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_VIRTUAL_ALLOCATOR_H
17 #define AV_VIRTUAL_ALLOCATOR_H
18 
19 #include "buffer/avallocator.h"
20 
21 namespace OHOS {
22 namespace Media {
23 /**
24  * @brief The allocator that allocate virtual memory.
25  */
26 class AVVirtualAllocator : public AVAllocator {
27 public:
28     friend class AVAllocatorFactory;
29     ~AVVirtualAllocator() override = default;
30 
31     void *Alloc(int32_t capacity) override;
32     bool Free(void *ptr) override;
33     MemoryType GetMemoryType() override;
34 
35 private:
36     AVVirtualAllocator();
37 };
38 } // namespace Media
39 } // namespace OHOS
40 #endif // AV_VIRTUAL_ALLOCATOR_H