p_scb, NULL); 2692 utl_freebuf((void **)&p_scb->p_cap); 2693 2694 /* No need to keep the role bits once reconfig is done. */ 2695 p_scb->role &= ~BTA_AV_ROLE_AD_ACP; 2696 p_scb->role &= ~BTA_AV_ROLE_SUSPEND_OPT; 2697 p_scb->role &= ~BTA_AV_ROLE_START_INT; 2698 2699 { 2700 /* reconfigure success */ 2701 evt.status = BTA_AV_SUCCESS; 2702 evt.chnl = p_scb->chnl; 2703 evt.hndl = p_scb->hndl; 2704 (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt); 2705 } 2706 } 2707 2708 /******************************************************************************* 2709 ** 2710 ** Function bta_av_rcfg_failed 2711 ** 2712 ** Description process reconfigure failed 2713 ** 2714 ** Returns void 2715 ** 2716 *******************************************************************************/ 2717 void bta_av_rcfg_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2718 { 2719 tBTA_AV_RECONFIG evt; 2720 2721 APPL_TRACE_DEBUG("bta_av_rcfg_failed num_recfg: %d, conn_lcb:0x%x", 2722 p_scb->num_recfg, bta_av_cb.conn_lcb); 2723 if(p_scb->num_recfg > BTA_AV_RECONFIG_RETRY) 2724 { 2725 bta_av_cco_close(p_scb, p_data); 2726 /* report failure */ 2727 evt.status = BTA_AV_FAIL_STREAM; 2728 evt.chnl = p_scb->chnl; 2729 evt.hndl = p_scb->hndl; 2730 (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt); 2731 /* go to closing state */ 2732 bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, NULL); 2733 } 2734 else 2735 { 2736 /* open failed. try again */ 2737 p_scb->num_recfg++; 2738 if(bta_av_cb.conn_lcb) 2739 { 2740 AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]); 2741 } 2742 else 2743 { 2744 bta_av_connect_req(p_scb, NULL); 2745 } 2746 } 2747 } 2748 2749 /******************************************************************************* 2750 ** 2751 ** Function bta_av_rcfg_connect 2752 ** 2753 ** Description stream closed. reconnect the stream 2754 ** 2755 ** Returns void 2756 ** 2757 *******************************************************************************/ 2758 void bta_av_rcfg_connect (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2759 { 2760 UNUSED(p_data); 2761 2762 p_scb->cong = FALSE; 2763 p_scb->num_recfg++; 2764 APPL_TRACE_DEBUG("bta_av_rcfg_connect num_recfg: %d", p_scb->num_recfg); 2765 if(p_scb->num_recfg > BTA_AV_RECONFIG_RETRY) 2766 { 2767 /* let bta_av_rcfg_failed report fail */ 2768 bta_av_rcfg_failed(p_scb, NULL); 2769 } 2770 else 2771 AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, bta_av_dt_cback[p_scb->hdi]); 2772 } 2773 2774 /******************************************************************************* 2775 ** 2776 ** Function bta_av_rcfg_discntd 2777 ** 2778 ** Description AVDT disconnected. reconnect the stream 2779 ** 2780 ** Returns void 2781 ** 2782 *******************************************************************************/ 2783 void bta_av_rcfg_discntd (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2784 { 2785 tBTA_AV_RECONFIG evt; 2786 UNUSED(p_data); 2787 2788 APPL_TRACE_DEBUG("bta_av_rcfg_discntd num_recfg: %d", p_scb->num_recfg); 2789 p_scb->num_recfg++; 2790 if(p_scb->num_recfg > BTA_AV_RECONFIG_RETRY) 2791 { 2792 /* report failure */ 2793 evt.status = BTA_AV_FAIL_STREAM; 2794 evt.chnl = p_scb->chnl; 2795 evt.hndl = p_scb->hndl; 2796 (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt); 2797 /* report close event & go to init state */ 2798 bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, NULL); 2799 } 2800 else 2801 AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, bta_av_dt_cback[p_scb->hdi]); 2802 } 2803 2804 /******************************************************************************* 2805 ** 2806 ** Function bta_av_suspend_cont 2807 ** 2808 ** Description received the suspend response. 2809 ** continue to reconfigure the stream 2810 ** 2811 ** Returns void 2812 ** 2813 *******************************************************************************/ 2814 void bta_av_suspend_cont (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2815 { 2816 UINT8 err_code = p_data->str_msg.msg.hdr.err_code; 2817 tBTA_AV_RECONFIG evt; 2818 2819 p_scb->started = FALSE; 2820 p_scb->cong = FALSE; 2821 if (err_code) 2822 { 2823 if (AVDT_ERR_CONNECT == err_code) 2824 { 2825 /* report failure */ 2826 evt.status = BTA_AV_FAIL; 2827 (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt); 2828 bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, NULL); 2829 } 2830 else 2831 { 2832 APPL_TRACE_ERROR("suspend rejected, try close"); 2833 /* Disable suspend feature only with explicit rejection(not with timeout) */ 2834 if (err_code != AVDT_ERR_TIMEOUT) 2835 { 2836 p_scb->suspend_sup = FALSE; 2837 } 2838 /* drop the buffers queued in L2CAP */ 2839 L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); 2840 2841 AVDT_CloseReq(p_scb->avdt_handle); 2842 } 2843 } 2844 else 2845 { 2846 APPL_TRACE_DEBUG("bta_av_suspend_cont calling AVDT_ReconfigReq"); 2847 /* reconfig the stream */ 2848 2849 AVDT_ReconfigReq(p_scb->avdt_handle, p_scb->p_cap); 2850 p_scb->p_cap->psc_mask = p_scb->cur_psc_mask; 2851 } 2852 } 2853 2854 /******************************************************************************* 2855 ** 2856 ** Function bta_av_rcfg_cfm 2857 ** 2858 ** Description if reconfigure is successful, report the event 2859 ** otherwise, close the stream. 2860 ** 2861 ** Returns void 2862 ** 2863 *******************************************************************************/ 2864 void bta_av_rcfg_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2865 { 2866 UINT8 err_code = p_data->str_msg.msg.hdr.err_code; 2867 2868 /* 2869 APPL_TRACE_DEBUG("bta_av_rcfg_cfm"); 2870 */ 2871 if (err_code) 2872 { 2873 APPL_TRACE_ERROR("reconfig rejected, try close"); 2874 /* Disable reconfiguration feature only with explicit rejection(not with timeout) */ 2875 if (err_code != AVDT_ERR_TIMEOUT) 2876 { 2877 p_scb->recfg_sup = FALSE; 2878 } 2879 /* started flag is FALSE when reconfigure command is sent */ 2880 /* drop the buffers queued in L2CAP */ 2881 L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); 2882 AVDT_CloseReq(p_scb->avdt_handle); 2883 } 2884 else 2885 { 2886 /* update the codec info after rcfg cfm */ 2887 memcpy(p_scb->cfg.codec_info,p_data->str_msg.msg.reconfig_cfm.p_cfg->codec_info,AVDT_CODEC_SIZE); 2888 /* take the SSM back to OPEN state */ 2889 bta_av_ssm_execute(p_scb, BTA_AV_STR_OPEN_OK_EVT, NULL); 2890 } 2891 } 2892 2893 /******************************************************************************* 2894 ** 2895 ** Function bta_av_rcfg_open 2896 ** 2897 ** Description AVDT is connected. open the stream with the new configuration 2898 ** 2899 ** Returns void 2900 ** 2901 *******************************************************************************/ 2902 void bta_av_rcfg_open (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2903 { 2904 UNUSED(p_data); 2905 2906 APPL_TRACE_DEBUG("bta_av_rcfg_open, num_disc_snks = %d", p_scb->num_disc_snks); 2907 2908 if (p_scb->num_disc_snks == 0) 2909 { 2910 /* Need to update call-out module so that it will be ready for discover */ 2911 p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type); 2912 2913 /* send avdtp discover request */ 2914 AVDT_DiscoverReq(p_scb->peer_addr, p_scb->sep_info, BTA_AV_NUM_SEPS, bta_av_dt_cback[p_scb->hdi]); 2915 } 2916 else 2917 { 2918 p_scb->codec_type = p_scb->p_cap->codec_info[BTA_AV_CODEC_TYPE_IDX]; 2919 memcpy(p_scb->cfg.codec_info, p_scb->p_cap->codec_info, AVDT_CODEC_SIZE); 2920 /* we may choose to use a different SEP at reconfig. 2921 * adjust the sep_idx now */ 2922 bta_av_adjust_seps_idx(p_scb, bta_av_get_scb_handle(p_scb, AVDT_TSEP_SRC)); 2923 2924 /* open the stream with the new config */ 2925 p_scb->sep_info_idx = p_scb->rcfg_idx; 2926 AVDT_OpenReq(p_scb->avdt_handle, p_scb->peer_addr, 2927 p_scb->sep_info[p_scb->sep_info_idx].seid, p_scb->p_cap); 2928 } 2929 2930 } 2931 2932 /******************************************************************************* 2933 ** 2934 ** Function bta_av_security_rej 2935 ** 2936 ** Description Send an AVDTP security reject. 2937 ** 2938 ** Returns void 2939 ** 2940 *******************************************************************************/ 2941 void bta_av_security_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2942 { 2943 UNUSED(p_data); 2944 2945 AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_BAD_STATE, 2946 NULL, 0); 2947 } 2948 2949 /******************************************************************************* 2950 ** 2951 ** Function bta_av_chk_2nd_start 2952 ** 2953 ** Description check if this is 2nd stream and if it needs to be started. 2954 ** This function needs to be kept very similar to bta_av_chk_start 2955 ** 2956 ** Returns void 2957 ** 2958 *******************************************************************************/ 2959 void bta_av_chk_2nd_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 2960 { 2961 tBTA_AV_SCB *p_scbi; 2962 int i; 2963 BOOLEAN new_started = FALSE; 2964 UNUSED(p_data); 2965 2966 if ((p_scb->chnl == BTA_AV_CHNL_AUDIO) && (bta_av_cb.audio_open_cnt >= 2)) 2967 { 2968 /* more than one audio channel is connected */ 2969 if (!(p_scb->role & BTA_AV_ROLE_SUSPEND_OPT)) 2970 { 2971 /* this channel does not need to be reconfigured. 2972 * if there is other channel streaming, start the stream now */ 2973 for(i=0; i<BTA_AV_NUM_STRS; i++) 2974 { 2975 p_scbi = bta_av_cb.p_scb[i]; 2976 if(p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started) 2977 { 2978 if (!new_started) 2979 { 2980 /* start the new stream */ 2981 new_started = TRUE; 2982 bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL); 2983 } 2984 /* may need to update the flush timeout of this already started stream */ 2985 if (p_scbi->co_started != bta_av_cb.audio_open_cnt) 2986 { 2987 p_scbi->co_started = bta_av_cb.audio_open_cnt; 2988 L2CA_SetFlushTimeout(p_scbi->peer_addr, p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1] ); 2989 } 2990 } 2991 } 2992 } 2993 } 2994 } 2995 2996 /******************************************************************************* 2997 ** 2998 ** Function bta_av_open_rc 2999 ** 3000 ** Description Send a message to main SM to open RC channel. 3001 ** 3002 ** Returns void 3003 ** 3004 *******************************************************************************/ 3005 void bta_av_open_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 3006 { 3007 tBTA_AV_START start; 3008 3009 APPL_TRACE_DEBUG("bta_av_open_rc use_rc: %d, wait: x%x role:x%x", p_scb->use_rc, p_scb->wait, p_scb->role); 3010 if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) && (p_scb->q_tag == BTA_AV_Q_TAG_START)) 3011 { 3012 /* waiting for role switch for some reason & the timer expires */ 3013 if (!bta_av_link_role_ok(p_scb, A2D_SET_ONE_BIT)) 3014 { 3015 APPL_TRACE_ERROR ("failed to start streaming for role management reasons!!"); 3016 bta_sys_stop_timer(&p_scb->timer); 3017 start.chnl = p_scb->chnl; 3018 start.status = BTA_AV_FAIL_ROLE; 3019 start.initiator = TRUE; 3020 start.hndl = p_scb->hndl; 3021 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; 3022 bta_av_cb.rs_idx = 0; 3023 (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start); 3024 } 3025 else 3026 { 3027 /* role switch is done. continue to start streaming */ 3028 bta_av_cb.rs_idx = 0; 3029 p_data->hdr.offset = BTA_AV_RS_OK; 3030 bta_av_start_ok (p_scb, p_data); 3031 } 3032 return; 3033 } 3034 3035 if(p_scb->use_rc == TRUE || (p_scb->role & BTA_AV_ROLE_AD_ACP) ) 3036 { 3037 if(bta_av_cb.disc) 3038 { 3039 /* AVRC discover db is in use */ 3040 if(p_scb->rc_handle == BTA_AV_RC_HANDLE_NONE) 3041 { 3042 /* AVRC channel is not connected. delay a little bit */ 3043 if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) == 0) 3044 bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RC_DISC_TIME_VAL); 3045 else 3046 p_scb->wait |= BTA_AV_WAIT_CHECK_RC; 3047 } 3048 } 3049 else 3050 { 3051 /* use main SM for AVRC SDP activities */ 3052 bta_av_rc_disc((UINT8)(p_scb->hdi + 1)); 3053 } 3054 } 3055 else 3056 { 3057 if(BTA_AV_RC_HANDLE_NONE != p_scb->rc_handle) 3058 { 3059 /* the open API said that this handle does not want a RC connection. 3060 * disconnect it now */ 3061 AVRC_Close(p_scb->rc_handle); 3062 } 3063 } 3064 } 3065 3066 /******************************************************************************* 3067 ** 3068 ** Function bta_av_open_at_inc 3069 ** 3070 ** Description This function is called if API open is called by application 3071 ** while state-machine is at incoming state. 3072 ** 3073 ** Returns void 3074 ** 3075 *******************************************************************************/ 3076 void bta_av_open_at_inc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) 3077 { 3078 tBTA_AV_API_OPEN *p_buf; 3079 3080 memcpy (&(p_scb->open_api), &(p_data->api_open), sizeof(tBTA_AV_API_OPEN)); 3081 3082 if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR) 3083 { 3084 p_scb->coll_mask |= BTA_AV_COLL_API_CALLED; 3085 3086 /* API open will be handled at timeout if SNK did not start signalling. */ 3087 /* API open will be ignored if SNK starts signalling. */ 3088 } 3089 else 3090 { 3091 /* SNK did not start signalling, API was called N seconds timeout. */ 3092 /* We need to switch to INIT state and start opening connection. */ 3093 p_scb->coll_mask = 0; 3094 bta_av_set_scb_sst_init (p_scb); 3095 3096 if ((p_buf = (tBTA_AV_API_OPEN *) GKI_getbuf(sizeof(tBTA_AV_API_OPEN))) != NULL) 3097 { 3098 memcpy(p_buf, &(p_scb->open_api), sizeof(tBTA_AV_API_OPEN)); 3099 bta_sys_sendmsg(p_buf); 3100 } 3101 } 3102 } 3103 3104 #endif /* BTA_AV_INCLUDED */ 3105
