/****************************************************************************** * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved. * * Not a contribution. ******************************************************************************/ /****************************************************************************** * * Copyright (C) 2004-2012 Broadcom Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ /****************************************************************************** * * This is the main implementation file for the BTA advanced audio/video. * ******************************************************************************/ #include #include #include "bt_target.h" #include "osi/include/log.h" #if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE) #include "bta_avk_int.h" #include "utl.h" #include "l2c_api.h" #include "l2cdefs.h" #include "bta_avk_co.h" #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) #include "bta_ar_api.h" #endif #include "a2d_aptx.h" #include "bta_avk_api.h" /***************************************************************************** ** Constants and types *****************************************************************************/ /* AVDTP protocol timeout values */ #define BTIF_AVK_SERVICE_NAME "Advanced Audio Sink" #ifndef BTA_AVK_RET_TOUT #define BTA_AVK_RET_TOUT 4 #endif #ifndef BTA_AVK_SIG_TOUT #define BTA_AVK_SIG_TOUT 4 #endif #ifndef BTA_AVK_IDLE_TOUT #define BTA_AVK_IDLE_TOUT 10 #endif /* the delay time in milliseconds to retry role switch */ #ifndef BTA_AVK_RS_TIME_VAL #define BTA_AVK_RS_TIME_VAL 1000 #endif /* state machine states */ enum { BTA_AVK_INIT_ST, BTA_AVK_OPEN_ST }; /* state machine action enumeration list */ enum { BTA_AVK_DISABLE, BTA_AVK_RC_OPENED, BTA_AVK_RC_BR_OPENED, BTA_AVK_RC_REMOTE_CMD, BTA_AVK_RC_VENDOR_CMD, BTA_AVK_RC_VENDOR_RSP, BTA_AVK_RC_FREE_RSP, BTA_AVK_RC_FREE_MSG, BTA_AVK_RC_META_RSP, BTA_AVK_RC_MSG, BTA_AVK_RC_CLOSE, BTA_AVK_RC_BR_CLOSE, BTA_AVK_NUM_ACTIONS }; #define BTA_AVK_IGNORE BTA_AVK_NUM_ACTIONS /* type for action functions */ typedef void (*tBTA_AVK_ACTION)(tBTA_AVK_CB *p_cb, tBTA_AVK_DATA *p_data); /* action functions */ const tBTA_AVK_ACTION bta_avk_action[] = { bta_avk_disable, bta_avk_rc_opened, bta_avk_rc_br_opened, bta_avk_rc_remote_cmd, bta_avk_rc_vendor_cmd, bta_avk_rc_vendor_rsp, bta_avk_rc_free_rsp, bta_avk_rc_free_msg, bta_avk_rc_meta_rsp, bta_avk_rc_msg, bta_avk_rc_close, bta_avk_rc_br_close, NULL }; /* state table information */ #define BTA_AVK_ACTION_COL 0 /* position of actions */ #define BTA_AVK_NEXT_STATE 1 /* position of next state */ #define BTA_AVK_NUM_COLS 2 /* number of columns in state tables */ /* state table for init state */ static const UINT8 bta_avk_st_init[][BTA_AVK_NUM_COLS] = { /* Event Action 1 Next state */ /* API_DISABLE_EVT */ {BTA_AVK_DISABLE, BTA_AVK_INIT_ST }, /* API_REMOTE_CMD_EVT */ {BTA_AVK_IGNORE, BTA_AVK_INIT_ST }, /* API_VENDOR_CMD_EVT */ {BTA_AVK_IGNORE, BTA_AVK_INIT_ST }, /* API_VENDOR_RSP_EVT */ {BTA_AVK_IGNORE, BTA_AVK_INIT_ST }, /* API_META_RSP_EVT */ {BTA_AVK_RC_FREE_RSP, BTA_AVK_INIT_ST }, /* API_RC_CLOSE_EVT */ {BTA_AVK_RC_CLOSE, BTA_AVK_INIT_ST }, /* AVRC_OPEN_EVT */ {BTA_AVK_RC_OPENED, BTA_AVK_OPEN_ST }, /* AVRC_BROWSE_OPEN_EVT*/ {BTA_AVK_IGNORE, BTA_AVK_INIT_ST }, /* AVRC_BROWSE_CLOSE_EVT*/ {BTA_AVK_IGNORE, BTA_AVK_INIT_ST }, /* AVRC_MSG_EVT */ {BTA_AVK_RC_FREE_MSG, BTA_AVK_INIT_ST }, /* AVRC_NONE_EVT */ {BTA_AVK_IGNORE, BTA_AVK_INIT_ST }, }; /* state table for open state */ static const UINT8 bta_avk_st_open[][BTA_AVK_NUM_COLS] = { /* Event Action 1 Next state */ /* API_DISABLE_EVT */ {BTA_AVK_DISABLE, BTA_AVK_INIT_ST }, /* API_REMOTE_CMD_EVT */ {BTA_AVK_RC_REMOTE_CMD, BTA_AVK_OPEN_ST }, /* API_VENDOR_CMD_EVT */ {BTA_AVK_RC_VENDOR_CMD, BTA_AVK_OPEN_ST }, /* API_VENDOR_RSP_EVT */ {BTA_AVK_RC_VENDOR_RSP, BTA_AVK_OPEN_ST }, /* API_META_RSP_EVT */ {BTA_AVK_RC_META_RSP, BTA_AVK_OPEN_ST }, /* API_RC_CLOSE_EVT */ {BTA_AVK_RC_CLOSE, BTA_AVK_OPEN_ST }, /* AVRC_OPEN_EVT */ {BTA_AVK_RC_OPENED, BTA_AVK_OPEN_ST }, /* AVRC_BROWSE_OPEN_EVT*/ {BTA_AVK_RC_BR_OPENED, BTA_AVK_OPEN_ST }, /* AVRC_BROWSE_CLOSE_EVT*/ {BTA_AVK_RC_BR_CLOSE, BTA_AVK_INIT_ST }, /* AVRC_MSG_EVT */ {BTA_AVK_RC_MSG, BTA_AVK_OPEN_ST }, /* AVRC_NONE_EVT */ {BTA_AVK_IGNORE, BTA_AVK_INIT_ST }, }; /* type for state table */ typedef const UINT8 (*tBTA_AVK_ST_TBL)[BTA_AVK_NUM_COLS]; /* state table */ static const tBTA_AVK_ST_TBL bta_avk_st_tbl[] = { bta_avk_st_init, bta_avk_st_open }; typedef void (*tBTA_AVK_NSM_ACT)(tBTA_AVK_DATA *p_data); static void bta_avk_api_enable(tBTA_AVK_DATA *p_data); static void bta_avk_api_register(tBTA_AVK_DATA *p_data); #if (BTA_AV_SINK_INCLUDED == TRUE) static void bta_avk_api_sink_enable(tBTA_AVK_DATA *p_data); #endif static void bta_avk_ci_data(tBTA_AVK_DATA *p_data); #if (AVDT_REPORTING == TRUE) static void bta_avk_rpc_conn(tBTA_AVK_DATA *p_data); #endif static void bta_avk_api_to_ssm(tBTA_AVK_DATA *p_data); static void bta_avk_sco_chg_cback(tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8 app_id, BD_ADDR peer_addr); static void bta_avk_sys_rs_cback (tBTA_SYS_CONN_STATUS status,UINT8 id, UINT8 app_id, BD_ADDR peer_addr); static void bta_avk_api_enable_multicast(tBTA_AVK_DATA *p_data); static void bta_avk_api_update_supp_codecs(tBTA_AVK_DATA *p_data); /* action functions */ const tBTA_AVK_NSM_ACT bta_avk_nsm_act[] = { bta_avk_api_enable, /* BTA_AVK_API_ENABLE_EVT */ bta_avk_api_register, /* BTA_AVK_API_REGISTER_EVT */ bta_avk_api_deregister, /* BTA_AVK_API_DEREGISTER_EVT */ bta_avk_api_disconnect, /* BTA_AVK_API_DISCONNECT_EVT */ bta_avk_ci_data, /* BTA_AVK_CI_SRC_DATA_READY_EVT */ bta_avk_sig_chg, /* BTA_AVK_SIG_CHG_EVT */ bta_avk_sig_timer, /* BTA_AVK_SIG_TIMER_EVT */ bta_avk_rc_disc_done, /* BTA_AVK_SDP_AVRC_DISC_EVT */ bta_avk_rc_closed, /* BTA_AVK_AVRC_CLOSE_EVT */ bta_avk_conn_chg, /* BTA_AVK_CONN_CHG_EVT */ bta_avk_dereg_comp, /* BTA_AVK_DEREG_COMP_EVT */ #if (BTA_AV_SINK_INCLUDED == TRUE) bta_avk_api_sink_enable, /* BTA_AVK_API_SINK_ENABLE_EVT */ #endif #if (AVDT_REPORTING == TRUE) bta_avk_rpc_conn, /* BTA_AVK_AVDT_RPT_CONN_EVT */ #endif bta_avk_api_to_ssm, /* BTA_AVK_API_START_EVT */ bta_avk_api_to_ssm, /* BTA_AVK_API_STOP_EVT */ bta_avk_api_update_supp_codecs, /* BTA_AVK_UPDATE_SUPP_CODECS */ bta_avk_api_enable_multicast, /* BTA_AVK_ENABLE_MULTICAST_EVT */ }; /***************************************************************************** ** Global data *****************************************************************************/ /* AV control block */ #if BTA_DYNAMIC_MEMORY == FALSE tBTA_AVK_CB bta_avk_cb; #endif #if (defined(BTA_AVK_DEBUG) && BTA_AVK_DEBUG == TRUE) static char *bta_avk_st_code(UINT8 state); #endif static BOOLEAN is_multicast_enabled = FALSE; /******************************************************************************* ** ** Function bta_avk_api_enable ** ** Description Handle an API enable event. ** ** ** Returns void ** *******************************************************************************/ static void bta_avk_api_enable(tBTA_AVK_DATA *p_data) { int i; tBTA_AVK_ENABLE enable; /* initialize control block */ memset(&bta_avk_cb, 0, sizeof(tBTA_AVK_CB)); for(i=0; iapi_enable.p_cback; bta_avk_cb.features = p_data->api_enable.features; bta_avk_cb.sec_mask = p_data->api_enable.sec_mask; enable.features = bta_avk_cb.features; /* Register for SCO change event */ if (!(bta_avk_cb.features & BTA_AVK_FEAT_NO_SCO_SSPD)) { bta_sys_sco_register(bta_avk_sco_chg_cback); } /* call callback with enable event */ (*bta_avk_cb.p_cback)(BTA_AVK_ENABLE_EVT, (tBTA_AVK *)&enable); } /******************************************************************************* ** ** Function bta_avk_addr_to_scb ** ** Description find the stream control block by the peer addr ** ** Returns void ** *******************************************************************************/ static tBTA_AVK_SCB * bta_avk_addr_to_scb(BD_ADDR bd_addr) { tBTA_AVK_SCB * p_scb = NULL; int xx; for(xx=0; xxpeer_addr)) { p_scb = bta_avk_cb.p_scb[xx]; break; } } } return p_scb; } /******************************************************************************* ** ** Function bta_avk_hndl_to_scb ** ** Description find the stream control block by the handle ** ** Returns void ** *******************************************************************************/ tBTA_AVK_SCB * bta_avk_hndl_to_scb(UINT16 handle) { tBTA_AVK_HNDL hndl = (tBTA_AVK_HNDL)handle; tBTA_AVK_SCB * p_scb = NULL; UINT8 idx = (hndl & BTA_AVK_HNDL_MSK); if(idx && (idx <= BTA_AVK_NUM_STRS) ) { p_scb = bta_avk_cb.p_scb[idx-1]; } return p_scb; } /******************************************************************************* ** ** Function bta_avk_is_avdt_sync ** ** Description If the current connection supports AVDT1.3 ** ** Returns true for supports AVDT1.3, false for not. ** *******************************************************************************/ BOOLEAN bta_avk_is_avdt_sync(UINT16 handle) { tBTA_AVK_SCB * p_scb = bta_avk_hndl_to_scb(handle); if(p_scb && (p_scb->avdt_version >= AVDT_VERSION_SYNC)) return true; else return false; } /******************************************************************************* ** ** Function bta_avk_alloc_scb ** ** Description allocate stream control block, ** register the service to stack ** create SDP record ** ** Returns void ** *******************************************************************************/ static tBTA_AVK_SCB * bta_avk_alloc_scb(tBTA_AVK_CHNL chnl) { tBTA_AVK_SCB *p_ret = NULL; int xx; tBTA_AVK_STATUS sts = BTA_AVK_SUCCESS; if(chnl == BTA_AVK_CHNL_VIDEO) { if(p_bta_avk_cfg->p_act_tbl == NULL || p_bta_avk_cfg->p_reg == NULL) { APPL_TRACE_ERROR("Video streaming not supported"); sts = BTA_AVK_FAIL; } else { /* allow only one Video channel */ if(bta_avk_cb.reg_video) { APPL_TRACE_ERROR("Already registered"); sts = BTA_AVK_FAIL; } } } else if(chnl != BTA_AVK_CHNL_AUDIO) { APPL_TRACE_ERROR("bad channel: %d", chnl); sts = BTA_AVK_FAIL; } if(sts == BTA_AVK_SUCCESS) { for(xx=0; xxrc_handle = BTA_AVK_RC_HANDLE_NONE; p_ret->chnl = chnl; p_ret->hndl = (tBTA_AVK_HNDL)((xx + 1) | chnl); p_ret->hdi = xx; p_ret->a2d_list = list_new(NULL); p_ret->avrc_ct_timer = alarm_new("bta_avk.avrc_ct_timer"); bta_avk_cb.p_scb[xx] = p_ret; APPL_TRACE_EVENT("AV: Alloc success, handle is =%d", p_ret->hndl); } break; } } } return p_ret; } /******************************************************************************* ** ** Function bta_avk_free_scb ** ** Description free stream control block, ** ** ** Returns void ** *******************************************************************************/ static void bta_avk_free_scb(tBTA_AVK_SCB *p_scb) { // NOTE(google) This free currently is not called assert(p_scb != NULL); list_free(p_scb->a2d_list); osi_free(p_scb); } /******************************************************************************* *******************************************************************************/ void bta_avk_conn_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) { tBTA_AVK_STR_MSG *p_msg; UINT16 evt = 0; tBTA_AVK_SCB *p_scb = NULL; UNUSED(handle); APPL_TRACE_DEBUG("%s event :%d",__func__, event); #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) if (event == BTA_AR_AVDT_CONN_EVT || event == AVDT_CONNECT_IND_EVT || event == AVDT_DISCONNECT_IND_EVT) #else if (event == AVDT_CONNECT_IND_EVT || event == AVDT_DISCONNECT_IND_EVT) #endif { evt = BTA_AVK_SIG_CHG_EVT; if(AVDT_DISCONNECT_IND_EVT == event) p_scb = bta_avk_addr_to_scb(bd_addr); #if (defined(BTA_AVK_DEBUG) && BTA_AVK_DEBUG == TRUE) else if (AVDT_CONNECT_IND_EVT == event) { APPL_TRACE_DEBUG("CONN_IND is ACP:%d", p_data->hdr.err_param); } #endif if (/*((p_scb && (p_scb->role & BTA_AVK_ROLE_AD_ACP)) || //(AVDT_CONNECT_IND_EVT == event && AVDT_ACP == p_data->hdr.err_param)) (AVDT_CONNECT_IND_EVT == event))&& */ (p_msg = (tBTA_AVK_STR_MSG *) osi_malloc((UINT16) (sizeof(tBTA_AVK_STR_MSG)))) != NULL) { p_msg->hdr.event = evt; p_msg->hdr.layer_specific = event; p_msg->hdr.offset = p_data->hdr.err_param; bdcpy(p_msg->bd_addr, bd_addr); #if (defined(BTA_AVK_DEBUG) && BTA_AVK_DEBUG == TRUE) if(p_scb) { APPL_TRACE_DEBUG("scb hndl x%x, role x%x", p_scb->hndl, p_scb->role); } #endif APPL_TRACE_DEBUG("conn_cback bd_addr:%02x-%02x-%02x-%02x-%02x-%02x", bd_addr[0], bd_addr[1], bd_addr[2], bd_addr[3], bd_addr[4], bd_addr[5]); bta_sys_sendmsg(p_msg); } } } BOOLEAN bta_avk_is_scb_available() { tBTA_AVK_CB *p_cb = &bta_avk_cb; int xx; UINT8 mask; for(xx=0; xxconn_lcb, xx); /* look for a p_lcb with its p_scb registered */ if((!(mask & p_cb->conn_lcb)) && (p_cb->p_scb[xx] != NULL)) { /* Check if the SCB is Free before using for * ACP connection */ if (p_cb->p_scb[xx]->state == BTA_AVK_INIT_ST) { APPL_TRACE_DEBUG(" %s SCB is free @ %d", __func__, xx); return true; } } } APPL_TRACE_DEBUG(" %s SCB is not free ", __func__); return false; } #if AVDT_REPORTING == TRUE /******************************************************************************* ** ** Function bta_avk_a2dp_report_cback ** ** Description A2DP report callback. ** ** Returns void ** *******************************************************************************/ static void bta_avk_a2dp_report_cback(UINT8 handle, AVDT_REPORT_TYPE type, tAVDT_REPORT_DATA *p_data) { UNUSED(handle); UNUSED(type); UNUSED(p_data); /* Do not need to handle report data for now. * This empty function is here for conformance reasons. */ } #endif #if (BTA_AV_SINK_INCLUDED == TRUE) /******************************************************************************* ** ** Function bta_avk_api_sink_enable ** ** Description activate, deactive A2DP Sink, ** ** Returns void ** *******************************************************************************/ static void bta_avk_api_sink_enable(tBTA_AVK_DATA *p_data) { UINT16 activate_sink = 0; activate_sink = p_data->hdr.layer_specific; APPL_TRACE_DEBUG("bta_avk_api_sink_enable %d ", activate_sink) char p_service_name[BTA_SERVICE_NAME_LEN+1]; strlcpy(p_service_name, BTIF_AVK_SERVICE_NAME, BTA_SERVICE_NAME_LEN); if(activate_sink) { AVDT_SINK_Activate(); if (bta_avk_cb.sdp_a2d_snk_handle == 0) { bta_avk_cb.sdp_a2d_snk_handle = SDP_CreateRecord(); A2D_AddRecord(UUID_SERVCLASS_AUDIO_SINK, p_service_name, NULL, A2D_SUPF_PLAYER, bta_avk_cb.sdp_a2d_snk_handle); bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SINK); } } else { AVDT_SINK_Deactivate(); if (bta_avk_cb.sdp_a2d_snk_handle != 0) { SDP_DeleteRecord(bta_avk_cb.sdp_a2d_snk_handle); bta_avk_cb.sdp_a2d_snk_handle = 0; bta_sys_remove_uuid(UUID_SERVCLASS_AUDIO_SINK); } } } #endif /******************************************************************************* ** ** Function bta_avk_api_register ** ** Description allocate stream control block, ** register the service to stack ** create SDP record ** ** Returns void ** *******************************************************************************/ static void bta_avk_api_register(tBTA_AVK_DATA *p_data) { tBTA_AVK_REGISTER registr; tBTA_AVK_SCB *p_scb; /* stream control block */ tAVDT_REG reg; tAVDT_CS cs; char *p_service_name; tBTA_AVK_CODEC codec_type; tBTA_UTL_COD cod; UINT8 startIndex = 0; UINT8 endIndex = 0; UINT8 index; UINT16 profile_initialized; memset(&cs,0,sizeof(tAVDT_CS)); registr.status = BTA_AVK_FAIL_RESOURCES; registr.app_id = p_data->api_reg.app_id; registr.chnl = (tBTA_AVK_CHNL)p_data->hdr.layer_specific; APPL_TRACE_DEBUG("bta_avk_api_register : channel %d", registr.chnl); profile_initialized = p_data->api_reg.service_uuid; if(profile_initialized == UUID_SERVCLASS_AUDIO_SINK) { p_bta_avk_cfg = (tBTA_AVK_CFG *) &bta_avk_sink_cfg; } do { p_scb = bta_avk_alloc_scb(registr.chnl); if(p_scb == NULL) { APPL_TRACE_ERROR("failed to alloc SCB"); break; } cs.registration_id = p_scb->hdi; registr.hndl = p_scb->hndl; p_scb->app_id = registr.app_id; /* initialize the stream control block */ registr.status = BTA_AVK_SUCCESS; if((bta_avk_cb.reg_audio + bta_avk_cb.reg_video) == 0) { /* the first channel registered. register to AVDTP */ reg.ctrl_mtu = p_bta_avk_cfg->sig_mtu; reg.ret_tout = BTA_AVK_RET_TOUT; reg.sig_tout = BTA_AVK_SIG_TOUT; reg.idle_tout = BTA_AVK_IDLE_TOUT; reg.sec_mask = bta_avk_cb.sec_mask; #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) bta_ar_reg_avdt(®, bta_avk_conn_cback, BTA_ID_AVK); #endif bta_sys_role_chg_register(&bta_avk_sys_rs_cback); APPL_TRACE_DEBUG("bta_avk_api_register : bta_avk_cb.features %d !~", bta_avk_cb.features); /* create remote control TG service if required */ if (bta_avk_cb.features & (BTA_AVK_FEAT_RCTG)) { /* register with no authorization; let AVDTP use authorization instead */ #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) #if (BTA_AVK_WITH_AVCTP_AUTHORIZATION == TRUE) bta_ar_reg_avct(p_bta_avk_cfg->avrc_mtu, p_bta_avk_cfg->avrc_br_mtu, bta_avk_cb.sec_mask, BTA_ID_AVK); #else bta_ar_reg_avct(p_bta_avk_cfg->avrc_mtu, p_bta_avk_cfg->avrc_br_mtu, (UINT8)(bta_avk_cb.sec_mask & (~BTA_SEC_AUTHORIZE)), BTA_ID_AVK); #endif if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK) { APPL_TRACE_DEBUG("bta_avk_api_register : bta_ar_reg_avrc %d !~", bta_avk_cb.features); bta_ar_reg_avrc(UUID_SERVCLASS_AV_REM_CTRL_TARGET, "AV Remote Control Target", NULL, p_bta_avk_cfg->avrc_tg_cat, BTA_ID_AVK, (bta_avk_cb.features & BTA_AVK_FEAT_BROWSE),AVRC_REV_1_4); } #endif } /* Set the Capturing service class bit */ if (profile_initialized == UUID_SERVCLASS_AUDIO_SOURCE) cod.service = BTM_COD_SERVICE_CAPTURING; else if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK) cod.service = BTM_COD_SERVICE_RENDERING; utl_set_device_class(&cod, BTA_UTL_SET_COD_SERVICE_CLASS); } /* if 1st channel */ /* get stream configuration and create stream */ /* memset(&cs.cfg,0,sizeof(tAVDT_CFG)); */ cs.cfg.num_codec = 1; /* * memset of cs takes care setting call back pointers to null. cs.p_data_cback = NULL; cs.p_report_cback = NULL; */ cs.nsc_mask = AVDT_NSC_RECONFIG | ((bta_avk_cb.features & BTA_AVK_FEAT_PROTECT) ? 0 : AVDT_NSC_SECURITY); APPL_TRACE_DEBUG("nsc_mask: 0x%x", cs.nsc_mask); if (p_data->api_reg.p_service_name[0] == 0) { p_service_name = NULL; } else { p_service_name = p_data->api_reg.p_service_name; } p_scb->suspend_sup = TRUE; p_scb->recfg_sup = TRUE; p_scb->skip_sdp = FALSE; cs.p_ctrl_cback = bta_avk_dt_cback[p_scb->hdi]; if(registr.chnl == BTA_AVK_CHNL_AUDIO) { /* set up the audio stream control block */ APPL_TRACE_EVENT("AV: set up the audio stream control block "); p_scb->p_act_tbl = (const tBTA_AVK_ACT *)bta_avk_a2d_action; p_scb->p_cos = &bta_avk_a2d_cos; p_scb->media_type= AVDT_MEDIA_AUDIO; cs.cfg.psc_mask = AVDT_PSC_TRANS; cs.media_type = AVDT_MEDIA_AUDIO; cs.mtu = p_bta_avk_cfg->audio_mtu; cs.flush_to = L2CAP_DEFAULT_FLUSH_TO; #if AVDT_REPORTING == TRUE if(bta_avk_cb.features & BTA_AVK_FEAT_REPORT) { cs.cfg.psc_mask |= AVDT_PSC_REPORT; cs.p_report_cback = bta_avk_a2dp_report_cback; #if AVDT_MULTIPLEXING == TRUE cs.cfg.mux_tsid_report = 2; #endif } #endif if(bta_avk_cb.features & BTA_AVK_FEAT_DELAY_RPT) { APPL_TRACE_DEBUG(" %s ~~ AVDTP v1.3 : cs.cfg.psc_mask |= AVDT_PSC_DELAY_RPT ",__func__); cs.cfg.psc_mask |= AVDT_PSC_DELAY_RPT; } if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK) { cs.tsep = AVDT_TSEP_SNK; p_scb->p_cos = &bta_avk_a2d_cos; cs.p_data_cback = bta_avk_stream_data_cback; startIndex = BTIF_SV_AVK_AA_SBC_INDEX; endIndex = BTIF_SV_AVK_AA_SEP_INDEX; } /* Initialize Handles to zero */ for(index = 0; index < (endIndex - startIndex); index++) { p_scb->seps[index].av_handle = 0; } /* keep the configuration in the stream control block */ memcpy(&p_scb->cfg, &cs.cfg, sizeof(tAVDT_CFG)); index = startIndex; while (index < endIndex && (p_scb->p_cos->init)(&codec_type, cs.cfg.codec_info, &cs.cfg.num_protect, cs.cfg.protect_info, index) == TRUE) { if(AVDT_CreateStream(&p_scb->seps[index - startIndex].av_handle, &cs) == AVDT_SUCCESS) { #if defined(APTX_CLASSIC_DECODER_INCLUDED) && (APTX_CLASSIC_DECODER_INCLUDED == TRUE) if (index == BTIF_SV_AVK_AA_APTX_INDEX) { UINT8* ptr = cs.cfg.codec_info; tA2D_APTX_CIE* codecInfo = (tA2D_APTX_CIE*) &ptr[3]; UINT8 vendorId = codecInfo->vendorId; UINT8 codecId = codecInfo->codecId; p_scb->seps[index - startIndex].vendorId = vendorId; p_scb->seps[index - startIndex].codecId = codecId; APPL_TRACE_DEBUG("%s audio[%x] vendorId: %x codecId: %x", __func__, index, p_scb->seps[index - startIndex].vendorId, p_scb->seps[index - startIndex].codecId); } #endif p_scb->seps[index - startIndex].codec_type = codec_type; p_scb->seps[index - startIndex].tsep = cs.tsep; if(cs.tsep == AVDT_TSEP_SNK) p_scb->seps[index - startIndex].p_app_data_cback = p_data->api_reg.p_app_data_cback; else p_scb->seps[index - startIndex].p_app_data_cback = NULL; /* In case of A2DP SOURCE we don't need a callback to handle media packets */ index++; } else break; } if(!bta_avk_cb.reg_audio) { /* Initialize Handles to 0 */ bta_avk_cb.sdp_a2d_handle = 0; #if (BTA_AV_SINK_INCLUDED == TRUE) bta_avk_cb.sdp_a2d_snk_handle = 0; #endif if (profile_initialized == UUID_SERVCLASS_AUDIO_SOURCE) { /* create the SDP records on the 1st audio channel */ bta_avk_cb.sdp_a2d_handle = SDP_CreateRecord(); A2D_AddRecord(UUID_SERVCLASS_AUDIO_SOURCE, p_service_name, NULL, A2D_SUPF_PLAYER, bta_avk_cb.sdp_a2d_handle); bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SOURCE); } else if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK) { #if (BTA_AV_SINK_INCLUDED == TRUE) bta_avk_cb.sdp_a2d_snk_handle = SDP_CreateRecord(); A2D_AddRecord(UUID_SERVCLASS_AUDIO_SINK, p_service_name, NULL, A2D_SUPF_PLAYER, bta_avk_cb.sdp_a2d_snk_handle); bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SINK); #endif } /* start listening when A2DP is registered */ if (bta_avk_cb.features & BTA_AVK_FEAT_RCTG) { bta_avk_rc_create(&bta_avk_cb, AVCT_ACP, p_scb->hdi, BTA_AVK_NUM_LINKS + 1); } /* if the AV and AVK are both supported, it cannot support the CT role */ if (bta_avk_cb.features & (BTA_AVK_FEAT_RCCT)) { APPL_TRACE_DEBUG("bta_avk_api_register : bta_avk_cb.features & (BTA_AVK_FEAT_RCCT)!~"); /* if TG is not supported, we need to register to AVCT now */ if ((bta_avk_cb.features & (BTA_AVK_FEAT_RCTG)) == 0) { #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) #if (BTA_AVK_WITH_AVCTP_AUTHORIZATION == TRUE) bta_ar_reg_avct(p_bta_avk_cfg->avrc_mtu, p_bta_avk_cfg->avrc_br_mtu, bta_avk_cb.sec_mask, BTA_ID_AVK); #else bta_ar_reg_avct(p_bta_avk_cfg->avrc_mtu, p_bta_avk_cfg->avrc_br_mtu, (UINT8)(bta_avk_cb.sec_mask & (~BTA_SEC_AUTHORIZE)), BTA_ID_AVK); #endif #endif bta_avk_rc_create(&bta_avk_cb, AVCT_ACP, 0, BTA_AVK_NUM_LINKS + 1); } #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) /* create an SDP record as AVRC CT. */ APPL_TRACE_DEBUG("bta_avk_api_register : bta_ar_reg_avrc1 %d !~", bta_avk_cb.features); bta_ar_reg_avrc(UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL, NULL, p_bta_avk_cfg->avrc_ct_cat, BTA_ID_AVK,(bta_avk_cb.features & BTA_AVK_FEAT_BROWSE), AVRC_REV_1_4); #endif } } bta_avk_cb.reg_audio |= BTA_AVK_HNDL_TO_MSK(p_scb->hdi); APPL_TRACE_DEBUG("reg_audio: 0x%x", bta_avk_cb.reg_audio); } else { bta_avk_cb.reg_video = BTA_AVK_HNDL_TO_MSK(p_scb->hdi); bta_avk_cb.sdp_vdp_handle = SDP_CreateRecord(); /* register the video channel */ /* no need to verify the function pointer here. it's verified prior */ (*p_bta_avk_cfg->p_reg)(&cs, p_service_name, p_scb); } } while (0); /* call callback with register event */ (*bta_avk_cb.p_cback)(BTA_AVK_REGISTER_EVT, (tBTA_AVK *)®istr); } /******************************************************************************* ** ** Function bta_avk_api_deregister ** ** Description de-register a channel ** ** ** Returns void ** *******************************************************************************/ void bta_avk_api_deregister(tBTA_AVK_DATA *p_data) { tBTA_AVK_SCB *p_scb = bta_avk_hndl_to_scb(p_data->hdr.layer_specific); // de-initialize aptX A2D_deinit_aptX(); if(p_scb) { p_scb->deregistring = TRUE; bta_avk_ssm_execute(p_scb, BTA_AVK_API_CLOSE_EVT, p_data); } else { bta_avk_dereg_comp(p_data); } } /******************************************************************************* ** ** Function bta_avk_ci_data ** ** Description forward the BTA_AVK_CI_SRC_DATA_READY_EVT to stream state machine ** ** ** Returns void ** *******************************************************************************/ static void bta_avk_ci_data(tBTA_AVK_DATA *p_data) { tBTA_AVK_SCB *p_scb; int i; UINT8 chnl = (UINT8)p_data->hdr.layer_specific; for( i=0; i < BTA_AVK_NUM_STRS; i++ ) { p_scb = bta_avk_cb.p_scb[i]; //Check if the Stream is in Started state before sending data //in Dual Handoff mode, get SCB where START is done. if(p_scb && (p_scb->chnl == chnl) && (p_scb->started)) { bta_avk_ssm_execute(p_scb, BTA_AVK_SRC_DATA_READY_EVT, p_data); } } } /******************************************************************************* ** ** Function bta_avk_rpc_conn ** ** Description report report channel open ** ** Returns void ** *******************************************************************************/ #if (AVDT_REPORTING == TRUE) static void bta_avk_rpc_conn(tBTA_AVK_DATA *p_data) { UNUSED(p_data); } #endif BOOLEAN bta_avk_multiple_streams_started(void) { int xx, stream_count = 0; for(xx = 0; xx < BTA_AVK_NUM_STRS; xx++) { if((bta_avk_cb.p_scb[xx] != NULL) && bta_avk_cb.p_scb[xx]->started == TRUE) { stream_count++; } } return (stream_count > 1); } /******************************************************************************* ** ** Function bta_avk_api_to_ssm ** ** Description forward the API request to stream state machine ** ** ** Returns void ** *******************************************************************************/ static void bta_avk_api_to_ssm(tBTA_AVK_DATA *p_data) { int xx; UINT16 event = p_data->hdr.event - BTA_AVK_FIRST_A2S_API_EVT + BTA_AVK_FIRST_A2S_SSM_EVT; /* Multicast: Corner case handling for multicast state getting * updated for ACL connected during the stream start where both * streams are not yet started. We need to take care of this * during suspend to ensure we suspend both streams. */ if ((is_multicast_enabled == TRUE) || ((event == BTA_AVK_AP_STOP_EVT) && (bta_avk_multiple_streams_started() == TRUE))) { /* Send START request to all Open Stream connections.*/ for(xx=0; xxhdr.layer_specific); bta_avk_ssm_execute(bta_avk_hndl_to_scb(p_data->hdr.layer_specific), event, p_data); } } /******************************************************************************* ** ** Function bta_avk_api_update_supp_codecs ** ** Description Update Avdtp supported codecs ** ** ** Returns void ** *******************************************************************************/ static void bta_avk_api_update_supp_codecs(tBTA_AVK_DATA *p_data) { APPL_TRACE_DEBUG("bta_avk_api_update_supp_codecs: num_codec_configs : %d", p_data->update_supp_codecs.num_codec_configs); avdt_scb_update_supported_codecs(p_data->update_supp_codecs.codec_type, p_data->update_supp_codecs.vnd_id, p_data->update_supp_codecs.codec_id, p_data->update_supp_codecs.num_codec_configs, p_data->update_supp_codecs.codec_info, AVDT_TSEP_SNK); } /******************************************************************************* ** ** Function bta_avk_api_enable_multicast ** ** Description Enable/Disable Avdtp multicast ** ** ** Returns void ** *******************************************************************************/ static void bta_avk_api_enable_multicast(tBTA_AVK_DATA *p_data) { is_multicast_enabled = p_data->multicast_state.is_multicast_enabled; APPL_TRACE_DEBUG("is_multicast_enabled :%d", is_multicast_enabled); } /******************************************************************************* ** ** Function bta_avk_chk_start ** ** Description if this is audio channel, check if more than one audio ** channel is connected & already started. ** ** Returns TRUE, if need api_start ** *******************************************************************************/ BOOLEAN bta_avk_chk_start(tBTA_AVK_SCB *p_scb) { BOOLEAN start = FALSE; tBTA_AVK_SCB *p_scbi; int i; APPL_TRACE_DEBUG("bta_avk_chk_start: Audio open count: 0x%x",bta_avk_cb.audio_open_cnt); if(p_scb->chnl == BTA_AVK_CHNL_AUDIO) { if ((bta_avk_cb.audio_open_cnt >= 2) && ((0 == (p_scb->role & BTA_AVK_ROLE_AD_ACP)) || /* Outgoing connection or */ (bta_avk_cb.features & BTA_AVK_FEAT_ACP_START))) /* auto-starting option */ { /* more than one audio channel is connected */ /* if this is the 2nd stream as ACP, give INT a chance to issue the START command */ for(i=0; ichnl == BTA_AVK_CHNL_AUDIO && p_scbi->co_started) { if (is_multicast_enabled == TRUE) { start = TRUE; } else { start = FALSE; APPL_TRACE_DEBUG("bta_avk_chk_start: Already playing"); break; } /* may need to update the flush timeout of this already started stream */ if(p_scbi->co_started != bta_avk_cb.audio_open_cnt) { p_scbi->co_started = bta_avk_cb.audio_open_cnt; L2CA_SetFlushTimeout(p_scbi->peer_addr, p_bta_avk_cfg->p_audio_flush_to[p_scbi->co_started - 1] ); } } } } } return start; } /******************************************************************************* ** ** Function bta_avk_restore_switch ** ** Description assume that the caller of this function already makes ** sure that there's only one ACL connection left ** ** Returns void ** *******************************************************************************/ void bta_avk_restore_switch (void) { tBTA_AVK_CB *p_cb = &bta_avk_cb; int i; UINT8 mask; APPL_TRACE_DEBUG("reg_audio: 0x%x",bta_avk_cb.reg_audio); for(i=0; iconn_audio == mask) { if (p_cb->p_scb[i]) { bta_sys_set_policy(BTA_ID_AVK, HCI_ENABLE_MASTER_SLAVE_SWITCH, p_cb->p_scb[i]->peer_addr); } break; } } } /******************************************************************************* ** ** Function bta_avk_sys_rs_cback ** ** Description Receives the role change event from dm ** ** Returns (BTA_SYS_ROLE_CHANGE, new_role, hci_status, p_bda) ** *******************************************************************************/ static void bta_avk_sys_rs_cback (tBTA_SYS_CONN_STATUS status,UINT8 id, UINT8 app_id, BD_ADDR peer_addr) { int i; tBTA_AVK_SCB *p_scb = NULL; tBTA_AVK_ROLE_RES *p_buf; UINT8 cur_role; UINT8 peer_idx = 0; UNUSED(status); APPL_TRACE_DEBUG("bta_avk_sys_rs_cback: %d", bta_avk_cb.rs_idx); for(i=0; ipeer_addr) == 0) && (p_buf = (tBTA_AVK_ROLE_RES *) osi_malloc(sizeof(tBTA_AVK_ROLE_RES))) != NULL) { APPL_TRACE_DEBUG("new_role:%d, hci_status:x%x hndl: x%x", id, app_id, p_scb->hndl); /* if ((id != BTM_ROLE_MASTER) && (app_id != HCI_SUCCESS)) { bta_sys_set_policy(BTA_ID_AV, (HCI_ENABLE_MASTER_SLAVE_SWITCH|HCI_ENABLE_SNIFF_MODE), p_scb->peer_addr); } */ p_buf->hdr.event = BTA_AVK_ROLE_CHANGE_EVT; p_buf->hdr.layer_specific = p_scb->hndl; p_buf->new_role = id; p_buf->hci_status = app_id; bta_sys_sendmsg(p_buf); peer_idx = p_scb->hdi + 1; /* Handle index for the peer_addr */ } } /* restore role switch policy, if role switch failed */ if ((HCI_SUCCESS != app_id) && (BTM_GetRole (peer_addr, &cur_role) == BTM_SUCCESS) && (cur_role == BTM_ROLE_SLAVE) ) { bta_sys_set_policy(BTA_ID_AVK, HCI_ENABLE_MASTER_SLAVE_SWITCH, peer_addr); } /* if BTA_AvkOpen() was called for other device, which caused the role switch of the peer_addr, */ /* we need to continue opening process for the BTA_AvkOpen(). */ if ((bta_avk_cb.rs_idx != 0) && (bta_avk_cb.rs_idx != peer_idx)) { if ((bta_avk_cb.rs_idx -1) < BTA_AVK_NUM_STRS) { p_scb = bta_avk_cb.p_scb[bta_avk_cb.rs_idx - 1]; } if (p_scb && p_scb->q_tag == BTA_AVK_Q_TAG_OPEN) { APPL_TRACE_DEBUG ("bta_avk_sys_rs_cback: rs_idx(%d), hndl:x%x q_tag: %d", bta_avk_cb.rs_idx, p_scb->hndl, p_scb->q_tag); /* Multicast: * As per Multicast feature implementation, fallback * happens to soft hand-off when DUT is in scatternet * scenario. Hence, don't fail the connection if * role switch fails because of remote disallowing. * Set switch_res to BTA_AVK_RS_DONE on failure. */ if(HCI_SUCCESS == app_id || HCI_ERR_NO_CONNECTION == app_id) p_scb->q_info.open.switch_res = BTA_AVK_RS_OK; else p_scb->q_info.open.switch_res = BTA_AVK_RS_DONE; /* Continue av open process */ bta_avk_do_disc_a2d (p_scb, (tBTA_AVK_DATA *)&(p_scb->q_info.open)); } bta_avk_cb.rs_idx = 0; } } /******************************************************************************* ** ** Function bta_avk_sco_chg_cback ** ** Description receive & process the SCO connection up/down event from sys. ** call setup also triggers this callback, to suspend av before sco ** activity happens, or to resume av once call ends. ** ** Returns void ** *******************************************************************************/ static void bta_avk_sco_chg_cback(tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8 app_id, BD_ADDR peer_addr) { tBTA_AVK_SCB *p_scb; int i; tBTA_AVK_API_STOP stop; UNUSED(app_id); UNUSED(peer_addr); APPL_TRACE_DEBUG("bta_avk_sco_chg_cback:%d status:%d", id, status); if(id) { bta_avk_cb.sco_occupied = TRUE; /* either BTA_SYS_SCO_OPEN or BTA_SYS_SCO_CLOSE with remaining active SCO */ for(i=0; ico_started && (p_scb->sco_suspend == FALSE)) { APPL_TRACE_DEBUG("suspending scb:%d", i); /* scb is used and started, not suspended automatically */ p_scb->sco_suspend = TRUE; stop.flush = FALSE; stop.suspend = TRUE; bta_avk_ssm_execute(p_scb, BTA_AVK_AP_STOP_EVT, (tBTA_AVK_DATA *)&stop); } } } else { bta_avk_cb.sco_occupied = FALSE; for(i=0; isco_suspend ) /* scb is used and suspended for SCO */ { APPL_TRACE_DEBUG("starting scb:%d", i); bta_avk_ssm_execute(p_scb, BTA_AVK_AP_START_EVT, NULL); } } } } /******************************************************************************* ** ** Function bta_avk_switch_if_needed ** ** Description This function checks if there is another existing AV ** channel that is local as slave role. ** If so, role switch and remove it from link policy. ** ** Returns TRUE, if role switch is done ** *******************************************************************************/ BOOLEAN bta_avk_switch_if_needed(tBTA_AVK_SCB *p_scb) { UINT8 role; BOOLEAN needed = FALSE; tBTA_AVK_SCB *p_scbi; tBTM_STATUS ret; int i; UINT8 mask; for(i=0; ihdi != i) && /* not the original channel */ ((bta_avk_cb.conn_audio & mask) ||/* connected audio */ (bta_avk_cb.conn_video & mask)) ) /* connected video */ { BTM_GetRole(p_scbi->peer_addr, &role); /* this channel is open - clear the role switch link policy for this link */ if(BTM_ROLE_MASTER != role) { if (bta_avk_cb.features & BTA_AVK_FEAT_MASTER) bta_sys_clear_policy(BTA_ID_AVK, HCI_ENABLE_MASTER_SLAVE_SWITCH, p_scbi->peer_addr); ret = BTM_SwitchRole(p_scbi->peer_addr, BTM_ROLE_MASTER, NULL); if (ret == BTM_REPEATED_ATTEMPTS) return FALSE; if (BTM_CMD_STARTED != ret) { /* can not switch role on SCBI * start the timer on SCB - because this function is ONLY called when SCB gets API_OPEN */ bta_sys_start_timer(p_scb->avrc_ct_timer, BTA_AVK_RS_TIME_VAL, BTA_AVK_AVRC_TIMER_EVT, p_scb->hndl); } needed = TRUE; /* mark the original channel as waiting for RS result */ bta_avk_cb.rs_idx = p_scb->hdi + 1; break; } } } return needed; } /******************************************************************************* ** ** Function bta_avk_link_role_ok ** ** Description This function checks if the SCB has existing ACL connection ** If so, check if the link role fits the requirements. ** ** Returns TRUE, if role is ok ** *******************************************************************************/ BOOLEAN bta_avk_link_role_ok(tBTA_AVK_SCB *p_scb, UINT8 bits) { UINT8 role; BOOLEAN is_ok = TRUE; tBTM_STATUS ret; if (BTM_GetRole(p_scb->peer_addr, &role) == BTM_SUCCESS) { LOG_INFO("%s hndl:x%x role:%d conn_audio:x%x bits:%d features:x%x", __func__, p_scb->hndl, role, bta_avk_cb.conn_audio, bits, bta_avk_cb.features); if (BTM_ROLE_MASTER != role && (A2D_BitsSet(bta_avk_cb.conn_audio) > bits || (bta_avk_cb.features & BTA_AVK_FEAT_MASTER))) { if (bta_avk_cb.features & BTA_AVK_FEAT_MASTER) bta_sys_clear_policy(BTA_ID_AVK, HCI_ENABLE_MASTER_SLAVE_SWITCH, p_scb->peer_addr); ret = BTM_SwitchRole(p_scb->peer_addr, BTM_ROLE_MASTER, NULL); /* We have already reached maximum attempts, * If we try again it will anyways fail * return from here * */ if (ret == BTM_REPEATED_ATTEMPTS) return TRUE; if (BTM_CMD_STARTED != ret) { /* can not switch role on SCB - start the timer on SCB */ } is_ok = FALSE; p_scb->wait |= BTA_AVK_WAIT_ROLE_SW_RES_START; } } return is_ok; } /******************************************************************************* ** ** Function bta_avk_chk_mtu ** ** Description if this is audio channel, check if more than one audio ** channel is connected. ** ** Returns The smallest mtu of the connected audio channels ** *******************************************************************************/ UINT16 bta_avk_chk_mtu(tBTA_AVK_SCB *p_scb, UINT16 mtu) { UINT16 ret_mtu = BTA_AVK_MAX_A2DP_MTU; tBTA_AVK_SCB *p_scbi; int i; UINT8 mask; UNUSED(mtu); /* TODO_MV mess with the mtu according to the number of EDR/non-EDR headsets */ if(p_scb->chnl == BTA_AVK_CHNL_AUDIO) { if(bta_avk_cb.audio_open_cnt >= 2) { /* more than one audio channel is connected */ for(i=0; ichnl == BTA_AVK_CHNL_AUDIO) ) { mask = BTA_AVK_HNDL_TO_MSK(i); APPL_TRACE_DEBUG("[%d] mtu: %d, mask:0x%x", i, p_scbi->stream_mtu, mask); if(bta_avk_cb.conn_audio & mask) { if(ret_mtu > p_scbi->stream_mtu) ret_mtu = p_scbi->stream_mtu; } } } } APPL_TRACE_DEBUG("bta_avk_chk_mtu audio count:%d, conn_audio:0x%x, ret:%d", bta_avk_cb.audio_open_cnt, bta_avk_cb.conn_audio, ret_mtu); } return ret_mtu; } /******************************************************************************* ** ** Function bta_avk_dup_audio_buf ** ** Description dup the audio data to the q_info.a2d of other audio channels ** ** Returns void ** *******************************************************************************/ void bta_avk_dup_audio_buf(tBTA_AVK_SCB *p_scb, BT_HDR *p_buf) { tBTA_AVK_SCB *p_scbi; int i; UINT16 size, copy_size; BT_HDR *p_new; if(!p_buf) return; if(bta_avk_cb.audio_open_cnt >= 2) { copy_size = BT_HDR_SIZE + p_buf->len + p_buf->offset; /* more than one audio channel is connected */ for(i=0; ihdi != i) && /* not the original channel */ (bta_avk_cb.conn_audio & BTA_AVK_HNDL_TO_MSK(i)) && /* connected audio */ p_scbi && p_scbi->co_started ) /* scb is used and started */ { /* enqueue the data only when the stream is started */ p_new = (BT_HDR *)osi_malloc(copy_size); if(p_new) { memcpy(p_new, p_buf, copy_size); list_append(p_scbi->a2d_list, p_new); if (list_length(p_scbi->a2d_list) > p_bta_avk_cfg->audio_mqs) { // Drop the oldest packet BT_HDR *p_buf = list_front(p_scbi->a2d_list); list_remove(p_scbi->a2d_list, p_buf); osi_free(p_buf); } } } } } } /******************************************************************************* ** ** Function bta_avk_sm_execute ** ** Description State machine event handling function for AV ** ** ** Returns void ** *******************************************************************************/ void bta_avk_sm_execute(tBTA_AVK_CB *p_cb, UINT16 event, tBTA_AVK_DATA *p_data) { tBTA_AVK_ST_TBL state_table; UINT8 action; #if (defined(BTA_AVK_DEBUG) && BTA_AVK_DEBUG == TRUE) APPL_TRACE_EVENT("AVK event=0x%x(%s) state=%d(%s)", event, bta_avk_evt_code(event), p_cb->state, bta_avk_st_code(p_cb->state)); #else APPL_TRACE_EVENT("AVK event=0x%x state=%d", event, p_cb->state); #endif /* look up the state table for the current state */ state_table = bta_avk_st_tbl[p_cb->state]; event &= 0x00FF; /* set next state */ p_cb->state = state_table[event][BTA_AVK_NEXT_STATE]; APPL_TRACE_EVENT("next state=%d", p_cb->state); /* execute action functions */ if ((action = state_table[event][BTA_AVK_ACTION_COL]) != BTA_AVK_IGNORE) { (*bta_avk_action[action])(p_cb, p_data); } } /******************************************************************************* ** ** Function bta_avk_hdl_event ** ** Description Advanced audio/video main event handling function. ** ** ** Returns BOOLEAN ** *******************************************************************************/ BOOLEAN bta_avk_hdl_event(BT_HDR *p_msg) { UINT16 event = p_msg->event; UINT16 first_event = BTA_AVK_FIRST_NSM_EVT; APPL_TRACE_VERBOSE("bta_avk_hdl_event handle=0x%x", p_msg->layer_specific); if (event > BTA_AVK_LAST_EVT) { return TRUE; /* to free p_msg */ } if(event >= first_event) { #if (defined(BTA_AVK_DEBUG) && BTA_AVK_DEBUG == TRUE) APPL_TRACE_VERBOSE("AVK nsm event=0x%x(%s)", event, bta_avk_evt_code(event)); #else APPL_TRACE_VERBOSE("AVK nsm event=0x%x", event); #endif /* non state machine events */ (*bta_avk_nsm_act[event - BTA_AVK_FIRST_NSM_EVT]) ((tBTA_AVK_DATA *) p_msg); } else if (event >= BTA_AVK_FIRST_SM_EVT && event <= BTA_AVK_LAST_SM_EVT) { #if (defined(BTA_AVK_DEBUG) && BTA_AVK_DEBUG == TRUE) APPL_TRACE_VERBOSE("AVK sm event=0x%x(%s)", event, bta_avk_evt_code(event)); #else APPL_TRACE_VERBOSE("AVK sm event=0x%x", event); #endif /* state machine events */ bta_avk_sm_execute(&bta_avk_cb, p_msg->event, (tBTA_AVK_DATA *) p_msg); } else { APPL_TRACE_VERBOSE("avk : handle=0x%x", p_msg->layer_specific); /* stream state machine events */ bta_avk_ssm_execute( bta_avk_hndl_to_scb(p_msg->layer_specific), p_msg->event, (tBTA_AVK_DATA *) p_msg); } return TRUE; } /******************************************************************************* ** ** Function bta_avk_is_multicast_enabled ** ** Description return status of Avdtp multicast ** ** ** Returns BOOLEAN ** *******************************************************************************/ BOOLEAN bta_avk_is_multicast_enabled() { return is_multicast_enabled; } /***************************************************************************** ** Debug Functions *****************************************************************************/ #if (defined(BTA_AVK_DEBUG) && BTA_AVK_DEBUG == TRUE) /******************************************************************************* ** ** Function bta_avk_st_code ** ** Description ** ** Returns char * ** *******************************************************************************/ static char *bta_avk_st_code(UINT8 state) { switch(state) { case BTA_AVK_INIT_ST: return "INIT"; case BTA_AVK_OPEN_ST: return "OPEN"; default: return "unknown"; } } /******************************************************************************* ** ** Function bta_avk_evt_code ** ** Description ** ** Returns char * ** *******************************************************************************/ char *bta_avk_evt_code(UINT16 evt_code) { switch(evt_code) { case BTA_AVK_API_DISABLE_EVT: return "API_DISABLE"; case BTA_AVK_API_REMOTE_CMD_EVT: return "API_REMOTE_CMD"; case BTA_AVK_API_VENDOR_CMD_EVT: return "API_VENDOR_CMD"; case BTA_AVK_API_VENDOR_RSP_EVT: return "API_VENDOR_RSP"; case BTA_AVK_API_META_RSP_EVT: return "API_META_RSP_EVT"; case BTA_AVK_API_RC_CLOSE_EVT: return "API_RC_CLOSE"; case BTA_AVK_AVRC_OPEN_EVT: return "AVRC_OPEN"; case BTA_AVK_AVRC_MSG_EVT: return "AVRC_MSG"; case BTA_AVK_AVRC_NONE_EVT: return "AVRC_NONE"; case BTA_AVK_API_OPEN_EVT: return "API_OPEN"; case BTA_AVK_API_CLOSE_EVT: return "API_CLOSE"; case BTA_AVK_AP_START_EVT: return "AP_START"; case BTA_AVK_AP_STOP_EVT: return "AP_STOP"; case BTA_AVK_API_RECONFIG_EVT: return "API_RECONFIG"; case BTA_AVK_API_PROTECT_REQ_EVT: return "API_PROTECT_REQ"; case BTA_AVK_API_PROTECT_RSP_EVT: return "API_PROTECT_RSP"; case BTA_AVK_API_RC_OPEN_EVT: return "API_RC_OPEN"; case BTA_AVK_SRC_DATA_READY_EVT: return "SRC_DATA_READY"; case BTA_AVK_CI_SETCONFIG_OK_EVT: return "CI_SETCONFIG_OK"; case BTA_AVK_CI_SETCONFIG_FAIL_EVT: return "CI_SETCONFIG_FAIL"; case BTA_AVK_SDP_DISC_OK_EVT: return "SDP_DISC_OK"; case BTA_AVK_SDP_DISC_FAIL_EVT: return "SDP_DISC_FAIL"; case BTA_AVK_STR_DISC_OK_EVT: return "STR_DISC_OK"; case BTA_AVK_STR_DISC_FAIL_EVT: return "STR_DISC_FAIL"; case BTA_AVK_STR_GETCAP_OK_EVT: return "STR_GETCAP_OK"; case BTA_AVK_STR_GETCAP_FAIL_EVT: return "STR_GETCAP_FAIL"; case BTA_AVK_STR_OPEN_OK_EVT: return "STR_OPEN_OK"; case BTA_AVK_STR_OPEN_FAIL_EVT: return "STR_OPEN_FAIL"; case BTA_AVK_STR_START_OK_EVT: return "STR_START_OK"; case BTA_AVK_STR_START_FAIL_EVT: return "STR_START_FAIL"; case BTA_AVK_STR_CLOSE_EVT: return "STR_CLOSE"; case BTA_AVK_STR_CONFIG_IND_EVT: return "STR_CONFIG_IND"; case BTA_AVK_STR_SECURITY_IND_EVT: return "STR_SECURITY_IND"; case BTA_AVK_STR_SECURITY_CFM_EVT: return "STR_SECURITY_CFM"; case BTA_AVK_STR_WRITE_CFM_EVT: return "STR_WRITE_CFM"; case BTA_AVK_STR_SUSPEND_CFM_EVT: return "STR_SUSPEND_CFM"; case BTA_AVK_STR_RECONFIG_CFM_EVT: return "STR_RECONFIG_CFM"; case BTA_AVK_AVRC_TIMER_EVT: return "AVRC_TIMER"; case BTA_AVK_AVDT_CONNECT_EVT: return "AVDT_CONNECT"; case BTA_AVK_AVDT_DISCONNECT_EVT: return "AVDT_DISCONNECT"; case BTA_AVK_ROLE_CHANGE_EVT: return "ROLE_CHANGE"; case BTA_AVK_AVDT_DELAY_RPT_EVT: return "AVDT_DELAY_RPT"; case BTA_AVK_ACP_CONNECT_EVT: return "ACP_CONNECT"; case BTA_AVK_API_ENABLE_EVT: return "API_ENABLE"; case BTA_AVK_API_REGISTER_EVT: return "API_REG"; case BTA_AVK_API_DEREGISTER_EVT: return "API_DEREG"; case BTA_AVK_API_DISCONNECT_EVT: return "API_DISCNT"; case BTA_AVK_CI_SRC_DATA_READY_EVT: return "CI_DATA_READY"; case BTA_AVK_SIG_CHG_EVT: return "SIG_CHG"; case BTA_AVK_SIG_TIMER_EVT: return "SIG_TMR"; case BTA_AVK_SDP_AVRC_DISC_EVT: return "SDP_AVRC_DISC"; case BTA_AVK_AVRC_CLOSE_EVT: return "AVRC_CLOSE"; case BTA_AVK_CONN_CHG_EVT: return "CONN_CHG"; case BTA_AVK_DEREG_COMP_EVT: return "DEREG_COMP"; #if (BTA_AV_SINK_INCLUDED == TRUE) case BTA_AVK_API_SINK_ENABLE_EVT: return "SINK_ENABLE"; #endif #if (AVDT_REPORTING == TRUE) case BTA_AVK_AVDT_RPT_CONN_EVT: return "RPT_CONN"; #endif case BTA_AVK_API_START_EVT: return "API_START"; case BTA_AVK_API_STOP_EVT: return "API_STOP"; case BTA_AVK_ENABLE_MULTICAST_EVT: return "MULTICAST_ENABLE"; case BTA_AVK_UPDATE_SUPP_CODECS: return "UPDATE_SUPPORTED_CODECS"; default: return "unknown"; } } #endif #endif /* BTA_AV_INCLUDED */