1 /*
2  * Copyright (c) 2021 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 OHOS_ABSTRACT_DATA_PROCESS_H
17 #define OHOS_ABSTRACT_DATA_PROCESS_H
18 
19 #include <cstdint>
20 #include <vector>
21 
22 #include "data_buffer.h"
23 #include "image_common_type.h"
24 #include "distributed_camera_errno.h"
25 
26 #include "property_carrier.h"
27 
28 namespace OHOS {
29 namespace DistributedHardware {
30 class AbstractDataProcess {
31 public:
32     virtual ~AbstractDataProcess() = default;
33     int32_t SetNextNode(std::shared_ptr<AbstractDataProcess>& nextDataProcess);
34     void SetNodeRank(size_t curNodeRank);
35 
36     virtual int32_t InitNode(const VideoConfigParams& sourceConfig, const VideoConfigParams& targetConfig,
37         VideoConfigParams& processedConfig) = 0;
38     virtual int32_t ProcessData(std::vector<std::shared_ptr<DataBuffer>>& inputBuffers) = 0;
39     virtual void ReleaseProcessNode() = 0;
40     virtual int32_t GetProperty(const std::string& propertyName, PropertyCarrier& propertyCarrier) = 0;
41 
42 public:
43     std::shared_ptr<AbstractDataProcess> nextDataProcess_ = nullptr;
44 
45 protected:
46     size_t nodeRank_;
47 };
48 } // namespace DistributedHardware
49 } // namespace OHOS
50 #endif // OHOS_ABSTRACT_DATA_PROCESS_H
51