int main(int argc, char **argv){
int do_list_formats = 0;
dev_name = "/dev/video0";
int input = 100;
int command = V4L2_CID_GAMMA;
int doCommand = 0;
imageName = "img.png";
while(1){
int index;
int c;
c = getopt_long(argc, argv, short_options, long_options, &index);
if(-1 == c){
break;
}
switch(c){
case 0: /* getopt_long() flag */
break;
case 'd':
dev_name = optarg;
break;
case 'h':
usage(stdout, argc, argv);
exit(EXIT_SUCCESS);
case 'l':
do_list_formats = 1;
break;
case 'a':
command = V4L2_CID_EXPOSURE_AUTO;
input = atoi(optarg);
doCommand = 1;
break;
case 'e':
command = V4L2_CID_EXPOSURE_ABSOLUTE;
input = atoi(optarg);
doCommand = 1;
break;
case 'i':
command = V4L2_CID_GAIN;
input = atoi(optarg);
doCommand = 1;
break;
case 'g':
command = V4L2_CID_GAMMA;
input = atoi(optarg);
doCommand = 1;
break;
case 'o':
imageName = optarg;
break;
case 't':
imageName = NULL;
break;
default:
usage(stderr, argc, argv);
exit(EXIT_FAILURE);
}
}
open_device();
if(doCommand){
int temp = 0;
getControl(&temp, command);
printf("Executing command 0x%X, previous value: %d ", command, temp);
setControl(input, command);
getControl(&temp, command);
printf("current value: %d\n", temp);
close_device();
exit(EXIT_SUCCESS);
}
if(do_list_formats){
list_format_info();
close_device();
exit(EXIT_SUCCESS);
}
init_device();
start_capturing();
mainloop();
stop_capturing();
uninit_device();
printf("\n");
close_device();
exit(EXIT_SUCCESS);
return 0;
}
int
main (int argc,
char ** argv)
{
int do_list_formats = 0;
int do_capture = 1;
dev_name = "/dev/video";
for (;;) {
int index;
int c;
c = getopt_long (argc, argv,
short_options, long_options,
&index);
if (-1 == c)
break;
switch (c) {
case 0: /* getopt_long() flag */
break;
case 'd':
dev_name = optarg;
break;
case 'h':
usage (stdout, argc, argv);
exit (EXIT_SUCCESS);
case 'm':
io = IO_METHOD_MMAP;
break;
case 'r':
io = IO_METHOD_READ;
break;
case 'u':
io = IO_METHOD_USERPTR;
break;
case 'l':
do_list_formats = 1;
do_capture = 0;
break;
default:
usage (stderr, argc, argv);
exit (EXIT_FAILURE);
}
}
//set_framerate ();
open_device ();
if (do_list_formats) {
list_format_info ();
}
if (do_capture) {
init_device ();
start_capturing ();
mainloop ();
stop_capturing ();
uninit_device ();
}
printf ("\n");
close_device ();
exit (EXIT_SUCCESS);
return 0;
}
