Patent ID: 6934906
Filing Date: 2005-08-23
Classification: G06F,H04L,H04N

Abstract:
1. A method of rendering a scene, the method comprising: obtaining first information including a part of a MPEG-4 BIFS scene description stream and at least one coded MPEG-4 media stream; decoding the first information using a BIFS scene decoder and one or more specific application decoders associated with the scene description; obtaining second information including a second part of a BIFS scene description stream that contains a reference to an external application, wherein the reference to the external application includes a coded representation of a Universal Resource Locator relating to a location where software for an external application decoder resides; decoding the second information using the BIFS scene decoder and the external application decoder; composing an integrated scene including one or more decoded MPEG-4 media objects and one or more external application objects specified in the decoded MPEG-4 BIFS scene description stream and the decoded BIFS scene description stream; and rendering the composed integrated scene.