本文档规定了VC-2编码图片到MXF的映射。具体来说，它定义了如何将VC-2流（或流的一部分）映射到MXF通用容器的图片元素。本标准规定了VC-2图片元素的键、长度和值字段。本标准还定义了精华容器标签和图片精华压缩标签、VC-2子描述符以及从VC-2流到CDCI图片精华描述符的信息映射。

This document specifies the mapping of VC-2 coded pictures into MXF. Specifically, it defines how to map a VC-2 stream (or part of a stream) into a Picture Element of a MXF generic container.This standard specifies the Key, Length and Value fields of a VC-2 Picture Element. This standard also defines the Essence Container Label and Picture Essence Compression Label, a VC-2 Sub-Descriptor and the mapping of information from the VC-2 stream to the CDCI Picture Essence Descriptor.