diff --git a/tv/tuner/1.0/default/Demux.cpp b/tv/tuner/1.0/default/Demux.cpp
index b74f6ec..5a49590 100644
--- a/tv/tuner/1.0/default/Demux.cpp
+++ b/tv/tuner/1.0/default/Demux.cpp
@@ -48,8 +48,6 @@
         return Result::INVALID_STATE;
     }
 
-    mFrontendSourceFile = mFrontend->getSourceFile();
-
     mTunerService->setFrontendAsDemuxSource(frontendId, mDemuxId);
 
     return Result::SUCCESS;
@@ -62,8 +60,6 @@
     uint32_t filterId;
     filterId = ++mLastUsedFilterId;
 
-    mUsedFilterIds.insert(filterId);
-
     if (cb == nullptr) {
         ALOGW("[Demux] callback can't be null");
         _hidl_cb(Result::INVALID_ARGUMENT, new Filter());
@@ -82,8 +78,13 @@
         mPcrFilterIds.insert(filterId);
     }
     bool result = true;
-    if (mDvr != nullptr && mDvr->getType() == DvrType::PLAYBACK) {
-        result = mDvr->addPlaybackFilter(filter);
+    if (!filter->isRecordFilter()) {
+        // Only save non-record filters for now. Record filters are saved when the
+        // IDvr.attacheFilter is called.
+        mPlaybackFilterIds.insert(filterId);
+        if (mDvrPlayback != nullptr) {
+            result = mDvrPlayback->addPlaybackFilter(filterId, filter);
+        }
     }
 
     _hidl_cb(result ? Result::SUCCESS : Result::INVALID_ARGUMENT, filter);
@@ -154,7 +155,13 @@
 Return<Result> Demux::close() {
     ALOGV("%s", __FUNCTION__);
 
-    mUsedFilterIds.clear();
+    set<uint32_t>::iterator it;
+    for (it = mPlaybackFilterIds.begin(); it != mPlaybackFilterIds.end(); it++) {
+        mDvrPlayback->removePlaybackFilter(*it);
+    }
+    mPlaybackFilterIds.clear();
+    mRecordFilterIds.clear();
+    mFilters.clear();
     mLastUsedFilterId = -1;
 
     return Result::SUCCESS;
@@ -170,15 +177,38 @@
         return Void();
     }
 
-    mDvr = new Dvr(type, bufferSize, cb, this);
+    set<uint32_t>::iterator it;
+    switch (type) {
+        case DvrType::PLAYBACK:
+            mDvrPlayback = new Dvr(type, bufferSize, cb, this);
+            if (!mDvrPlayback->createDvrMQ()) {
+                _hidl_cb(Result::UNKNOWN_ERROR, mDvrPlayback);
+                return Void();
+            }
 
-    if (!mDvr->createDvrMQ()) {
-        _hidl_cb(Result::UNKNOWN_ERROR, mDvr);
-        return Void();
+            for (it = mPlaybackFilterIds.begin(); it != mPlaybackFilterIds.end(); it++) {
+                if (!mDvrPlayback->addPlaybackFilter(*it, mFilters[*it])) {
+                    ALOGE("[Demux] Can't get filter info for DVR playback");
+                    _hidl_cb(Result::UNKNOWN_ERROR, mDvrPlayback);
+                    return Void();
+                }
+            }
+
+            _hidl_cb(Result::SUCCESS, mDvrPlayback);
+            return Void();
+        case DvrType::RECORD:
+            mDvrRecord = new Dvr(type, bufferSize, cb, this);
+            if (!mDvrRecord->createDvrMQ()) {
+                _hidl_cb(Result::UNKNOWN_ERROR, mDvrRecord);
+                return Void();
+            }
+
+            _hidl_cb(Result::SUCCESS, mDvrRecord);
+            return Void();
+        default:
+            _hidl_cb(Result::INVALID_ARGUMENT, nullptr);
+            return Void();
     }
-
-    _hidl_cb(Result::SUCCESS, mDvr);
-    return Void();
 }
 
 Return<Result> Demux::connectCiCam(uint32_t ciCamId) {
@@ -198,8 +228,10 @@
 Result Demux::removeFilter(uint32_t filterId) {
     ALOGV("%s", __FUNCTION__);
 
-    // resetFilterRecords(filterId);
-    mUsedFilterIds.erase(filterId);
+    if (mDvrPlayback != nullptr) {
+        mDvrPlayback->removePlaybackFilter(filterId);
+    }
+    mPlaybackFilterIds.erase(filterId);
     mRecordFilterIds.erase(filterId);
     mFilters.erase(filterId);
 
@@ -212,7 +244,7 @@
     if (DEBUG_DEMUX) {
         ALOGW("[Demux] start ts filter pid: %d", pid);
     }
-    for (it = mUsedFilterIds.begin(); it != mUsedFilterIds.end(); it++) {
+    for (it = mPlaybackFilterIds.begin(); it != mPlaybackFilterIds.end(); it++) {
         if (pid == mFilters[*it]->getTpid()) {
             mFilters[*it]->updateFilterOutput(data);
         }
@@ -233,7 +265,7 @@
     set<uint32_t>::iterator it;
 
     // Handle the output data per filter type
-    for (it = mUsedFilterIds.begin(); it != mUsedFilterIds.end(); it++) {
+    for (it = mPlaybackFilterIds.begin(); it != mPlaybackFilterIds.end(); it++) {
         if (mFilters[*it]->startFilterHandler() != Result::SUCCESS) {
             return false;
         }
@@ -280,58 +312,27 @@
 void Demux::frontendInputThreadLoop() {
     std::lock_guard<std::mutex> lock(mFrontendInputThreadLock);
     mFrontendInputThreadRunning = true;
-    mKeepFetchingDataFromFrontend = true;
-
-    // open the stream and get its length
-    std::ifstream inputData(mFrontendSourceFile, std::ifstream::binary);
-    // TODO take the packet size from the frontend setting
-    int packetSize = 188;
-    int writePacketAmount = 6;
-    char* buffer = new char[packetSize];
-    ALOGW("[Demux] Frontend input thread loop start %s", mFrontendSourceFile.c_str());
-    if (!inputData.is_open()) {
-        mFrontendInputThreadRunning = false;
-        ALOGW("[Demux] Error %s", strerror(errno));
-    }
 
     while (mFrontendInputThreadRunning) {
-        // move the stream pointer for packet size * 6 every read until the end
-        while (mKeepFetchingDataFromFrontend) {
-            for (int i = 0; i < writePacketAmount; i++) {
-                inputData.read(buffer, packetSize);
-                if (!inputData) {
-                    mKeepFetchingDataFromFrontend = false;
-                    mFrontendInputThreadRunning = false;
-                    break;
-                }
-                // filter and dispatch filter output
-                vector<uint8_t> byteBuffer;
-                byteBuffer.resize(packetSize);
-                for (int index = 0; index < byteBuffer.size(); index++) {
-                    byteBuffer[index] = static_cast<uint8_t>(buffer[index]);
-                }
-                if (mIsRecording) {
-                    // Feed the data into the Dvr recording input
-                    sendFrontendInputToRecord(byteBuffer);
-                } else {
-                    // Feed the data into the broadcast demux filter
-                    startBroadcastTsFilter(byteBuffer);
-                }
-            }
-            if (mIsRecording) {
-                // Dispatch the data into the broadcasting filters.
-                startRecordFilterDispatcher();
-            } else {
-                // Dispatch the data into the broadcasting filters.
-                startBroadcastFilterDispatcher();
-            }
-            usleep(100);
+        uint32_t efState = 0;
+        status_t status = mDvrPlayback->getDvrEventFlag()->wait(
+                static_cast<uint32_t>(DemuxQueueNotifyBits::DATA_READY), &efState, WAIT_TIMEOUT,
+                true /* retry on spurious wake */);
+        if (status != OK) {
+            ALOGD("[Demux] wait for data ready on the playback FMQ");
+            continue;
+        }
+        // Our current implementation filter the data and write it into the filter FMQ immediately
+        // after the DATA_READY from the VTS/framework
+        if (!mDvrPlayback->readPlaybackFMQ(true /*isVirtualFrontend*/, mIsRecording) ||
+            !mDvrPlayback->startFilterDispatcher(true /*isVirtualFrontend*/, mIsRecording)) {
+            ALOGE("[Demux] playback data failed to be filtered. Ending thread");
+            break;
         }
     }
 
+    mFrontendInputThreadRunning = false;
     ALOGW("[Demux] Frontend Input thread end.");
-    delete[] buffer;
-    inputData.close();
 }
 
 void Demux::stopFrontendInput() {
@@ -346,18 +347,19 @@
 }
 
 bool Demux::attachRecordFilter(int filterId) {
-    if (mFilters[filterId] == nullptr || mDvr == nullptr) {
+    if (mFilters[filterId] == nullptr || mDvrRecord == nullptr ||
+        !mFilters[filterId]->isRecordFilter()) {
         return false;
     }
 
     mRecordFilterIds.insert(filterId);
-    mFilters[filterId]->attachFilterToRecord(mDvr);
+    mFilters[filterId]->attachFilterToRecord(mDvrRecord);
 
     return true;
 }
 
 bool Demux::detachRecordFilter(int filterId) {
-    if (mFilters[filterId] == nullptr || mDvr == nullptr) {
+    if (mFilters[filterId] == nullptr || mDvrRecord == nullptr) {
         return false;
     }
 
diff --git a/tv/tuner/1.0/default/Demux.h b/tv/tuner/1.0/default/Demux.h
index 6c46b0d..e3062b5 100644
--- a/tv/tuner/1.0/default/Demux.h
+++ b/tv/tuner/1.0/default/Demux.h
@@ -91,13 +91,23 @@
     void setIsRecording(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<uint8_t> data);
+
+    void sendFrontendInputToRecord(vector<uint8_t> data);
+    bool startRecordFilterDispatcher();
+
   private:
     // Tuner service
     sp<Tuner> mTunerService;
 
     // Frontend source
     sp<Frontend> mFrontend;
-    string mFrontendSourceFile;
 
     // A struct that passes the arguments to a newly created filter thread
     struct ThreadArgs {
@@ -117,16 +127,6 @@
      */
     void deleteEventFlag();
     bool readDataFromMQ();
-    /**
-     * 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<uint8_t> data);
-
-    void sendFrontendInputToRecord(vector<uint8_t> data);
-    bool startRecordFilterDispatcher();
 
     uint32_t mDemuxId;
     uint32_t mCiCamId;
@@ -137,17 +137,17 @@
      */
     uint32_t mLastUsedFilterId = -1;
     /**
-     * Record all the used filter Ids.
+     * Record all the used playback filter Ids.
      * Any removed filter id should be removed from this set.
      */
-    set<uint32_t> mUsedFilterIds;
+    set<uint32_t> mPlaybackFilterIds;
     /**
      * Record all the attached record filter Ids.
      * Any removed filter id should be removed from this set.
      */
     set<uint32_t> mRecordFilterIds;
     /**
-     * A list of created FilterMQ ptrs.
+     * A list of created Filter sp.
      * The array number is the filter ID.
      */
     std::map<uint32_t, sp<Filter>> mFilters;
@@ -155,7 +155,8 @@
     /**
      * Local reference to the opened DVR object.
      */
-    sp<Dvr> mDvr;
+    sp<Dvr> mDvrPlayback;
+    sp<Dvr> mDvrRecord;
 
     // Thread handlers
     pthread_t mFrontendInputThread;
diff --git a/tv/tuner/1.0/default/Dvr.cpp b/tv/tuner/1.0/default/Dvr.cpp
index adb2635..68e175c 100644
--- a/tv/tuner/1.0/default/Dvr.cpp
+++ b/tv/tuner/1.0/default/Dvr.cpp
@@ -70,8 +70,7 @@
         return status;
     }
 
-    // check if the attached filter is a record filter
-    mFilters[filterId] = filter;
+    // TODO check if the attached filter is a record filter
     if (!mDemux->attachRecordFilter(filterId)) {
         return Result::INVALID_ARGUMENT;
     }
@@ -94,19 +93,8 @@
         return status;
     }
 
-    std::map<uint32_t, sp<IFilter>>::iterator it;
-
-    it = mFilters.find(filterId);
-    if (it != mFilters.end()) {
-        mFilters.erase(filterId);
-        if (!mDemux->detachRecordFilter(filterId)) {
-            return Result::INVALID_ARGUMENT;
-        }
-    }
-
-    // If all the filters are detached, record can't be started
-    if (mFilters.empty()) {
-        mIsRecordFilterAttached = false;
+    if (!mDemux->detachRecordFilter(filterId)) {
+        return Result::INVALID_ARGUMENT;
     }
 
     return Result::SUCCESS;
@@ -183,6 +171,10 @@
     return true;
 }
 
+EventFlag* Dvr::getDvrEventFlag() {
+    return mDvrEventFlag;
+}
+
 void* Dvr::__threadLoopPlayback(void* user) {
     Dvr* const self = static_cast<Dvr*>(user);
     self->playbackThreadLoop();
@@ -205,8 +197,9 @@
         }
         // Our current implementation filter the data and write it into the filter FMQ immediately
         // after the DATA_READY from the VTS/framework
-        if (!readPlaybackFMQ() || !startFilterDispatcher()) {
-            ALOGD("[Dvr] playback data failed to be filtered. Ending thread");
+        if (!readPlaybackFMQ(false /*isVirtualFrontend*/, false /*isRecording*/) ||
+            !startFilterDispatcher(false /*isVirtualFrontend*/, false /*isRecording*/)) {
+            ALOGE("[Dvr] playback data failed to be filtered. Ending thread");
             break;
         }
 
@@ -245,7 +238,7 @@
     return mPlaybackStatus;
 }
 
-bool Dvr::readPlaybackFMQ() {
+bool Dvr::readPlaybackFMQ(bool isVirtualFrontend, bool isRecording) {
     // Read playback data from the input FMQ
     int size = mDvrMQ->availableToRead();
     int playbackPacketSize = mDvrSettings.playback().packetSize;
@@ -256,7 +249,15 @@
         if (!mDvrMQ->read(dataOutputBuffer.data(), playbackPacketSize)) {
             return false;
         }
-        startTpidFilter(dataOutputBuffer);
+        if (isVirtualFrontend) {
+            if (isRecording) {
+                mDemux->sendFrontendInputToRecord(dataOutputBuffer);
+            } else {
+                mDemux->startBroadcastTsFilter(dataOutputBuffer);
+            }
+        } else {
+            startTpidFilter(dataOutputBuffer);
+        }
     }
 
     return true;
@@ -275,7 +276,15 @@
     }
 }
 
-bool Dvr::startFilterDispatcher() {
+bool Dvr::startFilterDispatcher(bool isVirtualFrontend, bool isRecording) {
+    if (isVirtualFrontend) {
+        if (isRecording) {
+            return mDemux->startRecordFilterDispatcher();
+        } else {
+            return mDemux->startBroadcastFilterDispatcher();
+        }
+    }
+
     std::map<uint32_t, sp<IFilter>>::iterator it;
     // Handle the output data per filter type
     for (it = mFilters.begin(); it != mFilters.end(); it++) {
@@ -329,27 +338,15 @@
     return mRecordStatus;
 }
 
-bool Dvr::addPlaybackFilter(sp<IFilter> filter) {
-    uint32_t filterId;
-    Result status;
-
-    filter->getId([&](Result result, uint32_t id) {
-        filterId = id;
-        status = result;
-    });
-
-    if (status != Result::SUCCESS) {
-        return false;
-    }
-
+bool Dvr::addPlaybackFilter(uint32_t filterId, sp<IFilter> filter) {
     mFilters[filterId] = filter;
     return true;
 }
 
-DvrType Dvr::getType() {
-    return mType;
+bool Dvr::removePlaybackFilter(uint32_t filterId) {
+    mFilters.erase(filterId);
+    return true;
 }
-
 }  // namespace implementation
 }  // namespace V1_0
 }  // namespace tuner
diff --git a/tv/tuner/1.0/default/Dvr.h b/tv/tuner/1.0/default/Dvr.h
index 08afd5d..a63a256 100644
--- a/tv/tuner/1.0/default/Dvr.h
+++ b/tv/tuner/1.0/default/Dvr.h
@@ -81,8 +81,11 @@
     bool createDvrMQ();
     void sendBroadcastInputToDvrRecord(vector<uint8_t> byteBuffer);
     bool writeRecordFMQ(const std::vector<uint8_t>& data);
-    DvrType getType();
-    bool addPlaybackFilter(sp<IFilter> filter);
+    bool addPlaybackFilter(uint32_t filterId, sp<IFilter> filter);
+    bool removePlaybackFilter(uint32_t filterId);
+    bool readPlaybackFMQ(bool isVirtualFrontend, bool isRecording);
+    bool startFilterDispatcher(bool isVirtualFrontend, bool isRecording);
+    EventFlag* getDvrEventFlag();
 
   private:
     // Demux service
@@ -105,9 +108,7 @@
      * A dispatcher to read and dispatch input data to all the started filters.
      * Each filter handler handles the data filtering/output writing/filterEvent updating.
      */
-    bool readPlaybackFMQ();
     void startTpidFilter(vector<uint8_t> data);
-    bool startFilterDispatcher();
     static void* __threadLoopPlayback(void* user);
     static void* __threadLoopRecord(void* user);
     void playbackThreadLoop();
@@ -123,7 +124,6 @@
 
     // Thread handlers
     pthread_t mDvrThread;
-    pthread_t mBroadcastInputThread;
 
     // FMQ status local records
     PlaybackStatus mPlaybackStatus;
@@ -132,7 +132,6 @@
      * If a specific filter's writing loop is still running
      */
     bool mDvrThreadRunning;
-    bool mBroadcastInputThreadRunning;
     bool mKeepFetchingDataFromFrontend;
     /**
      * Lock to protect writes to the FMQs
@@ -143,7 +142,6 @@
      */
     std::mutex mPlaybackStatusLock;
     std::mutex mRecordStatusLock;
-    std::mutex mBroadcastInputThreadLock;
     std::mutex mDvrThreadLock;
 
     const bool DEBUG_DVR = false;
@@ -151,7 +149,6 @@
     // Booleans to check if recording is running.
     // Recording is ready when both of the following are set to true.
     bool mIsRecordStarted = false;
-    bool mIsRecordFilterAttached = false;
 };
 
 }  // namespace implementation
diff --git a/tv/tuner/1.0/default/Filter.cpp b/tv/tuner/1.0/default/Filter.cpp
index 8bca70c..30b19c0 100644
--- a/tv/tuner/1.0/default/Filter.cpp
+++ b/tv/tuner/1.0/default/Filter.cpp
@@ -47,12 +47,18 @@
             if (mType.subType.tsFilterType() == DemuxTsFilterType::PCR) {
                 mIsPcrFilter = true;
             }
+            if (mType.subType.tsFilterType() == DemuxTsFilterType::RECORD) {
+                mIsRecordFilter = true;
+            }
             break;
         case DemuxFilterMainType::MMTP:
             if (mType.subType.mmtpFilterType() == DemuxMmtpFilterType::AUDIO ||
                 mType.subType.mmtpFilterType() == DemuxMmtpFilterType::VIDEO) {
                 mIsMediaFilter = true;
             }
+            if (mType.subType.mmtpFilterType() == DemuxMmtpFilterType::RECORD) {
+                mIsRecordFilter = true;
+            }
             break;
         case DemuxFilterMainType::IP:
             break;
@@ -535,12 +541,6 @@
 }
 
 Result Filter::startRecordFilterHandler() {
-    /*DemuxFilterTsRecordEvent tsRecordEvent;
-    tsRecordEvent.pid.tPid(0);
-    tsRecordEvent.indexMask.tsIndexMask(0x01);
-    mFilterEvent.events.resize(1);
-    mFilterEvent.events[0].tsRecord(tsRecordEvent);
-*/
     std::lock_guard<std::mutex> lock(mRecordFilterOutputLock);
     if (mRecordFilterOutput.empty()) {
         return Result::SUCCESS;
@@ -567,7 +567,7 @@
 
 bool Filter::writeSectionsAndCreateEvent(vector<uint8_t> data) {
     // TODO check how many sections has been read
-    ALOGD("[Filter] section hander");
+    ALOGD("[Filter] section handler");
     std::lock_guard<std::mutex> lock(mFilterEventLock);
     if (!writeDataToFilterMQ(data)) {
         return false;
diff --git a/tv/tuner/1.0/default/Filter.h b/tv/tuner/1.0/default/Filter.h
index 09e9604..9386dca 100644
--- a/tv/tuner/1.0/default/Filter.h
+++ b/tv/tuner/1.0/default/Filter.h
@@ -91,6 +91,7 @@
     void freeAvHandle();
     bool isMediaFilter() { return mIsMediaFilter; };
     bool isPcrFilter() { return mIsPcrFilter; };
+    bool isRecordFilter() { return mIsRecordFilter; };
 
   private:
     // Tuner service
@@ -107,6 +108,7 @@
     DemuxFilterType mType;
     bool mIsMediaFilter = false;
     bool mIsPcrFilter = false;
+    bool mIsRecordFilter = false;
     DemuxFilterSettings mFilterSettings;
 
     uint16_t mTpid;
diff --git a/tv/tuner/1.0/default/Frontend.cpp b/tv/tuner/1.0/default/Frontend.cpp
index 61bbbf8..f42e592 100644
--- a/tv/tuner/1.0/default/Frontend.cpp
+++ b/tv/tuner/1.0/default/Frontend.cpp
@@ -268,10 +268,6 @@
     return mId;
 }
 
-string Frontend::getSourceFile() {
-    return FRONTEND_STREAM_FILE;
-}
-
 bool Frontend::supportsSatellite() {
     return mType == FrontendType::DVBS || mType == FrontendType::ISDBS ||
            mType == FrontendType::ISDBS3;
diff --git a/tv/tuner/1.0/default/Frontend.h b/tv/tuner/1.0/default/Frontend.h
index c0d1613..c09b897 100644
--- a/tv/tuner/1.0/default/Frontend.h
+++ b/tv/tuner/1.0/default/Frontend.h
@@ -77,7 +77,6 @@
     FrontendId mId = 0;
     bool mIsLocked = false;
 
-    const string FRONTEND_STREAM_FILE = "/vendor/etc/segment000000.ts";
     std::ifstream mFrontendData;
 };