public static extern void libvlc_video_set_logo_string(IntPtr p_mi, libvlc_video_logo_option_t option, [MarshalAs(UnmanagedType.LPArray)] byte[] psz_value);
public static extern int libvlc_video_get_logo_int(IntPtr p_mi, libvlc_video_logo_option_t option);
public static extern void libvlc_video_set_logo_int(IntPtr p_mi, libvlc_video_logo_option_t option, int value);
public static extern int libvlc_video_get_logo_int(IntPtr playerInstance, libvlc_video_logo_option_t option);
public static extern void libvlc_video_set_logo_int(IntPtr playerInstance, libvlc_video_logo_option_t option, int value);