1 /* 2 * Copyright 2022 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 "a2dp_sbc_constants.h" 22 #include "audio_a2dp_hw/include/audio_a2dp_hw.h" 23 #include "btif_a2dp_source.h" 24 #include "btif_av.h" 25 #include "btif_av_co.h" 26 #include "btif_hf.h" 27 #include "common/message_loop_thread.h" 28 #include "osi/include/log.h" 29 #include "osi/include/properties.h" 30 #include "types/raw_address.h" 31 32 namespace bluetooth { 33 namespace audio { 34 namespace aidl { 35 namespace a2dp { 36 37 bool update_codec_offloading_capabilities( 38 const std::vector<btav_a2dp_codec_config_t>& framework_preference); 39 40 /*** 41 * Check if new bluetooth_audio is enabled 42 ***/ 43 bool is_hal_enabled(); 44 45 /*** 46 * Check if new bluetooth_audio is running with offloading encoders 47 ***/ 48 bool is_hal_offloading(); 49 50 /*** 51 * Initialize BluetoothAudio HAL: openProvider 52 ***/ 53 bool init(bluetooth::common::MessageLoopThread* message_loop); 54 55 /*** 56 * Clean up BluetoothAudio HAL 57 ***/ 58 void cleanup(); 59 60 /*** 61 * Set up the codec into BluetoothAudio HAL 62 ***/ 63 bool setup_codec(); 64 65 /*** 66 * Send command to the BluetoothAudio HAL: StartSession, EndSession, 67 * StreamStarted, StreamSuspended 68 ***/ 69 void start_session(); 70 void end_session(); 71 void ack_stream_started(const tA2DP_CTRL_ACK& status); 72 void ack_stream_suspended(const tA2DP_CTRL_ACK& status); 73 74 /*** 75 * Read from the FMQ of BluetoothAudio HAL 76 ***/ 77 size_t read(uint8_t* p_buf, uint32_t len); 78 79 /*** 80 * Update A2DP delay report to BluetoothAudio HAL 81 ***/ 82 void set_remote_delay(uint16_t delay_report); 83 84 /*** 85 * Set low latency buffer mode allowed or disallowed 86 ***/ 87 void set_low_latency_mode_allowed(bool allowed); 88 } // namespace a2dp 89 } // namespace aidl 90 } // namespace audio 91 } // namespace bluetooth 92