This sample shows the necessary code to copy a WMV file. It demonstrates ho...

代码说明：

This sample shows the necessary code to copy a WMV file. It demonstrates how to read compressed samples, write compressed samples, read header attributes and scripts, and modify header attributes.-This sample shows the necessary code to cop y a WMV file. It demonstrates how to read compres sed samples, write compressed samples. read header attributes and scripts, and modify header attributes.