h.263官方文档,可以在ITU的官网上下载,这里是2005年的建议书,英文的,感觉比中文的来得清晰,中文的也可以在官网上下载,该RAR中还有两个附录,一个是Implementors Guide另一个是Appendix III: Examples for H.263 encoder/decoder implementations对开发263来说是至尊宝点,-h.263 official documents, the officer in the ITU Internet download, here are the recommendations of the 2005 book, in English, I feel more clear than the English, the English can also be downloaded at Crown, which have both RAR in Appendix, the other is a Implementors' Guide are Appendix III: Examples for H.263 encoder/decoder implementations is on the development of 263 points