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