Toolchain to get scores into video?

[David Kastrup]

Here is an example of what I mean:

<URL:http://www.youtube.com/watch?v=gMBJowDdFq4>

This is organized as a vertically scrolling endless paper strip with a
running cursor.

It would also be conceivable to just have a horizontally scrolling
endless staffgroup.

But the question is how to get this kind of thing out of Lilypond and
into a video stream.

Ideas?

-- 
David Kastrup