#ifndef _VIDEO_H_
#define _VIDEO_H_

#include <stdint.h>
#include <setjmp.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <getopt.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/mman.h>
#include <linux/videodev2.h>

#include <list>
#include <string>

#include <jpeglib.h>

enum {
	IOMODE_READ,
	IOMODE_MMAP
};

//
// jpeg error handling
//
struct jpg_error_mgr {
  struct jpeg_error_mgr pub;	/* "public" fields */

  jmp_buf setjmp_buffer;	/* for return to caller */
};
typedef struct jpg_error_mgr *jpg_error_ptr;


//
// only contain 24bit each color 8Bit
class VideoFrame {
    private:
        virtual void AllocateFrame();
    protected:
        void FreeFrame();
        int mem_allocated;
        unsigned char *mem;
        int height;
        int width;
    public:
        VideoFrame();
        ~VideoFrame();

        int GetHeight() { return height; };
        int GetWidth() { return width; };
        unsigned char *GetPixBuf() { return mem; };

        int SetSize(int w, int h);
};


class VideoFrameFloat : public VideoFrame {
    private:
        void AllocateFrame();
    protected:
    public:
};


class VideoDevice {
    private:
        int videofd;
    protected:
    public:
        VideoDevice();
        ~VideoDevice();
    
        int SetDevice();
        int Start(int w, int h);
        int Stop();
        int GetFrame(VideoFrame *destframe);
};


#endif