Merge "AudioFlinger: Do not dereference a nullptr for a reference" into udc-dev-plus-aosp
diff --git a/media/codec2/hal/client/Android.bp b/media/codec2/hal/client/Android.bp
index 38c5aa5..61ec10e 100644
--- a/media/codec2/hal/client/Android.bp
+++ b/media/codec2/hal/client/Android.bp
@@ -28,6 +28,10 @@
         "output.cpp",
     ],
 
+    defaults: [
+        "libcodec2-aidl-client-defaults",
+    ],
+
     header_libs: [
         "libcodec2_internal", // private
     ],
@@ -38,6 +42,7 @@
         "android.hardware.media.c2@1.0",
         "android.hardware.media.c2@1.1",
         "android.hardware.media.c2@1.2",
+        "android.hardware.media.c2-V1-ndk",
         "libbase",
         "libbinder",
         "libbinder_ndk",
diff --git a/media/codec2/hal/client/client.cpp b/media/codec2/hal/client/client.cpp
index 97c0806..00820eb 100644
--- a/media/codec2/hal/client/client.cpp
+++ b/media/codec2/hal/client/client.cpp
@@ -24,6 +24,7 @@
 #include <C2Config.h> // for C2StreamUsageTuning
 #include <C2PlatformSupport.h>
 
+#include <android/binder_auto_utils.h>
 #include <android/hardware/media/bufferpool/2.0/IClientManager.h>
 #include <android/hardware/media/c2/1.0/IComponent.h>
 #include <android/hardware/media/c2/1.0/IComponentInterface.h>
@@ -32,8 +33,18 @@
 #include <android/hardware/media/c2/1.0/IConfigurable.h>
 #include <android/hidl/manager/1.2/IServiceManager.h>
 
+#include <aidl/android/hardware/media/c2/FieldSupportedValues.h>
+#include <aidl/android/hardware/media/c2/FieldSupportedValuesQuery.h>
+#include <aidl/android/hardware/media/c2/FieldSupportedValuesQueryResult.h>
+#include <aidl/android/hardware/media/c2/IComponent.h>
+#include <aidl/android/hardware/media/c2/IComponentInterface.h>
+#include <aidl/android/hardware/media/c2/IComponentStore.h>
+#include <aidl/android/hardware/media/c2/IConfigurable.h>
+#include <aidl/android/hardware/media/c2/ParamDescriptor.h>
+
 #include <android-base/properties.h>
 #include <bufferpool/ClientManager.h>
+#include <codec2/aidl/ParamTypes.h>
 #include <codec2/hidl/1.0/types.h>
 #include <codec2/hidl/1.1/types.h>
 #include <codec2/hidl/1.2/types.h>
@@ -47,7 +58,6 @@
 #include <system/window.h> // for NATIVE_WINDOW_QUERY_*
 #include <media/stagefright/foundation/ADebug.h> // for asString(status_t)
 
-
 #include <deque>
 #include <iterator>
 #include <limits>
@@ -65,11 +75,6 @@
 using ::android::hardware::Return;
 using ::android::hardware::Void;
 
-using namespace ::android::hardware::media::c2::V1_1;
-using namespace ::android::hardware::media::c2::V1_1::utils;
-using namespace ::android::hardware::media::bufferpool::V2_0;
-using namespace ::android::hardware::media::bufferpool::V2_0::implementation;
-
 using HGraphicBufferProducer1 = ::android::hardware::graphics::bufferqueue::
         V1_0::IGraphicBufferProducer;
 using HGraphicBufferProducer2 = ::android::hardware::graphics::bufferqueue::
@@ -80,6 +85,13 @@
         V2_0::utils::H2BGraphicBufferProducer;
 using ::android::hardware::media::c2::V1_2::SurfaceSyncObj;
 
+namespace bufferpool_hidl = ::android::hardware::media::bufferpool::V2_0;
+namespace c2_aidl = ::aidl::android::hardware::media::c2;
+namespace c2_hidl_base = ::android::hardware::media::c2;
+namespace c2_hidl = ::android::hardware::media::c2::V1_2;
+
+using c2_hidl::utils::operator<<;
+
 namespace /* unnamed */ {
 
 // c2_status_t value that corresponds to hwbinder transaction failure.
@@ -254,15 +266,43 @@
         return sCaches;
     }
 };
+// Codec2ConfigurableClient::HidlImpl
 
-// Codec2ConfigurableClient
+struct Codec2ConfigurableClient::HidlImpl : public Codec2ConfigurableClient::ImplBase {
+    typedef c2_hidl::IConfigurable Base;
 
-const C2String& Codec2ConfigurableClient::getName() const {
-    return mName;
-}
+    // base cannot be null.
+    explicit HidlImpl(const sp<Base>& base);
 
-Codec2ConfigurableClient::Codec2ConfigurableClient(
-        const sp<IConfigurable>& base)
+    const C2String& getName() const override {
+        return mName;
+    }
+
+    c2_status_t query(
+            const std::vector<C2Param*>& stackParams,
+            const std::vector<C2Param::Index> &heapParamIndices,
+            c2_blocking_t mayBlock,
+            std::vector<std::unique_ptr<C2Param>>* const heapParams) const override;
+
+    c2_status_t config(
+            const std::vector<C2Param*> &params,
+            c2_blocking_t mayBlock,
+            std::vector<std::unique_ptr<C2SettingResult>>* const failures) override;
+
+    c2_status_t querySupportedParams(
+            std::vector<std::shared_ptr<C2ParamDescriptor>>* const params
+            ) const override;
+
+    c2_status_t querySupportedValues(
+            std::vector<C2FieldSupportedValuesQuery>& fields,
+            c2_blocking_t mayBlock) const override;
+
+private:
+    sp<Base> mBase;
+    const C2String mName;
+};
+
+Codec2ConfigurableClient::HidlImpl::HidlImpl(const sp<Base>& base)
       : mBase{base},
         mName{[base]() -> C2String {
                 C2String outName;
@@ -274,12 +314,12 @@
             }()} {
 }
 
-c2_status_t Codec2ConfigurableClient::query(
+c2_status_t Codec2ConfigurableClient::HidlImpl::query(
         const std::vector<C2Param*> &stackParams,
         const std::vector<C2Param::Index> &heapParamIndices,
         c2_blocking_t mayBlock,
         std::vector<std::unique_ptr<C2Param>>* const heapParams) const {
-    hidl_vec<ParamIndex> indices(
+    hidl_vec<c2_hidl::ParamIndex> indices(
             stackParams.size() + heapParamIndices.size());
     size_t numIndices = 0;
     for (C2Param* const& stackParam : stackParams) {
@@ -287,12 +327,12 @@
             LOG(WARNING) << "query -- null stack param encountered.";
             continue;
         }
-        indices[numIndices++] = static_cast<ParamIndex>(stackParam->index());
+        indices[numIndices++] = static_cast<c2_hidl::ParamIndex>(stackParam->index());
     }
     size_t numStackIndices = numIndices;
     for (const C2Param::Index& index : heapParamIndices) {
         indices[numIndices++] =
-                static_cast<ParamIndex>(static_cast<uint32_t>(index));
+                static_cast<c2_hidl::ParamIndex>(static_cast<uint32_t>(index));
     }
     indices.resize(numIndices);
     if (heapParams) {
@@ -303,7 +343,7 @@
             indices,
             mayBlock == C2_MAY_BLOCK,
             [&status, &numStackIndices, &stackParams, heapParams](
-                    Status s, const Params& p) {
+                    c2_hidl::Status s, const c2_hidl::Params& p) {
                 status = static_cast<c2_status_t>(s);
                 if (status != C2_OK && status != C2_BAD_INDEX) {
                     LOG(DEBUG) << "query -- call failed: "
@@ -311,7 +351,7 @@
                     return;
                 }
                 std::vector<C2Param*> paramPointers;
-                if (!parseParamsBlob(&paramPointers, p)) {
+                if (!c2_hidl::utils::parseParamsBlob(&paramPointers, p)) {
                     LOG(ERROR) << "query -- error while parsing params.";
                     status = C2_CORRUPTED;
                     return;
@@ -371,12 +411,12 @@
     return status;
 }
 
-c2_status_t Codec2ConfigurableClient::config(
+c2_status_t Codec2ConfigurableClient::HidlImpl::config(
         const std::vector<C2Param*> &params,
         c2_blocking_t mayBlock,
         std::vector<std::unique_ptr<C2SettingResult>>* const failures) {
-    Params hidlParams;
-    if (!createParamsBlob(&hidlParams, params)) {
+    c2_hidl::Params hidlParams;
+    if (!c2_hidl::utils::createParamsBlob(&hidlParams, params)) {
         LOG(ERROR) << "config -- bad input.";
         return C2_TRANSACTION_FAILED;
     }
@@ -385,9 +425,9 @@
             hidlParams,
             mayBlock == C2_MAY_BLOCK,
             [&status, &params, failures](
-                    Status s,
-                    const hidl_vec<SettingResult> f,
-                    const Params& o) {
+                    c2_hidl::Status s,
+                    const hidl_vec<c2_hidl::SettingResult> f,
+                    const c2_hidl::Params& o) {
                 status = static_cast<c2_status_t>(s);
                 if (status != C2_OK && status != C2_BAD_INDEX) {
                     LOG(DEBUG) << "config -- call failed: "
@@ -395,14 +435,14 @@
                 }
                 size_t i = failures->size();
                 failures->resize(i + f.size());
-                for (const SettingResult& sf : f) {
-                    if (!objcpy(&(*failures)[i++], sf)) {
+                for (const c2_hidl::SettingResult& sf : f) {
+                    if (!c2_hidl::utils::objcpy(&(*failures)[i++], sf)) {
                         LOG(ERROR) << "config -- "
                                    << "invalid SettingResult returned.";
                         return;
                     }
                 }
-                if (!updateParamsFromBlob(params, o)) {
+                if (!c2_hidl::utils::updateParamsFromBlob(params, o)) {
                     LOG(ERROR) << "config -- "
                                << "failed to parse returned params.";
                     status = C2_CORRUPTED;
@@ -415,7 +455,7 @@
     return status;
 }
 
-c2_status_t Codec2ConfigurableClient::querySupportedParams(
+c2_status_t Codec2ConfigurableClient::HidlImpl::querySupportedParams(
         std::vector<std::shared_ptr<C2ParamDescriptor>>* const params) const {
     // TODO: Cache and query properly!
     c2_status_t status;
@@ -423,8 +463,8 @@
             std::numeric_limits<uint32_t>::min(),
             std::numeric_limits<uint32_t>::max(),
             [&status, params](
-                    Status s,
-                    const hidl_vec<ParamDescriptor>& p) {
+                    c2_hidl::Status s,
+                    const hidl_vec<c2_hidl::ParamDescriptor>& p) {
                 status = static_cast<c2_status_t>(s);
                 if (status != C2_OK) {
                     LOG(DEBUG) << "querySupportedParams -- call failed: "
@@ -433,8 +473,8 @@
                 }
                 size_t i = params->size();
                 params->resize(i + p.size());
-                for (const ParamDescriptor& sp : p) {
-                    if (!objcpy(&(*params)[i++], sp)) {
+                for (const c2_hidl::ParamDescriptor& sp : p) {
+                    if (!c2_hidl::utils::objcpy(&(*params)[i++], sp)) {
                         LOG(ERROR) << "querySupportedParams -- "
                                    << "invalid returned ParamDescriptor.";
                         return;
@@ -448,12 +488,12 @@
     return status;
 }
 
-c2_status_t Codec2ConfigurableClient::querySupportedValues(
+c2_status_t Codec2ConfigurableClient::HidlImpl::querySupportedValues(
         std::vector<C2FieldSupportedValuesQuery>& fields,
         c2_blocking_t mayBlock) const {
-    hidl_vec<FieldSupportedValuesQuery> inFields(fields.size());
+    hidl_vec<c2_hidl::FieldSupportedValuesQuery> inFields(fields.size());
     for (size_t i = 0; i < fields.size(); ++i) {
-        if (!objcpy(&inFields[i], fields[i])) {
+        if (!c2_hidl::utils::objcpy(&inFields[i], fields[i])) {
             LOG(ERROR) << "querySupportedValues -- bad input";
             return C2_TRANSACTION_FAILED;
         }
@@ -464,8 +504,8 @@
             inFields,
             mayBlock == C2_MAY_BLOCK,
             [&status, &inFields, &fields](
-                    Status s,
-                    const hidl_vec<FieldSupportedValuesQueryResult>& r) {
+                    c2_hidl::Status s,
+                    const hidl_vec<c2_hidl::FieldSupportedValuesQueryResult>& r) {
                 status = static_cast<c2_status_t>(s);
                 if (status != C2_OK) {
                     LOG(DEBUG) << "querySupportedValues -- call failed: "
@@ -480,7 +520,7 @@
                     return;
                 }
                 for (size_t i = 0; i < fields.size(); ++i) {
-                    if (!objcpy(&fields[i], inFields[i], r[i])) {
+                    if (!c2_hidl::utils::objcpy(&fields[i], inFields[i], r[i])) {
                         LOG(ERROR) << "querySupportedValues -- "
                                       "invalid returned value.";
                         status = C2_CORRUPTED;
@@ -495,14 +535,304 @@
     return status;
 }
 
+// Codec2ConfigurableClient::AidlImpl
+
+struct Codec2ConfigurableClient::AidlImpl : public Codec2ConfigurableClient::ImplBase {
+    typedef c2_aidl::IConfigurable Base;
+
+    // base cannot be null.
+    explicit AidlImpl(const std::shared_ptr<Base>& base);
+
+    const C2String& getName() const override {
+        return mName;
+    }
+
+    c2_status_t query(
+            const std::vector<C2Param*>& stackParams,
+            const std::vector<C2Param::Index> &heapParamIndices,
+            c2_blocking_t mayBlock,
+            std::vector<std::unique_ptr<C2Param>>* const heapParams) const override;
+
+    c2_status_t config(
+            const std::vector<C2Param*> &params,
+            c2_blocking_t mayBlock,
+            std::vector<std::unique_ptr<C2SettingResult>>* const failures) override;
+
+    c2_status_t querySupportedParams(
+            std::vector<std::shared_ptr<C2ParamDescriptor>>* const params
+            ) const override;
+
+    c2_status_t querySupportedValues(
+            std::vector<C2FieldSupportedValuesQuery>& fields,
+            c2_blocking_t mayBlock) const override;
+
+private:
+    std::shared_ptr<Base> mBase;
+    const C2String mName;
+};
+
+Codec2ConfigurableClient::AidlImpl::AidlImpl(const std::shared_ptr<Base>& base)
+      : mBase{base},
+        mName{[base]() -> C2String {
+                std::string outName;
+                ndk::ScopedAStatus status = base->getName(&outName);
+                return status.isOk() ? outName : "";
+            }()} {
+}
+
+c2_status_t Codec2ConfigurableClient::AidlImpl::query(
+        const std::vector<C2Param*> &stackParams,
+        const std::vector<C2Param::Index> &heapParamIndices,
+        c2_blocking_t mayBlock,
+        std::vector<std::unique_ptr<C2Param>>* const heapParams) const {
+    std::vector<int> indices(
+            stackParams.size() + heapParamIndices.size());
+    size_t numIndices = 0;
+    for (C2Param* const& stackParam : stackParams) {
+        if (!stackParam) {
+            LOG(WARNING) << "query -- null stack param encountered.";
+            continue;
+        }
+        indices[numIndices++] = int(stackParam->index());
+    }
+    size_t numStackIndices = numIndices;
+    for (const C2Param::Index& index : heapParamIndices) {
+        indices[numIndices++] = int(static_cast<uint32_t>(index));
+    }
+    indices.resize(numIndices);
+    if (heapParams) {
+        heapParams->reserve(heapParams->size() + numIndices);
+    }
+    c2_aidl::Params result;
+    ndk::ScopedAStatus transStatus = mBase->query(indices, (mayBlock == C2_MAY_BLOCK), &result);
+    if (!transStatus.isOk()) {
+        if (transStatus.getExceptionCode() == EX_SERVICE_SPECIFIC) {
+            c2_status_t status = static_cast<c2_status_t>(transStatus.getServiceSpecificError());
+            LOG(DEBUG) << "query -- call failed: " << status << ".";
+            return status;
+        } else {
+            LOG(ERROR) << "query -- transaction failed.";
+            return C2_TRANSACTION_FAILED;
+        }
+    }
+
+    c2_status_t status = C2_OK;
+    std::vector<C2Param*> paramPointers;
+    if (!c2_aidl::utils::ParseParamsBlob(&paramPointers, result)) {
+        LOG(ERROR) << "query -- error while parsing params.";
+        return C2_CORRUPTED;
+    }
+    size_t i = 0;
+    for (auto it = paramPointers.begin();
+            it != paramPointers.end(); ) {
+        C2Param* paramPointer = *it;
+        if (numStackIndices > 0) {
+            --numStackIndices;
+            if (!paramPointer) {
+                LOG(DEBUG) << "query -- null stack param.";
+                ++it;
+                continue;
+            }
+            for (; i < stackParams.size() && !stackParams[i]; ) {
+                ++i;
+            }
+            if (i >= stackParams.size()) {
+                LOG(ERROR) << "query -- unexpected error.";
+                status = C2_CORRUPTED;
+                break;
+            }
+            if (stackParams[i]->index() != paramPointer->index()) {
+                LOG(DEBUG) << "query -- param skipped: "
+                              "index = "
+                           << stackParams[i]->index() << ".";
+                stackParams[i++]->invalidate();
+                // this means that the param could not be queried.
+                // signalling C2_BAD_INDEX to the client.
+                status = C2_BAD_INDEX;
+                continue;
+            }
+            if (!stackParams[i++]->updateFrom(*paramPointer)) {
+                LOG(WARNING) << "query -- param update failed: "
+                                "index = "
+                             << paramPointer->index() << ".";
+            }
+        } else {
+            if (!paramPointer) {
+                LOG(DEBUG) << "query -- null heap param.";
+                ++it;
+                continue;
+            }
+            if (!heapParams) {
+                LOG(WARNING) << "query -- "
+                                "unexpected extra stack param.";
+            } else {
+                heapParams->emplace_back(C2Param::Copy(*paramPointer));
+            }
+        }
+        ++it;
+    }
+    return status;
+}
+
+c2_status_t Codec2ConfigurableClient::AidlImpl::config(
+        const std::vector<C2Param*> &params,
+        c2_blocking_t mayBlock,
+        std::vector<std::unique_ptr<C2SettingResult>>* const failures) {
+    c2_aidl::Params aidlParams;
+    if (!c2_aidl::utils::CreateParamsBlob(&aidlParams, params)) {
+        LOG(ERROR) << "config -- bad input.";
+        return C2_TRANSACTION_FAILED;
+    }
+    c2_aidl::IConfigurable::ConfigResult result;
+    ndk::ScopedAStatus transStatus = mBase->config(aidlParams, (mayBlock == C2_MAY_BLOCK), &result);
+    if (!transStatus.isOk()) {
+        if (transStatus.getExceptionCode() == EX_SERVICE_SPECIFIC) {
+            c2_status_t status = static_cast<c2_status_t>(transStatus.getServiceSpecificError());
+            LOG(DEBUG) << "config -- call failed: " << status << ".";
+            return status;
+        } else {
+            LOG(ERROR) << "config -- transaction failed.";
+            return C2_TRANSACTION_FAILED;
+        }
+    }
+    c2_status_t status = C2_OK;
+    size_t i = failures->size();
+    failures->resize(i + result.failures.size());
+    for (const c2_aidl::SettingResult& sf : result.failures) {
+        if (!c2_aidl::utils::FromAidl(&(*failures)[i++], sf)) {
+            LOG(ERROR) << "config -- invalid SettingResult returned.";
+            return C2_CORRUPTED;
+        }
+    }
+    if (!c2_aidl::utils::UpdateParamsFromBlob(params, result.params)) {
+        LOG(ERROR) << "config -- "
+                   << "failed to parse returned params.";
+        status = C2_CORRUPTED;
+    }
+    return status;
+}
+
+c2_status_t Codec2ConfigurableClient::AidlImpl::querySupportedParams(
+        std::vector<std::shared_ptr<C2ParamDescriptor>>* const params) const {
+    // TODO: Cache and query properly!
+    std::vector<c2_aidl::ParamDescriptor> result;
+    ndk::ScopedAStatus transStatus = mBase->querySupportedParams(
+            std::numeric_limits<uint32_t>::min(),
+            std::numeric_limits<uint32_t>::max(),
+            &result);
+    if (!transStatus.isOk()) {
+        if (transStatus.getExceptionCode() == EX_SERVICE_SPECIFIC) {
+            c2_status_t status = static_cast<c2_status_t>(transStatus.getServiceSpecificError());
+            LOG(DEBUG) << "querySupportedParams -- call failed: " << status << ".";
+            return status;
+        } else {
+            LOG(ERROR) << "querySupportedParams -- transaction failed.";
+            return C2_TRANSACTION_FAILED;
+        }
+    }
+    c2_status_t status = C2_OK;
+    size_t i = params->size();
+    params->resize(i + result.size());
+    for (const c2_aidl::ParamDescriptor& sp : result) {
+        if (!c2_aidl::utils::FromAidl(&(*params)[i++], sp)) {
+            LOG(ERROR) << "querySupportedParams -- invalid returned ParamDescriptor.";
+            return C2_CORRUPTED;
+        }
+    }
+    return status;
+}
+
+c2_status_t Codec2ConfigurableClient::AidlImpl::querySupportedValues(
+        std::vector<C2FieldSupportedValuesQuery>& fields,
+        c2_blocking_t mayBlock) const {
+    std::vector<c2_aidl::FieldSupportedValuesQuery> inFields(fields.size());
+    for (size_t i = 0; i < fields.size(); ++i) {
+        if (!c2_aidl::utils::ToAidl(&inFields[i], fields[i])) {
+            LOG(ERROR) << "querySupportedValues -- bad input";
+            return C2_TRANSACTION_FAILED;
+        }
+    }
+
+    std::vector<c2_aidl::FieldSupportedValuesQueryResult> result;
+    ndk::ScopedAStatus transStatus = mBase->querySupportedValues(
+            inFields, (mayBlock == C2_MAY_BLOCK), &result);
+    if (!transStatus.isOk()) {
+        if (transStatus.getExceptionCode() == EX_SERVICE_SPECIFIC) {
+            c2_status_t status = static_cast<c2_status_t>(transStatus.getServiceSpecificError());
+            LOG(DEBUG) << "querySupportedValues -- call failed: " << status << ".";
+            return status;
+        } else {
+            LOG(ERROR) << "querySupportedValues -- transaction failed.";
+            return C2_TRANSACTION_FAILED;
+        }
+    }
+    c2_status_t status = C2_OK;
+    if (result.size() != fields.size()) {
+        LOG(ERROR) << "querySupportedValues -- "
+                      "input and output lists "
+                      "have different sizes.";
+        return C2_CORRUPTED;
+    }
+    for (size_t i = 0; i < fields.size(); ++i) {
+        if (!c2_aidl::utils::FromAidl(&fields[i], inFields[i], result[i])) {
+            LOG(ERROR) << "querySupportedValues -- "
+                          "invalid returned value.";
+            return C2_CORRUPTED;
+        }
+    }
+    return status;
+}
+
+// Codec2ConfigurableClient
+
+Codec2ConfigurableClient::Codec2ConfigurableClient(const sp<HidlBase> &hidlBase)
+    : mImpl(new Codec2ConfigurableClient::HidlImpl(hidlBase)) {
+}
+
+Codec2ConfigurableClient::Codec2ConfigurableClient(
+        const std::shared_ptr<AidlBase> &aidlBase)
+    : mImpl(new Codec2ConfigurableClient::AidlImpl(aidlBase)) {
+}
+
+const C2String& Codec2ConfigurableClient::getName() const {
+    return mImpl->getName();
+}
+
+c2_status_t Codec2ConfigurableClient::query(
+        const std::vector<C2Param*>& stackParams,
+        const std::vector<C2Param::Index> &heapParamIndices,
+        c2_blocking_t mayBlock,
+        std::vector<std::unique_ptr<C2Param>>* const heapParams) const {
+    return mImpl->query(stackParams, heapParamIndices, mayBlock, heapParams);
+}
+
+c2_status_t Codec2ConfigurableClient::config(
+        const std::vector<C2Param*> &params,
+        c2_blocking_t mayBlock,
+        std::vector<std::unique_ptr<C2SettingResult>>* const failures) {
+    return mImpl->config(params, mayBlock, failures);
+}
+
+c2_status_t Codec2ConfigurableClient::querySupportedParams(
+        std::vector<std::shared_ptr<C2ParamDescriptor>>* const params) const {
+    return mImpl->querySupportedParams(params);
+}
+
+c2_status_t Codec2ConfigurableClient::querySupportedValues(
+        std::vector<C2FieldSupportedValuesQuery>& fields,
+        c2_blocking_t mayBlock) const {
+    return mImpl->querySupportedValues(fields, mayBlock);
+}
+
+
 // Codec2Client::Component::HidlListener
-struct Codec2Client::Component::HidlListener : public IComponentListener {
+struct Codec2Client::Component::HidlListener : public c2_hidl::IComponentListener {
     std::weak_ptr<Component> component;
     std::weak_ptr<Listener> base;
 
-    virtual Return<void> onWorkDone(const WorkBundle& workBundle) override {
+    virtual Return<void> onWorkDone(const c2_hidl::WorkBundle& workBundle) override {
         std::list<std::unique_ptr<C2Work>> workItems;
-        if (!objcpy(&workItems, workBundle)) {
+        if (!c2_hidl::utils::objcpy(&workItems, workBundle)) {
             LOG(DEBUG) << "onWorkDone -- received corrupted WorkBundle.";
             return Void();
         }
@@ -521,12 +851,12 @@
     }
 
     virtual Return<void> onTripped(
-            const hidl_vec<SettingResult>& settingResults) override {
+            const hidl_vec<c2_hidl::SettingResult>& settingResults) override {
         std::vector<std::shared_ptr<C2SettingResult>> c2SettingResults(
                 settingResults.size());
         for (size_t i = 0; i < settingResults.size(); ++i) {
             std::unique_ptr<C2SettingResult> c2SettingResult;
-            if (!objcpy(&c2SettingResult, settingResults[i])) {
+            if (!c2_hidl::utils::objcpy(&c2SettingResult, settingResults[i])) {
                 LOG(DEBUG) << "onTripped -- received corrupted SettingResult.";
                 return Void();
             }
@@ -540,13 +870,13 @@
         return Void();
     }
 
-    virtual Return<void> onError(Status s, uint32_t errorCode) override {
+    virtual Return<void> onError(c2_hidl::Status s, uint32_t errorCode) override {
         LOG(DEBUG) << "onError --"
                    << " status = " << s
                    << ", errorCode = " << errorCode
                    << ".";
         if (std::shared_ptr<Listener> listener = base.lock()) {
-            listener->onError(component, s == Status::OK ?
+            listener->onError(component, s == c2_hidl::Status::OK ?
                     errorCode : static_cast<c2_status_t>(s));
         } else {
             LOG(DEBUG) << "onError -- listener died.";
@@ -610,18 +940,18 @@
 
 // Codec2Client
 Codec2Client::Codec2Client(sp<Base> const& base,
-                           sp<IConfigurable> const& configurable,
+                           sp<c2_hidl::IConfigurable> const& configurable,
                            size_t serviceIndex)
       : Configurable{configurable},
         mBase1_0{base},
         mBase1_1{Base1_1::castFrom(base)},
         mBase1_2{Base1_2::castFrom(base)},
         mServiceIndex{serviceIndex} {
-    Return<sp<IClientManager>> transResult = base->getPoolClientManager();
+    Return<sp<bufferpool_hidl::IClientManager>> transResult = base->getPoolClientManager();
     if (!transResult.isOk()) {
         LOG(ERROR) << "getPoolClientManager -- transaction failed.";
     } else {
-        mHostPoolManager = static_cast<sp<IClientManager>>(transResult);
+        mHostPoolManager = static_cast<sp<bufferpool_hidl::IClientManager>>(transResult);
     }
 }
 
@@ -658,10 +988,10 @@
         transStatus = mBase1_2->createComponent_1_2(
             name,
             hidlListener,
-            ClientManager::getInstance(),
+            bufferpool_hidl::implementation::ClientManager::getInstance(),
             [&status, component, hidlListener](
-                    Status s,
-                    const sp<IComponent>& c) {
+                    c2_hidl::Status s,
+                    const sp<c2_hidl::IComponent>& c) {
                 status = static_cast<c2_status_t>(s);
                 if (status != C2_OK) {
                     return;
@@ -674,10 +1004,10 @@
         transStatus = mBase1_1->createComponent_1_1(
             name,
             hidlListener,
-            ClientManager::getInstance(),
+            bufferpool_hidl::implementation::ClientManager::getInstance(),
             [&status, component, hidlListener](
-                    Status s,
-                    const sp<IComponent>& c) {
+                    c2_hidl::Status s,
+                    const sp<c2_hidl_base::V1_1::IComponent>& c) {
                 status = static_cast<c2_status_t>(s);
                 if (status != C2_OK) {
                     return;
@@ -689,10 +1019,10 @@
         transStatus = mBase1_0->createComponent(
             name,
             hidlListener,
-            ClientManager::getInstance(),
+            bufferpool_hidl::implementation::ClientManager::getInstance(),
             [&status, component, hidlListener](
-                    Status s,
-                    const sp<hardware::media::c2::V1_0::IComponent>& c) {
+                    c2_hidl::Status s,
+                    const sp<c2_hidl_base::V1_0::IComponent>& c) {
                 status = static_cast<c2_status_t>(s);
                 if (status != C2_OK) {
                     return;
@@ -740,8 +1070,8 @@
     Return<void> transStatus = mBase1_0->createInterface(
             name,
             [&status, interface](
-                    Status s,
-                    const sp<IComponentInterface>& i) {
+                    c2_hidl::Status s,
+                    const sp<c2_hidl::IComponentInterface>& i) {
                 status = static_cast<c2_status_t>(s);
                 if (status != C2_OK) {
                     return;
@@ -771,8 +1101,8 @@
     c2_status_t status;
     Return<void> transStatus = mBase1_0->createInputSurface(
             [&status, inputSurface](
-                    Status s,
-                    const sp<IInputSurface>& i) {
+                    c2_hidl::Status s,
+                    const sp<c2_hidl::IInputSurface>& i) {
                 status = static_cast<c2_status_t>(s);
                 if (status != C2_OK) {
                     return;
@@ -798,16 +1128,16 @@
     std::vector<C2Component::Traits> traits;
     std::string const& serviceName = getServiceName();
     Return<void> transStatus = mBase1_0->listComponents(
-            [&traits, &serviceName](Status s,
-                   const hidl_vec<IComponentStore::ComponentTraits>& t) {
-                if (s != Status::OK) {
+            [&traits, &serviceName](c2_hidl::Status s,
+                   const hidl_vec<c2_hidl::IComponentStore::ComponentTraits>& t) {
+                if (s != c2_hidl::Status::OK) {
                     LOG(DEBUG) << "_listComponents -- call failed: "
                                << static_cast<c2_status_t>(s) << ".";
                     return;
                 }
                 traits.resize(t.size());
                 for (size_t i = 0; i < t.size(); ++i) {
-                    if (!objcpy(&traits[i], t[i])) {
+                    if (!c2_hidl::utils::objcpy(&traits[i], t[i])) {
                         LOG(ERROR) << "_listComponents -- corrupted output.";
                         return;
                     }
@@ -839,14 +1169,14 @@
     // should reflect the HAL API.
     struct SimpleParamReflector : public C2ParamReflector {
         virtual std::unique_ptr<C2StructDescriptor> describe(C2Param::CoreIndex coreIndex) const {
-            hidl_vec<ParamIndex> indices(1);
-            indices[0] = static_cast<ParamIndex>(coreIndex.coreIndex());
+            hidl_vec<c2_hidl::ParamIndex> indices(1);
+            indices[0] = static_cast<c2_hidl::ParamIndex>(coreIndex.coreIndex());
             std::unique_ptr<C2StructDescriptor> descriptor;
             Return<void> transStatus = mBase->getStructDescriptors(
                     indices,
                     [&descriptor](
-                            Status s,
-                            const hidl_vec<StructDescriptor>& sd) {
+                            c2_hidl::Status s,
+                            const hidl_vec<c2_hidl::StructDescriptor>& sd) {
                         c2_status_t status = static_cast<c2_status_t>(s);
                         if (status != C2_OK) {
                             LOG(DEBUG) << "SimpleParamReflector -- "
@@ -864,7 +1194,7 @@
                             descriptor.reset();
                             return;
                         }
-                        if (!objcpy(&descriptor, sd[0])) {
+                        if (!c2_hidl::utils::objcpy(&descriptor, sd[0])) {
                             LOG(DEBUG) << "SimpleParamReflector -- "
                                           "getStructDescriptors() returned "
                                           "corrupted data.";
@@ -1196,11 +1526,11 @@
 // Codec2Client::Interface
 Codec2Client::Interface::Interface(const sp<Base>& base)
       : Configurable{
-            [base]() -> sp<IConfigurable> {
-                Return<sp<IConfigurable>> transResult =
+            [base]() -> sp<c2_hidl::IConfigurable> {
+                Return<sp<c2_hidl::IConfigurable>> transResult =
                         base->getConfigurable();
                 return transResult.isOk() ?
-                        static_cast<sp<IConfigurable>>(transResult) :
+                        static_cast<sp<c2_hidl::IConfigurable>>(transResult) :
                         nullptr;
             }()
         },
@@ -1210,17 +1540,17 @@
 // Codec2Client::Component
 Codec2Client::Component::Component(const sp<Base>& base)
       : Configurable{
-            [base]() -> sp<IConfigurable> {
-                Return<sp<IComponentInterface>> transResult1 =
+            [base]() -> sp<c2_hidl::IConfigurable> {
+                Return<sp<c2_hidl::IComponentInterface>> transResult1 =
                         base->getInterface();
                 if (!transResult1.isOk()) {
                     return nullptr;
                 }
-                Return<sp<IConfigurable>> transResult2 =
-                        static_cast<sp<IComponentInterface>>(transResult1)->
+                Return<sp<c2_hidl::IConfigurable>> transResult2 =
+                        static_cast<sp<c2_hidl::IComponentInterface>>(transResult1)->
                         getConfigurable();
                 return transResult2.isOk() ?
-                        static_cast<sp<IConfigurable>>(transResult2) :
+                        static_cast<sp<c2_hidl::IConfigurable>>(transResult2) :
                         nullptr;
             }()
         },
@@ -1233,17 +1563,17 @@
 
 Codec2Client::Component::Component(const sp<Base1_1>& base)
       : Configurable{
-            [base]() -> sp<IConfigurable> {
-                Return<sp<IComponentInterface>> transResult1 =
+            [base]() -> sp<c2_hidl::IConfigurable> {
+                Return<sp<c2_hidl::IComponentInterface>> transResult1 =
                         base->getInterface();
                 if (!transResult1.isOk()) {
                     return nullptr;
                 }
-                Return<sp<IConfigurable>> transResult2 =
-                        static_cast<sp<IComponentInterface>>(transResult1)->
+                Return<sp<c2_hidl::IConfigurable>> transResult2 =
+                        static_cast<sp<c2_hidl::IComponentInterface>>(transResult1)->
                         getConfigurable();
                 return transResult2.isOk() ?
-                        static_cast<sp<IConfigurable>>(transResult2) :
+                        static_cast<sp<c2_hidl::IConfigurable>>(transResult2) :
                         nullptr;
             }()
         },
@@ -1256,17 +1586,17 @@
 
 Codec2Client::Component::Component(const sp<Base1_2>& base)
       : Configurable{
-            [base]() -> sp<IConfigurable> {
-                Return<sp<IComponentInterface>> transResult1 =
+            [base]() -> sp<c2_hidl::IConfigurable> {
+                Return<sp<c2_hidl::IComponentInterface>> transResult1 =
                         base->getInterface();
                 if (!transResult1.isOk()) {
                     return nullptr;
                 }
-                Return<sp<IConfigurable>> transResult2 =
-                        static_cast<sp<IComponentInterface>>(transResult1)->
+                Return<sp<c2_hidl::IConfigurable>> transResult2 =
+                        static_cast<sp<c2_hidl::IComponentInterface>>(transResult1)->
                         getConfigurable();
                 return transResult2.isOk() ?
-                        static_cast<sp<IConfigurable>>(transResult2) :
+                        static_cast<sp<c2_hidl::IConfigurable>>(transResult2) :
                         nullptr;
             }()
         },
@@ -1288,9 +1618,9 @@
     Return<void> transStatus = mBase1_0->createBlockPool(
             static_cast<uint32_t>(id),
             [&status, blockPoolId, configurable](
-                    Status s,
+                    c2_hidl::Status s,
                     uint64_t pId,
-                    const sp<IConfigurable>& c) {
+                    const sp<c2_hidl::IConfigurable>& c) {
                 status = static_cast<c2_status_t>(s);
                 configurable->reset();
                 if (status != C2_OK) {
@@ -1310,13 +1640,13 @@
 
 c2_status_t Codec2Client::Component::destroyBlockPool(
         C2BlockPool::local_id_t localId) {
-    Return<Status> transResult = mBase1_0->destroyBlockPool(
+    Return<c2_hidl::Status> transResult = mBase1_0->destroyBlockPool(
             static_cast<uint64_t>(localId));
     if (!transResult.isOk()) {
         LOG(ERROR) << "destroyBlockPool -- transaction failed.";
         return C2_TRANSACTION_FAILED;
     }
-    return static_cast<c2_status_t>(static_cast<Status>(transResult));
+    return static_cast<c2_status_t>(static_cast<c2_hidl::Status>(transResult));
 }
 
 void Codec2Client::Component::handleOnWorkDone(
@@ -1327,18 +1657,18 @@
 
 c2_status_t Codec2Client::Component::queue(
         std::list<std::unique_ptr<C2Work>>* const items) {
-    WorkBundle workBundle;
+    c2_hidl::WorkBundle workBundle;
     if (!objcpy(&workBundle, *items, mBufferPoolSender.get())) {
         LOG(ERROR) << "queue -- bad input.";
         return C2_TRANSACTION_FAILED;
     }
-    Return<Status> transStatus = mBase1_0->queue(workBundle);
+    Return<c2_hidl::Status> transStatus = mBase1_0->queue(workBundle);
     if (!transStatus.isOk()) {
         LOG(ERROR) << "queue -- transaction failed.";
         return C2_TRANSACTION_FAILED;
     }
     c2_status_t status =
-            static_cast<c2_status_t>(static_cast<Status>(transStatus));
+            static_cast<c2_status_t>(static_cast<c2_hidl::Status>(transStatus));
     if (status != C2_OK) {
         LOG(DEBUG) << "queue -- call failed: " << status << ".";
     }
@@ -1352,13 +1682,13 @@
     c2_status_t status;
     Return<void> transStatus = mBase1_0->flush(
             [&status, flushedWork](
-                    Status s, const WorkBundle& wb) {
+                    c2_hidl::Status s, const c2_hidl::WorkBundle& wb) {
                 status = static_cast<c2_status_t>(s);
                 if (status != C2_OK) {
                     LOG(DEBUG) << "flush -- call failed: " << status << ".";
                     return;
                 }
-                if (!objcpy(flushedWork, wb)) {
+                if (!c2_hidl::utils::objcpy(flushedWork, wb)) {
                     status = C2_CORRUPTED;
                 } else {
                     status = C2_OK;
@@ -1391,14 +1721,14 @@
 }
 
 c2_status_t Codec2Client::Component::drain(C2Component::drain_mode_t mode) {
-    Return<Status> transStatus = mBase1_0->drain(
+    Return<c2_hidl::Status> transStatus = mBase1_0->drain(
             mode == C2Component::DRAIN_COMPONENT_WITH_EOS);
     if (!transStatus.isOk()) {
         LOG(ERROR) << "drain -- transaction failed.";
         return C2_TRANSACTION_FAILED;
     }
     c2_status_t status =
-            static_cast<c2_status_t>(static_cast<Status>(transStatus));
+            static_cast<c2_status_t>(static_cast<c2_hidl::Status>(transStatus));
     if (status != C2_OK) {
         LOG(DEBUG) << "drain -- call failed: " << status << ".";
     }
@@ -1406,13 +1736,13 @@
 }
 
 c2_status_t Codec2Client::Component::start() {
-    Return<Status> transStatus = mBase1_0->start();
+    Return<c2_hidl::Status> transStatus = mBase1_0->start();
     if (!transStatus.isOk()) {
         LOG(ERROR) << "start -- transaction failed.";
         return C2_TRANSACTION_FAILED;
     }
     c2_status_t status =
-            static_cast<c2_status_t>(static_cast<Status>(transStatus));
+            static_cast<c2_status_t>(static_cast<c2_hidl::Status>(transStatus));
     if (status != C2_OK) {
         LOG(DEBUG) << "start -- call failed: " << status << ".";
     }
@@ -1420,13 +1750,13 @@
 }
 
 c2_status_t Codec2Client::Component::stop() {
-    Return<Status> transStatus = mBase1_0->stop();
+    Return<c2_hidl::Status> transStatus = mBase1_0->stop();
     if (!transStatus.isOk()) {
         LOG(ERROR) << "stop -- transaction failed.";
         return C2_TRANSACTION_FAILED;
     }
     c2_status_t status =
-            static_cast<c2_status_t>(static_cast<Status>(transStatus));
+            static_cast<c2_status_t>(static_cast<c2_hidl::Status>(transStatus));
     if (status != C2_OK) {
         LOG(DEBUG) << "stop -- call failed: " << status << ".";
     }
@@ -1434,13 +1764,13 @@
 }
 
 c2_status_t Codec2Client::Component::reset() {
-    Return<Status> transStatus = mBase1_0->reset();
+    Return<c2_hidl::Status> transStatus = mBase1_0->reset();
     if (!transStatus.isOk()) {
         LOG(ERROR) << "reset -- transaction failed.";
         return C2_TRANSACTION_FAILED;
     }
     c2_status_t status =
-            static_cast<c2_status_t>(static_cast<Status>(transStatus));
+            static_cast<c2_status_t>(static_cast<c2_hidl::Status>(transStatus));
     if (status != C2_OK) {
         LOG(DEBUG) << "reset -- call failed: " << status << ".";
     }
@@ -1448,13 +1778,13 @@
 }
 
 c2_status_t Codec2Client::Component::release() {
-    Return<Status> transStatus = mBase1_0->release();
+    Return<c2_hidl::Status> transStatus = mBase1_0->release();
     if (!transStatus.isOk()) {
         LOG(ERROR) << "release -- transaction failed.";
         return C2_TRANSACTION_FAILED;
     }
     c2_status_t status =
-            static_cast<c2_status_t>(static_cast<Status>(transStatus));
+            static_cast<c2_status_t>(static_cast<c2_hidl::Status>(transStatus));
     if (status != C2_OK) {
         LOG(DEBUG) << "release -- call failed: " << status << ".";
     }
@@ -1471,7 +1801,7 @@
     c2_status_t status{};
     Return<void> transStatus = mBase1_1->configureVideoTunnel(avSyncHwId,
             [&status, sidebandHandle](
-                    Status s, hardware::hidl_handle const& h) {
+                    c2_hidl::Status s, hardware::hidl_handle const& h) {
                 status = static_cast<c2_status_t>(s);
                 if (h.getNativeHandle()) {
                     *sidebandHandle = native_handle_clone(h.getNativeHandle());
@@ -1550,7 +1880,7 @@
     ALOGD("setOutputSurface -- generation=%u consumer usage=%#llx%s",
             generation, (long long)consumerUsage, syncObj ? " sync" : "");
 
-    Return<Status> transStatus = syncObj ?
+    Return<c2_hidl::Status> transStatus = syncObj ?
             mBase1_2->setOutputSurfaceWithSyncObj(
                     static_cast<uint64_t>(blockPoolId),
                     bqId == 0 ? nullHgbp : igbp, *syncObj) :
@@ -1565,7 +1895,7 @@
         return C2_TRANSACTION_FAILED;
     }
     c2_status_t status =
-            static_cast<c2_status_t>(static_cast<Status>(transStatus));
+            static_cast<c2_status_t>(static_cast<c2_hidl::Status>(transStatus));
     if (status != C2_OK) {
         LOG(DEBUG) << "setOutputSurface -- call failed: " << status << ".";
     }
@@ -1593,13 +1923,13 @@
         C2BlockPool::local_id_t blockPoolId) {
     std::scoped_lock lock(mOutputMutex);
     mOutputBufferQueue->stop();
-    Return<Status> transStatus = mBase1_0->setOutputSurface(
+    Return<c2_hidl::Status> transStatus = mBase1_0->setOutputSurface(
             static_cast<uint64_t>(blockPoolId), nullptr);
     if (!transStatus.isOk()) {
         LOG(ERROR) << "setOutputSurface(stopUsingOutputSurface) -- transaction failed.";
     } else {
         c2_status_t status =
-                static_cast<c2_status_t>(static_cast<Status>(transStatus));
+                static_cast<c2_status_t>(static_cast<c2_hidl::Status>(transStatus));
         if (status != C2_OK) {
             LOG(DEBUG) << "setOutputSurface(stopUsingOutputSurface) -- call failed: "
                        << status << ".";
@@ -1615,7 +1945,7 @@
     Return<void> transStatus = mBase1_0->connectToInputSurface(
             inputSurface->mBase,
             [&status, connection](
-                    Status s, const sp<IInputSurfaceConnection>& c) {
+                    c2_hidl::Status s, const sp<c2_hidl::IInputSurfaceConnection>& c) {
                 status = static_cast<c2_status_t>(s);
                 if (status != C2_OK) {
                     LOG(DEBUG) << "connectToInputSurface -- call failed: "
@@ -1639,7 +1969,7 @@
     Return<void> transStatus = mBase1_0->connectToOmxInputSurface(
             producer, source,
             [&status, connection](
-                    Status s, const sp<IInputSurfaceConnection>& c) {
+                    c2_hidl::Status s, const sp<c2_hidl::IInputSurfaceConnection>& c) {
                 status = static_cast<c2_status_t>(s);
                 if (status != C2_OK) {
                     LOG(DEBUG) << "connectToOmxInputSurface -- call failed: "
@@ -1656,13 +1986,13 @@
 }
 
 c2_status_t Codec2Client::Component::disconnectFromInputSurface() {
-    Return<Status> transStatus = mBase1_0->disconnectFromInputSurface();
+    Return<c2_hidl::Status> transStatus = mBase1_0->disconnectFromInputSurface();
     if (!transStatus.isOk()) {
         LOG(ERROR) << "disconnectToInputSurface -- transaction failed.";
         return C2_TRANSACTION_FAILED;
     }
     c2_status_t status =
-            static_cast<c2_status_t>(static_cast<Status>(transStatus));
+            static_cast<c2_status_t>(static_cast<c2_hidl::Status>(transStatus));
     if (status != C2_OK) {
         LOG(DEBUG) << "disconnectFromInputSurface -- call failed: "
                    << status << ".";
@@ -1709,13 +2039,13 @@
 }
 
 // Codec2Client::InputSurface
-Codec2Client::InputSurface::InputSurface(const sp<IInputSurface>& base)
+Codec2Client::InputSurface::InputSurface(const sp<c2_hidl::IInputSurface>& base)
       : Configurable{
-            [base]() -> sp<IConfigurable> {
-                Return<sp<IConfigurable>> transResult =
+            [base]() -> sp<c2_hidl::IConfigurable> {
+                Return<sp<c2_hidl::IConfigurable>> transResult =
                         base->getConfigurable();
                 return transResult.isOk() ?
-                        static_cast<sp<IConfigurable>>(transResult) :
+                        static_cast<sp<c2_hidl::IConfigurable>>(transResult) :
                         nullptr;
             }()
         },
@@ -1735,19 +2065,19 @@
     return mGraphicBufferProducer;
 }
 
-sp<IInputSurface> Codec2Client::InputSurface::getHalInterface() const {
+sp<c2_hidl::IInputSurface> Codec2Client::InputSurface::getHalInterface() const {
     return mBase;
 }
 
 // Codec2Client::InputSurfaceConnection
 Codec2Client::InputSurfaceConnection::InputSurfaceConnection(
-        const sp<IInputSurfaceConnection>& base)
+        const sp<c2_hidl::IInputSurfaceConnection>& base)
       : Configurable{
-            [base]() -> sp<IConfigurable> {
-                Return<sp<IConfigurable>> transResult =
+            [base]() -> sp<c2_hidl::IConfigurable> {
+                Return<sp<c2_hidl::IConfigurable>> transResult =
                         base->getConfigurable();
                 return transResult.isOk() ?
-                        static_cast<sp<IConfigurable>>(transResult) :
+                        static_cast<sp<c2_hidl::IConfigurable>>(transResult) :
                         nullptr;
             }()
         },
@@ -1755,8 +2085,8 @@
 }
 
 c2_status_t Codec2Client::InputSurfaceConnection::disconnect() {
-    Return<Status> transResult = mBase->disconnect();
-    return static_cast<c2_status_t>(static_cast<Status>(transResult));
+    Return<c2_hidl::Status> transResult = mBase->disconnect();
+    return static_cast<c2_status_t>(static_cast<c2_hidl::Status>(transResult));
 }
 
 }  // namespace android
diff --git a/media/codec2/hal/client/include/codec2/hidl/client.h b/media/codec2/hal/client/include/codec2/hidl/client.h
index 5267394..6fa19b0 100644
--- a/media/codec2/hal/client/include/codec2/hidl/client.h
+++ b/media/codec2/hal/client/include/codec2/hidl/client.h
@@ -84,6 +84,13 @@
 struct IComponentStore;
 }  // namespace android::hardware::media::c2::V1_2
 
+namespace aidl::android::hardware::media::c2 {
+class IComponent;
+class IComponentInterface;
+class IComponentStore;
+class IConfigurable;
+}  // namespace aidl::android::hardware::media::c2
+
 namespace android::hardware::media::bufferpool::V2_0 {
 struct IClientManager;
 }  // namespace android::hardware::media::bufferpool::V2_0
@@ -106,7 +113,36 @@
 // declaration of an inner class is not possible.
 struct Codec2ConfigurableClient {
 
-    typedef ::android::hardware::media::c2::V1_0::IConfigurable Base;
+    typedef ::android::hardware::media::c2::V1_0::IConfigurable HidlBase;
+    typedef ::aidl::android::hardware::media::c2::IConfigurable AidlBase;
+
+    struct ImplBase {
+        virtual ~ImplBase() = default;
+
+        virtual const C2String& getName() const = 0;
+
+        virtual c2_status_t query(
+                const std::vector<C2Param*>& stackParams,
+                const std::vector<C2Param::Index> &heapParamIndices,
+                c2_blocking_t mayBlock,
+                std::vector<std::unique_ptr<C2Param>>* const heapParams) const = 0;
+
+        virtual c2_status_t config(
+                const std::vector<C2Param*> &params,
+                c2_blocking_t mayBlock,
+                std::vector<std::unique_ptr<C2SettingResult>>* const failures) = 0;
+
+        virtual c2_status_t querySupportedParams(
+                std::vector<std::shared_ptr<C2ParamDescriptor>>* const params
+                ) const = 0;
+
+        virtual c2_status_t querySupportedValues(
+                std::vector<C2FieldSupportedValuesQuery>& fields,
+                c2_blocking_t mayBlock) const = 0;
+    };
+
+    explicit Codec2ConfigurableClient(const sp<HidlBase> &hidlBase);
+    explicit Codec2ConfigurableClient(const std::shared_ptr<AidlBase> &aidlBase);
 
     const C2String& getName() const;
 
@@ -128,15 +164,11 @@
     c2_status_t querySupportedValues(
             std::vector<C2FieldSupportedValuesQuery>& fields,
             c2_blocking_t mayBlock) const;
+private:
+    struct HidlImpl;
+    struct AidlImpl;
 
-    // base cannot be null.
-    Codec2ConfigurableClient(const sp<Base>& base);
-
-protected:
-    sp<Base> mBase;
-    C2String mName;
-
-    friend struct Codec2Client;
+    const std::unique_ptr<ImplBase> mImpl;
 };
 
 struct Codec2Client : public Codec2ConfigurableClient {
diff --git a/media/libaudiohal/impl/EffectConversionHelperAidl.cpp b/media/libaudiohal/impl/EffectConversionHelperAidl.cpp
index 9cf0cb8..4e34fca 100644
--- a/media/libaudiohal/impl/EffectConversionHelperAidl.cpp
+++ b/media/libaudiohal/impl/EffectConversionHelperAidl.cpp
@@ -25,6 +25,7 @@
 #include <media/AidlConversionCppNdk.h>
 #include <media/AidlConversionNdk.h>
 #include <media/AidlConversionEffect.h>
+#include <media/AudioContainers.h>
 #include <system/audio_effects/effect_visualizer.h>
 
 #include <utils/Log.h>
@@ -61,6 +62,7 @@
                 {EFFECT_CMD_RESET, &EffectConversionHelperAidl::handleReset},
                 {EFFECT_CMD_ENABLE, &EffectConversionHelperAidl::handleEnable},
                 {EFFECT_CMD_DISABLE, &EffectConversionHelperAidl::handleDisable},
+                {EFFECT_CMD_SET_AUDIO_MODE, &EffectConversionHelperAidl::handleSetAudioMode},
                 {EFFECT_CMD_SET_AUDIO_SOURCE, &EffectConversionHelperAidl::handleSetAudioSource},
                 {EFFECT_CMD_SET_DEVICE, &EffectConversionHelperAidl::handleSetDevice},
                 {EFFECT_CMD_SET_INPUT_DEVICE, &EffectConversionHelperAidl::handleSetDevice},
@@ -279,6 +281,10 @@
               pReplyData);
         return BAD_VALUE;
     }
+    if (!getDescriptor().common.flags.audioSourceIndication) {
+        ALOGW("%s parameter no audioSourceIndication, skipping", __func__);
+        return OK;
+    }
 
     audio_source_t source = *(audio_source_t*)pCmdData;
     AudioSource aidlSource =
@@ -295,6 +301,10 @@
               pReplyData);
         return BAD_VALUE;
     }
+    if (!getDescriptor().common.flags.audioModeIndication) {
+        ALOGW("%s parameter no audioModeIndication, skipping", __func__);
+        return OK;
+    }
     audio_mode_t mode = *(audio_mode_t *)pCmdData;
     AudioMode aidlMode =
             VALUE_OR_RETURN_STATUS(::aidl::android::legacy2aidl_audio_mode_t_AudioMode(mode));
@@ -310,9 +320,26 @@
               pReplyData);
         return BAD_VALUE;
     }
-    // TODO: convert from audio_devices_t to std::vector<AudioDeviceDescription>
-    // const auto& legacyDevice = *(uint32_t*)(pCmdData);
+    if (!getDescriptor().common.flags.deviceIndication) {
+        ALOGW("%s parameter no deviceIndication, skipping", __func__);
+        return OK;
+    }
+    // convert from bitmask of audio_devices_t to std::vector<AudioDeviceDescription>
+    auto legacyDevices = *(uint32_t*)(pCmdData);
+    // extract the input bit and remove it from bitmasks
+    const auto inputBit = legacyDevices & AUDIO_DEVICE_BIT_IN;
+    legacyDevices &= ~AUDIO_DEVICE_BIT_IN;
     std::vector<AudioDeviceDescription> aidlDevices;
+    while (legacyDevices) {
+        // get audio_devices_t represented by the last true bit and convert to AIDL
+        const auto lowestBitDevice = legacyDevices & -legacyDevices;
+        AudioDeviceDescription deviceDesc = VALUE_OR_RETURN_STATUS(
+                ::aidl::android::legacy2aidl_audio_devices_t_AudioDeviceDescription(
+                        static_cast<audio_devices_t>(lowestBitDevice | inputBit)));
+        aidlDevices.emplace_back(deviceDesc);
+        legacyDevices -= lowestBitDevice;
+    }
+
     RETURN_STATUS_IF_ERROR(statusTFromBinderStatus(
             mEffect->setParameter(Parameter::make<Parameter::deviceDescription>(aidlDevices))));
     return *static_cast<int32_t*>(pReplyData) = OK;
@@ -435,5 +462,19 @@
             (mIsProxyEffect && std::static_pointer_cast<EffectProxy>(mEffect)->isBypassing()));
 }
 
+Descriptor EffectConversionHelperAidl::getDescriptor() const {
+    if (!mIsProxyEffect) {
+        return mDesc;
+    }
+
+    Descriptor desc;
+    if (const auto status = mEffect->getDescriptor(&desc); !status.isOk()) {
+        ALOGE("%s failed to get proxy descriptor (%d:%s), using default", __func__,
+              status.getStatus(), status.getMessage());
+        return mDesc;
+    }
+    return desc;
+}
+
 }  // namespace effect
 }  // namespace android
diff --git a/media/libaudiohal/impl/EffectConversionHelperAidl.h b/media/libaudiohal/impl/EffectConversionHelperAidl.h
index 7c8f11b..85e877e 100644
--- a/media/libaudiohal/impl/EffectConversionHelperAidl.h
+++ b/media/libaudiohal/impl/EffectConversionHelperAidl.h
@@ -43,6 +43,8 @@
     std::shared_ptr<android::hardware::EventFlag> getEventFlagGroup() { return mEfGroup; }
     bool isBypassing() const;
 
+    ::aidl::android::hardware::audio::effect::Descriptor getDescriptor() const;
+
   protected:
     const int32_t mSessionId;
     const int32_t mIoId;
@@ -134,7 +136,6 @@
     virtual status_t visualizerMeasure(uint32_t* replySize __unused, void* pReplyData __unused) {
         return BAD_VALUE;
     }
-
 };
 
 }  // namespace effect
diff --git a/media/libaudiohal/impl/EffectHalAidl.cpp b/media/libaudiohal/impl/EffectHalAidl.cpp
index b8e62ae..642d352 100644
--- a/media/libaudiohal/impl/EffectHalAidl.cpp
+++ b/media/libaudiohal/impl/EffectHalAidl.cpp
@@ -69,7 +69,6 @@
       mEffect(effect),
       mSessionId(sessionId),
       mIoId(ioId),
-      mDesc(desc),
       mIsProxyEffect(isProxyEffect) {
     createAidlConversion(effect, sessionId, ioId, desc);
 }
@@ -169,7 +168,8 @@
     State state = State::INIT;
     if (mConversion->isBypassing() || !mEffect->getState(&state).isOk() ||
         state != State::PROCESSING) {
-        ALOGI("%s skipping %s process because it's %s", __func__, mDesc.common.name.c_str(),
+        ALOGI("%s skipping %s process because it's %s", __func__,
+              mConversion->getDescriptor().common.name.c_str(),
               mConversion->isBypassing()
                       ? "bypassing"
                       : aidl::android::hardware::audio::effect::toString(state).c_str());
@@ -225,8 +225,8 @@
         return INVALID_OPERATION;
     }
 
-    ALOGD("%s %s consumed %zu produced %zu", __func__, mDesc.common.name.c_str(), floatsToWrite,
-          floatsToRead);
+    ALOGD("%s %s consumed %zu produced %zu", __func__,
+          mConversion->getDescriptor().common.name.c_str(), floatsToWrite, floatsToRead);
     return OK;
 }
 
diff --git a/media/libaudiohal/impl/EffectHalAidl.h b/media/libaudiohal/impl/EffectHalAidl.h
index 1b7a3d6..bbcb7e2 100644
--- a/media/libaudiohal/impl/EffectHalAidl.h
+++ b/media/libaudiohal/impl/EffectHalAidl.h
@@ -72,7 +72,6 @@
     const std::shared_ptr<::aidl::android::hardware::audio::effect::IEffect> mEffect;
     const int32_t mSessionId;
     const int32_t mIoId;
-    const ::aidl::android::hardware::audio::effect::Descriptor mDesc;
     const bool mIsProxyEffect;
 
     std::unique_ptr<EffectConversionHelperAidl> mConversion;
diff --git a/media/libaudiohal/impl/EffectProxy.cpp b/media/libaudiohal/impl/EffectProxy.cpp
index 8b629ed..7b5e195 100644
--- a/media/libaudiohal/impl/EffectProxy.cpp
+++ b/media/libaudiohal/impl/EffectProxy.cpp
@@ -169,12 +169,6 @@
             common.flags.hwAcceleratorMode = Flags::HardwareAccelerator::TUNNEL;
         }
 
-        // initial flag values before we know which sub-effect to active (with setOffloadParam)
-        // same as HIDL EffectProxy flags
-        common.flags.type = Flags::Type::INSERT;
-        common.flags.insert = Flags::Insert::LAST;
-        common.flags.volume = Flags::Volume::NONE;
-
         // set indication if any sub-effect indication was set
         common.flags.offloadIndication |= desc.common.flags.offloadIndication;
         common.flags.deviceIndication |= desc.common.flags.deviceIndication;
diff --git a/media/libaudiohal/tests/EffectsFactoryHalInterface_test.cpp b/media/libaudiohal/tests/EffectsFactoryHalInterface_test.cpp
index 2854496..0cb654c 100644
--- a/media/libaudiohal/tests/EffectsFactoryHalInterface_test.cpp
+++ b/media/libaudiohal/tests/EffectsFactoryHalInterface_test.cpp
@@ -347,6 +347,45 @@
     }
 }
 
+TEST_P(libAudioHalEffectParamTest, deviceIndicationUpdate) {
+    for (auto& interface : mHalInterfaces) {
+        EXPECT_NO_FATAL_FAILURE(initEffect(interface));
+
+        // output device
+        uint32_t deviceTypes = AUDIO_DEVICE_OUT_SPEAKER | AUDIO_DEVICE_OUT_BLE_SPEAKER;
+        status_t cmdStatus;
+        uint32_t replySize = sizeof(cmdStatus);
+        EXPECT_EQ(OK, interface->command(EFFECT_CMD_SET_DEVICE, sizeof(uint32_t), &deviceTypes,
+                                         &replySize, &cmdStatus));
+        // input device
+        deviceTypes = AUDIO_DEVICE_IN_WIRED_HEADSET | AUDIO_DEVICE_IN_BLUETOOTH_BLE;
+        EXPECT_EQ(OK, interface->command(EFFECT_CMD_SET_DEVICE, sizeof(uint32_t), &deviceTypes,
+                                         &replySize, &cmdStatus));
+    }
+}
+
+TEST_P(libAudioHalEffectParamTest, audioModeIndicationUpdate) {
+    for (auto& interface : mHalInterfaces) {
+        EXPECT_NO_FATAL_FAILURE(initEffect(interface));
+        uint32_t mode = AUDIO_MODE_IN_CALL;
+        status_t cmdStatus;
+        uint32_t replySize = sizeof(cmdStatus);
+        EXPECT_EQ(OK, interface->command(EFFECT_CMD_SET_AUDIO_MODE, sizeof(uint32_t), &mode,
+                                         &replySize, &cmdStatus));
+    }
+}
+
+TEST_P(libAudioHalEffectParamTest, audioSourceIndicationUpdate) {
+    for (auto& interface : mHalInterfaces) {
+        EXPECT_NO_FATAL_FAILURE(initEffect(interface));
+        uint32_t source = AUDIO_SOURCE_MIC;
+        status_t cmdStatus;
+        uint32_t replySize = sizeof(cmdStatus);
+        EXPECT_EQ(OK, interface->command(EFFECT_CMD_SET_AUDIO_SOURCE, sizeof(uint32_t), &source,
+                                         &replySize, &cmdStatus));
+    }
+}
+
 INSTANTIATE_TEST_SUITE_P(
         libAudioHalEffectParamTest, libAudioHalEffectParamTest, ::testing::ValuesIn(testPairs),
         [](const testing::TestParamInfo<libAudioHalEffectParamTest::ParamType>& info) {