reader.h

#ifndef READER_H
#define READER_H
 
#include <QObject>
#include <opencv2/core.hpp>
#include "metadata.h"
#include "sequentialreader.h"
#include "readerparams.h"
 
class Reader
{
public:
    virtual ~Reader() {};
 
    enum PictureProcessingFlags{
        APPLY_CROPPING = 1<<0,
        APPLY_RESIZING = 1<<1,
        APPLY_ALL = APPLY_CROPPING | APPLY_RESIZING,
        APPLY_NONE = 0
    };
 
    virtual cv::Mat getPic(unsigned int index, PictureProcessingFlags flags = APPLY_ALL) = 0;
    virtual unsigned int getPicCount() = 0;
    virtual QString getInputPath() = 0;
    virtual double getFPS() = 0;
    virtual double getVideoDuration() = 0;
    virtual bool isDir() = 0;
    virtual Reader *copy(std::shared_ptr<ReaderParams> params = nullptr) = 0;
    virtual std::vector<std::string> getFileVector() = 0;
 
    virtual SequentialReader *createSequentialReader(std::vector<uint> indices, PictureProcessingFlags flags = APPLY_ALL) = 0;
 
    virtual void enableMultithreading() {}
    virtual void addMetaData(MetaData* md) = 0;
    virtual MetaData* getMetaData() = 0;
    virtual bool isValid() = 0;
};
 
#endif // READER_H