MPEG-2 PS MPEG-1

最新推荐文章于 2016-11-16 10:44:00 发布

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最新推荐文章于 2016-11-16 10:44:00 发布

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文章标签： compression standards components video audio byte

本文详细介绍了MPEG-2压缩标准中的音频、视频及复用标准，并提供了MPEG-2位流中各组件的数据结构概述。这些数据结构采用伪C语法表示，并通过图表形式直观展示各结构内的字节偏移量，便于解析MPEG-2位流。

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MPEG-1 Data Structures

The ISO/IEC 13818 specification defines the audio, video and multiplexing standards collectively and colloquially referred to as the MPEG-2 (Motion Picture Experts Group) compression standard. The data structures for the various components in an encoded bitstream are given in a pseudo-C syntax, and are extensively discussed. However, it is difficult to get the big picture from reading the spec. More practically, in order to parse an MPEG-2 bitstream, it is necessary to know byte offsets within each structure. To make this information more readily accessible, we have condensed it into graphic form. Of course, this is no substitute for the original spec. Where more information is required than can be squeezed into the diagram, references are provided to the spec.