1 /*
2  * Copyright (C) 2024 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 IM_EXTERN_LOADER_H
17 #define IM_EXTERN_LOADER_H
18 
19 #include <string>
20 #include <atomic>
21 #include <mutex>
22 
23 #include "image_effect_marco_define.h"
24 #include "effect_log.h"
25 
26 namespace OHOS {
27 namespace Media {
28 namespace Effect {
29 using CreateImageEffectExtFunc = void* (*)(const char*);
30 using InitFunc = void (*)();
31 using DeinitFunc = void (*)();
32 using InitModuleFunc = void (*)();
33 using DeinitModuleFunc = void (*)();
34 class ExternLoader {
35 public:
36     ~ExternLoader() = default;
37 
38     IMAGE_EFFECT_EXPORT static ExternLoader *Instance();
39 
40     IMAGE_EFFECT_EXPORT bool IsExtLoad() const;
41 
42     IMAGE_EFFECT_EXPORT void LoadExtSo();
43 
44     IMAGE_EFFECT_EXPORT CreateImageEffectExtFunc GetCreateImageEffectExtFunc() const;
45 
46     InitFunc GetInitFunc() const;
47     DeinitFunc GetDeinitFunc() const;
48     InitModuleFunc GetInitModuleFunc() const;
49     DeinitModuleFunc GetDeinitModuleFunc() const;
50 
51     void InitExt();
52 private:
53     ExternLoader() = default;
54 
55     CreateImageEffectExtFunc createImageEffectExtFunc_ = nullptr;
56 
57     InitFunc initFunc_ = nullptr;
58     DeinitFunc deinitFunc_ = nullptr;
59     InitModuleFunc initModuleFunc_ = nullptr;
60     DeinitModuleFunc deinitModuleFunc_ = nullptr;
61 
62     std::atomic<bool> isExtLoad_ = false;
63     std::atomic<bool> hasInitExt_ = false;
64 
65     std::mutex loadExtSo_;
66     std::mutex initExtSo_;
67 };
68 } // namespace Effect
69 } // namespace Media
70 } // namespace OHOS
71 
72 #endif // IM_EXTERN_LOADER_H