ofV4LUtils.h File Reference

#include "ofConstants.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <time.h>
#include <linux/videodev.h>

Go to the source code of this file.

Defines
#define	HAVE_V4L   1
#define	LIMIT(x)   ((x)>0xffffff?0xff: ((x)<=0xffff?0:((x)>>16)))
Functions
bool	openV4L_device (const char *device_name)
void	initialiseV4L_device (const char *device_name)
bool	initV4L (int width, int height, const char *devname)
bool	queryV4L_imageProperties (void)
bool	setV4L_palette (int palette, int depth)
bool	setV4L_imageProperties (void)
bool	setV4L_videoSize (int width, int height)
bool	getFrameV4L (unsigned char *pixels)
void	closeV4L (void)
bool	mmapV4L (void)
int	getV4L_Height ()
int	getV4L_Width ()
void	writePPM (unsigned char *data, char *filename, int width, int height)
void	swap_rgb24 (unsigned char *mem, int n)

---

Define Documentation

#define HAVE_V4L   1

#define LIMIT

(

x )

((x)>0xffffff?0xff: ((x)<=0xffff?0:((x)>>16)))

---

Function Documentation

void closeV4L

(

void

)

bool getFrameV4L

(

unsigned char *

pixels )

int getV4L_Height

(

void

)

int getV4L_Width

(

void

)

void initialiseV4L_device

(

const char *

device_name )

bool initV4L	(	int	width,
		int	height,
		const char *	devname
	)

bool mmapV4L

(

void

)

bool openV4L_device

(

const char *

device_name )

bool queryV4L_imageProperties

(

void

)

bool setV4L_imageProperties

(

void

)

bool setV4L_palette	(	int	palette,
		int	depth
	)

bool setV4L_videoSize	(	int	width,
		int	height
	)

void swap_rgb24	(	unsigned char *	mem,
		int	n
	)

void writePPM	(	unsigned char *	data,
		char *	filename,
		int	width,
		int	height
	)