Using the plus key on the iPhone to take pictures and video’s is handy but what I didn’t know was that it matters which way the keys face. For pictures, flipping is easy. But for video’s you need a tool. Windows Movie Maker is a cheap solution but for those die hard HandBrake users flipping video’s is not so easy. The GUI doesn’t have an obvious option but a little google research shows that by adding “-7 –rotate <3>” in the “Extra Options” window in the Video Tab does the trick, at least for 180.
Here is the URL I used which has several solution of which the one above seemed to work best for the latest version of Handbrake:
Here’s the screenshot: