HandBrake

HandBrake
HandBrake: Open Source Video Transcoder - http://handbrake.fr/

Great for converting/modifying DVD ISOs and cellphone videos to mp4 videos.

Rotate Video
Can HandBrake flip/rotate a video? - Super User - http://superuser.com/questions/418985/can-handbrake-flip-rotate-a-video

I was able to achieve a 90 deg clockwise rotation by putting the following on the Extra Options under Video tab , --rotate=4

---

no change: , --rotate=0

vertical flip: , --rotate=1

horizontal flip: , --rotate=2

horizontal and vertical flip: , --rotate=3

90 deg clockwise rotate: (breaks windows player?) , --rotate=4

90 deg clockwise rotate with horizontal flip: (breaks windows player?) , --rotate=5

90 deg clockwise rotate and horizontal flip: (breaks windows player?) , --rotate=6

90 deg counter clockwise rotate: (breaks windows player?) , --rotate=7

Note: 8=>0, 9=>1, etc...

---

See also VideoLAN VLC