Method and system for updating mapping flag in optical recording medium

申请公布号：US7073091(B2)

申请号：US20030390632

申请日期：2003.03.19

申请公布日期：2006.07.04

申请人：

MEDIATEK INC.

发明人：LEE MING-HUNG

分类号：G06F11/00;G11B20/18;H04L1/22

主分类号：G06F11/00

摘要：This invention is for updating a straight mapping flag in an optical recording medium having defect table blocks (DTBs) in a detect table (DT). When data that should be recorded in a predetermined block in one data area is later recorded in a replacement block in one spare area because the predetermined block is defective, record associated information in a entry in one DTB, and the entry is marked as recorded and sequentially arranged. Determine an examining sequence of the DTBs with a predetermined block-sequence determination procedure and perform a predetermined block-examining procedure to the DTBs one by one with the determined examining sequence. Examine whether the DTB comprises any recorded entries. Examine the recorded entries with a predetermined entry-examining procedure, to acquire the associated information of the defective blocks in recorded entries and update the corresponding straight mapping flag to be non-straight mapping based on the acquired associated information.

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