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video-infos can now print a title

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tth 2019-08-15 12:06:21 +02:00
parent 4aaed6f322
commit c3852b4dee
1 changed files with 23 additions and 7 deletions
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30
v4l2/video-infos.c
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@ -232,35 +232,51 @@ fprintf(stderr, "%s not implemented\n", __func__);
return -1; return -1;
} }
/* --------------------------------------------------------------------- */ /* --------------------------------------------------------------------- */
static void help(int k)
void help(int k)
{ {
puts("Options :"); puts("Options :");
puts("\t-d\tselect the video device"); puts("\t-d\t\tselect the video device");
puts("\t-K\tset the K parameter"); puts("\t-K\t\tset the K parameter");
puts("\t-l\tlist video devices"); puts("\t-l\t\tlist video devices");
puts("\t-v\tincrease verbosity"); puts("\t-T bla\t\tadd a title");
puts("\t-v\t\tincrease verbosity");
exit(0); exit(0);
} }
/* --------------------------------------------------------------------- */ /* --------------------------------------------------------------------- */
static void print_title(char *txt)
{
int foo, l;
l = strlen(txt);
for (foo=0; foo<l+18; foo++) putchar('*'); puts("");
printf("****** %s ******\n", txt);
for (foo=0; foo<l+18; foo++) putchar('*'); puts("\n");
}
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
int foo, opt; int foo, opt;
char *device = "/dev/video0"; char *device = "/dev/video0";
char *title = NULL;
int K = 0; int K = 0;
while ((opt = getopt(argc, argv, "d:hK:lv")) != -1) { while ((opt = getopt(argc, argv, "d:hK:lT:v")) != -1) {
switch(opt) { switch(opt) {
case 'd': device = optarg; break; case 'd': device = optarg; break;
case 'h': help(0); break; case 'h': help(0); break;
case 'K': K = atol(optarg); break; case 'K': K = atol(optarg); break;
case 'l': liste_des_devices(0); break; case 'l': liste_des_devices(0); break;
case 'T': title = optarg; break;
case 'v': verbosity++; break; case 'v': verbosity++; break;
} }
} }
if (NULL != title) {
print_title(title);
}
foo = show_webcam_infos(device, "", K); foo = show_webcam_infos(device, "", K);
fprintf(stderr, "\n\tshow_webcam_infos -> %d\n", foo); fprintf(stderr, "\n\tshow_webcam_infos -> %d\n", foo);