id	summary	reporter	owner	description	type	status	priority	component	version	resolution	keywords	cc	blockedby	blocking	reproduced	analyzed
1615	video diff filter	ylluminate		"It would be useful to have a visual diff tool for videos that will create a resultant differential video of two videos.  This could be used in a number of scenarios from simply seeing more easily the differences of one encode to the next to many other applications.

With some overlay+pad magic you should be able to compare img1,img2 and diff on the same image.  Similarly should function with vid frames.

It would be useful to have a few different styles of diffing from an outline to color inversion and clipping similar to what is demonstrated here: http://jeffkreeftmeijer.com/2011/comparing-images-and-creating-image-diffs/"	enhancement	open	wish	avfilter	git-master						1	0