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 VIDEO_CODEC_LOADER_H
17 #define VIDEO_CODEC_LOADER_H
18 #include "codecbase.h"
19 #include "codeclistbase.h"
20 
21 namespace OHOS {
22 namespace MediaAVCodec {
23 class VideoCodecLoader {
24 public:
VideoCodecLoader(const char * libPath,const char * createFuncName,const char * getCapsFuncName)25     VideoCodecLoader(const char *libPath, const char *createFuncName, const char *getCapsFuncName)
26         : libPath_(libPath), createFuncName_(createFuncName), getCapsFuncName_(getCapsFuncName){};
27     ~VideoCodecLoader() = default;
28 
29     std::shared_ptr<CodecBase> Create(const std::string &name);
30     int32_t GetCaps(std::vector<CapabilityData> &caps);
31 
32     int32_t Init();
33     void Close();
34 
35 private:
36     using CreateByNameFuncType = void (*)(const std::string &name, std::shared_ptr<CodecBase> &codec);
37     using GetCapabilityFuncType = int32_t (*)(std::vector<CapabilityData> &caps);
38     std::shared_ptr<void> codecHandle_ = nullptr;
39     CreateByNameFuncType createFunc_ = nullptr;
40     GetCapabilityFuncType getCapsFunc_ = nullptr;
41     const char *libPath_ = nullptr;
42     const char *createFuncName_ = nullptr;
43     const char *getCapsFuncName_ = nullptr;
44 };
45 } // namespace MediaAVCodec
46 } // namespace OHOS
47 #endif