I have a telecined avi video captured by Virtualdub (it seems in RGB888 format). I used Virtualdub to do the vertical flip and saved as avi - same format. I also extracted BMP files and created a new video from the individual BMP-files using Virtualdub. When I open these videos in Avidemux I just see green stripes and some shadows of the picture. What is wrong? Does it have something to do with the audio channel? I do not need audio so can be removed.