diff options
Diffstat (limited to 'bta/av/bta_av_main.c')
| -rw-r--r-- | bta/av/bta_av_main.c | 1323 |
1 files changed, 1323 insertions, 0 deletions
diff --git a/bta/av/bta_av_main.c b/bta/av/bta_av_main.c new file mode 100644 index 0000000..085362d --- /dev/null +++ b/bta/av/bta_av_main.c @@ -0,0 +1,1323 @@ +/****************************************************************************** + * + * 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 "bt_target.h" +#if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE) + +#include <string.h> +#include "bta_av_int.h" +#include "utl.h" +#include "bd.h" +#include "l2c_api.h" +#include "l2cdefs.h" +#include "bta_av_co.h" +#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) +#include "bta_ar_api.h" +#endif + +/***************************************************************************** +** Constants and types +*****************************************************************************/ + +/* AVDTP protocol timeout values */ +#ifndef BTA_AV_RET_TOUT +#define BTA_AV_RET_TOUT 4 +#endif + +#ifndef BTA_AV_SIG_TOUT +#define BTA_AV_SIG_TOUT 4 +#endif + +#ifndef BTA_AV_IDLE_TOUT +#define BTA_AV_IDLE_TOUT 10 +#endif + +/* the delay time in milliseconds to retry role switch */ +#ifndef BTA_AV_RS_TIME_VAL +#define BTA_AV_RS_TIME_VAL 1000 +#endif + +/* state machine states */ +enum +{ + BTA_AV_INIT_ST, + BTA_AV_OPEN_ST +}; + +/* state machine action enumeration list */ +enum +{ + BTA_AV_DISABLE, + BTA_AV_RC_OPENED, + BTA_AV_RC_REMOTE_CMD, + BTA_AV_RC_VENDOR_CMD, + BTA_AV_RC_VENDOR_RSP, + BTA_AV_RC_FREE_RSP, + BTA_AV_RC_FREE_MSG, + BTA_AV_RC_META_RSP, + BTA_AV_RC_MSG, + BTA_AV_RC_CLOSE, + BTA_AV_NUM_ACTIONS +}; + +#define BTA_AV_IGNORE BTA_AV_NUM_ACTIONS + +/* type for action functions */ +typedef void (*tBTA_AV_ACTION)(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data); + +/* action functions */ +const tBTA_AV_ACTION bta_av_action[] = +{ + bta_av_disable, + bta_av_rc_opened, + bta_av_rc_remote_cmd, + bta_av_rc_vendor_cmd, + bta_av_rc_vendor_rsp, + bta_av_rc_free_rsp, + bta_av_rc_free_msg, + bta_av_rc_meta_rsp, + bta_av_rc_msg, + bta_av_rc_close, + NULL +}; + +/* state table information */ +#define BTA_AV_ACTION_COL 0 /* position of actions */ +#define BTA_AV_NEXT_STATE 1 /* position of next state */ +#define BTA_AV_NUM_COLS 2 /* number of columns in state tables */ + +/* state table for init state */ +static const UINT8 bta_av_st_init[][BTA_AV_NUM_COLS] = +{ +/* Event Action 1 Next state */ +/* API_DISABLE_EVT */ {BTA_AV_DISABLE, BTA_AV_INIT_ST }, +/* API_REMOTE_CMD_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST }, +/* API_VENDOR_CMD_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST }, +/* API_VENDOR_RSP_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST }, +/* API_META_RSP_EVT */ {BTA_AV_RC_FREE_RSP, BTA_AV_INIT_ST }, +/* API_RC_CLOSE_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST }, +/* AVRC_OPEN_EVT */ {BTA_AV_RC_OPENED, BTA_AV_OPEN_ST }, +/* AVRC_MSG_EVT */ {BTA_AV_RC_FREE_MSG, BTA_AV_INIT_ST }, +/* AVRC_NONE_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST }, +}; + +/* state table for open state */ +static const UINT8 bta_av_st_open[][BTA_AV_NUM_COLS] = +{ +/* Event Action 1 Next state */ +/* API_DISABLE_EVT */ {BTA_AV_DISABLE, BTA_AV_INIT_ST }, +/* API_REMOTE_CMD_EVT */ {BTA_AV_RC_REMOTE_CMD, BTA_AV_OPEN_ST }, +/* API_VENDOR_CMD_EVT */ {BTA_AV_RC_VENDOR_CMD, BTA_AV_OPEN_ST }, +/* API_VENDOR_RSP_EVT */ {BTA_AV_RC_VENDOR_RSP, BTA_AV_OPEN_ST }, +/* API_META_RSP_EVT */ {BTA_AV_RC_META_RSP, BTA_AV_OPEN_ST }, +/* API_RC_CLOSE_EVT */ {BTA_AV_RC_CLOSE, BTA_AV_OPEN_ST }, +/* AVRC_OPEN_EVT */ {BTA_AV_RC_OPENED, BTA_AV_OPEN_ST }, +/* AVRC_MSG_EVT */ {BTA_AV_RC_MSG, BTA_AV_OPEN_ST }, +/* AVRC_NONE_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST }, +}; + +/* type for state table */ +typedef const UINT8 (*tBTA_AV_ST_TBL)[BTA_AV_NUM_COLS]; + +/* state table */ +static const tBTA_AV_ST_TBL bta_av_st_tbl[] = +{ + bta_av_st_init, + bta_av_st_open +}; + +typedef void (*tBTA_AV_NSM_ACT)(tBTA_AV_DATA *p_data); +static void bta_av_api_enable(tBTA_AV_DATA *p_data); +static void bta_av_api_register(tBTA_AV_DATA *p_data); +static void bta_av_ci_data(tBTA_AV_DATA *p_data); +#if (AVDT_REPORTING == TRUE) +static void bta_av_rpc_conn(tBTA_AV_DATA *p_data); +#endif +static void bta_av_api_to_ssm(tBTA_AV_DATA *p_data); + +static void bta_av_sco_chg_cback(tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8 + app_id, BD_ADDR peer_addr); +static void bta_av_sys_rs_cback (tBTA_SYS_CONN_STATUS status,UINT8 id, UINT8 app_id, BD_ADDR peer_addr); + + +/* action functions */ +const tBTA_AV_NSM_ACT bta_av_nsm_act[] = +{ + bta_av_api_enable, /* BTA_AV_API_ENABLE_EVT */ + bta_av_api_register, /* BTA_AV_API_REGISTER_EVT */ + bta_av_api_deregister, /* BTA_AV_API_DEREGISTER_EVT */ + bta_av_api_disconnect, /* BTA_AV_API_DISCONNECT_EVT */ + bta_av_ci_data, /* BTA_AV_CI_SRC_DATA_READY_EVT */ + bta_av_sig_chg, /* BTA_AV_SIG_CHG_EVT */ + bta_av_sig_timer, /* BTA_AV_SIG_TIMER_EVT */ + bta_av_rc_disc_done, /* BTA_AV_SDP_AVRC_DISC_EVT */ + bta_av_rc_closed, /* BTA_AV_AVRC_CLOSE_EVT */ + bta_av_conn_chg, /* BTA_AV_CONN_CHG_EVT */ + bta_av_dereg_comp, /* BTA_AV_DEREG_COMP_EVT */ +#if (AVDT_REPORTING == TRUE) + bta_av_rpc_conn, /* BTA_AV_AVDT_RPT_CONN_EVT */ +#endif + bta_av_api_to_ssm, /* BTA_AV_API_START_EVT */ + bta_av_api_to_ssm, /* BTA_AV_API_STOP_EVT */ +}; + +/***************************************************************************** +** Global data +*****************************************************************************/ + +/* AV control block */ +#if BTA_DYNAMIC_MEMORY == FALSE +tBTA_AV_CB bta_av_cb; +#endif + +#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE) +static char *bta_av_st_code(UINT8 state); +#endif + +/******************************************************************************* +** +** Function bta_av_timer_cback +** +** Description forward the event to stream state machine +** +** Returns void +** +*******************************************************************************/ +static void bta_av_timer_cback(void *p_tle) +{ + BT_HDR *p_buf; + TIMER_LIST_ENT *p = (TIMER_LIST_ENT *)p_tle; + int xx; + tBTA_AV_SCB *p_scb = NULL; + + /* find the SCB that has the timer */ + for(xx=0; xx<BTA_AV_NUM_STRS; xx++) + { + if(bta_av_cb.p_scb[xx] && &(bta_av_cb.p_scb[xx]->timer)== p) + { + p_scb = bta_av_cb.p_scb[xx]; + break; + } + } + + if (p_scb && (p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + /* send the event through the audio state machine. + * only when the audio SM is open, the main SM opens the RC connection as INT */ + p_buf->event = p->event; + p_buf->layer_specific = p_scb->hndl; + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function bta_av_api_enable +** +** Description Handle an API enable event. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_av_api_enable(tBTA_AV_DATA *p_data) +{ + int i; + tBTA_AV_ENABLE enable; + + /* initialize control block */ + memset(&bta_av_cb, 0, sizeof(tBTA_AV_CB)); + + for(i=0; i<BTA_AV_NUM_RCB; i++) + bta_av_cb.rcb[i].handle = BTA_AV_RC_HANDLE_NONE; + + bta_av_cb.rc_acp_handle = BTA_AV_RC_HANDLE_NONE; + + /* store parameters */ + bta_av_cb.p_cback = p_data->api_enable.p_cback; + bta_av_cb.features = p_data->api_enable.features; + bta_av_cb.sec_mask = p_data->api_enable.sec_mask; + + enable.features = bta_av_cb.features; + + /* Register for SCO change event */ + if (!(bta_av_cb.features & BTA_AV_FEAT_NO_SCO_SSPD)) + { + bta_sys_sco_register(bta_av_sco_chg_cback); + } + + /* call callback with enable event */ + (*bta_av_cb.p_cback)(BTA_AV_ENABLE_EVT, (tBTA_AV *)&enable); +} + +/******************************************************************************* +** +** Function bta_av_addr_to_scb +** +** Description find the stream control block by the peer addr +** +** Returns void +** +*******************************************************************************/ +static tBTA_AV_SCB * bta_av_addr_to_scb(BD_ADDR bd_addr) +{ + tBTA_AV_SCB * p_scb = NULL; + int xx; + + for(xx=0; xx<BTA_AV_NUM_STRS; xx++) + { + if(bta_av_cb.p_scb[xx]) + { + if(!bdcmp(bd_addr, bta_av_cb.p_scb[xx]->peer_addr)) + { + p_scb = bta_av_cb.p_scb[xx]; + break; + } + } + } + return p_scb; +} + +/******************************************************************************* +** +** Function bta_av_hndl_to_scb +** +** Description find the stream control block by the handle +** +** Returns void +** +*******************************************************************************/ +tBTA_AV_SCB * bta_av_hndl_to_scb(UINT16 handle) +{ + tBTA_AV_HNDL hndl = (tBTA_AV_HNDL)handle; + tBTA_AV_SCB * p_scb = NULL; + UINT8 idx = (hndl & BTA_AV_HNDL_MSK); + + if(idx && (idx <= BTA_AV_NUM_STRS) ) + { + p_scb = bta_av_cb.p_scb[idx-1]; + } + return p_scb; +} + +/******************************************************************************* +** +** Function bta_av_alloc_scb +** +** Description allocate stream control block, +** register the service to stack +** create SDP record +** +** Returns void +** +*******************************************************************************/ +static tBTA_AV_SCB * bta_av_alloc_scb(tBTA_AV_CHNL chnl) +{ + tBTA_AV_SCB *p_ret = NULL; + int xx; + tBTA_AV_STATUS sts = BTA_AV_SUCCESS; + + if(chnl == BTA_AV_CHNL_VIDEO) + { + if(p_bta_av_cfg->p_act_tbl == NULL || p_bta_av_cfg->p_reg == NULL) + { + APPL_TRACE_ERROR0("Video streaming not supported"); + sts = BTA_AV_FAIL; + } + else + { + /* allow only one Video channel */ + if(bta_av_cb.reg_video) + { + APPL_TRACE_ERROR0("Already registered"); + sts = BTA_AV_FAIL; + } + } + } + else if(chnl != BTA_AV_CHNL_AUDIO) + { + APPL_TRACE_ERROR1("bad channel: %d", chnl); + sts = BTA_AV_FAIL; + } + + if(sts == BTA_AV_SUCCESS) + { + for(xx=0; xx<BTA_AV_NUM_STRS; xx++) + { + if(bta_av_cb.p_scb[xx] == NULL) + { + /* found an empty spot */ + p_ret = (tBTA_AV_SCB *)GKI_getbuf(sizeof(tBTA_AV_SCB)); + if(p_ret) + { + memset(p_ret, 0, sizeof(tBTA_AV_SCB)); + p_ret->rc_handle = BTA_AV_RC_HANDLE_NONE; + p_ret->chnl = chnl; + p_ret->hndl = (tBTA_AV_HNDL)((xx + 1) | chnl); + p_ret->hdi = xx; + bta_av_cb.p_scb[xx] = p_ret; + } + break; + } + } + } + return p_ret; +} + +/******************************************************************************* +*******************************************************************************/ +void bta_av_conn_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) +{ + tBTA_AV_STR_MSG *p_msg; + UINT16 evt = 0; + tBTA_AV_SCB *p_scb = NULL; + +#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_AV_SIG_CHG_EVT; + if(AVDT_DISCONNECT_IND_EVT == event) + p_scb = bta_av_addr_to_scb(bd_addr); +#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE) + else if (AVDT_CONNECT_IND_EVT == event) + { + APPL_TRACE_DEBUG1("CONN_IND is ACP:%d", p_data->hdr.err_param); + } +#endif + + if (/*((p_scb && (p_scb->role & BTA_AV_ROLE_AD_ACP)) || + + //(AVDT_CONNECT_IND_EVT == event && AVDT_ACP == p_data->hdr.err_param)) + + (AVDT_CONNECT_IND_EVT == event))&& */ + (p_msg = (tBTA_AV_STR_MSG *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_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_AV_DEBUG) && BTA_AV_DEBUG == TRUE) + if(p_scb) + { + APPL_TRACE_DEBUG2("scb hndl x%x, role x%x", p_scb->hndl, p_scb->role); + } +#endif + APPL_TRACE_DEBUG6("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); + } + } + +} + +#if AVDT_REPORTING == TRUE +/******************************************************************************* +** +** Function bta_av_a2dp_report_cback +** +** Description A2DP report callback. +** +** Returns void +** +*******************************************************************************/ +static void bta_av_a2dp_report_cback(UINT8 handle, AVDT_REPORT_TYPE type, + tAVDT_REPORT_DATA *p_data) +{ + /* Do not need to handle report data for now. + * This empty function is here for conformance reasons. */ +} +#endif + +/******************************************************************************* +** +** Function bta_av_api_register +** +** Description allocate stream control block, +** register the service to stack +** create SDP record +** +** Returns void +** +*******************************************************************************/ +static void bta_av_api_register(tBTA_AV_DATA *p_data) +{ + tBTA_AV_REGISTER registr; + tBTA_AV_SCB *p_scb; /* stream control block */ + tAVDT_REG reg; + tAVDT_CS cs; + char *p_service_name; + tBTA_AV_CODEC codec_type; + tBTA_UTL_COD cod; + UINT8 index = 0; + + memset(&cs,0,sizeof(tAVDT_CS)); + + registr.status = BTA_AV_FAIL_RESOURCES; + registr.app_id = p_data->api_reg.app_id; + registr.chnl = (tBTA_AV_CHNL)p_data->hdr.layer_specific; + do + { + p_scb = bta_av_alloc_scb(registr.chnl); + if(p_scb == NULL) + { + APPL_TRACE_ERROR0("failed to alloc SCB"); + break; + } + + registr.hndl = p_scb->hndl; + p_scb->app_id = registr.app_id; + + /* initialize the stream control block */ + p_scb->timer.p_cback = (TIMER_CBACK*)&bta_av_timer_cback; + registr.status = BTA_AV_SUCCESS; + + if((bta_av_cb.reg_audio + bta_av_cb.reg_video) == 0) + { + /* the first channel registered. register to AVDTP */ + reg.ctrl_mtu = p_bta_av_cfg->sig_mtu; + reg.ret_tout = BTA_AV_RET_TOUT; + reg.sig_tout = BTA_AV_SIG_TOUT; + reg.idle_tout = BTA_AV_IDLE_TOUT; + reg.sec_mask = bta_av_cb.sec_mask; +#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) + bta_ar_reg_avdt(®, bta_av_conn_cback, BTA_ID_AV); +#endif + bta_sys_role_chg_register(&bta_av_sys_rs_cback); + + /* create remote control TG service if required */ + if (bta_av_cb.features & (BTA_AV_FEAT_RCTG)) + { + /* register with no authorization; let AVDTP use authorization instead */ +#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) +#if (BTA_AV_WITH_AVCTP_AUTHORIZATION == TRUE) + bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu, + bta_av_cb.sec_mask, BTA_ID_AV); +#else + bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu, + (UINT8)(bta_av_cb.sec_mask & (~BTA_SEC_AUTHORIZE)), BTA_ID_AV); +#endif + + bta_ar_reg_avrc(UUID_SERVCLASS_AV_REM_CTRL_TARGET, "AV Remote Control Target", NULL, + p_bta_av_cfg->avrc_tg_cat, BTA_ID_AV); +#endif + } + + /* Set the Capturing service class bit */ + cod.service = BTM_COD_SERVICE_CAPTURING; + 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; + cs.tsep = AVDT_TSEP_SRC; + + /* + * 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_av_cb.features & BTA_AV_FEAT_PROTECT) ? 0 : AVDT_NSC_SECURITY); + APPL_TRACE_DEBUG1("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; + + cs.p_ctrl_cback = bta_av_dt_cback[p_scb->hdi]; + if(registr.chnl == BTA_AV_CHNL_AUDIO) + { + /* set up the audio stream control block */ + p_scb->p_act_tbl = (const tBTA_AV_ACT *)bta_av_a2d_action; + p_scb->p_cos = &bta_av_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_av_cfg->audio_mtu; + cs.flush_to = L2CAP_DEFAULT_FLUSH_TO; +#if AVDT_REPORTING == TRUE + if(bta_av_cb.features & BTA_AV_FEAT_REPORT) + { + cs.cfg.psc_mask |= AVDT_PSC_REPORT; + cs.p_report_cback = bta_av_a2dp_report_cback; +#if AVDT_MULTIPLEXING == TRUE + cs.cfg.mux_tsid_report = 2; +#endif + } +#endif + if(bta_av_cb.features & BTA_AV_FEAT_DELAY_RPT) + cs.cfg.psc_mask |= AVDT_PSC_DELAY_RPT; + + /* keep the configuration in the stream control block */ + memcpy(&p_scb->cfg, &cs.cfg, sizeof(tAVDT_CFG)); + while(index < BTA_AV_MAX_SEPS && + (*bta_av_a2d_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].av_handle, &cs) == AVDT_SUCCESS) + { + p_scb->seps[index].codec_type = codec_type; + APPL_TRACE_DEBUG3("audio[%d] av_handle: %d codec_type: %d", + index, p_scb->seps[index].av_handle, p_scb->seps[index].codec_type); + index++; + } + else + break; + } + + if(!bta_av_cb.reg_audio) + { + /* create the SDP records on the 1st audio channel */ + bta_av_cb.sdp_a2d_handle = SDP_CreateRecord(); + A2D_AddRecord(UUID_SERVCLASS_AUDIO_SOURCE, p_service_name, NULL, + A2D_SUPF_PLAYER, bta_av_cb.sdp_a2d_handle); + bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SOURCE); + + /* start listening when A2DP is registered */ + if (bta_av_cb.features & BTA_AV_FEAT_RCTG) + bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1); + + /* if the AV and AVK are both supported, it cannot support the CT role */ + if (bta_av_cb.features & (BTA_AV_FEAT_RCCT)) + { + /* if TG is not supported, we need to register to AVCT now */ + if ((bta_av_cb.features & (BTA_AV_FEAT_RCTG)) == 0) + { +#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) +#if (BTA_AV_WITH_AVCTP_AUTHORIZATION == TRUE) + bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu, + bta_av_cb.sec_mask, BTA_ID_AV); +#else + bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu, + (UINT8)(bta_av_cb.sec_mask & (~BTA_SEC_AUTHORIZE)), BTA_ID_AV); +#endif +#endif + } +#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) + /* create an SDP record as AVRC CT. */ + bta_ar_reg_avrc(UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL, NULL, + p_bta_av_cfg->avrc_ct_cat, BTA_ID_AV); +#endif + } + } + bta_av_cb.reg_audio |= BTA_AV_HNDL_TO_MSK(p_scb->hdi); + APPL_TRACE_DEBUG1("reg_audio: 0x%x",bta_av_cb.reg_audio); + } + else + { + bta_av_cb.reg_video = BTA_AV_HNDL_TO_MSK(p_scb->hdi); + bta_av_cb.sdp_vdp_handle = SDP_CreateRecord(); + /* register the video channel */ + /* no need to verify the function pointer here. it's verified prior */ + (*p_bta_av_cfg->p_reg)(&cs, p_service_name, p_scb); + } + } while (0); + + /* call callback with register event */ + (*bta_av_cb.p_cback)(BTA_AV_REGISTER_EVT, (tBTA_AV *)®istr); +} + +/******************************************************************************* +** +** Function bta_av_api_deregister +** +** Description de-register a channel +** +** +** Returns void +** +*******************************************************************************/ +void bta_av_api_deregister(tBTA_AV_DATA *p_data) +{ + tBTA_AV_SCB *p_scb = bta_av_hndl_to_scb(p_data->hdr.layer_specific); + + if(p_scb) + { + p_scb->deregistring = TRUE; + bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, p_data); + } + else + { + bta_av_dereg_comp(p_data); + } +} + +/******************************************************************************* +** +** Function bta_av_ci_data +** +** Description forward the BTA_AV_CI_SRC_DATA_READY_EVT to stream state machine +** +** +** Returns void +** +*******************************************************************************/ +static void bta_av_ci_data(tBTA_AV_DATA *p_data) +{ + tBTA_AV_SCB *p_scb; + int i; + UINT8 chnl = (UINT8)p_data->hdr.layer_specific; + + for( i=0; i < BTA_AV_NUM_STRS; i++ ) + { + p_scb = bta_av_cb.p_scb[i]; + + if(p_scb && p_scb->chnl == chnl) + { + bta_av_ssm_execute(p_scb, BTA_AV_SRC_DATA_READY_EVT, p_data); + } + } +} + +/******************************************************************************* +** +** Function bta_av_rpc_conn +** +** Description report report channel open +** +** Returns void +** +*******************************************************************************/ +#if (AVDT_REPORTING == TRUE) + +static void bta_av_rpc_conn(tBTA_AV_DATA *p_data) +{ +} +#endif + +/******************************************************************************* +** +** Function bta_av_api_to_ssm +** +** Description forward the API request to stream state machine +** +** +** Returns void +** +*******************************************************************************/ +static void bta_av_api_to_ssm(tBTA_AV_DATA *p_data) +{ + int xx; + UINT16 event = p_data->hdr.event - BTA_AV_FIRST_A2S_API_EVT + BTA_AV_FIRST_A2S_SSM_EVT; + + for(xx=0; xx<BTA_AV_NUM_STRS; xx++) + { + bta_av_ssm_execute(bta_av_cb.p_scb[xx], event, p_data); + } +} + +/******************************************************************************* +** +** Function bta_av_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_av_chk_start(tBTA_AV_SCB *p_scb) +{ + BOOLEAN start = FALSE; + tBTA_AV_SCB *p_scbi; + int i; + + if(p_scb->chnl == BTA_AV_CHNL_AUDIO) + { + if ((bta_av_cb.audio_open_cnt >= 2) && + ((0 == (p_scb->role & BTA_AV_ROLE_AD_ACP)) || /* Outgoing connection or */ + (bta_av_cb.features & BTA_AV_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; i<BTA_AV_NUM_STRS; i++) + { + p_scbi = bta_av_cb.p_scb[i]; + if(p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started) + { + start = TRUE; + /* may need to update the flush timeout of this already started stream */ + if(p_scbi->co_started != bta_av_cb.audio_open_cnt) + { + p_scbi->co_started = bta_av_cb.audio_open_cnt; + L2CA_SetFlushTimeout(p_scbi->peer_addr, p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1] ); + } + } + } + } + } + return start; +} + +/******************************************************************************* +** +** Function bta_av_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_av_restore_switch (void) +{ + tBTA_AV_CB *p_cb = &bta_av_cb; + int i; + UINT8 mask; + + APPL_TRACE_DEBUG1("reg_audio: 0x%x",bta_av_cb.reg_audio); + for(i=0; i<BTA_AV_NUM_STRS; i++) + { + mask = BTA_AV_HNDL_TO_MSK(i); + if (p_cb->conn_audio == mask) + { + if (p_cb->p_scb[i]) + { + bta_sys_set_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH, p_cb->p_scb[i]->peer_addr); + } + break; + } + } +} + +/******************************************************************************* +** +** Function bta_av_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_av_sys_rs_cback (tBTA_SYS_CONN_STATUS status,UINT8 id, UINT8 app_id, BD_ADDR peer_addr) +{ + int i; + tBTA_AV_SCB *p_scb; + tBTA_AV_ROLE_RES *p_buf; + UINT8 cur_role; + UINT8 peer_idx = 0; + + APPL_TRACE_DEBUG1("bta_av_sys_rs_cback: %d", bta_av_cb.rs_idx); + for(i=0; i<BTA_AV_NUM_STRS; i++) + { + /* loop through all the SCBs to find matching peer addresses and report the role change event */ + /* note that more than one SCB (a2dp & vdp) maybe waiting for this event */ + p_scb = bta_av_cb.p_scb[i]; + if (p_scb && (bdcmp (peer_addr, p_scb->peer_addr) == 0) && + (p_buf = (tBTA_AV_ROLE_RES *) GKI_getbuf(sizeof(tBTA_AV_ROLE_RES))) != NULL) + { + APPL_TRACE_DEBUG3("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_AV_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_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH, peer_addr); + } + + /* if BTA_AvOpen() was called for other device, which caused the role switch of the peer_addr, */ + /* we need to continue opening process for the BTA_AvOpen(). */ + if ((bta_av_cb.rs_idx != 0) && (bta_av_cb.rs_idx != peer_idx)) + { + p_scb = bta_av_cb.p_scb[bta_av_cb.rs_idx - 1]; + if (p_scb && p_scb->q_tag == BTA_AV_Q_TAG_OPEN) + { + APPL_TRACE_DEBUG3 ("bta_av_sys_rs_cback: rs_idx(%d), hndl:x%x q_tag: %d", + bta_av_cb.rs_idx, p_scb->hndl, p_scb->q_tag); + + if(HCI_SUCCESS == app_id || HCI_ERR_NO_CONNECTION == app_id) + p_scb->q_info.open.switch_res = BTA_AV_RS_OK; + else + p_scb->q_info.open.switch_res = BTA_AV_RS_FAIL; + + /* Continue av open process */ + bta_av_do_disc_a2d (p_scb, (tBTA_AV_DATA *)&(p_scb->q_info.open)); + } + + bta_av_cb.rs_idx = 0; + } +} + +/******************************************************************************* +** +** Function bta_av_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_av_sco_chg_cback(tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8 + app_id, BD_ADDR peer_addr) +{ + tBTA_AV_SCB *p_scb; + int i; + tBTA_AV_API_STOP stop; + + APPL_TRACE_DEBUG2("bta_av_sco_chg_cback:%d status:%d", id, status); + if(id) + { + bta_av_cb.sco_occupied = TRUE; + + /* either BTA_SYS_SCO_OPEN or BTA_SYS_SCO_CLOSE with remaining active SCO */ + for(i=0; i<BTA_AV_NUM_STRS; i++) + { + p_scb = bta_av_cb.p_scb[i]; + + if( p_scb && p_scb->co_started && (p_scb->sco_suspend == FALSE)) + { + APPL_TRACE_DEBUG1("suspending scb:%d", i); + /* scb is used and started, not suspended automatically */ + p_scb->sco_suspend = TRUE; + stop.flush = FALSE; + stop.suspend = TRUE; + bta_av_ssm_execute(p_scb, BTA_AV_AP_STOP_EVT, (tBTA_AV_DATA *)&stop); + } + } + } + else + { + bta_av_cb.sco_occupied = FALSE; + + for(i=0; i<BTA_AV_NUM_STRS; i++) + { + p_scb = bta_av_cb.p_scb[i]; + + if( p_scb && p_scb->sco_suspend ) /* scb is used and suspended for SCO */ + { + APPL_TRACE_DEBUG1("starting scb:%d", i); + bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL); + } + } + } +} + +/******************************************************************************* +** +** Function bta_av_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_av_switch_if_needed(tBTA_AV_SCB *p_scb) +{ + UINT8 role; + BOOLEAN needed = FALSE; + tBTA_AV_SCB *p_scbi; + int i; + UINT8 mask; + + for(i=0; i<BTA_AV_NUM_STRS; i++) + { + mask = BTA_AV_HNDL_TO_MSK(i); + p_scbi = bta_av_cb.p_scb[i]; + if( p_scbi && (p_scb->hdi != i) && /* not the original channel */ + ((bta_av_cb.conn_audio & mask) ||/* connected audio */ + (bta_av_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_av_cb.features & BTA_AV_FEAT_MASTER) + bta_sys_clear_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH, p_scbi->peer_addr); + if (BTM_CMD_STARTED != BTM_SwitchRole(p_scbi->peer_addr, BTM_ROLE_MASTER, NULL)) + { + /* 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->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RS_TIME_VAL); + } + needed = TRUE; + /* mark the original channel as waiting for RS result */ + bta_av_cb.rs_idx = p_scb->hdi + 1; + break; + } + } + } + return needed; +} + +/******************************************************************************* +** +** Function bta_av_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_av_link_role_ok(tBTA_AV_SCB *p_scb, UINT8 bits) +{ + UINT8 role; + BOOLEAN is_ok = TRUE; + BOOLEAN need_timer = FALSE; + + if (BTM_GetRole(p_scb->peer_addr, &role) == BTM_SUCCESS) + { + APPL_TRACE_ERROR5("bta_av_link_role_ok hndl:x%x role:%d, conn_audio:x%x, bits:%d, features:x%x", p_scb->hndl, role, bta_av_cb.conn_audio, bits, bta_av_cb.features); + if (BTM_ROLE_MASTER != role && (A2D_BitsSet(bta_av_cb.conn_audio) > bits || (bta_av_cb.features & BTA_AV_FEAT_MASTER))) + { + if (bta_av_cb.features & BTA_AV_FEAT_MASTER) + bta_sys_clear_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH, p_scb->peer_addr); + + if (BTM_CMD_STARTED != BTM_SwitchRole(p_scb->peer_addr, BTM_ROLE_MASTER, NULL)) + { + /* can not switch role on SCB - start the timer on SCB */ + need_timer = TRUE; + } + is_ok = FALSE; + p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_START; + + } + } + + return is_ok; +} + +/******************************************************************************* +** +** Function bta_av_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_av_chk_mtu(tBTA_AV_SCB *p_scb, UINT16 mtu) +{ + UINT16 ret_mtu = BTA_AV_MAX_A2DP_MTU; + tBTA_AV_SCB *p_scbi; + int i; + UINT8 mask; + + /* TODO_MV mess with the mtu according to the number of EDR/non-EDR headsets */ + if(p_scb->chnl == BTA_AV_CHNL_AUDIO) + { + if(bta_av_cb.audio_open_cnt >= 2) + { + /* more than one audio channel is connected */ + for(i=0; i<BTA_AV_NUM_STRS; i++) + { + p_scbi = bta_av_cb.p_scb[i]; + if((p_scb != p_scbi) && p_scbi && (p_scbi->chnl == BTA_AV_CHNL_AUDIO) ) + { + mask = BTA_AV_HNDL_TO_MSK(i); + APPL_TRACE_DEBUG3("[%d] mtu: %d, mask:0x%x", + i, p_scbi->stream_mtu, mask); + if(bta_av_cb.conn_audio & mask) + { + if(ret_mtu > p_scbi->stream_mtu) + ret_mtu = p_scbi->stream_mtu; + } + } + } + } + APPL_TRACE_DEBUG3("bta_av_chk_mtu audio count:%d, conn_audio:0x%x, ret:%d", + bta_av_cb.audio_open_cnt, bta_av_cb.conn_audio, ret_mtu); + } + return ret_mtu; +} + +/******************************************************************************* +** +** Function bta_av_dup_audio_buf +** +** Description dup the audio data to the q_info.a2d of other audio channels +** +** Returns void +** +*******************************************************************************/ +void bta_av_dup_audio_buf(tBTA_AV_SCB *p_scb, BT_HDR *p_buf) +{ + tBTA_AV_SCB *p_scbi; + BUFFER_Q *pq; + int i; + UINT16 size, copy_size; + BT_HDR *p_new; + + if(!p_buf) + return; + + if(bta_av_cb.audio_open_cnt >= 2) + { + size = GKI_get_buf_size(p_buf); + copy_size = BT_HDR_SIZE + p_buf->len + p_buf->offset; + /* more than one audio channel is connected */ + for(i=0; i<BTA_AV_NUM_STRS; i++) + { + p_scbi = bta_av_cb.p_scb[i]; + if( (p_scb->hdi != i) && /* not the original channel */ + (bta_av_cb.conn_audio & BTA_AV_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 *)GKI_getbuf(size); + if(p_new) + { + memcpy(p_new, p_buf, copy_size); + pq = &p_scbi->q_info.a2d; + GKI_enqueue(pq, p_new); + if(pq->count > p_bta_av_cfg->audio_mqs) + { + bta_av_co_audio_drop(p_scbi->hndl); + GKI_freebuf(GKI_dequeue(pq)); + } + } + } + } + } + +} + +/******************************************************************************* +** +** Function bta_av_sm_execute +** +** Description State machine event handling function for AV +** +** +** Returns void +** +*******************************************************************************/ +void bta_av_sm_execute(tBTA_AV_CB *p_cb, UINT16 event, tBTA_AV_DATA *p_data) +{ + tBTA_AV_ST_TBL state_table; + UINT8 action; + +#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE) + APPL_TRACE_EVENT4("AV event=0x%x(%s) state=%d(%s)", + event, bta_av_evt_code(event), p_cb->state, bta_av_st_code(p_cb->state)); +#else + APPL_TRACE_EVENT2("AV event=0x%x state=%d", event, p_cb->state); +#endif + + /* look up the state table for the current state */ + state_table = bta_av_st_tbl[p_cb->state]; + + event &= 0x00FF; + + /* set next state */ + p_cb->state = state_table[event][BTA_AV_NEXT_STATE]; + APPL_TRACE_EVENT1("next state=%d", p_cb->state); + + /* execute action functions */ + if ((action = state_table[event][BTA_AV_ACTION_COL]) != BTA_AV_IGNORE) + { + (*bta_av_action[action])(p_cb, p_data); + } +} + + +/******************************************************************************* +** +** Function bta_av_hdl_event +** +** Description Advanced audio/video main event handling function. +** +** +** Returns BOOLEAN +** +*******************************************************************************/ +BOOLEAN bta_av_hdl_event(BT_HDR *p_msg) +{ + UINT16 event = p_msg->event; + UINT16 first_event = BTA_AV_FIRST_NSM_EVT; + + if (event > BTA_AV_LAST_EVT) + { + return TRUE; /* to free p_msg */ + } + + if(event >= first_event) + { +#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE) + APPL_TRACE_EVENT2("AV nsm event=0x%x(%s)", event, bta_av_evt_code(event)); +#else + APPL_TRACE_EVENT1("AV nsm event=0x%x", event); +#endif + /* non state machine events */ + (*bta_av_nsm_act[event - BTA_AV_FIRST_NSM_EVT]) ((tBTA_AV_DATA *) p_msg); + } + else if (event >= BTA_AV_FIRST_SM_EVT && event <= BTA_AV_LAST_SM_EVT) + { +#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE) + APPL_TRACE_EVENT2("AV sm event=0x%x(%s)", event, bta_av_evt_code(event)); +#else + APPL_TRACE_EVENT1("AV sm event=0x%x", event); +#endif + /* state machine events */ + bta_av_sm_execute(&bta_av_cb, p_msg->event, (tBTA_AV_DATA *) p_msg); + } + else + { + APPL_TRACE_EVENT1("handle=0x%x", p_msg->layer_specific); + /* stream state machine events */ + bta_av_ssm_execute( bta_av_hndl_to_scb(p_msg->layer_specific), + p_msg->event, (tBTA_AV_DATA *) p_msg); + } + return TRUE; +} + + +/***************************************************************************** +** Debug Functions +*****************************************************************************/ +#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE) +/******************************************************************************* +** +** Function bta_av_st_code +** +** Description +** +** Returns char * +** +*******************************************************************************/ +static char *bta_av_st_code(UINT8 state) +{ + switch(state) + { + case BTA_AV_INIT_ST: return "INIT"; + case BTA_AV_OPEN_ST: return "OPEN"; + default: return "unknown"; + } +} +/******************************************************************************* +** +** Function bta_av_evt_code +** +** Description +** +** Returns char * +** +*******************************************************************************/ +char *bta_av_evt_code(UINT16 evt_code) +{ + switch(evt_code) + { + case BTA_AV_API_DISABLE_EVT: return "API_DISABLE"; + case BTA_AV_API_REMOTE_CMD_EVT: return "API_REMOTE_CMD"; + case BTA_AV_API_VENDOR_CMD_EVT: return "API_VENDOR_CMD"; + case BTA_AV_API_VENDOR_RSP_EVT: return "API_VENDOR_RSP"; + case BTA_AV_API_META_RSP_EVT: return "API_META_RSP_EVT"; + case BTA_AV_API_RC_CLOSE_EVT: return "API_RC_CLOSE"; + case BTA_AV_AVRC_OPEN_EVT: return "AVRC_OPEN"; + case BTA_AV_AVRC_MSG_EVT: return "AVRC_MSG"; + case BTA_AV_AVRC_NONE_EVT: return "AVRC_NONE"; + + case BTA_AV_API_OPEN_EVT: return "API_OPEN"; + case BTA_AV_API_CLOSE_EVT: return "API_CLOSE"; + case BTA_AV_AP_START_EVT: return "AP_START"; + case BTA_AV_AP_STOP_EVT: return "AP_STOP"; + case BTA_AV_API_RECONFIG_EVT: return "API_RECONFIG"; + case BTA_AV_API_PROTECT_REQ_EVT: return "API_PROTECT_REQ"; + case BTA_AV_API_PROTECT_RSP_EVT: return "API_PROTECT_RSP"; + case BTA_AV_API_RC_OPEN_EVT: return "API_RC_OPEN"; + case BTA_AV_SRC_DATA_READY_EVT: return "SRC_DATA_READY"; + case BTA_AV_CI_SETCONFIG_OK_EVT: return "CI_SETCONFIG_OK"; + case BTA_AV_CI_SETCONFIG_FAIL_EVT: return "CI_SETCONFIG_FAIL"; + case BTA_AV_SDP_DISC_OK_EVT: return "SDP_DISC_OK"; + case BTA_AV_SDP_DISC_FAIL_EVT: return "SDP_DISC_FAIL"; + case BTA_AV_STR_DISC_OK_EVT: return "STR_DISC_OK"; + case BTA_AV_STR_DISC_FAIL_EVT: return "STR_DISC_FAIL"; + case BTA_AV_STR_GETCAP_OK_EVT: return "STR_GETCAP_OK"; + case BTA_AV_STR_GETCAP_FAIL_EVT: return "STR_GETCAP_FAIL"; + case BTA_AV_STR_OPEN_OK_EVT: return "STR_OPEN_OK"; + case BTA_AV_STR_OPEN_FAIL_EVT: return "STR_OPEN_FAIL"; + case BTA_AV_STR_START_OK_EVT: return "STR_START_OK"; + case BTA_AV_STR_START_FAIL_EVT: return "STR_START_FAIL"; + case BTA_AV_STR_CLOSE_EVT: return "STR_CLOSE"; + case BTA_AV_STR_CONFIG_IND_EVT: return "STR_CONFIG_IND"; + case BTA_AV_STR_SECURITY_IND_EVT: return "STR_SECURITY_IND"; + case BTA_AV_STR_SECURITY_CFM_EVT: return "STR_SECURITY_CFM"; + case BTA_AV_STR_WRITE_CFM_EVT: return "STR_WRITE_CFM"; + case BTA_AV_STR_SUSPEND_CFM_EVT: return "STR_SUSPEND_CFM"; + case BTA_AV_STR_RECONFIG_CFM_EVT: return "STR_RECONFIG_CFM"; + case BTA_AV_AVRC_TIMER_EVT: return "AVRC_TIMER"; + case BTA_AV_AVDT_CONNECT_EVT: return "AVDT_CONNECT"; + case BTA_AV_AVDT_DISCONNECT_EVT: return "AVDT_DISCONNECT"; + case BTA_AV_ROLE_CHANGE_EVT: return "ROLE_CHANGE"; + case BTA_AV_AVDT_DELAY_RPT_EVT: return "AVDT_DELAY_RPT"; + case BTA_AV_ACP_CONNECT_EVT: return "ACP_CONNECT"; + + case BTA_AV_API_ENABLE_EVT: return "API_ENABLE"; + case BTA_AV_API_REGISTER_EVT: return "API_REG"; + case BTA_AV_API_DEREGISTER_EVT: return "API_DEREG"; + case BTA_AV_API_DISCONNECT_EVT: return "API_DISCNT"; + case BTA_AV_CI_SRC_DATA_READY_EVT: return "CI_DATA_READY"; + case BTA_AV_SIG_CHG_EVT: return "SIG_CHG"; + case BTA_AV_SIG_TIMER_EVT: return "SIG_TMR"; + case BTA_AV_SDP_AVRC_DISC_EVT: return "SDP_AVRC_DISC"; + case BTA_AV_AVRC_CLOSE_EVT: return "AVRC_CLOSE"; + case BTA_AV_CONN_CHG_EVT: return "CONN_CHG"; + case BTA_AV_DEREG_COMP_EVT: return "DEREG_COMP"; +#if (AVDT_REPORTING == TRUE) + case BTA_AV_AVDT_RPT_CONN_EVT: return "RPT_CONN"; +#endif + case BTA_AV_API_START_EVT: return "API_START"; + case BTA_AV_API_STOP_EVT: return "API_STOP"; + default: return "unknown"; + } +} +#endif + +#endif /* BTA_AV_INCLUDED */ |