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233 lines
8.1 KiB
233 lines
8.1 KiB
/******************************************************************************
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*
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* Copyright 2003-2012 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 implementation of the API for the audio gateway (AG)
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* subsystem of BTA, Broadcom's Bluetooth application layer for mobile
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* phones.
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*
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******************************************************************************/
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#include <base/bind.h>
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#include <base/location.h>
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#include <cstdint>
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#include <cstring>
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#include <vector>
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#include "bta/ag/bta_ag_int.h"
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#include "bta/include/bta_ag_api.h"
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#include "stack/include/btu.h" // do_in_main_thread
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/*****************************************************************************
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* Constants
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****************************************************************************/
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static const tBTA_SYS_REG bta_ag_reg = {bta_ag_hdl_event, BTA_AgDisable};
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const tBTA_AG_RES_DATA tBTA_AG_RES_DATA::kEmpty = {};
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/*******************************************************************************
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*
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* Function BTA_AgEnable
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*
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* Description Enable the audio gateway service. When the enable
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* operation is complete the callback function will be
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* called with a BTA_AG_ENABLE_EVT. This function must
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* be called before other function in the AG API are
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* called.
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*
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* Returns BTA_SUCCESS if OK, BTA_FAILURE otherwise.
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*
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******************************************************************************/
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tBTA_STATUS BTA_AgEnable(tBTA_AG_CBACK* p_cback) {
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/* Error if AG is already enabled, or AG is in the middle of disabling. */
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for (const tBTA_AG_SCB& scb : bta_ag_cb.scb) {
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if (scb.in_use) {
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APPL_TRACE_ERROR("BTA_AgEnable: FAILED, AG already enabled.");
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return BTA_FAILURE;
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}
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}
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bta_sys_register(BTA_ID_AG, &bta_ag_reg);
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do_in_main_thread(FROM_HERE, base::Bind(&bta_ag_api_enable, p_cback));
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return BTA_SUCCESS;
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}
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/*******************************************************************************
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*
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* Function BTA_AgDisable
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*
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* Description Disable the audio gateway service
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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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void BTA_AgDisable() {
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do_in_main_thread(FROM_HERE, base::Bind(&bta_ag_api_disable));
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}
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/*******************************************************************************
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*
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* Function BTA_AgRegister
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*
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* Description Register an Audio Gateway service.
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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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void BTA_AgRegister(tBTA_SERVICE_MASK services, tBTA_AG_FEAT features,
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const std::vector<std::string>& service_names,
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uint8_t app_id) {
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do_in_main_thread(FROM_HERE, base::Bind(&bta_ag_api_register, services,
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features, service_names, app_id));
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}
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/*******************************************************************************
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*
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* Function BTA_AgDeregister
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*
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* Description Deregister an audio gateway service.
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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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void BTA_AgDeregister(uint16_t handle) {
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do_in_main_thread(
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FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle,
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BTA_AG_API_DEREGISTER_EVT, tBTA_AG_DATA::kEmpty));
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}
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/*******************************************************************************
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*
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* Function BTA_AgOpen
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*
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* Description Opens a connection to a headset or hands-free device.
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* When connection is open callback function is called
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* with a BTA_AG_OPEN_EVT. Only the data connection is
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* opened. The audio connection is not opened.
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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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void BTA_AgOpen(uint16_t handle, const RawAddress& bd_addr) {
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tBTA_AG_DATA data = {};
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data.api_open.bd_addr = bd_addr;
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do_in_main_thread(FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle,
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BTA_AG_API_OPEN_EVT, data));
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}
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/*******************************************************************************
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*
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* Function BTA_AgClose
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*
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* Description Close the current connection to a headset or a handsfree
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* Any current audio connection will also be closed.
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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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void BTA_AgClose(uint16_t handle) {
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do_in_main_thread(FROM_HERE,
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base::Bind(&bta_ag_sm_execute_by_handle, handle,
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BTA_AG_API_CLOSE_EVT, tBTA_AG_DATA::kEmpty));
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}
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/*******************************************************************************
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*
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* Function BTA_AgAudioOpen
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*
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* Description Opens an audio connection to the currently connected
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* headset or hnadsfree.
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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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void BTA_AgAudioOpen(uint16_t handle) {
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do_in_main_thread(
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FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle,
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BTA_AG_API_AUDIO_OPEN_EVT, tBTA_AG_DATA::kEmpty));
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}
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/*******************************************************************************
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*
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* Function BTA_AgAudioClose
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*
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* Description Close the currently active audio connection to a headset
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* or hnadsfree. The data connection remains open
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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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void BTA_AgAudioClose(uint16_t handle) {
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do_in_main_thread(
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FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle,
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BTA_AG_API_AUDIO_CLOSE_EVT, tBTA_AG_DATA::kEmpty));
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}
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/*******************************************************************************
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*
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* Function BTA_AgResult
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*
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* Description Send an AT result code to a headset or hands-free device.
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* This function is only used when the AG parse mode is set
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* to BTA_AG_PARSE.
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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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void BTA_AgResult(uint16_t handle, tBTA_AG_RES result,
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const tBTA_AG_RES_DATA& data) {
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do_in_main_thread(FROM_HERE,
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base::Bind(&bta_ag_api_result, handle, result, data));
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}
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/*******************************************************************************
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*
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* Function BTA_AgSetCodec
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*
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* Description Specify the codec type to be used for the subsequent
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* audio connection.
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*
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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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void BTA_AgSetCodec(uint16_t handle, tBTA_AG_PEER_CODEC codec) {
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tBTA_AG_DATA data = {};
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data.api_setcodec.codec = codec;
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do_in_main_thread(FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle,
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BTA_AG_API_SETCODEC_EVT, data));
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}
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void BTA_AgSetScoAllowed(bool value) {
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do_in_main_thread(FROM_HERE, base::Bind(&bta_ag_set_sco_allowed, value));
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}
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void BTA_AgSetActiveDevice(const RawAddress& active_device_addr) {
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do_in_main_thread(
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FROM_HERE, base::Bind(&bta_ag_api_set_active_device, active_device_addr));
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}
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