1 /* 2 * Copyright (C) 2023 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 "StreamAlsa.h" 22 #include "StreamSwitcher.h" 23 24 namespace aidl::android::hardware::audio::core { 25 26 class StreamPrimary : public StreamAlsa { 27 public: 28 StreamPrimary(StreamContext* context, const Metadata& metadata); 29 30 protected: 31 std::vector<alsa::DeviceProfile> getDeviceProfiles() override; 32 33 const bool mIsInput; 34 }; 35 36 class StreamInPrimary final : public StreamIn, public StreamSwitcher, public StreamInHwGainHelper { 37 public: 38 friend class ndk::SharedRefBase; 39 StreamInPrimary( 40 StreamContext&& context, 41 const ::aidl::android::hardware::audio::common::SinkMetadata& sinkMetadata, 42 const std::vector<::aidl::android::media::audio::common::MicrophoneInfo>& microphones); 43 44 private: 45 static bool useStubStream(const ::aidl::android::media::audio::common::AudioDevice& device); 46 47 DeviceSwitchBehavior switchCurrentStream( 48 const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices) 49 override; 50 std::unique_ptr<StreamCommonInterfaceEx> createNewStream( 51 const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices, 52 StreamContext* context, const Metadata& metadata) override; onClose(StreamDescriptor::State)53 void onClose(StreamDescriptor::State) override { defaultOnClose(); } 54 55 ndk::ScopedAStatus getHwGain(std::vector<float>* _aidl_return) override; 56 ndk::ScopedAStatus setHwGain(const std::vector<float>& in_channelGains) override; 57 }; 58 59 class StreamOutPrimary final : public StreamOut, 60 public StreamSwitcher, 61 public StreamOutHwVolumeHelper { 62 public: 63 friend class ndk::SharedRefBase; 64 StreamOutPrimary(StreamContext&& context, 65 const ::aidl::android::hardware::audio::common::SourceMetadata& sourceMetadata, 66 const std::optional<::aidl::android::media::audio::common::AudioOffloadInfo>& 67 offloadInfo); 68 69 private: 70 static bool useStubStream(const ::aidl::android::media::audio::common::AudioDevice& device); 71 72 DeviceSwitchBehavior switchCurrentStream( 73 const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices) 74 override; 75 std::unique_ptr<StreamCommonInterfaceEx> createNewStream( 76 const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices, 77 StreamContext* context, const Metadata& metadata) override; onClose(StreamDescriptor::State)78 void onClose(StreamDescriptor::State) override { defaultOnClose(); } 79 80 ndk::ScopedAStatus getHwVolume(std::vector<float>* _aidl_return) override; 81 ndk::ScopedAStatus setHwVolume(const std::vector<float>& in_channelVolumes) override; 82 }; 83 84 } // namespace aidl::android::hardware::audio::core 85