#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 "convert.h"
#include "inmemoryfile.h"
#include "miniwebcam.h"
#include "videoframe.h"

#define VDEV_INBUFFERS 3
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;


struct {
	unsigned int id;
	int min;
	int max;
	int value;
	std::string name;
} typedef VideoDevCtrl;

struct {
	unsigned int size;
	unsigned char* data;
} typedef VideoInBuffer;



#include "convert.h"

class VideoDevice {
    private:
    protected:
        std::string conf_videodev;
        uint32_t conf_videofmt;
        int conf_width;
        int conf_height;
        int conf_iomode;
        ConvertData cdata;
    public:
        VideoDevice();
        ~VideoDevice();
    
        virtual int SetDevice(std::string newdevice, int nwidth, int nheight, uint32_t pixfmt) { return 0; };
        virtual int SetIOMode(int newiomode) { return 0; };
        virtual int Start()  { return 0; };
        virtual int Stop() { return 0; };
        virtual int GetFrame (VideoFrame *destframe)  { return 0; };
    	virtual int SetDevCtrl(unsigned int id, int value)  { return 0; };
    	virtual int GetDevCtrl(unsigned int id, int *value) { return 0; };
};


class VideoDevice_V4L2 : public VideoDevice {
    private:
       	std::list<VideoDevCtrl> vidctrls;

       	int inbuffer_idx;
    	VideoInBuffer inbuffer[VDEV_INBUFFERS];
       	struct v4l2_cropcap cropcap;
	    struct v4l2_crop crop;
    	struct v4l2_format fmt;

        int fd;     // filedescriptor to the video device file

        int Open();
        int Close();
        int UnInit();
        int InitMMap();
        int xioctl(int fd, int request, void *arg);
    protected:
    public:
        VideoDevice_V4L2();
        ~VideoDevice_V4L2();

        int SetDevice(std::string newdevice, int nwidth, int nheight, uint32_t pixfmt);
        int SetIOMode(int newiomode);
        int Start();
        int Stop();
        int GetFrame (VideoFrame *destframe);
    	int SetDevCtrl(unsigned int id, int value);
    	int GetDevCtrl(unsigned int id, int *value);

        void PrintCaps(uint32_t caps);
        void PrintFmt(struct v4l2_format *f);
};


#endif