void life_cycle() {
fprintf(stderr, "Beginning life cycle\n");
if (!dev_name) {
if (vendor >= 0 || product >= 0) {
if (vendor < 0 || product < 0) {
err("Either give both vendor and product ID or none");
}
int dev_id = find_camera(vendor, product);
if (dev_id >= 0) {
snprintf(dev_name_buf, FULLNAME_MAX_LEN, "/dev/video%d", dev_id);
dev_name = &dev_name_buf[0];
} else {
err("Could not find device");
}
} else {
dev_name = "/dev/video0";
}
}
fprintf(stderr, "Using device %s\n", dev_name);
open_device();
init_device();
start_capturing();
mainloop();
stop_capturing();
uninit_device();
close_device();
fprintf(stderr, "Finishing life cycle\n");
}
int qhy5ii_iscamera()
{
return find_camera(VENDOR_ID, PRODUCT_ID);
}