/// <summary>
/// Queries the device for its capabilites.
/// </summary>
private void fetchDevice()
{
v4l2_capability dv = new v4l2_capability();
if (ioControl.QueryDeviceCapabilities(ref dv) < 0)
{
throw new Exception("VIDIOC_QUERYCAP");
}
device = dv;
}
/// <summary>
/// Calls VIDIOC_QUERYCAP.
/// </summary>
public int QueryDeviceCapabilities(ref v4l2_capability cap)
{
return(ioctl(deviceHandle, v4l2_operation.QueryCapabilities, ref cap));
}
ioctl(int device, v4l2_operation request, ref v4l2_capability argp);
