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 <vector> 20 21 #include "audio_a2dp_hw/include/audio_a2dp_hw.h" 22 #include "common/message_loop_thread.h" 23 24 namespace bluetooth { 25 namespace audio { 26 namespace a2dp { 27 28 bool update_codec_offloading_capabilities( 29 const std::vector<btav_a2dp_codec_config_t>& framework_preference); 30 31 // Check if new bluetooth_audio is enabled 32 bool is_hal_enabled(); 33 34 // Check if new bluetooth_audio is running with offloading encoders 35 bool is_hal_offloading(); 36 37 // Initialize BluetoothAudio HAL: openProvider 38 bool init(bluetooth::common::MessageLoopThread* message_loop); 39 40 // Clean up BluetoothAudio HAL 41 void cleanup(); 42 43 // Set up the codec into BluetoothAudio HAL 44 bool setup_codec(); 45 46 // Set low latency buffer mode allowed or disallowed 47 void set_audio_low_latency_mode_allowed(bool allowed); 48 49 // Send command to the BluetoothAudio HAL: StartSession, EndSession, 50 // StreamStarted, StreamSuspended 51 void start_session(); 52 void end_session(); 53 void ack_stream_started(const tA2DP_CTRL_ACK& status); 54 void ack_stream_suspended(const tA2DP_CTRL_ACK& status); 55 56 // Read from the FMQ of BluetoothAudio HAL 57 size_t read(uint8_t* p_buf, uint32_t len); 58 59 // Update A2DP delay report to BluetoothAudio HAL 60 void set_remote_delay(uint16_t delay_report); 61 62 // Check whether OPUS is supported 63 bool is_opus_supported(); 64 65 } // namespace a2dp 66 } // namespace audio 67 } // namespace bluetooth 68