Codec2: move allocators to the platform allocator store (f5604bd5) · Commits · e / os / android_frameworks_av

media/libstagefright/codec2/include/C2Component.h

+10 −5

Original line number	Diff line number	Diff line
		@@ -518,15 +518,20 @@ class C2AllocatorStore {
		public:
		// TBD

		enum Type {
		LINEAR, ///< basic linear allocator type
		GRALLOC, ///< basic gralloc allocator type
		typedef uint32_t ID;

		enum ID_ : uint32_t {
		DEFAULT_LINEAR, ///< basic linear allocator type
		DEFAULT_GRAPHIC, ///< basic graphic allocator type
		PLATFORM_START = 0x10,
		VENDOR_START = 0x100,
		};

		/**
		* Creates an allocator.
		*
		* \param type the type of allocator to create
		* \param id the ID of the allocator to create. This is defined by the store, but
		* the ID of the default linear and graphic allocators is formalized.
		* \param allocator shared pointer where the created allocator is stored. Cleared on failure
		* and updated on success.
		*
		@@ -537,7 +542,7 @@ public:
		* \retval C2_NOT_FOUND no such allocator
		* \retval C2_NO_MEMORY not enough memory to create the allocator
		*/
		virtual status_t createAllocator(Type type, std::shared_ptr<C2Allocator>* const allocator) = 0;
		virtual status_t createAllocator(ID id, std::shared_ptr<C2Allocator>* const allocator) = 0;

		virtual ~C2AllocatorStore() = default;
		};

media/libstagefright/codec2/vndk/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -6,6 +6,7 @@ cc_library_static {
		"C2AllocatorGralloc.cpp",
		"C2Buffer.cpp",
		"C2Config.cpp",
		"C2Store.cpp",
		],

		include_dirs: [

media/libstagefright/codec2/vndk/C2AllocatorGralloc.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -15,7 +15,7 @@
		*/

		//#define LOG_NDEBUG 0
		#define LOG_TAG "C2AllocatorIon"
		#define LOG_TAG "C2AllocatorGralloc"
		#include <utils/Log.h>

		#include <android/hardware/graphics/allocator/2.0/IAllocator.h>

media/libstagefright/codec2/vndk/C2Store.cpp

0 → 100644

+103 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 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.
		*/

		#include <C2AllocatorGralloc.h>
		#include <C2AllocatorIon.h>
		#include <C2Component.h>
		#include <C2PlatformSupport.h>

		#include <map>
		#include <memory>
		#include <mutex>

		namespace android {

		class C2PlatformAllocatorStore : public C2AllocatorStore {
		public:
		enum ID_ : uint32_t {
		ION = PLATFORM_START,
		GRALLOC,
		};

		C2PlatformAllocatorStore(
		/* ionmapper */
		);
		virtual status_t createAllocator(ID id, std::shared_ptr<C2Allocator> *const allocator);

		private:
		// returns a shared-singleton ion allocator
		std::shared_ptr<C2Allocator> getIonAllocator();

		// returns a shared-singleton gralloc allocator
		std::shared_ptr<C2Allocator> getGrallocAllocator();
		};

		C2PlatformAllocatorStore::C2PlatformAllocatorStore() {
		}

		status_t C2PlatformAllocatorStore::createAllocator(
		ID id, std::shared_ptr<C2Allocator> *const allocator) {
		allocator->reset();
		switch (id) {
		// TODO: should we implement a generic registry for all, and use that?
		case C2PlatformAllocatorStore::ION:
		case C2AllocatorStore::DEFAULT_LINEAR:
		*allocator = getIonAllocator();
		break;

		case C2PlatformAllocatorStore::GRALLOC:
		case C2AllocatorStore::DEFAULT_GRAPHIC:
		*allocator = getGrallocAllocator();
		break;

		default:
		return C2_NOT_FOUND;
		}
		if (*allocator == nullptr) {
		return C2_NO_MEMORY;
		}
		return C2_OK;
		}

		std::shared_ptr<C2Allocator> C2PlatformAllocatorStore::getIonAllocator() {
		static std::mutex mutex;
		static std::weak_ptr<C2Allocator> ionAllocator;
		std::lock_guard<std::mutex> lock(mutex);
		std::shared_ptr<C2Allocator> allocator = ionAllocator.lock();
		if (allocator == nullptr) {
		allocator = std::make_shared<C2AllocatorIon>();
		ionAllocator = allocator;
		}
		return allocator;
		}

		std::shared_ptr<C2Allocator> C2PlatformAllocatorStore::getGrallocAllocator() {
		static std::mutex mutex;
		static std::weak_ptr<C2Allocator> grallocAllocator;
		std::lock_guard<std::mutex> lock(mutex);
		std::shared_ptr<C2Allocator> allocator = grallocAllocator.lock();
		if (allocator == nullptr) {
		allocator = std::make_shared<C2AllocatorGralloc>();
		grallocAllocator = allocator;
		}
		return allocator;
		}

		std::shared_ptr<C2AllocatorStore> GetCodec2PlatformAllocatorStore() {
		return std::make_shared<C2PlatformAllocatorStore>();
		}

		} // namespace android
		No newline at end of file

media/libstagefright/codec2/vndk/include/C2PlatformSupport.h

0 → 100644

+33 −0

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		/*
		* Copyright (C) 2017 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.
		*/

		#ifndef STAGEFRIGHT_CODEC2_PLATFORM_SUPPORT_H_
		#define STAGEFRIGHT_CODEC2_PLATFORM_SUPPORT_H_

		#include <C2Component.h>

		#include <memory>

		namespace android {

		/**
		* Returns the platform allocator store.
		*/
		std::shared_ptr<C2AllocatorStore> GetCodec2PlatformAllocatorStore();

		} // namespace android

		#endif // STAGEFRIGHT_CODEC2_PLATFORM_SUPPORT_H_