详尽地论述了H.264 特点、编码器原理、解码器原理、编解码器的实现。为了更好地理解H.264 编解码原理及其实现，第7 章详细介绍了H.264 码流的句法和语义。最后对H.264 视频编码传输的QoS 进行了专门地论述。-H.264 are discussed in detail the characteristics of the principle of encoders, decoders principle, the realization of codec. To better understand the H.264 codec principle and its realization, Chapter 7 details H.264 bitstream syntax and semantics. Finally, H.264 video encoding transmission QoS for a special discussion.