1369 lines
50 KiB
C
1369 lines
50 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2004-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* This is the main implementation file for the BTA advanced audio/video.
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*
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******************************************************************************/
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// #include <assert.h>
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#include <string.h>
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#include "common/bt_target.h"
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#include "common/bt_trace.h"
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#include "osi/allocator.h"
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#if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE)
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#include "bta_av_int.h"
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#include "bta/utl.h"
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#include "stack/l2c_api.h"
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#include "stack/l2cdefs.h"
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#include "bta/bta_av_co.h"
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#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
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#include "bta/bta_ar_api.h"
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#endif
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#include "osi/osi.h"
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/*****************************************************************************
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** Constants and types
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*****************************************************************************/
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/* AVDTP protocol timeout values */
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#define BTIF_AVK_SERVICE_NAME "Advanced Audio Sink"
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#ifndef BTA_AV_RET_TOUT
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#define BTA_AV_RET_TOUT 4
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#endif
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#ifndef BTA_AV_SIG_TOUT
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#define BTA_AV_SIG_TOUT 4
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#endif
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#ifndef BTA_AV_IDLE_TOUT
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#define BTA_AV_IDLE_TOUT 10
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#endif
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/* the delay time in milliseconds to retry role switch */
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#ifndef BTA_AV_RS_TIME_VAL
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#define BTA_AV_RS_TIME_VAL 1000
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#endif
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/* state machine states */
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enum {
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BTA_AV_INIT_ST,
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BTA_AV_OPEN_ST
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};
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/* state machine action enumeration list */
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enum {
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BTA_AV_DISABLE,
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BTA_AV_RC_OPENED,
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BTA_AV_RC_REMOTE_CMD,
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BTA_AV_RC_VENDOR_CMD,
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BTA_AV_RC_VENDOR_RSP,
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BTA_AV_RC_FREE_RSP,
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BTA_AV_RC_FREE_MSG,
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BTA_AV_RC_META_RSP,
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BTA_AV_RC_MSG,
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BTA_AV_RC_CLOSE,
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BTA_AV_NUM_ACTIONS
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};
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#define BTA_AV_IGNORE BTA_AV_NUM_ACTIONS
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/* type for action functions */
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typedef void (*tBTA_AV_ACTION)(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
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/* action functions */
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const tBTA_AV_ACTION bta_av_action[] = {
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bta_av_disable,
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bta_av_rc_opened,
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bta_av_rc_remote_cmd,
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bta_av_rc_vendor_cmd,
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bta_av_rc_vendor_rsp,
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bta_av_rc_free_rsp,
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bta_av_rc_free_msg,
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bta_av_rc_meta_rsp,
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bta_av_rc_msg,
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bta_av_rc_close,
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NULL
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};
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/* state table information */
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#define BTA_AV_ACTION_COL 0 /* position of actions */
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#define BTA_AV_NEXT_STATE 1 /* position of next state */
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#define BTA_AV_NUM_COLS 2 /* number of columns in state tables */
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/* state table for init state */
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static const UINT8 bta_av_st_init[][BTA_AV_NUM_COLS] = {
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/* Event Action 1 Next state */
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/* API_DISABLE_EVT */ {BTA_AV_DISABLE, BTA_AV_INIT_ST },
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/* API_REMOTE_CMD_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST },
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/* API_VENDOR_CMD_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST },
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/* API_VENDOR_RSP_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST },
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/* API_META_RSP_EVT */ {BTA_AV_RC_FREE_RSP, BTA_AV_INIT_ST },
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/* API_RC_CLOSE_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST },
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/* AVRC_OPEN_EVT */ {BTA_AV_RC_OPENED, BTA_AV_OPEN_ST },
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/* AVRC_MSG_EVT */ {BTA_AV_RC_FREE_MSG, BTA_AV_INIT_ST },
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/* AVRC_NONE_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST },
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};
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/* state table for open state */
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static const UINT8 bta_av_st_open[][BTA_AV_NUM_COLS] = {
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/* Event Action 1 Next state */
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/* API_DISABLE_EVT */ {BTA_AV_DISABLE, BTA_AV_INIT_ST },
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/* API_REMOTE_CMD_EVT */ {BTA_AV_RC_REMOTE_CMD, BTA_AV_OPEN_ST },
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/* API_VENDOR_CMD_EVT */ {BTA_AV_RC_VENDOR_CMD, BTA_AV_OPEN_ST },
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/* API_VENDOR_RSP_EVT */ {BTA_AV_RC_VENDOR_RSP, BTA_AV_OPEN_ST },
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/* API_META_RSP_EVT */ {BTA_AV_RC_META_RSP, BTA_AV_OPEN_ST },
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/* API_RC_CLOSE_EVT */ {BTA_AV_RC_CLOSE, BTA_AV_OPEN_ST },
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/* AVRC_OPEN_EVT */ {BTA_AV_RC_OPENED, BTA_AV_OPEN_ST },
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/* AVRC_MSG_EVT */ {BTA_AV_RC_MSG, BTA_AV_OPEN_ST },
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/* AVRC_NONE_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST },
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};
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/* type for state table */
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typedef const UINT8 (*tBTA_AV_ST_TBL)[BTA_AV_NUM_COLS];
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/* state table */
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static const tBTA_AV_ST_TBL bta_av_st_tbl[] = {
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bta_av_st_init,
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bta_av_st_open
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};
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typedef void (*tBTA_AV_NSM_ACT)(tBTA_AV_DATA *p_data);
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static void bta_av_api_enable(tBTA_AV_DATA *p_data);
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static void bta_av_api_register(tBTA_AV_DATA *p_data);
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#if (BTA_AV_SINK_INCLUDED == TRUE)
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static void bta_av_api_sink_enable(tBTA_AV_DATA *p_data);
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#endif
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static void bta_av_ci_data(tBTA_AV_DATA *p_data);
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#if (AVDT_REPORTING == TRUE)
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static void bta_av_rpc_conn(tBTA_AV_DATA *p_data);
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#endif
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static void bta_av_api_to_ssm(tBTA_AV_DATA *p_data);
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static void bta_av_sco_chg_cback(tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8
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app_id, BD_ADDR peer_addr);
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static void bta_av_sys_rs_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
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/* action functions */
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const tBTA_AV_NSM_ACT bta_av_nsm_act[] = {
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bta_av_api_enable, /* BTA_AV_API_ENABLE_EVT */
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bta_av_api_register, /* BTA_AV_API_REGISTER_EVT */
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bta_av_api_deregister, /* BTA_AV_API_DEREGISTER_EVT */
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bta_av_api_disconnect, /* BTA_AV_API_DISCONNECT_EVT */
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bta_av_ci_data, /* BTA_AV_CI_SRC_DATA_READY_EVT */
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bta_av_sig_chg, /* BTA_AV_SIG_CHG_EVT */
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bta_av_sig_timer, /* BTA_AV_SIG_TIMER_EVT */
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bta_av_rc_disc_done, /* BTA_AV_SDP_AVRC_DISC_EVT */
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bta_av_rc_closed, /* BTA_AV_AVRC_CLOSE_EVT */
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bta_av_conn_chg, /* BTA_AV_CONN_CHG_EVT */
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bta_av_dereg_comp, /* BTA_AV_DEREG_COMP_EVT */
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#if (BTA_AV_SINK_INCLUDED == TRUE)
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bta_av_api_sink_enable, /* BTA_AV_API_SINK_ENABLE_EVT */
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#endif
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#if (AVDT_REPORTING == TRUE)
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bta_av_rpc_conn, /* BTA_AV_AVDT_RPT_CONN_EVT */
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#endif
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bta_av_api_to_ssm, /* BTA_AV_API_START_EVT */
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bta_av_api_to_ssm, /* BTA_AV_API_STOP_EVT */
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};
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/*****************************************************************************
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** Global data
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*****************************************************************************/
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/* AV control block */
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#if BTA_DYNAMIC_MEMORY == FALSE
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tBTA_AV_CB bta_av_cb;
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#else
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tBTA_AV_CB *bta_av_cb_ptr;
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#endif
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#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
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static char *bta_av_st_code(UINT8 state);
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#endif
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/*******************************************************************************
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**
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** Function bta_av_timer_cback
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**
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** Description forward the event to stream state machine
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**
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** Returns void
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**
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*******************************************************************************/
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static void bta_av_timer_cback(void *p_tle)
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{
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BT_HDR *p_buf;
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TIMER_LIST_ENT *p = (TIMER_LIST_ENT *)p_tle;
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int xx;
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tBTA_AV_SCB *p_scb = NULL;
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/* find the SCB that has the timer */
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for (xx = 0; xx < BTA_AV_NUM_STRS; xx++) {
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if (bta_av_cb.p_scb[xx] && &(bta_av_cb.p_scb[xx]->timer) == p) {
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p_scb = bta_av_cb.p_scb[xx];
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break;
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}
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}
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if (p_scb && (p_buf = (BT_HDR *) osi_malloc(sizeof(BT_HDR))) != NULL) {
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/* send the event through the audio state machine.
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* only when the audio SM is open, the main SM opens the RC connection as INT */
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p_buf->event = p->event;
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p_buf->layer_specific = p_scb->hndl;
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function bta_av_api_enable
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**
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** Description Handle an API enable event.
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**
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**
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** Returns void
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**
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*******************************************************************************/
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static void bta_av_api_enable(tBTA_AV_DATA *p_data)
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{
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int i;
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tBTA_AV_ENABLE enable;
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/* initialize control block */
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memset(&bta_av_cb, 0, sizeof(tBTA_AV_CB));
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for (i = 0; i < BTA_AV_NUM_RCB; i++) {
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bta_av_cb.rcb[i].handle = BTA_AV_RC_HANDLE_NONE;
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}
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bta_av_cb.rc_acp_handle = BTA_AV_RC_HANDLE_NONE;
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/* store parameters */
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bta_av_cb.p_cback = p_data->api_enable.p_cback;
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bta_av_cb.features = p_data->api_enable.features;
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bta_av_cb.sec_mask = p_data->api_enable.sec_mask;
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enable.features = bta_av_cb.features;
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/* Register for SCO change event */
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if (!(bta_av_cb.features & BTA_AV_FEAT_NO_SCO_SSPD)) {
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bta_sys_sco_register(bta_av_sco_chg_cback);
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}
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/* call callback with enable event */
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(*bta_av_cb.p_cback)(BTA_AV_ENABLE_EVT, (tBTA_AV *)&enable);
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}
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/*******************************************************************************
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**
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** Function bta_av_addr_to_scb
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**
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** Description find the stream control block by the peer addr
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**
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** Returns void
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**
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*******************************************************************************/
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static tBTA_AV_SCB *bta_av_addr_to_scb(BD_ADDR bd_addr)
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{
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tBTA_AV_SCB *p_scb = NULL;
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int xx;
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for (xx = 0; xx < BTA_AV_NUM_STRS; xx++) {
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if (bta_av_cb.p_scb[xx]) {
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if (!bdcmp(bd_addr, bta_av_cb.p_scb[xx]->peer_addr)) {
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p_scb = bta_av_cb.p_scb[xx];
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break;
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}
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}
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}
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return p_scb;
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}
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/*******************************************************************************
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**
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** Function bta_av_hndl_to_scb
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**
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** Description find the stream control block by the handle
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**
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** Returns void
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**
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*******************************************************************************/
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tBTA_AV_SCB *bta_av_hndl_to_scb(UINT16 handle)
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{
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tBTA_AV_HNDL hndl = (tBTA_AV_HNDL)handle;
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tBTA_AV_SCB *p_scb = NULL;
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UINT8 idx = (hndl & BTA_AV_HNDL_MSK);
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if (idx && (idx <= BTA_AV_NUM_STRS) ) {
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p_scb = bta_av_cb.p_scb[idx - 1];
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}
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return p_scb;
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}
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/*******************************************************************************
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**
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** Function bta_av_alloc_scb
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**
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** Description allocate stream control block,
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** register the service to stack
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** create SDP record
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**
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** Returns void
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**
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*******************************************************************************/
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static tBTA_AV_SCB *bta_av_alloc_scb(tBTA_AV_CHNL chnl)
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{
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tBTA_AV_SCB *p_ret = NULL;
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int xx;
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tBTA_AV_STATUS sts = BTA_AV_SUCCESS;
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if (chnl == BTA_AV_CHNL_VIDEO) {
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if (p_bta_av_cfg->p_act_tbl == NULL || p_bta_av_cfg->p_reg == NULL) {
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APPL_TRACE_ERROR("Video streaming not supported");
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sts = BTA_AV_FAIL;
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} else {
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/* allow only one Video channel */
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if (bta_av_cb.reg_video) {
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APPL_TRACE_ERROR("Already registered");
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sts = BTA_AV_FAIL;
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}
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}
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} else if (chnl != BTA_AV_CHNL_AUDIO) {
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APPL_TRACE_ERROR("bad channel: %d\n", chnl);
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sts = BTA_AV_FAIL;
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}
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if (sts == BTA_AV_SUCCESS) {
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for (xx = 0; xx < BTA_AV_NUM_STRS; xx++) {
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if (bta_av_cb.p_scb[xx] == NULL) {
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/* found an empty spot */
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p_ret = (tBTA_AV_SCB *)osi_malloc(sizeof(tBTA_AV_SCB));
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if (p_ret) {
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memset(p_ret, 0, sizeof(tBTA_AV_SCB));
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p_ret->rc_handle = BTA_AV_RC_HANDLE_NONE;
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p_ret->chnl = chnl;
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p_ret->hndl = (tBTA_AV_HNDL)((xx + 1) | chnl);
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p_ret->hdi = xx;
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p_ret->a2d_list = list_new(NULL);
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bta_av_cb.p_scb[xx] = p_ret;
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}
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break;
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}
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}
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}
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return p_ret;
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}
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/*******************************************************************************
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**
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** Function bta_av_free_scb
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**
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** Description free stream control block,
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**
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**
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** Returns void
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**
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*******************************************************************************/
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UNUSED_ATTR static void bta_av_free_scb(tBTA_AV_SCB *p_scb)
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{
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// NOTE(google) This free currently is not called
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assert(p_scb != NULL);
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list_free(p_scb->a2d_list);
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osi_free(p_scb);
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}
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/*******************************************************************************
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*******************************************************************************/
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void bta_av_conn_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
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{
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tBTA_AV_STR_MSG *p_msg;
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UINT16 evt = 0;
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tBTA_AV_SCB *p_scb = NULL;
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UNUSED(handle);
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#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
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if (event == BTA_AR_AVDT_CONN_EVT ||
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event == AVDT_CONNECT_IND_EVT || event == AVDT_DISCONNECT_IND_EVT)
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#else
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if (event == AVDT_CONNECT_IND_EVT || event == AVDT_DISCONNECT_IND_EVT)
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#endif
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{
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evt = BTA_AV_SIG_CHG_EVT;
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if (AVDT_DISCONNECT_IND_EVT == event) {
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p_scb = bta_av_addr_to_scb(bd_addr);
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}
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#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
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else if (AVDT_CONNECT_IND_EVT == event) {
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APPL_TRACE_DEBUG("CONN_IND is ACP:%d\n", p_data->hdr.err_param);
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}
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#endif
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if (/*((p_scb && (p_scb->role & BTA_AV_ROLE_AD_ACP)) ||
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//(AVDT_CONNECT_IND_EVT == event && AVDT_ACP == p_data->hdr.err_param))
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(AVDT_CONNECT_IND_EVT == event))&& */
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(p_msg = (tBTA_AV_STR_MSG *) osi_malloc((UINT16) (sizeof(tBTA_AV_STR_MSG)))) != NULL) {
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p_msg->hdr.event = evt;
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p_msg->hdr.layer_specific = event;
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p_msg->hdr.offset = p_data->hdr.err_param;
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bdcpy(p_msg->bd_addr, bd_addr);
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#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
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if (p_scb) {
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APPL_TRACE_DEBUG("scb hndl x%x, role x%x\n", p_scb->hndl, p_scb->role);
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}
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#endif
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APPL_TRACE_DEBUG("conn_cback bd_addr:%02x-%02x-%02x-%02x-%02x-%02x\n",
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bd_addr[0], bd_addr[1],
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bd_addr[2], bd_addr[3],
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bd_addr[4], bd_addr[5]);
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bta_sys_sendmsg(p_msg);
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}
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}
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|
|
}
|
|
|
|
#if AVDT_REPORTING == TRUE
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_a2dp_report_cback
|
|
**
|
|
** Description A2DP report callback.
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_av_a2dp_report_cback(UINT8 handle, AVDT_REPORT_TYPE type,
|
|
tAVDT_REPORT_DATA *p_data)
|
|
{
|
|
UNUSED(handle);
|
|
UNUSED(type);
|
|
UNUSED(p_data);
|
|
/* Do not need to handle report data for now.
|
|
* This empty function is here for conformance reasons. */
|
|
}
|
|
#endif
|
|
|
|
#if (BTA_AV_SINK_INCLUDED == TRUE)
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_api_sink_enable
|
|
**
|
|
** Description activate, deactive A2DP Sink,
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
|
|
static void bta_av_api_sink_enable(tBTA_AV_DATA *p_data)
|
|
{
|
|
UINT16 activate_sink = 0;
|
|
activate_sink = p_data->hdr.layer_specific;
|
|
APPL_TRACE_DEBUG("bta_av_api_sink_enable %d \n", activate_sink)
|
|
char p_service_name[BTA_SERVICE_NAME_LEN + 1];
|
|
BCM_STRNCPY_S(p_service_name, sizeof(p_service_name),
|
|
BTIF_AVK_SERVICE_NAME, BTA_SERVICE_NAME_LEN);
|
|
|
|
if (activate_sink) {
|
|
AVDT_SINK_Activate();
|
|
if (bta_av_cb.sdp_a2d_snk_handle == 0) {
|
|
bta_av_cb.sdp_a2d_snk_handle = SDP_CreateRecord();
|
|
A2D_AddRecord(UUID_SERVCLASS_AUDIO_SINK, p_service_name, NULL,
|
|
A2D_SUPF_PLAYER, bta_av_cb.sdp_a2d_snk_handle);
|
|
bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SINK);
|
|
}
|
|
} else {
|
|
AVDT_SINK_Deactivate();
|
|
if (bta_av_cb.sdp_a2d_snk_handle != 0) {
|
|
SDP_DeleteRecord(bta_av_cb.sdp_a2d_snk_handle);
|
|
bta_av_cb.sdp_a2d_snk_handle = 0;
|
|
bta_sys_remove_uuid(UUID_SERVCLASS_AUDIO_SINK);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_api_register
|
|
**
|
|
** Description allocate stream control block,
|
|
** register the service to stack
|
|
** create SDP record
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_av_api_register(tBTA_AV_DATA *p_data)
|
|
{
|
|
tBTA_AV_REGISTER registr;
|
|
tBTA_AV_SCB *p_scb; /* stream control block */
|
|
tAVDT_REG reg;
|
|
tAVDT_CS cs;
|
|
char *p_service_name;
|
|
tBTA_AV_CODEC codec_type;
|
|
tBTA_UTL_COD cod;
|
|
UINT8 index = 0;
|
|
char p_avk_service_name[BTA_SERVICE_NAME_LEN + 1];
|
|
BCM_STRNCPY_S(p_avk_service_name, sizeof(p_avk_service_name), BTIF_AVK_SERVICE_NAME, BTA_SERVICE_NAME_LEN);
|
|
|
|
memset(&cs, 0, sizeof(tAVDT_CS));
|
|
|
|
registr.status = BTA_AV_FAIL_RESOURCES;
|
|
registr.app_id = p_data->api_reg.app_id;
|
|
registr.chnl = (tBTA_AV_CHNL)p_data->hdr.layer_specific;
|
|
registr.p_bta_av_cos = p_data->api_reg.bta_av_cos;
|
|
do {
|
|
p_scb = bta_av_alloc_scb(registr.chnl);
|
|
if (p_scb == NULL) {
|
|
APPL_TRACE_ERROR("failed to alloc SCB");
|
|
break;
|
|
}
|
|
|
|
registr.hndl = p_scb->hndl;
|
|
p_scb->app_id = registr.app_id;
|
|
|
|
/* initialize the stream control block */
|
|
p_scb->timer.p_cback = (TIMER_CBACK *)&bta_av_timer_cback;
|
|
registr.status = BTA_AV_SUCCESS;
|
|
|
|
if ((bta_av_cb.reg_audio + bta_av_cb.reg_video) == 0) {
|
|
/* the first channel registered. register to AVDTP */
|
|
reg.ctrl_mtu = p_bta_av_cfg->sig_mtu;
|
|
reg.ret_tout = BTA_AV_RET_TOUT;
|
|
reg.sig_tout = BTA_AV_SIG_TOUT;
|
|
reg.idle_tout = BTA_AV_IDLE_TOUT;
|
|
reg.sec_mask = bta_av_cb.sec_mask;
|
|
#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
|
|
bta_ar_reg_avdt(®, bta_av_conn_cback, BTA_ID_AV);
|
|
#endif
|
|
bta_sys_role_chg_register(&bta_av_sys_rs_cback);
|
|
|
|
/* create remote control TG service if required */
|
|
if (bta_av_cb.features & (BTA_AV_FEAT_RCTG)) {
|
|
/* register with no authorization; let AVDTP use authorization instead */
|
|
#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
|
|
#if (BTA_AV_WITH_AVCTP_AUTHORIZATION == TRUE)
|
|
bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
|
|
bta_av_cb.sec_mask, BTA_ID_AV);
|
|
#else
|
|
bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
|
|
(UINT8)(bta_av_cb.sec_mask & (~BTA_SEC_AUTHORIZE)), BTA_ID_AV);
|
|
#endif
|
|
if (p_data->api_reg.tsep == AVDT_TSEP_SRC) {
|
|
bta_ar_reg_avrc(UUID_SERVCLASS_AV_REM_CTRL_TARGET, "AV Remote Control Target\n", NULL,
|
|
p_bta_av_cfg->avrc_src_tg_cat, BTA_ID_AV);
|
|
} else {
|
|
bta_ar_reg_avrc(UUID_SERVCLASS_AV_REM_CTRL_TARGET, "AV Remote Control Target\n", NULL,
|
|
p_bta_av_cfg->avrc_snk_tg_cat, BTA_ID_AV);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/* Set the Calss of Device (Audio & Capturing/Rendering service class bit) */
|
|
if (p_data->api_reg.tsep == AVDT_TSEP_SRC) {
|
|
cod.service = BTM_COD_SERVICE_CAPTURING | BTM_COD_SERVICE_AUDIO;
|
|
cod.major = BTM_COD_MAJOR_AUDIO;
|
|
cod.minor = BTM_COD_MINOR_UNCLASSIFIED;
|
|
} else {
|
|
#if (BTA_AV_SINK_INCLUDED == TRUE)
|
|
cod.service = BTM_COD_SERVICE_RENDERING | BTM_COD_SERVICE_AUDIO;
|
|
cod.major = BTM_COD_MAJOR_AUDIO;
|
|
cod.minor = BTM_COD_MINOR_LOUDSPEAKER;
|
|
#endif
|
|
}
|
|
utl_set_device_class(&cod, BTA_UTL_SET_COD_ALL);
|
|
} /* if 1st channel */
|
|
|
|
/* get stream configuration and create stream */
|
|
/* memset(&cs.cfg,0,sizeof(tAVDT_CFG)); */
|
|
cs.cfg.num_codec = 1;
|
|
cs.tsep = p_data->api_reg.tsep;
|
|
|
|
/*
|
|
* memset of cs takes care setting call back pointers to null.
|
|
cs.p_data_cback = NULL;
|
|
cs.p_report_cback = NULL;
|
|
*/
|
|
cs.nsc_mask = AVDT_NSC_RECONFIG |
|
|
((bta_av_cb.features & BTA_AV_FEAT_PROTECT) ? 0 : AVDT_NSC_SECURITY);
|
|
APPL_TRACE_DEBUG("nsc_mask: 0x%x\n", cs.nsc_mask);
|
|
|
|
if (p_data->api_reg.p_service_name[0] == 0) {
|
|
p_service_name = NULL;
|
|
} else {
|
|
p_service_name = p_data->api_reg.p_service_name;
|
|
}
|
|
|
|
p_scb->suspend_sup = TRUE;
|
|
p_scb->recfg_sup = TRUE;
|
|
|
|
cs.p_ctrl_cback = bta_av_dt_cback[p_scb->hdi];
|
|
if (registr.chnl == BTA_AV_CHNL_AUDIO) {
|
|
/* set up the audio stream control block */
|
|
p_scb->p_act_tbl = (const tBTA_AV_ACT *)bta_av_a2d_action;
|
|
// p_scb->p_cos = &bta_av_a2d_cos;
|
|
p_scb->p_cos = registr.p_bta_av_cos;
|
|
p_scb->media_type = AVDT_MEDIA_AUDIO;
|
|
cs.cfg.psc_mask = AVDT_PSC_TRANS;
|
|
cs.media_type = AVDT_MEDIA_AUDIO;
|
|
cs.mtu = p_bta_av_cfg->audio_mtu;
|
|
cs.flush_to = L2CAP_DEFAULT_FLUSH_TO;
|
|
#if AVDT_REPORTING == TRUE
|
|
if (bta_av_cb.features & BTA_AV_FEAT_REPORT) {
|
|
cs.cfg.psc_mask |= AVDT_PSC_REPORT;
|
|
cs.p_report_cback = bta_av_a2dp_report_cback;
|
|
#if AVDT_MULTIPLEXING == TRUE
|
|
cs.cfg.mux_tsid_report = 2;
|
|
#endif
|
|
}
|
|
#endif
|
|
if (bta_av_cb.features & BTA_AV_FEAT_DELAY_RPT) {
|
|
cs.cfg.psc_mask |= AVDT_PSC_DELAY_RPT;
|
|
}
|
|
|
|
/* keep the configuration in the stream control block */
|
|
memcpy(&p_scb->cfg, &cs.cfg, sizeof(tAVDT_CFG));
|
|
while (index < BTA_AV_MAX_SEPS &&
|
|
(p_scb->p_cos->init)(&codec_type, cs.cfg.codec_info,
|
|
&cs.cfg.num_protect, cs.cfg.protect_info, p_data->api_reg.tsep) == TRUE) {
|
|
|
|
#if (BTA_AV_SINK_INCLUDED == TRUE)
|
|
if (p_data->api_reg.tsep == AVDT_TSEP_SNK) {
|
|
cs.p_data_cback = bta_av_stream_data_cback;
|
|
}
|
|
APPL_TRACE_DEBUG(" SEP Type = %d\n", cs.tsep);
|
|
#endif
|
|
if (AVDT_CreateStream(&p_scb->seps[index].av_handle, &cs) == AVDT_SUCCESS) {
|
|
p_scb->seps[index].codec_type = codec_type;
|
|
|
|
#if (BTA_AV_SINK_INCLUDED == TRUE)
|
|
p_scb->seps[index].tsep = cs.tsep;
|
|
if (cs.tsep == AVDT_TSEP_SNK) {
|
|
p_scb->seps[index].p_app_data_cback = p_data->api_reg.p_app_data_cback;
|
|
} else {
|
|
p_scb->seps[index].p_app_data_cback = NULL; /* In case of A2DP SOURCE we don't need a callback to handle media packets */
|
|
}
|
|
#endif
|
|
|
|
APPL_TRACE_DEBUG("audio[%d] av_handle: %d codec_type: %d\n",
|
|
index, p_scb->seps[index].av_handle, p_scb->seps[index].codec_type);
|
|
index++;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!bta_av_cb.reg_audio) {
|
|
if (p_data->api_reg.tsep == AVDT_TSEP_SRC) {
|
|
/* create the SDP records on the 1st audio channel */
|
|
bta_av_cb.sdp_a2d_handle = SDP_CreateRecord();
|
|
A2D_AddRecord(UUID_SERVCLASS_AUDIO_SOURCE, p_service_name, NULL,
|
|
A2D_SUPF_PLAYER, bta_av_cb.sdp_a2d_handle);
|
|
bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SOURCE);
|
|
} else {
|
|
#if (BTA_AV_SINK_INCLUDED == TRUE)
|
|
bta_av_cb.sdp_a2d_snk_handle = SDP_CreateRecord();
|
|
A2D_AddRecord(UUID_SERVCLASS_AUDIO_SINK, p_avk_service_name, NULL,
|
|
A2D_SUPF_PLAYER, bta_av_cb.sdp_a2d_snk_handle);
|
|
bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SINK);
|
|
#endif
|
|
}
|
|
/* start listening when A2DP is registered */
|
|
if (bta_av_cb.features & BTA_AV_FEAT_RCTG) {
|
|
bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1);
|
|
}
|
|
|
|
/* if the AV and AVK are both supported, it cannot support the CT role */
|
|
if (bta_av_cb.features & (BTA_AV_FEAT_RCCT)) {
|
|
/* if TG is not supported, we need to register to AVCT now */
|
|
if ((bta_av_cb.features & (BTA_AV_FEAT_RCTG)) == 0) {
|
|
#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
|
|
#if (BTA_AV_WITH_AVCTP_AUTHORIZATION == TRUE)
|
|
bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
|
|
bta_av_cb.sec_mask, BTA_ID_AV);
|
|
#else
|
|
bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
|
|
(UINT8)(bta_av_cb.sec_mask & (~BTA_SEC_AUTHORIZE)), BTA_ID_AV);
|
|
#endif
|
|
#endif
|
|
}
|
|
#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
|
|
/* create an SDP record as AVRC CT. */
|
|
if (p_data->api_reg.tsep == AVDT_TSEP_SRC) {
|
|
bta_ar_reg_avrc(UUID_SERVCLASS_AV_REMOTE_CONTROL, "AV Remote Control Controller\n", NULL,
|
|
p_bta_av_cfg->avrc_src_ct_cat, BTA_ID_AV);
|
|
} else {
|
|
bta_ar_reg_avrc(UUID_SERVCLASS_AV_REMOTE_CONTROL, "AV Remote Control Controller\n", NULL,
|
|
p_bta_av_cfg->avrc_snk_ct_cat, BTA_ID_AV);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
bta_av_cb.reg_audio |= BTA_AV_HNDL_TO_MSK(p_scb->hdi);
|
|
APPL_TRACE_DEBUG("reg_audio: 0x%x\n", bta_av_cb.reg_audio);
|
|
} else {
|
|
bta_av_cb.reg_video = BTA_AV_HNDL_TO_MSK(p_scb->hdi);
|
|
bta_av_cb.sdp_vdp_handle = SDP_CreateRecord();
|
|
/* register the video channel */
|
|
/* no need to verify the function pointer here. it's verified prior */
|
|
(*p_bta_av_cfg->p_reg)(&cs, p_service_name, p_scb);
|
|
}
|
|
} while (0);
|
|
|
|
/* call callback with register event */
|
|
(*bta_av_cb.p_cback)(BTA_AV_REGISTER_EVT, (tBTA_AV *)®istr);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_api_deregister
|
|
**
|
|
** Description de-register a channel
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_av_api_deregister(tBTA_AV_DATA *p_data)
|
|
{
|
|
tBTA_AV_SCB *p_scb = bta_av_hndl_to_scb(p_data->hdr.layer_specific);
|
|
|
|
if (p_scb) {
|
|
p_scb->deregistring = TRUE;
|
|
bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, p_data);
|
|
} else {
|
|
bta_av_dereg_comp(p_data);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_ci_data
|
|
**
|
|
** Description forward the BTA_AV_CI_SRC_DATA_READY_EVT to stream state machine
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_av_ci_data(tBTA_AV_DATA *p_data)
|
|
{
|
|
tBTA_AV_SCB *p_scb;
|
|
int i;
|
|
UINT8 chnl = (UINT8)p_data->hdr.layer_specific;
|
|
|
|
for ( i = 0; i < BTA_AV_NUM_STRS; i++ ) {
|
|
p_scb = bta_av_cb.p_scb[i];
|
|
|
|
if (p_scb && p_scb->chnl == chnl) {
|
|
bta_av_ssm_execute(p_scb, BTA_AV_SRC_DATA_READY_EVT, p_data);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_rpc_conn
|
|
**
|
|
** Description report report channel open
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
#if (AVDT_REPORTING == TRUE)
|
|
static void bta_av_rpc_conn(tBTA_AV_DATA *p_data)
|
|
{
|
|
UNUSED(p_data);
|
|
}
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_api_to_ssm
|
|
**
|
|
** Description forward the API request to stream state machine
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_av_api_to_ssm(tBTA_AV_DATA *p_data)
|
|
{
|
|
int xx;
|
|
UINT16 event = p_data->hdr.event - BTA_AV_FIRST_A2S_API_EVT + BTA_AV_FIRST_A2S_SSM_EVT;
|
|
|
|
for (xx = 0; xx < BTA_AV_NUM_STRS; xx++) {
|
|
bta_av_ssm_execute(bta_av_cb.p_scb[xx], event, p_data);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_chk_start
|
|
**
|
|
** Description if this is audio channel, check if more than one audio
|
|
** channel is connected & already started.
|
|
**
|
|
** Returns TRUE, if need api_start
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN bta_av_chk_start(tBTA_AV_SCB *p_scb)
|
|
{
|
|
BOOLEAN start = FALSE;
|
|
tBTA_AV_SCB *p_scbi;
|
|
int i;
|
|
|
|
if (p_scb->chnl == BTA_AV_CHNL_AUDIO) {
|
|
if ((bta_av_cb.audio_open_cnt >= 2) &&
|
|
((0 == (p_scb->role & BTA_AV_ROLE_AD_ACP)) || /* Outgoing connection or */
|
|
(bta_av_cb.features & BTA_AV_FEAT_ACP_START))) { /* auto-starting option */
|
|
/* more than one audio channel is connected */
|
|
/* if this is the 2nd stream as ACP, give INT a chance to issue the START command */
|
|
for (i = 0; i < BTA_AV_NUM_STRS; i++) {
|
|
p_scbi = bta_av_cb.p_scb[i];
|
|
if (p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started) {
|
|
start = TRUE;
|
|
/* may need to update the flush timeout of this already started stream */
|
|
if (p_scbi->co_started != bta_av_cb.audio_open_cnt) {
|
|
p_scbi->co_started = bta_av_cb.audio_open_cnt;
|
|
L2CA_SetFlushTimeout(p_scbi->peer_addr, p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1] );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return start;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_restore_switch
|
|
**
|
|
** Description assume that the caller of this function already makes
|
|
** sure that there's only one ACL connection left
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_av_restore_switch (void)
|
|
{
|
|
tBTA_AV_CB *p_cb = &bta_av_cb;
|
|
int i;
|
|
UINT8 mask;
|
|
|
|
APPL_TRACE_DEBUG("reg_audio: 0x%x\n", bta_av_cb.reg_audio);
|
|
for (i = 0; i < BTA_AV_NUM_STRS; i++) {
|
|
mask = BTA_AV_HNDL_TO_MSK(i);
|
|
if (p_cb->conn_audio == mask) {
|
|
if (p_cb->p_scb[i]) {
|
|
bta_sys_set_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH, p_cb->p_scb[i]->peer_addr);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_sys_rs_cback
|
|
**
|
|
** Description Receives the role change event from dm
|
|
**
|
|
** Returns (BTA_SYS_ROLE_CHANGE, new_role, hci_status, p_bda)
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_av_sys_rs_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8 app_id, BD_ADDR peer_addr)
|
|
{
|
|
int i;
|
|
tBTA_AV_SCB *p_scb = NULL;
|
|
tBTA_AV_ROLE_RES *p_buf;
|
|
UINT8 cur_role;
|
|
UINT8 peer_idx = 0;
|
|
UNUSED(status);
|
|
|
|
APPL_TRACE_DEBUG("bta_av_sys_rs_cback: %d\n", bta_av_cb.rs_idx);
|
|
for (i = 0; i < BTA_AV_NUM_STRS; i++) {
|
|
/* loop through all the SCBs to find matching peer addresses and report the role change event */
|
|
/* note that more than one SCB (a2dp & vdp) maybe waiting for this event */
|
|
p_scb = bta_av_cb.p_scb[i];
|
|
if (p_scb && (bdcmp (peer_addr, p_scb->peer_addr) == 0) &&
|
|
(p_buf = (tBTA_AV_ROLE_RES *) osi_malloc(sizeof(tBTA_AV_ROLE_RES))) != NULL) {
|
|
APPL_TRACE_DEBUG("new_role:%d, hci_status:x%x hndl: x%x\n", id, app_id, p_scb->hndl);
|
|
/*
|
|
if ((id != BTM_ROLE_MASTER) && (app_id != HCI_SUCCESS))
|
|
{
|
|
bta_sys_set_policy(BTA_ID_AV, (HCI_ENABLE_MASTER_SLAVE_SWITCH|HCI_ENABLE_SNIFF_MODE), p_scb->peer_addr);
|
|
}
|
|
*/
|
|
p_buf->hdr.event = BTA_AV_ROLE_CHANGE_EVT;
|
|
p_buf->hdr.layer_specific = p_scb->hndl;
|
|
p_buf->new_role = id;
|
|
p_buf->hci_status = app_id;
|
|
bta_sys_sendmsg(p_buf);
|
|
|
|
peer_idx = p_scb->hdi + 1; /* Handle index for the peer_addr */
|
|
}
|
|
}
|
|
|
|
/* restore role switch policy, if role switch failed */
|
|
if ((HCI_SUCCESS != app_id) &&
|
|
(BTM_GetRole (peer_addr, &cur_role) == BTM_SUCCESS) &&
|
|
(cur_role == BTM_ROLE_SLAVE) ) {
|
|
bta_sys_set_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH, peer_addr);
|
|
}
|
|
|
|
/* if BTA_AvOpen() was called for other device, which caused the role switch of the peer_addr, */
|
|
/* we need to continue opening process for the BTA_AvOpen(). */
|
|
if ((bta_av_cb.rs_idx != 0) && (bta_av_cb.rs_idx != peer_idx)) {
|
|
if ((bta_av_cb.rs_idx - 1) < BTA_AV_NUM_STRS) {
|
|
p_scb = bta_av_cb.p_scb[bta_av_cb.rs_idx - 1];
|
|
}
|
|
if (p_scb && p_scb->q_tag == BTA_AV_Q_TAG_OPEN) {
|
|
APPL_TRACE_DEBUG ("bta_av_sys_rs_cback: rs_idx(%d), hndl:x%x q_tag: %d\n",
|
|
bta_av_cb.rs_idx, p_scb->hndl, p_scb->q_tag);
|
|
|
|
if (HCI_SUCCESS == app_id || HCI_ERR_NO_CONNECTION == app_id) {
|
|
p_scb->q_info.open.switch_res = BTA_AV_RS_OK;
|
|
} else {
|
|
p_scb->q_info.open.switch_res = BTA_AV_RS_FAIL;
|
|
}
|
|
|
|
/* Continue av open process */
|
|
bta_av_do_disc_a2d (p_scb, (tBTA_AV_DATA *) & (p_scb->q_info.open));
|
|
}
|
|
|
|
bta_av_cb.rs_idx = 0;
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_sco_chg_cback
|
|
**
|
|
** Description receive & process the SCO connection up/down event from sys.
|
|
** call setup also triggers this callback, to suspend av before sco
|
|
** activity happens, or to resume av once call ends.
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_av_sco_chg_cback(tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8
|
|
app_id, BD_ADDR peer_addr)
|
|
{
|
|
tBTA_AV_SCB *p_scb;
|
|
int i;
|
|
tBTA_AV_API_STOP stop;
|
|
UNUSED(app_id);
|
|
UNUSED(peer_addr);
|
|
|
|
APPL_TRACE_DEBUG("bta_av_sco_chg_cback:%d status:%d\n", id, status);
|
|
if (id) {
|
|
bta_av_cb.sco_occupied = TRUE;
|
|
|
|
/* either BTA_SYS_SCO_OPEN or BTA_SYS_SCO_CLOSE with remaining active SCO */
|
|
for (i = 0; i < BTA_AV_NUM_STRS; i++) {
|
|
p_scb = bta_av_cb.p_scb[i];
|
|
|
|
if ( p_scb && p_scb->co_started && (p_scb->sco_suspend == FALSE)) {
|
|
APPL_TRACE_DEBUG("suspending scb:%d\n", i);
|
|
/* scb is used and started, not suspended automatically */
|
|
p_scb->sco_suspend = TRUE;
|
|
stop.flush = FALSE;
|
|
stop.suspend = TRUE;
|
|
bta_av_ssm_execute(p_scb, BTA_AV_AP_STOP_EVT, (tBTA_AV_DATA *)&stop);
|
|
}
|
|
}
|
|
} else {
|
|
bta_av_cb.sco_occupied = FALSE;
|
|
|
|
for (i = 0; i < BTA_AV_NUM_STRS; i++) {
|
|
p_scb = bta_av_cb.p_scb[i];
|
|
|
|
if ( p_scb && p_scb->sco_suspend ) { /* scb is used and suspended for SCO */
|
|
APPL_TRACE_DEBUG("starting scb:%d\n", i);
|
|
bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_switch_if_needed
|
|
**
|
|
** Description This function checks if there is another existing AV
|
|
** channel that is local as slave role.
|
|
** If so, role switch and remove it from link policy.
|
|
**
|
|
** Returns TRUE, if role switch is done
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN bta_av_switch_if_needed(tBTA_AV_SCB *p_scb)
|
|
{
|
|
UINT8 role;
|
|
BOOLEAN needed = FALSE;
|
|
tBTA_AV_SCB *p_scbi;
|
|
int i;
|
|
UINT8 mask;
|
|
|
|
for (i = 0; i < BTA_AV_NUM_STRS; i++) {
|
|
mask = BTA_AV_HNDL_TO_MSK(i);
|
|
p_scbi = bta_av_cb.p_scb[i];
|
|
if ( p_scbi && (p_scb->hdi != i) && /* not the original channel */
|
|
((bta_av_cb.conn_audio & mask) ||/* connected audio */
|
|
(bta_av_cb.conn_video & mask)) ) { /* connected video */
|
|
BTM_GetRole(p_scbi->peer_addr, &role);
|
|
/* this channel is open - clear the role switch link policy for this link */
|
|
if (BTM_ROLE_MASTER != role) {
|
|
if (bta_av_cb.features & BTA_AV_FEAT_MASTER) {
|
|
bta_sys_clear_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH, p_scbi->peer_addr);
|
|
}
|
|
if (BTM_CMD_STARTED != BTM_SwitchRole(p_scbi->peer_addr, BTM_ROLE_MASTER, NULL)) {
|
|
/* can not switch role on SCBI
|
|
* start the timer on SCB - because this function is ONLY called when SCB gets API_OPEN */
|
|
bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RS_TIME_VAL);
|
|
}
|
|
needed = TRUE;
|
|
/* mark the original channel as waiting for RS result */
|
|
bta_av_cb.rs_idx = p_scb->hdi + 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return needed;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_link_role_ok
|
|
**
|
|
** Description This function checks if the SCB has existing ACL connection
|
|
** If so, check if the link role fits the requirements.
|
|
**
|
|
** Returns TRUE, if role is ok
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN bta_av_link_role_ok(tBTA_AV_SCB *p_scb, UINT8 bits)
|
|
{
|
|
UINT8 role;
|
|
BOOLEAN is_ok = TRUE;
|
|
|
|
if (BTM_GetRole(p_scb->peer_addr, &role) == BTM_SUCCESS) {
|
|
LOG_INFO("%s hndl:x%x role:%d conn_audio:x%x bits:%d features:x%x\n",
|
|
__func__, p_scb->hndl, role, bta_av_cb.conn_audio, bits,
|
|
bta_av_cb.features);
|
|
if (BTM_ROLE_MASTER != role && (A2D_BitsSet(bta_av_cb.conn_audio) > bits || (bta_av_cb.features & BTA_AV_FEAT_MASTER))) {
|
|
if (bta_av_cb.features & BTA_AV_FEAT_MASTER) {
|
|
bta_sys_clear_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH, p_scb->peer_addr);
|
|
}
|
|
|
|
if (BTM_CMD_STARTED != BTM_SwitchRole(p_scb->peer_addr, BTM_ROLE_MASTER, NULL)) {
|
|
/* can not switch role on SCB - start the timer on SCB */
|
|
}
|
|
is_ok = FALSE;
|
|
p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_START;
|
|
|
|
}
|
|
}
|
|
|
|
return is_ok;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_chk_mtu
|
|
**
|
|
** Description if this is audio channel, check if more than one audio
|
|
** channel is connected.
|
|
**
|
|
** Returns The smallest mtu of the connected audio channels
|
|
**
|
|
*******************************************************************************/
|
|
UINT16 bta_av_chk_mtu(tBTA_AV_SCB *p_scb, UINT16 mtu)
|
|
{
|
|
UINT16 ret_mtu = BTA_AV_MAX_A2DP_MTU;
|
|
tBTA_AV_SCB *p_scbi;
|
|
int i;
|
|
UINT8 mask;
|
|
UNUSED(mtu);
|
|
|
|
/* TODO_MV mess with the mtu according to the number of EDR/non-EDR headsets */
|
|
if (p_scb->chnl == BTA_AV_CHNL_AUDIO) {
|
|
if (bta_av_cb.audio_open_cnt >= 2) {
|
|
/* more than one audio channel is connected */
|
|
for (i = 0; i < BTA_AV_NUM_STRS; i++) {
|
|
p_scbi = bta_av_cb.p_scb[i];
|
|
if ((p_scb != p_scbi) && p_scbi && (p_scbi->chnl == BTA_AV_CHNL_AUDIO) ) {
|
|
mask = BTA_AV_HNDL_TO_MSK(i);
|
|
APPL_TRACE_DEBUG("[%d] mtu: %d, mask:0x%x\n",
|
|
i, p_scbi->stream_mtu, mask);
|
|
if (bta_av_cb.conn_audio & mask) {
|
|
if (ret_mtu > p_scbi->stream_mtu) {
|
|
ret_mtu = p_scbi->stream_mtu;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
APPL_TRACE_DEBUG("bta_av_chk_mtu audio count:%d, conn_audio:0x%x, ret:%d\n",
|
|
bta_av_cb.audio_open_cnt, bta_av_cb.conn_audio, ret_mtu);
|
|
}
|
|
return ret_mtu;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_dup_audio_buf
|
|
**
|
|
** Description dup the audio data to the q_info.a2d of other audio channels
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_av_dup_audio_buf(tBTA_AV_SCB *p_scb, BT_HDR *p_buf)
|
|
{
|
|
tBTA_AV_SCB *p_scbi;
|
|
int i;
|
|
UINT16 copy_size;
|
|
BT_HDR *p_new;
|
|
|
|
if (!p_buf) {
|
|
return;
|
|
}
|
|
|
|
if (bta_av_cb.audio_open_cnt >= 2) {
|
|
copy_size = BT_HDR_SIZE + p_buf->len + p_buf->offset;
|
|
/* more than one audio channel is connected */
|
|
for (i = 0; i < BTA_AV_NUM_STRS; i++) {
|
|
p_scbi = bta_av_cb.p_scb[i];
|
|
if ( (p_scb->hdi != i) && /* not the original channel */
|
|
(bta_av_cb.conn_audio & BTA_AV_HNDL_TO_MSK(i)) && /* connected audio */
|
|
p_scbi && p_scbi->co_started ) { /* scb is used and started */
|
|
/* enqueue the data only when the stream is started */
|
|
p_new = (BT_HDR *)osi_malloc(copy_size);
|
|
if (p_new) {
|
|
memcpy(p_new, p_buf, copy_size);
|
|
list_append(p_scbi->a2d_list, p_new);
|
|
if (list_length(p_scbi->a2d_list) > p_bta_av_cfg->audio_mqs) {
|
|
// Drop the oldest packet
|
|
bta_av_co_audio_drop(p_scbi->hndl);
|
|
BT_HDR *p_buf = list_front(p_scbi->a2d_list);
|
|
list_remove(p_scbi->a2d_list, p_buf);
|
|
osi_free(p_buf);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_sm_execute
|
|
**
|
|
** Description State machine event handling function for AV
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_av_sm_execute(tBTA_AV_CB *p_cb, UINT16 event, tBTA_AV_DATA *p_data)
|
|
{
|
|
tBTA_AV_ST_TBL state_table;
|
|
UINT8 action;
|
|
|
|
#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
|
|
APPL_TRACE_EVENT("AV event=0x%x(%s) state=%d(%s)\n",
|
|
event, bta_av_evt_code(event), p_cb->state, bta_av_st_code(p_cb->state));
|
|
#else
|
|
APPL_TRACE_EVENT("AV event=0x%x state=%d\n", event, p_cb->state);
|
|
#endif
|
|
|
|
/* look up the state table for the current state */
|
|
state_table = bta_av_st_tbl[p_cb->state];
|
|
|
|
event &= 0x00FF;
|
|
|
|
/* set next state */
|
|
p_cb->state = state_table[event][BTA_AV_NEXT_STATE];
|
|
APPL_TRACE_EVENT("next state=%d\n", p_cb->state);
|
|
|
|
/* execute action functions */
|
|
if ((action = state_table[event][BTA_AV_ACTION_COL]) != BTA_AV_IGNORE) {
|
|
(*bta_av_action[action])(p_cb, p_data);
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_hdl_event
|
|
**
|
|
** Description Advanced audio/video main event handling function.
|
|
**
|
|
**
|
|
** Returns BOOLEAN
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN bta_av_hdl_event(BT_HDR *p_msg)
|
|
{
|
|
UINT16 event = p_msg->event;
|
|
UINT16 first_event = BTA_AV_FIRST_NSM_EVT;
|
|
|
|
if (event > BTA_AV_LAST_EVT) {
|
|
return TRUE; /* to free p_msg */
|
|
}
|
|
|
|
if (event >= first_event) {
|
|
#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
|
|
APPL_TRACE_VERBOSE("AV nsm event=0x%x(%s)\n", event, bta_av_evt_code(event));
|
|
#else
|
|
APPL_TRACE_VERBOSE("AV nsm event=0x%x\n", event);
|
|
#endif
|
|
/* non state machine events */
|
|
(*bta_av_nsm_act[event - BTA_AV_FIRST_NSM_EVT]) ((tBTA_AV_DATA *) p_msg);
|
|
} else if (event >= BTA_AV_FIRST_SM_EVT && event <= BTA_AV_LAST_SM_EVT) {
|
|
#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
|
|
APPL_TRACE_VERBOSE("AV sm event=0x%x(%s)\n", event, bta_av_evt_code(event));
|
|
#else
|
|
APPL_TRACE_VERBOSE("AV sm event=0x%x\n", event);
|
|
#endif
|
|
/* state machine events */
|
|
bta_av_sm_execute(&bta_av_cb, p_msg->event, (tBTA_AV_DATA *) p_msg);
|
|
} else {
|
|
APPL_TRACE_VERBOSE("handle=0x%x\n", p_msg->layer_specific);
|
|
tBTA_AV_SCB *p_scb = bta_av_hndl_to_scb(p_msg->layer_specific);
|
|
p_scb->disc_rsn = p_msg->offset;
|
|
/* stream state machine events */
|
|
bta_av_ssm_execute(p_scb, p_msg->event, (tBTA_AV_DATA *) p_msg);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
** Debug Functions
|
|
*****************************************************************************/
|
|
#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_st_code
|
|
**
|
|
** Description
|
|
**
|
|
** Returns char *
|
|
**
|
|
*******************************************************************************/
|
|
UNUSED_ATTR static char *bta_av_st_code(UINT8 state)
|
|
{
|
|
switch (state) {
|
|
case BTA_AV_INIT_ST: return "INIT";
|
|
case BTA_AV_OPEN_ST: return "OPEN";
|
|
default: return "unknown";
|
|
}
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_evt_code
|
|
**
|
|
** Description
|
|
**
|
|
** Returns char *
|
|
**
|
|
*******************************************************************************/
|
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char *bta_av_evt_code(UINT16 evt_code)
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{
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switch (evt_code) {
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case BTA_AV_API_DISABLE_EVT: return "API_DISABLE";
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case BTA_AV_API_REMOTE_CMD_EVT: return "API_REMOTE_CMD";
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case BTA_AV_API_VENDOR_CMD_EVT: return "API_VENDOR_CMD";
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case BTA_AV_API_VENDOR_RSP_EVT: return "API_VENDOR_RSP";
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case BTA_AV_API_META_RSP_EVT: return "API_META_RSP_EVT";
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case BTA_AV_API_RC_CLOSE_EVT: return "API_RC_CLOSE";
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case BTA_AV_AVRC_OPEN_EVT: return "AVRC_OPEN";
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case BTA_AV_AVRC_MSG_EVT: return "AVRC_MSG";
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case BTA_AV_AVRC_NONE_EVT: return "AVRC_NONE";
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case BTA_AV_API_OPEN_EVT: return "API_OPEN";
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case BTA_AV_API_CLOSE_EVT: return "API_CLOSE";
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case BTA_AV_AP_START_EVT: return "AP_START";
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case BTA_AV_AP_STOP_EVT: return "AP_STOP";
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case BTA_AV_API_RECONFIG_EVT: return "API_RECONFIG";
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case BTA_AV_API_PROTECT_REQ_EVT: return "API_PROTECT_REQ";
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case BTA_AV_API_PROTECT_RSP_EVT: return "API_PROTECT_RSP";
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case BTA_AV_API_RC_OPEN_EVT: return "API_RC_OPEN";
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case BTA_AV_SRC_DATA_READY_EVT: return "SRC_DATA_READY";
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case BTA_AV_CI_SETCONFIG_OK_EVT: return "CI_SETCONFIG_OK";
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case BTA_AV_CI_SETCONFIG_FAIL_EVT: return "CI_SETCONFIG_FAIL";
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case BTA_AV_SDP_DISC_OK_EVT: return "SDP_DISC_OK";
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case BTA_AV_SDP_DISC_FAIL_EVT: return "SDP_DISC_FAIL";
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case BTA_AV_STR_DISC_OK_EVT: return "STR_DISC_OK";
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case BTA_AV_STR_DISC_FAIL_EVT: return "STR_DISC_FAIL";
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case BTA_AV_STR_GETCAP_OK_EVT: return "STR_GETCAP_OK";
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case BTA_AV_STR_GETCAP_FAIL_EVT: return "STR_GETCAP_FAIL";
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case BTA_AV_STR_OPEN_OK_EVT: return "STR_OPEN_OK";
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case BTA_AV_STR_OPEN_FAIL_EVT: return "STR_OPEN_FAIL";
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case BTA_AV_STR_START_OK_EVT: return "STR_START_OK";
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case BTA_AV_STR_START_FAIL_EVT: return "STR_START_FAIL";
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case BTA_AV_STR_CLOSE_EVT: return "STR_CLOSE";
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case BTA_AV_STR_CONFIG_IND_EVT: return "STR_CONFIG_IND";
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case BTA_AV_STR_SECURITY_IND_EVT: return "STR_SECURITY_IND";
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case BTA_AV_STR_SECURITY_CFM_EVT: return "STR_SECURITY_CFM";
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case BTA_AV_STR_WRITE_CFM_EVT: return "STR_WRITE_CFM";
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case BTA_AV_STR_SUSPEND_CFM_EVT: return "STR_SUSPEND_CFM";
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case BTA_AV_STR_RECONFIG_CFM_EVT: return "STR_RECONFIG_CFM";
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case BTA_AV_AVRC_TIMER_EVT: return "AVRC_TIMER";
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case BTA_AV_AVDT_CONNECT_EVT: return "AVDT_CONNECT";
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case BTA_AV_AVDT_DISCONNECT_EVT: return "AVDT_DISCONNECT";
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case BTA_AV_ROLE_CHANGE_EVT: return "ROLE_CHANGE";
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case BTA_AV_AVDT_DELAY_RPT_EVT: return "AVDT_DELAY_RPT";
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case BTA_AV_ACP_CONNECT_EVT: return "ACP_CONNECT";
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case BTA_AV_API_ENABLE_EVT: return "API_ENABLE";
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case BTA_AV_API_REGISTER_EVT: return "API_REG";
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case BTA_AV_API_DEREGISTER_EVT: return "API_DEREG";
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case BTA_AV_API_DISCONNECT_EVT: return "API_DISCNT";
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case BTA_AV_CI_SRC_DATA_READY_EVT: return "CI_DATA_READY";
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case BTA_AV_SIG_CHG_EVT: return "SIG_CHG";
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case BTA_AV_SIG_TIMER_EVT: return "SIG_TMR";
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case BTA_AV_SDP_AVRC_DISC_EVT: return "SDP_AVRC_DISC";
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case BTA_AV_AVRC_CLOSE_EVT: return "AVRC_CLOSE";
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case BTA_AV_CONN_CHG_EVT: return "CONN_CHG";
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case BTA_AV_DEREG_COMP_EVT: return "DEREG_COMP";
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#if (BTA_AV_SINK_INCLUDED == TRUE)
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case BTA_AV_API_SINK_ENABLE_EVT: return "SINK_ENABLE";
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#endif
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#if (AVDT_REPORTING == TRUE)
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case BTA_AV_AVDT_RPT_CONN_EVT: return "RPT_CONN";
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#endif
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case BTA_AV_API_START_EVT: return "API_START";
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case BTA_AV_API_STOP_EVT: return "API_STOP";
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default: return "unknown";
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}
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}
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#endif
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#endif /* BTA_AV_INCLUDED */
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