Merge "Start Codec2.0 Implementation" (baea5247) · Commits · e / os / android_frameworks_av

media/libstagefright/codec2/hidl/impl/1.0/Android.bp

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		cc_library {
		name: "libstagefright_codec2_hidl@1.0",
		vendor_available: true,
		vndk: {
		enabled: true,
		},

		defaults: ["hidl_defaults"],

		srcs: [
		"Component.cpp",
		"ComponentStore.cpp",
		"Configurable.cpp",
		"types.cpp",
		],

		shared_libs: [
		"android.hardware.media.bufferpool@1.0",
		"libcutils",
		"libhidlbase",
		"libhidltransport",
		"liblog",
		"libstagefright_codec2",
		"libstagefright_codec2_vndk",
		"libutils",
		"vendor.google.media.c2@1.0",
		],

		export_include_dirs: [
		"include",
		],

		export_shared_lib_headers: [
		"libstagefright_codec2",
		],

		// Private include directories
		header_libs: [
		"libstagefright_codec2_internal",
		],
		}

media/libstagefright/codec2/hidl/impl/1.0/Component.cpp

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		/*
		* Copyright (C) 2018 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		//#define LOG_NDEBUG 0
		#define LOG_TAG "Codec2-Component"
		#include <log/log.h>

		#include <codec2/hidl/1.0/Component.h>
		#include <codec2/hidl/1.0/types.h>

		namespace vendor {
		namespace google {
		namespace media {
		namespace c2 {
		namespace V1_0 {
		namespace implementation {

		using namespace ::android;

		// Implementation of ConfigurableC2Intf based on C2ComponentInterface
		struct CompIntf : public ConfigurableC2Intf {
		CompIntf(const std::shared_ptr<C2ComponentInterface>& intf) :
		ConfigurableC2Intf(intf->getName()),
		mIntf(intf) {
		}

		virtual c2_status_t config(
		const std::vector<C2Param*>& params,
		c2_blocking_t mayBlock,
		std::vector<std::unique_ptr<C2SettingResult>>* const failures
		) override {
		return mIntf->config_vb(params, mayBlock, failures);
		}

		virtual c2_status_t query(
		const std::vector<C2Param::Index>& indices,
		c2_blocking_t mayBlock,
		std::vector<std::unique_ptr<C2Param>>* const params) override {
		return mIntf->query_vb({}, indices, mayBlock, params);
		}

		virtual c2_status_t querySupportedParams(
		std::vector<std::shared_ptr<C2ParamDescriptor>>* const params
		) const override {
		return mIntf->querySupportedParams_nb(params);
		}

		virtual c2_status_t querySupportedValues(
		std::vector<C2FieldSupportedValuesQuery>& fields,
		c2_blocking_t mayBlock) const override {
		return mIntf->querySupportedValues_vb(fields, mayBlock);
		}

		protected:
		std::shared_ptr<C2ComponentInterface> mIntf;
		};

		// ComponentInterface
		ComponentInterface::ComponentInterface(
		const std::shared_ptr<C2ComponentInterface>& intf,
		const sp<ComponentStore>& store) :
		Configurable(new CachedConfigurable(std::make_unique<CompIntf>(intf))),
		mInterface(intf) {
		mInit = init(store.get());
		}

		c2_status_t ComponentInterface::status() const {
		return mInit;
		}

		// ComponentListener wrapper
		struct Listener : public C2Component::Listener {
		Listener(const wp<IComponentListener>& listener) : mListener(listener) {
		// TODO: Should we track interface errors? We could reuse onError() or
		// create our own error channel.
		}

		virtual void onError_nb(
		std::weak_ptr<C2Component> /* c2component */,
		uint32_t errorCode) override {
		sp<IComponentListener> listener = mListener.promote();
		if (listener) {
		listener->onError(Status::OK, errorCode);
		}
		}

		virtual void onTripped_nb(
		std::weak_ptr<C2Component> /* c2component */,
		std::vector<std::shared_ptr<C2SettingResult>> c2settingResult
		) override {
		sp<IComponentListener> listener = mListener.promote();
		if (listener) {
		hidl_vec<SettingResult> settingResults(c2settingResult.size());
		size_t ix = 0;
		for (const std::shared_ptr<C2SettingResult> &c2result :
		c2settingResult) {
		if (c2result) {
		objcpy(&settingResults[ix++], *c2result);
		}
		}
		settingResults.resize(ix);
		listener->onTripped(settingResults);
		}
		}

		virtual void onWorkDone_nb(
		std::weak_ptr<C2Component> /* c2component */,
		std::list<std::unique_ptr<C2Work>> c2workItems) override {
		sp<IComponentListener> listener = mListener.promote();
		if (listener) {
		WorkBundle workBundle;

		// TODO: Connect with bufferpool API to send Works & Buffers
		if (objcpy(&workBundle, c2workItems) != Status::OK) {
		ALOGE("onWorkDone() received corrupted work items.");
		return;
		}
		listener->onWorkDone(workBundle);

		// Finish buffer transfers: nothing else to do
		}
		}

		protected:
		wp<IComponentListener> mListener;
		};

		// Component
		Component::Component(
		const std::shared_ptr<C2Component>& component,
		const sp<IComponentListener>& listener,
		const sp<ComponentStore>& store) :
		Configurable(new CachedConfigurable(
		std::make_unique<CompIntf>(component->intf()))),
		mComponent(component),
		mInterface(component->intf()),
		mListener(listener) /* , // TODO: Do we need store for anything?
		mStore(store)*/ {
		std::shared_ptr<C2Component::Listener> c2listener =
		std::make_shared<Listener>(listener);
		c2_status_t res = mComponent->setListener_vb(c2listener, C2_DONT_BLOCK);
		// Retrieve supported parameters from store
		// TODO: We could cache this per component/interface type
		mInit = init(store.get());
		mInit = mInit != C2_OK ? res : mInit;
		}

		// Methods from ::android::hardware::media::c2::V1_0::IComponent
		Return<Status> Component::queue(const WorkBundle& workBundle) {
		std::list<std::unique_ptr<C2Work>> c2works;

		// TODO: Connect with bufferpool API for buffer transfers
		if (objcpy(&c2works, workBundle) != C2_OK) {
		return Status::CORRUPTED;
		}
		(void)workBundle;
		return static_cast<Status>(mComponent->queue_nb(&c2works));
		}

		Return<void> Component::flush(flush_cb _hidl_cb) {
		std::list<std::unique_ptr<C2Work>> c2flushedWorks;
		c2_status_t c2res = mComponent->flush_sm(
		C2Component::FLUSH_COMPONENT,
		&c2flushedWorks);
		WorkBundle flushedWorkBundle;

		Status res = static_cast<Status>(c2res);
		if (c2res == C2_OK) {
		// TODO: Connect with bufferpool API for buffer transfers
		res = objcpy(&flushedWorkBundle, c2flushedWorks);
		}
		_hidl_cb(res, flushedWorkBundle);
		return Void();
		}

		Return<Status> Component::drain(bool withEos) {
		return static_cast<Status>(mComponent->drain_nb(withEos ?
		C2Component::DRAIN_COMPONENT_WITH_EOS :
		C2Component::DRAIN_COMPONENT_NO_EOS));
		}

		Return<Status> Component::connectToInputSurface(const sp<IInputSurface>& surface) {
		// TODO implement
		(void)surface;
		return Status::OK;
		}

		Return<Status> Component::connectToOmxInputSurface(
		const sp<::android::hardware::graphics::bufferqueue::V1_0::
		IGraphicBufferProducer>& producer,
		const sp<::android::hardware::media::omx::V1_0::
		IGraphicBufferSource>& source) {
		// TODO implement
		(void)producer;
		(void)source;
		return Status::OK;
		}

		Return<Status> Component::disconnectFromInputSurface() {
		// TODO implement
		return Status::OK;
		}

		Return<void> Component::createBlockPool(uint32_t allocatorId, createBlockPool_cb _hidl_cb) {
		// TODO implement
		(void)allocatorId;
		_hidl_cb(Status::OK, 0 /* blockPoolId /, nullptr / configurable */);
		return Void();
		}

		Return<Status> Component::start() {
		return static_cast<Status>(mComponent->start());
		}

		Return<Status> Component::stop() {
		return static_cast<Status>(mComponent->stop());
		}

		Return<Status> Component::reset() {
		return static_cast<Status>(mComponent->reset());
		}

		Return<Status> Component::release() {
		return static_cast<Status>(mComponent->release());
		}

		} // namespace implementation
		} // namespace V1_0
		} // namespace c2
		} // namespace media
		} // namespace google
		} // namespace vendor

media/libstagefright/codec2/hidl/impl/1.0/ComponentStore.cpp

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		/*
		* Copyright (C) 2018 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		//#define LOG_NDEBUG 0
		#define LOG_TAG "Codec2-ComponentStore"
		#include <log/log.h>

		#include <codec2/hidl/1.0/ComponentStore.h>
		#include <codec2/hidl/1.0/Component.h>
		#include <codec2/hidl/1.0/ConfigurableC2Intf.h>
		#include <codec2/hidl/1.0/types.h>

		namespace vendor {
		namespace google {
		namespace media {
		namespace c2 {
		namespace V1_0 {
		namespace implementation {

		using namespace ::android;

		struct StoreIntf : public ConfigurableC2Intf {
		StoreIntf(const std::shared_ptr<C2ComponentStore>& store) :
		ConfigurableC2Intf(store ? store->getName() : ""),
		mStore(store) {
		}

		c2_status_t config(
		const std::vector<C2Param*> &params,
		c2_blocking_t mayBlock,
		std::vector<std::unique_ptr<C2SettingResult>> *const failures
		) override {
		// Assume all params are blocking
		// TODO: Filter for supported params
		if (mayBlock == C2_DONT_BLOCK && params.size() != 0) {
		return C2_BLOCKING;
		}
		return mStore->config_sm(params, failures);
		}

		c2_status_t query(
		const std::vector<C2Param::Index> &indices,
		c2_blocking_t mayBlock,
		std::vector<std::unique_ptr<C2Param>> *const params) override {
		// Assume all params are blocking
		// TODO: Filter for supported params
		if (mayBlock == C2_DONT_BLOCK && indices.size() != 0) {
		return C2_BLOCKING;
		}
		return mStore->query_sm({}, indices, params);
		}

		c2_status_t querySupportedParams(
		std::vector<std::shared_ptr<C2ParamDescriptor>> *const params
		) const override {
		return mStore->querySupportedParams_nb(params);
		}

		c2_status_t querySupportedValues(
		std::vector<C2FieldSupportedValuesQuery> &fields,
		c2_blocking_t mayBlock) const override {
		// Assume all params are blocking
		// TODO: Filter for supported params
		if (mayBlock == C2_DONT_BLOCK && fields.size() != 0) {
		return C2_BLOCKING;
		}
		return mStore->querySupportedValues_sm(fields);
		}

		protected:
		std::shared_ptr<C2ComponentStore> mStore;
		};


		ComponentStore::ComponentStore(const std::shared_ptr<C2ComponentStore>& store) :
		Configurable(new CachedConfigurable(std::make_unique<StoreIntf>(store))),
		mStore(store) {
		// Retrieve struct descriptors
		mParamReflector = mStore->getParamReflector();

		// Retrieve supported parameters from store
		mInit = init(this);
		}

		c2_status_t ComponentStore::validateSupportedParams(
		const std::vector<std::shared_ptr<C2ParamDescriptor>>& params) {
		c2_status_t res = C2_OK;

		for (const std::shared_ptr<C2ParamDescriptor> &desc : params) {
		if (!desc) {
		// All descriptors should be valid
		res = res ? res : C2_BAD_VALUE;
		continue;
		}
		C2Param::CoreIndex coreIndex = desc->index().coreIndex();
		auto it = mStructDescriptors.find(coreIndex);
		if (it == mStructDescriptors.end()) {
		std::shared_ptr<C2StructDescriptor> structDesc =
		mParamReflector->describe(coreIndex);
		if (!structDesc) {
		// All supported params must be described
		res = C2_BAD_INDEX;
		}
		mStructDescriptors.insert({ coreIndex, structDesc });
		}
		}
		return res;
		}

		// Methods from ::android::hardware::media::c2::V1_0::IComponentStore
		Return<void> ComponentStore::createComponent(
		const hidl_string& name,
		const sp<IComponentListener>& listener,
		// TODO: Return the pool if the component has it.
		const sp<IClientManager>& /* pool */,
		createComponent_cb _hidl_cb) {
		std::shared_ptr<C2Component> c2component;
		c2_status_t res = mStore->createComponent(name, &c2component);
		sp<IComponent> component;
		if (res == C2_OK) {
		component = new Component(c2component, listener, this);
		}
		_hidl_cb((Status)res, component);
		return Void();
		}

		Return<void> ComponentStore::createInterface(
		const hidl_string& name,
		createInterface_cb _hidl_cb) {
		std::shared_ptr<C2ComponentInterface> c2interface;
		c2_status_t res = mStore->createInterface(name, &c2interface);
		sp<IComponentInterface> interface;
		if (res == C2_OK) {
		interface = new ComponentInterface(c2interface, this);
		}
		_hidl_cb((Status)res, interface);
		return Void();
		}

		Return<void> ComponentStore::listComponents(listComponents_cb _hidl_cb) {
		std::vector<std::shared_ptr<const C2Component::Traits>> c2traits =
		mStore->listComponents();
		hidl_vec<IComponentStore::ComponentTraits> traits(c2traits.size());
		size_t ix = 0;
		for (const std::shared_ptr<const C2Component::Traits> &c2trait : c2traits) {
		if (c2trait) {
		objcpy(&traits[ix++], *c2trait);
		}
		}
		traits.resize(ix);
		_hidl_cb(traits);
		return Void();
		}

		Return<sp<IInputSurface>> ComponentStore::createInputSurface() {
		// TODO implement
		return sp<IInputSurface> {};
		}

		Return<void> ComponentStore::getStructDescriptors(
		const hidl_vec<uint32_t>& indices,
		getStructDescriptors_cb _hidl_cb) {
		hidl_vec<StructDescriptor> descriptors(indices.size());
		size_t dstIx = 0;
		Status res;
		for (size_t srcIx = 0; srcIx < indices.size(); ++srcIx) {
		const auto item = mStructDescriptors.find(
		C2Param::CoreIndex(indices[srcIx]).coreIndex());
		if (item == mStructDescriptors.end()) {
		res = Status::NOT_FOUND;
		} else if (item->second) {
		objcpy(&descriptors[dstIx++], *item->second);
		} else {
		res = Status::NO_MEMORY;
		}
		}
		descriptors.resize(dstIx);
		_hidl_cb(res, descriptors);
		return Void();
		}

		Return<sp<IClientManager>> ComponentStore::getPoolClientManager() {
		// TODO implement
		return sp<IClientManager> {};
		}

		Return<Status> ComponentStore::copyBuffer(const Buffer& src, const Buffer& dst) {
		// TODO implement
		(void)src;
		(void)dst;
		return Status {};
		}

		} // namespace implementation
		} // namespace V1_0
		} // namespace c2
		} // namespace media
		} // namespace google
		} // namespace vendor

media/libstagefright/codec2/hidl/impl/1.0/Configurable.cpp

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		/*
		* Copyright (C) 2018 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		//#define LOG_NDEBUG 0
		#define LOG_TAG "Codec2-Configurable"
		#include <log/log.h>

		#include <codec2/hidl/1.0/Configurable.h>
		#include <codec2/hidl/1.0/ComponentStore.h>
		#include <codec2/hidl/1.0/types.h>
		#include <C2ParamInternal.h>

		namespace vendor {
		namespace google {
		namespace media {
		namespace c2 {
		namespace V1_0 {
		namespace implementation {

		using namespace ::android;

		CachedConfigurable::CachedConfigurable(
		std::unique_ptr<ConfigurableC2Intf>&& intf) :
		mIntf(std::move(intf)) {
		}

		c2_status_t CachedConfigurable::init(ComponentStore* store) {
		// Retrieve supported parameters from store
		c2_status_t init = mIntf->querySupportedParams(&mSupportedParams);
		c2_status_t validate = store->validateSupportedParams(mSupportedParams);
		return init == C2_OK ? C2_OK : validate;
		}

		// Methods from ::android::hardware::media::c2::V1_0::IConfigurable follow.
		Return<void> CachedConfigurable::getName(getName_cb _hidl_cb) {
		_hidl_cb(mIntf->getName());
		return Void();
		}

		Return<void> CachedConfigurable::query(
		const hidl_vec<uint32_t>& indices,
		bool mayBlock,
		query_cb _hidl_cb) {
		typedef C2Param::Index Index;
		std::vector<Index> c2heapParamIndices(
		(Index*)indices.data(),
		(Index*)indices.data() + indices.size());
		std::vector<std::unique_ptr<C2Param>> c2heapParams;
		c2_status_t c2res = mIntf->query(
		c2heapParamIndices,
		mayBlock ? C2_MAY_BLOCK : C2_DONT_BLOCK,
		&c2heapParams);

		hidl_vec<uint8_t> params;
		createParamsBlob(&params, c2heapParams);
		_hidl_cb(static_cast<Status>(c2res), params);

		return Void();
		}

		Return<void> CachedConfigurable::config(
		const hidl_vec<uint8_t>& inParams,
		bool mayBlock,
		config_cb _hidl_cb) {
		std::vector<C2Param*> c2params;
		if (parseParamsBlob(&c2params, inParams) != C2_OK) {
		_hidl_cb(Status::CORRUPTED,
		hidl_vec<SettingResult>(),
		hidl_vec<uint8_t>());
		return Void();
		}
		// TODO: check if blob was invalid
		std::vector<std::unique_ptr<C2SettingResult>> c2failures;
		c2_status_t c2res = mIntf->config(
		c2params,
		mayBlock ? C2_MAY_BLOCK : C2_DONT_BLOCK,
		&c2failures);
		hidl_vec<SettingResult> failures(c2failures.size());
		{
		size_t ix = 0;
		for (const std::unique_ptr<C2SettingResult>& c2result : c2failures) {
		if (c2result) {
		objcpy(&failures[ix++], *c2result);
		}
		}
		failures.resize(ix);
		}
		hidl_vec<uint8_t> outParams;
		createParamsBlob(&outParams, c2params);
		_hidl_cb((Status)c2res, failures, outParams);
		return Void();
		}

		Return<void> CachedConfigurable::querySupportedParams(
		uint32_t start,
		uint32_t count,
		querySupportedParams_cb _hidl_cb) {
		C2LinearRange request = C2LinearCapacity(mSupportedParams.size()).range(
		start, count);
		hidl_vec<ParamDescriptor> params(request.size());
		Status res = Status::OK;
		size_t dstIx = 0;
		for (size_t srcIx = request.offset(); srcIx < request.endOffset(); ++srcIx) {
		if (mSupportedParams[srcIx]) {
		objcpy(&params[dstIx++], *mSupportedParams[srcIx]);
		} else {
		res = Status::CORRUPTED;
		}
		}
		params.resize(dstIx);
		_hidl_cb(res, params);
		return Void();
		}

		Return<void> CachedConfigurable::querySupportedValues(
		const hidl_vec<FieldSupportedValuesQuery>& inFields,
		bool mayBlock,
		querySupportedValues_cb _hidl_cb) {
		std::vector<C2FieldSupportedValuesQuery> c2fields;
		{
		// C2FieldSupportedValuesQuery objects are restricted in that some
		// members are const.
		// C2ParamField - required for its constructor - has no constructors
		// from fields. Use C2ParamInspector.
		for (const FieldSupportedValuesQuery &query : inFields) {
		c2fields.emplace_back(_C2ParamInspector::CreateParamField(
		query.field.index,
		query.field.fieldId.offset,
		query.field.fieldId.size),
		query.type == FieldSupportedValuesQuery::Type::POSSIBLE ?
		C2FieldSupportedValuesQuery::POSSIBLE :
		C2FieldSupportedValuesQuery::CURRENT);
		}
		}
		c2_status_t c2res = mIntf->querySupportedValues(
		c2fields,
		mayBlock ? C2_MAY_BLOCK : C2_DONT_BLOCK);
		hidl_vec<FieldSupportedValuesQueryResult> outFields(inFields.size());
		{
		size_t ix = 0;
		for (const C2FieldSupportedValuesQuery &result : c2fields) {
		objcpy(&outFields[ix++], result);
		}
		}
		_hidl_cb((Status)c2res, outFields);
		return Void();
		}

		} // namespace implementation
		} // namespace V1_0
		} // namespace c2
		} // namespace media
		} // namespace google
		} // namespace vendor

media/libstagefright/codec2/hidl/impl/1.0/include/codec2/hidl/1.0/Component.h

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		#ifndef VENDOR_GOOGLE_MEDIA_C2_V1_0_COMPONENT_H
		#define VENDOR_GOOGLE_MEDIA_C2_V1_0_COMPONENT_H

		#include <codec2/hidl/1.0/Configurable.h>

		#include <vendor/google/media/c2/1.0/IComponentListener.h>
		#include <vendor/google/media/c2/1.0/IComponentStore.h>
		#include <vendor/google/media/c2/1.0/IComponent.h>
		#include <hidl/MQDescriptor.h>
		#include <hidl/Status.h>

		#include <C2Component.h>
		#include <C2.h>

		namespace vendor {
		namespace google {
		namespace media {
		namespace c2 {
		namespace V1_0 {
		namespace implementation {

		using ::android::hardware::hidl_array;
		using ::android::hardware::hidl_memory;
		using ::android::hardware::hidl_string;
		using ::android::hardware::hidl_vec;
		using ::android::hardware::Return;
		using ::android::hardware::Void;
		using ::android::sp;

		struct ComponentStore;

		struct ComponentInterface : public Configurable<IComponentInterface> {
		ComponentInterface(
		const std::shared_ptr<C2ComponentInterface>& interface,
		const sp<ComponentStore>& store);
		c2_status_t status() const;

		protected:
		c2_status_t mInit;
		std::shared_ptr<C2ComponentInterface> mInterface;
		// sp<ComponentStore> mStore; // TODO needed?
		};

		struct Component : public Configurable<IComponent> {
		Component(
		const std::shared_ptr<C2Component>&,
		const sp<IComponentListener>& listener,
		const sp<ComponentStore>& store);

		// Methods from gIComponent follow.
		virtual Return<Status> queue(const WorkBundle& workBundle) override;
		virtual Return<void> flush(flush_cb _hidl_cb) override;
		virtual Return<Status> drain(bool withEos) override;
		virtual Return<Status> connectToInputSurface(
		const sp<IInputSurface>& surface) override;
		virtual Return<Status> connectToOmxInputSurface(
		const sp<::android::hardware::graphics::bufferqueue::V1_0::
		IGraphicBufferProducer>& producer,
		const sp<::android::hardware::media::omx::V1_0::
		IGraphicBufferSource>& source) override;
		virtual Return<Status> disconnectFromInputSurface() override;
		virtual Return<void> createBlockPool(
		uint32_t allocatorId,
		createBlockPool_cb _hidl_cb) override;
		virtual Return<Status> start() override;
		virtual Return<Status> stop() override;
		virtual Return<Status> reset() override;
		virtual Return<Status> release() override;

		protected:
		c2_status_t mInit;
		std::shared_ptr<C2Component> mComponent;
		std::shared_ptr<C2ComponentInterface> mInterface;
		sp<IComponentListener> mListener;
		// sp<ComponentStore> mStore; // TODO needed?
		};

		} // namespace implementation
		} // namespace V1_0
		} // namespace c2
		} // namespace media
		} // namespace google
		} // namespace vendor

		#endif // VENDOR_GOOGLE_MEDIA_C2_V1_0_COMPONENT_H