FFMpegExtractor.h

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#ifndef FFMPEG_EXTRACTOR_H
#define FFMPEG_EXTRACTOR_H

#include <Extractor.h>

class FFMpegExtractor : public Extractor {
public:
    FFMpegExtractor(zmq::context_t & _ctx,
                    const PubSubEndpoint & _source,
                    const std::string & _identifier,
                    const std::string & _destination);
    ~FFMpegExtractor();
    std::string type();
    std::string identifier();
    std::list<std::string> parameters();
private:
    //void extractSetup();
    void extractImpl(unsigned int _width,
                     unsigned int _height,
                     unsigned int _bytesPerPixel,
                     uint64_t highResTime,
                     uint64_t wallTime,
                     zmq::message_t * sourceImage);
    void extractTeardown();
   
    void openStream();
    void closeStream();
    void handleSize(unsigned int _width, unsigned int _height, unsigned int _bytesPerPixel);

    std::string s_identifier;
    std::string destination;
    std::string pix_fmt;
    FILE* ffmpeg = nullptr;
    unsigned char * buffer = nullptr;
    
    unsigned int width;
    unsigned int height;
    unsigned int bytesPerPixel;
    unsigned int reduction = 1;
    bool error;
};

#endif /* FFMPEG_EXTRACTOR_H */