New TunerService implemented by AIDL HAL.

TODO: add backward HIDL HAL support to separate files.

Bug: 191825295
Test: atest android.media.tv.tuner.cts
Change-Id: I8400fd75080971ee897e1e2dc35e2bab45ec1659
diff --git a/services/tuner/.clang-format b/services/tuner/.clang-format
new file mode 100644
index 0000000..f14cc88
--- /dev/null
+++ b/services/tuner/.clang-format
@@ -0,0 +1,33 @@
+---
+BasedOnStyle: Google
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: true
+AllowShortLoopsOnASingleLine: true
+BinPackArguments: true
+BinPackParameters: true
+CommentPragmas: NOLINT:.*
+ContinuationIndentWidth: 8
+DerivePointerAlignment: false
+IndentWidth: 4
+PointerAlignment: Left
+TabWidth: 4
+
+# Deviations from the above file:
+# "Don't indent the section label"
+AccessModifierOffset: -4
+# "Each line of text in your code should be at most 100 columns long."
+ColumnLimit: 100
+# "Constructor initializer lists can be all on one line or with subsequent
+# lines indented eight spaces.". clang-format does not support having the colon
+# on the same line as the constructor function name, so this is the best
+# approximation of that rule, which makes all entries in the list (except the
+# first one) have an eight space indentation.
+ConstructorInitializerIndentWidth: 6
+# There is nothing in go/droidcppstyle about case labels, but there seems to be
+# more code that does not indent the case labels in frameworks/base.
+IndentCaseLabels: false
+# There have been some bugs in which subsequent formatting operations introduce
+# weird comment jumps.
+ReflowComments: false
+# Android does support C++11 now.
+Standard: Cpp11
\ No newline at end of file
diff --git a/services/tuner/OWNERS b/services/tuner/OWNERS
index 0ceb8e8..bf9fe34 100644
--- a/services/tuner/OWNERS
+++ b/services/tuner/OWNERS
@@ -1,2 +1,2 @@
-nchalko@google.com
+hgchen@google.com
 quxiangfang@google.com
diff --git a/services/tuner/TunerDemux.cpp b/services/tuner/TunerDemux.cpp
index 99032ad..34efe01 100644
--- a/services/tuner/TunerDemux.cpp
+++ b/services/tuner/TunerDemux.cpp
@@ -16,23 +16,32 @@
 
 #define LOG_TAG "TunerDemux"
 
-#include "TunerDvr.h"
 #include "TunerDemux.h"
+
+#include <aidl/android/hardware/tv/tuner/IDvr.h>
+#include <aidl/android/hardware/tv/tuner/IDvrCallback.h>
+#include <aidl/android/hardware/tv/tuner/IFilter.h>
+#include <aidl/android/hardware/tv/tuner/IFilterCallback.h>
+#include <aidl/android/hardware/tv/tuner/ITimeFilter.h>
+#include <aidl/android/hardware/tv/tuner/Result.h>
+
+#include "TunerDvr.h"
 #include "TunerTimeFilter.h"
 
-using ::android::hardware::tv::tuner::V1_0::DemuxAlpFilterType;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterMainType;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterType;
-using ::android::hardware::tv::tuner::V1_0::DemuxIpFilterType;
-using ::android::hardware::tv::tuner::V1_0::DemuxMmtpFilterType;
-using ::android::hardware::tv::tuner::V1_0::DemuxTlvFilterType;
-using ::android::hardware::tv::tuner::V1_0::DemuxTsFilterType;
-using ::android::hardware::tv::tuner::V1_0::DvrType;
-using ::android::hardware::tv::tuner::V1_0::Result;
+using ::aidl::android::hardware::tv::tuner::IDvr;
+using ::aidl::android::hardware::tv::tuner::IDvrCallback;
+using ::aidl::android::hardware::tv::tuner::IFilter;
+using ::aidl::android::hardware::tv::tuner::IFilterCallback;
+using ::aidl::android::hardware::tv::tuner::ITimeFilter;
+using ::aidl::android::hardware::tv::tuner::Result;
 
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
-TunerDemux::TunerDemux(sp<IDemux> demux, int id) {
+TunerDemux::TunerDemux(shared_ptr<IDemux> demux, int id) {
     mDemux = demux;
     mDemuxId = id;
 }
@@ -41,205 +50,141 @@
     mDemux = nullptr;
 }
 
-Status TunerDemux::setFrontendDataSource(const std::shared_ptr<ITunerFrontend>& frontend) {
+::ndk::ScopedAStatus TunerDemux::setFrontendDataSource(
+        const shared_ptr<ITunerFrontend>& in_frontend) {
     if (mDemux == nullptr) {
         ALOGE("IDemux is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
     int frontendId;
-    frontend->getFrontendId(&frontendId);
-    Result res = mDemux->setFrontendDataSource(frontendId);
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    in_frontend->getFrontendId(&frontendId);
+
+    return mDemux->setFrontendDataSource(frontendId);
 }
 
-Status TunerDemux::setFrontendDataSourceById(int frontendId) {
+::ndk::ScopedAStatus TunerDemux::setFrontendDataSourceById(int frontendId) {
     if (mDemux == nullptr) {
         ALOGE("IDemux is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mDemux->setFrontendDataSource(frontendId);
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return mDemux->setFrontendDataSource(frontendId);
 }
 
-Status TunerDemux::openFilter(
-        int type, int subType, int bufferSize, const std::shared_ptr<ITunerFilterCallback>& cb,
-        std::shared_ptr<ITunerFilter>* _aidl_return) {
+::ndk::ScopedAStatus TunerDemux::openFilter(const DemuxFilterType& in_type, int32_t in_bufferSize,
+                                            const shared_ptr<ITunerFilterCallback>& in_cb,
+                                            shared_ptr<ITunerFilter>* _aidl_return) {
+    if (mDemux == nullptr) {
+        ALOGE("IDemux is not initialized");
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
+    }
+
+    shared_ptr<IFilter> filter;
+    shared_ptr<IFilterCallback> cb = ::ndk::SharedRefBase::make<TunerFilter::FilterCallback>(in_cb);
+    auto status = mDemux->openFilter(in_type, in_bufferSize, cb, &filter);
+    if (status.isOk()) {
+        *_aidl_return = ::ndk::SharedRefBase::make<TunerFilter>(filter, in_type);
+    }
+
+    return status;
+}
+
+::ndk::ScopedAStatus TunerDemux::openTimeFilter(shared_ptr<ITunerTimeFilter>* _aidl_return) {
     if (mDemux == nullptr) {
         ALOGE("IDemux is not initialized.");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    DemuxFilterMainType mainType = static_cast<DemuxFilterMainType>(type);
-    DemuxFilterType filterType {
-        .mainType = mainType,
-    };
-
-    switch(mainType) {
-        case DemuxFilterMainType::TS:
-            filterType.subType.tsFilterType(static_cast<DemuxTsFilterType>(subType));
-            break;
-        case DemuxFilterMainType::MMTP:
-            filterType.subType.mmtpFilterType(static_cast<DemuxMmtpFilterType>(subType));
-            break;
-        case DemuxFilterMainType::IP:
-            filterType.subType.ipFilterType(static_cast<DemuxIpFilterType>(subType));
-            break;
-        case DemuxFilterMainType::TLV:
-            filterType.subType.tlvFilterType(static_cast<DemuxTlvFilterType>(subType));
-            break;
-        case DemuxFilterMainType::ALP:
-            filterType.subType.alpFilterType(static_cast<DemuxAlpFilterType>(subType));
-            break;
-    }
-    Result status;
-    sp<IFilter> filterSp;
-    sp<IFilterCallback> cbSp = new TunerFilter::FilterCallback(cb);
-    mDemux->openFilter(filterType, bufferSize, cbSp,
-            [&](Result r, const sp<IFilter>& filter) {
-                filterSp = filter;
-                status = r;
-            });
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
+    shared_ptr<ITimeFilter> filter;
+    auto status = mDemux->openTimeFilter(&filter);
+    if (status.isOk()) {
+        *_aidl_return = ::ndk::SharedRefBase::make<TunerTimeFilter>(filter);
     }
 
-    *_aidl_return = ::ndk::SharedRefBase::make<TunerFilter>(filterSp, type, subType);
-    return Status::ok();
+    return status;
 }
 
-Status TunerDemux::openTimeFilter(shared_ptr<ITunerTimeFilter>* _aidl_return) {
+::ndk::ScopedAStatus TunerDemux::getAvSyncHwId(const shared_ptr<ITunerFilter>& tunerFilter,
+                                               int32_t* _aidl_return) {
     if (mDemux == nullptr) {
         ALOGE("IDemux is not initialized.");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status;
-    sp<ITimeFilter> filterSp;
-    mDemux->openTimeFilter([&](Result r, const sp<ITimeFilter>& filter) {
-        filterSp = filter;
-        status = r;
-    });
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
-    }
-
-    *_aidl_return = ::ndk::SharedRefBase::make<TunerTimeFilter>(filterSp);
-    return Status::ok();
+    shared_ptr<IFilter> halFilter = (static_cast<TunerFilter*>(tunerFilter.get()))->getHalFilter();
+    return mDemux->getAvSyncHwId(halFilter, _aidl_return);
 }
 
-Status TunerDemux::getAvSyncHwId(const shared_ptr<ITunerFilter>& tunerFilter, int* _aidl_return) {
+::ndk::ScopedAStatus TunerDemux::getAvSyncTime(int32_t avSyncHwId, int64_t* _aidl_return) {
     if (mDemux == nullptr) {
         ALOGE("IDemux is not initialized.");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    uint32_t avSyncHwId;
-    Result res;
-    sp<IFilter> halFilter = static_cast<TunerFilter*>(tunerFilter.get())->getHalFilter();
-    mDemux->getAvSyncHwId(halFilter,
-            [&](Result r, uint32_t id) {
-                res = r;
-                avSyncHwId = id;
-            });
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-
-    *_aidl_return = (int)avSyncHwId;
-    return Status::ok();
+    return mDemux->getAvSyncTime(avSyncHwId, _aidl_return);
 }
 
-Status TunerDemux::getAvSyncTime(int avSyncHwId, int64_t* _aidl_return) {
+::ndk::ScopedAStatus TunerDemux::openDvr(DvrType in_dvbType, int32_t in_bufferSize,
+                                         const shared_ptr<ITunerDvrCallback>& in_cb,
+                                         shared_ptr<ITunerDvr>* _aidl_return) {
     if (mDemux == nullptr) {
         ALOGE("IDemux is not initialized.");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    uint64_t time;
-    Result res;
-    mDemux->getAvSyncTime(static_cast<uint32_t>(avSyncHwId),
-            [&](Result r, uint64_t ts) {
-                res = r;
-                time = ts;
-            });
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
+    shared_ptr<IDvrCallback> callback = ::ndk::SharedRefBase::make<TunerDvr::DvrCallback>(in_cb);
+    shared_ptr<IDvr> halDvr;
+    auto res = mDemux->openDvr(in_dvbType, in_bufferSize, callback, &halDvr);
+    if (res.isOk()) {
+        *_aidl_return = ::ndk::SharedRefBase::make<TunerDvr>(halDvr, in_dvbType);
     }
 
-    *_aidl_return = (int64_t)time;
-    return Status::ok();
+    return res;
 }
 
-Status TunerDemux::openDvr(int dvrType, int bufferSize, const shared_ptr<ITunerDvrCallback>& cb,
-        shared_ptr<ITunerDvr>* _aidl_return) {
+::ndk::ScopedAStatus TunerDemux::connectCiCam(int32_t ciCamId) {
     if (mDemux == nullptr) {
         ALOGE("IDemux is not initialized.");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res;
-    sp<IDvrCallback> callback = new TunerDvr::DvrCallback(cb);
-    sp<IDvr> hidlDvr;
-    mDemux->openDvr(static_cast<DvrType>(dvrType), bufferSize, callback,
-            [&](Result r, const sp<IDvr>& dvr) {
-                hidlDvr = dvr;
-                res = r;
-            });
-    if (res != Result::SUCCESS) {
-        *_aidl_return = NULL;
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-
-    *_aidl_return = ::ndk::SharedRefBase::make<TunerDvr>(hidlDvr, dvrType);
-    return Status::ok();
+    return mDemux->connectCiCam(ciCamId);
 }
 
-Status TunerDemux::connectCiCam(int ciCamId) {
+::ndk::ScopedAStatus TunerDemux::disconnectCiCam() {
     if (mDemux == nullptr) {
         ALOGE("IDemux is not initialized.");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mDemux->connectCiCam(static_cast<uint32_t>(ciCamId));
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return mDemux->disconnectCiCam();
 }
 
-Status TunerDemux::disconnectCiCam() {
+::ndk::ScopedAStatus TunerDemux::close() {
     if (mDemux == nullptr) {
         ALOGE("IDemux is not initialized.");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mDemux->disconnectCiCam();
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    auto res = mDemux->close();
+    mDemux = nullptr;
+
+    return res;
 }
 
-Status TunerDemux::close() {
-    if (mDemux == nullptr) {
-        ALOGE("IDemux is not initialized.");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
-    Result res = mDemux->close();
-    mDemux = NULL;
-
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
-}
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
 }  // namespace android
+}  // namespace aidl
diff --git a/services/tuner/TunerDemux.h b/services/tuner/TunerDemux.h
index c2f91f0..cdb3aa0 100644
--- a/services/tuner/TunerDemux.h
+++ b/services/tuner/TunerDemux.h
@@ -17,53 +17,55 @@
 #ifndef ANDROID_MEDIA_TUNERDEMUX_H
 #define ANDROID_MEDIA_TUNERDEMUX_H
 
+#include <aidl/android/hardware/tv/tuner/IDemux.h>
 #include <aidl/android/media/tv/tuner/BnTunerDemux.h>
-#include <android/hardware/tv/tuner/1.0/ITuner.h>
 
-using Status = ::ndk::ScopedAStatus;
-using ::aidl::android::media::tv::tuner::BnTunerDemux;
-using ::aidl::android::media::tv::tuner::ITunerDvr;
-using ::aidl::android::media::tv::tuner::ITunerDvrCallback;
-using ::aidl::android::media::tv::tuner::ITunerFilter;
-using ::aidl::android::media::tv::tuner::ITunerFilterCallback;
-using ::aidl::android::media::tv::tuner::ITunerFrontend;
-using ::aidl::android::media::tv::tuner::ITunerTimeFilter;
-using ::android::hardware::tv::tuner::V1_0::IDemux;
-using ::android::hardware::tv::tuner::V1_0::IDvr;
-using ::android::hardware::tv::tuner::V1_0::IDvrCallback;
-using ::android::hardware::tv::tuner::V1_0::ITimeFilter;
+using ::aidl::android::hardware::tv::tuner::DemuxFilterType;
+using ::aidl::android::hardware::tv::tuner::DvrType;
+using ::aidl::android::hardware::tv::tuner::IDemux;
 
 using namespace std;
 
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
 class TunerDemux : public BnTunerDemux {
 
 public:
-    TunerDemux(sp<IDemux> demux, int demuxId);
+    TunerDemux(shared_ptr<IDemux> demux, int demuxId);
     virtual ~TunerDemux();
-    Status setFrontendDataSource(const shared_ptr<ITunerFrontend>& frontend) override;
-    Status setFrontendDataSourceById(int frontendId) override;
-    Status openFilter(
-        int mainType, int subtype, int bufferSize, const shared_ptr<ITunerFilterCallback>& cb,
-        shared_ptr<ITunerFilter>* _aidl_return) override;
-    Status openTimeFilter(shared_ptr<ITunerTimeFilter>* _aidl_return) override;
-    Status getAvSyncHwId(const shared_ptr<ITunerFilter>& tunerFilter, int* _aidl_return) override;
-    Status getAvSyncTime(int avSyncHwId, int64_t* _aidl_return) override;
-    Status openDvr(
-        int dvbType, int bufferSize, const shared_ptr<ITunerDvrCallback>& cb,
-        shared_ptr<ITunerDvr>* _aidl_return) override;
-    Status connectCiCam(int ciCamId) override;
-    Status disconnectCiCam() override;
-    Status close() override;
+
+    ::ndk::ScopedAStatus setFrontendDataSource(
+            const shared_ptr<ITunerFrontend>& in_frontend) override;
+    ::ndk::ScopedAStatus setFrontendDataSourceById(int frontendId) override;
+    ::ndk::ScopedAStatus openFilter(const DemuxFilterType& in_type, int32_t in_bufferSize,
+                                    const shared_ptr<ITunerFilterCallback>& in_cb,
+                                    shared_ptr<ITunerFilter>* _aidl_return) override;
+    ::ndk::ScopedAStatus openTimeFilter(shared_ptr<ITunerTimeFilter>* _aidl_return) override;
+    ::ndk::ScopedAStatus getAvSyncHwId(const shared_ptr<ITunerFilter>& in_tunerFilter,
+                                       int32_t* _aidl_return) override;
+    ::ndk::ScopedAStatus getAvSyncTime(int32_t in_avSyncHwId, int64_t* _aidl_return) override;
+    ::ndk::ScopedAStatus openDvr(DvrType in_dvbType, int32_t in_bufferSize,
+                                 const shared_ptr<ITunerDvrCallback>& in_cb,
+                                 shared_ptr<ITunerDvr>* _aidl_return) override;
+    ::ndk::ScopedAStatus connectCiCam(int32_t in_ciCamId) override;
+    ::ndk::ScopedAStatus disconnectCiCam() override;
+    ::ndk::ScopedAStatus close() override;
 
     int getId() { return mDemuxId; }
 
 private:
-    sp<IDemux> mDemux;
+    shared_ptr<IDemux> mDemux;
     int mDemuxId;
 };
 
-} // namespace android
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
+}  // namespace android
+}  // namespace aidl
 
 #endif // ANDROID_MEDIA_TUNERDEMUX_H
diff --git a/services/tuner/TunerDescrambler.cpp b/services/tuner/TunerDescrambler.cpp
index b7ae167..8e2d6c7 100644
--- a/services/tuner/TunerDescrambler.cpp
+++ b/services/tuner/TunerDescrambler.cpp
@@ -16,17 +16,26 @@
 
 #define LOG_TAG "TunerDescrambler"
 
-#include "TunerFilter.h"
-#include "TunerDemux.h"
 #include "TunerDescrambler.h"
 
-using ::android::hardware::tv::tuner::V1_0::Result;
+#include <aidl/android/hardware/tv/tuner/IFilter.h>
+#include <aidl/android/hardware/tv/tuner/Result.h>
+
+#include "TunerDemux.h"
+#include "TunerFilter.h"
+
+using ::aidl::android::hardware::tv::tuner::IFilter;
+using ::aidl::android::hardware::tv::tuner::Result;
 
 using namespace std;
 
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
-TunerDescrambler::TunerDescrambler(sp<IDescrambler> descrambler) {
+TunerDescrambler::TunerDescrambler(shared_ptr<IDescrambler> descrambler) {
     mDescrambler = descrambler;
 }
 
@@ -34,91 +43,74 @@
     mDescrambler = nullptr;
 }
 
-Status TunerDescrambler::setDemuxSource(const std::shared_ptr<ITunerDemux>& demux) {
+::ndk::ScopedAStatus TunerDescrambler::setDemuxSource(
+        const shared_ptr<ITunerDemux>& in_tunerDemux) {
     if (mDescrambler == nullptr) {
         ALOGE("IDescrambler is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mDescrambler->setDemuxSource(static_cast<TunerDemux*>(demux.get())->getId());
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return mDescrambler->setDemuxSource((static_cast<TunerDemux*>(in_tunerDemux.get()))->getId());
 }
 
-Status TunerDescrambler::setKeyToken(const vector<uint8_t>& keyToken) {
+::ndk::ScopedAStatus TunerDescrambler::setKeyToken(const vector<uint8_t>& in_keyToken) {
     if (mDescrambler == nullptr) {
         ALOGE("IDescrambler is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mDescrambler->setKeyToken(keyToken);
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return mDescrambler->setKeyToken(in_keyToken);
 }
 
-Status TunerDescrambler::addPid(const TunerDemuxPid& pid,
-        const shared_ptr<ITunerFilter>& optionalSourceFilter) {
+::ndk::ScopedAStatus TunerDescrambler::addPid(
+        const DemuxPid& in_pid, const shared_ptr<ITunerFilter>& in_optionalSourceFilter) {
     if (mDescrambler == nullptr) {
         ALOGE("IDescrambler is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    sp<IFilter> halFilter = (optionalSourceFilter == NULL)
-            ? NULL : static_cast<TunerFilter*>(optionalSourceFilter.get())->getHalFilter();
-    Result res = mDescrambler->addPid(getHidlDemuxPid(pid), halFilter);
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    shared_ptr<IFilter> halFilter =
+            (in_optionalSourceFilter == nullptr)
+                    ? nullptr
+                    : static_cast<TunerFilter*>(in_optionalSourceFilter.get())->getHalFilter();
+
+    return mDescrambler->addPid(in_pid, halFilter);
 }
 
-Status TunerDescrambler::removePid(const TunerDemuxPid& pid,
-        const shared_ptr<ITunerFilter>& optionalSourceFilter) {
+::ndk::ScopedAStatus TunerDescrambler::removePid(
+        const DemuxPid& in_pid, const shared_ptr<ITunerFilter>& in_optionalSourceFilter) {
     if (mDescrambler == nullptr) {
         ALOGE("IDescrambler is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    sp<IFilter> halFilter = (optionalSourceFilter == NULL)
-            ? NULL : static_cast<TunerFilter*>(optionalSourceFilter.get())->getHalFilter();
-    Result res = mDescrambler->removePid(getHidlDemuxPid(pid), halFilter);
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    shared_ptr<IFilter> halFilter =
+            (in_optionalSourceFilter == nullptr)
+                    ? nullptr
+                    : static_cast<TunerFilter*>(in_optionalSourceFilter.get())->getHalFilter();
+
+    return mDescrambler->removePid(in_pid, halFilter);
 }
 
-Status TunerDescrambler::close() {
+::ndk::ScopedAStatus TunerDescrambler::close() {
     if (mDescrambler == nullptr) {
         ALOGE("IDescrambler is not initialized.");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mDescrambler->close();
-    mDescrambler = NULL;
+    auto res = mDescrambler->close();
+    mDescrambler = nullptr;
 
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return res;
 }
 
-DemuxPid TunerDescrambler::getHidlDemuxPid(const TunerDemuxPid& pid) {
-    DemuxPid hidlPid;
-    switch (pid.getTag()) {
-        case TunerDemuxPid::tPid: {
-            hidlPid.tPid((uint16_t)pid.get<TunerDemuxPid::tPid>());
-            break;
-        }
-        case TunerDemuxPid::mmtpPid: {
-            hidlPid.mmtpPid((uint16_t)pid.get<TunerDemuxPid::mmtpPid>());
-            break;
-        }
-    }
-    return hidlPid;
-}
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
 }  // namespace android
+}  // namespace aidl
diff --git a/services/tuner/TunerDescrambler.h b/services/tuner/TunerDescrambler.h
index 1970fb7..b1d5fb9 100644
--- a/services/tuner/TunerDescrambler.h
+++ b/services/tuner/TunerDescrambler.h
@@ -17,38 +17,43 @@
 #ifndef ANDROID_MEDIA_TUNERDESCRAMBLER_H
 #define ANDROID_MEDIA_TUNERDESCRAMBLER_H
 
+#include <aidl/android/hardware/tv/tuner/IDescrambler.h>
 #include <aidl/android/media/tv/tuner/BnTunerDescrambler.h>
-#include <android/hardware/tv/tuner/1.0/ITuner.h>
 
-using Status = ::ndk::ScopedAStatus;
-using ::aidl::android::media::tv::tuner::BnTunerDescrambler;
-using ::aidl::android::media::tv::tuner::ITunerDemux;
-using ::aidl::android::media::tv::tuner::ITunerFilter;
-using ::aidl::android::media::tv::tuner::TunerDemuxPid;
-using ::android::hardware::tv::tuner::V1_0::DemuxPid;
-using ::android::hardware::tv::tuner::V1_0::IDescrambler;
+using ::aidl::android::hardware::tv::tuner::DemuxPid;
+using ::aidl::android::hardware::tv::tuner::IDescrambler;
 
+using namespace std;
+
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
 class TunerDescrambler : public BnTunerDescrambler {
 
 public:
-    TunerDescrambler(sp<IDescrambler> descrambler);
+    TunerDescrambler(shared_ptr<IDescrambler> descrambler);
     virtual ~TunerDescrambler();
-    Status setDemuxSource(const shared_ptr<ITunerDemux>& demux) override;
-    Status setKeyToken(const vector<uint8_t>& keyToken) override;
-    Status addPid(const TunerDemuxPid& pid,
-            const shared_ptr<ITunerFilter>& optionalSourceFilter) override;
-    Status removePid(const TunerDemuxPid& pid,
-            const shared_ptr<ITunerFilter>& optionalSourceFilter) override;
-    Status close() override;
+
+    ::ndk::ScopedAStatus setDemuxSource(const shared_ptr<ITunerDemux>& in_tunerDemux) override;
+    ::ndk::ScopedAStatus setKeyToken(const vector<uint8_t>& in_keyToken) override;
+    ::ndk::ScopedAStatus addPid(const DemuxPid& in_pid,
+                                const shared_ptr<ITunerFilter>& in_optionalSourceFilter) override;
+    ::ndk::ScopedAStatus removePid(
+            const DemuxPid& in_pid,
+            const shared_ptr<ITunerFilter>& in_optionalSourceFilter) override;
+    ::ndk::ScopedAStatus close() override;
 
 private:
-    DemuxPid getHidlDemuxPid(const TunerDemuxPid& pid);
-
-    sp<IDescrambler> mDescrambler;
+    shared_ptr<IDescrambler> mDescrambler;
 };
 
-} // namespace android
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
+}  // namespace android
+}  // namespace aidl
 
 #endif // ANDROID_MEDIA_TUNERDESCRAMBLER_H
diff --git a/services/tuner/TunerDvr.cpp b/services/tuner/TunerDvr.cpp
index db4e07b..fb03b06 100644
--- a/services/tuner/TunerDvr.cpp
+++ b/services/tuner/TunerDvr.cpp
@@ -16,194 +16,151 @@
 
 #define LOG_TAG "TunerDvr"
 
-#include <fmq/ConvertMQDescriptors.h>
 #include "TunerDvr.h"
+
+#include <aidl/android/hardware/tv/tuner/Result.h>
+
 #include "TunerFilter.h"
 
-using ::android::hardware::tv::tuner::V1_0::DataFormat;
-using ::android::hardware::tv::tuner::V1_0::Result;
+using ::aidl::android::hardware::tv::tuner::Result;
 
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
-TunerDvr::TunerDvr(sp<IDvr> dvr, int type) {
+TunerDvr::TunerDvr(shared_ptr<IDvr> dvr, DvrType type) {
     mDvr = dvr;
-    mType = static_cast<DvrType>(type);
+    mType = type;
 }
 
 TunerDvr::~TunerDvr() {
-    mDvr = NULL;
+    mDvr = nullptr;
 }
 
-Status TunerDvr::getQueueDesc(AidlMQDesc* _aidl_return) {
-    if (mDvr == NULL) {
+::ndk::ScopedAStatus TunerDvr::getQueueDesc(AidlMQDesc* _aidl_return) {
+    if (mDvr == nullptr) {
         ALOGE("IDvr is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    MQDesc dvrMQDesc;
-    Result res;
-    mDvr->getQueueDesc([&](Result r, const MQDesc& desc) {
-        dvrMQDesc = desc;
-        res = r;
-    });
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-
-    AidlMQDesc aidlMQDesc;
-    unsafeHidlToAidlMQDescriptor<uint8_t, int8_t, SynchronizedReadWrite>(
-                dvrMQDesc,  &aidlMQDesc);
-    *_aidl_return = move(aidlMQDesc);
-    return Status::ok();
+    return mDvr->getQueueDesc(_aidl_return);
 }
 
-Status TunerDvr::configure(const TunerDvrSettings& settings) {
-    if (mDvr == NULL) {
+::ndk::ScopedAStatus TunerDvr::configure(const DvrSettings& in_settings) {
+    if (mDvr == nullptr) {
         ALOGE("IDvr is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mDvr->configure(getHidlDvrSettingsFromAidl(settings));
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return mDvr->configure(in_settings);
 }
 
-Status TunerDvr::attachFilter(const shared_ptr<ITunerFilter>& filter) {
-    if (mDvr == NULL) {
+::ndk::ScopedAStatus TunerDvr::attachFilter(const shared_ptr<ITunerFilter>& in_filter) {
+    if (mDvr == nullptr) {
         ALOGE("IDvr is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    ITunerFilter* tunerFilter = filter.get();
-    sp<IFilter> hidlFilter = static_cast<TunerFilter*>(tunerFilter)->getHalFilter();
-    if (hidlFilter == NULL) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::INVALID_ARGUMENT));
+    if (in_filter == nullptr) {
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::INVALID_ARGUMENT));
     }
 
-    Result res = mDvr->attachFilter(hidlFilter);
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
+    shared_ptr<IFilter> halFilter = (static_cast<TunerFilter*>(in_filter.get()))->getHalFilter();
+    if (halFilter == nullptr) {
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::INVALID_ARGUMENT));
     }
-    return Status::ok();
+
+    return mDvr->attachFilter(halFilter);
 }
 
-Status TunerDvr::detachFilter(const shared_ptr<ITunerFilter>& filter) {
-    if (mDvr == NULL) {
+::ndk::ScopedAStatus TunerDvr::detachFilter(const shared_ptr<ITunerFilter>& in_filter) {
+    if (mDvr == nullptr) {
         ALOGE("IDvr is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    ITunerFilter* tunerFilter = filter.get();
-    sp<IFilter> hidlFilter = static_cast<TunerFilter*>(tunerFilter)->getHalFilter();
-    if (hidlFilter == NULL) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::INVALID_ARGUMENT));
+    if (in_filter == nullptr) {
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::INVALID_ARGUMENT));
     }
 
-    Result res = mDvr->detachFilter(hidlFilter);
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
+    shared_ptr<IFilter> halFilter = (static_cast<TunerFilter*>(in_filter.get()))->getHalFilter();
+    if (halFilter == nullptr) {
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::INVALID_ARGUMENT));
     }
-    return Status::ok();
+
+    return mDvr->detachFilter(halFilter);
 }
 
-Status TunerDvr::start() {
-    if (mDvr == NULL) {
+::ndk::ScopedAStatus TunerDvr::start() {
+    if (mDvr == nullptr) {
         ALOGE("IDvr is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mDvr->start();
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return mDvr->start();
 }
 
-Status TunerDvr::stop() {
-    if (mDvr == NULL) {
+::ndk::ScopedAStatus TunerDvr::stop() {
+    if (mDvr == nullptr) {
         ALOGE("IDvr is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mDvr->stop();
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return mDvr->stop();
 }
 
-Status TunerDvr::flush() {
-    if (mDvr == NULL) {
+::ndk::ScopedAStatus TunerDvr::flush() {
+    if (mDvr == nullptr) {
         ALOGE("IDvr is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mDvr->flush();
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return mDvr->flush();
 }
 
-Status TunerDvr::close() {
-    if (mDvr == NULL) {
+::ndk::ScopedAStatus TunerDvr::close() {
+    if (mDvr == nullptr) {
         ALOGE("IDvr is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mDvr->close();
-    mDvr = NULL;
+    auto status = mDvr->close();
+    mDvr = nullptr;
 
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
-}
-
-DvrSettings TunerDvr::getHidlDvrSettingsFromAidl(TunerDvrSettings settings) {
-    DvrSettings s;
-    switch (mType) {
-        case DvrType::PLAYBACK: {
-            s.playback({
-                .statusMask = static_cast<uint8_t>(settings.statusMask),
-                .lowThreshold = static_cast<uint32_t>(settings.lowThreshold),
-                .highThreshold = static_cast<uint32_t>(settings.highThreshold),
-                .dataFormat = static_cast<DataFormat>(settings.dataFormat),
-                .packetSize = static_cast<uint8_t>(settings.packetSize),
-            });
-            return s;
-        }
-        case DvrType::RECORD: {
-            s.record({
-                .statusMask = static_cast<uint8_t>(settings.statusMask),
-                .lowThreshold = static_cast<uint32_t>(settings.lowThreshold),
-                .highThreshold = static_cast<uint32_t>(settings.highThreshold),
-                .dataFormat = static_cast<DataFormat>(settings.dataFormat),
-                .packetSize = static_cast<uint8_t>(settings.packetSize),
-            });
-            return s;
-        }
-        default:
-            break;
-    }
-    return s;
+    return status;
 }
 
 /////////////// IDvrCallback ///////////////////////
-
-Return<void> TunerDvr::DvrCallback::onRecordStatus(const RecordStatus status) {
-    if (mTunerDvrCallback != NULL) {
-        mTunerDvrCallback->onRecordStatus(static_cast<int>(status));
+::ndk::ScopedAStatus TunerDvr::DvrCallback::onRecordStatus(const RecordStatus status) {
+    if (mTunerDvrCallback != nullptr) {
+        mTunerDvrCallback->onRecordStatus(status);
     }
-    return Void();
+    return ndk::ScopedAStatus::ok();
 }
 
-Return<void> TunerDvr::DvrCallback::onPlaybackStatus(const PlaybackStatus status) {
-    if (mTunerDvrCallback != NULL) {
-        mTunerDvrCallback->onPlaybackStatus(static_cast<int>(status));
+::ndk::ScopedAStatus TunerDvr::DvrCallback::onPlaybackStatus(const PlaybackStatus status) {
+    if (mTunerDvrCallback != nullptr) {
+        mTunerDvrCallback->onPlaybackStatus(status);
     }
-    return Void();
+    return ndk::ScopedAStatus::ok();
 }
+
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
 }  // namespace android
+}  // namespace aidl
diff --git a/services/tuner/TunerDvr.h b/services/tuner/TunerDvr.h
index a508e99..1854d08 100644
--- a/services/tuner/TunerDvr.h
+++ b/services/tuner/TunerDvr.h
@@ -17,81 +17,71 @@
 #ifndef ANDROID_MEDIA_TUNERDVR_H
 #define ANDROID_MEDIA_TUNERDVR_H
 
+#include <aidl/android/hardware/tv/tuner/BnDvrCallback.h>
+#include <aidl/android/hardware/tv/tuner/DvrSettings.h>
+#include <aidl/android/hardware/tv/tuner/DvrType.h>
+#include <aidl/android/hardware/tv/tuner/IDvr.h>
+#include <aidl/android/hardware/tv/tuner/PlaybackStatus.h>
+#include <aidl/android/hardware/tv/tuner/RecordStatus.h>
 #include <aidl/android/media/tv/tuner/BnTunerDvr.h>
 #include <aidl/android/media/tv/tuner/ITunerDvrCallback.h>
-#include <android/hardware/tv/tuner/1.0/ITuner.h>
-#include <fmq/MessageQueue.h>
 
-#include <TunerFilter.h>
+#include "TunerFilter.h"
 
-using Status = ::ndk::ScopedAStatus;
-using ::aidl::android::hardware::common::fmq::GrantorDescriptor;
 using ::aidl::android::hardware::common::fmq::MQDescriptor;
 using ::aidl::android::hardware::common::fmq::SynchronizedReadWrite;
-using ::aidl::android::media::tv::tuner::BnTunerDvr;
-using ::aidl::android::media::tv::tuner::ITunerDvrCallback;
-using ::aidl::android::media::tv::tuner::ITunerFilter;
-using ::aidl::android::media::tv::tuner::TunerDvrSettings;
-
-using ::android::hardware::MQDescriptorSync;
-using ::android::hardware::MessageQueue;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-
-using ::android::hardware::tv::tuner::V1_0::DvrSettings;
-using ::android::hardware::tv::tuner::V1_0::DvrType;
-using ::android::hardware::tv::tuner::V1_0::IDvr;
-using ::android::hardware::tv::tuner::V1_0::IDvrCallback;
-using ::android::hardware::tv::tuner::V1_0::PlaybackStatus;
-using ::android::hardware::tv::tuner::V1_0::RecordStatus;
+using ::aidl::android::hardware::tv::tuner::BnDvrCallback;
+using ::aidl::android::hardware::tv::tuner::DvrSettings;
+using ::aidl::android::hardware::tv::tuner::DvrType;
+using ::aidl::android::hardware::tv::tuner::IDvr;
+using ::aidl::android::hardware::tv::tuner::PlaybackStatus;
+using ::aidl::android::hardware::tv::tuner::RecordStatus;
 
 using namespace std;
 
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
-using MQDesc = MQDescriptorSync<uint8_t>;
 using AidlMQDesc = MQDescriptor<int8_t, SynchronizedReadWrite>;
 
 class TunerDvr : public BnTunerDvr {
 
 public:
-    TunerDvr(sp<IDvr> dvr, int type);
+    TunerDvr(shared_ptr<IDvr> dvr, DvrType type);
     ~TunerDvr();
 
-    Status getQueueDesc(AidlMQDesc* _aidl_return) override;
+    ::ndk::ScopedAStatus getQueueDesc(AidlMQDesc* _aidl_return) override;
+    ::ndk::ScopedAStatus configure(const DvrSettings& in_settings) override;
+    ::ndk::ScopedAStatus attachFilter(const shared_ptr<ITunerFilter>& in_filter) override;
+    ::ndk::ScopedAStatus detachFilter(const shared_ptr<ITunerFilter>& in_filter) override;
+    ::ndk::ScopedAStatus start() override;
+    ::ndk::ScopedAStatus stop() override;
+    ::ndk::ScopedAStatus flush() override;
+    ::ndk::ScopedAStatus close() override;
 
-    Status configure(const TunerDvrSettings& settings) override;
-
-    Status attachFilter(const shared_ptr<ITunerFilter>& filter) override;
-
-    Status detachFilter(const shared_ptr<ITunerFilter>& filter) override;
-
-    Status start() override;
-
-    Status stop() override;
-
-    Status flush() override;
-
-    Status close() override;
-
-    struct DvrCallback : public IDvrCallback {
+    struct DvrCallback : public BnDvrCallback {
         DvrCallback(const shared_ptr<ITunerDvrCallback> tunerDvrCallback)
-                : mTunerDvrCallback(tunerDvrCallback) {};
+              : mTunerDvrCallback(tunerDvrCallback){};
 
-        virtual Return<void> onRecordStatus(const RecordStatus status);
-        virtual Return<void> onPlaybackStatus(const PlaybackStatus status);
+        ::ndk::ScopedAStatus onRecordStatus(const RecordStatus status) override;
+        ::ndk::ScopedAStatus onPlaybackStatus(const PlaybackStatus status) override;
 
-        private:
-            shared_ptr<ITunerDvrCallback> mTunerDvrCallback;
+    private:
+        shared_ptr<ITunerDvrCallback> mTunerDvrCallback;
     };
 
 private:
-    DvrSettings getHidlDvrSettingsFromAidl(TunerDvrSettings settings);
-
-    sp<IDvr> mDvr;
+    shared_ptr<IDvr> mDvr;
     DvrType mType;
 };
 
-} // namespace android
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
+}  // namespace android
+}  // namespace aidl
 
 #endif // ANDROID_MEDIA_TUNERDVR_H
diff --git a/services/tuner/TunerFilter.cpp b/services/tuner/TunerFilter.cpp
index 039fd31..005445a 100644
--- a/services/tuner/TunerFilter.cpp
+++ b/services/tuner/TunerFilter.cpp
@@ -18,893 +18,205 @@
 
 #include "TunerFilter.h"
 
-using ::aidl::android::media::tv::tuner::TunerFilterSectionCondition;
+#include <aidl/android/hardware/tv/tuner/Result.h>
 
-using ::android::hardware::hidl_handle;
-using ::android::hardware::tv::tuner::V1_0::DemuxAlpLengthType;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterMainType;
-using ::android::hardware::tv::tuner::V1_0::DemuxIpAddress;
-using ::android::hardware::tv::tuner::V1_0::DemuxMmtpFilterType;
-using ::android::hardware::tv::tuner::V1_0::DemuxMmtpPid;
-using ::android::hardware::tv::tuner::V1_0::DemuxRecordScIndexType;
-using ::android::hardware::tv::tuner::V1_0::DemuxStreamId;
-using ::android::hardware::tv::tuner::V1_0::DemuxTsFilterType;
-using ::android::hardware::tv::tuner::V1_0::Result;
-using ::android::hardware::tv::tuner::V1_1::AudioStreamType;
-using ::android::hardware::tv::tuner::V1_1::Constant;
-using ::android::hardware::tv::tuner::V1_1::VideoStreamType;
+using ::aidl::android::hardware::tv::tuner::Result;
 
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
 using namespace std;
 
-TunerFilter::TunerFilter(
-        sp<IFilter> filter, int mainType, int subType) {
-    mFilter = filter;
-    mFilter_1_1 = ::android::hardware::tv::tuner::V1_1::IFilter::castFrom(filter);
-    mMainType = mainType;
-    mSubType = subType;
-}
+TunerFilter::TunerFilter(shared_ptr<IFilter> filter, DemuxFilterType type)
+      : mFilter(filter), mType(type) {}
 
 TunerFilter::~TunerFilter() {
     mFilter = nullptr;
-    mFilter_1_1 = nullptr;
 }
 
-Status TunerFilter::getQueueDesc(AidlMQDesc* _aidl_return) {
-    if (mFilter == NULL) {
-        ALOGE("IFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
-    MQDesc filterMQDesc;
-    Result res;
-    mFilter->getQueueDesc([&](Result r, const MQDesc& desc) {
-        filterMQDesc = desc;
-        res = r;
-    });
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-
-    AidlMQDesc aidlMQDesc;
-    unsafeHidlToAidlMQDescriptor<uint8_t, int8_t, SynchronizedReadWrite>(
-                filterMQDesc,  &aidlMQDesc);
-    *_aidl_return = move(aidlMQDesc);
-    return Status::ok();
-}
-
-Status TunerFilter::getId(int32_t* _aidl_return) {
+::ndk::ScopedAStatus TunerFilter::getQueueDesc(AidlMQDesc* _aidl_return) {
     if (mFilter == nullptr) {
         ALOGE("IFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res;
-    mFilter->getId([&](Result r, uint32_t filterId) {
-        res = r;
-        mId = filterId;
-    });
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    *_aidl_return = mId;
-    return Status::ok();
+    return mFilter->getQueueDesc(_aidl_return);
 }
 
-Status TunerFilter::getId64Bit(int64_t* _aidl_return) {
-    if (mFilter_1_1 == nullptr) {
-        ALOGE("IFilter_1_1 is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
-    Result res;
-    mFilter_1_1->getId64Bit([&](Result r, uint64_t filterId) {
-        res = r;
-        mId64Bit = filterId;
-    });
-    if (res != Result::SUCCESS) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    *_aidl_return = mId64Bit;
-    return Status::ok();
-}
-
-Status TunerFilter::configure(const TunerFilterConfiguration& config) {
+::ndk::ScopedAStatus TunerFilter::getId(int32_t* _aidl_return) {
     if (mFilter == nullptr) {
         ALOGE("IFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    DemuxFilterSettings settings;
-    switch (config.getTag()) {
-        case TunerFilterConfiguration::ts: {
-            getHidlTsSettings(config, settings);
-            break;
-        }
-        case TunerFilterConfiguration::mmtp: {
-            getHidlMmtpSettings(config, settings);
-            break;
-        }
-        case TunerFilterConfiguration::ip: {
-            getHidlIpSettings(config, settings);
-            break;
-        }
-        case TunerFilterConfiguration::tlv: {
-            getHidlTlvSettings(config, settings);
-            break;
-        }
-        case TunerFilterConfiguration::alp: {
-            getHidlAlpSettings(config, settings);
-            break;
-        }
+    auto status = mFilter->getId(&mId);
+    if (status.isOk()) {
+        *_aidl_return = mId;
     }
-
-    Result res = mFilter->configure(settings);
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return status;
 }
 
-Status TunerFilter::configureMonitorEvent(int monitorEventType) {
-    if (mFilter_1_1 == nullptr) {
-        ALOGE("IFilter_1_1 is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
-    Result res = mFilter_1_1->configureMonitorEvent(monitorEventType);
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
-}
-
-Status TunerFilter::configureIpFilterContextId(int cid) {
-    if (mFilter_1_1 == nullptr) {
-        ALOGE("IFilter_1_1 is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
-    Result res = mFilter_1_1->configureIpCid(cid);
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
-}
-
-Status TunerFilter::configureAvStreamType(int avStreamType) {
-    if (mFilter_1_1 == nullptr) {
-        ALOGE("IFilter_1_1 is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
-    AvStreamType type;
-    if (!getHidlAvStreamType(avStreamType, type)) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::INVALID_STATE));
-    }
-
-    Result res = mFilter_1_1->configureAvStreamType(type);
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
-}
-
-Status TunerFilter::setDataSource(const shared_ptr<ITunerFilter>& filter) {
+::ndk::ScopedAStatus TunerFilter::getId64Bit(int64_t* _aidl_return) {
     if (mFilter == nullptr) {
         ALOGE("IFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    ITunerFilter* tunerFilter = filter.get();
-    sp<IFilter> hidlFilter = static_cast<TunerFilter*>(tunerFilter)->getHalFilter();
-    Result res = mFilter->setDataSource(hidlFilter);
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
+    auto status = mFilter->getId64Bit(&mId64Bit);
+    if (status.isOk()) {
+        *_aidl_return = mId64Bit;
     }
-    return Status::ok();
+    return status;
 }
 
-void TunerFilter::getHidlTsSettings(
-        const TunerFilterConfiguration& config, DemuxFilterSettings& settings) {
-    auto tsConf = config.get<TunerFilterConfiguration::ts>();
-    DemuxTsFilterSettings ts{
-        .tpid = static_cast<uint16_t>(tsConf.tpid),
-    };
-
-    TunerFilterSettings tunerSettings = tsConf.filterSettings;
-    switch (tunerSettings.getTag()) {
-        case TunerFilterSettings::av: {
-            ts.filterSettings.av(getAvSettings(tunerSettings));
-            break;
-        }
-        case TunerFilterSettings::section: {
-            ts.filterSettings.section(getSectionSettings(tunerSettings));
-            break;
-        }
-        case TunerFilterSettings::pesData: {
-            ts.filterSettings.pesData(getPesDataSettings(tunerSettings));
-            break;
-        }
-        case TunerFilterSettings::record: {
-            ts.filterSettings.record(getRecordSettings(tunerSettings));
-            break;
-        }
-        default: {
-            ts.filterSettings.noinit();
-            break;
-        }
-    }
-    settings.ts(ts);
-}
-
-void TunerFilter::getHidlMmtpSettings(
-        const TunerFilterConfiguration& config, DemuxFilterSettings& settings) {
-    auto mmtpConf = config.get<TunerFilterConfiguration::mmtp>();
-    DemuxMmtpFilterSettings mmtp{
-        .mmtpPid = static_cast<DemuxMmtpPid>(mmtpConf.mmtpPid),
-    };
-
-    TunerFilterSettings tunerSettings = mmtpConf.filterSettings;
-    switch (tunerSettings.getTag()) {
-        case TunerFilterSettings::av: {
-            mmtp.filterSettings.av(getAvSettings(tunerSettings));
-            break;
-        }
-        case TunerFilterSettings::section: {
-            mmtp.filterSettings.section(getSectionSettings(tunerSettings));
-            break;
-        }
-        case TunerFilterSettings::pesData: {
-            mmtp.filterSettings.pesData(getPesDataSettings(tunerSettings));
-            break;
-        }
-        case TunerFilterSettings::record: {
-            mmtp.filterSettings.record(getRecordSettings(tunerSettings));
-            break;
-        }
-        case TunerFilterSettings::download: {
-            mmtp.filterSettings.download(getDownloadSettings(tunerSettings));
-            break;
-        }
-        default: {
-            mmtp.filterSettings.noinit();
-            break;
-        }
-    }
-    settings.mmtp(mmtp);
-}
-
-void TunerFilter::getHidlIpSettings(
-        const TunerFilterConfiguration& config, DemuxFilterSettings& settings) {
-    auto ipConf = config.get<TunerFilterConfiguration::ip>();
-    DemuxIpAddress ipAddr{
-        .srcPort = static_cast<uint16_t>(ipConf.ipAddr.srcPort),
-        .dstPort = static_cast<uint16_t>(ipConf.ipAddr.dstPort),
-    };
-
-    ipConf.ipAddr.srcIpAddress.isIpV6
-            ? ipAddr.srcIpAddress.v6(getIpV6Address(ipConf.ipAddr.srcIpAddress))
-            : ipAddr.srcIpAddress.v4(getIpV4Address(ipConf.ipAddr.srcIpAddress));
-    ipConf.ipAddr.dstIpAddress.isIpV6
-            ? ipAddr.dstIpAddress.v6(getIpV6Address(ipConf.ipAddr.dstIpAddress))
-            : ipAddr.dstIpAddress.v4(getIpV4Address(ipConf.ipAddr.dstIpAddress));
-    DemuxIpFilterSettings ip{
-        .ipAddr = ipAddr,
-    };
-
-    TunerFilterSettings tunerSettings = ipConf.filterSettings;
-    switch (tunerSettings.getTag()) {
-        case TunerFilterSettings::section: {
-            ip.filterSettings.section(getSectionSettings(tunerSettings));
-            break;
-        }
-        case TunerFilterSettings::isPassthrough: {
-            ip.filterSettings.bPassthrough(tunerSettings.isPassthrough);
-            break;
-        }
-        default: {
-            ip.filterSettings.noinit();
-            break;
-        }
-    }
-    settings.ip(ip);
-}
-
-hidl_array<uint8_t, IP_V6_LENGTH> TunerFilter::getIpV6Address(TunerDemuxIpAddress addr) {
-    hidl_array<uint8_t, IP_V6_LENGTH> ip;
-    if (addr.addr.size() != IP_V6_LENGTH) {
-        return ip;
-    }
-    copy(addr.addr.begin(), addr.addr.end(), ip.data());
-    return ip;
-}
-
-hidl_array<uint8_t, IP_V4_LENGTH> TunerFilter::getIpV4Address(TunerDemuxIpAddress addr) {
-    hidl_array<uint8_t, IP_V4_LENGTH> ip;
-    if (addr.addr.size() != IP_V4_LENGTH) {
-        return ip;
-    }
-    copy(addr.addr.begin(), addr.addr.end(), ip.data());
-    return ip;
-}
-
-void TunerFilter::getHidlTlvSettings(
-        const TunerFilterConfiguration& config, DemuxFilterSettings& settings) {
-    auto tlvConf = config.get<TunerFilterConfiguration::tlv>();
-    DemuxTlvFilterSettings tlv{
-        .packetType = static_cast<uint8_t>(tlvConf.packetType),
-        .isCompressedIpPacket = tlvConf.isCompressedIpPacket,
-    };
-
-    TunerFilterSettings tunerSettings = tlvConf.filterSettings;
-    switch (tunerSettings.getTag()) {
-        case TunerFilterSettings::section: {
-            tlv.filterSettings.section(getSectionSettings(tunerSettings));
-            break;
-        }
-        case TunerFilterSettings::isPassthrough: {
-            tlv.filterSettings.bPassthrough(tunerSettings.isPassthrough);
-            break;
-        }
-        default: {
-            tlv.filterSettings.noinit();
-            break;
-        }
-    }
-    settings.tlv(tlv);
-}
-
-void TunerFilter::getHidlAlpSettings(
-        const TunerFilterConfiguration& config, DemuxFilterSettings& settings) {
-    auto alpConf = config.get<TunerFilterConfiguration::alp>();
-    DemuxAlpFilterSettings alp{
-        .packetType = static_cast<uint8_t>(alpConf.packetType),
-        .lengthType = static_cast<DemuxAlpLengthType>(alpConf.lengthType),
-    };
-
-    TunerFilterSettings tunerSettings = alpConf.filterSettings;
-    switch (tunerSettings.getTag()) {
-        case TunerFilterSettings::section: {
-            alp.filterSettings.section(getSectionSettings(tunerSettings));
-            break;
-        }
-        default: {
-            alp.filterSettings.noinit();
-            break;
-        }
-    }
-    settings.alp(alp);
-}
-
-DemuxFilterAvSettings TunerFilter::getAvSettings(const TunerFilterSettings& settings) {
-    DemuxFilterAvSettings av {
-        .isPassthrough = settings.get<TunerFilterSettings::av>().isPassthrough,
-    };
-    return av;
-}
-
-DemuxFilterSectionSettings TunerFilter::getSectionSettings(const TunerFilterSettings& settings) {
-    auto s = settings.get<TunerFilterSettings::section>();
-    DemuxFilterSectionSettings section{
-        .isCheckCrc = s.isCheckCrc,
-        .isRepeat = s.isRepeat,
-        .isRaw = s.isRaw,
-    };
-
-    switch (s.condition.getTag()) {
-        case TunerFilterSectionCondition::sectionBits: {
-            auto sectionBits = s.condition.get<TunerFilterSectionCondition::sectionBits>();
-            vector<uint8_t> filter(sectionBits.filter.begin(), sectionBits.filter.end());
-            vector<uint8_t> mask(sectionBits.mask.begin(), sectionBits.mask.end());
-            vector<uint8_t> mode(sectionBits.mode.begin(), sectionBits.mode.end());
-            section.condition.sectionBits({
-                .filter = filter,
-                .mask = mask,
-                .mode = mode,
-            });
-            break;
-        }
-        case TunerFilterSectionCondition::tableInfo: {
-            auto tableInfo = s.condition.get<TunerFilterSectionCondition::tableInfo>();
-            section.condition.tableInfo({
-                .tableId = static_cast<uint16_t>(tableInfo.tableId),
-                .version = static_cast<uint16_t>(tableInfo.version),
-            });
-            break;
-        }
-        default: {
-            break;
-        }
-    }
-    return section;
-}
-
-DemuxFilterPesDataSettings TunerFilter::getPesDataSettings(const TunerFilterSettings& settings) {
-    DemuxFilterPesDataSettings pes{
-        .streamId = static_cast<DemuxStreamId>(
-                settings.get<TunerFilterSettings::pesData>().streamId),
-        .isRaw = settings.get<TunerFilterSettings::pesData>().isRaw,
-    };
-    return pes;
-}
-
-DemuxFilterRecordSettings TunerFilter::getRecordSettings(const TunerFilterSettings& settings) {
-    auto r = settings.get<TunerFilterSettings::record>();
-    DemuxFilterRecordSettings record{
-        .tsIndexMask = static_cast<uint32_t>(r.tsIndexMask),
-        .scIndexType = static_cast<DemuxRecordScIndexType>(r.scIndexType),
-    };
-
-    switch (r.scIndexMask.getTag()) {
-        case TunerFilterScIndexMask::sc: {
-            record.scIndexMask.sc(static_cast<uint32_t>(
-                    r.scIndexMask.get<TunerFilterScIndexMask::sc>()));
-            break;
-        }
-        case TunerFilterScIndexMask::scHevc: {
-            record.scIndexMask.scHevc(static_cast<uint32_t>(
-                    r.scIndexMask.get<TunerFilterScIndexMask::scHevc>()));
-            break;
-        }
-    }
-    return record;
-}
-
-DemuxFilterDownloadSettings TunerFilter::getDownloadSettings(const TunerFilterSettings& settings) {
-    DemuxFilterDownloadSettings download {
-        .downloadId = static_cast<uint32_t>(
-                settings.get<TunerFilterSettings::download>().downloadId),
-    };
-    return download;
-}
-
-Status TunerFilter::getAvSharedHandleInfo(TunerFilterSharedHandleInfo* _aidl_return) {
-    if (mFilter_1_1 == nullptr) {
-        ALOGE("IFilter_1_1 is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
-    Result res;
-    mFilter_1_1->getAvSharedHandle([&](Result r, hidl_handle avMemory, uint64_t avMemSize) {
-        res = r;
-        if (res == Result::SUCCESS) {
-            TunerFilterSharedHandleInfo info{
-                .handle = dupToAidl(avMemory),
-                .size = static_cast<int64_t>(avMemSize),
-            };
-            *_aidl_return = move(info);
-        } else {
-            _aidl_return = NULL;
-        }
-    });
-
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
-}
-
-Status TunerFilter::releaseAvHandle(
-        const ::aidl::android::hardware::common::NativeHandle& handle, int64_t avDataId) {
+::ndk::ScopedAStatus TunerFilter::configure(const DemuxFilterSettings& in_settings) {
     if (mFilter == nullptr) {
         ALOGE("IFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mFilter->releaseAvHandle(hidl_handle(makeFromAidl(handle)), avDataId);
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return mFilter->configure(in_settings);
 }
 
-Status TunerFilter::start() {
+::ndk::ScopedAStatus TunerFilter::configureMonitorEvent(int32_t monitorEventType) {
     if (mFilter == nullptr) {
         ALOGE("IFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
-    Result res = mFilter->start();
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+
+    return mFilter->configureMonitorEvent(monitorEventType);
 }
 
-Status TunerFilter::stop() {
+::ndk::ScopedAStatus TunerFilter::configureIpFilterContextId(int32_t cid) {
     if (mFilter == nullptr) {
         ALOGE("IFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
-    Result res = mFilter->stop();
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+
+    return mFilter->configureIpCid(cid);
 }
 
-Status TunerFilter::flush() {
+::ndk::ScopedAStatus TunerFilter::configureAvStreamType(const AvStreamType& in_avStreamType) {
     if (mFilter == nullptr) {
         ALOGE("IFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
-    Result res = mFilter->flush();
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+
+    return mFilter->configureAvStreamType(in_avStreamType);
 }
 
-Status TunerFilter::close() {
+::ndk::ScopedAStatus TunerFilter::setDataSource(const shared_ptr<ITunerFilter>& filter) {
     if (mFilter == nullptr) {
         ALOGE("IFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
-    Result res = mFilter->close();
-    mFilter = NULL;
-    mFilter_1_1 = NULL;
 
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
+    if (filter == nullptr) {
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::INVALID_ARGUMENT));
     }
-    return Status::ok();
+
+    shared_ptr<IFilter> halFilter = static_cast<TunerFilter*>(filter.get())->getHalFilter();
+    return mFilter->setDataSource(halFilter);
 }
 
-sp<IFilter> TunerFilter::getHalFilter() {
+::ndk::ScopedAStatus TunerFilter::getAvSharedHandle(NativeHandle* out_avMemory,
+                                                    int64_t* _aidl_return) {
+    if (mFilter == nullptr) {
+        ALOGE("IFilter is not initialized");
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
+    }
+
+    return mFilter->getAvSharedHandle(out_avMemory, _aidl_return);
+}
+
+::ndk::ScopedAStatus TunerFilter::releaseAvHandle(const NativeHandle& in_handle,
+                                                  int64_t in_avDataId) {
+    if (mFilter == nullptr) {
+        ALOGE("IFilter is not initialized");
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
+    }
+
+    return mFilter->releaseAvHandle(in_handle, in_avDataId);
+}
+
+::ndk::ScopedAStatus TunerFilter::start() {
+    if (mFilter == nullptr) {
+        ALOGE("IFilter is not initialized");
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
+    }
+
+    return mFilter->start();
+}
+
+::ndk::ScopedAStatus TunerFilter::stop() {
+    if (mFilter == nullptr) {
+        ALOGE("IFilter is not initialized");
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
+    }
+
+    return mFilter->stop();
+}
+
+::ndk::ScopedAStatus TunerFilter::flush() {
+    if (mFilter == nullptr) {
+        ALOGE("IFilter is not initialized");
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
+    }
+
+    return mFilter->flush();
+}
+
+::ndk::ScopedAStatus TunerFilter::close() {
+    if (mFilter == nullptr) {
+        ALOGE("IFilter is not initialized");
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
+    }
+    auto res = mFilter->close();
+    mFilter = nullptr;
+
+    return res;
+}
+
+shared_ptr<IFilter> TunerFilter::getHalFilter() {
     return mFilter;
 }
 
-bool TunerFilter::isAudioFilter() {
-    return (mMainType == (int)DemuxFilterMainType::TS
-                    && mSubType == (int)DemuxTsFilterType::AUDIO)
-            || (mMainType == (int)DemuxFilterMainType::MMTP
-                    && mSubType == (int)DemuxMmtpFilterType::AUDIO);
-}
-
-bool TunerFilter::isVideoFilter() {
-    return (mMainType == (int)DemuxFilterMainType::TS
-                    && mSubType == (int)DemuxTsFilterType::VIDEO)
-            || (mMainType == (int)DemuxFilterMainType::MMTP
-                    && mSubType == (int)DemuxMmtpFilterType::VIDEO);
-}
-
-bool TunerFilter::getHidlAvStreamType(int avStreamType, AvStreamType& type) {
-    if (isAudioFilter()) {
-        type.audio(static_cast<AudioStreamType>(avStreamType));
-        return true;
-    }
-
-    if (isVideoFilter()) {
-        type.video(static_cast<VideoStreamType>(avStreamType));
-        return true;
-    }
-
-    return false;
-}
-
 /////////////// FilterCallback ///////////////////////
-
-Return<void> TunerFilter::FilterCallback::onFilterStatus(DemuxFilterStatus status) {
-    if (mTunerFilterCallback != NULL) {
-        mTunerFilterCallback->onFilterStatus((int)status);
+::ndk::ScopedAStatus TunerFilter::FilterCallback::onFilterStatus(DemuxFilterStatus status) {
+    if (mTunerFilterCallback != nullptr) {
+        mTunerFilterCallback->onFilterStatus(status);
     }
-    return Void();
+    return ::ndk::ScopedAStatus::ok();
 }
 
-Return<void> TunerFilter::FilterCallback::onFilterEvent(const DemuxFilterEvent& filterEvent) {
-    vector<DemuxFilterEventExt::Event> emptyEventsExt;
-    DemuxFilterEventExt emptyFilterEventExt {
-            .events = emptyEventsExt,
-    };
-    onFilterEvent_1_1(filterEvent, emptyFilterEventExt);
-    return Void();
-}
-
-Return<void> TunerFilter::FilterCallback::onFilterEvent_1_1(const DemuxFilterEvent& filterEvent,
-        const DemuxFilterEventExt& filterEventExt) {
-    if (mTunerFilterCallback != NULL) {
-        vector<DemuxFilterEvent::Event> events = filterEvent.events;
-        vector<DemuxFilterEventExt::Event> eventsExt = filterEventExt.events;
-        vector<TunerFilterEvent> tunerEvent;
-
-        getAidlFilterEvent(events, eventsExt, tunerEvent);
-        mTunerFilterCallback->onFilterEvent(tunerEvent);
+::ndk::ScopedAStatus TunerFilter::FilterCallback::onFilterEvent(
+        const vector<DemuxFilterEvent>& events) {
+    if (mTunerFilterCallback != nullptr) {
+        mTunerFilterCallback->onFilterEvent(events);
     }
-    return Void();
+    return ::ndk::ScopedAStatus::ok();
 }
 
-/////////////// FilterCallback Helper Methods ///////////////////////
-
-void TunerFilter::FilterCallback::getAidlFilterEvent(vector<DemuxFilterEvent::Event>& events,
-        vector<DemuxFilterEventExt::Event>& eventsExt,
-        vector<TunerFilterEvent>& tunerEvent) {
-    if (events.empty() && !eventsExt.empty()) {
-        auto eventExt = eventsExt[0];
-        switch (eventExt.getDiscriminator()) {
-            case DemuxFilterEventExt::Event::hidl_discriminator::monitorEvent: {
-                getMonitorEvent(eventsExt, tunerEvent);
-                return;
-            }
-            case DemuxFilterEventExt::Event::hidl_discriminator::startId: {
-                getRestartEvent(eventsExt, tunerEvent);
-                return;
-            }
-            default: {
-                break;
-            }
-        }
-        return;
-    }
-
-    if (!events.empty()) {
-        auto event = events[0];
-        switch (event.getDiscriminator()) {
-            case DemuxFilterEvent::Event::hidl_discriminator::media: {
-                getMediaEvent(events, tunerEvent);
-                break;
-            }
-            case DemuxFilterEvent::Event::hidl_discriminator::section: {
-                getSectionEvent(events, tunerEvent);
-                break;
-            }
-            case DemuxFilterEvent::Event::hidl_discriminator::pes: {
-                getPesEvent(events, tunerEvent);
-                break;
-            }
-            case DemuxFilterEvent::Event::hidl_discriminator::tsRecord: {
-                getTsRecordEvent(events, eventsExt, tunerEvent);
-                break;
-            }
-            case DemuxFilterEvent::Event::hidl_discriminator::mmtpRecord: {
-                getMmtpRecordEvent(events, eventsExt, tunerEvent);
-                break;
-            }
-            case DemuxFilterEvent::Event::hidl_discriminator::download: {
-                getDownloadEvent(events, tunerEvent);
-                break;
-            }
-            case DemuxFilterEvent::Event::hidl_discriminator::ipPayload: {
-                getIpPayloadEvent(events, tunerEvent);
-                break;
-            }
-            case DemuxFilterEvent::Event::hidl_discriminator::temi: {
-                getTemiEvent(events, tunerEvent);
-                break;
-            }
-            default: {
-                break;
-            }
-        }
-    }
-}
-
-void TunerFilter::FilterCallback::getMediaEvent(
-        vector<DemuxFilterEvent::Event>& events, vector<TunerFilterEvent>& res) {
-    for (DemuxFilterEvent::Event e : events) {
-        DemuxFilterMediaEvent mediaEvent = e.media();
-        TunerFilterMediaEvent tunerMedia;
-
-        tunerMedia.streamId = static_cast<char16_t>(mediaEvent.streamId);
-        tunerMedia.isPtsPresent = mediaEvent.isPtsPresent;
-        tunerMedia.pts = static_cast<long>(mediaEvent.pts);
-        tunerMedia.dataLength = static_cast<int>(mediaEvent.dataLength);
-        tunerMedia.offset = static_cast<int>(mediaEvent.offset);
-        tunerMedia.isSecureMemory = mediaEvent.isSecureMemory;
-        tunerMedia.avDataId = static_cast<long>(mediaEvent.avDataId);
-        tunerMedia.mpuSequenceNumber = static_cast<int>(mediaEvent.mpuSequenceNumber);
-        tunerMedia.isPesPrivateData = mediaEvent.isPesPrivateData;
-
-        if (mediaEvent.extraMetaData.getDiscriminator() ==
-                DemuxFilterMediaEvent::ExtraMetaData::hidl_discriminator::audio) {
-            tunerMedia.isAudioExtraMetaData = true;
-            tunerMedia.audio = {
-                .adFade = static_cast<int8_t>(
-                        mediaEvent.extraMetaData.audio().adFade),
-                .adPan = static_cast<int8_t>(
-                        mediaEvent.extraMetaData.audio().adPan),
-                .versionTextTag = static_cast<int8_t>(
-                        mediaEvent.extraMetaData.audio().versionTextTag),
-                .adGainCenter = static_cast<int8_t>(
-                        mediaEvent.extraMetaData.audio().adGainCenter),
-                .adGainFront = static_cast<int8_t>(
-                        mediaEvent.extraMetaData.audio().adGainFront),
-                .adGainSurround = static_cast<int8_t>(
-                        mediaEvent.extraMetaData.audio().adGainSurround),
-            };
-        } else {
-            tunerMedia.isAudioExtraMetaData = false;
-        }
-
-        if (mediaEvent.avMemory.getNativeHandle() != nullptr) {
-            tunerMedia.avMemory = dupToAidl(mediaEvent.avMemory.getNativeHandle());
-        }
-
-        TunerFilterEvent tunerEvent;
-        tunerEvent.set<TunerFilterEvent::media>(move(tunerMedia));
-        res.push_back(move(tunerEvent));
-    }
-}
-
-void TunerFilter::FilterCallback::getSectionEvent(
-        vector<DemuxFilterEvent::Event>& events, vector<TunerFilterEvent>& res) {
-    for (DemuxFilterEvent::Event e : events) {
-        DemuxFilterSectionEvent sectionEvent = e.section();
-        TunerFilterSectionEvent tunerSection;
-
-        tunerSection.tableId = static_cast<char16_t>(sectionEvent.tableId);
-        tunerSection.version = static_cast<char16_t>(sectionEvent.version);
-        tunerSection.sectionNum = static_cast<char16_t>(sectionEvent.sectionNum);
-        tunerSection.dataLength = static_cast<char16_t>(sectionEvent.dataLength);
-
-        TunerFilterEvent tunerEvent;
-        tunerEvent.set<TunerFilterEvent::section>(move(tunerSection));
-        res.push_back(move(tunerEvent));
-    }
-}
-
-void TunerFilter::FilterCallback::getPesEvent(
-        vector<DemuxFilterEvent::Event>& events, vector<TunerFilterEvent>& res) {
-    for (DemuxFilterEvent::Event e : events) {
-        DemuxFilterPesEvent pesEvent = e.pes();
-        TunerFilterPesEvent tunerPes;
-
-        tunerPes.streamId = static_cast<char16_t>(pesEvent.streamId);
-        tunerPes.dataLength = static_cast<char16_t>(pesEvent.dataLength);
-        tunerPes.mpuSequenceNumber = static_cast<int>(pesEvent.mpuSequenceNumber);
-
-        TunerFilterEvent tunerEvent;
-        tunerEvent.set<TunerFilterEvent::pes>(move(tunerPes));
-        res.push_back(move(tunerEvent));
-    }
-}
-
-void TunerFilter::FilterCallback::getTsRecordEvent(vector<DemuxFilterEvent::Event>& events,
-        vector<DemuxFilterEventExt::Event>& eventsExt, vector<TunerFilterEvent>& res) {
-    for (int i = 0; i < events.size(); i++) {
-        TunerFilterTsRecordEvent tunerTsRecord;
-        DemuxFilterTsRecordEvent tsRecordEvent = events[i].tsRecord();
-
-        TunerFilterScIndexMask scIndexMask;
-        if (tsRecordEvent.scIndexMask.getDiscriminator()
-                == DemuxFilterTsRecordEvent::ScIndexMask::hidl_discriminator::sc) {
-            scIndexMask.set<TunerFilterScIndexMask::sc>(
-                    static_cast<int>(tsRecordEvent.scIndexMask.sc()));
-        } else if (tsRecordEvent.scIndexMask.getDiscriminator()
-                == DemuxFilterTsRecordEvent::ScIndexMask::hidl_discriminator::scHevc) {
-            scIndexMask.set<TunerFilterScIndexMask::scHevc>(
-                    static_cast<int>(tsRecordEvent.scIndexMask.scHevc()));
-        }
-
-        if (tsRecordEvent.pid.getDiscriminator() == DemuxPid::hidl_discriminator::tPid) {
-            tunerTsRecord.pid = static_cast<char16_t>(tsRecordEvent.pid.tPid());
-        } else {
-            tunerTsRecord.pid = static_cast<char16_t>(Constant::INVALID_TS_PID);
-        }
-
-        tunerTsRecord.scIndexMask = scIndexMask;
-        tunerTsRecord.tsIndexMask = static_cast<int>(tsRecordEvent.tsIndexMask);
-        tunerTsRecord.byteNumber = static_cast<long>(tsRecordEvent.byteNumber);
-
-        if (eventsExt.size() > i && eventsExt[i].getDiscriminator() ==
-                    DemuxFilterEventExt::Event::hidl_discriminator::tsRecord) {
-            tunerTsRecord.isExtended = true;
-            tunerTsRecord.pts = static_cast<long>(eventsExt[i].tsRecord().pts);
-            tunerTsRecord.firstMbInSlice = static_cast<int>(eventsExt[i].tsRecord().firstMbInSlice);
-        } else {
-            tunerTsRecord.isExtended = false;
-        }
-
-        TunerFilterEvent tunerEvent;
-        tunerEvent.set<TunerFilterEvent::tsRecord>(move(tunerTsRecord));
-        res.push_back(move(tunerEvent));
-    }
-}
-
-void TunerFilter::FilterCallback::getMmtpRecordEvent(vector<DemuxFilterEvent::Event>& events,
-        vector<DemuxFilterEventExt::Event>& eventsExt, vector<TunerFilterEvent>& res) {
-    for (int i = 0; i < events.size(); i++) {
-        TunerFilterMmtpRecordEvent tunerMmtpRecord;
-        DemuxFilterMmtpRecordEvent mmtpRecordEvent = events[i].mmtpRecord();
-
-        tunerMmtpRecord.scHevcIndexMask = static_cast<int>(mmtpRecordEvent.scHevcIndexMask);
-        tunerMmtpRecord.byteNumber = static_cast<long>(mmtpRecordEvent.byteNumber);
-
-        if (eventsExt.size() > i && eventsExt[i].getDiscriminator() ==
-                    DemuxFilterEventExt::Event::hidl_discriminator::mmtpRecord) {
-            tunerMmtpRecord.isExtended = true;
-            tunerMmtpRecord.pts = static_cast<long>(eventsExt[i].mmtpRecord().pts);
-            tunerMmtpRecord.mpuSequenceNumber =
-                    static_cast<int>(eventsExt[i].mmtpRecord().mpuSequenceNumber);
-            tunerMmtpRecord.firstMbInSlice =
-                    static_cast<int>(eventsExt[i].mmtpRecord().firstMbInSlice);
-            tunerMmtpRecord.tsIndexMask = static_cast<int>(eventsExt[i].mmtpRecord().tsIndexMask);
-        } else {
-            tunerMmtpRecord.isExtended = false;
-        }
-
-        TunerFilterEvent tunerEvent;
-        tunerEvent.set<TunerFilterEvent::mmtpRecord>(move(tunerMmtpRecord));
-        res.push_back(move(tunerEvent));
-    }
-}
-
-void TunerFilter::FilterCallback::getDownloadEvent(
-        vector<DemuxFilterEvent::Event>& events, vector<TunerFilterEvent>& res) {
-    for (DemuxFilterEvent::Event e : events) {
-        DemuxFilterDownloadEvent downloadEvent = e.download();
-        TunerFilterDownloadEvent tunerDownload;
-
-        tunerDownload.itemId = static_cast<int>(downloadEvent.itemId);
-        tunerDownload.itemFragmentIndex = static_cast<int>(downloadEvent.itemFragmentIndex);
-        tunerDownload.mpuSequenceNumber = static_cast<int>(downloadEvent.mpuSequenceNumber);
-        tunerDownload.lastItemFragmentIndex = static_cast<int>(downloadEvent.lastItemFragmentIndex);
-        tunerDownload.dataLength = static_cast<char16_t>(downloadEvent.dataLength);
-
-        TunerFilterEvent tunerEvent;
-        tunerEvent.set<TunerFilterEvent::download>(move(tunerDownload));
-        res.push_back(move(tunerEvent));
-    }
-}
-
-void TunerFilter::FilterCallback::getIpPayloadEvent(
-        vector<DemuxFilterEvent::Event>& events, vector<TunerFilterEvent>& res) {
-    for (DemuxFilterEvent::Event e : events) {
-        DemuxFilterIpPayloadEvent ipPayloadEvent = e.ipPayload();
-        TunerFilterIpPayloadEvent tunerIpPayload;
-
-        tunerIpPayload.dataLength = static_cast<char16_t>(ipPayloadEvent.dataLength);
-
-        TunerFilterEvent tunerEvent;
-        tunerEvent.set<TunerFilterEvent::ipPayload>(move(tunerIpPayload));
-        res.push_back(move(tunerEvent));
-    }
-}
-
-void TunerFilter::FilterCallback::getTemiEvent(
-        vector<DemuxFilterEvent::Event>& events, vector<TunerFilterEvent>& res) {
-    for (DemuxFilterEvent::Event e : events) {
-        DemuxFilterTemiEvent temiEvent = e.temi();
-        TunerFilterTemiEvent tunerTemi;
-
-        tunerTemi.pts = static_cast<long>(temiEvent.pts);
-        tunerTemi.descrTag = static_cast<int8_t>(temiEvent.descrTag);
-        vector<uint8_t> descrData = temiEvent.descrData;
-        tunerTemi.descrData.resize(descrData.size());
-        copy(descrData.begin(), descrData.end(), tunerTemi.descrData.begin());
-
-        TunerFilterEvent tunerEvent;
-        tunerEvent.set<TunerFilterEvent::temi>(move(tunerTemi));
-        res.push_back(move(tunerEvent));
-    }
-}
-
-void TunerFilter::FilterCallback::getMonitorEvent(
-        vector<DemuxFilterEventExt::Event>& eventsExt, vector<TunerFilterEvent>& res) {
-    DemuxFilterMonitorEvent monitorEvent = eventsExt[0].monitorEvent();
-    TunerFilterMonitorEvent tunerMonitor;
-
-    switch (monitorEvent.getDiscriminator()) {
-        case DemuxFilterMonitorEvent::hidl_discriminator::scramblingStatus: {
-            tunerMonitor.set<TunerFilterMonitorEvent::scramblingStatus>(
-                    static_cast<int>(monitorEvent.scramblingStatus()));
-            break;
-        }
-        case DemuxFilterMonitorEvent::hidl_discriminator::cid: {
-            tunerMonitor.set<TunerFilterMonitorEvent::cid>(static_cast<int>(monitorEvent.cid()));
-            break;
-        }
-    }
-
-    TunerFilterEvent tunerEvent;
-    tunerEvent.set<TunerFilterEvent::monitor>(move(tunerMonitor));
-    res.push_back(move(tunerEvent));
-}
-
-void TunerFilter::FilterCallback::getRestartEvent(
-        vector<DemuxFilterEventExt::Event>& eventsExt, vector<TunerFilterEvent>& res) {
-    TunerFilterEvent tunerEvent;
-    tunerEvent.set<TunerFilterEvent::startId>(static_cast<int>(eventsExt[0].startId()));
-    res.push_back(move(tunerEvent));
-}
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
 }  // namespace android
+}  // namespace aidl
diff --git a/services/tuner/TunerFilter.h b/services/tuner/TunerFilter.h
index ff4728c..86d178c 100644
--- a/services/tuner/TunerFilter.h
+++ b/services/tuner/TunerFilter.h
@@ -17,176 +17,90 @@
 #ifndef ANDROID_MEDIA_TUNERFILTER_H
 #define ANDROID_MEDIA_TUNERFILTER_H
 
+#include <aidl/android/hardware/tv/tuner/AvStreamType.h>
+#include <aidl/android/hardware/tv/tuner/BnFilterCallback.h>
+#include <aidl/android/hardware/tv/tuner/DemuxFilterEvent.h>
+#include <aidl/android/hardware/tv/tuner/DemuxFilterSettings.h>
+#include <aidl/android/hardware/tv/tuner/DemuxFilterStatus.h>
+#include <aidl/android/hardware/tv/tuner/DemuxFilterType.h>
+#include <aidl/android/hardware/tv/tuner/IFilter.h>
 #include <aidl/android/media/tv/tuner/BnTunerFilter.h>
 #include <aidl/android/media/tv/tuner/ITunerFilterCallback.h>
-#include <aidlcommonsupport/NativeHandle.h>
-#include <android/hardware/tv/tuner/1.0/ITuner.h>
-#include <android/hardware/tv/tuner/1.1/IFilter.h>
-#include <android/hardware/tv/tuner/1.1/IFilterCallback.h>
-#include <android/hardware/tv/tuner/1.1/types.h>
 #include <media/stagefright/foundation/ADebug.h>
-#include <fmq/ConvertMQDescriptors.h>
-#include <fmq/MessageQueue.h>
 
-using Status = ::ndk::ScopedAStatus;
+using ::aidl::android::hardware::common::NativeHandle;
 using ::aidl::android::hardware::common::fmq::MQDescriptor;
 using ::aidl::android::hardware::common::fmq::SynchronizedReadWrite;
+using ::aidl::android::hardware::tv::tuner::AvStreamType;
+using ::aidl::android::hardware::tv::tuner::BnFilterCallback;
+using ::aidl::android::hardware::tv::tuner::DemuxFilterEvent;
+using ::aidl::android::hardware::tv::tuner::DemuxFilterSettings;
+using ::aidl::android::hardware::tv::tuner::DemuxFilterStatus;
+using ::aidl::android::hardware::tv::tuner::DemuxFilterType;
+using ::aidl::android::hardware::tv::tuner::IFilter;
 using ::aidl::android::media::tv::tuner::BnTunerFilter;
-using ::aidl::android::media::tv::tuner::ITunerFilterCallback;
-using ::aidl::android::media::tv::tuner::TunerDemuxIpAddress;
-using ::aidl::android::media::tv::tuner::TunerFilterConfiguration;
-using ::aidl::android::media::tv::tuner::TunerFilterDownloadEvent;
-using ::aidl::android::media::tv::tuner::TunerFilterIpPayloadEvent;
-using ::aidl::android::media::tv::tuner::TunerFilterEvent;
-using ::aidl::android::media::tv::tuner::TunerFilterMediaEvent;
-using ::aidl::android::media::tv::tuner::TunerFilterMmtpRecordEvent;
-using ::aidl::android::media::tv::tuner::TunerFilterMonitorEvent;
-using ::aidl::android::media::tv::tuner::TunerFilterPesEvent;
-using ::aidl::android::media::tv::tuner::TunerFilterScIndexMask;
-using ::aidl::android::media::tv::tuner::TunerFilterSectionEvent;
-using ::aidl::android::media::tv::tuner::TunerFilterSharedHandleInfo;
-using ::aidl::android::media::tv::tuner::TunerFilterSettings;
-using ::aidl::android::media::tv::tuner::TunerFilterTemiEvent;
-using ::aidl::android::media::tv::tuner::TunerFilterTsRecordEvent;
-using ::android::hardware::MQDescriptorSync;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::hardware::hidl_array;
-using ::android::hardware::tv::tuner::V1_0::DemuxAlpFilterSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterAvSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterDownloadEvent;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterDownloadSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterIpPayloadEvent;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterEvent;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterMediaEvent;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterMmtpRecordEvent;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterPesDataSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterPesEvent;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterRecordSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterSectionEvent;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterSectionSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterStatus;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterTemiEvent;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterTsRecordEvent;
-using ::android::hardware::tv::tuner::V1_0::DemuxIpFilterSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxMmtpFilterSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxTlvFilterSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxTsFilterSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxPid;
-using ::android::hardware::tv::tuner::V1_0::IFilter;
-using ::android::hardware::tv::tuner::V1_1::AvStreamType;
-using ::android::hardware::tv::tuner::V1_1::DemuxFilterEventExt;
-using ::android::hardware::tv::tuner::V1_1::DemuxFilterMonitorEvent;
-using ::android::hardware::tv::tuner::V1_1::DemuxFilterTsRecordEventExt;
-using ::android::hardware::tv::tuner::V1_1::IFilterCallback;
 
+using namespace std;
+
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
-using MQDesc = MQDescriptorSync<uint8_t>;
 using AidlMQDesc = MQDescriptor<int8_t, SynchronizedReadWrite>;
 
-const static int IP_V4_LENGTH = 4;
-const static int IP_V6_LENGTH = 16;
-
 class TunerFilter : public BnTunerFilter {
 
 public:
-    TunerFilter(sp<IFilter> filter, int mainType, int subTyp);
+    TunerFilter(shared_ptr<IFilter> filter, DemuxFilterType type);
     virtual ~TunerFilter();
-    Status getId(int32_t* _aidl_return) override;
-    Status getId64Bit(int64_t* _aidl_return) override;
-    Status getQueueDesc(AidlMQDesc* _aidl_return) override;
-    Status configure(const TunerFilterConfiguration& config) override;
-    Status configureMonitorEvent(int monitorEventType) override;
-    Status configureIpFilterContextId(int cid) override;
-    Status configureAvStreamType(int avStreamType) override;
-    Status getAvSharedHandleInfo(TunerFilterSharedHandleInfo* _aidl_return) override;
-    Status releaseAvHandle(const ::aidl::android::hardware::common::NativeHandle& handle,
-            int64_t avDataId) override;
-    Status setDataSource(const std::shared_ptr<ITunerFilter>& filter) override;
-    Status start() override;
-    Status stop() override;
-    Status flush() override;
-    Status close() override;
-    sp<IFilter> getHalFilter();
 
-    struct FilterCallback : public IFilterCallback {
-        FilterCallback(const std::shared_ptr<ITunerFilterCallback> tunerFilterCallback)
-                : mTunerFilterCallback(tunerFilterCallback) {};
+    ::ndk::ScopedAStatus getId(int32_t* _aidl_return) override;
+    ::ndk::ScopedAStatus getId64Bit(int64_t* _aidl_return) override;
+    ::ndk::ScopedAStatus getQueueDesc(AidlMQDesc* _aidl_return) override;
+    ::ndk::ScopedAStatus configure(const DemuxFilterSettings& in_settings) override;
+    ::ndk::ScopedAStatus configureMonitorEvent(int32_t in_monitorEventTypes) override;
+    ::ndk::ScopedAStatus configureIpFilterContextId(int32_t in_cid) override;
+    ::ndk::ScopedAStatus configureAvStreamType(const AvStreamType& in_avStreamType) override;
+    ::ndk::ScopedAStatus getAvSharedHandle(NativeHandle* out_avMemory,
+                                           int64_t* _aidl_return) override;
+    ::ndk::ScopedAStatus releaseAvHandle(const NativeHandle& in_handle,
+                                         int64_t in_avDataId) override;
+    ::ndk::ScopedAStatus setDataSource(const shared_ptr<ITunerFilter>& in_filter) override;
+    ::ndk::ScopedAStatus start() override;
+    ::ndk::ScopedAStatus stop() override;
+    ::ndk::ScopedAStatus flush() override;
+    ::ndk::ScopedAStatus close() override;
 
-        virtual Return<void> onFilterEvent(const DemuxFilterEvent& filterEvent);
-        virtual Return<void> onFilterEvent_1_1(const DemuxFilterEvent& filterEvent,
-                const DemuxFilterEventExt& filterEventExt);
-        virtual Return<void> onFilterStatus(DemuxFilterStatus status);
+    shared_ptr<IFilter> getHalFilter();
 
-        void getAidlFilterEvent(std::vector<DemuxFilterEvent::Event>& events,
-                std::vector<DemuxFilterEventExt::Event>& eventsExt,
-                std::vector<TunerFilterEvent>& tunerEvent);
+    class FilterCallback : public BnFilterCallback {
+    public:
+        FilterCallback(const shared_ptr<ITunerFilterCallback> tunerFilterCallback)
+              : mTunerFilterCallback(tunerFilterCallback){};
 
-        void getMediaEvent(
-                std::vector<DemuxFilterEvent::Event>& events, std::vector<TunerFilterEvent>& res);
-        void getSectionEvent(
-                std::vector<DemuxFilterEvent::Event>& events, std::vector<TunerFilterEvent>& res);
-        void getPesEvent(
-                std::vector<DemuxFilterEvent::Event>& events, std::vector<TunerFilterEvent>& res);
-        void getTsRecordEvent(
-                std::vector<DemuxFilterEvent::Event>& events,
-                std::vector<DemuxFilterEventExt::Event>& eventsExt,
-                std::vector<TunerFilterEvent>& res);
-        void getMmtpRecordEvent(
-                std::vector<DemuxFilterEvent::Event>& events,
-                std::vector<DemuxFilterEventExt::Event>& eventsExt,
-                std::vector<TunerFilterEvent>& res);
-        void getDownloadEvent(
-                std::vector<DemuxFilterEvent::Event>& events, std::vector<TunerFilterEvent>& res);
-        void getIpPayloadEvent(
-                std::vector<DemuxFilterEvent::Event>& events, std::vector<TunerFilterEvent>& res);
-        void getTemiEvent(
-                std::vector<DemuxFilterEvent::Event>& events, std::vector<TunerFilterEvent>& res);
-        void getMonitorEvent(
-                std::vector<DemuxFilterEventExt::Event>& eventsExt,
-                std::vector<TunerFilterEvent>& res);
-        void getRestartEvent(
-                std::vector<DemuxFilterEventExt::Event>& eventsExt,
-                std::vector<TunerFilterEvent>& res);
+        ::ndk::ScopedAStatus onFilterEvent(const vector<DemuxFilterEvent>& events) override;
+        ::ndk::ScopedAStatus onFilterStatus(DemuxFilterStatus status) override;
 
-        std::shared_ptr<ITunerFilterCallback> mTunerFilterCallback;
+    private:
+        shared_ptr<ITunerFilterCallback> mTunerFilterCallback;
     };
 
 private:
-    DemuxFilterAvSettings getAvSettings(const TunerFilterSettings& settings);
-    DemuxFilterSectionSettings getSectionSettings(const TunerFilterSettings& settings);
-    DemuxFilterPesDataSettings getPesDataSettings(const TunerFilterSettings& settings);
-    DemuxFilterRecordSettings getRecordSettings(const TunerFilterSettings& settings);
-    DemuxFilterDownloadSettings getDownloadSettings(const TunerFilterSettings& settings);
-
     bool isAudioFilter();
     bool isVideoFilter();
-    bool getHidlAvStreamType(int avStreamType, AvStreamType& type);
 
-    void getHidlTsSettings(
-        const TunerFilterConfiguration& config, DemuxFilterSettings& settings);
-    void getHidlMmtpSettings(
-        const TunerFilterConfiguration& config, DemuxFilterSettings& settings);
-    void getHidlIpSettings(
-        const TunerFilterConfiguration& config, DemuxFilterSettings& settings);
-    void getHidlTlvSettings(
-        const TunerFilterConfiguration& config, DemuxFilterSettings& settings);
-    void getHidlAlpSettings(
-        const TunerFilterConfiguration& config, DemuxFilterSettings& settings);
-
-    hidl_array<uint8_t, IP_V4_LENGTH> getIpV4Address(TunerDemuxIpAddress addr);
-    hidl_array<uint8_t, IP_V6_LENGTH> getIpV6Address(TunerDemuxIpAddress addr);
-
-    sp<IFilter> mFilter;
-    sp<::android::hardware::tv::tuner::V1_1::IFilter> mFilter_1_1;
+    shared_ptr<IFilter> mFilter;
     int32_t mId;
     int64_t mId64Bit;
-    int mMainType;
-    int mSubType;
+    DemuxFilterType mType;
 };
 
-} // namespace android
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
+}  // namespace android
+}  // namespace aidl
 
 #endif // ANDROID_MEDIA_TUNERFILTER_H
diff --git a/services/tuner/TunerFrontend.cpp b/services/tuner/TunerFrontend.cpp
index 74b5519..e86e8e1 100644
--- a/services/tuner/TunerFrontend.cpp
+++ b/services/tuner/TunerFrontend.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright 2020, The Android Open Source Project
+ * 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.
@@ -14,1081 +14,186 @@
  * limitations under the License.
  */
 
+//#define LOG_NDEBUG 0
 #define LOG_TAG "TunerFrontend"
 
 #include "TunerFrontend.h"
+
+#include <aidl/android/hardware/tv/tuner/Result.h>
+
 #include "TunerLnb.h"
 
-using ::aidl::android::media::tv::tuner::TunerFrontendAtsc3PlpSettings;
-using ::aidl::android::media::tv::tuner::TunerFrontendScanAtsc3PlpInfo;
-using ::aidl::android::media::tv::tuner::TunerFrontendStatusAtsc3PlpInfo;
-using ::aidl::android::media::tv::tuner::TunerFrontendUnionSettings;
-using ::android::hardware::tv::tuner::V1_0::FrontendAnalogSifStandard;
-using ::android::hardware::tv::tuner::V1_0::FrontendAnalogType;
-using ::android::hardware::tv::tuner::V1_0::FrontendAtscModulation;
-using ::android::hardware::tv::tuner::V1_0::FrontendAtsc3Bandwidth;
-using ::android::hardware::tv::tuner::V1_0::FrontendAtsc3CodeRate;
-using ::android::hardware::tv::tuner::V1_0::FrontendAtsc3DemodOutputFormat;
-using ::android::hardware::tv::tuner::V1_0::FrontendAtsc3Fec;
-using ::android::hardware::tv::tuner::V1_0::FrontendAtsc3Modulation;
-using ::android::hardware::tv::tuner::V1_0::FrontendAtsc3TimeInterleaveMode;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbcAnnex;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbcModulation;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbcOuterFec;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbcSpectralInversion;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbsModulation;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbsPilot;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbsRolloff;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbsSettings;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbsStandard;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbsVcmMode;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbtBandwidth;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbtCoderate;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbtConstellation;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbtGuardInterval;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbtHierarchy;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbtPlpMode;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbtSettings;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbtStandard;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbtTransmissionMode;
-using ::android::hardware::tv::tuner::V1_0::FrontendInnerFec;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbs3Coderate;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbs3Modulation;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbs3Rolloff;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbs3Settings;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbsCoderate;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbsModulation;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbsRolloff;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbsSettings;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbsStreamIdType;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbtBandwidth;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbtCoderate;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbtGuardInterval;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbtMode;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbtModulation;
-using ::android::hardware::tv::tuner::V1_0::FrontendIsdbtSettings;
-using ::android::hardware::tv::tuner::V1_0::FrontendModulationStatus;
-using ::android::hardware::tv::tuner::V1_0::FrontendScanAtsc3PlpInfo;
-using ::android::hardware::tv::tuner::V1_0::FrontendScanType;
-using ::android::hardware::tv::tuner::V1_0::FrontendStatusType;
-using ::android::hardware::tv::tuner::V1_0::Result;
-using ::android::hardware::tv::tuner::V1_1::FrontendAnalogAftFlag;
-using ::android::hardware::tv::tuner::V1_1::FrontendBandwidth;
-using ::android::hardware::tv::tuner::V1_1::FrontendCableTimeInterleaveMode;
-using ::android::hardware::tv::tuner::V1_1::FrontendDvbcBandwidth;
-using ::android::hardware::tv::tuner::V1_1::FrontendDtmbBandwidth;
-using ::android::hardware::tv::tuner::V1_1::FrontendDtmbCodeRate;
-using ::android::hardware::tv::tuner::V1_1::FrontendDtmbGuardInterval;
-using ::android::hardware::tv::tuner::V1_1::FrontendDtmbModulation;
-using ::android::hardware::tv::tuner::V1_1::FrontendDtmbTimeInterleaveMode;
-using ::android::hardware::tv::tuner::V1_1::FrontendDtmbTransmissionMode;
-using ::android::hardware::tv::tuner::V1_1::FrontendDvbsScanType;
-using ::android::hardware::tv::tuner::V1_1::FrontendGuardInterval;
-using ::android::hardware::tv::tuner::V1_1::FrontendInterleaveMode;
-using ::android::hardware::tv::tuner::V1_1::FrontendModulation;
-using ::android::hardware::tv::tuner::V1_1::FrontendRollOff;
-using ::android::hardware::tv::tuner::V1_1::FrontendTransmissionMode;
-using ::android::hardware::tv::tuner::V1_1::FrontendSpectralInversion;
-using ::android::hardware::tv::tuner::V1_1::FrontendStatusTypeExt1_1;
+using ::aidl::android::hardware::tv::tuner::Result;
 
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
-TunerFrontend::TunerFrontend(sp<IFrontend> frontend, int id) {
+TunerFrontend::TunerFrontend(shared_ptr<IFrontend> frontend, int id) {
     mFrontend = frontend;
-    mFrontend_1_1 = ::android::hardware::tv::tuner::V1_1::IFrontend::castFrom(mFrontend);
     mId = id;
 }
 
 TunerFrontend::~TunerFrontend() {
-    mFrontend = NULL;
-    mFrontend_1_1 = NULL;
+    mFrontend = nullptr;
     mId = -1;
 }
 
-Status TunerFrontend::setCallback(
+::ndk::ScopedAStatus TunerFrontend::setCallback(
         const shared_ptr<ITunerFrontendCallback>& tunerFrontendCallback) {
-    if (mFrontend == NULL) {
+    if (mFrontend == nullptr) {
         ALOGE("IFrontend is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    if (tunerFrontendCallback == NULL) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::INVALID_ARGUMENT));
+    if (tunerFrontendCallback == nullptr) {
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::INVALID_ARGUMENT));
     }
 
-    sp<IFrontendCallback> frontendCallback = new FrontendCallback(tunerFrontendCallback);
-    Result status = mFrontend->setCallback(frontendCallback);
-    if (status == Result::SUCCESS) {
-        return Status::ok();
-    }
-
-    return Status::fromServiceSpecificError(static_cast<int32_t>(status));
+    shared_ptr<IFrontendCallback> frontendCallback =
+            ::ndk::SharedRefBase::make<FrontendCallback>(tunerFrontendCallback);
+    return mFrontend->setCallback(frontendCallback);
 }
 
-Status TunerFrontend::tune(const TunerFrontendSettings& settings) {
-    if (mFrontend == NULL) {
+::ndk::ScopedAStatus TunerFrontend::tune(const FrontendSettings& settings) {
+    if (mFrontend == nullptr) {
         ALOGE("IFrontend is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status;
-    FrontendSettings frontendSettings = getHidlFrontendSettings(settings);
-    if (settings.isExtended) {
-        if (mFrontend_1_1 == NULL) {
-            ALOGE("IFrontend_1_1 is not initialized");
-            return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
-        }
-        FrontendSettingsExt1_1 frontendSettingsExt = getHidlFrontendSettingsExt(settings);
-        status = mFrontend_1_1->tune_1_1(frontendSettings, frontendSettingsExt);
-    } else {
-        status = mFrontend->tune(frontendSettings);
-    }
-
-    if (status == Result::SUCCESS) {
-        return Status::ok();
-    }
-
-    return Status::fromServiceSpecificError(static_cast<int32_t>(status));
+    return mFrontend->tune(settings);
 }
 
-Status TunerFrontend::stopTune() {
-    if (mFrontend == NULL) {
+::ndk::ScopedAStatus TunerFrontend::stopTune() {
+    if (mFrontend == nullptr) {
         ALOGD("IFrontend is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status = mFrontend->stopTune();
-    if (status == Result::SUCCESS) {
-        return Status::ok();
-    }
-
-    return Status::fromServiceSpecificError(static_cast<int32_t>(status));
+    return mFrontend->stopTune();
 }
 
-Status TunerFrontend::scan(const TunerFrontendSettings& settings, int frontendScanType) {
-    if (mFrontend == NULL) {
+::ndk::ScopedAStatus TunerFrontend::scan(const FrontendSettings& settings,
+                                         FrontendScanType frontendScanType) {
+    if (mFrontend == nullptr) {
         ALOGD("IFrontend is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status;
-    FrontendSettings frontendSettings = getHidlFrontendSettings(settings);
-    if (settings.isExtended) {
-        if (mFrontend_1_1 == NULL) {
-            ALOGE("IFrontend_1_1 is not initialized");
-            return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
-        }
-        FrontendSettingsExt1_1 frontendSettingsExt = getHidlFrontendSettingsExt(settings);
-        status = mFrontend_1_1->scan_1_1(frontendSettings,
-                static_cast<FrontendScanType>(frontendScanType), frontendSettingsExt);
-    } else {
-        status = mFrontend->scan(
-                frontendSettings, static_cast<FrontendScanType>(frontendScanType));
-    }
-
-    if (status == Result::SUCCESS) {
-        return Status::ok();
-    }
-
-    return Status::fromServiceSpecificError(static_cast<int32_t>(status));
+    return mFrontend->scan(settings, frontendScanType);
 }
 
-Status TunerFrontend::stopScan() {
-    if (mFrontend == NULL) {
+::ndk::ScopedAStatus TunerFrontend::stopScan() {
+    if (mFrontend == nullptr) {
         ALOGD("IFrontend is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status = mFrontend->stopScan();
-    if (status == Result::SUCCESS) {
-        return Status::ok();
-    }
-
-    return Status::fromServiceSpecificError(static_cast<int32_t>(status));
+    return mFrontend->stopScan();
 }
 
-Status TunerFrontend::setLnb(const shared_ptr<ITunerLnb>& lnb) {
-    if (mFrontend == NULL) {
+::ndk::ScopedAStatus TunerFrontend::setLnb(const shared_ptr<ITunerLnb>& lnb) {
+    if (mFrontend == nullptr) {
         ALOGD("IFrontend is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status = mFrontend->setLnb(static_cast<TunerLnb*>(lnb.get())->getId());
-    if (status == Result::SUCCESS) {
-        return Status::ok();
+    if (lnb == nullptr) {
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::INVALID_ARGUMENT));
     }
 
-    return Status::fromServiceSpecificError(static_cast<int32_t>(status));
+    return mFrontend->setLnb(static_cast<TunerLnb*>(lnb.get())->getId());
 }
 
-Status TunerFrontend::setLna(bool bEnable) {
-    if (mFrontend == NULL) {
+::ndk::ScopedAStatus TunerFrontend::setLna(bool bEnable) {
+    if (mFrontend == nullptr) {
         ALOGD("IFrontend is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status = mFrontend->setLna(bEnable);
-    if (status == Result::SUCCESS) {
-        return Status::ok();
-    }
-
-    return Status::fromServiceSpecificError(static_cast<int32_t>(status));
+    return mFrontend->setLna(bEnable);
 }
 
-Status TunerFrontend::linkCiCamToFrontend(int ciCamId, int32_t* _aidl_return) {
-    if (mFrontend_1_1 == NULL) {
-        ALOGD("IFrontend_1_1 is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
-    int ltsId;
-    Result status;
-    mFrontend_1_1->linkCiCam(static_cast<uint32_t>(ciCamId),
-            [&](Result r, uint32_t id) {
-                status = r;
-                ltsId = id;
-            });
-
-    if (status == Result::SUCCESS) {
-        *_aidl_return = ltsId;
-        return Status::ok();
-    }
-
-    return Status::fromServiceSpecificError(static_cast<int32_t>(status));
-}
-
-Status TunerFrontend::unlinkCiCamToFrontend(int ciCamId) {
-    if (mFrontend_1_1 == NULL) {
-        ALOGD("IFrontend_1_1 is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
-    Result status = mFrontend_1_1->unlinkCiCam(ciCamId);
-    if (status == Result::SUCCESS) {
-        return Status::ok();
-    }
-
-    return Status::fromServiceSpecificError(static_cast<int32_t>(status));
-}
-
-Status TunerFrontend::close() {
-    if (mFrontend == NULL) {
+::ndk::ScopedAStatus TunerFrontend::linkCiCamToFrontend(int32_t ciCamId, int32_t* _aidl_return) {
+    if (mFrontend == nullptr) {
         ALOGD("IFrontend is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status = mFrontend->close();
-    mFrontend = NULL;
-    mFrontend_1_1 = NULL;
-
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
-    }
-    return Status::ok();
+    return mFrontend->linkCiCam(ciCamId, _aidl_return);
 }
 
-Status TunerFrontend::getStatus(const vector<int32_t>& statusTypes,
-        vector<TunerFrontendStatus>* _aidl_return) {
-    if (mFrontend == NULL) {
+::ndk::ScopedAStatus TunerFrontend::unlinkCiCamToFrontend(int32_t ciCamId) {
+    if (mFrontend == nullptr) {
         ALOGD("IFrontend is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res;
-    vector<FrontendStatus> status;
-    vector<FrontendStatusType> types;
-    for (auto s : statusTypes) {
-        types.push_back(static_cast<FrontendStatusType>(s));
-    }
-
-    mFrontend->getStatus(types, [&](Result r, const hidl_vec<FrontendStatus>& s) {
-        res = r;
-        status = s;
-    });
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-
-    getAidlFrontendStatus(status, *_aidl_return);
-    return Status::ok();
+    return mFrontend->unlinkCiCam(ciCamId);
 }
 
-Status TunerFrontend::getStatusExtended_1_1(const vector<int32_t>& statusTypes,
-        vector<TunerFrontendStatus>* _aidl_return) {
-    if (mFrontend_1_1 == NULL) {
-        ALOGD("IFrontend_1_1 is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+::ndk::ScopedAStatus TunerFrontend::close() {
+    if (mFrontend == nullptr) {
+        ALOGD("IFrontend is not initialized");
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res;
-    vector<FrontendStatusExt1_1> status;
-    vector<FrontendStatusTypeExt1_1> types;
-    for (auto s : statusTypes) {
-        types.push_back(static_cast<FrontendStatusTypeExt1_1>(s));
-    }
+    auto res = mFrontend->close();
+    mFrontend = nullptr;
 
-    mFrontend_1_1->getStatusExt1_1(types, [&](Result r, const hidl_vec<FrontendStatusExt1_1>& s) {
-        res = r;
-        status = s;
-    });
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-
-    getAidlFrontendStatusExt(status, *_aidl_return);
-    return Status::ok();
+    return res;
 }
 
-Status TunerFrontend::getFrontendId(int* _aidl_return) {
+::ndk::ScopedAStatus TunerFrontend::getStatus(const vector<FrontendStatusType>& in_statusTypes,
+                                              vector<FrontendStatus>* _aidl_return) {
+    if (mFrontend == nullptr) {
+        ALOGD("IFrontend is not initialized");
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
+    }
+
+    return mFrontend->getStatus(in_statusTypes, _aidl_return);
+}
+
+::ndk::ScopedAStatus TunerFrontend::getFrontendId(int32_t* _aidl_return) {
     *_aidl_return = mId;
-    return Status::ok();
+    return ::ndk::ScopedAStatus::ok();
 }
 
 /////////////// FrontendCallback ///////////////////////
-
-Return<void> TunerFrontend::FrontendCallback::onEvent(FrontendEventType frontendEventType) {
-    ALOGD("FrontendCallback::onEvent, type=%d", frontendEventType);
-    mTunerFrontendCallback->onEvent((int)frontendEventType);
-    return Void();
+::ndk::ScopedAStatus TunerFrontend::FrontendCallback::onEvent(FrontendEventType frontendEventType) {
+    ALOGV("FrontendCallback::onEvent, type=%d", frontendEventType);
+    if (mTunerFrontendCallback != nullptr) {
+        mTunerFrontendCallback->onEvent(frontendEventType);
+    }
+    return ndk::ScopedAStatus::ok();
 }
 
-Return<void> TunerFrontend::FrontendCallback::onScanMessage(
+::ndk::ScopedAStatus TunerFrontend::FrontendCallback::onScanMessage(
         FrontendScanMessageType type, const FrontendScanMessage& message) {
-    ALOGD("FrontendCallback::onScanMessage, type=%d", type);
-    TunerFrontendScanMessage scanMessage;
-    switch(type) {
-        case FrontendScanMessageType::LOCKED: {
-            scanMessage.set<TunerFrontendScanMessage::isLocked>(message.isLocked());
-            break;
-        }
-        case FrontendScanMessageType::END: {
-            scanMessage.set<TunerFrontendScanMessage::isEnd>(message.isEnd());
-            break;
-        }
-        case FrontendScanMessageType::PROGRESS_PERCENT: {
-            scanMessage.set<TunerFrontendScanMessage::progressPercent>(message.progressPercent());
-            break;
-        }
-        case FrontendScanMessageType::FREQUENCY: {
-            auto f = message.frequencies();
-            vector<int> frequencies(begin(f), end(f));
-            scanMessage.set<TunerFrontendScanMessage::frequencies>(frequencies);
-            break;
-        }
-        case FrontendScanMessageType::SYMBOL_RATE: {
-            auto s = message.symbolRates();
-            vector<int> symbolRates(begin(s), end(s));
-            scanMessage.set<TunerFrontendScanMessage::symbolRates>(symbolRates);
-            break;
-        }
-        case FrontendScanMessageType::HIERARCHY: {
-            scanMessage.set<TunerFrontendScanMessage::hierarchy>((int)message.hierarchy());
-            break;
-        }
-        case FrontendScanMessageType::ANALOG_TYPE: {
-            scanMessage.set<TunerFrontendScanMessage::analogType>((int)message.analogType());
-            break;
-        }
-        case FrontendScanMessageType::PLP_IDS: {
-            auto p = message.plpIds();
-            vector<uint8_t> plpIds(begin(p), end(p));
-            scanMessage.set<TunerFrontendScanMessage::plpIds>(plpIds);
-            break;
-        }
-        case FrontendScanMessageType::GROUP_IDS: {
-            auto g = message.groupIds();
-            vector<uint8_t> groupIds(begin(g), end(g));
-            scanMessage.set<TunerFrontendScanMessage::groupIds>(groupIds);
-            break;
-        }
-        case FrontendScanMessageType::INPUT_STREAM_IDS: {
-            auto i = message.inputStreamIds();
-            vector<char16_t> streamIds(begin(i), end(i));
-            scanMessage.set<TunerFrontendScanMessage::inputStreamIds>(streamIds);
-            break;
-        }
-        case FrontendScanMessageType::STANDARD: {
-            FrontendScanMessage::Standard std = message.std();
-            int standard;
-            if (std.getDiscriminator() == FrontendScanMessage::Standard::hidl_discriminator::sStd) {
-                standard = (int) std.sStd();
-            } else if (std.getDiscriminator() ==
-                    FrontendScanMessage::Standard::hidl_discriminator::tStd) {
-                standard = (int) std.tStd();
-            } else if (std.getDiscriminator() ==
-                    FrontendScanMessage::Standard::hidl_discriminator::sifStd) {
-                standard = (int) std.sifStd();
-            }
-            scanMessage.set<TunerFrontendScanMessage::std>(standard);
-            break;
-        }
-        case FrontendScanMessageType::ATSC3_PLP_INFO: {
-            vector<FrontendScanAtsc3PlpInfo> plpInfos = message.atsc3PlpInfos();
-            vector<TunerFrontendScanAtsc3PlpInfo> tunerPlpInfos;
-            for (int i = 0; i < plpInfos.size(); i++) {
-                auto info = plpInfos[i];
-                int8_t plpId = (int8_t) info.plpId;
-                bool lls = (bool) info.bLlsFlag;
-                TunerFrontendScanAtsc3PlpInfo plpInfo{
-                    .plpId = plpId,
-                    .llsFlag = lls,
-                };
-                tunerPlpInfos.push_back(plpInfo);
-            }
-            scanMessage.set<TunerFrontendScanMessage::atsc3PlpInfos>(tunerPlpInfos);
-            break;
-        }
-        default:
-            break;
+    ALOGV("FrontendCallback::onScanMessage, type=%d", type);
+    if (mTunerFrontendCallback != nullptr) {
+        mTunerFrontendCallback->onScanMessage(type, message);
     }
-    mTunerFrontendCallback->onScanMessage((int)type, scanMessage);
-    return Void();
+    return ndk::ScopedAStatus::ok();
 }
 
-Return<void> TunerFrontend::FrontendCallback::onScanMessageExt1_1(
-        FrontendScanMessageTypeExt1_1 type, const FrontendScanMessageExt1_1& message) {
-    ALOGD("onScanMessageExt1_1::onScanMessage, type=%d", type);
-    TunerFrontendScanMessage scanMessage;
-    switch(type) {
-        case FrontendScanMessageTypeExt1_1::MODULATION: {
-            FrontendModulation m = message.modulation();
-            int modulation;
-            switch (m.getDiscriminator()) {
-                case FrontendModulation::hidl_discriminator::dvbc:
-                    modulation = (int) m.dvbc();
-                    break;
-                case FrontendModulation::hidl_discriminator::dvbt:
-                    modulation = (int) m.dvbt();
-                    break;
-                case FrontendModulation::hidl_discriminator::dvbs:
-                    modulation = (int) m.dvbs();
-                    break;
-                case FrontendModulation::hidl_discriminator::isdbs:
-                    modulation = (int) m.isdbs();
-                    break;
-                case FrontendModulation::hidl_discriminator::isdbs3:
-                    modulation = (int) m.isdbs3();
-                    break;
-                case FrontendModulation::hidl_discriminator::isdbt:
-                    modulation = (int) m.isdbt();
-                    break;
-                case FrontendModulation::hidl_discriminator::atsc:
-                    modulation = (int) m.atsc();
-                    break;
-                case FrontendModulation::hidl_discriminator::atsc3:
-                    modulation = (int) m.atsc3();
-                    break;
-                case FrontendModulation::hidl_discriminator::dtmb:
-                    modulation = (int) m.dtmb();
-                    break;
-            }
-            scanMessage.set<TunerFrontendScanMessage::modulation>(modulation);
-            break;
-        }
-        case FrontendScanMessageTypeExt1_1::DVBC_ANNEX: {
-            scanMessage.set<TunerFrontendScanMessage::annex>((int)message.annex());
-            break;
-        }
-        case FrontendScanMessageTypeExt1_1::HIGH_PRIORITY: {
-            scanMessage.set<TunerFrontendScanMessage::isHighPriority>(message.isHighPriority());
-            break;
-        }
-        default:
-            break;
-    }
-    mTunerFrontendCallback->onScanMessage((int)type, scanMessage);
-    return Void();
-}
-
-/////////////// TunerFrontend Helper Methods ///////////////////////
-
-void TunerFrontend::getAidlFrontendStatus(
-        vector<FrontendStatus>& hidlStatus, vector<TunerFrontendStatus>& aidlStatus) {
-    for (FrontendStatus s : hidlStatus) {
-        TunerFrontendStatus status;
-        switch (s.getDiscriminator()) {
-            case FrontendStatus::hidl_discriminator::isDemodLocked: {
-                status.set<TunerFrontendStatus::isDemodLocked>(s.isDemodLocked());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::snr: {
-                status.set<TunerFrontendStatus::snr>((int)s.snr());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::ber: {
-                status.set<TunerFrontendStatus::ber>((int)s.ber());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::per: {
-                status.set<TunerFrontendStatus::per>((int)s.per());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::preBer: {
-                status.set<TunerFrontendStatus::preBer>((int)s.preBer());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::signalQuality: {
-                status.set<TunerFrontendStatus::signalQuality>((int)s.signalQuality());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::signalStrength: {
-                status.set<TunerFrontendStatus::signalStrength>((int)s.signalStrength());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::symbolRate: {
-                status.set<TunerFrontendStatus::symbolRate>((int)s.symbolRate());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::innerFec: {
-                status.set<TunerFrontendStatus::innerFec>((long)s.innerFec());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::modulation: {
-                switch (s.modulation().getDiscriminator()) {
-                    case FrontendModulationStatus::hidl_discriminator::dvbc:
-                        status.set<TunerFrontendStatus::modulation>((int)s.modulation().dvbc());
-                        aidlStatus.push_back(status);
-                        break;
-                    case FrontendModulationStatus::hidl_discriminator::dvbs:
-                        status.set<TunerFrontendStatus::modulation>((int)s.modulation().dvbs());
-                        aidlStatus.push_back(status);
-                        break;
-                    case FrontendModulationStatus::hidl_discriminator::isdbs:
-                        status.set<TunerFrontendStatus::modulation>((int)s.modulation().isdbs());
-                        aidlStatus.push_back(status);
-                        break;
-                    case FrontendModulationStatus::hidl_discriminator::isdbs3:
-                        status.set<TunerFrontendStatus::modulation>((int)s.modulation().isdbs3());
-                        aidlStatus.push_back(status);
-                        break;
-                    case FrontendModulationStatus::hidl_discriminator::isdbt:
-                        status.set<TunerFrontendStatus::modulation>((int)s.modulation().isdbt());
-                        aidlStatus.push_back(status);
-                        break;
-                }
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::inversion: {
-                status.set<TunerFrontendStatus::inversion>((int)s.inversion());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::lnbVoltage: {
-                status.set<TunerFrontendStatus::lnbVoltage>((int)s.lnbVoltage());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::plpId: {
-                status.set<TunerFrontendStatus::plpId>((int8_t)s.plpId());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::isEWBS: {
-                status.set<TunerFrontendStatus::isEWBS>(s.isEWBS());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::agc: {
-                status.set<TunerFrontendStatus::agc>((int8_t)s.agc());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::isLnaOn: {
-                status.set<TunerFrontendStatus::isLnaOn>(s.isLnaOn());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::isLayerError: {
-                vector<bool> e(s.isLayerError().begin(), s.isLayerError().end());
-                status.set<TunerFrontendStatus::isLayerError>(e);
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::mer: {
-                status.set<TunerFrontendStatus::mer>((int)s.mer());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::freqOffset: {
-                status.set<TunerFrontendStatus::freqOffset>((int)s.freqOffset());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::hierarchy: {
-                status.set<TunerFrontendStatus::hierarchy>((int)s.hierarchy());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::isRfLocked: {
-                status.set<TunerFrontendStatus::isRfLocked>(s.isRfLocked());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatus::hidl_discriminator::plpInfo: {
-                vector<TunerFrontendStatusAtsc3PlpInfo> info;
-                for (auto i : s.plpInfo()) {
-                    info.push_back({
-                        .plpId = (int8_t)i.plpId,
-                        .isLocked = i.isLocked,
-                        .uec = (int)i.uec,
-                    });
-                }
-                status.set<TunerFrontendStatus::plpInfo>(info);
-                aidlStatus.push_back(status);
-                break;
-            }
-        }
-    }
-}
-
-void TunerFrontend::getAidlFrontendStatusExt(
-        vector<FrontendStatusExt1_1>& hidlStatus, vector<TunerFrontendStatus>& aidlStatus) {
-    for (FrontendStatusExt1_1 s : hidlStatus) {
-        TunerFrontendStatus status;
-        switch (s.getDiscriminator()) {
-            case FrontendStatusExt1_1::hidl_discriminator::modulations: {
-                vector<int> aidlMod;
-                for (auto m : s.modulations()) {
-                    switch (m.getDiscriminator()) {
-                        case FrontendModulation::hidl_discriminator::dvbc:
-                            aidlMod.push_back((int)m.dvbc());
-                            break;
-                        case FrontendModulation::hidl_discriminator::dvbs:
-                            aidlMod.push_back((int)m.dvbs());
-                            break;
-                        case FrontendModulation::hidl_discriminator::dvbt:
-                            aidlMod.push_back((int)m.dvbt());
-                            break;
-                        case FrontendModulation::hidl_discriminator::isdbs:
-                            aidlMod.push_back((int)m.isdbs());
-                            break;
-                        case FrontendModulation::hidl_discriminator::isdbs3:
-                            aidlMod.push_back((int)m.isdbs3());
-                            break;
-                        case FrontendModulation::hidl_discriminator::isdbt:
-                            aidlMod.push_back((int)m.isdbt());
-                            break;
-                        case FrontendModulation::hidl_discriminator::atsc:
-                            aidlMod.push_back((int)m.atsc());
-                            break;
-                        case FrontendModulation::hidl_discriminator::atsc3:
-                            aidlMod.push_back((int)m.atsc3());
-                            break;
-                        case FrontendModulation::hidl_discriminator::dtmb:
-                            aidlMod.push_back((int)m.dtmb());
-                            break;
-                    }
-                }
-                status.set<TunerFrontendStatus::modulations>(aidlMod);
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::bers: {
-                vector<int> b(s.bers().begin(), s.bers().end());
-                status.set<TunerFrontendStatus::bers>(b);
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::codeRates: {
-                vector<int64_t> codeRates;
-                for (auto c : s.codeRates()) {
-                    codeRates.push_back((long)c);
-                }
-                status.set<TunerFrontendStatus::codeRates>(codeRates);
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::bandwidth: {
-                switch (s.bandwidth().getDiscriminator()) {
-                    case FrontendBandwidth::hidl_discriminator::atsc3:
-                        status.set<TunerFrontendStatus::bandwidth>((int)s.bandwidth().atsc3());
-                        break;
-                    case FrontendBandwidth::hidl_discriminator::dvbc:
-                        status.set<TunerFrontendStatus::bandwidth>((int)s.bandwidth().dvbc());
-                        break;
-                    case FrontendBandwidth::hidl_discriminator::dvbt:
-                        status.set<TunerFrontendStatus::bandwidth>((int)s.bandwidth().dvbt());
-                        break;
-                    case FrontendBandwidth::hidl_discriminator::isdbt:
-                        status.set<TunerFrontendStatus::bandwidth>((int)s.bandwidth().isdbt());
-                        break;
-                    case FrontendBandwidth::hidl_discriminator::dtmb:
-                        status.set<TunerFrontendStatus::bandwidth>((int)s.bandwidth().dtmb());
-                        break;
-                }
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::interval: {
-                switch (s.interval().getDiscriminator()) {
-                    case FrontendGuardInterval::hidl_discriminator::dvbt:
-                        status.set<TunerFrontendStatus::interval>((int)s.interval().dvbt());
-                        break;
-                    case FrontendGuardInterval::hidl_discriminator::isdbt:
-                        status.set<TunerFrontendStatus::interval>((int)s.interval().isdbt());
-                        break;
-                    case FrontendGuardInterval::hidl_discriminator::dtmb:
-                        status.set<TunerFrontendStatus::interval>((int)s.interval().dtmb());
-                        break;
-                }
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::transmissionMode: {
-                switch (s.transmissionMode().getDiscriminator()) {
-                    case FrontendTransmissionMode::hidl_discriminator::dvbt:
-                        status.set<TunerFrontendStatus::transmissionMode>(
-                                (int)s.transmissionMode().dvbt());
-                        break;
-                    case FrontendTransmissionMode::hidl_discriminator::isdbt:
-                        status.set<TunerFrontendStatus::transmissionMode>(
-                                (int)s.transmissionMode().isdbt());
-                        break;
-                    case FrontendTransmissionMode::hidl_discriminator::dtmb:
-                        status.set<TunerFrontendStatus::transmissionMode>(
-                                (int)s.transmissionMode().dtmb());
-                        break;
-                }
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::uec: {
-                status.set<TunerFrontendStatus::uec>((int)s.uec());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::systemId: {
-                status.set<TunerFrontendStatus::systemId>((char16_t)s.systemId());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::interleaving: {
-                vector<int> aidlInter;
-                for (auto i : s.interleaving()) {
-                    switch (i.getDiscriminator()) {
-                        case FrontendInterleaveMode::hidl_discriminator::atsc3:
-                            aidlInter.push_back((int)i.atsc3());
-                            break;
-                        case FrontendInterleaveMode::hidl_discriminator::dvbc:
-                            aidlInter.push_back((int)i.dvbc());
-                            break;
-                        case FrontendInterleaveMode::hidl_discriminator::dtmb:
-                            aidlInter.push_back((int)i.dtmb());
-                            break;
-                    }
-                }
-                status.set<TunerFrontendStatus::interleaving>(aidlInter);
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::isdbtSegment: {
-                auto seg = s.isdbtSegment();
-                vector<uint8_t> i(seg.begin(), seg.end());
-                status.set<TunerFrontendStatus::isdbtSegment>(i);
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::tsDataRate: {
-                vector<int> ts(s.tsDataRate().begin(), s.tsDataRate().end());
-                status.set<TunerFrontendStatus::tsDataRate>(ts);
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::rollOff: {
-                switch (s.rollOff().getDiscriminator()) {
-                    case FrontendRollOff::hidl_discriminator::dvbs:
-                        status.set<TunerFrontendStatus::rollOff>((int)s.rollOff().dvbs());
-                        break;
-                    case FrontendRollOff::hidl_discriminator::isdbs:
-                        status.set<TunerFrontendStatus::rollOff>((int)s.rollOff().isdbs());
-                        break;
-                    case FrontendRollOff::hidl_discriminator::isdbs3:
-                        status.set<TunerFrontendStatus::rollOff>((int)s.rollOff().isdbs3());
-                        break;
-                }
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::isMiso: {
-                status.set<TunerFrontendStatus::isMiso>(s.isMiso());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::isLinear: {
-                status.set<TunerFrontendStatus::isLinear>(s.isLinear());
-                aidlStatus.push_back(status);
-                break;
-            }
-            case FrontendStatusExt1_1::hidl_discriminator::isShortFrames: {
-                status.set<TunerFrontendStatus::isShortFrames>(s.isShortFrames());
-                aidlStatus.push_back(status);
-                break;
-            }
-        }
-    }
-}
-
-hidl_vec<FrontendAtsc3PlpSettings> TunerFrontend::getAtsc3PlpSettings(
-        const TunerFrontendAtsc3Settings& settings) {
-    int len = settings.plpSettings.size();
-    hidl_vec<FrontendAtsc3PlpSettings> plps = hidl_vec<FrontendAtsc3PlpSettings>(len);
-    // parse PLP settings
-    for (int i = 0; i < len; i++) {
-        uint8_t plpId = static_cast<uint8_t>(settings.plpSettings[i].plpId);
-        FrontendAtsc3Modulation modulation =
-                static_cast<FrontendAtsc3Modulation>(settings.plpSettings[i].modulation);
-        FrontendAtsc3TimeInterleaveMode interleaveMode =
-                static_cast<FrontendAtsc3TimeInterleaveMode>(
-                        settings.plpSettings[i].interleaveMode);
-        FrontendAtsc3CodeRate codeRate =
-                static_cast<FrontendAtsc3CodeRate>(settings.plpSettings[i].codeRate);
-        FrontendAtsc3Fec fec =
-                static_cast<FrontendAtsc3Fec>(settings.plpSettings[i].fec);
-        FrontendAtsc3PlpSettings frontendAtsc3PlpSettings {
-                .plpId = plpId,
-                .modulation = modulation,
-                .interleaveMode = interleaveMode,
-                .codeRate = codeRate,
-                .fec = fec,
-        };
-        plps[i] = frontendAtsc3PlpSettings;
-    }
-    return plps;
-}
-
-FrontendDvbsCodeRate TunerFrontend::getDvbsCodeRate(const TunerFrontendDvbsCodeRate& codeRate) {
-    FrontendInnerFec innerFec = static_cast<FrontendInnerFec>(codeRate.fec);
-    bool isLinear = codeRate.isLinear;
-    bool isShortFrames = codeRate.isShortFrames;
-    uint32_t bitsPer1000Symbol = static_cast<uint32_t>(codeRate.bitsPer1000Symbol);
-    FrontendDvbsCodeRate coderate {
-            .fec = innerFec,
-            .isLinear = isLinear,
-            .isShortFrames = isShortFrames,
-            .bitsPer1000Symbol = bitsPer1000Symbol,
-    };
-    return coderate;
-}
-
-FrontendSettings TunerFrontend::getHidlFrontendSettings(const TunerFrontendSettings& aidlSettings) {
-    auto settings = aidlSettings.settings;
-    FrontendSettings frontendSettings;
-
-    switch (settings.getTag()) {
-        case TunerFrontendUnionSettings::analog: {
-            auto analog = settings.get<TunerFrontendUnionSettings::analog>();
-            frontendSettings.analog({
-                .frequency = static_cast<uint32_t>(analog.frequency),
-                .type = static_cast<FrontendAnalogType>(analog.signalType),
-                .sifStandard = static_cast<FrontendAnalogSifStandard>(analog.sifStandard),
-            });
-            break;
-        }
-        case TunerFrontendUnionSettings::atsc: {
-            auto atsc = settings.get<TunerFrontendUnionSettings::atsc>();
-            frontendSettings.atsc({
-                .frequency = static_cast<uint32_t>(atsc.frequency),
-                .modulation = static_cast<FrontendAtscModulation>(atsc.modulation),
-            });
-            break;
-        }
-        case TunerFrontendUnionSettings::atsc3: {
-            auto atsc3 = settings.get<TunerFrontendUnionSettings::atsc3>();
-            frontendSettings.atsc3({
-                .frequency = static_cast<uint32_t>(atsc3.frequency),
-                .bandwidth = static_cast<FrontendAtsc3Bandwidth>(atsc3.bandwidth),
-                .demodOutputFormat = static_cast<FrontendAtsc3DemodOutputFormat>(
-                        atsc3.demodOutputFormat),
-                .plpSettings = getAtsc3PlpSettings(atsc3),
-            });
-            break;
-        }
-        case TunerFrontendUnionSettings::cable: {
-            auto dvbc = settings.get<TunerFrontendUnionSettings::cable>();
-            frontendSettings.dvbc({
-                .frequency = static_cast<uint32_t>(dvbc.frequency),
-                .modulation = static_cast<FrontendDvbcModulation>(dvbc.modulation),
-                .fec = static_cast<FrontendInnerFec>(dvbc.innerFec),
-                .symbolRate = static_cast<uint32_t>(dvbc.symbolRate),
-                .outerFec = static_cast<FrontendDvbcOuterFec>(dvbc.outerFec),
-                .annex = static_cast<FrontendDvbcAnnex>(dvbc.annex),
-                .spectralInversion = static_cast<FrontendDvbcSpectralInversion>(
-                        dvbc.spectralInversion),
-            });
-            break;
-        }
-        case TunerFrontendUnionSettings::dvbs: {
-            auto dvbs = settings.get<TunerFrontendUnionSettings::dvbs>();
-            frontendSettings.dvbs({
-                .frequency = static_cast<uint32_t>(dvbs.frequency),
-                .modulation = static_cast<FrontendDvbsModulation>(dvbs.modulation),
-                .coderate = getDvbsCodeRate(dvbs.codeRate),
-                .symbolRate = static_cast<uint32_t>(dvbs.symbolRate),
-                .rolloff = static_cast<FrontendDvbsRolloff>(dvbs.rolloff),
-                .pilot = static_cast<FrontendDvbsPilot>(dvbs.pilot),
-                .inputStreamId = static_cast<uint32_t>(dvbs.inputStreamId),
-                .standard = static_cast<FrontendDvbsStandard>(dvbs.standard),
-                .vcmMode = static_cast<FrontendDvbsVcmMode>(dvbs.vcm),
-            });
-            break;
-        }
-        case TunerFrontendUnionSettings::dvbt: {
-            auto dvbt = settings.get<TunerFrontendUnionSettings::dvbt>();
-            frontendSettings.dvbt({
-                .frequency = static_cast<uint32_t>(dvbt.frequency),
-                .transmissionMode = static_cast<FrontendDvbtTransmissionMode>(
-                        dvbt.transmissionMode),
-                .bandwidth = static_cast<FrontendDvbtBandwidth>(dvbt.bandwidth),
-                .constellation = static_cast<FrontendDvbtConstellation>(dvbt.constellation),
-                .hierarchy = static_cast<FrontendDvbtHierarchy>(dvbt.hierarchy),
-                .hpCoderate = static_cast<FrontendDvbtCoderate>(dvbt.hpCodeRate),
-                .lpCoderate = static_cast<FrontendDvbtCoderate>(dvbt.lpCodeRate),
-                .guardInterval = static_cast<FrontendDvbtGuardInterval>(dvbt.guardInterval),
-                .isHighPriority = dvbt.isHighPriority,
-                .standard = static_cast<FrontendDvbtStandard>(dvbt.standard),
-                .isMiso = dvbt.isMiso,
-                .plpMode = static_cast<FrontendDvbtPlpMode>(dvbt.plpMode),
-                .plpId = static_cast<uint8_t>(dvbt.plpId),
-                .plpGroupId = static_cast<uint8_t>(dvbt.plpGroupId),
-            });
-            break;
-        }
-        case TunerFrontendUnionSettings::isdbs: {
-            auto isdbs = settings.get<TunerFrontendUnionSettings::isdbs>();
-            frontendSettings.isdbs({
-                .frequency = static_cast<uint32_t>(isdbs.frequency),
-                .streamId = static_cast<uint16_t>(isdbs.streamId),
-                .streamIdType = static_cast<FrontendIsdbsStreamIdType>(isdbs.streamIdType),
-                .modulation = static_cast<FrontendIsdbsModulation>(isdbs.modulation),
-                .coderate = static_cast<FrontendIsdbsCoderate>(isdbs.codeRate),
-                .symbolRate = static_cast<uint32_t>(isdbs.symbolRate),
-                .rolloff = static_cast<FrontendIsdbsRolloff>(isdbs.rolloff),
-            });
-            break;
-        }
-        case TunerFrontendUnionSettings::isdbs3: {
-            auto isdbs3 = settings.get<TunerFrontendUnionSettings::isdbs3>();
-            frontendSettings.isdbs3({
-                .frequency = static_cast<uint32_t>(isdbs3.frequency),
-                .streamId = static_cast<uint16_t>(isdbs3.streamId),
-                .streamIdType = static_cast<FrontendIsdbsStreamIdType>(isdbs3.streamIdType),
-                .modulation = static_cast<FrontendIsdbs3Modulation>(isdbs3.modulation),
-                .coderate = static_cast<FrontendIsdbs3Coderate>(isdbs3.codeRate),
-                .symbolRate = static_cast<uint32_t>(isdbs3.symbolRate),
-                .rolloff = static_cast<FrontendIsdbs3Rolloff>(isdbs3.rolloff),
-            });
-            break;
-        }
-        case TunerFrontendUnionSettings::isdbt: {
-            auto isdbt = settings.get<TunerFrontendUnionSettings::isdbt>();
-            frontendSettings.isdbt({
-                .frequency = static_cast<uint32_t>(isdbt.frequency),
-                .modulation = static_cast<FrontendIsdbtModulation>(isdbt.modulation),
-                .bandwidth = static_cast<FrontendIsdbtBandwidth>(isdbt.bandwidth),
-                .mode = static_cast<FrontendIsdbtMode>(isdbt.mode),
-                .coderate = static_cast<FrontendIsdbtCoderate>(isdbt.codeRate),
-                .guardInterval = static_cast<FrontendIsdbtGuardInterval>(isdbt.guardInterval),
-                .serviceAreaId = static_cast<uint32_t>(isdbt.serviceAreaId),
-            });
-            break;
-        }
-        default:
-            break;
-    }
-
-    return frontendSettings;
-}
-
-FrontendSettingsExt1_1 TunerFrontend::getHidlFrontendSettingsExt(
-        const TunerFrontendSettings& aidlSettings) {
-    FrontendSettingsExt1_1 frontendSettingsExt{
-        .endFrequency = static_cast<uint32_t>(aidlSettings.endFrequency),
-        .inversion = static_cast<FrontendSpectralInversion>(aidlSettings.inversion),
-    };
-
-    auto settings = aidlSettings.settings;
-    switch (settings.getTag()) {
-        case TunerFrontendUnionSettings::analog: {
-            auto analog = settings.get<TunerFrontendUnionSettings::analog>();
-            if (analog.isExtended) {
-                frontendSettingsExt.settingExt.analog({
-                    .aftFlag = static_cast<FrontendAnalogAftFlag>(analog.aftFlag),
-                });
-            } else {
-                frontendSettingsExt.settingExt.noinit();
-            }
-            break;
-        }
-        case TunerFrontendUnionSettings::cable: {
-            auto dvbc = settings.get<TunerFrontendUnionSettings::cable>();
-            if (dvbc.isExtended) {
-                frontendSettingsExt.settingExt.dvbc({
-                    .interleaveMode = static_cast<FrontendCableTimeInterleaveMode>(
-                            dvbc.interleaveMode),
-                    .bandwidth = static_cast<FrontendDvbcBandwidth>(
-                            dvbc.bandwidth),
-                });
-            } else {
-                frontendSettingsExt.settingExt.noinit();
-            }
-            break;
-        }
-        case TunerFrontendUnionSettings::dvbs: {
-            auto dvbs = settings.get<TunerFrontendUnionSettings::dvbs>();
-            if (dvbs.isExtended) {
-                frontendSettingsExt.settingExt.dvbs({
-                    .scanType = static_cast<FrontendDvbsScanType>(dvbs.scanType),
-                    .isDiseqcRxMessage = dvbs.isDiseqcRxMessage,
-                });
-            } else {
-                frontendSettingsExt.settingExt.noinit();
-            }
-            break;
-        }
-        case TunerFrontendUnionSettings::dvbt: {
-            auto dvbt = settings.get<TunerFrontendUnionSettings::dvbt>();
-            if (dvbt.isExtended) {
-                frontendSettingsExt.settingExt.dvbt({
-                    .constellation =
-                            static_cast<hardware::tv::tuner::V1_1::FrontendDvbtConstellation>(
-                                    dvbt.constellation),
-                    .transmissionMode =
-                            static_cast<hardware::tv::tuner::V1_1::FrontendDvbtTransmissionMode>(
-                                    dvbt.transmissionMode),
-                });
-            } else {
-                frontendSettingsExt.settingExt.noinit();
-            }
-            break;
-        }
-        case TunerFrontendUnionSettings::dtmb: {
-            auto dtmb = settings.get<TunerFrontendUnionSettings::dtmb>();
-            frontendSettingsExt.settingExt.dtmb({
-                .frequency = static_cast<uint32_t>(dtmb.frequency),
-                .transmissionMode = static_cast<FrontendDtmbTransmissionMode>(
-                        dtmb.transmissionMode),
-                .bandwidth = static_cast<FrontendDtmbBandwidth>(dtmb.bandwidth),
-                .modulation = static_cast<FrontendDtmbModulation>(dtmb.modulation),
-                .codeRate = static_cast<FrontendDtmbCodeRate>(dtmb.codeRate),
-                .guardInterval = static_cast<FrontendDtmbGuardInterval>(dtmb.guardInterval),
-                .interleaveMode = static_cast<FrontendDtmbTimeInterleaveMode>(dtmb.interleaveMode),
-            });
-            break;
-        }
-        default:
-            frontendSettingsExt.settingExt.noinit();
-            break;
-    }
-
-    return frontendSettingsExt;
-}
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
 }  // namespace android
+}  // namespace aidl
diff --git a/services/tuner/TunerFrontend.h b/services/tuner/TunerFrontend.h
index 22fd509..4106941 100644
--- a/services/tuner/TunerFrontend.h
+++ b/services/tuner/TunerFrontend.h
@@ -1,5 +1,5 @@
 /**
- * Copyright 2020, The Android Open Source Project
+ * 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.
@@ -17,95 +17,74 @@
 #ifndef ANDROID_MEDIA_TUNERFRONTEND_H
 #define ANDROID_MEDIA_TUNERFRONTEND_H
 
+#include <aidl/android/hardware/tv/tuner/BnFrontendCallback.h>
+#include <aidl/android/hardware/tv/tuner/IFrontend.h>
+#include <aidl/android/hardware/tv/tuner/IFrontendCallback.h>
 #include <aidl/android/media/tv/tuner/BnTunerFrontend.h>
-#include <android/hardware/tv/tuner/1.0/ITuner.h>
-#include <android/hardware/tv/tuner/1.1/IFrontend.h>
-#include <android/hardware/tv/tuner/1.1/IFrontendCallback.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <utils/Log.h>
 
-using Status = ::ndk::ScopedAStatus;
-using ::aidl::android::media::tv::tuner::BnTunerFrontend;
-using ::aidl::android::media::tv::tuner::ITunerFrontendCallback;
-using ::aidl::android::media::tv::tuner::ITunerLnb;
-using ::aidl::android::media::tv::tuner::TunerFrontendAtsc3Settings;
-using ::aidl::android::media::tv::tuner::TunerFrontendDvbsCodeRate;
-using ::aidl::android::media::tv::tuner::TunerFrontendScanMessage;
-using ::aidl::android::media::tv::tuner::TunerFrontendSettings;
-using ::aidl::android::media::tv::tuner::TunerFrontendStatus;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::hardware::hidl_vec;
-using ::android::hardware::tv::tuner::V1_0::FrontendAtsc3PlpSettings;
-using ::android::hardware::tv::tuner::V1_0::FrontendDvbsCodeRate;
-using ::android::hardware::tv::tuner::V1_0::FrontendEventType;
-using ::android::hardware::tv::tuner::V1_0::FrontendId;
-using ::android::hardware::tv::tuner::V1_0::FrontendScanMessage;
-using ::android::hardware::tv::tuner::V1_0::FrontendScanMessageType;
-using ::android::hardware::tv::tuner::V1_0::FrontendSettings;
-using ::android::hardware::tv::tuner::V1_0::FrontendStatus;
-using ::android::hardware::tv::tuner::V1_0::IFrontend;
-using ::android::hardware::tv::tuner::V1_1::IFrontendCallback;
-using ::android::hardware::tv::tuner::V1_1::FrontendScanMessageExt1_1;
-using ::android::hardware::tv::tuner::V1_1::FrontendScanMessageTypeExt1_1;
-using ::android::hardware::tv::tuner::V1_1::FrontendSettingsExt1_1;
-using ::android::hardware::tv::tuner::V1_1::FrontendStatusExt1_1;
+using ::aidl::android::hardware::tv::tuner::BnFrontendCallback;
+using ::aidl::android::hardware::tv::tuner::FrontendEventType;
+using ::aidl::android::hardware::tv::tuner::FrontendScanMessage;
+using ::aidl::android::hardware::tv::tuner::FrontendScanMessageType;
+using ::aidl::android::hardware::tv::tuner::FrontendScanType;
+using ::aidl::android::hardware::tv::tuner::FrontendSettings;
+using ::aidl::android::hardware::tv::tuner::FrontendStatus;
+using ::aidl::android::hardware::tv::tuner::FrontendStatusType;
+using ::aidl::android::hardware::tv::tuner::IFrontend;
+using ::aidl::android::hardware::tv::tuner::IFrontendCallback;
 
 using namespace std;
 
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
 class TunerFrontend : public BnTunerFrontend {
 
 public:
-    TunerFrontend(sp<IFrontend> frontend, int id);
+    TunerFrontend(shared_ptr<IFrontend> frontend, int id);
     virtual ~TunerFrontend();
-    Status setCallback(
-            const shared_ptr<ITunerFrontendCallback>& tunerFrontendCallback) override;
-    Status tune(const TunerFrontendSettings& settings) override;
-    Status stopTune() override;
-    Status scan(const TunerFrontendSettings& settings, int frontendScanType) override;
-    Status stopScan() override;
-    Status setLnb(const shared_ptr<ITunerLnb>& lnb) override;
-    Status setLna(bool bEnable) override;
-    Status linkCiCamToFrontend(int ciCamId, int32_t* _aidl_return) override;
-    Status unlinkCiCamToFrontend(int ciCamId) override;
-    Status close() override;
-    Status getStatus(const vector<int32_t>& statusTypes,
-            vector<TunerFrontendStatus>* _aidl_return) override;
-    Status getStatusExtended_1_1(const vector<int32_t>& statusTypes,
-            vector<TunerFrontendStatus>* _aidl_return) override;
-    Status getFrontendId(int* _aidl_return) override;
 
-    struct FrontendCallback : public IFrontendCallback {
+    ::ndk::ScopedAStatus setCallback(
+            const shared_ptr<ITunerFrontendCallback>& in_tunerFrontendCallback) override;
+    ::ndk::ScopedAStatus tune(const FrontendSettings& in_settings) override;
+    ::ndk::ScopedAStatus stopTune() override;
+    ::ndk::ScopedAStatus scan(const FrontendSettings& in_settings,
+                              FrontendScanType in_frontendScanType) override;
+    ::ndk::ScopedAStatus stopScan() override;
+    ::ndk::ScopedAStatus setLnb(const shared_ptr<ITunerLnb>& in_lnb) override;
+    ::ndk::ScopedAStatus setLna(bool in_bEnable) override;
+    ::ndk::ScopedAStatus linkCiCamToFrontend(int32_t in_ciCamId, int32_t* _aidl_return) override;
+    ::ndk::ScopedAStatus unlinkCiCamToFrontend(int32_t in_ciCamId) override;
+    ::ndk::ScopedAStatus close() override;
+    ::ndk::ScopedAStatus getStatus(const vector<FrontendStatusType>& in_statusTypes,
+                                   vector<FrontendStatus>* _aidl_return) override;
+    ::ndk::ScopedAStatus getFrontendId(int32_t* _aidl_return) override;
+
+    struct FrontendCallback : public BnFrontendCallback {
         FrontendCallback(const shared_ptr<ITunerFrontendCallback> tunerFrontendCallback)
-                : mTunerFrontendCallback(tunerFrontendCallback) {};
+              : mTunerFrontendCallback(tunerFrontendCallback){};
 
-        virtual Return<void> onEvent(FrontendEventType frontendEventType);
-        virtual Return<void> onScanMessage(
-                FrontendScanMessageType type, const FrontendScanMessage& message);
-        virtual Return<void> onScanMessageExt1_1(
-                FrontendScanMessageTypeExt1_1 type, const FrontendScanMessageExt1_1& message);
+        ::ndk::ScopedAStatus onEvent(FrontendEventType frontendEventType) override;
+        ::ndk::ScopedAStatus onScanMessage(FrontendScanMessageType type,
+                                           const FrontendScanMessage& message) override;
 
         shared_ptr<ITunerFrontendCallback> mTunerFrontendCallback;
     };
 
 private:
-    hidl_vec<FrontendAtsc3PlpSettings> getAtsc3PlpSettings(
-            const TunerFrontendAtsc3Settings& settings);
-    FrontendDvbsCodeRate getDvbsCodeRate(const TunerFrontendDvbsCodeRate& codeRate);
-    FrontendSettings getHidlFrontendSettings(const TunerFrontendSettings& aidlSettings);
-    FrontendSettingsExt1_1 getHidlFrontendSettingsExt(const TunerFrontendSettings& aidlSettings);
-    void getAidlFrontendStatus(
-            vector<FrontendStatus>& hidlStatus, vector<TunerFrontendStatus>& aidlStatus);
-    void getAidlFrontendStatusExt(
-            vector<FrontendStatusExt1_1>& hidlStatus, vector<TunerFrontendStatus>& aidlStatus);
-
     int mId;
-    sp<IFrontend> mFrontend;
-    sp<::android::hardware::tv::tuner::V1_1::IFrontend> mFrontend_1_1;
+    shared_ptr<IFrontend> mFrontend;
 };
 
-} // namespace android
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
+}  // namespace android
+}  // namespace aidl
 
 #endif // ANDROID_MEDIA_TUNERFRONTEND_H
diff --git a/services/tuner/TunerLnb.cpp b/services/tuner/TunerLnb.cpp
index 77248d4..1e143c3 100644
--- a/services/tuner/TunerLnb.cpp
+++ b/services/tuner/TunerLnb.cpp
@@ -18,123 +18,116 @@
 
 #include "TunerLnb.h"
 
-using ::android::hardware::tv::tuner::V1_0::LnbPosition;
-using ::android::hardware::tv::tuner::V1_0::LnbTone;
-using ::android::hardware::tv::tuner::V1_0::LnbVoltage;
-using ::android::hardware::tv::tuner::V1_0::Result;
+#include <aidl/android/hardware/tv/tuner/ILnbCallback.h>
+#include <aidl/android/hardware/tv/tuner/Result.h>
 
+using ::aidl::android::hardware::tv::tuner::ILnbCallback;
+using ::aidl::android::hardware::tv::tuner::Result;
+
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
-TunerLnb::TunerLnb(sp<ILnb> lnb, int id) {
+TunerLnb::TunerLnb(shared_ptr<ILnb> lnb, int id) {
     mLnb = lnb;
     mId = id;
 }
 
 TunerLnb::~TunerLnb() {
-    mLnb = NULL;
+    mLnb = nullptr;
     mId = -1;
 }
 
-Status TunerLnb::setCallback(
-        const shared_ptr<ITunerLnbCallback>& tunerLnbCallback) {
-    if (mLnb == NULL) {
+::ndk::ScopedAStatus TunerLnb::setCallback(
+        const shared_ptr<ITunerLnbCallback>& in_tunerLnbCallback) {
+    if (mLnb == nullptr) {
         ALOGE("ILnb is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    if (tunerLnbCallback == NULL) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::INVALID_ARGUMENT));
+    if (in_tunerLnbCallback == nullptr) {
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::INVALID_ARGUMENT));
     }
 
-    sp<ILnbCallback> lnbCallback = new LnbCallback(tunerLnbCallback);
-    Result status = mLnb->setCallback(lnbCallback);
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
-    }
-    return Status::ok();
+    shared_ptr<ILnbCallback> lnbCallback =
+            ::ndk::SharedRefBase::make<LnbCallback>(in_tunerLnbCallback);
+    return mLnb->setCallback(lnbCallback);
 }
 
-Status TunerLnb::setVoltage(int voltage) {
-    if (mLnb == NULL) {
+::ndk::ScopedAStatus TunerLnb::setVoltage(LnbVoltage in_voltage) {
+    if (mLnb == nullptr) {
         ALOGE("ILnb is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status = mLnb->setVoltage(static_cast<LnbVoltage>(voltage));
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
-    }
-    return Status::ok();
+    return mLnb->setVoltage(in_voltage);
 }
 
-Status TunerLnb::setTone(int tone) {
-    if (mLnb == NULL) {
+::ndk::ScopedAStatus TunerLnb::setTone(LnbTone in_tone) {
+    if (mLnb == nullptr) {
         ALOGE("ILnb is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status = mLnb->setTone(static_cast<LnbTone>(tone));
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
-    }
-    return Status::ok();
+    return mLnb->setTone(in_tone);
 }
 
-Status TunerLnb::setSatellitePosition(int position) {
-    if (mLnb == NULL) {
+::ndk::ScopedAStatus TunerLnb::setSatellitePosition(LnbPosition in_position) {
+    if (mLnb == nullptr) {
         ALOGE("ILnb is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status = mLnb->setSatellitePosition(static_cast<LnbPosition>(position));
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
-    }
-    return Status::ok();
+    return mLnb->setSatellitePosition(in_position);
 }
 
-Status TunerLnb::sendDiseqcMessage(const vector<uint8_t>& diseqcMessage) {
-    if (mLnb == NULL) {
+::ndk::ScopedAStatus TunerLnb::sendDiseqcMessage(const vector<uint8_t>& in_diseqcMessage) {
+    if (mLnb == nullptr) {
         ALOGE("ILnb is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status = mLnb->sendDiseqcMessage(diseqcMessage);
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
-    }
-    return Status::ok();
+    return mLnb->sendDiseqcMessage(in_diseqcMessage);
 }
 
-Status TunerLnb::close() {
-    if (mLnb == NULL) {
+::ndk::ScopedAStatus TunerLnb::close() {
+    if (mLnb == nullptr) {
         ALOGE("ILnb is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mLnb->close();
-    mLnb = NULL;
+    auto res = mLnb->close();
+    mLnb = nullptr;
 
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return res;
 }
 
 /////////////// ILnbCallback ///////////////////////
-
-Return<void> TunerLnb::LnbCallback::onEvent(const LnbEventType lnbEventType) {
-    if (mTunerLnbCallback != NULL) {
-        mTunerLnbCallback->onEvent((int)lnbEventType);
+::ndk::ScopedAStatus TunerLnb::LnbCallback::onEvent(const LnbEventType lnbEventType) {
+    if (mTunerLnbCallback != nullptr) {
+        mTunerLnbCallback->onEvent(lnbEventType);
     }
-    return Void();
+    return ndk::ScopedAStatus::ok();
 }
 
-Return<void> TunerLnb::LnbCallback::onDiseqcMessage(const hidl_vec<uint8_t>& diseqcMessage) {
-    if (mTunerLnbCallback != NULL && diseqcMessage != NULL) {
-        vector<uint8_t> msg(begin(diseqcMessage), end(diseqcMessage));
-        mTunerLnbCallback->onDiseqcMessage(msg);
+::ndk::ScopedAStatus TunerLnb::LnbCallback::onDiseqcMessage(const vector<uint8_t>& diseqcMessage) {
+    if (mTunerLnbCallback != nullptr) {
+        mTunerLnbCallback->onDiseqcMessage(diseqcMessage);
     }
-    return Void();
+    return ndk::ScopedAStatus::ok();
 }
+
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
 }  // namespace android
+}  // namespace aidl
diff --git a/services/tuner/TunerLnb.h b/services/tuner/TunerLnb.h
index 500d072..37efdf8 100644
--- a/services/tuner/TunerLnb.h
+++ b/services/tuner/TunerLnb.h
@@ -17,55 +17,62 @@
 #ifndef ANDROID_MEDIA_TUNERFLNB_H
 #define ANDROID_MEDIA_TUNERFLNB_H
 
+#include <aidl/android/hardware/tv/tuner/BnLnbCallback.h>
+#include <aidl/android/hardware/tv/tuner/ILnb.h>
 #include <aidl/android/media/tv/tuner/BnTunerLnb.h>
-#include <android/hardware/tv/tuner/1.0/ILnb.h>
-#include <android/hardware/tv/tuner/1.0/ILnbCallback.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <utils/Log.h>
 
-using Status = ::ndk::ScopedAStatus;
-using ::aidl::android::media::tv::tuner::BnTunerLnb;
-using ::aidl::android::media::tv::tuner::ITunerLnbCallback;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::hardware::hidl_vec;
-using ::android::hardware::tv::tuner::V1_0::ILnb;
-using ::android::hardware::tv::tuner::V1_0::ILnbCallback;
-using ::android::hardware::tv::tuner::V1_0::LnbEventType;
+using ::aidl::android::hardware::tv::tuner::BnLnbCallback;
+using ::aidl::android::hardware::tv::tuner::ILnb;
+using ::aidl::android::hardware::tv::tuner::LnbEventType;
+using ::aidl::android::hardware::tv::tuner::LnbPosition;
+using ::aidl::android::hardware::tv::tuner::LnbTone;
+using ::aidl::android::hardware::tv::tuner::LnbVoltage;
 
 using namespace std;
 
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
 class TunerLnb : public BnTunerLnb {
 
 public:
-    TunerLnb(sp<ILnb> lnb, int id);
+    TunerLnb(shared_ptr<ILnb> lnb, int id);
     virtual ~TunerLnb();
-    Status setCallback(const shared_ptr<ITunerLnbCallback>& tunerLnbCallback) override;
-    Status setVoltage(int voltage) override;
-    Status setTone(int tone) override;
-    Status setSatellitePosition(int position) override;
-    Status sendDiseqcMessage(const vector<uint8_t>& diseqcMessage) override;
-    Status close() override;
+
+    ::ndk::ScopedAStatus setCallback(
+            const shared_ptr<ITunerLnbCallback>& in_tunerLnbCallback) override;
+    ::ndk::ScopedAStatus setVoltage(LnbVoltage in_voltage) override;
+    ::ndk::ScopedAStatus setTone(LnbTone in_tone) override;
+    ::ndk::ScopedAStatus setSatellitePosition(LnbPosition in_position) override;
+    ::ndk::ScopedAStatus sendDiseqcMessage(const vector<uint8_t>& in_diseqcMessage) override;
+    ::ndk::ScopedAStatus close() override;
 
     int getId() { return mId; }
 
-    struct LnbCallback : public ILnbCallback {
+    struct LnbCallback : public BnLnbCallback {
         LnbCallback(const shared_ptr<ITunerLnbCallback> tunerLnbCallback)
-                : mTunerLnbCallback(tunerLnbCallback) {};
+              : mTunerLnbCallback(tunerLnbCallback){};
 
-        virtual Return<void> onEvent(const LnbEventType lnbEventType);
-        virtual Return<void> onDiseqcMessage(const hidl_vec<uint8_t>& diseqcMessage);
+        ::ndk::ScopedAStatus onEvent(const LnbEventType lnbEventType) override;
+        ::ndk::ScopedAStatus onDiseqcMessage(const vector<uint8_t>& diseqcMessage) override;
 
         shared_ptr<ITunerLnbCallback> mTunerLnbCallback;
     };
 
 private:
     int mId;
-    sp<ILnb> mLnb;
+    shared_ptr<ILnb> mLnb;
 };
 
-} // namespace android
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
+}  // namespace android
+}  // namespace aidl
 
 #endif // ANDROID_MEDIA_TUNERFLNB_H
diff --git a/services/tuner/TunerService.cpp b/services/tuner/TunerService.cpp
index 5b4129a..0703700 100644
--- a/services/tuner/TunerService.cpp
+++ b/services/tuner/TunerService.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2020, The Android Open Source Project
+ * 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.
@@ -14,60 +14,63 @@
  * limitations under the License.
  */
 
+//#define LOG_NDEBUG 0
 #define LOG_TAG "TunerService"
 
+#include "TunerService.h"
+
+#include <aidl/android/hardware/tv/tuner/IDemux.h>
+#include <aidl/android/hardware/tv/tuner/IDescrambler.h>
+#include <aidl/android/hardware/tv/tuner/IFrontend.h>
+#include <aidl/android/hardware/tv/tuner/ILnb.h>
+#include <aidl/android/hardware/tv/tuner/Result.h>
+#include <aidl/android/media/tv/tunerresourcemanager/TunerFrontendInfo.h>
 #include <android/binder_manager.h>
 #include <android/content/pm/IPackageManagerNative.h>
 #include <binder/IServiceManager.h>
 #include <utils/Log.h>
-#include "TunerService.h"
-#include "TunerFrontend.h"
-#include "TunerLnb.h"
+
 #include "TunerDemux.h"
 #include "TunerDescrambler.h"
+#include "TunerFrontend.h"
+#include "TunerLnb.h"
 
-using ::aidl::android::media::tv::tuner::TunerFrontendAnalogCapabilities;
-using ::aidl::android::media::tv::tuner::TunerFrontendAtsc3Capabilities;
-using ::aidl::android::media::tv::tuner::TunerFrontendAtscCapabilities;
-using ::aidl::android::media::tv::tuner::TunerFrontendCableCapabilities;
-using ::aidl::android::media::tv::tuner::TunerFrontendCapabilities;
-using ::aidl::android::media::tv::tuner::TunerFrontendDvbsCapabilities;
-using ::aidl::android::media::tv::tuner::TunerFrontendDvbtCapabilities;
-using ::aidl::android::media::tv::tuner::TunerFrontendIsdbs3Capabilities;
-using ::aidl::android::media::tv::tuner::TunerFrontendIsdbsCapabilities;
-using ::aidl::android::media::tv::tuner::TunerFrontendIsdbtCapabilities;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterAvSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterMainType;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterType;
-using ::android::hardware::tv::tuner::V1_0::DemuxTsFilterType;
-using ::android::hardware::tv::tuner::V1_0::FrontendId;
-using ::android::hardware::tv::tuner::V1_0::FrontendType;
-using ::android::hardware::tv::tuner::V1_0::IFrontend;
-using ::android::hardware::tv::tuner::V1_0::ILnb;
-using ::android::hardware::tv::tuner::V1_0::LnbId;
-using ::android::hardware::tv::tuner::V1_0::Result;
-using ::android::hardware::tv::tuner::V1_1::FrontendDtmbCapabilities;
+using ::aidl::android::hardware::tv::tuner::IDemux;
+using ::aidl::android::hardware::tv::tuner::IDescrambler;
+using ::aidl::android::hardware::tv::tuner::IFrontend;
+using ::aidl::android::hardware::tv::tuner::Result;
+using ::aidl::android::media::tv::tunerresourcemanager::TunerFrontendInfo;
+using ::android::defaultServiceManager;
+using ::android::IBinder;
+using ::android::interface_cast;
+using ::android::IServiceManager;
+using ::android::sp;
+using ::android::String16;
+using ::android::binder::Status;
+using ::android::content::pm::IPackageManagerNative;
 
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
 TunerService::TunerService() {
     sp<IServiceManager> serviceMgr = defaultServiceManager();
-    sp<content::pm::IPackageManagerNative> packageMgr;
+    sp<IPackageManagerNative> packageMgr;
     if (serviceMgr.get() == nullptr) {
         ALOGE("%s: Cannot find service manager", __func__);
         return;
     } else {
         sp<IBinder> binder = serviceMgr->waitForService(String16("package_native"));
-        packageMgr = interface_cast<content::pm::IPackageManagerNative>(binder);
+        packageMgr = interface_cast<IPackageManagerNative>(binder);
     }
 
-    bool hasFeature = false;
     if (packageMgr != nullptr) {
-        binder::Status status = packageMgr->hasSystemFeature(FEATURE_TUNER, 0, &hasFeature);
+        bool hasFeature = false;
+        Status status = packageMgr->hasSystemFeature(FEATURE_TUNER, 0, &hasFeature);
         if (!status.isOk()) {
-            ALOGE("%s: hasSystemFeature failed: %s",
-                    __func__, status.exceptionMessage().c_str());
+            ALOGE("%s: hasSystemFeature failed: %s", __func__, status.exceptionMessage().c_str());
             return;
         }
         if (!hasFeature) {
@@ -93,231 +96,149 @@
 }
 
 bool TunerService::hasITuner() {
-    ALOGD("hasITuner");
+    ALOGV("hasITuner");
     if (mTuner != nullptr) {
         return true;
     }
-    mTuner = ITuner::getService();
-    if (mTuner == nullptr) {
-        ALOGE("Failed to get ITuner service");
+    const string statsServiceName = string() + ITuner::descriptor + "/default";
+    if (AServiceManager_isDeclared(statsServiceName.c_str())) {
+        ::ndk::SpAIBinder binder(AServiceManager_waitForService(statsServiceName.c_str()));
+        mTuner = ITuner::fromBinder(binder);
+    } else {
+        mTuner = nullptr;
+        ALOGE("Failed to get Tuner HAL Service");
         return false;
     }
-    mTunerVersion = TUNER_HAL_VERSION_1_0;
-    mTuner_1_1 = ::android::hardware::tv::tuner::V1_1::ITuner::castFrom(mTuner);
-    if (mTuner_1_1 != nullptr) {
-        mTunerVersion = TUNER_HAL_VERSION_1_1;
-    } else {
-        ALOGE("Failed to get ITuner_1_1 service");
-    }
+
+    mTunerVersion = TUNER_HAL_VERSION_2_0;
+    // TODO: Enable this after Tuner HAL is frozen.
+    // if (mTuner->getInterfaceVersion(&mTunerVersion).isOk()) {
+    //  // Tuner AIDL HAL version 1 will be Tuner HAL 2.0
+    //  mTunerVersion = (mTunerVersion + 1) << 16;
+    //}
+
     return true;
 }
 
-bool TunerService::hasITuner_1_1() {
-    ALOGD("hasITuner_1_1");
-    hasITuner();
-    return (mTunerVersion == TUNER_HAL_VERSION_1_1);
-}
-
-Status TunerService::openDemux(
-        int /* demuxHandle */, std::shared_ptr<ITunerDemux>* _aidl_return) {
-    ALOGD("openDemux");
+::ndk::ScopedAStatus TunerService::openDemux(int32_t /* in_demuxHandle */,
+                                             shared_ptr<ITunerDemux>* _aidl_return) {
+    ALOGV("openDemux");
     if (!hasITuner()) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::NOT_INITIALIZED));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
-    Result res;
-    uint32_t id;
-    sp<IDemux> demuxSp = nullptr;
-    shared_ptr<ITunerDemux> tunerDemux = nullptr;
-    mTuner->openDemux([&](Result r, uint32_t demuxId, const sp<IDemux>& demux) {
-        demuxSp = demux;
-        id = demuxId;
-        res = r;
-        ALOGD("open demux, id = %d", demuxId);
-    });
-    if (res == Result::SUCCESS) {
-        tunerDemux = ::ndk::SharedRefBase::make<TunerDemux>(demuxSp, id);
-        *_aidl_return = tunerDemux->ref<ITunerDemux>();
-        return Status::ok();
+    vector<int32_t> id;
+    shared_ptr<IDemux> demux;
+    auto status = mTuner->openDemux(&id, &demux);
+    if (status.isOk()) {
+        *_aidl_return = ::ndk::SharedRefBase::make<TunerDemux>(demux, id[0]);
     }
 
-    ALOGW("open demux failed, res = %d", res);
-    return Status::fromServiceSpecificError(static_cast<int32_t>(res));
+    return status;
 }
 
-Status TunerService::getDemuxCaps(TunerDemuxCapabilities* _aidl_return) {
-    ALOGD("getDemuxCaps");
+::ndk::ScopedAStatus TunerService::getDemuxCaps(DemuxCapabilities* _aidl_return) {
+    ALOGV("getDemuxCaps");
     if (!hasITuner()) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::NOT_INITIALIZED));
-    }
-    Result res;
-    DemuxCapabilities caps;
-    mTuner->getDemuxCaps([&](Result r, const DemuxCapabilities& demuxCaps) {
-        caps = demuxCaps;
-        res = r;
-    });
-    if (res == Result::SUCCESS) {
-        *_aidl_return = getAidlDemuxCaps(caps);
-        return Status::ok();
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    ALOGW("Get demux caps failed, res = %d", res);
-    return Status::fromServiceSpecificError(static_cast<int32_t>(res));
+    return mTuner->getDemuxCaps(_aidl_return);
 }
 
-Status TunerService::getFrontendIds(vector<int32_t>* ids) {
+::ndk::ScopedAStatus TunerService::getFrontendIds(vector<int32_t>* ids) {
     if (!hasITuner()) {
-        return Status::fromServiceSpecificError(
-                static_cast<int32_t>(Result::NOT_INITIALIZED));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
-    hidl_vec<FrontendId> feIds;
-    Result res = getHidlFrontendIds(feIds);
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    ids->resize(feIds.size());
-    copy(feIds.begin(), feIds.end(), ids->begin());
 
-    return Status::ok();
+    return mTuner->getFrontendIds(ids);
 }
 
-Status TunerService::getFrontendInfo(int32_t id, TunerFrontendInfo* _aidl_return) {
+::ndk::ScopedAStatus TunerService::getFrontendInfo(int32_t id, FrontendInfo* _aidl_return) {
     if (!hasITuner()) {
         ALOGE("ITuner service is not init.");
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
                 static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    FrontendInfo info;
-    Result res = getHidlFrontendInfo(id, info);
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-
-    TunerFrontendInfo tunerInfo = convertToAidlFrontendInfo(info);
-    *_aidl_return = tunerInfo;
-    return Status::ok();
+    return mTuner->getFrontendInfo(id, _aidl_return);
 }
 
-Status TunerService::getFrontendDtmbCapabilities(
-        int32_t id, TunerFrontendDtmbCapabilities* _aidl_return) {
-    if (!hasITuner_1_1()) {
-        ALOGE("ITuner_1_1 service is not init.");
+::ndk::ScopedAStatus TunerService::openFrontend(int32_t frontendHandle,
+                                                shared_ptr<ITunerFrontend>* _aidl_return) {
+    if (!hasITuner()) {
+        ALOGE("ITuner service is not init.");
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
                 static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res;
-    FrontendDtmbCapabilities dtmbCaps;
-    mTuner_1_1->getFrontendDtmbCapabilities(id,
-            [&](Result r, const FrontendDtmbCapabilities& caps) {
-        dtmbCaps = caps;
-        res = r;
-    });
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-
-    TunerFrontendDtmbCapabilities aidlDtmbCaps{
-        .transmissionModeCap = (int)dtmbCaps.transmissionModeCap,
-        .bandwidthCap = (int)dtmbCaps.bandwidthCap,
-        .modulationCap = (int)dtmbCaps.modulationCap,
-        .codeRateCap = (int)dtmbCaps.codeRateCap,
-        .guardIntervalCap = (int)dtmbCaps.guardIntervalCap,
-        .interleaveModeCap = (int)dtmbCaps.interleaveModeCap,
-    };
-
-    *_aidl_return = aidlDtmbCaps;
-    return Status::ok();
-}
-
-Status TunerService::openFrontend(
-        int32_t frontendHandle, shared_ptr<ITunerFrontend>* _aidl_return) {
-    if (!hasITuner()) {
-        ALOGE("ITuner service is not init.");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
-    Result status;
-    sp<IFrontend> frontend;
     int id = getResourceIdFromHandle(frontendHandle, FRONTEND);
-    mTuner->openFrontendById(id, [&](Result result, const sp<IFrontend>& fe) {
-        frontend = fe;
-        status = result;
-    });
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
+    shared_ptr<IFrontend> frontend;
+    auto status = mTuner->openFrontendById(id, &frontend);
+    if (status.isOk()) {
+        *_aidl_return = ::ndk::SharedRefBase::make<TunerFrontend>(frontend, id);
     }
-    *_aidl_return = ::ndk::SharedRefBase::make<TunerFrontend>(frontend, id);
-    return Status::ok();
+
+    return status;
 }
 
-Status TunerService::openLnb(int lnbHandle, shared_ptr<ITunerLnb>* _aidl_return) {
+::ndk::ScopedAStatus TunerService::openLnb(int lnbHandle, shared_ptr<ITunerLnb>* _aidl_return) {
     if (!hasITuner()) {
         ALOGD("get ITuner failed");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status;
-    sp<ILnb> lnb;
+    shared_ptr<ILnb> lnb;
     int id = getResourceIdFromHandle(lnbHandle, LNB);
-    mTuner->openLnbById(id, [&](Result result, const sp<ILnb>& lnbSp){
-        lnb = lnbSp;
-        status = result;
-    });
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
+    auto status = mTuner->openLnbById(id, &lnb);
+    if (status.isOk()) {
+        *_aidl_return = ::ndk::SharedRefBase::make<TunerLnb>(lnb, id);
     }
 
-    *_aidl_return = ::ndk::SharedRefBase::make<TunerLnb>(lnb, id);
-    return Status::ok();
+    return status;
 }
 
-Status TunerService::openLnbByName(const string& lnbName, shared_ptr<ITunerLnb>* _aidl_return) {
+::ndk::ScopedAStatus TunerService::openLnbByName(const string& lnbName,
+                                                 shared_ptr<ITunerLnb>* _aidl_return) {
     if (!hasITuner()) {
         ALOGE("get ITuner failed");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    int lnbId;
-    Result status;
-    sp<ILnb> lnb;
-    mTuner->openLnbByName(lnbName, [&](Result r, LnbId id, const sp<ILnb>& lnbSp) {
-        status = r;
-        lnb = lnbSp;
-        lnbId = (int)id;
-    });
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
+    vector<int32_t> id;
+    shared_ptr<ILnb> lnb;
+    auto status = mTuner->openLnbByName(lnbName, &id, &lnb);
+    if (status.isOk()) {
+        *_aidl_return = ::ndk::SharedRefBase::make<TunerLnb>(lnb, id[0]);
     }
 
-    *_aidl_return = ::ndk::SharedRefBase::make<TunerLnb>(lnb, lnbId);
-    return Status::ok();
+    return ::ndk::ScopedAStatus::ok();
 }
 
-Status TunerService::openDescrambler(int32_t /*descramblerHandle*/,
-            std::shared_ptr<ITunerDescrambler>* _aidl_return) {
+::ndk::ScopedAStatus TunerService::openDescrambler(int32_t /*descramblerHandle*/,
+                                                   shared_ptr<ITunerDescrambler>* _aidl_return) {
     if (!hasITuner()) {
         ALOGD("get ITuner failed");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status;
-    sp<IDescrambler> descrambler;
-    //int id = getResourceIdFromHandle(descramblerHandle, DESCRAMBLER);
-    mTuner->openDescrambler([&](Result r, const sp<IDescrambler>& descramblerSp) {
-        status = r;
-        descrambler = descramblerSp;
-    });
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
+    shared_ptr<IDescrambler> descrambler;
+    // int id = getResourceIdFromHandle(descramblerHandle, DESCRAMBLER);
+    auto status = mTuner->openDescrambler(&descrambler);
+    if (status.isOk()) {
+        *_aidl_return = ::ndk::SharedRefBase::make<TunerDescrambler>(descrambler);
     }
 
-    *_aidl_return = ::ndk::SharedRefBase::make<TunerDescrambler>(descrambler);
-    return Status::ok();
+    return status;
 }
 
 void TunerService::updateTunerResources() {
-    if (!hasITuner() || mTunerResourceManager == NULL) {
+    if (!hasITuner() || mTunerResourceManager == nullptr) {
         ALOGE("Failed to updateTunerResources");
         return;
     }
@@ -327,29 +248,30 @@
     // TODO: update Demux, Descrambler.
 }
 
-Status TunerService::getTunerHalVersion(int* _aidl_return) {
+::ndk::ScopedAStatus TunerService::getTunerHalVersion(int* _aidl_return) {
     hasITuner();
     *_aidl_return = mTunerVersion;
-    return Status::ok();
+    return ::ndk::ScopedAStatus::ok();
 }
 
 void TunerService::updateFrontendResources() {
-    hidl_vec<FrontendId> ids;
-    Result res = getHidlFrontendIds(ids);
-    if (res != Result::SUCCESS) {
+    vector<int32_t> ids;
+    auto status = mTuner->getFrontendIds(&ids);
+    if (!status.isOk()) {
         return;
     }
+
     vector<TunerFrontendInfo> infos;
     for (int i = 0; i < ids.size(); i++) {
         FrontendInfo frontendInfo;
-        Result res = getHidlFrontendInfo((int)ids[i], frontendInfo);
-        if (res != Result::SUCCESS) {
+        auto res = mTuner->getFrontendInfo(ids[i], &frontendInfo);
+        if (!res.isOk()) {
             continue;
         }
         TunerFrontendInfo tunerFrontendInfo{
-            .handle = getResourceHandleFromId((int)ids[i], FRONTEND),
-            .type = static_cast<int>(frontendInfo.type),
-            .exclusiveGroupId = static_cast<int>(frontendInfo.exclusiveGroupId),
+                .handle = getResourceHandleFromId((int)ids[i], FRONTEND),
+                .type = static_cast<int>(frontendInfo.type),
+                .exclusiveGroupId = frontendInfo.exclusiveGroupId,
         };
         infos.push_back(tunerFrontendInfo);
     }
@@ -357,26 +279,21 @@
 }
 
 void TunerService::updateLnbResources() {
-    vector<int> handles = getLnbHandles();
+    vector<int32_t> handles = getLnbHandles();
     if (handles.size() == 0) {
         return;
     }
     mTunerResourceManager->setLnbInfoList(handles);
 }
 
-vector<int> TunerService::getLnbHandles() {
-    vector<int> lnbHandles;
-    if (mTuner != NULL) {
-        Result res;
-        vector<LnbId> lnbIds;
-        mTuner->getLnbIds([&](Result r, const hardware::hidl_vec<LnbId>& ids) {
-            lnbIds = ids;
-            res = r;
-        });
-        if (res != Result::SUCCESS || lnbIds.size() == 0) {
-        } else {
+vector<int32_t> TunerService::getLnbHandles() {
+    vector<int32_t> lnbHandles;
+    if (mTuner != nullptr) {
+        vector<int32_t> lnbIds;
+        auto res = mTuner->getLnbIds(&lnbIds);
+        if (res.isOk()) {
             for (int i = 0; i < lnbIds.size(); i++) {
-                lnbHandles.push_back(getResourceHandleFromId((int)lnbIds[i], LNB));
+                lnbHandles.push_back(getResourceHandleFromId(lnbIds[i], LNB));
             }
         }
     }
@@ -384,186 +301,8 @@
     return lnbHandles;
 }
 
-Result TunerService::getHidlFrontendIds(hidl_vec<FrontendId>& ids) {
-    if (mTuner == NULL) {
-        return Result::NOT_INITIALIZED;
-    }
-    Result res;
-    mTuner->getFrontendIds([&](Result r, const hidl_vec<FrontendId>& frontendIds) {
-        ids = frontendIds;
-        res = r;
-    });
-    return res;
-}
-
-Result TunerService::getHidlFrontendInfo(int id, FrontendInfo& info) {
-    if (mTuner == NULL) {
-        return Result::NOT_INITIALIZED;
-    }
-    Result res;
-    mTuner->getFrontendInfo(id, [&](Result r, const FrontendInfo& feInfo) {
-        info = feInfo;
-        res = r;
-    });
-    return res;
-}
-
-TunerDemuxCapabilities TunerService::getAidlDemuxCaps(DemuxCapabilities caps) {
-    TunerDemuxCapabilities aidlCaps{
-        .numDemux = (int)caps.numDemux,
-        .numRecord = (int)caps.numRecord,
-        .numPlayback = (int)caps.numPlayback,
-        .numTsFilter = (int)caps.numTsFilter,
-        .numSectionFilter = (int)caps.numSectionFilter,
-        .numAudioFilter = (int)caps.numAudioFilter,
-        .numVideoFilter = (int)caps.numVideoFilter,
-        .numPesFilter = (int)caps.numPesFilter,
-        .numPcrFilter = (int)caps.numPcrFilter,
-        .numBytesInSectionFilter = (int)caps.numBytesInSectionFilter,
-        .filterCaps = (int)caps.filterCaps,
-        .bTimeFilter = caps.bTimeFilter,
-    };
-    aidlCaps.linkCaps.resize(caps.linkCaps.size());
-    copy(caps.linkCaps.begin(), caps.linkCaps.end(), aidlCaps.linkCaps.begin());
-    return aidlCaps;
-}
-
-TunerFrontendInfo TunerService::convertToAidlFrontendInfo(FrontendInfo halInfo) {
-    TunerFrontendInfo info{
-        .type = (int)halInfo.type,
-        .minFrequency = (int)halInfo.minFrequency,
-        .maxFrequency = (int)halInfo.maxFrequency,
-        .minSymbolRate = (int)halInfo.minSymbolRate,
-        .maxSymbolRate = (int)halInfo.maxSymbolRate,
-        .acquireRange = (int)halInfo.acquireRange,
-        .exclusiveGroupId = (int)halInfo.exclusiveGroupId,
-    };
-    for (int i = 0; i < halInfo.statusCaps.size(); i++) {
-        info.statusCaps.push_back((int)halInfo.statusCaps[i]);
-    }
-
-    TunerFrontendCapabilities caps;
-    switch (halInfo.type) {
-        case FrontendType::ANALOG: {
-            if (FrontendInfo::FrontendCapabilities::hidl_discriminator::analogCaps
-                    == halInfo.frontendCaps.getDiscriminator()) {
-                TunerFrontendAnalogCapabilities analogCaps{
-                    .typeCap = (int)halInfo.frontendCaps.analogCaps().typeCap,
-                    .sifStandardCap = (int)halInfo.frontendCaps.analogCaps().sifStandardCap,
-                };
-                caps.set<TunerFrontendCapabilities::analogCaps>(analogCaps);
-            }
-            break;
-        }
-        case FrontendType::ATSC: {
-            if (FrontendInfo::FrontendCapabilities::hidl_discriminator::atscCaps
-                    == halInfo.frontendCaps.getDiscriminator()) {
-                TunerFrontendAtscCapabilities atscCaps{
-                    .modulationCap = (int)halInfo.frontendCaps.atscCaps().modulationCap,
-                };
-                caps.set<TunerFrontendCapabilities::atscCaps>(atscCaps);
-            }
-            break;
-        }
-        case FrontendType::ATSC3: {
-            if (FrontendInfo::FrontendCapabilities::hidl_discriminator::atsc3Caps
-                    == halInfo.frontendCaps.getDiscriminator()) {
-                TunerFrontendAtsc3Capabilities atsc3Caps{
-                    .bandwidthCap = (int)halInfo.frontendCaps.atsc3Caps().bandwidthCap,
-                    .modulationCap = (int)halInfo.frontendCaps.atsc3Caps().modulationCap,
-                    .timeInterleaveModeCap =
-                            (int)halInfo.frontendCaps.atsc3Caps().timeInterleaveModeCap,
-                    .codeRateCap = (int)halInfo.frontendCaps.atsc3Caps().codeRateCap,
-                    .demodOutputFormatCap
-                        = (int)halInfo.frontendCaps.atsc3Caps().demodOutputFormatCap,
-                    .fecCap = (int)halInfo.frontendCaps.atsc3Caps().fecCap,
-                };
-                caps.set<TunerFrontendCapabilities::atsc3Caps>(atsc3Caps);
-            }
-            break;
-        }
-        case FrontendType::DVBC: {
-            if (FrontendInfo::FrontendCapabilities::hidl_discriminator::dvbcCaps
-                    == halInfo.frontendCaps.getDiscriminator()) {
-                TunerFrontendCableCapabilities cableCaps{
-                    .modulationCap = (int)halInfo.frontendCaps.dvbcCaps().modulationCap,
-                    .codeRateCap = (int64_t)halInfo.frontendCaps.dvbcCaps().fecCap,
-                    .annexCap = (int)halInfo.frontendCaps.dvbcCaps().annexCap,
-                };
-                caps.set<TunerFrontendCapabilities::cableCaps>(cableCaps);
-            }
-            break;
-        }
-        case FrontendType::DVBS: {
-            if (FrontendInfo::FrontendCapabilities::hidl_discriminator::dvbsCaps
-                    == halInfo.frontendCaps.getDiscriminator()) {
-                TunerFrontendDvbsCapabilities dvbsCaps{
-                    .modulationCap = (int)halInfo.frontendCaps.dvbsCaps().modulationCap,
-                    .codeRateCap = (long)halInfo.frontendCaps.dvbsCaps().innerfecCap,
-                    .standard = (int)halInfo.frontendCaps.dvbsCaps().standard,
-                };
-                caps.set<TunerFrontendCapabilities::dvbsCaps>(dvbsCaps);
-            }
-            break;
-        }
-        case FrontendType::DVBT: {
-            if (FrontendInfo::FrontendCapabilities::hidl_discriminator::dvbtCaps
-                    == halInfo.frontendCaps.getDiscriminator()) {
-                TunerFrontendDvbtCapabilities dvbtCaps{
-                    .transmissionModeCap = (int)halInfo.frontendCaps.dvbtCaps().transmissionModeCap,
-                    .bandwidthCap = (int)halInfo.frontendCaps.dvbtCaps().bandwidthCap,
-                    .constellationCap = (int)halInfo.frontendCaps.dvbtCaps().constellationCap,
-                    .codeRateCap = (int)halInfo.frontendCaps.dvbtCaps().coderateCap,
-                    .hierarchyCap = (int)halInfo.frontendCaps.dvbtCaps().hierarchyCap,
-                    .guardIntervalCap = (int)halInfo.frontendCaps.dvbtCaps().guardIntervalCap,
-                    .isT2Supported = (bool)halInfo.frontendCaps.dvbtCaps().isT2Supported,
-                    .isMisoSupported = (bool)halInfo.frontendCaps.dvbtCaps().isMisoSupported,
-                };
-                caps.set<TunerFrontendCapabilities::dvbtCaps>(dvbtCaps);
-            }
-            break;
-        }
-        case FrontendType::ISDBS: {
-            if (FrontendInfo::FrontendCapabilities::hidl_discriminator::isdbsCaps
-                    == halInfo.frontendCaps.getDiscriminator()) {
-                TunerFrontendIsdbsCapabilities isdbsCaps{
-                    .modulationCap = (int)halInfo.frontendCaps.isdbsCaps().modulationCap,
-                    .codeRateCap = (int)halInfo.frontendCaps.isdbsCaps().coderateCap,
-                };
-                caps.set<TunerFrontendCapabilities::isdbsCaps>(isdbsCaps);
-            }
-            break;
-        }
-        case FrontendType::ISDBS3: {
-            if (FrontendInfo::FrontendCapabilities::hidl_discriminator::isdbs3Caps
-                    == halInfo.frontendCaps.getDiscriminator()) {
-                TunerFrontendIsdbs3Capabilities isdbs3Caps{
-                    .modulationCap = (int)halInfo.frontendCaps.isdbs3Caps().modulationCap,
-                    .codeRateCap = (int)halInfo.frontendCaps.isdbs3Caps().coderateCap,
-                };
-                caps.set<TunerFrontendCapabilities::isdbs3Caps>(isdbs3Caps);
-            }
-            break;
-        }
-        case FrontendType::ISDBT: {
-            if (FrontendInfo::FrontendCapabilities::hidl_discriminator::isdbtCaps
-                    == halInfo.frontendCaps.getDiscriminator()) {
-                TunerFrontendIsdbtCapabilities isdbtCaps{
-                    .modeCap = (int)halInfo.frontendCaps.isdbtCaps().modeCap,
-                    .bandwidthCap = (int)halInfo.frontendCaps.isdbtCaps().bandwidthCap,
-                    .modulationCap = (int)halInfo.frontendCaps.isdbtCaps().modulationCap,
-                    .codeRateCap = (int)halInfo.frontendCaps.isdbtCaps().coderateCap,
-                    .guardIntervalCap = (int)halInfo.frontendCaps.isdbtCaps().guardIntervalCap,
-                };
-                caps.set<TunerFrontendCapabilities::isdbtCaps>(isdbtCaps);
-            }
-            break;
-        }
-        default:
-            break;
-    }
-
-    info.caps = caps;
-    return info;
-}
-} // namespace android
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
+}  // namespace android
+}  // namespace aidl
diff --git a/services/tuner/TunerService.h b/services/tuner/TunerService.h
index f8e2ee6..164bef8 100644
--- a/services/tuner/TunerService.h
+++ b/services/tuner/TunerService.h
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2020, The Android Open Source Project
+ * 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.
@@ -17,61 +17,33 @@
 #ifndef ANDROID_MEDIA_TUNERSERVICE_H
 #define ANDROID_MEDIA_TUNERSERVICE_H
 
-#include <aidl/android/media/tv/tunerresourcemanager/ITunerResourceManager.h>
+#include <aidl/android/hardware/tv/tuner/BnFilterCallback.h>
+#include <aidl/android/hardware/tv/tuner/DemuxFilterEvent.h>
+#include <aidl/android/hardware/tv/tuner/DemuxFilterStatus.h>
+#include <aidl/android/hardware/tv/tuner/ITuner.h>
 #include <aidl/android/media/tv/tuner/BnTunerService.h>
-#include <android/hardware/tv/tuner/1.1/ITuner.h>
-#include <fmq/AidlMessageQueue.h>
-#include <fmq/EventFlag.h>
-#include <fmq/MessageQueue.h>
+#include <aidl/android/media/tv/tunerresourcemanager/ITunerResourceManager.h>
 
-using ::aidl::android::hardware::common::fmq::GrantorDescriptor;
-using ::aidl::android::hardware::common::fmq::MQDescriptor;
-using ::aidl::android::hardware::common::fmq::SynchronizedReadWrite;
-using ::aidl::android::media::tv::tuner::BnTunerService;
-using ::aidl::android::media::tv::tuner::ITunerDemux;
-using ::aidl::android::media::tv::tuner::ITunerDescrambler;
-using ::aidl::android::media::tv::tuner::ITunerFrontend;
-using ::aidl::android::media::tv::tuner::ITunerLnb;
-using ::aidl::android::media::tv::tuner::TunerDemuxCapabilities;
-using ::aidl::android::media::tv::tuner::TunerFrontendDtmbCapabilities;
-using ::aidl::android::media::tv::tuner::TunerFrontendInfo;
+using ::aidl::android::hardware::tv::tuner::BnFilterCallback;
+using ::aidl::android::hardware::tv::tuner::DemuxCapabilities;
+using ::aidl::android::hardware::tv::tuner::DemuxFilterEvent;
+using ::aidl::android::hardware::tv::tuner::DemuxFilterStatus;
+using ::aidl::android::hardware::tv::tuner::FrontendInfo;
+using ::aidl::android::hardware::tv::tuner::ITuner;
 using ::aidl::android::media::tv::tunerresourcemanager::ITunerResourceManager;
 
-using ::android::hardware::details::logError;
-using ::android::hardware::hidl_vec;
-using ::android::hardware::kSynchronizedReadWrite;
-using ::android::hardware::EventFlag;
-using ::android::hardware::MessageQueue;
-using ::android::hardware::MQDescriptorSync;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::hardware::tv::tuner::V1_0::DemuxCapabilities;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterAvSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterEvent;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterMainType;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterStatus;
-using ::android::hardware::tv::tuner::V1_0::DemuxFilterType;
-using ::android::hardware::tv::tuner::V1_0::DemuxTsFilterSettings;
-using ::android::hardware::tv::tuner::V1_0::DemuxTsFilterType;
-using ::android::hardware::tv::tuner::V1_0::FrontendId;
-using ::android::hardware::tv::tuner::V1_0::FrontendInfo;
-using ::android::hardware::tv::tuner::V1_0::IDemux;
-using ::android::hardware::tv::tuner::V1_0::IDescrambler;
-using ::android::hardware::tv::tuner::V1_0::IFilter;
-using ::android::hardware::tv::tuner::V1_0::IFilterCallback;
-using ::android::hardware::tv::tuner::V1_0::ITuner;
-using ::android::hardware::tv::tuner::V1_0::Result;
-
-using Status = ::ndk::ScopedAStatus;
-
 using namespace std;
 
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
 const static int TUNER_HAL_VERSION_UNKNOWN = 0;
 const static int TUNER_HAL_VERSION_1_0 = 1 << 16;
 const static int TUNER_HAL_VERSION_1_1 = (1 << 16) | 1;
+const static int TUNER_HAL_VERSION_2_0 = 2 << 16;
 // System Feature defined in PackageManager
 static const ::android::String16 FEATURE_TUNER(::android::String16("android.hardware.tv.tuner"));
 
@@ -82,40 +54,40 @@
     DESCRAMBLER,
 } TunerResourceType;
 
-struct FilterCallback : public IFilterCallback {
+struct FilterCallback : public BnFilterCallback {
     ~FilterCallback() {}
-    Return<void> onFilterEvent(const DemuxFilterEvent&) {
-        return Void();
+    virtual ::ndk::ScopedAStatus onFilterEvent(
+            const vector<DemuxFilterEvent>& /* events */) override {
+        return ::ndk::ScopedAStatus::ok();
     }
-    Return<void> onFilterStatus(const DemuxFilterStatus) {
-        return Void();
+
+    virtual ::ndk::ScopedAStatus onFilterStatus(const DemuxFilterStatus /*status*/) override {
+        return ::ndk::ScopedAStatus::ok();
     }
 };
 
 class TunerService : public BnTunerService {
-    typedef AidlMessageQueue<int8_t, SynchronizedReadWrite> AidlMessageQueue;
-    typedef MessageQueue<uint8_t, kSynchronizedReadWrite> HidlMessageQueue;
-    typedef MQDescriptor<int8_t, SynchronizedReadWrite> AidlMQDesc;
-
 public:
     static char const *getServiceName() { return "media.tuner"; }
     static binder_status_t instantiate();
     TunerService();
     virtual ~TunerService();
 
-    Status getFrontendIds(vector<int32_t>* ids) override;
-    Status getFrontendInfo(int32_t id, TunerFrontendInfo* _aidl_return) override;
-    Status getFrontendDtmbCapabilities(
-            int32_t id, TunerFrontendDtmbCapabilities* _aidl_return) override;
-    Status openFrontend(
-            int32_t frontendHandle, shared_ptr<ITunerFrontend>* _aidl_return) override;
-    Status openLnb(int lnbHandle, shared_ptr<ITunerLnb>* _aidl_return) override;
-    Status openLnbByName(const string& lnbName, shared_ptr<ITunerLnb>* _aidl_return) override;
-    Status openDemux(int32_t demuxHandle, std::shared_ptr<ITunerDemux>* _aidl_return) override;
-    Status getDemuxCaps(TunerDemuxCapabilities* _aidl_return) override;
-    Status openDescrambler(int32_t descramblerHandle,
-            std::shared_ptr<ITunerDescrambler>* _aidl_return) override;
-    Status getTunerHalVersion(int* _aidl_return) override;
+    ::ndk::ScopedAStatus getFrontendIds(vector<int32_t>* out_ids) override;
+    ::ndk::ScopedAStatus getFrontendInfo(int32_t in_frontendHandle,
+                                         FrontendInfo* _aidl_return) override;
+    ::ndk::ScopedAStatus openFrontend(int32_t in_frontendHandle,
+                                      shared_ptr<ITunerFrontend>* _aidl_return) override;
+    ::ndk::ScopedAStatus openLnb(int32_t in_lnbHandle,
+                                 shared_ptr<ITunerLnb>* _aidl_return) override;
+    ::ndk::ScopedAStatus openLnbByName(const string& in_lnbName,
+                                       shared_ptr<ITunerLnb>* _aidl_return) override;
+    ::ndk::ScopedAStatus openDemux(int32_t in_demuxHandle,
+                                   shared_ptr<ITunerDemux>* _aidl_return) override;
+    ::ndk::ScopedAStatus getDemuxCaps(DemuxCapabilities* _aidl_return) override;
+    ::ndk::ScopedAStatus openDescrambler(int32_t in_descramblerHandle,
+                                         shared_ptr<ITunerDescrambler>* _aidl_return) override;
+    ::ndk::ScopedAStatus getTunerHalVersion(int32_t* _aidl_return) override;
 
     // TODO: create a map between resource id and handles.
     static int getResourceIdFromHandle(int resourceHandle, int /*type*/) {
@@ -131,27 +103,21 @@
 
 private:
     bool hasITuner();
-    bool hasITuner_1_1();
     void updateTunerResources();
-
     void updateFrontendResources();
     void updateLnbResources();
-    Result getHidlFrontendIds(hidl_vec<FrontendId>& ids);
-    Result getHidlFrontendInfo(int id, FrontendInfo& info);
-    vector<int> getLnbHandles();
+    vector<int32_t> getLnbHandles();
 
-    TunerDemuxCapabilities getAidlDemuxCaps(DemuxCapabilities caps);
-    TunerFrontendInfo convertToAidlFrontendInfo(FrontendInfo halInfo);
-
-    sp<ITuner> mTuner;
-    sp<::android::hardware::tv::tuner::V1_1::ITuner> mTuner_1_1;
-
+    shared_ptr<ITuner> mTuner;
     shared_ptr<ITunerResourceManager> mTunerResourceManager;
     int mResourceRequestCount = 0;
-
     int mTunerVersion = TUNER_HAL_VERSION_UNKNOWN;
 };
 
-} // namespace android
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
+}  // namespace android
+}  // namespace aidl
 
 #endif // ANDROID_MEDIA_TUNERSERVICE_H
diff --git a/services/tuner/TunerTimeFilter.cpp b/services/tuner/TunerTimeFilter.cpp
index ea9da30..73cd6b4 100644
--- a/services/tuner/TunerTimeFilter.cpp
+++ b/services/tuner/TunerTimeFilter.cpp
@@ -18,97 +18,91 @@
 
 #include "TunerTimeFilter.h"
 
-using ::android::hardware::tv::tuner::V1_0::Result;
-using ::android::hardware::tv::tuner::V1_1::Constant64Bit;
+#include <aidl/android/hardware/tv/tuner/Constant64Bit.h>
+#include <aidl/android/hardware/tv/tuner/Result.h>
 
+using ::aidl::android::hardware::tv::tuner::Constant64Bit;
+using ::aidl::android::hardware::tv::tuner::Result;
+
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
-TunerTimeFilter::TunerTimeFilter(sp<ITimeFilter> timeFilter) {
+TunerTimeFilter::TunerTimeFilter(shared_ptr<ITimeFilter> timeFilter) {
     mTimeFilter = timeFilter;
 }
 
 TunerTimeFilter::~TunerTimeFilter() {
-    mTimeFilter = NULL;
+    mTimeFilter = nullptr;
 }
 
-Status TunerTimeFilter::setTimeStamp(int64_t timeStamp) {
-    if (mTimeFilter == NULL) {
+::ndk::ScopedAStatus TunerTimeFilter::setTimeStamp(int64_t timeStamp) {
+    if (mTimeFilter == nullptr) {
         ALOGE("ITimeFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status = mTimeFilter->setTimeStamp(timeStamp);
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
-    }
-    return Status::ok();
+    return mTimeFilter->setTimeStamp(timeStamp);
 }
 
-Status TunerTimeFilter::clearTimeStamp() {
-    if (mTimeFilter == NULL) {
+::ndk::ScopedAStatus TunerTimeFilter::clearTimeStamp() {
+    if (mTimeFilter == nullptr) {
         ALOGE("ITimeFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status = mTimeFilter->clearTimeStamp();
-    if (status != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
-    }
-    return Status::ok();
+    return mTimeFilter->clearTimeStamp();
 }
 
-Status TunerTimeFilter::getSourceTime(int64_t* _aidl_return) {
-    if (mTimeFilter == NULL) {
+::ndk::ScopedAStatus TunerTimeFilter::getSourceTime(int64_t* _aidl_return) {
+    if (mTimeFilter == nullptr) {
         *_aidl_return = (int64_t)Constant64Bit::INVALID_PRESENTATION_TIME_STAMP;
         ALOGE("ITimeFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status;
-    mTimeFilter->getSourceTime(
-            [&](Result r, uint64_t t) {
-                status = r;
-                *_aidl_return = t;
-            });
-    if (status != Result::SUCCESS) {
+    auto status = mTimeFilter->getSourceTime(_aidl_return);
+    if (!status.isOk()) {
         *_aidl_return = (int64_t)Constant64Bit::INVALID_PRESENTATION_TIME_STAMP;
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
     }
-    return Status::ok();
+    return status;
 }
 
-Status TunerTimeFilter::getTimeStamp(int64_t* _aidl_return) {
-    if (mTimeFilter == NULL) {
+::ndk::ScopedAStatus TunerTimeFilter::getTimeStamp(int64_t* _aidl_return) {
+    if (mTimeFilter == nullptr) {
         *_aidl_return = (int64_t)Constant64Bit::INVALID_PRESENTATION_TIME_STAMP;
         ALOGE("ITimeFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result status;
-    mTimeFilter->getTimeStamp(
-            [&](Result r, uint64_t t) {
-                status = r;
-                *_aidl_return = t;
-            });
-    if (status != Result::SUCCESS) {
+    auto status = mTimeFilter->getTimeStamp(_aidl_return);
+    if (!status.isOk()) {
         *_aidl_return = (int64_t)Constant64Bit::INVALID_PRESENTATION_TIME_STAMP;
-        return Status::fromServiceSpecificError(static_cast<int32_t>(status));
     }
-    return Status::ok();
+    return status;
 }
 
-Status TunerTimeFilter::close() {
-    if (mTimeFilter == NULL) {
+::ndk::ScopedAStatus TunerTimeFilter::close() {
+    if (mTimeFilter == nullptr) {
         ALOGE("ITimeFilter is not initialized");
-        return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::UNAVAILABLE));
     }
 
-    Result res = mTimeFilter->close();
-    mTimeFilter = NULL;
+    auto status = mTimeFilter->close();
+    mTimeFilter = nullptr;
 
-    if (res != Result::SUCCESS) {
-        return Status::fromServiceSpecificError(static_cast<int32_t>(res));
-    }
-    return Status::ok();
+    return status;
 }
+
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
 }  // namespace android
+}  // namespace aidl
diff --git a/services/tuner/TunerTimeFilter.h b/services/tuner/TunerTimeFilter.h
index d675319..c111694 100644
--- a/services/tuner/TunerTimeFilter.h
+++ b/services/tuner/TunerTimeFilter.h
@@ -17,38 +17,41 @@
 #ifndef ANDROID_MEDIA_TUNERFTIMEFILTER_H
 #define ANDROID_MEDIA_TUNERFTIMEFILTER_H
 
+#include <aidl/android/hardware/tv/tuner/ITimeFilter.h>
 #include <aidl/android/media/tv/tuner/BnTunerTimeFilter.h>
-#include <android/hardware/tv/tuner/1.0/ITimeFilter.h>
-#include <android/hardware/tv/tuner/1.1/types.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <utils/Log.h>
 
-using Status = ::ndk::ScopedAStatus;
-using ::aidl::android::media::tv::tuner::BnTunerTimeFilter;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::hardware::hidl_vec;
-using ::android::hardware::tv::tuner::V1_0::ITimeFilter;
+using ::aidl::android::hardware::tv::tuner::ITimeFilter;
 
 using namespace std;
 
+namespace aidl {
 namespace android {
+namespace media {
+namespace tv {
+namespace tuner {
 
 class TunerTimeFilter : public BnTunerTimeFilter {
 
 public:
-    TunerTimeFilter(sp<ITimeFilter> timeFilter);
+    TunerTimeFilter(shared_ptr<ITimeFilter> timeFilter);
     virtual ~TunerTimeFilter();
-    Status setTimeStamp(int64_t timeStamp) override;
-    Status clearTimeStamp() override;
-    Status getSourceTime(int64_t* _aidl_return) override;
-    Status getTimeStamp(int64_t* _aidl_return) override;
-    Status close() override;
+
+    ::ndk::ScopedAStatus setTimeStamp(int64_t in_timeStamp) override;
+    ::ndk::ScopedAStatus clearTimeStamp() override;
+    ::ndk::ScopedAStatus getSourceTime(int64_t* _aidl_return) override;
+    ::ndk::ScopedAStatus getTimeStamp(int64_t* _aidl_return) override;
+    ::ndk::ScopedAStatus close() override;
 
 private:
-    sp<ITimeFilter> mTimeFilter;
+    shared_ptr<ITimeFilter> mTimeFilter;
 };
 
-} // namespace android
+}  // namespace tuner
+}  // namespace tv
+}  // namespace media
+}  // namespace android
+}  // namespace aidl
 
 #endif // ANDROID_MEDIA_TUNERFTIMEFILTER_H
diff --git a/services/tuner/main_tunerservice.cpp b/services/tuner/main_tunerservice.cpp
index 586a0e2..bda2f71 100644
--- a/services/tuner/main_tunerservice.cpp
+++ b/services/tuner/main_tunerservice.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * 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.
@@ -14,30 +14,27 @@
  * limitations under the License.
  */
 
-#include <utils/Log.h>
+#include <android-base/logging.h>
 #include <binder/IPCThreadState.h>
 #include <binder/IServiceManager.h>
-#include <binder/ProcessState.h>
-#include <hidl/HidlTransportSupport.h>
+#include <utils/Log.h>
 
 #include "TunerService.h"
 
+using ::aidl::android::media::tv::tuner::TunerService;
+
 using namespace android;
 
-int main(int argc __unused, char** argv) {
+int main() {
     ALOGD("Tuner service starting");
 
-    strcpy(argv[0], "media.tuner");
     sp<ProcessState> proc(ProcessState::self());
     sp<IServiceManager> sm = defaultServiceManager();
-    ALOGD("ServiceManager: %p", sm.get());
 
     binder_status_t status = TunerService::instantiate();
-    if (status != STATUS_OK) {
-        ALOGD("Failed to add tuner service as AIDL interface");
-        return -1;
-    }
+    CHECK(status == STATUS_OK);
 
     ProcessState::self()->startThreadPool();
     IPCThreadState::self()->joinThreadPool();
+    return EXIT_FAILURE;  // should not reached
 }