1 // Copyright (C) 2020 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 17 #include <aidl/device/google/atv/audio_proxy/AudioDrain.h> 18 #include <aidl/device/google/atv/audio_proxy/TimeSpec.h> 19 20 #include <memory> 21 22 #include "public/audio_proxy.h" 23 24 namespace audio_proxy { 25 26 using aidl::device::google::atv::audio_proxy::AudioDrain; 27 using aidl::device::google::atv::audio_proxy::TimeSpec; 28 29 // C++ friendly wrapper of audio_proxy_stream_out. It handles type conversion 30 // between C type and aidl type. 31 class AudioProxyStreamOut final { 32 public: 33 AudioProxyStreamOut(audio_proxy_stream_out_t* stream, 34 audio_proxy_device_t* device); 35 ~AudioProxyStreamOut(); 36 37 ssize_t write(const void* buffer, size_t bytes); 38 void getPresentationPosition(int64_t* frames, TimeSpec* timestamp) const; 39 40 void standby(); 41 void pause(); 42 void resume(); 43 void drain(AudioDrain type); 44 void flush(); 45 46 void setVolume(float left, float right); 47 48 private: 49 audio_proxy_stream_out_t* const mStream; 50 audio_proxy_device_t* const mDevice; 51 }; 52 53 } // namespace audio_proxy 54