99 lines
2.2 KiB
C
99 lines
2.2 KiB
C
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#ifndef MYNTEYE_PROCESSOR_H_ // NOLINT
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#define MYNTEYE_PROCESSOR_H_
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#pragma once
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#include <condition_variable>
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#include <cstdint>
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#include <functional>
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#include <list>
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#include <memory>
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#include <mutex>
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#include <string>
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#include <thread>
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#include "mynteye/mynteye.h"
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#include "api/processor/object.h"
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MYNTEYE_BEGIN_NAMESPACE
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class Processor /*: public std::enable_shared_from_this<Processor>*/ {
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public:
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using PreProcessCallback = std::function<void(Object *const)>;
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using PostProcessCallback = std::function<void(Object *const)>;
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using ProcessCallback = std::function<bool(
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Object *const in, Object *const out, Processor *const parent)>;
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Processor();
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virtual ~Processor();
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virtual std::string Name();
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void AddChild(const std::shared_ptr<Processor> &child);
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void RemoveChild(const std::shared_ptr<Processor> &child);
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std::list<std::shared_ptr<Processor>> GetChilds();
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void SetPreProcessCallback(PreProcessCallback callback);
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void SetPostProcessCallback(PostProcessCallback callback);
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void SetProcessCallback(ProcessCallback callback);
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void Activate();
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void Deactivate();
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bool IsActivated();
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bool IsIdle();
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/** Returns dropped or not. */
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bool Process(const Object *const in);
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/**
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* Returns the last output.
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* @note Returns null if not output now.
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*/
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Object *GetOutput();
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std::uint64_t GetDroppedCount();
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protected:
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virtual Object *OnCreateOutput() = 0;
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virtual void OnProcess(
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Object *const in, Object *const out, Processor *const parent) = 0;
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private:
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/** Run in standalone thread. */
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void Run();
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void SetIdle(bool idle);
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bool activated_;
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bool input_ready_;
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std::mutex mtx_input_ready_;
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std::condition_variable cond_input_ready_;
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bool idle_;
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std::uint64_t dropped_count_;
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std::mutex mtx_state_;
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std::unique_ptr<Object> input_;
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std::unique_ptr<Object> output_;
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std::unique_ptr<Object> output_result_;
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std::mutex mtx_result_;
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PreProcessCallback pre_callback_;
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PostProcessCallback post_callback_;
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ProcessCallback callback_;
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Processor *parent_;
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std::list<std::shared_ptr<Processor>> childs_;
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std::thread thread_;
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};
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MYNTEYE_END_NAMESPACE
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#endif // MYNTEYE_PROCESSOR_H_ NOLINT
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