US 7,565,060 B2
Reproducing apparatus, reproducing method, reproducing program, and recording medium for multi-angle video reproduction
Toshiya Hamada, Saitama (Japan); and Motoki Kato, Kanagawa (Japan)
Assigned to Sony Corporation, Tokyo (Japan)
Appl. No. 10/519,422
PCT Filed Apr. 22, 2004, PCT No. PCT/JP2004/005805
§ 371(c)(1), (2), (4) Date Dec. 23, 2004,
PCT Pub. No. WO2004/098183, PCT Pub. Date Nov. 11, 2004.
Claims priority of application No. 2003-121595 (JP), filed on Apr. 25, 2003.
Prior Publication US 2005/0254363 A1, Nov. 17, 2005
Int. Cl. H04N 5/76 (2006.01)
U.S. Cl. 386—98  [386/126] 16 Claims
OG exemplary drawing
 
1. A reproducing apparatus for reproducing content data recorded on a recording medium, the reproducing apparatus comprising:
means for receiving, from a drive device that reads the recording medium, a video stream, a first flag for each reproduction unit of the video stream, a number of angles that each reproduction unit contains, and position information that represents positions of the angles on the video stream, each first flag indicating whether or not the corresponding reproduction unit can be reproduced with a plurality of angles, wherein each reproduction unit includes a plurality of encode units having one or more frames, and the reading means is configured to read a second flag for each encode unit from the recording medium, each second flag indicating whether or not a current angle can be switched at the beginning of the corresponding encode unit; and
reproducing means for controlling the drive device so that the video stream having the plurality of angles is read in accordance with the position information.