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https://github.com/openharmony/drivers_peripheral.git
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wwx1074746
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef HOS_CAMERA_BUFFER_MANAGER_H
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#define HOS_CAMERA_BUFFER_MANAGER_H
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#include "ibuffer_pool.h"
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#include <map>
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#include <mutex>
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namespace OHOS::Camera {
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class BufferManager {
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public:
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// get a pointer of BufferManager
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static BufferManager* GetInstance();
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// generate a random id for buffer pool.
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uint64_t GenerateBufferPoolId();
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// get a buffer pool from id.
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std::shared_ptr<IBufferPool> GetBufferPool(uint64_t id);
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private:
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BufferManager() = default;
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BufferManager(const BufferManager&);
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BufferManager& operator=(const BufferManager&);
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BufferManager(BufferManager&&);
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BufferManager& operator=(BufferManager&&);
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~BufferManager() = default;
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std::mutex lock_;
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std::map<int64_t, std::weak_ptr<IBufferPool>> bufferPoolMap_;
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};
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} // namespace OHOS::Camera
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#endif
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