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