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 namespace OHOS { 27 namespace DistributedHardware { 28 class AbstractDataProcess { 29 public: 30 virtual ~AbstractDataProcess() = default; 31 int32_t SetNextNode(std::shared_ptr<AbstractDataProcess>& nextDataProcess); 32 void SetNodeRank(size_t curNodeRank); 33 34 virtual int32_t InitNode(const VideoConfigParams& sourceConfig, const VideoConfigParams& targetConfig, 35 VideoConfigParams& processedConfig) = 0; 36 virtual int32_t ProcessData(std::vector<std::shared_ptr<DataBuffer>>& inputBuffers) = 0; 37 virtual void ReleaseProcessNode() = 0; 38 39 protected: 40 std::shared_ptr<AbstractDataProcess> nextDataProcess_ = nullptr; 41 size_t nodeRank_; 42 }; 43 } // namespace DistributedHardware 44 } // namespace OHOS 45 #endif // OHOS_ABSTRACT_DATA_PROCESS_H 46