Add Tuner AIDL default implementation
Bug: 191825295
Test: make and run VtsHalTvTunerTargetTest
Change-Id: I781f67424ca1890f038160a4fda660507ab9e916
diff --git a/tv/tuner/aidl/default/Demux.h b/tv/tuner/aidl/default/Demux.h
new file mode 100644
index 0000000..9f96d0f
--- /dev/null
+++ b/tv/tuner/aidl/default/Demux.h
@@ -0,0 +1,189 @@
+/*
+ * Copyright 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/android/hardware/tv/tuner/BnDemux.h>
+
+#include <fmq/AidlMessageQueue.h>
+#include <math.h>
+#include <set>
+#include "Dvr.h"
+#include "Filter.h"
+#include "Frontend.h"
+#include "TimeFilter.h"
+#include "Tuner.h"
+
+using namespace std;
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace tv {
+namespace tuner {
+
+using ::aidl::android::hardware::common::fmq::MQDescriptor;
+using ::aidl::android::hardware::common::fmq::SynchronizedReadWrite;
+using ::android::AidlMessageQueue;
+using ::android::hardware::EventFlag;
+
+using FilterMQ = AidlMessageQueue<int8_t, SynchronizedReadWrite>;
+
+class Dvr;
+class Filter;
+class Frontend;
+class TimeFilter;
+class Tuner;
+
+class Demux : public BnDemux {
+ public:
+ Demux(int32_t demuxId, std::shared_ptr<Tuner> tuner);
+ ~Demux();
+
+ ::ndk::ScopedAStatus setFrontendDataSource(int32_t in_frontendId) override;
+ ::ndk::ScopedAStatus openFilter(const DemuxFilterType& in_type, int32_t in_bufferSize,
+ const std::shared_ptr<IFilterCallback>& in_cb,
+ std::shared_ptr<IFilter>* _aidl_return) override;
+ ::ndk::ScopedAStatus openTimeFilter(std::shared_ptr<ITimeFilter>* _aidl_return) override;
+ ::ndk::ScopedAStatus getAvSyncHwId(const std::shared_ptr<IFilter>& in_filter,
+ int32_t* _aidl_return) override;
+ ::ndk::ScopedAStatus getAvSyncTime(int32_t in_avSyncHwId, int64_t* _aidl_return) override;
+ ::ndk::ScopedAStatus close() override;
+ ::ndk::ScopedAStatus openDvr(DvrType in_type, int32_t in_bufferSize,
+ const std::shared_ptr<IDvrCallback>& in_cb,
+ std::shared_ptr<IDvr>* _aidl_return) override;
+ ::ndk::ScopedAStatus connectCiCam(int32_t in_ciCamId) override;
+ ::ndk::ScopedAStatus disconnectCiCam() override;
+
+ // Functions interacts with Tuner Service
+ void stopFrontendInput();
+ ::ndk::ScopedAStatus removeFilter(int64_t filterId);
+ bool attachRecordFilter(int64_t filterId);
+ bool detachRecordFilter(int64_t filterId);
+ ::ndk::ScopedAStatus startFilterHandler(int64_t filterId);
+ void updateFilterOutput(int64_t filterId, vector<int8_t> data);
+ void updateMediaFilterOutput(int64_t filterId, vector<int8_t> data, uint64_t pts);
+ uint16_t getFilterTpid(int64_t filterId);
+ void setIsRecording(bool isRecording);
+ bool isRecording();
+ void startFrontendInputLoop();
+
+ /**
+ * A dispatcher to read and dispatch input data to all the started filters.
+ * Each filter handler handles the data filtering/output writing/filterEvent updating.
+ * Note that recording filters are not included.
+ */
+ bool startBroadcastFilterDispatcher();
+ void startBroadcastTsFilter(vector<int8_t> data);
+
+ void sendFrontendInputToRecord(vector<int8_t> data);
+ void sendFrontendInputToRecord(vector<int8_t> data, uint16_t pid, uint64_t pts);
+ bool startRecordFilterDispatcher();
+
+ private:
+ // Tuner service
+ std::shared_ptr<Tuner> mTunerService;
+
+ // Frontend source
+ std::shared_ptr<Frontend> mFrontend;
+
+ // A struct that passes the arguments to a newly created filter thread
+ struct ThreadArgs {
+ Demux* user;
+ int64_t filterId;
+ };
+
+ static void* __threadLoopFrontend(void* user);
+ void frontendInputThreadLoop();
+
+ /**
+ * To create a FilterMQ with the next available Filter ID.
+ * Creating Event Flag at the same time.
+ * Add the successfully created/saved FilterMQ into the local list.
+ *
+ * Return false is any of the above processes fails.
+ */
+ void deleteEventFlag();
+ bool readDataFromMQ();
+
+ int32_t mDemuxId = -1;
+ int32_t mCiCamId;
+ set<int64_t> mPcrFilterIds;
+ /**
+ * Record the last used filter id. Initial value is -1.
+ * Filter Id starts with 0.
+ */
+ int64_t mLastUsedFilterId = -1;
+ /**
+ * Record all the used playback filter Ids.
+ * Any removed filter id should be removed from this set.
+ */
+ set<int64_t> mPlaybackFilterIds;
+ /**
+ * Record all the attached record filter Ids.
+ * Any removed filter id should be removed from this set.
+ */
+ set<int64_t> mRecordFilterIds;
+ /**
+ * A list of created Filter sp.
+ * The array number is the filter ID.
+ */
+ std::map<int64_t, std::shared_ptr<Filter>> mFilters;
+
+ /**
+ * Local reference to the opened Timer Filter instance.
+ */
+ std::shared_ptr<TimeFilter> mTimeFilter;
+
+ /**
+ * Local reference to the opened DVR object.
+ */
+ std::shared_ptr<Dvr> mDvrPlayback;
+ std::shared_ptr<Dvr> mDvrRecord;
+
+ // Thread handlers
+ pthread_t mFrontendInputThread;
+ /**
+ * If a specific filter's writing loop is still running
+ */
+ bool mFrontendInputThreadRunning;
+ bool mKeepFetchingDataFromFrontend;
+ /**
+ * If the dvr recording is running.
+ */
+ bool mIsRecording = false;
+ /**
+ * Lock to protect writes to the FMQs
+ */
+ std::mutex mWriteLock;
+ /**
+ * Lock to protect writes to the input status
+ */
+ std::mutex mFrontendInputThreadLock;
+
+ // temp handle single PES filter
+ // TODO handle mulptiple Pes filters
+ int mPesSizeLeft = 0;
+ vector<uint8_t> mPesOutput;
+
+ const bool DEBUG_DEMUX = false;
+};
+
+} // namespace tuner
+} // namespace tv
+} // namespace hardware
+} // namespace android
+} // namespace aidl