void Y_camera_obj(int argc) {
tCamera *camera = (tCamera *) ypush_obj(&camera_yObj, sizeof(tCamera));
// memset(handle,0,sizeof(tCamera));
try {
// initialise the Prosilica API
if (!PvInitialize()) {
// wait for a camera to be plugged
waitForCamera();
// get a camera from the list
cameraGet(camera);
// setup the camera
cameraSetup(camera);
} else {
throw "failed to initialise the API\n";
}
} catch ( string msg ) {
y_error(msg.c_str());
}
catch ( char const * msg ) {
y_error(msg);
}
}
yav_ctxt *ypush_av()
{
yav_ctxt * obj = (yav_ctxt *)ypush_obj(&yav_ops, sizeof(yav_ctxt));
obj->picture=0;
obj->tmp_picture=0;
obj->video_outbuf=0;
obj->frame_count=0;
obj->video_outbuf_size=0;
obj->oc=0;
obj->video_st=0;
obj->img_convert_ctx = 0;
obj->codec=0;
obj->open=0;
// audio_st=0;
return obj;
}
void Y_usb_open_device(int argc)
{
ydev_instance_t *obj = NULL;
libusb_device* dev;
int bus, port;
int i, ret;
if (argc != 2) {
y_error("expecting exactly 2 arguments");
}
bus = ygets_i(1);
port = ygets_i(0);
load_device_list();
for (i = 0; i < dev_count; ++i) {
dev = dev_list[i];
if (libusb_get_bus_number(dev) == bus &&
libusb_get_port_number(dev) == port) {
obj = (ydev_instance_t *)ypush_obj(&ydev_class, sizeof(ydev_instance_t));
obj->device = libusb_ref_device(dev);
ret = libusb_open(obj->device, &obj->handle);
if (ret < 0) {
obj->handle = NULL;
failure("failed to open device", ret);
}
obj->bus = bus;
obj->port = port;
obj->address = libusb_get_device_address(dev);
ret = libusb_get_device_descriptor(dev, &obj->descriptor);
if (ret != 0) {
free_dev_list();
failure("unable to get device descriptor", ret);
}
break;
}
}
free_dev_list();
if (obj == NULL) {
ypush_nil();
}
}
