How to call ffmpeg from Activity?

Question

I want to use ffmpeg to change the resolution of video.

However, i don't know how can i call ffmpeg executable from activity in android.

I am using eclipse and Windows 7

Any help will be appreciated.

Answer 1

You should follow basically this steps:

1. Build ffmpeg for android (http://bambuser.com/opensource)
2. Load the ffmpeg library (*.so) on your app
3. Use native calls (JNI) to call ffmpeg APIs