Image coding apparatus and method, image decoding apparatus and method, and recording medium

摘要

This invention is intended to prevent a mismatch from occurring between a re-encoded and recorded video stream and other data. A transport stream inputted in a recording apparatus is supplied to a demultiplexer and an analyzing block. The analyzing block outputs non-video stream information to a coding controller. The coding controller controls the encoding operation of an encoder on the basis of the inputted information and outputs video coding control information to a coding block. On the basis of video coding control information, the coding block generates multimedia display sub information (including information about a picture frame for example) which prevents a mismatch from occurring between video and other data on the reproducing side and outputs this information to a writing block. The writing block records the video stream and other data to a recording medium as well as the multimedia display sub information generated by the coding block. <IMAGE>