Patent ID: 6791625
Filing Date: 2004-09-14
Classification: H04N

Abstract:
A video processing method comprising:storing setting information to a setting information holding unit by a processor unit configured for performing encoding/decoding processing of data stored in a memory which stores only effective video data; generating by an address generating unit a rectangular access address according to the setting information; controlling by a memory control unit one of writing and reading to/from the memory in accordance with the rectangular access address to perform data transmission; and controlling, apart from the address generating unit, access positions in a horizontal direction and in a vertical direction, and, when an access position exists outside the effective video data region in the memory, controlling, by the address control or address conversion, an address of the address generation unit to have an address value indicating a pixel position existing at the periphery of the effective video data region in the memory, said pixel Position being closest to pixel data closest to the effective video data region.