144 lines
3.7 KiB
C++
144 lines
3.7 KiB
C++
/*
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* Copyright 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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*/
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#ifndef _ANDROID_MEDIA_TV_DVR_CLIENT_H_
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#define _ANDROID_MEDIA_TV_DVR_CLIENT_H_
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#include <aidl/android/hardware/tv/tuner/DvrSettings.h>
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#include <aidl/android/hardware/tv/tuner/Result.h>
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#include <aidl/android/media/tv/tuner/BnTunerDvrCallback.h>
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#include <aidl/android/media/tv/tuner/ITunerDvr.h>
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#include <fmq/AidlMessageQueue.h>
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#include "DvrClientCallback.h"
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#include "FilterClient.h"
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using Status = ::ndk::ScopedAStatus;
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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::android::hardware::tv::tuner::DvrSettings;
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using ::aidl::android::hardware::tv::tuner::PlaybackStatus;
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using ::aidl::android::hardware::tv::tuner::RecordStatus;
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using ::aidl::android::hardware::tv::tuner::Result;
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using ::aidl::android::media::tv::tuner::BnTunerDvrCallback;
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using ::aidl::android::media::tv::tuner::ITunerDvr;
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using namespace std;
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namespace android {
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using AidlMQ = AidlMessageQueue<int8_t, SynchronizedReadWrite>;
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using AidlMQDesc = MQDescriptor<int8_t, SynchronizedReadWrite>;
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class TunerDvrCallback : public BnTunerDvrCallback {
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public:
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TunerDvrCallback(sp<DvrClientCallback> dvrClientCallback);
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Status onRecordStatus(RecordStatus status);
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Status onPlaybackStatus(PlaybackStatus status);
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private:
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sp<DvrClientCallback> mDvrClientCallback;
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};
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struct DvrClient : public RefBase {
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public:
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DvrClient(shared_ptr<ITunerDvr> tunerDvr);
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~DvrClient();
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/**
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* Set the DVR file descriptor.
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*/
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void setFd(int32_t fd);
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/**
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* Read data from file with given size. Return the actual read size.
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*/
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int64_t readFromFile(int64_t size);
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/**
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* Read data from the given buffer with given size. Return the actual read size.
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*/
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int64_t readFromBuffer(int8_t* buffer, int64_t size);
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/**
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* Write data to file with given size. Return the actual write size.
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*/
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int64_t writeToFile(int64_t size);
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/**
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* Seeks the Dvr file descriptor from the beginning of the file.
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*/
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int64_t seekFile(int64_t pos);
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/**
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* Write data to the given buffer with given size. Return the actual write size.
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*/
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int64_t writeToBuffer(int8_t* buffer, int64_t size);
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/**
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* Configure the DVR.
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*/
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Result configure(DvrSettings settings);
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/**
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* Attach one filter to DVR interface for recording.
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*/
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Result attachFilter(sp<FilterClient> filterClient);
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/**
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* Detach one filter from the DVR's recording.
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*/
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Result detachFilter(sp<FilterClient> filterClient);
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/**
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* Start DVR.
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*/
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Result start();
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/**
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* Stop DVR.
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*/
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Result stop();
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/**
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* Flush DVR data.
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*/
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Result flush();
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/**
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* close the DVR instance to release resource for DVR.
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*/
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Result close();
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private:
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/**
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* An AIDL Tuner Dvr Singleton assigned at the first time the Tuner Client
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* opens a dvr. Default null when dvr is not opened.
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*/
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shared_ptr<ITunerDvr> mTunerDvr;
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AidlMQ* mDvrMQ;
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EventFlag* mDvrMQEventFlag;
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string mFilePath;
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int32_t mFd;
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};
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} // namespace android
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#endif // _ANDROID_MEDIA_TV_DVR_CLIENT_H_
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