Here's a new OpenGL wikibook tutorial to make your own video by capturing the OpenGL calls and replaying them later - using apitrace!

The following video is a sample capture with a wave-like post-processing effect I'm working on:

Regarding the ffmpeg crash: You might be hitting ffmpeg bug #397: - Packages from are already fixed.
Comment by Anonymous Wed Oct 12 13:39:09 2011
I almost tried debian-multimedia, but this requires to upgrade/remove a number of other libraries, including one used by VLC, plus it uses ffmpeg instead of libav :)
Comment by beuc Wed Oct 12 21:43:12 2011