TRANSPORT OF STEREOSCOPIC IMAGE DATA OVER A DISPLAY INTERFACE

摘要

A digital display interface (40) connects a first audio-visual device (10) to a second audio-visual device (20). Stereoscopic image data is transmitter over the display interface (40). Components of stereoscopic image data are multiplexed and inserted into an image data carrying element. An existing deep color mode can be re-used for this purpose. Signaling information to help identify or decode the stereoscopic image data is carried in auxiliary data carrying elements. Stereoscopic image data can be distributed between image data carrying data elements and auxiliary data carrying data elements. Auxiliary data carrying elements can be transmitted in horizontal or vertical blanking periods, and can comprise HDMI Data Island Packets. Stereoscopic image data can be sent over an auxiliary data channel. The auxiliary data channel can form part of the same cable as is used to carry a primary channel of the display interface, a separate cable, or a wireless link.

主权项

1. An interface part for a digital display, for use in a first audio-visual device for supporting a digital display transmission interface between the first audio-visual device and a second audio-visual device, the interface for transmitting uncompressed pixel information, the interface part comprising:
an input for receiving image data; a formatter configured to format the received digital data for transport over a transmission interface, wherein the formatter is operable in:
a first mode in which the formatter generates a stream of first data elements comprising pixel data of a 2D image; and;a second mode, different from the first mode, operating at different times than the first mode, in which the formatter generates a stream of second data elements comprising a multiplexed combination of components of a stereoscopic image; wherein the interface part is configured to send signaling information across the transmission interface, the signaling information identifying which mode the formatter is using; wherein the signaling information comprises information with respect to a multiplexing scheme used in a second mode for enabling the second audio-visual device to determine a decoding scheme to be used to decode a stereoscopic image format being used in the second mode; wherein the formatter is configured to generate a stream of data elements comprising either the first or second data elements and auxiliary data carrying data elements at intervals in the stream; and the signaling information being carried in the auxiliary data elements.