| /****************************************************************************** |
| * |
| * 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 file contains action functions for advanced audio/video stream |
| * state machine. these functions are shared by both audio and video |
| * streams. |
| * |
| ******************************************************************************/ |
| |
| #include "bt_target.h" |
| #if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE) |
| |
| #include <string.h> |
| #include "bta_av_int.h" |
| #include "avdt_api.h" |
| #include "bd.h" |
| #include "utl.h" |
| #include "l2c_api.h" |
| #include "l2cdefs.h" |
| #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) |
| #include "bta_ar_api.h" |
| #endif |
| |
| /***************************************************************************** |
| ** Constants |
| *****************************************************************************/ |
| |
| /* the delay time in milliseconds to start service discovery on AVRCP */ |
| #ifndef BTA_AV_RC_DISC_TIME_VAL |
| #define BTA_AV_RC_DISC_TIME_VAL 3500 |
| #endif |
| |
| /* the timer in milliseconds to guard against link busy and AVDT_CloseReq failed to be sent */ |
| #ifndef BTA_AV_CLOSE_REQ_TIME_VAL |
| #define BTA_AV_CLOSE_REQ_TIME_VAL 4000 |
| #endif |
| |
| /* number to retry on reconfigure failure - some headsets requirs this number to be more than 1 */ |
| #ifndef BTA_AV_RECONFIG_RETRY |
| #define BTA_AV_RECONFIG_RETRY 6 |
| #endif |
| |
| /* state machine states */ |
| enum |
| { |
| BTA_AV_INIT_SST, |
| BTA_AV_INCOMING_SST, |
| BTA_AV_OPENING_SST, |
| BTA_AV_OPEN_SST, |
| BTA_AV_RCFG_SST, |
| BTA_AV_CLOSING_SST |
| }; |
| |
| |
| /* the call out functions for audio stream */ |
| const tBTA_AV_CO_FUNCTS bta_av_a2d_cos = |
| { |
| bta_av_co_audio_init, |
| bta_av_co_audio_disc_res, |
| bta_av_co_audio_getconfig, |
| bta_av_co_audio_setconfig, |
| bta_av_co_audio_open, |
| bta_av_co_audio_close, |
| bta_av_co_audio_start, |
| bta_av_co_audio_stop, |
| bta_av_co_audio_src_data_path, |
| bta_av_co_audio_delay |
| }; |
| |
| /* ssm action functions for audio stream */ |
| const tBTA_AV_SACT bta_av_a2d_action[] = |
| { |
| bta_av_do_disc_a2d, /* BTA_AV_DO_DISC */ |
| bta_av_cleanup, /* BTA_AV_CLEANUP */ |
| bta_av_free_sdb, /* BTA_AV_FREE_SDB */ |
| bta_av_config_ind, /* BTA_AV_CONFIG_IND */ |
| bta_av_disconnect_req, /* BTA_AV_DISCONNECT_REQ */ |
| bta_av_security_req, /* BTA_AV_SECURITY_REQ */ |
| bta_av_security_rsp, /* BTA_AV_SECURITY_RSP */ |
| bta_av_setconfig_rsp, /* BTA_AV_SETCONFIG_RSP */ |
| bta_av_st_rc_timer, /* BTA_AV_ST_RC_TIMER */ |
| bta_av_str_opened, /* BTA_AV_STR_OPENED */ |
| bta_av_security_ind, /* BTA_AV_SECURITY_IND */ |
| bta_av_security_cfm, /* BTA_AV_SECURITY_CFM */ |
| bta_av_do_close, /* BTA_AV_DO_CLOSE */ |
| bta_av_connect_req, /* BTA_AV_CONNECT_REQ */ |
| bta_av_sdp_failed, /* BTA_AV_SDP_FAILED */ |
| bta_av_disc_results, /* BTA_AV_DISC_RESULTS */ |
| bta_av_disc_res_as_acp, /* BTA_AV_DISC_RES_AS_ACP */ |
| bta_av_open_failed, /* BTA_AV_OPEN_FAILED */ |
| bta_av_getcap_results, /* BTA_AV_GETCAP_RESULTS */ |
| bta_av_setconfig_rej, /* BTA_AV_SETCONFIG_REJ */ |
| bta_av_discover_req, /* BTA_AV_DISCOVER_REQ */ |
| bta_av_conn_failed, /* BTA_AV_CONN_FAILED */ |
| bta_av_do_start, /* BTA_AV_DO_START */ |
| bta_av_str_stopped, /* BTA_AV_STR_STOPPED */ |
| bta_av_reconfig, /* BTA_AV_RECONFIG */ |
| bta_av_data_path, /* BTA_AV_DATA_PATH */ |
| bta_av_start_ok, /* BTA_AV_START_OK */ |
| bta_av_start_failed, /* BTA_AV_START_FAILED */ |
| bta_av_str_closed, /* BTA_AV_STR_CLOSED */ |
| bta_av_clr_cong, /* BTA_AV_CLR_CONG */ |
| bta_av_suspend_cfm, /* BTA_AV_SUSPEND_CFM */ |
| bta_av_rcfg_str_ok, /* BTA_AV_RCFG_STR_OK */ |
| bta_av_rcfg_failed, /* BTA_AV_RCFG_FAILED */ |
| bta_av_rcfg_connect, /* BTA_AV_RCFG_CONNECT */ |
| bta_av_rcfg_discntd, /* BTA_AV_RCFG_DISCNTD */ |
| bta_av_suspend_cont, /* BTA_AV_SUSPEND_CONT */ |
| bta_av_rcfg_cfm, /* BTA_AV_RCFG_CFM */ |
| bta_av_rcfg_open, /* BTA_AV_RCFG_OPEN */ |
| bta_av_security_rej, /* BTA_AV_SECURITY_REJ */ |
| bta_av_open_rc, /* BTA_AV_OPEN_RC */ |
| bta_av_chk_2nd_start, /* BTA_AV_CHK_2ND_START */ |
| bta_av_save_caps, /* BTA_AV_SAVE_CAPS */ |
| bta_av_set_use_rc, /* BTA_AV_SET_USE_RC */ |
| bta_av_cco_close, /* BTA_AV_CCO_CLOSE */ |
| bta_av_switch_role, /* BTA_AV_SWITCH_ROLE */ |
| bta_av_role_res, /* BTA_AV_ROLE_RES */ |
| bta_av_delay_co, /* BTA_AV_DELAY_CO */ |
| bta_av_open_at_inc, /* BTA_AV_OPEN_AT_INC */ |
| NULL |
| }; |
| |
| /* these tables translate AVDT events to SSM events */ |
| static const UINT16 bta_av_stream_evt_ok[] = { |
| BTA_AV_STR_DISC_OK_EVT, /* AVDT_DISCOVER_CFM_EVT */ |
| BTA_AV_STR_GETCAP_OK_EVT, /* AVDT_GETCAP_CFM_EVT */ |
| BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_CFM_EVT */ |
| BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_IND_EVT */ |
| BTA_AV_STR_CONFIG_IND_EVT, /* AVDT_CONFIG_IND_EVT */ |
| BTA_AV_STR_START_OK_EVT, /* AVDT_START_CFM_EVT */ |
| BTA_AV_STR_START_OK_EVT, /* AVDT_START_IND_EVT */ |
| BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_CFM_EVT */ |
| BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_IND_EVT */ |
| BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_CFM_EVT */ |
| BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_IND_EVT */ |
| BTA_AV_STR_RECONFIG_CFM_EVT, /* AVDT_RECONFIG_CFM_EVT */ |
| 0, /* AVDT_RECONFIG_IND_EVT */ |
| BTA_AV_STR_SECURITY_CFM_EVT, /* AVDT_SECURITY_CFM_EVT */ |
| BTA_AV_STR_SECURITY_IND_EVT, /* AVDT_SECURITY_IND_EVT */ |
| BTA_AV_STR_WRITE_CFM_EVT, /* AVDT_WRITE_CFM_EVT */ |
| BTA_AV_AVDT_CONNECT_EVT, /* AVDT_CONNECT_IND_EVT */ |
| BTA_AV_AVDT_DISCONNECT_EVT, /* AVDT_DISCONNECT_IND_EVT */ |
| #if (AVDT_REPORTING == TRUE) |
| BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_CONN_EVT */ |
| BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_DISCONN_EVT */ |
| #endif |
| BTA_AV_AVDT_DELAY_RPT_EVT, /* AVDT_DELAY_REPORT_EVT */ |
| 0 /* AVDT_DELAY_REPORT_CFM_EVT */ |
| }; |
| |
| static const UINT16 bta_av_stream_evt_fail[] = { |
| BTA_AV_STR_DISC_FAIL_EVT, /* AVDT_DISCOVER_CFM_EVT */ |
| BTA_AV_STR_GETCAP_FAIL_EVT, /* AVDT_GETCAP_CFM_EVT */ |
| BTA_AV_STR_OPEN_FAIL_EVT, /* AVDT_OPEN_CFM_EVT */ |
| BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_IND_EVT */ |
| BTA_AV_STR_CONFIG_IND_EVT, /* AVDT_CONFIG_IND_EVT */ |
| BTA_AV_STR_START_FAIL_EVT, /* AVDT_START_CFM_EVT */ |
| BTA_AV_STR_START_OK_EVT, /* AVDT_START_IND_EVT */ |
| BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_CFM_EVT */ |
| BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_IND_EVT */ |
| BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_CFM_EVT */ |
| BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_IND_EVT */ |
| BTA_AV_STR_RECONFIG_CFM_EVT, /* AVDT_RECONFIG_CFM_EVT */ |
| 0, /* AVDT_RECONFIG_IND_EVT */ |
| BTA_AV_STR_SECURITY_CFM_EVT, /* AVDT_SECURITY_CFM_EVT */ |
| BTA_AV_STR_SECURITY_IND_EVT, /* AVDT_SECURITY_IND_EVT */ |
| BTA_AV_STR_WRITE_CFM_EVT, /* AVDT_WRITE_CFM_EVT */ |
| BTA_AV_AVDT_CONNECT_EVT, /* AVDT_CONNECT_IND_EVT */ |
| BTA_AV_AVDT_DISCONNECT_EVT, /* AVDT_DISCONNECT_IND_EVT */ |
| #if (AVDT_REPORTING == TRUE) |
| BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_CONN_EVT */ |
| BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_DISCONN_EVT */ |
| #endif |
| BTA_AV_AVDT_DELAY_RPT_EVT, /* AVDT_DELAY_REPORT_EVT */ |
| 0 /* AVDT_DELAY_REPORT_CFM_EVT */ |
| }; |
| |
| static void bta_av_stream0_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); |
| static void bta_av_stream1_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); |
| #if BTA_AV_NUM_STRS > 2 |
| static void bta_av_stream2_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); |
| #endif |
| #if BTA_AV_NUM_STRS > 3 |
| static void bta_av_stream3_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); |
| #endif |
| #if BTA_AV_NUM_STRS > 4 |
| static void bta_av_stream4_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); |
| #endif |
| #if BTA_AV_NUM_STRS > 5 |
| static void bta_av_stream5_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data); |
| #endif |
| /* the array of callback functions to receive events from AVDT control channel */ |
| tAVDT_CTRL_CBACK * const bta_av_dt_cback[] = |
| { |
| bta_av_stream0_cback |
| ,bta_av_stream1_cback |
| #if BTA_AV_NUM_STRS > 2 |
| ,bta_av_stream2_cback |
| #endif |
| #if BTA_AV_NUM_STRS > 3 |
| ,bta_av_stream3_cback |
| #endif |
| #if BTA_AV_NUM_STRS > 4 |
| ,bta_av_stream4_cback |
| #endif |
| #if BTA_AV_NUM_STRS > 5 |
| ,bta_av_stream5_cback |
| #endif |
| }; |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_save_addr |
| ** |
| ** Description copy the bd_addr and maybe reset the supported flags |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void bta_av_save_addr(tBTA_AV_SCB *p_scb, const BD_ADDR b) |
| { |
| APPL_TRACE_DEBUG2("bta_av_save_addr r:%d, s:%d", |
| p_scb->recfg_sup, p_scb->suspend_sup); |
| if(bdcmp(p_scb->peer_addr, b) != 0) |
| { |
| APPL_TRACE_ERROR0("reset flags"); |
| /* a new addr, reset the supported flags */ |
| p_scb->recfg_sup = TRUE; |
| p_scb->suspend_sup = TRUE; |
| } |
| |
| /* do this copy anyway, just in case the first addr matches |
| * the control block one by accident */ |
| bdcpy(p_scb->peer_addr, b); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function notify_start_failed |
| ** |
| ** Description notify up-layer AV start failed |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void notify_start_failed(tBTA_AV_SCB *p_scb) |
| { |
| tBTA_AV_START start; |
| /* if start failed, clear role */ |
| p_scb->role &= ~BTA_AV_ROLE_START_INT; |
| start.chnl = p_scb->chnl; |
| start.status = BTA_AV_FAIL; |
| start.initiator = TRUE; |
| start.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_st_rc_timer |
| ** |
| ** Description start the AVRC timer if no RC connection & CT is supported & |
| ** RC is used or |
| ** as ACP (we do not really know if we want AVRC) |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_st_rc_timer(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UNUSED(p_data); |
| |
| APPL_TRACE_DEBUG2("bta_av_st_rc_timer rc_handle:%d, use_rc: %d", |
| p_scb->rc_handle, p_scb->use_rc); |
| /* for outgoing RC connection as INT/CT */ |
| if( (p_scb->rc_handle == BTA_AV_RC_HANDLE_NONE) && |
| /*(bta_av_cb.features & BTA_AV_FEAT_RCCT) &&*/ |
| (p_scb->use_rc == TRUE || (p_scb->role & BTA_AV_ROLE_AD_ACP)) ) |
| { |
| if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) == 0) |
| bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RC_DISC_TIME_VAL); |
| else |
| p_scb->wait |= BTA_AV_WAIT_CHECK_RC; |
| } |
| |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_next_getcap |
| ** |
| ** Description The function gets the capabilities of the next available |
| ** stream found in the discovery results. |
| ** |
| ** Returns TRUE if we sent request to AVDT, FALSE otherwise. |
| ** |
| *******************************************************************************/ |
| static BOOLEAN bta_av_next_getcap(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| int i; |
| tAVDT_GETCAP_REQ *p_req; |
| BOOLEAN sent_cmd = FALSE; |
| |
| for (i = p_scb->sep_info_idx; i < p_scb->num_seps; i++) |
| { |
| /* steam not in use, is a sink, and is the right media type (audio/video) */ |
| if ((p_scb->sep_info[i].in_use == FALSE) && |
| (p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) && |
| (p_scb->sep_info[i].media_type == p_scb->media_type)) |
| { |
| p_scb->sep_info_idx = i; |
| |
| /* we got a stream; get its capabilities */ |
| if (p_scb->p_cap == NULL) |
| { |
| p_scb->p_cap = (tAVDT_CFG *) GKI_getbuf(sizeof(tAVDT_CFG)); |
| } |
| if (p_scb->p_cap == NULL) |
| { |
| i = p_scb->num_seps; |
| break; |
| } |
| if (p_scb->avdt_version >= AVDT_VERSION_SYNC) |
| { |
| p_req = AVDT_GetAllCapReq; |
| } |
| else |
| { |
| p_req = AVDT_GetCapReq; |
| } |
| (*p_req)(p_scb->peer_addr, |
| p_scb->sep_info[i].seid, |
| p_scb->p_cap, bta_av_dt_cback[p_scb->hdi]); |
| sent_cmd = TRUE; |
| break; |
| } |
| } |
| |
| /* if no streams available then stream open fails */ |
| if (!sent_cmd) |
| { |
| bta_av_ssm_execute(p_scb, BTA_AV_STR_GETCAP_FAIL_EVT, p_data); |
| } |
| |
| return sent_cmd; |
| |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_proc_stream_evt |
| ** |
| ** Description Utility function to compose stream events. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_proc_stream_evt(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data, int index) |
| { |
| tBTA_AV_STR_MSG *p_msg; |
| UINT16 sec_len = 0; |
| tBTA_AV_SCB *p_scb = bta_av_cb.p_scb[index]; |
| int xx; |
| |
| if (p_data) |
| { |
| if (event == AVDT_SECURITY_IND_EVT) |
| { |
| sec_len = (p_data->security_ind.len < BTA_AV_SECURITY_MAX_LEN) ? |
| p_data->security_ind.len : BTA_AV_SECURITY_MAX_LEN; |
| } |
| else if (event == AVDT_SECURITY_CFM_EVT && p_data->hdr.err_code == 0) |
| { |
| sec_len = (p_data->security_cfm.len < BTA_AV_SECURITY_MAX_LEN) ? |
| p_data->security_cfm.len : BTA_AV_SECURITY_MAX_LEN; |
| } |
| } |
| |
| if (p_scb && (p_msg = (tBTA_AV_STR_MSG *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_STR_MSG) + sec_len))) != NULL) |
| { |
| |
| /* copy event data, bd addr, and handle to event message buffer */ |
| p_msg->hdr.offset = 0; |
| |
| if (bd_addr != NULL) |
| { |
| bdcpy(p_msg->bd_addr, bd_addr); |
| APPL_TRACE_DEBUG6(" 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]); |
| } |
| |
| if (p_data != NULL) |
| { |
| memcpy(&p_msg->msg, p_data, sizeof (tAVDT_CTRL)); |
| /* copy config params to event message buffer */ |
| switch (event) |
| { |
| case AVDT_RECONFIG_CFM_EVT: |
| APPL_TRACE_DEBUG4("reconfig cfm event codec info = 0x%06x-%06x-%06x-%02x", |
| (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], |
| (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], |
| (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], |
| p_msg->msg.reconfig_cfm.p_cfg->codec_info[9]); |
| break; |
| |
| |
| |
| case AVDT_CONFIG_IND_EVT: |
| /* We might have 2 SEP signallings(A2DP + VDP) with one peer device on one L2CAP. |
| * If we already have a signalling connection with the bd_addr and the streaming |
| * SST is at INIT state, change it to INCOMING state to handle the signalling |
| * from the 2nd SEP. */ |
| if ((bta_av_find_lcb(bd_addr, BTA_AV_LCB_FIND) != NULL) && (bta_av_is_scb_init(p_scb))) |
| { |
| bta_av_set_scb_sst_incoming (p_scb); |
| |
| /* When ACP_CONNECT_EVT was received, we put first available scb to incoming state. |
| * Later when we receive AVDT_CONFIG_IND_EVT, we use a new p_scb and set its state to |
| * incoming which we do it above. |
| * We also have to set the old p_scb state to init to be used later */ |
| for (xx = 0; xx < BTA_AV_NUM_STRS; xx++) |
| { |
| if ((bta_av_cb.p_scb[xx]) && (xx != index)) |
| { |
| if (bta_av_cb.p_scb[xx]->state == BTA_AV_INCOMING_SST) |
| { |
| bta_av_cb.p_scb[xx]->state = BTA_AV_INIT_SST; |
| bta_av_cb.p_scb[xx]->coll_mask = 0; |
| break; |
| } |
| } |
| } |
| } |
| |
| memcpy(&p_msg->cfg, p_data->config_ind.p_cfg, sizeof(tAVDT_CFG)); |
| break; |
| |
| case AVDT_SECURITY_IND_EVT: |
| p_msg->msg.security_ind.p_data = (UINT8 *) (p_msg + 1); |
| memcpy(p_msg->msg.security_ind.p_data, p_data->security_ind.p_data, sec_len); |
| break; |
| |
| case AVDT_SECURITY_CFM_EVT: |
| p_msg->msg.security_cfm.p_data = (UINT8 *) (p_msg + 1); |
| if (p_data->hdr.err_code == 0) |
| { |
| memcpy(p_msg->msg.security_cfm.p_data, p_data->security_cfm.p_data, sec_len); |
| } |
| break; |
| case AVDT_SUSPEND_IND_EVT: |
| p_msg->msg.hdr.err_code = 0; |
| break; |
| |
| default: |
| break; |
| } |
| } |
| else |
| p_msg->msg.hdr.err_code = 0; |
| |
| /* look up application event */ |
| if ((p_data == NULL) || (p_data->hdr.err_code == 0)) |
| { |
| p_msg->hdr.event = bta_av_stream_evt_ok[event]; |
| } |
| else |
| { |
| p_msg->hdr.event = bta_av_stream_evt_fail[event]; |
| } |
| |
| p_msg->initiator = FALSE; |
| if (event == AVDT_SUSPEND_CFM_EVT) |
| p_msg->initiator = TRUE; |
| |
| APPL_TRACE_VERBOSE1("hndl:x%x", p_scb->hndl); |
| p_msg->hdr.layer_specific = p_scb->hndl; |
| p_msg->handle = handle; |
| p_msg->avdt_event = event; |
| bta_sys_sendmsg(p_msg); |
| } |
| |
| /* coverity[var_deref_model] */ |
| /* false-positive: bta_av_conn_cback only processes AVDT_CONNECT_IND_EVT and AVDT_DISCONNECT_IND_EVT event |
| * these 2 events always have associated p_data */ |
| bta_av_conn_cback(handle, bd_addr, event, p_data); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_stream0_cback |
| ** |
| ** Description This is the AVDTP callback function for stream events. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void bta_av_stream0_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) |
| { |
| APPL_TRACE_VERBOSE2("bta_av_stream0_cback avdt_handle: %d event=0x%x", handle, event); |
| bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 0); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_stream1_cback |
| ** |
| ** Description This is the AVDTP callback function for stream events. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void bta_av_stream1_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) |
| { |
| APPL_TRACE_EVENT2("bta_av_stream1_cback avdt_handle: %d event=0x%x", handle, event); |
| bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 1); |
| } |
| |
| #if BTA_AV_NUM_STRS > 2 |
| /******************************************************************************* |
| ** |
| ** Function bta_av_stream2_cback |
| ** |
| ** Description This is the AVDTP callback function for stream events. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void bta_av_stream2_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) |
| { |
| APPL_TRACE_EVENT2("bta_av_stream2_cback avdt_handle: %d event=0x%x", handle, event); |
| bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 2); |
| } |
| #endif |
| |
| #if BTA_AV_NUM_STRS > 3 |
| /******************************************************************************* |
| ** |
| ** Function bta_av_stream3_cback |
| ** |
| ** Description This is the AVDTP callback function for stream events. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void bta_av_stream3_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) |
| { |
| APPL_TRACE_EVENT2("bta_av_stream3_cback avdt_handle: %d event=0x%x", handle, event); |
| bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 3); |
| } |
| #endif |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_stream4_cback |
| ** |
| ** Description This is the AVDTP callback function for stream events. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| #if BTA_AV_NUM_STRS > 4 |
| static void bta_av_stream4_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) |
| { |
| APPL_TRACE_EVENT2("bta_av_stream4_cback avdt_handle: %d event=0x%x", handle, event); |
| bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 4); |
| } |
| #endif |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_stream5_cback |
| ** |
| ** Description This is the AVDTP callback function for stream events. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| #if BTA_AV_NUM_STRS > 5 |
| static void bta_av_stream5_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data) |
| { |
| APPL_TRACE_EVENT2("bta_av_stream5_cback avdt_handle: %d event=0x%x", handle, event); |
| bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 5); |
| } |
| #endif |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_a2d_sdp_cback |
| ** |
| ** Description A2DP service discovery callback. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void bta_av_a2d_sdp_cback(BOOLEAN found, tA2D_Service *p_service) |
| { |
| tBTA_AV_SDP_RES *p_msg; |
| tBTA_AV_SCB *p_scb; |
| |
| if ((p_msg = (tBTA_AV_SDP_RES *) GKI_getbuf(sizeof(tBTA_AV_SDP_RES))) != NULL) |
| { |
| p_msg->hdr.event = (found) ? BTA_AV_SDP_DISC_OK_EVT : BTA_AV_SDP_DISC_FAIL_EVT; |
| |
| p_scb = bta_av_hndl_to_scb(bta_av_cb.handle); |
| if (p_scb) |
| { |
| if (found && (p_service != NULL)) |
| p_scb->avdt_version = p_service->avdt_version; |
| else |
| p_scb->avdt_version = 0x00; |
| |
| p_msg->hdr.layer_specific = bta_av_cb.handle; |
| bta_sys_sendmsg(p_msg); |
| } |
| else |
| { |
| APPL_TRACE_ERROR1 ("bta_av_a2d_sdp_cback, no scb found for handle(0x%x)", bta_av_cb.handle); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_adjust_seps_idx |
| ** |
| ** Description adjust the sep_idx |
| ** |
| ** Returns |
| ** |
| *******************************************************************************/ |
| static void bta_av_adjust_seps_idx(tBTA_AV_SCB *p_scb) |
| { |
| int xx; |
| |
| APPL_TRACE_DEBUG1("bta_av_adjust_seps_idx codec_type: %d", p_scb->codec_type); |
| for(xx=0; xx<BTA_AV_MAX_SEPS; xx++) |
| { |
| APPL_TRACE_DEBUG2("av_handle: %d codec_type: %d", |
| p_scb->seps[xx].av_handle, p_scb->seps[xx].codec_type); |
| if(p_scb->seps[xx].av_handle && p_scb->codec_type == p_scb->seps[xx].codec_type) |
| { |
| p_scb->sep_idx = xx; |
| p_scb->avdt_handle = p_scb->seps[xx].av_handle; |
| break; |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_switch_role |
| ** |
| ** Description Switch role was not started and a timer was started. |
| ** another attempt to switch role now - still opening. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_switch_role (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_RS_RES switch_res = BTA_AV_RS_NONE; |
| tBTA_AV_API_OPEN *p_buf = &p_scb->q_info.open; |
| UNUSED(p_data); |
| |
| APPL_TRACE_DEBUG1("bta_av_switch_role wait:x%x", p_scb->wait); |
| if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_START) |
| p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RETRY; |
| |
| /* clear the masks set when the timer is started */ |
| p_scb->wait &= ~(BTA_AV_WAIT_ROLE_SW_RES_OPEN|BTA_AV_WAIT_ROLE_SW_RES_START); |
| |
| if (p_scb->q_tag == BTA_AV_Q_TAG_OPEN) |
| { |
| if (bta_av_switch_if_needed(p_scb) || !bta_av_link_role_ok(p_scb, A2D_SET_MULTL_BIT)) |
| { |
| p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN; |
| } |
| else |
| { |
| /* this should not happen in theory. Just in case... |
| * continue to do_disc_a2d */ |
| switch_res = BTA_AV_RS_DONE; |
| } |
| } |
| else |
| { |
| /* report failure on OPEN */ |
| switch_res = BTA_AV_RS_FAIL; |
| } |
| |
| if (switch_res != BTA_AV_RS_NONE) |
| { |
| if (bta_av_cb.rs_idx == (p_scb->hdi + 1)) |
| { |
| bta_av_cb.rs_idx = 0; |
| } |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_RETRY; |
| p_scb->q_tag = 0; |
| p_buf->switch_res = switch_res; |
| bta_av_do_disc_a2d(p_scb, (tBTA_AV_DATA *)p_buf); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_role_res |
| ** |
| ** Description Handle the role changed event |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_role_res (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| BOOLEAN initiator = FALSE; |
| tBTA_AV_START start; |
| tBTA_AV_OPEN av_open; |
| |
| APPL_TRACE_DEBUG3("bta_av_role_res q_tag:%d, wait:x%x, role:x%x", p_scb->q_tag, p_scb->wait, p_scb->role); |
| if (p_scb->role & BTA_AV_ROLE_START_INT) |
| initiator = TRUE; |
| |
| if (p_scb->q_tag == BTA_AV_Q_TAG_START) |
| { |
| if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_STARTED) |
| { |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; |
| if (p_data->role_res.hci_status != HCI_SUCCESS) |
| { |
| p_scb->role &= ~BTA_AV_ROLE_START_INT; |
| bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| /* start failed because of role switch. */ |
| start.chnl = p_scb->chnl; |
| start.status = BTA_AV_FAIL_ROLE; |
| start.hndl = p_scb->hndl; |
| start.initiator = initiator; |
| (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start); |
| } |
| else |
| { |
| bta_av_start_ok(p_scb, p_data); |
| } |
| } |
| else if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_START) |
| p_scb->wait |= BTA_AV_WAIT_ROLE_SW_FAILED; |
| } |
| else if (p_scb->q_tag == BTA_AV_Q_TAG_OPEN) |
| { |
| if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_OPEN) |
| { |
| p_scb->role &= ~BTA_AV_ROLE_START_INT; |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; |
| |
| if (p_data->role_res.hci_status != HCI_SUCCESS) |
| { |
| /* Open failed because of role switch. */ |
| bdcpy(av_open.bd_addr, p_scb->peer_addr); |
| av_open.chnl = p_scb->chnl; |
| av_open.hndl = p_scb->hndl; |
| start.status = BTA_AV_FAIL_ROLE; |
| (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV *)&av_open); |
| } |
| else |
| { |
| /* Continue av open process */ |
| p_scb->q_info.open.switch_res = BTA_AV_RS_DONE; |
| bta_av_do_disc_a2d (p_scb, (tBTA_AV_DATA *)&(p_scb->q_info.open)); |
| } |
| } |
| else |
| { |
| APPL_TRACE_WARNING2 ("Unexpected role switch event: q_tag = %d wait = %d", p_scb->q_tag, p_scb->wait); |
| } |
| } |
| |
| APPL_TRACE_DEBUG2("wait:x%x, role:x%x", p_scb->wait, p_scb->role); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_delay_co |
| ** |
| ** Description Call the delay call-out function to report the delay report |
| ** from SNK |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_delay_co (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| p_scb->p_cos->delay(p_scb->hndl, p_data->str_msg.msg.delay_rpt_cmd.delay); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_do_disc_a2d |
| ** |
| ** Description Do service discovery for A2DP. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_do_disc_a2d (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| BOOLEAN ok_continue = FALSE; |
| tA2D_SDP_DB_PARAMS db_params; |
| UINT16 attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST, |
| ATTR_ID_PROTOCOL_DESC_LIST, |
| ATTR_ID_BT_PROFILE_DESC_LIST}; |
| |
| APPL_TRACE_DEBUG3("bta_av_do_disc_a2d use_rc: %d rs:%d, oc:%d", |
| p_data->api_open.use_rc, p_data->api_open.switch_res, bta_av_cb.audio_open_cnt); |
| |
| memcpy (&(p_scb->open_api), &(p_data->api_open), sizeof(tBTA_AV_API_OPEN)); |
| |
| switch(p_data->api_open.switch_res) |
| { |
| case BTA_AV_RS_NONE: |
| if (bta_av_switch_if_needed(p_scb) || !bta_av_link_role_ok(p_scb, A2D_SET_MULTL_BIT)) |
| { |
| /* waiting for role switch result. save the api to control block */ |
| memcpy(&p_scb->q_info.open, &p_data->api_open, sizeof(tBTA_AV_API_OPEN)); |
| p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN; |
| p_scb->q_tag = BTA_AV_Q_TAG_OPEN; |
| } |
| else |
| { |
| ok_continue = TRUE; |
| } |
| break; |
| |
| case BTA_AV_RS_FAIL: |
| /* report a new failure event */ |
| p_scb->open_status = BTA_AV_FAIL_ROLE; |
| bta_av_ssm_execute(p_scb, BTA_AV_SDP_DISC_FAIL_EVT, NULL); |
| break; |
| |
| case BTA_AV_RS_OK: |
| p_data = (tBTA_AV_DATA *)&p_scb->q_info.open; |
| /* continue to open if link role is ok */ |
| if (bta_av_link_role_ok(p_scb, A2D_SET_MULTL_BIT)) |
| { |
| ok_continue = TRUE; |
| } |
| else |
| { |
| p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN; |
| } |
| break; |
| |
| case BTA_AV_RS_DONE: |
| ok_continue = TRUE; |
| break; |
| } |
| |
| APPL_TRACE_DEBUG3("ok_continue: %d wait:x%x, q_tag: %d", ok_continue, p_scb->wait, p_scb->q_tag); |
| if (!ok_continue) |
| return; |
| |
| /* clear the role switch bits */ |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; |
| |
| if (p_scb->wait & BTA_AV_WAIT_CHECK_RC) |
| { |
| p_scb->wait &= ~BTA_AV_WAIT_CHECK_RC; |
| bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RC_DISC_TIME_VAL); |
| } |
| |
| if (bta_av_cb.features & BTA_AV_FEAT_MASTER) |
| { |
| L2CA_SetDesireRole(L2CAP_ROLE_DISALLOW_SWITCH); |
| |
| if (bta_av_cb.audio_open_cnt == 1) |
| { |
| /* there's already an A2DP connection. do not allow switch */ |
| bta_sys_clear_default_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH); |
| } |
| } |
| /* store peer addr other parameters */ |
| bta_av_save_addr(p_scb, p_data->api_open.bd_addr); |
| p_scb->sec_mask = p_data->api_open.sec_mask; |
| p_scb->use_rc = p_data->api_open.use_rc; |
| |
| bta_sys_app_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); |
| |
| /* allocate discovery database */ |
| if (p_scb->p_disc_db == NULL) |
| { |
| p_scb->p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(BTA_AV_DISC_BUF_SIZE); |
| } |
| |
| /* only one A2D find service is active at a time */ |
| bta_av_cb.handle = p_scb->hndl; |
| |
| if(p_scb->p_disc_db) |
| { |
| /* set up parameters */ |
| db_params.db_len = BTA_AV_DISC_BUF_SIZE; |
| db_params.num_attr = 3; |
| db_params.p_db = p_scb->p_disc_db; |
| db_params.p_attrs = attr_list; |
| |
| if(A2D_FindService(UUID_SERVCLASS_AUDIO_SINK, p_scb->peer_addr, &db_params, |
| bta_av_a2d_sdp_cback) == A2D_SUCCESS) |
| { |
| return; |
| } |
| } |
| |
| /* when the code reaches here, either the DB is NULL |
| * or A2D_FindService is not successful */ |
| bta_av_a2d_sdp_cback(FALSE, NULL); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_cleanup |
| ** |
| ** Description cleanup AV stream control block. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_cleanup(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_CONN_CHG msg; |
| int xx; |
| UINT8 role = BTA_AV_ROLE_AD_INT; |
| UNUSED(p_data); |
| |
| APPL_TRACE_DEBUG0("bta_av_cleanup"); |
| |
| /* free any buffers */ |
| utl_freebuf((void **) &p_scb->p_cap); |
| utl_freebuf((void **) &p_scb->p_disc_db); |
| p_scb->avdt_version = 0; |
| |
| /* initialize some control block variables */ |
| p_scb->open_status = BTA_AV_SUCCESS; |
| |
| /* if de-registering shut everything down */ |
| msg.hdr.layer_specific = p_scb->hndl; |
| p_scb->started = FALSE; |
| p_scb->cong = FALSE; |
| p_scb->role = role; |
| p_scb->cur_psc_mask = 0; |
| p_scb->wait = 0; |
| p_scb->num_disc_snks = 0; |
| bta_sys_stop_timer(&p_scb->timer); |
| if (p_scb->deregistring) |
| { |
| /* remove stream */ |
| for(xx=0; xx<BTA_AV_MAX_SEPS; xx++) |
| { |
| if(p_scb->seps[xx].av_handle) |
| AVDT_RemoveStream(p_scb->seps[xx].av_handle); |
| p_scb->seps[xx].av_handle = 0; |
| } |
| |
| bta_av_dereg_comp((tBTA_AV_DATA *) &msg); |
| } |
| else |
| { |
| /* report stream closed to main SM */ |
| msg.is_up = FALSE; |
| bdcpy(msg.peer_addr, p_scb->peer_addr); |
| bta_av_conn_chg((tBTA_AV_DATA *) &msg); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_free_sdb |
| ** |
| ** Description Free service discovery db buffer. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_free_sdb(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UNUSED(p_data); |
| utl_freebuf((void **) &p_scb->p_disc_db); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_config_ind |
| ** |
| ** Description Handle a stream configuration indication from the peer. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_config_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_CI_SETCONFIG setconfig; |
| tAVDT_SEP_INFO *p_info; |
| tAVDT_CFG *p_evt_cfg = &p_data->str_msg.cfg; |
| UINT8 psc_mask = (p_evt_cfg->psc_mask | p_scb->cfg.psc_mask); |
| UNUSED(p_data); |
| |
| p_scb->avdt_label = p_data->str_msg.msg.hdr.label; |
| memcpy(p_scb->cfg.codec_info, p_evt_cfg->codec_info, AVDT_CODEC_SIZE); |
| p_scb->codec_type = p_evt_cfg->codec_info[BTA_AV_CODEC_TYPE_IDX]; |
| bta_av_save_addr(p_scb, p_data->str_msg.bd_addr); |
| |
| /* Clear collision mask */ |
| p_scb->coll_mask = 0; |
| bta_sys_stop_timer(&bta_av_cb.acp_sig_tmr); |
| |
| /* if no codec parameters in configuration, fail */ |
| if ((p_evt_cfg->num_codec == 0) || |
| /* or the peer requests for a service we do not support */ |
| ((psc_mask != p_scb->cfg.psc_mask) && |
| (psc_mask != (p_scb->cfg.psc_mask&~AVDT_PSC_DELAY_RPT))) ) |
| { |
| setconfig.hndl = p_scb->hndl; /* we may not need this */ |
| setconfig.err_code = AVDT_ERR_UNSUP_CFG; |
| bta_av_ssm_execute(p_scb, BTA_AV_CI_SETCONFIG_FAIL_EVT, (tBTA_AV_DATA *) &setconfig); |
| } |
| else |
| { |
| p_info = &p_scb->sep_info[0]; |
| p_info->in_use = 0; |
| p_info->media_type = p_scb->media_type; |
| p_info->seid = p_data->str_msg.msg.config_ind.int_seid; |
| p_info->tsep = AVDT_TSEP_SNK; |
| p_scb->role |= BTA_AV_ROLE_AD_ACP; |
| p_scb->cur_psc_mask = p_evt_cfg->psc_mask; |
| if (bta_av_cb.features & BTA_AV_FEAT_RCTG) |
| p_scb->use_rc = TRUE; |
| else |
| p_scb->use_rc = FALSE; |
| |
| p_scb->num_seps = 1; |
| p_scb->sep_info_idx = 0; |
| APPL_TRACE_DEBUG3("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); |
| |
| p_scb->p_cos->setcfg(p_scb->hndl, p_scb->codec_type, |
| p_evt_cfg->codec_info, |
| p_info->seid, |
| p_scb->peer_addr, |
| p_evt_cfg->num_protect, |
| p_evt_cfg->protect_info); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_disconnect_req |
| ** |
| ** Description Disconnect AVDTP connection. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_disconnect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_RCB *p_rcb; |
| UNUSED(p_data); |
| |
| APPL_TRACE_DEBUG1("bta_av_disconnect_req conn_lcb: 0x%x", bta_av_cb.conn_lcb); |
| |
| bta_sys_stop_timer(&bta_av_cb.sig_tmr); |
| bta_sys_stop_timer(&p_scb->timer); |
| if(bta_av_cb.conn_lcb) |
| { |
| p_rcb = bta_av_get_rcb_by_shdl((UINT8)(p_scb->hdi + 1)); |
| if (p_rcb) |
| bta_av_del_rc(p_rcb); |
| AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]); |
| } |
| else |
| { |
| bta_av_ssm_execute(p_scb, BTA_AV_AVDT_DISCONNECT_EVT, NULL); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_security_req |
| ** |
| ** Description Send an AVDTP security request. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_security_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) |
| { |
| AVDT_SecurityReq(p_scb->avdt_handle, p_data->api_protect_req.p_data, |
| p_data->api_protect_req.len); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_security_rsp |
| ** |
| ** Description Send an AVDTP security response. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_security_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) |
| { |
| AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, p_data->api_protect_rsp.error_code, |
| p_data->api_protect_rsp.p_data, p_data->api_protect_rsp.len); |
| } |
| else |
| { |
| AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_NSC, |
| NULL, 0); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_setconfig_rsp |
| ** |
| ** Description setconfig is OK |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_setconfig_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UINT8 num = p_data->ci_setconfig.num_seid + 1; |
| UINT8 *p_seid = p_data->ci_setconfig.p_seid; |
| int i; |
| |
| /* we like this codec_type. find the sep_idx */ |
| bta_av_adjust_seps_idx(p_scb); |
| APPL_TRACE_DEBUG2("bta_av_setconfig_rsp: sep_idx: %d cur_psc_mask:0x%x", p_scb->sep_idx, p_scb->cur_psc_mask); |
| AVDT_ConfigRsp(p_scb->avdt_handle, p_scb->avdt_label, p_data->ci_setconfig.err_code, |
| p_data->ci_setconfig.category); |
| |
| bta_sys_stop_timer(&bta_av_cb.sig_tmr); |
| |
| if(p_data->ci_setconfig.err_code == AVDT_SUCCESS) |
| { |
| p_scb->wait = BTA_AV_WAIT_ACP_CAPS_ON; |
| if(p_data->ci_setconfig.recfg_needed) |
| p_scb->role |= BTA_AV_ROLE_SUSPEND_OPT; |
| APPL_TRACE_ERROR3("bta_av_setconfig_rsp recfg_needed:%d role:x%x num:%d", |
| p_data->ci_setconfig.recfg_needed, p_scb->role, num); |
| /* callout module tells BTA the number of "good" SEPs and their SEIDs. |
| * getcap on these SEID */ |
| p_scb->num_seps = num; |
| |
| if (p_scb->cur_psc_mask & AVDT_PSC_DELAY_RPT) |
| p_scb->avdt_version = AVDT_VERSION_SYNC; |
| |
| |
| if (p_scb->codec_type == BTA_AV_CODEC_SBC || num > 1) |
| { |
| /* if SBC is used by the SNK as INT, discover req is not sent in bta_av_config_ind. |
| * call disc_res now */ |
| p_scb->p_cos->disc_res(p_scb->hndl, num, num, p_scb->peer_addr); |
| } |
| else |
| { |
| /* we do not know the peer device and it is using non-SBC codec |
| * we need to know all the SEPs on SNK */ |
| bta_av_discover_req(p_scb, NULL); |
| return; |
| } |
| |
| for (i = 1; i < num; i++) |
| { |
| APPL_TRACE_DEBUG2("sep_info[%d] SEID: %d", i, p_seid[i-1]); |
| /* initialize the sep_info[] to get capabilities */ |
| p_scb->sep_info[i].in_use = FALSE; |
| p_scb->sep_info[i].tsep = AVDT_TSEP_SNK; |
| p_scb->sep_info[i].media_type = p_scb->media_type; |
| p_scb->sep_info[i].seid = p_seid[i-1]; |
| } |
| bta_av_next_getcap(p_scb, p_data); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_str_opened |
| ** |
| ** Description Stream opened OK (incoming/outgoing). |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_CONN_CHG msg; |
| tBTA_AV_OPEN open; |
| UINT8 *p; |
| UINT16 mtu; |
| |
| msg.hdr.layer_specific = p_scb->hndl; |
| msg.is_up = TRUE; |
| bdcpy(msg.peer_addr, p_scb->peer_addr); |
| p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle); |
| bta_av_conn_chg((tBTA_AV_DATA *) &msg); |
| /* set the congestion flag, so AV would not send media packets by accident */ |
| p_scb->cong = TRUE; |
| |
| |
| p_scb->stream_mtu = p_data->str_msg.msg.open_ind.peer_mtu - AVDT_MEDIA_HDR_SIZE; |
| mtu = bta_av_chk_mtu(p_scb, p_scb->stream_mtu); |
| APPL_TRACE_DEBUG3("bta_av_str_opened l2c_cid: 0x%x stream_mtu: %d mtu: %d", |
| p_scb->l2c_cid, p_scb->stream_mtu, mtu); |
| if(mtu == 0 || mtu > p_scb->stream_mtu) |
| mtu = p_scb->stream_mtu; |
| |
| /* Set the media channel as medium priority */ |
| L2CA_SetTxPriority(p_scb->l2c_cid, L2CAP_CHNL_PRIORITY_MEDIUM); |
| L2CA_SetChnlFlushability (p_scb->l2c_cid, TRUE); |
| |
| bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); |
| memset(&p_scb->q_info, 0, sizeof(tBTA_AV_Q_INFO)); |
| |
| p_scb->l2c_bufs = 0; |
| p_scb->p_cos->open(p_scb->hndl, |
| p_scb->codec_type, p_scb->cfg.codec_info, mtu); |
| |
| { |
| /* TODO check if other audio channel is open. |
| * If yes, check if reconfig is needed |
| * Rigt now we do not do this kind of checking. |
| * BTA-AV is INT for 2nd audio connection. |
| * The application needs to make sure the current codec_info is proper. |
| * If one audio connection is open and another SNK attempts to connect to AV, |
| * the connection will be rejected. |
| */ |
| /* check if other audio channel is started. If yes, start */ |
| bdcpy(open.bd_addr, p_scb->peer_addr); |
| open.chnl = p_scb->chnl; |
| open.hndl = p_scb->hndl; |
| open.status = BTA_AV_SUCCESS; |
| open.starting = bta_av_chk_start(p_scb); |
| open.edr = 0; |
| if( NULL != (p = BTM_ReadRemoteFeatures(p_scb->peer_addr))) |
| { |
| if(HCI_EDR_ACL_2MPS_SUPPORTED(p)) |
| open.edr |= BTA_AV_EDR_2MBPS; |
| if(HCI_EDR_ACL_3MPS_SUPPORTED(p)) |
| open.edr |= BTA_AV_EDR_3MBPS; |
| } |
| #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) |
| bta_ar_avdt_conn(BTA_ID_AV, open.bd_addr); |
| #endif |
| (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV *) &open); |
| if(open.starting) |
| { |
| bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_security_ind |
| ** |
| ** Description Handle an AVDTP security indication. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_security_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_PROTECT_REQ protect_req; |
| |
| p_scb->avdt_label = p_data->str_msg.msg.hdr.label; |
| |
| if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) |
| { |
| protect_req.chnl = p_scb->chnl; |
| protect_req.hndl = p_scb->hndl; |
| /* |
| APPL_TRACE_EVENT1("sec ind handle: x%x", protect_req.hndl); |
| */ |
| protect_req.p_data = p_data->str_msg.msg.security_ind.p_data; |
| protect_req.len = p_data->str_msg.msg.security_ind.len; |
| |
| (*bta_av_cb.p_cback)(BTA_AV_PROTECT_REQ_EVT, (tBTA_AV *) &protect_req); |
| } |
| /* app doesn't support security indication; respond with failure */ |
| else |
| { |
| AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_NSC, NULL, 0); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_security_cfm |
| ** |
| ** Description Handle an AVDTP security confirm. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_security_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_PROTECT_RSP protect_rsp; |
| |
| if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) |
| { |
| protect_rsp.chnl = p_scb->chnl; |
| protect_rsp.hndl = p_scb->hndl; |
| protect_rsp.p_data = p_data->str_msg.msg.security_cfm.p_data; |
| protect_rsp.len = p_data->str_msg.msg.security_cfm.len; |
| protect_rsp.err_code= p_data->str_msg.msg.hdr.err_code; |
| |
| (*bta_av_cb.p_cback)(BTA_AV_PROTECT_RSP_EVT, (tBTA_AV *) &protect_rsp); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_do_close |
| ** |
| ** Description Close stream. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_do_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UNUSED(p_data); |
| |
| /* stop stream if started */ |
| if (p_scb->co_started) |
| { |
| bta_av_str_stopped(p_scb, NULL); |
| } |
| bta_sys_stop_timer(&bta_av_cb.sig_tmr); |
| |
| /* close stream */ |
| p_scb->started = FALSE; |
| |
| /* drop the buffers queued in L2CAP */ |
| L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); |
| |
| AVDT_CloseReq(p_scb->avdt_handle); |
| /* just in case that the link is congested, link is flow controled by peer or |
| * for whatever reason the the close request can not be sent in time. |
| * when this timer expires, AVDT_DisconnectReq will be called to disconnect the link |
| */ |
| bta_sys_start_timer(&p_scb->timer, |
| (UINT16)BTA_AV_API_CLOSE_EVT, |
| BTA_AV_CLOSE_REQ_TIME_VAL); |
| |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_connect_req |
| ** |
| ** Description Connect AVDTP connection. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_connect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UNUSED(p_data); |
| |
| utl_freebuf((void **) &p_scb->p_disc_db); |
| |
| if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR) |
| { |
| /* SNK initiated L2C connection while SRC was doing SDP. */ |
| /* Wait until timeout to check if SNK starts signalling. */ |
| APPL_TRACE_EVENT1("bta_av_connect_req: coll_mask = 0x%2X", p_scb->coll_mask); |
| return; |
| } |
| |
| AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, bta_av_dt_cback[p_scb->hdi]); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_sdp_failed |
| ** |
| ** Description Service discovery failed. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_sdp_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| if (!p_scb->open_status) |
| p_scb->open_status = BTA_AV_FAIL_SDP; |
| |
| utl_freebuf((void **) &p_scb->p_disc_db); |
| bta_av_str_closed(p_scb, p_data); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_disc_results |
| ** |
| ** Description Handle the AVDTP discover results. Search through the |
| ** results and find the first available stream, and get |
| ** its capabilities. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_disc_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UINT8 num_snks = 0, i; |
| |
| /* store number of stream endpoints returned */ |
| p_scb->num_seps = p_data->str_msg.msg.discover_cfm.num_seps; |
| |
| for (i = 0; i < p_scb->num_seps; i++) |
| { |
| /* steam not in use, is a sink, and is audio */ |
| if ((p_scb->sep_info[i].in_use == FALSE) && |
| (p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) && |
| (p_scb->sep_info[i].media_type == p_scb->media_type)) |
| { |
| num_snks++; |
| } |
| } |
| |
| p_scb->p_cos->disc_res(p_scb->hndl, p_scb->num_seps, num_snks, p_scb->peer_addr); |
| p_scb->num_disc_snks = num_snks; |
| |
| /* if we got any */ |
| if (p_scb->num_seps > 0) |
| { |
| /* initialize index into discovery results */ |
| p_scb->sep_info_idx = 0; |
| |
| /* get the capabilities of the first available stream */ |
| bta_av_next_getcap(p_scb, p_data); |
| } |
| /* else we got discover response but with no streams; we're done */ |
| else |
| { |
| bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, p_data); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_disc_res_as_acp |
| ** |
| ** Description Handle the AVDTP discover results. Search through the |
| ** results and find the first available stream, and get |
| ** its capabilities. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_disc_res_as_acp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UINT8 num_snks = 0, i; |
| |
| /* store number of stream endpoints returned */ |
| p_scb->num_seps = p_data->str_msg.msg.discover_cfm.num_seps; |
| |
| |
| |
| for (i = 0; i < p_scb->num_seps; i++) |
| { |
| /* steam is a sink, and is audio */ |
| if ((p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) && |
| (p_scb->sep_info[i].media_type == p_scb->media_type)) |
| { |
| p_scb->sep_info[i].in_use = FALSE; |
| num_snks++; |
| } |
| } |
| |
| p_scb->p_cos->disc_res(p_scb->hndl, p_scb->num_seps, num_snks, p_scb->peer_addr); |
| p_scb->num_disc_snks = num_snks; |
| |
| /* if we got any */ |
| if (p_scb->num_seps > 0) |
| { |
| /* initialize index into discovery results */ |
| p_scb->sep_info_idx = 0; |
| |
| /* get the capabilities of the first available stream */ |
| bta_av_next_getcap(p_scb, p_data); |
| } |
| /* else we got discover response but with no streams; we're done */ |
| else |
| { |
| bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, p_data); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_save_caps |
| ** |
| ** Description report the SNK SEP capabilities to application |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_save_caps(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tAVDT_CFG cfg; |
| tAVDT_SEP_INFO *p_info = &p_scb->sep_info[p_scb->sep_info_idx]; |
| UINT8 old_wait = p_scb->wait; |
| BOOLEAN getcap_done = FALSE; |
| |
| APPL_TRACE_DEBUG3("bta_av_save_caps num_seps:%d sep_info_idx:%d wait:x%x", |
| p_scb->num_seps, p_scb->sep_info_idx, p_scb->wait); |
| memcpy(&cfg, p_scb->p_cap, sizeof(tAVDT_CFG)); |
| /* let application know the capability of the SNK */ |
| p_scb->p_cos->getcfg(p_scb->hndl, cfg.codec_info[BTA_AV_CODEC_TYPE_IDX], |
| cfg.codec_info, &p_scb->sep_info_idx, p_info->seid, |
| &cfg.num_protect, cfg.protect_info); |
| |
| p_scb->sep_info_idx++; |
| if(p_scb->num_seps > p_scb->sep_info_idx) |
| { |
| /* Some devices have seps at the end of the discover list, which is not */ |
| /* matching media type(video not audio). */ |
| /* In this case, we are done with getcap without sending another */ |
| /* request to AVDT. */ |
| if (!bta_av_next_getcap(p_scb, p_data)) |
| getcap_done = TRUE; |
| } |
| else |
| getcap_done = TRUE; |
| |
| if (getcap_done) |
| { |
| /* we are done getting capabilities. restore the p_cb->sep_info_idx */ |
| p_scb->sep_info_idx = 0; |
| p_scb->wait &= ~(BTA_AV_WAIT_ACP_CAPS_ON|BTA_AV_WAIT_ACP_CAPS_STARTED); |
| if (old_wait & BTA_AV_WAIT_ACP_CAPS_STARTED) |
| { |
| bta_av_start_ok (p_scb, NULL); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_set_use_rc |
| ** |
| ** Description set to use AVRC for this stream control block. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_set_use_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UNUSED(p_data); |
| |
| p_scb->use_rc = TRUE; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_cco_close |
| ** |
| ** Description call close call-out function. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_cco_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UINT16 mtu; |
| UNUSED(p_data); |
| |
| mtu = bta_av_chk_mtu(p_scb, BTA_AV_MAX_A2DP_MTU); |
| |
| p_scb->p_cos->close(p_scb->hndl, p_scb->codec_type, mtu); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_open_failed |
| ** |
| ** Description Failed to open an AVDT stream |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_open_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| |
| BOOLEAN is_av_opened = FALSE; |
| tBTA_AV_SCB * p_opened_scb = NULL; |
| UINT8 idx; |
| tBTA_AV_OPEN open; |
| |
| APPL_TRACE_DEBUG0("bta_av_open_failed"); |
| p_scb->open_status = BTA_AV_FAIL_STREAM; |
| bta_av_cco_close(p_scb, p_data); |
| |
| /* check whether there is already an opened audio or video connection with the same device */ |
| for (idx = 0; (idx < BTA_AV_NUM_STRS) && (is_av_opened == FALSE); idx++ ) |
| { |
| p_opened_scb = bta_av_cb.p_scb[idx]; |
| if (p_opened_scb && (p_opened_scb->state == BTA_AV_OPEN_SST) && (!bdcmp(p_opened_scb->peer_addr,p_scb->peer_addr )) ) |
| is_av_opened = TRUE; |
| |
| } |
| |
| /* if there is already an active AV connnection with the same bd_addr, |
| don't send disconnect req, just report the open event with BTA_AV_FAIL_GET_CAP status */ |
| if (is_av_opened == TRUE) |
| { |
| bdcpy(open.bd_addr, p_scb->peer_addr); |
| open.chnl = p_scb->chnl; |
| open.hndl = p_scb->hndl; |
| open.status = BTA_AV_FAIL_GET_CAP; |
| open.starting = bta_av_chk_start(p_scb); |
| open.edr = 0; |
| /* set the state back to initial state */ |
| bta_av_set_scb_sst_init(p_scb); |
| |
| (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV *) &open); |
| |
| } |
| else |
| { |
| AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]); |
| } |
| } |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_getcap_results |
| ** |
| ** Description Handle the AVDTP get capabilities results. Check the codec |
| ** type and see if it matches ours. If it does not, get the |
| ** capabilities of the next stream, if any. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_getcap_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tAVDT_CFG cfg; |
| UINT8 media_type; |
| tAVDT_SEP_INFO *p_info = &p_scb->sep_info[p_scb->sep_info_idx]; |
| |
| memcpy(&cfg, &p_scb->cfg, sizeof(tAVDT_CFG)); |
| cfg.num_codec = 1; |
| cfg.num_protect = p_scb->p_cap->num_protect; |
| memcpy(cfg.codec_info, p_scb->p_cap->codec_info, AVDT_CODEC_SIZE); |
| memcpy(cfg.protect_info, p_scb->p_cap->protect_info, AVDT_PROTECT_SIZE); |
| media_type = p_scb->p_cap->codec_info[BTA_AV_MEDIA_TYPE_IDX] >> 4; |
| |
| APPL_TRACE_DEBUG1("num_codec %d", p_scb->p_cap->num_codec); |
| APPL_TRACE_DEBUG2("media type x%x, x%x", media_type, p_scb->media_type); |
| #if AVDT_MULTIPLEXING == TRUE |
| APPL_TRACE_DEBUG2("mux x%x, x%x", cfg.mux_mask, p_scb->p_cap->mux_mask); |
| #endif |
| |
| /* if codec present and we get a codec configuration */ |
| if ((p_scb->p_cap->num_codec != 0) && |
| (media_type == p_scb->media_type) && |
| (p_scb->p_cos->getcfg(p_scb->hndl, p_scb->p_cap->codec_info[BTA_AV_CODEC_TYPE_IDX], |
| cfg.codec_info, &p_scb->sep_info_idx, p_info->seid, |
| &cfg.num_protect, cfg.protect_info) == 0)) |
| { |
| #if AVDT_MULTIPLEXING == TRUE |
| cfg.mux_mask &= p_scb->p_cap->mux_mask; |
| APPL_TRACE_DEBUG1("mux_mask used x%x", cfg.mux_mask); |
| #endif |
| /* save copy of codec type and configuration */ |
| p_scb->codec_type = cfg.codec_info[BTA_AV_CODEC_TYPE_IDX]; |
| memcpy(&p_scb->cfg, &cfg, sizeof(tAVDT_CFG)); |
| bta_av_adjust_seps_idx(p_scb); |
| /* use only the services peer supports */ |
| cfg.psc_mask &= p_scb->p_cap->psc_mask; |
| p_scb->cur_psc_mask = cfg.psc_mask; |
| |
| /* open the stream */ |
| AVDT_OpenReq(p_scb->seps[p_scb->sep_idx].av_handle, p_scb->peer_addr, |
| p_scb->sep_info[p_scb->sep_info_idx].seid, &cfg); |
| |
| if (!bta_av_is_rcfg_sst(p_scb)) |
| { |
| /* free capabilities buffer */ |
| utl_freebuf((void **) &p_scb->p_cap); |
| } |
| } |
| else |
| { |
| /* try the next stream, if any */ |
| p_scb->sep_info_idx++; |
| bta_av_next_getcap(p_scb, p_data); |
| } |
| |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_setconfig_rej |
| ** |
| ** Description Send AVDTP set config reject. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_setconfig_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_REJECT reject; |
| |
| APPL_TRACE_DEBUG0("bta_av_setconfig_rej"); |
| AVDT_ConfigRsp(p_data->str_msg.handle, p_data->str_msg.msg.hdr.label, AVDT_ERR_BAD_STATE, 0); |
| bdcpy(reject.bd_addr, p_data->str_msg.bd_addr); |
| reject.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_REJECT_EVT, (tBTA_AV *) &reject); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_discover_req |
| ** |
| ** Description Send an AVDTP discover request to the peer. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_discover_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UNUSED(p_data); |
| |
| /* send avdtp discover request */ |
| |
| AVDT_DiscoverReq(p_scb->peer_addr, p_scb->sep_info, BTA_AV_NUM_SEPS, bta_av_dt_cback[p_scb->hdi]); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_conn_failed |
| ** |
| ** Description AVDTP connection failed. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_conn_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| p_scb->open_status = BTA_AV_FAIL_STREAM; |
| bta_av_str_closed(p_scb, p_data); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_do_start |
| ** |
| ** Description Start stream. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_do_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UINT8 policy = HCI_ENABLE_SNIFF_MODE; |
| UINT8 cur_role; |
| |
| APPL_TRACE_DEBUG3("bta_av_do_start sco_occupied:%d, role:x%x, started:%d", bta_av_cb.sco_occupied, p_scb->role, p_scb->started); |
| if (bta_av_cb.sco_occupied) |
| { |
| bta_av_start_failed(p_scb, p_data); |
| return; |
| } |
| |
| /* disallow role switch during streaming, only if we are the master role |
| * i.e. allow role switch, if we are slave. |
| * It would not hurt us, if the peer device wants us to be master */ |
| if ((BTM_GetRole (p_scb->peer_addr, &cur_role) == BTM_SUCCESS) && |
| (cur_role == BTM_ROLE_MASTER) ) |
| { |
| policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; |
| } |
| |
| bta_sys_clear_policy(BTA_ID_AV, policy, p_scb->peer_addr); |
| |
| if ((p_scb->started == FALSE) && ((p_scb->role & BTA_AV_ROLE_START_INT) == 0)) |
| { |
| p_scb->role |= BTA_AV_ROLE_START_INT; |
| bta_sys_busy(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| |
| AVDT_StartReq(&p_scb->avdt_handle, 1); |
| } |
| else if (p_scb->started) |
| { |
| p_scb->role |= BTA_AV_ROLE_START_INT; |
| if ( p_scb->wait == 0 ) { |
| if (p_scb->role & BTA_AV_ROLE_SUSPEND) { |
| notify_start_failed(p_scb); |
| } else { |
| bta_av_start_ok(p_scb, NULL); |
| } |
| } |
| } |
| APPL_TRACE_DEBUG2("started %d role:x%x", p_scb->started, p_scb->role); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_str_stopped |
| ** |
| ** Description Stream stopped. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_str_stopped (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_SUSPEND suspend_rsp; |
| UINT8 start = p_scb->started; |
| BOOLEAN sus_evt = TRUE; |
| BT_HDR *p_buf; |
| UINT8 policy = HCI_ENABLE_SNIFF_MODE; |
| |
| APPL_TRACE_ERROR2("bta_av_str_stopped:audio_open_cnt=%d, p_data %x", |
| bta_av_cb.audio_open_cnt, p_data); |
| |
| bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || bta_av_cb.audio_open_cnt == 1) |
| policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; |
| bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr); |
| |
| if(p_scb->co_started) |
| { |
| bta_av_stream_chg(p_scb, FALSE); |
| p_scb->co_started = FALSE; |
| |
| p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type); |
| L2CA_SetFlushTimeout(p_scb->peer_addr, L2CAP_DEFAULT_FLUSH_TO); |
| } |
| |
| /* if q_info.a2d is not empty, drop it now */ |
| if(BTA_AV_CHNL_AUDIO == p_scb->chnl) |
| { |
| while((p_buf = (BT_HDR*)GKI_dequeue (&p_scb->q_info.a2d)) != NULL) |
| GKI_freebuf(p_buf); |
| |
| /* drop the audio buffers queued in L2CAP */ |
| if(p_data && p_data->api_stop.flush) |
| L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); |
| } |
| |
| suspend_rsp.chnl = p_scb->chnl; |
| suspend_rsp.hndl = p_scb->hndl; |
| |
| if (p_data && p_data->api_stop.suspend) |
| { |
| APPL_TRACE_DEBUG2("suspending: %d, sup:%d", start, p_scb->suspend_sup); |
| if ((start) && (p_scb->suspend_sup)) |
| { |
| sus_evt = FALSE; |
| p_scb->l2c_bufs = 0; |
| AVDT_SuspendReq(&p_scb->avdt_handle, 1); |
| } |
| |
| /* send SUSPEND_EVT event only if not in reconfiguring state and sus_evt is TRUE*/ |
| if ((sus_evt)&&(p_scb->state != BTA_AV_RCFG_SST)) |
| { |
| suspend_rsp.status = BTA_AV_SUCCESS; |
| suspend_rsp.initiator = TRUE; |
| (*bta_av_cb.p_cback)(BTA_AV_SUSPEND_EVT, (tBTA_AV *) &suspend_rsp); |
| } |
| } |
| else |
| { |
| suspend_rsp.status = BTA_AV_SUCCESS; |
| suspend_rsp.initiator = TRUE; |
| APPL_TRACE_EVENT1("bta_av_str_stopped status %d", suspend_rsp.status); |
| |
| /* send STOP_EVT event only if not in reconfiguring state */ |
| if (p_scb->state != BTA_AV_RCFG_SST) |
| { |
| (*bta_av_cb.p_cback)(BTA_AV_STOP_EVT, (tBTA_AV *) &suspend_rsp); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_reconfig |
| ** |
| ** Description process the reconfigure request. |
| ** save the parameter in control block and |
| ** suspend, reconfigure or close the stream |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_reconfig (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tAVDT_CFG *p_cfg; |
| tBTA_AV_API_STOP stop; |
| tBTA_AV_RECONFIG evt; |
| tBTA_AV_API_RCFG *p_rcfg = &p_data->api_reconfig; |
| |
| APPL_TRACE_DEBUG4("bta_av_reconfig r:%d, s:%d idx: %d (o:%d)", |
| p_scb->recfg_sup, p_scb->suspend_sup, |
| p_scb->rcfg_idx, p_scb->sep_info_idx); |
| |
| p_scb->num_recfg = 0; |
| /* store the new configuration in control block */ |
| if (p_scb->p_cap == NULL) |
| { |
| p_scb->p_cap = (tAVDT_CFG *) GKI_getbuf(sizeof(tAVDT_CFG)); |
| } |
| if((p_cfg = p_scb->p_cap) == NULL) |
| { |
| /* report failure */ |
| evt.status = BTA_AV_FAIL_RESOURCES; |
| evt.chnl = p_scb->chnl; |
| evt.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt); |
| |
| /* this event is not possible in this state. |
| * use it to bring the SSM back to open state */ |
| bta_av_ssm_execute(p_scb, BTA_AV_SDP_DISC_OK_EVT, NULL); |
| return; |
| } |
| |
| /*if(bta_av_cb.features & BTA_AV_FEAT_RCCT)*/ |
| bta_sys_stop_timer(&p_scb->timer); |
| |
| memcpy(p_cfg, &p_scb->cfg, sizeof(tAVDT_CFG)); |
| p_cfg->num_protect = p_rcfg->num_protect; |
| memcpy(p_cfg->codec_info, p_rcfg->codec_info, AVDT_CODEC_SIZE); |
| memcpy(p_cfg->protect_info, p_rcfg->p_protect_info, p_rcfg->num_protect); |
| p_scb->rcfg_idx = p_rcfg->sep_info_idx; |
| p_scb->p_cap->psc_mask = p_scb->cur_psc_mask; |
| |
| /* if the requested index differs from the current one, we can only close/open */ |
| if ((p_scb->rcfg_idx == p_scb->sep_info_idx) && |
| (p_rcfg->suspend)&& (p_scb->recfg_sup) && (p_scb->suspend_sup)) |
| { |
| if(p_scb->started) |
| { |
| stop.flush = FALSE; |
| stop.suspend = TRUE; |
| bta_av_str_stopped(p_scb, (tBTA_AV_DATA *)&stop); |
| } |
| else |
| { |
| APPL_TRACE_DEBUG0("Reconfig"); |
| AVDT_ReconfigReq(p_scb->avdt_handle, p_scb->p_cap); |
| p_scb->p_cap->psc_mask = p_scb->cur_psc_mask; |
| } |
| } |
| else |
| { |
| /* close the stream */ |
| APPL_TRACE_DEBUG1("close/open num_protect: %d", p_cfg->num_protect); |
| if(p_scb->started) |
| bta_av_str_stopped(p_scb, NULL); |
| p_scb->started = FALSE; |
| |
| /* drop the buffers queued in L2CAP */ |
| L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); |
| |
| AVDT_CloseReq(p_scb->avdt_handle); |
| |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_data_path |
| ** |
| ** Description Handle stream data path. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_data_path (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| BT_HDR *p_buf; |
| UINT32 data_len; |
| UINT32 timestamp; |
| BOOLEAN new_buf = FALSE; |
| UINT8 m_pt = 0x60 | p_scb->codec_type; |
| tAVDT_DATA_OPT_MASK opt; |
| UNUSED(p_data); |
| |
| if (!p_scb->cong) |
| { |
| /* |
| APPL_TRACE_ERROR1("q: %d", p_scb->l2c_bufs); |
| */ |
| //Always get the current number of bufs que'd up |
| p_scb->l2c_bufs = (UINT8)L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_GET); |
| |
| p_buf = (BT_HDR *)GKI_dequeue (&p_scb->q_info.a2d); |
| if(p_buf) |
| { |
| /* use q_info.a2d data, read the timestamp */ |
| timestamp = *(UINT32 *)(p_buf + 1); |
| } |
| else |
| { |
| new_buf = TRUE; |
| /* q_info.a2d empty, call co_data, dup data to other channels */ |
| p_buf = (BT_HDR *)p_scb->p_cos->data(p_scb->codec_type, &data_len, |
| ×tamp); |
| |
| if (p_buf) |
| { |
| /* use the offset area for the time stamp */ |
| *(UINT32 *)(p_buf + 1) = timestamp; |
| |
| /* dup the data to other channels */ |
| bta_av_dup_audio_buf(p_scb, p_buf); |
| } |
| } |
| |
| if(p_buf) |
| { |
| if(p_scb->l2c_bufs < (BTA_AV_QUEUE_DATA_CHK_NUM)) |
| { |
| /* there's a buffer, just queue it to L2CAP */ |
| /* There's no need to increment it here, it is always read from L2CAP see above */ |
| /* p_scb->l2c_bufs++; */ |
| /* |
| APPL_TRACE_ERROR1("qw: %d", p_scb->l2c_bufs); |
| */ |
| |
| /* opt is a bit mask, it could have several options set */ |
| opt = AVDT_DATA_OPT_NONE; |
| if (p_scb->no_rtp_hdr) |
| { |
| opt |= AVDT_DATA_OPT_NO_RTP; |
| } |
| |
| AVDT_WriteReqOpt(p_scb->avdt_handle, p_buf, timestamp, m_pt, opt); |
| p_scb->cong = TRUE; |
| } |
| else |
| { |
| /* there's a buffer, but L2CAP does not seem to be moving data */ |
| if(new_buf) |
| { |
| /* just got this buffer from co_data, |
| * put it in queue */ |
| GKI_enqueue(&p_scb->q_info.a2d, p_buf); |
| } |
| else |
| { |
| /* just dequeue it from the q_info.a2d */ |
| if(p_scb->q_info.a2d.count < 3) |
| { |
| /* put it back to the queue */ |
| GKI_enqueue_head (&p_scb->q_info.a2d, p_buf); |
| } |
| else |
| { |
| /* too many buffers in q_info.a2d, drop it. */ |
| bta_av_co_audio_drop(p_scb->hndl); |
| GKI_freebuf(p_buf); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_start_ok |
| ** |
| ** Description Stream started. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_start_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_START start; |
| tBTA_AV_API_STOP stop; |
| BOOLEAN initiator = FALSE; |
| BOOLEAN suspend = FALSE; |
| UINT16 flush_to; |
| UINT8 new_role = p_scb->role; |
| BT_HDR hdr; |
| UINT8 policy = HCI_ENABLE_SNIFF_MODE; |
| UINT8 cur_role; |
| |
| APPL_TRACE_DEBUG2("bta_av_start_ok wait:x%x, role:x%x", p_scb->wait, p_scb->role); |
| |
| p_scb->started = TRUE; |
| if (p_scb->sco_suspend) |
| { |
| p_scb->sco_suspend = FALSE; |
| } |
| |
| if (new_role & BTA_AV_ROLE_START_INT) |
| initiator = TRUE; |
| |
| if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_FAILED) |
| { |
| /* role switch has failed */ |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_FAILED; |
| p_data = (tBTA_AV_DATA *)&hdr; |
| hdr.offset = BTA_AV_RS_FAIL; |
| } |
| APPL_TRACE_DEBUG1("wait:x%x", p_scb->wait); |
| |
| if (p_data && (p_data->hdr.offset != BTA_AV_RS_NONE)) |
| { |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; |
| if (p_data->hdr.offset == BTA_AV_RS_FAIL) |
| { |
| bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| start.chnl = p_scb->chnl; |
| start.status = BTA_AV_FAIL_ROLE; |
| start.hndl = p_scb->hndl; |
| start.initiator = initiator; |
| (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start); |
| return; |
| } |
| } |
| |
| if (!bta_av_link_role_ok(p_scb, A2D_SET_ONE_BIT)) |
| p_scb->q_tag = BTA_AV_Q_TAG_START; |
| else |
| { |
| /* The wait flag may be set here while we are already master on the link */ |
| /* this could happen if a role switch complete event occurred during reconfig */ |
| /* if we are now master on the link, there is no need to wait for the role switch, */ |
| /* complete anymore so we can clear the wait for role switch flag */ |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; |
| } |
| |
| if (p_scb->wait & (BTA_AV_WAIT_ROLE_SW_RES_OPEN|BTA_AV_WAIT_ROLE_SW_RES_START)) |
| { |
| p_scb->wait |= BTA_AV_WAIT_ROLE_SW_STARTED; |
| p_scb->q_tag = BTA_AV_Q_TAG_START; |
| } |
| |
| if (p_scb->wait & BTA_AV_WAIT_ACP_CAPS_ON) |
| { |
| p_scb->wait |= BTA_AV_WAIT_ACP_CAPS_STARTED; |
| } |
| |
| if (p_scb->wait) |
| { |
| APPL_TRACE_DEBUG2("wait:x%x q_tag:%d- not started", p_scb->wait, p_scb->q_tag); |
| return; |
| } |
| |
| /* tell role manager to check M/S role */ |
| bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); |
| |
| bta_sys_busy(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| |
| if(p_scb->media_type == AVDT_MEDIA_AUDIO) |
| { |
| /* in normal logic, conns should be bta_av_cb.audio_count - 1, |
| * However, bta_av_stream_chg is not called to increase bta_av_cb.audio_count yet. |
| * If the code were to be re-arranged for some reasons, this number may need to be changed |
| */ |
| p_scb->co_started = bta_av_cb.audio_open_cnt; |
| flush_to = p_bta_av_cfg->p_audio_flush_to[p_scb->co_started - 1]; |
| } |
| else |
| { |
| flush_to = p_bta_av_cfg->video_flush_to; |
| } |
| L2CA_SetFlushTimeout(p_scb->peer_addr, flush_to ); |
| |
| /* clear the congestion flag */ |
| p_scb->cong = FALSE; |
| |
| if (new_role & BTA_AV_ROLE_START_INT) |
| { |
| new_role &= ~BTA_AV_ROLE_START_INT; |
| } |
| else if ((new_role & BTA_AV_ROLE_AD_ACP) && (new_role & BTA_AV_ROLE_SUSPEND_OPT)) |
| { |
| suspend = TRUE; |
| } |
| |
| if (!suspend) |
| { |
| p_scb->q_tag = BTA_AV_Q_TAG_STREAM; |
| bta_av_stream_chg(p_scb, TRUE); |
| } |
| |
| { |
| /* If sink starts stream, disable sniff mode here */ |
| if (!initiator) |
| { |
| /* If souce is the master role, disable role switch during streaming. |
| * Otherwise allow role switch, if source is slave. |
| * Because it would not hurt source, if the peer device wants source to be master */ |
| if ((BTM_GetRole (p_scb->peer_addr, &cur_role) == BTM_SUCCESS) && |
| (cur_role == BTM_ROLE_MASTER) ) |
| { |
| policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; |
| } |
| |
| bta_sys_clear_policy(BTA_ID_AV, policy, p_scb->peer_addr); |
| } |
| |
| p_scb->role = new_role; |
| p_scb->role &= ~BTA_AV_ROLE_AD_ACP; |
| p_scb->role &= ~BTA_AV_ROLE_SUSPEND_OPT; |
| |
| p_scb->no_rtp_hdr = FALSE; |
| p_scb->p_cos->start(p_scb->hndl, p_scb->codec_type, p_scb->cfg.codec_info, &p_scb->no_rtp_hdr); |
| p_scb->co_started = TRUE; |
| |
| APPL_TRACE_DEBUG3("bta_av_start_ok suspending: %d, role:x%x, init %d", |
| suspend, p_scb->role, initiator); |
| |
| start.suspending = suspend; |
| start.initiator = initiator; |
| start.chnl = p_scb->chnl; |
| start.status = BTA_AV_SUCCESS; |
| start.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start); |
| |
| if(suspend) |
| { |
| p_scb->role |= BTA_AV_ROLE_SUSPEND; |
| p_scb->cong = TRUE; /* do not allow the media data to go through */ |
| /* do not duplicate the media packets to this channel */ |
| p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type); |
| p_scb->co_started = FALSE; |
| stop.flush = FALSE; |
| stop.suspend = TRUE; |
| bta_av_ssm_execute(p_scb, BTA_AV_AP_STOP_EVT, (tBTA_AV_DATA *)&stop); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_start_failed |
| ** |
| ** Description Stream start failed. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_start_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UNUSED(p_data); |
| |
| if(p_scb->started == FALSE && p_scb->co_started == FALSE) |
| { |
| bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| notify_start_failed(p_scb); |
| } |
| |
| bta_sys_set_policy(BTA_ID_AV, (HCI_ENABLE_SNIFF_MODE|HCI_ENABLE_MASTER_SLAVE_SWITCH), p_scb->peer_addr); |
| p_scb->sco_suspend = FALSE; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_str_closed |
| ** |
| ** Description Stream closed. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_str_closed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV data; |
| tBTA_AV_EVT event; |
| UINT16 mtu; |
| UINT8 policy = HCI_ENABLE_SNIFF_MODE; |
| |
| if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || bta_av_cb.audio_open_cnt == 1) |
| policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; |
| bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr); |
| if (bta_av_cb.audio_open_cnt <= 1) |
| { |
| /* last connection - restore the allow switch flag */ |
| L2CA_SetDesireRole(L2CAP_ROLE_ALLOW_SWITCH); |
| } |
| |
| if (p_scb->open_status) |
| { |
| /* must be failure when opening the stream */ |
| bdcpy(data.open.bd_addr, p_scb->peer_addr); |
| data.open.status = p_scb->open_status; |
| data.open.chnl = p_scb->chnl; |
| data.open.hndl = p_scb->hndl; |
| event = BTA_AV_OPEN_EVT; |
| p_scb->open_status = BTA_AV_SUCCESS; |
| |
| bta_sys_conn_close(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); |
| bta_av_cleanup(p_scb, p_data); |
| (*bta_av_cb.p_cback)(event, &data); |
| } |
| else |
| { |
| /* do stop if we were started */ |
| if (p_scb->co_started) |
| { |
| bta_av_str_stopped(p_scb, NULL); |
| } |
| |
| /* Update common mtu shared by remaining connectons */ |
| mtu = bta_av_chk_mtu(p_scb, BTA_AV_MAX_A2DP_MTU); |
| |
| { |
| p_scb->p_cos->close(p_scb->hndl, p_scb->codec_type, mtu); |
| data.close.chnl = p_scb->chnl; |
| data.close.hndl = p_scb->hndl; |
| event = BTA_AV_CLOSE_EVT; |
| |
| bta_sys_conn_close(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); |
| bta_av_cleanup(p_scb, p_data); |
| (*bta_av_cb.p_cback)(event, &data); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_clr_cong |
| ** |
| ** Description Clear stream congestion flag. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_clr_cong (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UNUSED(p_data); |
| |
| if(p_scb->co_started) |
| p_scb->cong = FALSE; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_suspend_cfm |
| ** |
| ** Description process the suspend response |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_suspend_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_SUSPEND suspend_rsp; |
| UINT8 err_code = p_data->str_msg.msg.hdr.err_code; |
| UINT8 policy = HCI_ENABLE_SNIFF_MODE; |
| |
| APPL_TRACE_DEBUG2 ("bta_av_suspend_cfm:audio_open_cnt = %d, err_code = %d", |
| bta_av_cb.audio_open_cnt, err_code); |
| |
| if (p_scb->started == FALSE) |
| { |
| /* handle the condition where there is a collision of SUSPEND req from either side |
| ** Second SUSPEND req could be rejected. Do not treat this as a failure |
| */ |
| APPL_TRACE_WARNING1("bta_av_suspend_cfm: already suspended, ignore, err_code %d", |
| err_code); |
| return; |
| } |
| |
| suspend_rsp.status = BTA_AV_SUCCESS; |
| if (err_code && (err_code != AVDT_ERR_BAD_STATE)) |
| { |
| /* Disable suspend feature only with explicit rejection(not with timeout) */ |
| if (err_code != AVDT_ERR_TIMEOUT) |
| { |
| p_scb->suspend_sup = FALSE; |
| } |
| suspend_rsp.status = BTA_AV_FAIL; |
| |
| APPL_TRACE_ERROR0 ("bta_av_suspend_cfm: suspend failed, closing connection"); |
| |
| /* SUSPEND failed. Close connection. */ |
| bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, NULL); |
| } |
| else |
| { |
| /* only set started to FALSE when suspend is successful */ |
| p_scb->started = FALSE; |
| } |
| |
| if (p_scb->role & BTA_AV_ROLE_SUSPEND) |
| { |
| p_scb->role &= ~BTA_AV_ROLE_SUSPEND; |
| p_scb->cong = FALSE; |
| } |
| |
| bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || bta_av_cb.audio_open_cnt == 1) |
| policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; |
| bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr); |
| |
| /* in case that we received suspend_ind, we may need to call co_stop here */ |
| if(p_scb->co_started) |
| { |
| bta_av_stream_chg(p_scb, FALSE); |
| |
| { |
| p_scb->co_started = FALSE; |
| p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type); |
| } |
| L2CA_SetFlushTimeout(p_scb->peer_addr, L2CAP_DEFAULT_FLUSH_TO); |
| } |
| |
| { |
| suspend_rsp.chnl = p_scb->chnl; |
| suspend_rsp.hndl = p_scb->hndl; |
| suspend_rsp.initiator = p_data->str_msg.initiator; |
| (*bta_av_cb.p_cback)(BTA_AV_SUSPEND_EVT, (tBTA_AV *) &suspend_rsp); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_rcfg_str_ok |
| ** |
| ** Description report reconfigure successful |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_rcfg_str_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_RECONFIG evt; |
| UNUSED(p_data); |
| |
| p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle); |
| APPL_TRACE_DEBUG1("bta_av_rcfg_str_ok: l2c_cid: %d", p_scb->l2c_cid); |
| |
| /* rc listen */ |
| bta_av_st_rc_timer(p_scb, NULL); |
| utl_freebuf((void **)&p_scb->p_cap); |
| |
| /* No need to keep the role bits once reconfig is done. */ |
| p_scb->role &= ~BTA_AV_ROLE_AD_ACP; |
| p_scb->role &= ~BTA_AV_ROLE_SUSPEND_OPT; |
| p_scb->role &= ~BTA_AV_ROLE_START_INT; |
| |
| { |
| /* reconfigure success */ |
| evt.status = BTA_AV_SUCCESS; |
| evt.chnl = p_scb->chnl; |
| evt.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_rcfg_failed |
| ** |
| ** Description process reconfigure failed |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_rcfg_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_RECONFIG evt; |
| |
| APPL_TRACE_DEBUG2("bta_av_rcfg_failed num_recfg: %d, conn_lcb:0x%x", |
| p_scb->num_recfg, bta_av_cb.conn_lcb); |
| if(p_scb->num_recfg > BTA_AV_RECONFIG_RETRY) |
| { |
| bta_av_cco_close(p_scb, p_data); |
| /* report failure */ |
| evt.status = BTA_AV_FAIL_STREAM; |
| evt.chnl = p_scb->chnl; |
| evt.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt); |
| /* go to closing state */ |
| bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, NULL); |
| } |
| else |
| { |
| /* open failed. try again */ |
| p_scb->num_recfg++; |
| if(bta_av_cb.conn_lcb) |
| { |
| AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]); |
| } |
| else |
| { |
| bta_av_connect_req(p_scb, NULL); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_rcfg_connect |
| ** |
| ** Description stream closed. reconnect the stream |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_rcfg_connect (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UNUSED(p_data); |
| |
| p_scb->cong = FALSE; |
| p_scb->num_recfg++; |
| APPL_TRACE_DEBUG1("bta_av_rcfg_connect num_recfg: %d", p_scb->num_recfg); |
| if(p_scb->num_recfg > BTA_AV_RECONFIG_RETRY) |
| { |
| /* let bta_av_rcfg_failed report fail */ |
| bta_av_rcfg_failed(p_scb, NULL); |
| } |
| else |
| AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, bta_av_dt_cback[p_scb->hdi]); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_rcfg_discntd |
| ** |
| ** Description AVDT disconnected. reconnect the stream |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_rcfg_discntd (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_RECONFIG evt; |
| UNUSED(p_data); |
| |
| APPL_TRACE_DEBUG1("bta_av_rcfg_discntd num_recfg: %d", p_scb->num_recfg); |
| p_scb->num_recfg++; |
| if(p_scb->num_recfg > BTA_AV_RECONFIG_RETRY) |
| { |
| /* report failure */ |
| evt.status = BTA_AV_FAIL_STREAM; |
| evt.chnl = p_scb->chnl; |
| evt.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt); |
| /* report close event & go to init state */ |
| bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, NULL); |
| } |
| else |
| AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, bta_av_dt_cback[p_scb->hdi]); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_suspend_cont |
| ** |
| ** Description received the suspend response. |
| ** continue to reconfigure the stream |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_suspend_cont (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UINT8 err_code = p_data->str_msg.msg.hdr.err_code; |
| tBTA_AV_RECONFIG evt; |
| |
| p_scb->started = FALSE; |
| p_scb->cong = FALSE; |
| if (err_code) |
| { |
| if (AVDT_ERR_CONNECT == err_code) |
| { |
| /* report failure */ |
| evt.status = BTA_AV_FAIL; |
| (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt); |
| bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, NULL); |
| } |
| else |
| { |
| APPL_TRACE_ERROR0("suspend rejected, try close"); |
| /* Disable suspend feature only with explicit rejection(not with timeout) */ |
| if (err_code != AVDT_ERR_TIMEOUT) |
| { |
| p_scb->suspend_sup = FALSE; |
| } |
| /* drop the buffers queued in L2CAP */ |
| L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); |
| |
| AVDT_CloseReq(p_scb->avdt_handle); |
| } |
| } |
| else |
| { |
| APPL_TRACE_DEBUG0("bta_av_suspend_cont calling AVDT_ReconfigReq"); |
| /* reconfig the stream */ |
| |
| AVDT_ReconfigReq(p_scb->avdt_handle, p_scb->p_cap); |
| p_scb->p_cap->psc_mask = p_scb->cur_psc_mask; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_rcfg_cfm |
| ** |
| ** Description if reconfigure is successful, report the event |
| ** otherwise, close the stream. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_rcfg_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UINT8 err_code = p_data->str_msg.msg.hdr.err_code; |
| |
| /* |
| APPL_TRACE_DEBUG0("bta_av_rcfg_cfm"); |
| */ |
| if (err_code) |
| { |
| APPL_TRACE_ERROR0("reconfig rejected, try close"); |
| /* Disable reconfiguration feature only with explicit rejection(not with timeout) */ |
| if (err_code != AVDT_ERR_TIMEOUT) |
| { |
| p_scb->recfg_sup = FALSE; |
| } |
| /* started flag is FALSE when reconfigure command is sent */ |
| /* drop the buffers queued in L2CAP */ |
| L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); |
| AVDT_CloseReq(p_scb->avdt_handle); |
| } |
| else |
| { |
| /* update the codec info after rcfg cfm */ |
| memcpy(p_scb->cfg.codec_info,p_data->str_msg.msg.reconfig_cfm.p_cfg->codec_info,AVDT_CODEC_SIZE); |
| /* take the SSM back to OPEN state */ |
| bta_av_ssm_execute(p_scb, BTA_AV_STR_OPEN_OK_EVT, NULL); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_rcfg_open |
| ** |
| ** Description AVDT is connected. open the stream with the new configuration |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_rcfg_open (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UNUSED(p_data); |
| |
| APPL_TRACE_DEBUG1("bta_av_rcfg_open, num_disc_snks = %d", p_scb->num_disc_snks); |
| |
| if (p_scb->num_disc_snks == 0) |
| { |
| /* Need to update call-out module so that it will be ready for discover */ |
| p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type); |
| |
| /* send avdtp discover request */ |
| AVDT_DiscoverReq(p_scb->peer_addr, p_scb->sep_info, BTA_AV_NUM_SEPS, bta_av_dt_cback[p_scb->hdi]); |
| } |
| else |
| { |
| p_scb->codec_type = p_scb->p_cap->codec_info[BTA_AV_CODEC_TYPE_IDX]; |
| memcpy(p_scb->cfg.codec_info, p_scb->p_cap->codec_info, AVDT_CODEC_SIZE); |
| /* we may choose to use a different SEP at reconfig. |
| * adjust the sep_idx now */ |
| bta_av_adjust_seps_idx(p_scb); |
| |
| /* open the stream with the new config */ |
| p_scb->sep_info_idx = p_scb->rcfg_idx; |
| AVDT_OpenReq(p_scb->avdt_handle, p_scb->peer_addr, |
| p_scb->sep_info[p_scb->sep_info_idx].seid, p_scb->p_cap); |
| } |
| |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_security_rej |
| ** |
| ** Description Send an AVDTP security reject. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_security_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| UNUSED(p_data); |
| |
| AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_BAD_STATE, |
| NULL, 0); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_chk_2nd_start |
| ** |
| ** Description check if this is 2nd stream and if it needs to be started. |
| ** This function needs to be kept very similar to bta_av_chk_start |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_chk_2nd_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_SCB *p_scbi; |
| int i; |
| BOOLEAN new_started = FALSE; |
| UNUSED(p_data); |
| |
| if ((p_scb->chnl == BTA_AV_CHNL_AUDIO) && (bta_av_cb.audio_open_cnt >= 2)) |
| { |
| /* more than one audio channel is connected */ |
| if (!(p_scb->role & BTA_AV_ROLE_SUSPEND_OPT)) |
| { |
| /* this channel does not need to be reconfigured. |
| * if there is other channel streaming, start the stream now */ |
| 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) |
| { |
| if (!new_started) |
| { |
| /* start the new stream */ |
| new_started = TRUE; |
| bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL); |
| } |
| /* 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] ); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_open_rc |
| ** |
| ** Description Send a message to main SM to open RC channel. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_open_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_START start; |
| |
| APPL_TRACE_DEBUG3("bta_av_open_rc use_rc: %d, wait: x%x role:x%x", p_scb->use_rc, p_scb->wait, p_scb->role); |
| if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) && (p_scb->q_tag == BTA_AV_Q_TAG_START)) |
| { |
| /* waiting for role switch for some reason & the timer expires */ |
| if (!bta_av_link_role_ok(p_scb, A2D_SET_ONE_BIT)) |
| { |
| APPL_TRACE_ERROR0 ("failed to start streaming for role management reasons!!"); |
| bta_sys_stop_timer(&p_scb->timer); |
| start.chnl = p_scb->chnl; |
| start.status = BTA_AV_FAIL_ROLE; |
| start.initiator = TRUE; |
| start.hndl = p_scb->hndl; |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; |
| bta_av_cb.rs_idx = 0; |
| (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start); |
| } |
| else |
| { |
| /* role switch is done. continue to start streaming */ |
| bta_av_cb.rs_idx = 0; |
| p_data->hdr.offset = BTA_AV_RS_OK; |
| bta_av_start_ok (p_scb, p_data); |
| } |
| return; |
| } |
| |
| if(p_scb->use_rc == TRUE || (p_scb->role & BTA_AV_ROLE_AD_ACP) ) |
| { |
| if(bta_av_cb.disc) |
| { |
| /* AVRC discover db is in use */ |
| if(p_scb->rc_handle == BTA_AV_RC_HANDLE_NONE) |
| { |
| /* AVRC channel is not connected. delay a little bit */ |
| if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) == 0) |
| bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RC_DISC_TIME_VAL); |
| else |
| p_scb->wait |= BTA_AV_WAIT_CHECK_RC; |
| } |
| } |
| else |
| { |
| /* use main SM for AVRC SDP activities */ |
| bta_av_rc_disc((UINT8)(p_scb->hdi + 1)); |
| } |
| } |
| else |
| { |
| if(BTA_AV_RC_HANDLE_NONE != p_scb->rc_handle) |
| { |
| /* the open API said that this handle does not want a RC connection. |
| * disconnect it now */ |
| AVRC_Close(p_scb->rc_handle); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_av_open_at_inc |
| ** |
| ** Description This function is called if API open is called by application |
| ** while state-machine is at incoming state. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_av_open_at_inc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data) |
| { |
| tBTA_AV_API_OPEN *p_buf; |
| |
| memcpy (&(p_scb->open_api), &(p_data->api_open), sizeof(tBTA_AV_API_OPEN)); |
| |
| if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR) |
| { |
| p_scb->coll_mask |= BTA_AV_COLL_API_CALLED; |
| |
| /* API open will be handled at timeout if SNK did not start signalling. */ |
| /* API open will be ignored if SNK starts signalling. */ |
| } |
| else |
| { |
| /* SNK did not start signalling, API was called N seconds timeout. */ |
| /* We need to switch to INIT state and start opening connection. */ |
| p_scb->coll_mask = 0; |
| bta_av_set_scb_sst_init (p_scb); |
| |
| if ((p_buf = (tBTA_AV_API_OPEN *) GKI_getbuf(sizeof(tBTA_AV_API_OPEN))) != NULL) |
| { |
| memcpy(p_buf, &(p_scb->open_api), sizeof(tBTA_AV_API_OPEN)); |
| bta_sys_sendmsg(p_buf); |
| } |
| } |
| } |
| |
| #endif /* BTA_AV_INCLUDED */ |
