1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef HOS_BUFFER_ALLOCATOR_H 17 #define HOS_BUFFER_ALLOCATOR_H 18 19 #include "buffer_allocator_factory.h" 20 #include "ibuffer.h" 21 #include "ibuffer_allocator.h" 22 #include <memory> 23 24 namespace OHOS::Camera { 25 class BufferAllocator : public IBufferAllocator { 26 public: 27 BufferAllocator() = default; 28 virtual ~BufferAllocator() = default; 29 30 RetCode Init() override; 31 32 std::shared_ptr<IBuffer> 33 AllocBuffer(const uint32_t, const uint32_t, const uint64_t, const uint32_t) override; 34 RetCode FreeBuffer(std::shared_ptr<IBuffer>&) override; 35 RetCode MapBuffer(std::shared_ptr<IBuffer>&) override; 36 RetCode UnmapBuffer(std::shared_ptr<IBuffer>&) override; 37 RetCode FlushCache(std::shared_ptr<IBuffer>&) override; 38 RetCode InvalidateCache(std::shared_ptr<IBuffer>&) override; 39 }; 40 } // namespace OHOS::Camera 41 #endif 42 43