Video of two frames: frame 1 is a 2x2 black and white checkerboard pattern; frame 2 is frame 1 reversed. This OGV file is intentionally made at 16 pixels wide by 16 pixels high in order to test media players. The original AVI video can be found at <a rel="nofollow" class="external free" href="http://84user.webs.com/tests.html">http://84user.webs.com/tests.html</a> named "<code>cal16x16check_vdnocnoafr1len2.avi</code>" and VLC 1.0.3 was used to convert it to Theora format.
<a href="//commons.wikimedia.org/wiki/User:84user" title="User:84user">84user</a>
self made in IrfanView 4.23, VirtualDub 1.9.3 and ffmpeg2theora-0.25