Patent ID: 8121461
Filing Date: 2012-02-21
Classification: G11B,H04N

Abstract:
1. A playback device for a recording medium, the playback device comprising: a capability register indicating whether the playback device has a stereoscopic graphics capability, wherein the recording medium has stereoscopic graphics presence information indicating whether the recording medium has a left-eve graphics steam and a right-eve graphics stream, wherein the playback device uses the left-eve graphics stream and the right-eye graphics stream for a first type graphics playback when (i) an output mode of the playback device is a stereoscopic output mode, (ii) the stereoscopic graphics presence information indicates that the recording medium has the left-eve graphics stream and the right-eye graphics stream, and (iii) the capability register indicates that the playback device has the stereoscopic graphics playback capability, wherein the playback device uses a graphics stream for a second type stereoscopic graphics playback when (i) the output mode of the playback device is the stereoscopic output mode, (ii) the stereoscopic graphics presence information indicates that the recording medium has the left-eye graphics stream and the right-eye graphics stream, and (iii) the capability register indicates that the playback device does not have the stereoscopic graphics playback capability, and wherein, when the playback device uses the graphics stream for the second type stereoscopic graphics playback, graphics data for left-eye and graphics data for right-eye are derived from the graphics stream and outputted, the graphics data for left-eye being different from the graphics data for right-eye.