Essentially any avi/mpg/whatever to DVD converter that supports input using avisynth scripts will work.
1) install avisynth: http://sourceforge.net/projects/avisynth2/files/
2) use google to find a one-click turn xx file into dvd that supports .avs input (all this file is is a text file that tells how to load/modify the file) ... for instance I think AVI2DVD supports .avs file inputs (http://www.afterdawn.com/software/audio_video/convert_video/avi2dvd.cfm)
the script should only contain these two lines (clipname.avs):
DirectShowSource("C:\folder\clipname.avi")
turnleft()
or use turnright() depending on the orientation. you should be able to open this .avs file in media player classic and actually see it rotated if it's all working properly. Pretty sure as well the directshowsource line can be used for any input format (I tried .mkv and that works fine).
asus z170-A || core i5-6600K || geforce gtx 970 4gb || 16gb ddr4 ram || win10 || 1080p led samsung 27"