平面准均匀B样条曲线的生成，可以反求控制顶点-Planar quasi-uniform B-spline curve is generated, you can reverse control points

代码例程，讲解如何使用ffmpeg进行编解码，同时说明了ts流如何封装，一个不错的示例。-Code examples to explain how to use ffmpeg codec, while ts stream explains how to package, a good example.