FIELD: image processing means.
SUBSTANCE: group of inventions relates to video encoding/decoding equipment. Disclosed is a method of decoding video data. Method comprises the step of decoding a data structure that is associated with a base layer image and a refinement level image in a file or stream, comprising a base layer of a first bitstream of video data and/or a refinement layer of a second video data bitstream, the refinement layer can be predicted based on the baseline. Further, according to the method, the first information is decoded from said data structure, whether it is necessary to treat the base level image as an image of an internal random access point for decoding the refinement layer.
EFFECT: technical result is to enable adaptive resolution change using the scalable video coding/video decoding extension.
18 cl, 24 dwg
