I captured video from my sisters camcorder into Pinnacle Studio 7. All of the thumbnails are upside down but the video plays and outputs normally.

I can reencode the video with virtual dub and the new avi does not have the above problem. It will take many hours to reencode the video and I don't really know how to set things so that the new video is as good as the first. It warns me to put in a keyframe interval and I don't know what the proper interval is. I am looking around for a tutorial on that but I wonder if there is a quicker fix for this/

I don't know the name of the camcorder.

Thanks