| /* |
| * Copyright (C) 2014-2017 Intel Corporation |
| * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #ifndef _CAMERA3_HAL_CAMERASTREAMNODE_H_ |
| #define _CAMERA3_HAL_CAMERASTREAMNODE_H_ |
| |
| #include <vector> |
| #include "hardware/camera3.h" |
| #include "CameraBuffer.h" |
| #include "FrameInfo.h" |
| |
| NAMESPACE_DECLARATION { |
| /* Forward declaration */ |
| class Camera3Request; |
| |
| class CameraStreamNode { |
| public: |
| CameraStreamNode() : mConsumer(nullptr), |
| mProducer(nullptr) {}; |
| virtual ~CameraStreamNode(){}; |
| static void bind(CameraStreamNode *consumer, CameraStreamNode *producer) { |
| consumer->mProducer = producer; |
| producer->mConsumer = consumer; |
| if(consumer->configure() == NO_ERROR) |
| producer->configure(); |
| }; |
| static void unbind(CameraStreamNode *consumer, CameraStreamNode *producer) { |
| if (consumer) |
| consumer->mProducer = nullptr; |
| if (producer) |
| producer->mConsumer = nullptr; |
| }; |
| |
| virtual int usage(void) const { return 0; } |
| virtual status_t query(FrameInfo * info) = 0; |
| virtual status_t capture(std::shared_ptr<CameraBuffer> aBuffer, |
| Camera3Request* request) = 0; |
| virtual status_t captureDone(std::shared_ptr<CameraBuffer> buffer, |
| Camera3Request* request) = 0; |
| virtual status_t reprocess(std::shared_ptr<CameraBuffer> buffer, |
| Camera3Request* request) = 0; |
| virtual void dump(int fd) const = 0; |
| |
| protected: |
| // the data will be used by the consumer, if it's nullptr, it means that there |
| // is no other back stream will use it. |
| CameraStreamNode *mConsumer; |
| // the data will be generated by the producer, if it's nullptr, it means that |
| //this node is just used to generate the data |
| CameraStreamNode *mProducer; |
| private: |
| virtual status_t configure(void) = 0; |
| }; |
| |
| } NAMESPACE_DECLARATION_END |
| #endif /* _CAMERA3_HAL_CAMERASTREAMNODE_H_ */ |