Patent ID: 8094160
Filing Date: 2012-01-10
Classification: G06F,H04N

Abstract:
1. A moving-picture processing apparatus, comprising: a pre-fetch memory pre-fetching a portion of a decoded picture stored in an external memory; and a miss/hit determination unit determining a manner in which a miss occurs in response to a read request to the pre-fetch memory specifying a rectangular portion in the decoded picture, the miss/hit determination unit including a determining unit detecting an upside complete miss in response to the rectangular portion fully included in a non-pre-fetch area situated above the pre-fetch area, an upside partial miss in response to the rectangular portion straddling a border between the pre-fetch area and the non-pre-fetch area situated above the pre-fetch area, a downside complete miss in response to the rectangular portion fully included in a non-pre-fetch area situated below the pre-fetch area, and a downside partial miss in response to the rectangular portion straddling a border between the pre-fetch area and the non-pre-fetch area situated below the pre-fetch area.