How to implement Equalizer in Android2.1?

I want to implemen开发者_如何学编程t Equalizer for android 2.1, how to implement Equalizer in android 2.1? Can anyone give me any sample code or reference or idea for that?

As far as I know, the only way is to use an external library, like ffmpeg. It requires to compile it using the NDK (because it's written in C), and then using it via JNI links. I've been trying that for the past 3 (full) days, and if you don't know anything about C, it's just awful...