FloatImg/v4l2/t.c

/*
 *		tests pour capturer les webcams
 */

#include  <stdio.h>
#include  <stdlib.h>
#include  <unistd.h>
#include  <math.h>
#include  <string.h>

#include  "funcs.h"
#include  "floatimg.h"

int		verbosity;

/* --------------------------------------------------------------------- */
int essai(char *dev, int k)
{
int	vfd, foo;

fprintf(stderr, ">>> %s ( '%s' %d )\n", __func__, dev, k);

vfd = open_device(dev);
fprintf(stderr, "\topen %s -> %d\n", dev, vfd);

foo = init_device(0);
fprintf(stderr, "\tinit -> %d\n", foo);

return k;
}
/* --------------------------------------------------------------------- */
void help(int k)
{
puts("Options :");
puts("\t-d\tselect the video device");
puts("\t-K\tset the K parameter");
puts("\t-l\tlist video devices");
puts("\t-v\tincrease verbosity");
exit(0);
}
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int		foo, opt;

char		*device = "/dev/video0";
int		K = 0;

while ((opt = getopt(argc, argv, "d:hK:v")) != -1) {
	switch(opt) {
		case 'd':	device = optarg;	break;
		case 'h':	help(0);		break;
		case 'K':	K = atol(optarg);	break;
		case 'v':	verbosity++;		break;
		}
	}

if (verbosity) fimg_print_version(0);

foo = essai(device, K);
fprintf(stderr, "\tessai -> %d\n", foo);

return 0;
}
/* --------------------------------------------------------------------- */