1 /* 2 * Copyright (c) 2025 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 #ifndef BUFFER_HELPER_H 16 #define BUFFER_HELPER_H 17 18 #include <memory> 19 #include <base/native_buffer.h> 20 21 namespace OHOS::Codec::Omx { 22 using HDI::Base::NativeBuffer; 23 24 class UniqueFd { 25 public: 26 static std::shared_ptr<UniqueFd> Create(int fd, bool transferOwnership); 27 ~UniqueFd(); 28 int Get(); 29 int Release(); 30 31 private: 32 UniqueFd(int fd); 33 int fd_ = -1; 34 }; 35 36 sptr<NativeBuffer> ReWrap(const sptr<NativeBuffer>& src, bool isIpcMode); 37 int32_t Mmap(const sptr<NativeBuffer>& handle); 38 int32_t Unmap(const sptr<NativeBuffer>& handle); 39 40 } 41 #endif