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/*
* Copyright 2020 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.
*/
#ifndef _ANDROID_MEDIA_TV_DVR_CLIENT_H_
#define _ANDROID_MEDIA_TV_DVR_CLIENT_H_
#include <aidl/android/media/tv/tuner/BnTunerDvrCallback.h>
#include <aidl/android/media/tv/tuner/ITunerDvr.h>
#include <android/hardware/tv/tuner/1.0/IDvr.h>
#include <android/hardware/tv/tuner/1.0/IDvrCallback.h>
#include <android/hardware/tv/tuner/1.1/types.h>
#include <fmq/AidlMessageQueue.h>
#include <fmq/MessageQueue.h>
#include "DvrClientCallback.h"
#include "FilterClient.h"
using Status = ::ndk::ScopedAStatus;
using ::aidl::android::hardware::common::fmq::SynchronizedReadWrite;
using ::aidl::android::media::tv::tuner::BnTunerDvrCallback;
using ::aidl::android::media::tv::tuner::ITunerDvr;
using ::aidl::android::media::tv::tuner::TunerDvrSettings;
using ::android::hardware::EventFlag;
using ::android::hardware::MQDescriptorSync;
using ::android::hardware::MessageQueue;
using ::android::hardware::tv::tuner::V1_0::DvrSettings;
using ::android::hardware::tv::tuner::V1_0::IDvr;
using ::android::hardware::tv::tuner::V1_0::IDvrCallback;
using namespace std;
namespace android {
using MQ = MessageQueue<uint8_t, kSynchronizedReadWrite>;
using MQDesc = MQDescriptorSync<uint8_t>;
using AidlMQ = AidlMessageQueue<int8_t, SynchronizedReadWrite>;
using AidlMQDesc = MQDescriptor<int8_t, SynchronizedReadWrite>;
class TunerDvrCallback : public BnTunerDvrCallback {
public:
TunerDvrCallback(sp<DvrClientCallback> dvrClientCallback);
Status onRecordStatus(int status);
Status onPlaybackStatus(int status);
private:
sp<DvrClientCallback> mDvrClientCallback;
};
struct HidlDvrCallback : public IDvrCallback {
public:
HidlDvrCallback(sp<DvrClientCallback> dvrClientCallback);
virtual Return<void> onRecordStatus(const RecordStatus status);
virtual Return<void> onPlaybackStatus(const PlaybackStatus status);
private:
sp<DvrClientCallback> mDvrClientCallback;
};
struct DvrClient : public RefBase {
public:
DvrClient(shared_ptr<ITunerDvr> tunerDvr);
~DvrClient();
// TODO: remove after migration to Tuner Service is done.
void setHidlDvr(sp<IDvr> dvr);
/**
* Set the DVR file descriptor.
*/
void setFd(int fd);
/**
* Read data from file with given size. Return the actual read size.
*/
long readFromFile(long size);
/**
* Read data from the given buffer with given size. Return the actual read size.
*/
long readFromBuffer(int8_t* buffer, long size);
/**
* Write data to file with given size. Return the actual write size.
*/
long writeToFile(long size);
/**
* Write data to the given buffer with given size. Return the actual write size.
*/
long writeToBuffer(int8_t* buffer, long size);
/**
* Configure the DVR.
*/
Result configure(DvrSettings settings);
/**
* Attach one filter to DVR interface for recording.
*/
Result attachFilter(sp<FilterClient> filterClient);
/**
* Detach one filter from the DVR's recording.
*/
Result detachFilter(sp<FilterClient> filterClient);
/**
* Start DVR.
*/
Result start();
/**
* Stop DVR.
*/
Result stop();
/**
* Flush DVR data.
*/
Result flush();
/**
* close the DVR instance to release resource for DVR.
*/
Result close();
private:
Result getQueueDesc(MQDesc& dvrMQDesc);
TunerDvrSettings getAidlDvrSettingsFromHidl(DvrSettings settings);
/**
* An AIDL Tuner Dvr Singleton assigned at the first time the Tuner Client
* opens a dvr. Default null when dvr is not opened.
*/
shared_ptr<ITunerDvr> mTunerDvr;
/**
* A Dvr HAL interface that is ready before migrating to the TunerDvr.
* This is a temprary interface before Tuner Framework migrates to use TunerService.
* Default null when the HAL service does not exist.
*/
sp<IDvr> mDvr;
AidlMQ* mDvrMQ;
EventFlag* mDvrMQEventFlag;
string mFilePath;
int mFd;
};
} // namespace android
#endif // _ANDROID_MEDIA_TV_DVR_CLIENT_H_
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