Patent ID: 8208791

Claim:
An authoring method of recording an input stream as a stream in a predetermined format to a recording medium, the authoring method comprising: separating the input stream into a video stream and an audio stream; generating content information by multiplexing the video stream and the audio stream, generating control information for managing reproduction of the stream, and generating incomplete disk image data based on the content information and the control information, the incomplete disk image data (i) being a series of data which is basically in conformity with the predetermined format and (ii) including reproduction control information which is defined by the predetermined format and which includes a part of the reproduction control information that is lacking; generating analysis information required for generating the lacking part of the reproduction control information, simultaneously with the generating of the incomplete disk image data; and generating complete disk image data by rewriting the lacking part of the reproduction control information in the incomplete disk image data with reference to the analysis information after the generating of the incomplete disk image data, wherein the predetermined format is a format according to which the reproduction control information is included in the stream.