根據自己對AviSynth的了解及官方網頁的詮釋{
A frameserver is an application that feeds video directly to another application.
AviSynth and most other frameservers accomplish this by creating a fake file
that other programs can read as if it were a very large (usually uncompressed) AVI file.
}所意會出的關係圖
被呼叫: 意味者被當成函式使用(filter、plug-in...等DLL)
被使用: 取其有用的資料，不同於被呼叫之完整被引用
之所以稱韌體Player是因為其介於硬體及使用者軟體控制
[韌體Player]+[DirectShow]+[控制層]=Player (三者不一定皆存在)
PS. 越下層代表越接近機械語言
