Method and device for analyzing scene description file

The embodiment of the invention provides a scene description file analysis method and device, and relates to the technical field of video processing. Comprising the following steps: determining the type of each touch material attribute carried by each three-dimensional grid in a three-dimensional scene to be rendered according to a scene description file; when the type of a first tactile material attribute carried by a target three-dimensional grid in the three-dimensional scene to be rendered is a reference, obtaining an index value of an accessor index syntax element declaration in a target media reference array of a media reference list of MPEG tactile of a target node description module; the target node description module is a node description module corresponding to a node comprising a target three-dimensional grid, and the target media reference array is a media reference array corresponding to a target tactile media file; and obtaining description information of the tactile media accessor according to