Patent ID: 8600221

Claim:
A method of recording a video stream in an optical disc, wherein the optical disc has a first folder for storing video streams with a first resolution, a second folder for storing audio streams, and a third folder for storing video streams with a second resolution, and wherein the second resolution is higher than the first resolution, the method comprising: receiving a selection signal for selecting a video file with the second resolution that is stored in an HDD (hard disc drive); recording, in a control data zone of a lead-in area of the optical disc, stream type information for indicating the first or second resolution, wherein the stream type information is set to information indicating the second resolution; generating, from the video file with the second resolution, a data set including a video stream reading file with the second resolution and a video stream information file corresponding to the video stream reading file; and recording the data set in the third folder, wherein the data set has a serial number which is larger than a serial number of a previously-recorded video stream reading file and video stream information file data set.