Add a blur view above the videoview

Question

In ios, one can put a UIBlurEffect above the videoview and then the video will be blurred. I am wondering how can i do the same in android or how to blur the video in real time? sorry for my pool English,but i really stuck here,i found a way to blur video with here link,but it only support surfaceview,is there any way blur the video in textureview?

Blunder