1 /* 2 * Copyright 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <functional> 20 #include "common/message_loop_thread.h" 21 22 namespace bluetooth { 23 namespace audio { 24 namespace hearing_aid { 25 26 struct StreamCallbacks { 27 std::function<bool(bool start_media_task)> on_resume_; 28 std::function<bool(void)> on_suspend_; 29 }; 30 31 // Check if new bluetooth_audio is enabled 32 bool is_hal_2_0_enabled(); 33 34 // Initialize BluetoothAudio HAL: openProvider 35 bool init(StreamCallbacks stream_cb, 36 bluetooth::common::MessageLoopThread* message_loop); 37 38 // Clean up BluetoothAudio HAL 39 void cleanup(); 40 41 // Send command to the BluetoothAudio HAL: StartSession, EndSession 42 void start_session(); 43 void end_session(); 44 45 void set_remote_delay(uint16_t delay_report_ms); 46 47 // Read from the FMQ of BluetoothAudio HAL 48 size_t read(uint8_t* p_buf, uint32_t len); 49 50 } // namespace hearing_aid 51 } // namespace audio 52 } // namespace bluetooth 53