1 /*
2  * Copyright (C) 2023 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 AV_SHARED_MEMORY_EXT_H
17 #define AV_SHARED_MEMORY_EXT_H
18 
19 #include "buffer/avallocator.h"
20 #include "buffer/avbuffer.h"
21 #include "common/status.h"
22 
23 namespace OHOS {
24 namespace Media {
25 class AVSharedMemoryExt : public AVMemory {
26 public:
27     AVSharedMemoryExt();
28     ~AVSharedMemoryExt() override;
29     uint8_t *GetAddr() override;
30     MemoryType GetMemoryType() override;
31     int32_t GetFileDescriptor() override;
32     MemoryFlag GetMemoryFlag() override;
33 
34 private:
35     Status Init() override;
36     Status Init(MessageParcel &parcel) override;
37     bool WriteToMessageParcel(MessageParcel &parcel) override;
38     bool ReadFromMessageParcel(MessageParcel &parcel) override;
39     void UnMapMemoryAddr() noexcept;
40     Status MapMemoryAddr();
41     int32_t fd_;
42     bool isFirstFlag_;
43     MemoryFlag memFlag_;
44 };
45 } // namespace Media
46 } // namespace OHOS
47 #endif // AV_SHARED_MEMORY_EXT_H