media/codec2/hal/aidl/Component.cpp - LeafOS-Project/android_frameworks_av - Gitiles

 /*
  * Copyright 2021 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 //#define LOG_NDEBUG 0
 #define LOG_TAG "Codec2-Component-Aidl"
 #include <android-base/logging.h>

 #include <codec2/aidl/Component.h>
 #include <codec2/aidl/ComponentStore.h>
 #include <codec2/aidl/InputBufferManager.h>

 #ifndef __ANDROID_APEX__
 #include <FilterWrapper.h>
 #endif

 #include <android/binder_auto_utils.h>
 #include <android/binder_interface_utils.h>
 #include <utils/Timers.h>

 #include <C2Debug.h>
 #include <C2PlatformSupport.h>

 #include <chrono>
 #include <thread>

 namespace aidl {
 namespace android {
 namespace hardware {
 namespace media {
 namespace c2 {
 namespace utils {

 using ::aidl::android::hardware::common::NativeHandle;
 using ::aidl::android::hardware::media::bufferpool2::IClientManager;
 using ::ndk::ScopedAStatus;

 // ComponentListener wrapper
 struct Component::Listener : public C2Component::Listener {

     Listener(const std::shared_ptr<Component>& component) :
         mComponent(component),
         mListener(component->mListener) {
     }

     virtual void onError_nb(
             std::weak_ptr<C2Component> /* c2component */,
             uint32_t errorCode) override {
         std::shared_ptr<IComponentListener> listener = mListener.lock();
         if (listener) {
             ScopedAStatus transStatus = listener->onError(Status{Status::OK}, errorCode);
             if (!transStatus.isOk()) {
                 LOG(ERROR) << "Component::Listener::onError_nb -- "
                            << "transaction failed.";
             }
         }
     }

     virtual void onTripped_nb(
             std::weak_ptr<C2Component> /* c2component */,
             std::vector<std::shared_ptr<C2SettingResult>> c2settingResult
             ) override {
       std::shared_ptr<IComponentListener> listener = mListener.lock();
         if (listener) {
             std::vector<SettingResult> settingResults(c2settingResult.size());
             size_t ix = 0;
             for (const std::shared_ptr<C2SettingResult> &c2result :
                     c2settingResult) {
                 if (c2result) {
                     if (!ToAidl(&settingResults[ix++], *c2result)) {
                         break;
                     }
                 }
             }
             settingResults.resize(ix);
             ScopedAStatus transStatus = listener->onTripped(settingResults);
             if (!transStatus.isOk()) {
                 LOG(ERROR) << "Component::Listener::onTripped_nb -- "
                            << "transaction failed.";
             }
         }
     }

     virtual void onWorkDone_nb(
             std::weak_ptr<C2Component> /* c2component */,
             std::list<std::unique_ptr<C2Work>> c2workItems) override {
         for (const std::unique_ptr<C2Work>& work : c2workItems) {
             if (work) {
                 if (work->worklets.empty()
                         || !work->worklets.back()
                         || (work->worklets.back()->output.flags &
                             C2FrameData::FLAG_INCOMPLETE) == 0) {
                     InputBufferManager::
                             unregisterFrameData(mListener, work->input);
                 }
             }
         }

         std::shared_ptr<IComponentListener> listener = mListener.lock();
         if (listener) {
             WorkBundle workBundle;

             std::shared_ptr<Component> strongComponent = mComponent.lock();
             if (!ToAidl(&workBundle, c2workItems, strongComponent ?
                     &strongComponent->mBufferPoolSender : nullptr)) {
                 LOG(ERROR) << "Component::Listener::onWorkDone_nb -- "
                            << "received corrupted work items.";
                 return;
             }
             ScopedAStatus transStatus = listener->onWorkDone(workBundle);
             if (!transStatus.isOk()) {
                 LOG(ERROR) << "Component::Listener::onWorkDone_nb -- "
                            << "transaction failed.";
                 return;
             }
             // If output blocks are originally owned by the client(not by HAL),
             // return the ownership to the client. (Since the blocks are
             // transferred to the client here.)
             ReturnOutputBlocksToClientIfNeeded(c2workItems);
         }
     }

 protected:
     std::weak_ptr<Component> mComponent;
     std::weak_ptr<IComponentListener> mListener;
 };

 // Component::DeathContext
 struct Component::DeathContext {
     std::weak_ptr<Component> mWeakComp;
 };

 // Component
 Component::Component(
         const std::shared_ptr<C2Component>& component,
         const std::shared_ptr<IComponentListener>& listener,
         const std::shared_ptr<ComponentStore>& store,
         const std::shared_ptr<IClientManager>& clientPoolManager)
       : mComponent{component},
         mInterface{SharedRefBase::make<ComponentInterface>(
                 component->intf(), store->getParameterCache())},
         mListener{listener},
         mStore{store},
         mBufferPoolSender{clientPoolManager},
         mDeathContext(nullptr) {
     // Retrieve supported parameters from store
     // TODO: We could cache this per component/interface type
     mInit = mInterface->status();
 }

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

 // Methods from ::android::hardware::media::c2::V1_1::IComponent
 ScopedAStatus Component::queue(const WorkBundle& workBundle) {
     std::list<std::unique_ptr<C2Work>> c2works;

     if (!FromAidl(&c2works, workBundle)) {
         return ScopedAStatus::fromServiceSpecificError(Status::CORRUPTED);
     }

     // Register input buffers.
     for (const std::unique_ptr<C2Work>& work : c2works) {
         if (work) {
             InputBufferManager::
                     registerFrameData(mListener, work->input);
         }
     }

     c2_status_t err = mComponent->queue_nb(&c2works);
     if (err == C2_OK) {
         return ScopedAStatus::ok();
     }
     return ScopedAStatus::fromServiceSpecificError(err);
 }

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

     // Unregister input buffers.
     for (const std::unique_ptr<C2Work>& work : c2flushedWorks) {
         if (work) {
             if (work->worklets.empty()
                     || !work->worklets.back()
                     || (work->worklets.back()->output.flags &
                         C2FrameData::FLAG_INCOMPLETE) == 0) {
                 InputBufferManager::
                         unregisterFrameData(mListener, work->input);
             }
         }
     }

     if (c2res == C2_OK) {
         if (!ToAidl(flushedWorkBundle, c2flushedWorks, &mBufferPoolSender)) {
             c2res = C2_CORRUPTED;
         }
     }
     // If output blocks are originally owned by the client(not by HAL),
     // return the ownership to the client. (Since the blocks are
     // transferred to the client here.)
     ReturnOutputBlocksToClientIfNeeded(c2flushedWorks);
     if (c2res == C2_OK) {
         return ScopedAStatus::ok();
     }
     return ScopedAStatus::fromServiceSpecificError(c2res);
 }

 ScopedAStatus Component::drain(bool withEos) {
     c2_status_t res = mComponent->drain_nb(withEos ?
             C2Component::DRAIN_COMPONENT_WITH_EOS :
             C2Component::DRAIN_COMPONENT_NO_EOS);
     if (res == C2_OK) {
         return ScopedAStatus::ok();
     }
     return ScopedAStatus::fromServiceSpecificError(res);
 }

 namespace /* unnamed */ {

 struct BlockPoolIntf : public ConfigurableC2Intf {
     BlockPoolIntf(const std::shared_ptr<C2BlockPool>& pool)
           : ConfigurableC2Intf{
                 "C2BlockPool:" +
                     (pool ? std::to_string(pool->getLocalId()) : "null"),
                 0},
             mPool{pool} {
     }

     virtual c2_status_t config(
             const std::vector<C2Param*>& params,
             c2_blocking_t mayBlock,
             std::vector<std::unique_ptr<C2SettingResult>>* const failures
             ) override {
         (void)params;
         (void)mayBlock;
         (void)failures;
         return C2_OK;
     }

     virtual c2_status_t query(
             const std::vector<C2Param::Index>& indices,
             c2_blocking_t mayBlock,
             std::vector<std::unique_ptr<C2Param>>* const params
             ) const override {
         (void)indices;
         (void)mayBlock;
         (void)params;
         return C2_OK;
     }

     virtual c2_status_t querySupportedParams(
             std::vector<std::shared_ptr<C2ParamDescriptor>>* const params
             ) const override {
         (void)params;
         return C2_OK;
     }

     virtual c2_status_t querySupportedValues(
             std::vector<C2FieldSupportedValuesQuery>& fields,
             c2_blocking_t mayBlock) const override {
         (void)fields;
         (void)mayBlock;
         return C2_OK;
     }

 protected:
     std::shared_ptr<C2BlockPool> mPool;
 };

 } // unnamed namespace

 ScopedAStatus Component::createBlockPool(
         const IComponent::BlockPoolAllocator &allocator,
         IComponent::BlockPool *blockPool) {
     std::shared_ptr<C2BlockPool> c2BlockPool;
     static constexpr IComponent::BlockPoolAllocator::Tag ALLOCATOR_ID =
         IComponent::BlockPoolAllocator::allocatorId;
     static constexpr IComponent::BlockPoolAllocator::Tag IGBA =
         IComponent::BlockPoolAllocator::allocator;
     c2_status_t status = C2_OK;
     ::android::C2PlatformAllocatorDesc allocatorParam;
     switch (allocator.getTag()) {
         case ALLOCATOR_ID: {
             allocatorParam.allocatorId =
                     allocator.get<IComponent::BlockPoolAllocator::allocatorId>();
         }
         break;
         case IGBA: {
             allocatorParam.allocatorId = ::android::C2PlatformAllocatorStore::IGBA;
             allocatorParam.igba =
                     allocator.get<IComponent::BlockPoolAllocator::allocator>().igba;
             allocatorParam.waitableFd.reset(
                     allocator.get<IComponent::BlockPoolAllocator::allocator>()
                     .waitableFd.dup().release());
         }
         break;
         default:
             return ScopedAStatus::fromServiceSpecificError(C2_CORRUPTED);
     }
 #ifdef __ANDROID_APEX__
     status = ::android::CreateCodec2BlockPool(
             allocatorParam,
             mComponent,
             &c2BlockPool);
 #else
     status = ComponentStore::GetFilterWrapper()->createBlockPool(
             allocatorParam,
             mComponent,
             &c2BlockPool);
 #endif
     if (status != C2_OK) {
         return ScopedAStatus::fromServiceSpecificError(status);
     }
     {
         mBlockPoolsMutex.lock();
         mBlockPools.emplace(c2BlockPool->getLocalId(), c2BlockPool);
         mBlockPoolsMutex.unlock();
     }

     blockPool->blockPoolId = c2BlockPool ? c2BlockPool->getLocalId() : 0;
     blockPool->configurable = SharedRefBase::make<CachedConfigurable>(
             std::make_unique<BlockPoolIntf>(c2BlockPool));
     return ScopedAStatus::ok();
 }

 ScopedAStatus Component::destroyBlockPool(int64_t blockPoolId) {
     std::lock_guard<std::mutex> lock(mBlockPoolsMutex);
     if (mBlockPools.erase(blockPoolId) == 1) {
         return ScopedAStatus::ok();
     }
     return ScopedAStatus::fromServiceSpecificError(Status::CORRUPTED);
 }

 ScopedAStatus Component::start() {
     c2_status_t status = mComponent->start();
     if (status == C2_OK) {
         return ScopedAStatus::ok();
     }
     return ScopedAStatus::fromServiceSpecificError(status);
 }

 ScopedAStatus Component::stop() {
     InputBufferManager::unregisterFrameData(mListener);
     c2_status_t status = mComponent->stop();
     if (status == C2_OK) {
         return ScopedAStatus::ok();
     }
     return ScopedAStatus::fromServiceSpecificError(status);
 }

 ScopedAStatus Component::reset() {
     c2_status_t status = mComponent->reset();
     {
         std::lock_guard<std::mutex> lock(mBlockPoolsMutex);
         mBlockPools.clear();
     }
     InputBufferManager::unregisterFrameData(mListener);
     if (status == C2_OK) {
         return ScopedAStatus::ok();
     }
     return ScopedAStatus::fromServiceSpecificError(status);
 }

 ScopedAStatus Component::release() {
     c2_status_t status = mComponent->release();
     {
         std::lock_guard<std::mutex> lock(mBlockPoolsMutex);
         mBlockPools.clear();
     }
     InputBufferManager::unregisterFrameData(mListener);
     if (status == C2_OK) {
         return ScopedAStatus::ok();
     }
     return ScopedAStatus::fromServiceSpecificError(status);
 }

 ScopedAStatus Component::getInterface(
         std::shared_ptr<IComponentInterface> *intf) {
     *intf = mInterface;
     return ScopedAStatus::ok();
 }

 ScopedAStatus Component::configureVideoTunnel(
         int32_t avSyncHwId, NativeHandle *handle) {
     (void)avSyncHwId;
     (void)handle;
     return ScopedAStatus::fromServiceSpecificError(Status::OMITTED);
 }

 void Component::initListener(const std::shared_ptr<Component>& self) {
     if (__builtin_available(android __ANDROID_API_T__, *)) {
         std::shared_ptr<C2Component::Listener> c2listener =
                 std::make_shared<Listener>(self);
         c2_status_t res = mComponent->setListener_vb(c2listener, C2_DONT_BLOCK);
         if (res != C2_OK) {
             mInit = res;
         }

         mDeathRecipient = ::ndk::ScopedAIBinder_DeathRecipient(
                 AIBinder_DeathRecipient_new(OnBinderDied));
         mDeathContext = new DeathContext{ref<Component>()};
         AIBinder_DeathRecipient_setOnUnlinked(mDeathRecipient.get(), OnBinderUnlinked);
         AIBinder_linkToDeath(mListener->asBinder().get(), mDeathRecipient.get(), mDeathContext);
     } else {
         mInit = C2_NO_INIT;
     }
 }

 // static
 void Component::OnBinderDied(void *cookie) {
     DeathContext *context = (DeathContext *)cookie;
     std::shared_ptr<Component> comp = context->mWeakComp.lock();
     if (comp) {
         comp->release();
     }
 }

 // static
 void Component::OnBinderUnlinked(void *cookie) {
     delete (DeathContext *)cookie;
 }

 Component::~Component() {
     InputBufferManager::unregisterFrameData(mListener);
     mStore->reportComponentDeath(this);
     if (mDeathRecipient.get()) {
         AIBinder_unlinkToDeath(mListener->asBinder().get(), mDeathRecipient.get(), mDeathContext);
     }
 }

 } // namespace utils
 } // namespace c2
 } // namespace media
 } // namespace hardware
 } // namespace android
 } // namespace aidl
	/*
	* Copyright 2021 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	//#define LOG_NDEBUG 0
	#define LOG_TAG "Codec2-Component-Aidl"
	#include <android-base/logging.h>

	#include <codec2/aidl/Component.h>
	#include <codec2/aidl/ComponentStore.h>
	#include <codec2/aidl/InputBufferManager.h>

	#ifndef __ANDROID_APEX__
	#include <FilterWrapper.h>
	#endif

	#include <android/binder_auto_utils.h>
	#include <android/binder_interface_utils.h>
	#include <utils/Timers.h>

	#include <C2Debug.h>
	#include <C2PlatformSupport.h>

	#include <chrono>
	#include <thread>

	namespace aidl {
	namespace android {
	namespace hardware {
	namespace media {
	namespace c2 {
	namespace utils {

	using ::aidl::android::hardware::common::NativeHandle;
	using ::aidl::android::hardware::media::bufferpool2::IClientManager;
	using ::ndk::ScopedAStatus;

	// ComponentListener wrapper
	struct Component::Listener : public C2Component::Listener {

	Listener(const std::shared_ptr<Component>& component) :
	mComponent(component),
	mListener(component->mListener) {
	}

	virtual void onError_nb(
	std::weak_ptr<C2Component> /* c2component */,
	uint32_t errorCode) override {
	std::shared_ptr<IComponentListener> listener = mListener.lock();
	if (listener) {
	ScopedAStatus transStatus = listener->onError(Status{Status::OK}, errorCode);
	if (!transStatus.isOk()) {
	LOG(ERROR) << "Component::Listener::onError_nb -- "
	<< "transaction failed.";
	}
	}
	}

	virtual void onTripped_nb(
	std::weak_ptr<C2Component> /* c2component */,
	std::vector<std::shared_ptr<C2SettingResult>> c2settingResult
	) override {
	std::shared_ptr<IComponentListener> listener = mListener.lock();
	if (listener) {
	std::vector<SettingResult> settingResults(c2settingResult.size());
	size_t ix = 0;
	for (const std::shared_ptr<C2SettingResult> &c2result :
	c2settingResult) {
	if (c2result) {
	if (!ToAidl(&settingResults[ix++], *c2result)) {
	break;
	}
	}
	}
	settingResults.resize(ix);
	ScopedAStatus transStatus = listener->onTripped(settingResults);
	if (!transStatus.isOk()) {
	LOG(ERROR) << "Component::Listener::onTripped_nb -- "
	<< "transaction failed.";
	}
	}
	}

	virtual void onWorkDone_nb(
	std::weak_ptr<C2Component> /* c2component */,
	std::list<std::unique_ptr<C2Work>> c2workItems) override {
	for (const std::unique_ptr<C2Work>& work : c2workItems) {
	if (work) {
	if (work->worklets.empty()
	\|\| !work->worklets.back()
	\|\| (work->worklets.back()->output.flags &
	C2FrameData::FLAG_INCOMPLETE) == 0) {
	InputBufferManager::
	unregisterFrameData(mListener, work->input);
	}
	}
	}

	std::shared_ptr<IComponentListener> listener = mListener.lock();
	if (listener) {
	WorkBundle workBundle;

	std::shared_ptr<Component> strongComponent = mComponent.lock();
	if (!ToAidl(&workBundle, c2workItems, strongComponent ?
	&strongComponent->mBufferPoolSender : nullptr)) {
	LOG(ERROR) << "Component::Listener::onWorkDone_nb -- "
	<< "received corrupted work items.";
	return;
	}
	ScopedAStatus transStatus = listener->onWorkDone(workBundle);
	if (!transStatus.isOk()) {
	LOG(ERROR) << "Component::Listener::onWorkDone_nb -- "
	<< "transaction failed.";
	return;
	}
	// If output blocks are originally owned by the client(not by HAL),
	// return the ownership to the client. (Since the blocks are
	// transferred to the client here.)
	ReturnOutputBlocksToClientIfNeeded(c2workItems);
	}
	}

	protected:
	std::weak_ptr<Component> mComponent;
	std::weak_ptr<IComponentListener> mListener;
	};

	// Component::DeathContext
	struct Component::DeathContext {
	std::weak_ptr<Component> mWeakComp;
	};

	// Component
	Component::Component(
	const std::shared_ptr<C2Component>& component,
	const std::shared_ptr<IComponentListener>& listener,
	const std::shared_ptr<ComponentStore>& store,
	const std::shared_ptr<IClientManager>& clientPoolManager)
	: mComponent{component},
	mInterface{SharedRefBase::make<ComponentInterface>(
	component->intf(), store->getParameterCache())},
	mListener{listener},
	mStore{store},
	mBufferPoolSender{clientPoolManager},
	mDeathContext(nullptr) {
	// Retrieve supported parameters from store
	// TODO: We could cache this per component/interface type
	mInit = mInterface->status();
	}

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

	// Methods from ::android::hardware::media::c2::V1_1::IComponent
	ScopedAStatus Component::queue(const WorkBundle& workBundle) {
	std::list<std::unique_ptr<C2Work>> c2works;

	if (!FromAidl(&c2works, workBundle)) {
	return ScopedAStatus::fromServiceSpecificError(Status::CORRUPTED);
	}

	// Register input buffers.
	for (const std::unique_ptr<C2Work>& work : c2works) {
	if (work) {
	InputBufferManager::
	registerFrameData(mListener, work->input);
	}
	}

	c2_status_t err = mComponent->queue_nb(&c2works);
	if (err == C2_OK) {
	return ScopedAStatus::ok();
	}
	return ScopedAStatus::fromServiceSpecificError(err);
	}

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

	// Unregister input buffers.
	for (const std::unique_ptr<C2Work>& work : c2flushedWorks) {
	if (work) {
	if (work->worklets.empty()
	\|\| !work->worklets.back()
	\|\| (work->worklets.back()->output.flags &
	C2FrameData::FLAG_INCOMPLETE) == 0) {
	InputBufferManager::
	unregisterFrameData(mListener, work->input);
	}
	}
	}

	if (c2res == C2_OK) {
	if (!ToAidl(flushedWorkBundle, c2flushedWorks, &mBufferPoolSender)) {
	c2res = C2_CORRUPTED;
	}
	}
	// If output blocks are originally owned by the client(not by HAL),
	// return the ownership to the client. (Since the blocks are
	// transferred to the client here.)
	ReturnOutputBlocksToClientIfNeeded(c2flushedWorks);
	if (c2res == C2_OK) {
	return ScopedAStatus::ok();
	}
	return ScopedAStatus::fromServiceSpecificError(c2res);
	}

	ScopedAStatus Component::drain(bool withEos) {
	c2_status_t res = mComponent->drain_nb(withEos ?
	C2Component::DRAIN_COMPONENT_WITH_EOS :
	C2Component::DRAIN_COMPONENT_NO_EOS);
	if (res == C2_OK) {
	return ScopedAStatus::ok();
	}
	return ScopedAStatus::fromServiceSpecificError(res);
	}

	namespace /* unnamed */ {

	struct BlockPoolIntf : public ConfigurableC2Intf {
	BlockPoolIntf(const std::shared_ptr<C2BlockPool>& pool)
	: ConfigurableC2Intf{
	"C2BlockPool:" +
	(pool ? std::to_string(pool->getLocalId()) : "null"),
	0},
	mPool{pool} {
	}

	virtual c2_status_t config(
	const std::vector<C2Param*>& params,
	c2_blocking_t mayBlock,
	std::vector<std::unique_ptr<C2SettingResult>>* const failures
	) override {
	(void)params;
	(void)mayBlock;
	(void)failures;
	return C2_OK;
	}

	virtual c2_status_t query(
	const std::vector<C2Param::Index>& indices,
	c2_blocking_t mayBlock,
	std::vector<std::unique_ptr<C2Param>>* const params
	) const override {
	(void)indices;
	(void)mayBlock;
	(void)params;
	return C2_OK;
	}

	virtual c2_status_t querySupportedParams(
	std::vector<std::shared_ptr<C2ParamDescriptor>>* const params
	) const override {
	(void)params;
	return C2_OK;
	}

	virtual c2_status_t querySupportedValues(
	std::vector<C2FieldSupportedValuesQuery>& fields,
	c2_blocking_t mayBlock) const override {
	(void)fields;
	(void)mayBlock;
	return C2_OK;
	}

	protected:
	std::shared_ptr<C2BlockPool> mPool;
	};

	} // unnamed namespace

	ScopedAStatus Component::createBlockPool(
	const IComponent::BlockPoolAllocator &allocator,
	IComponent::BlockPool *blockPool) {
	std::shared_ptr<C2BlockPool> c2BlockPool;
	static constexpr IComponent::BlockPoolAllocator::Tag ALLOCATOR_ID =
	IComponent::BlockPoolAllocator::allocatorId;
	static constexpr IComponent::BlockPoolAllocator::Tag IGBA =
	IComponent::BlockPoolAllocator::allocator;
	c2_status_t status = C2_OK;
	::android::C2PlatformAllocatorDesc allocatorParam;
	switch (allocator.getTag()) {
	case ALLOCATOR_ID: {
	allocatorParam.allocatorId =
	allocator.get<IComponent::BlockPoolAllocator::allocatorId>();
	}
	break;
	case IGBA: {
	allocatorParam.allocatorId = ::android::C2PlatformAllocatorStore::IGBA;
	allocatorParam.igba =
	allocator.get<IComponent::BlockPoolAllocator::allocator>().igba;
	allocatorParam.waitableFd.reset(
	allocator.get<IComponent::BlockPoolAllocator::allocator>()
	.waitableFd.dup().release());
	}
	break;
	default:
	return ScopedAStatus::fromServiceSpecificError(C2_CORRUPTED);
	}
	#ifdef __ANDROID_APEX__
	status = ::android::CreateCodec2BlockPool(
	allocatorParam,
	mComponent,
	&c2BlockPool);
	#else
	status = ComponentStore::GetFilterWrapper()->createBlockPool(
	allocatorParam,
	mComponent,
	&c2BlockPool);
	#endif
	if (status != C2_OK) {
	return ScopedAStatus::fromServiceSpecificError(status);
	}
	{
	mBlockPoolsMutex.lock();
	mBlockPools.emplace(c2BlockPool->getLocalId(), c2BlockPool);
	mBlockPoolsMutex.unlock();
	}

	blockPool->blockPoolId = c2BlockPool ? c2BlockPool->getLocalId() : 0;
	blockPool->configurable = SharedRefBase::make<CachedConfigurable>(
	std::make_unique<BlockPoolIntf>(c2BlockPool));
	return ScopedAStatus::ok();
	}

	ScopedAStatus Component::destroyBlockPool(int64_t blockPoolId) {
	std::lock_guard<std::mutex> lock(mBlockPoolsMutex);
	if (mBlockPools.erase(blockPoolId) == 1) {
	return ScopedAStatus::ok();
	}
	return ScopedAStatus::fromServiceSpecificError(Status::CORRUPTED);
	}

	ScopedAStatus Component::start() {
	c2_status_t status = mComponent->start();
	if (status == C2_OK) {
	return ScopedAStatus::ok();
	}
	return ScopedAStatus::fromServiceSpecificError(status);
	}

	ScopedAStatus Component::stop() {
	InputBufferManager::unregisterFrameData(mListener);
	c2_status_t status = mComponent->stop();
	if (status == C2_OK) {
	return ScopedAStatus::ok();
	}
	return ScopedAStatus::fromServiceSpecificError(status);
	}

	ScopedAStatus Component::reset() {
	c2_status_t status = mComponent->reset();
	{
	std::lock_guard<std::mutex> lock(mBlockPoolsMutex);
	mBlockPools.clear();
	}
	InputBufferManager::unregisterFrameData(mListener);
	if (status == C2_OK) {
	return ScopedAStatus::ok();
	}
	return ScopedAStatus::fromServiceSpecificError(status);
	}

	ScopedAStatus Component::release() {
	c2_status_t status = mComponent->release();
	{
	std::lock_guard<std::mutex> lock(mBlockPoolsMutex);
	mBlockPools.clear();
	}
	InputBufferManager::unregisterFrameData(mListener);
	if (status == C2_OK) {
	return ScopedAStatus::ok();
	}
	return ScopedAStatus::fromServiceSpecificError(status);
	}

	ScopedAStatus Component::getInterface(
	std::shared_ptr<IComponentInterface> *intf) {
	*intf = mInterface;
	return ScopedAStatus::ok();
	}

	ScopedAStatus Component::configureVideoTunnel(
	int32_t avSyncHwId, NativeHandle *handle) {
	(void)avSyncHwId;
	(void)handle;
	return ScopedAStatus::fromServiceSpecificError(Status::OMITTED);
	}

	void Component::initListener(const std::shared_ptr<Component>& self) {
	if (__builtin_available(android __ANDROID_API_T__, *)) {
	std::shared_ptr<C2Component::Listener> c2listener =
	std::make_shared<Listener>(self);
	c2_status_t res = mComponent->setListener_vb(c2listener, C2_DONT_BLOCK);
	if (res != C2_OK) {
	mInit = res;
	}

	mDeathRecipient = ::ndk::ScopedAIBinder_DeathRecipient(
	AIBinder_DeathRecipient_new(OnBinderDied));
	mDeathContext = new DeathContext{ref<Component>()};
	AIBinder_DeathRecipient_setOnUnlinked(mDeathRecipient.get(), OnBinderUnlinked);
	AIBinder_linkToDeath(mListener->asBinder().get(), mDeathRecipient.get(), mDeathContext);
	} else {
	mInit = C2_NO_INIT;
	}
	}

	// static
	void Component::OnBinderDied(void *cookie) {
	DeathContext context = (DeathContext )cookie;
	std::shared_ptr<Component> comp = context->mWeakComp.lock();
	if (comp) {
	comp->release();
	}
	}

	// static
	void Component::OnBinderUnlinked(void *cookie) {
	delete (DeathContext *)cookie;
	}

	Component::~Component() {
	InputBufferManager::unregisterFrameData(mListener);
	mStore->reportComponentDeath(this);
	if (mDeathRecipient.get()) {
	AIBinder_unlinkToDeath(mListener->asBinder().get(), mDeathRecipient.get(), mDeathContext);
	}
	}

	} // namespace utils
	} // namespace c2
	} // namespace media
	} // namespace hardware
	} // namespace android
	} // namespace aidl