71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
// Copyright (C) 2021 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <aidl/device/google/atv/audio_proxy/IOutputStream.h>
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#include <fmq/AidlMessageQueue.h>
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#include <fmq/EventFlag.h>
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#include "BusOutputStream.h"
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namespace audio_proxy {
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namespace service {
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using aidl::android::hardware::common::fmq::MQDescriptor;
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using aidl::android::hardware::common::fmq::SynchronizedReadWrite;
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using aidl::device::google::atv::audio_proxy::IOutputStream;
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using android::AidlMessageQueue;
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using android::hardware::EventFlag;
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class RemoteBusOutputStream : public BusOutputStream {
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public:
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RemoteBusOutputStream(std::shared_ptr<IOutputStream> stream,
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const std::string& address,
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const AidlAudioConfig& config, int32_t flags);
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~RemoteBusOutputStream() override;
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bool standby() override;
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bool pause() override;
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bool resume() override;
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bool drain(AidlAudioDrain drain) override;
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bool flush() override;
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bool close() override;
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bool setVolume(float left, float right) override;
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size_t availableToWrite() override;
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AidlWriteStatus writeRingBuffer(const uint8_t* firstMem, size_t firstLength,
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const uint8_t* secondMem,
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size_t secondLength) override;
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protected:
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bool prepareForWritingImpl(uint32_t frameSize, uint32_t frameCount) override;
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private:
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using DataMQ = AidlMessageQueue<int8_t, SynchronizedReadWrite>;
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using DataMQDesc = MQDescriptor<int8_t, SynchronizedReadWrite>;
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using StatusMQ = AidlMessageQueue<AidlWriteStatus, SynchronizedReadWrite>;
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using StatusMQDesc = MQDescriptor<AidlWriteStatus, SynchronizedReadWrite>;
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typedef void (*EventFlagDeleter)(EventFlag*);
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std::shared_ptr<IOutputStream> mStream;
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std::unique_ptr<DataMQ> mDataMQ;
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std::unique_ptr<StatusMQ> mStatusMQ;
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std::unique_ptr<EventFlag, EventFlagDeleter> mEventFlag;
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};
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} // namespace service
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} // namespace audio_proxy
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