问题
I know JMF needs to be used to deal with video, but the JMF api is very confusing and difficult to understand. I saw something like this but what I want to do is the opposite I think.
回答1:
Problem solved. Xuggler is needed for doing the above operation. JMF is useless except for playing videos.
来源：https://stackoverflow.com/questions/2712855/how-to-extract-audio-from-a-video-file-and-make-it-as-javasound-audioinputstream