Cable broadcast receiver and 3D video data processing method thereof

A broadcast receiver comprising:

• a receiving unit for receiving the broadcast signal including service data and signaling data for a service;
• and
• a decoder for decoding the service data and the signaling data,
• wherein the service data includes frames comprising two constituent frames that are packed into one frame,
• wherein the two constituent frames form a left view and a right view of a stereo view scene,
• wherein the signaling data includes service type information indicating a category of the service,
• wherein the broadcast signal includes image format information,
• wherein the image format information includes arrangement type information indicating a type of packing arrangement of the frames,
• wherein the image format information further includes spatial flipping information indicating that one of the two constituent frames is spatially flipped relative to its intended orientation for display, and
• wherein the image format information further includes image flipped information indicating which one of the two constituent frames is flipped.