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 "audio_aidl_interfaces.h" 20 #include "transport_instance.h" 21 22 namespace bluetooth { 23 namespace audio { 24 namespace aidl { 25 26 using ::aidl::android::hardware::audio::common::SinkMetadata; 27 using ::aidl::android::hardware::audio::common::SourceMetadata; 28 using ::aidl::android::hardware::bluetooth::audio::BnBluetoothAudioPort; 29 using ::aidl::android::hardware::bluetooth::audio::CodecType; 30 using ::aidl::android::hardware::bluetooth::audio::IBluetoothAudioProvider; 31 using ::aidl::android::hardware::bluetooth::audio::LatencyMode; 32 using ::aidl::android::hardware::bluetooth::audio::PresentationPosition; 33 34 class BluetoothAudioPortImpl : public BnBluetoothAudioPort { 35 public: 36 BluetoothAudioPortImpl( 37 IBluetoothTransportInstance* transport_instance, 38 const std::shared_ptr<IBluetoothAudioProvider>& provider); 39 40 ndk::ScopedAStatus startStream(bool is_low_latency) override; 41 42 ndk::ScopedAStatus suspendStream() override; 43 44 ndk::ScopedAStatus stopStream() override; 45 46 ndk::ScopedAStatus getPresentationPosition( 47 PresentationPosition* _aidl_return) override; 48 49 ndk::ScopedAStatus updateSourceMetadata( 50 const SourceMetadata& source_metadata) override; 51 52 ndk::ScopedAStatus updateSinkMetadata( 53 const SinkMetadata& sink_metadata) override; 54 55 ndk::ScopedAStatus setLatencyMode(LatencyMode latency_mode) override; 56 57 protected: 58 virtual ~BluetoothAudioPortImpl(); 59 60 IBluetoothTransportInstance* transport_instance_; 61 const std::shared_ptr<IBluetoothAudioProvider> provider_; 62 PresentationPosition::TimeSpec timespec_convert_to_hal(const timespec& ts); 63 64 private: 65 ndk::ScopedAStatus switchCodec(bool isLowLatency); 66 67 ndk::SpAIBinder createBinder() override; 68 }; 69 70 } // namespace aidl 71 } // namespace audio 72 } // namespace bluetooth 73