30 second timer using marbles. Made with K'NEX
In the video you can see that the actual time is about 29.433 seconds which is reasonably close to 30.
Info on creating the video available here:
http://hardlikesoftware.com/weblog/2011/09/08/video-editing-with-pitivi/
@mheermance
That is explained in the blog. Follow the link above.
Short answer pango timer overlay gstreamer plugin and PiTiVi alpha filter.
jjsnyders 5 months ago
Fun project. How did you add the real time clock overlay to the video?
mheermance 5 months ago