Abstract: A measuring apparatus for measuring a stereo video format includes an active space measuring circuit and a decision circuit. The active space measuring circuit is utilized for determining a position of an active space of a frame packing to generate an active space measuring result according to pixels values of a plurality of scan lines of the frame packing. The decision circuit is coupled to the active space measuring circuit, and is utilized for determining the stereo video format according to at least the active space measuring result.

Abstract: A measuring apparatus for measuring a stereo video format includes an active space measuring circuit and a decision circuit. The active space measuring circuit is utilized for determining a position of an active space of a frame packing to generate an active space measuring result according to pixels values of a plurality of scan lines of the frame packing. The decision circuit is coupled to the active space measuring circuit, and is utilized for determining the stereo video format according to at least the active space measuring result.

Abstract: The present invention discloses an optical disc drive controlling system. The system includes: a first memory for storing at least a program code; and a control circuit for controlling operation of the optical disc drive controlling system. The control circuit includes: a communication interface coupled to the first memory for accessing the first memory; and a second memory coupled to the control circuit; wherein before storing the program code read from the first memory into the second memory, the control circuit transmits or receives signals which are only related to the operation of the first memory through the communication interface, and after storing the program code read from the first memory into the second memory, the control circuit transmits or outputs signals which are not related to the operation of the first memory through the communication interface.