Masking Video with SVG

Using SVG and the CSS mask property to 'knock out' portions of a video clip. In this example, we're using SVG <text> as the mask.

See the SVG file

At the time of this writing, the example does not work in any version of Internet Explorer.

Tested and works on the following PC platforms:
Firefox (v27.0.1) and Chrome (v33.0.1750.154) on Windows;
Safari (v6.1.2), FF (v28.0) and Chrome (v33.0.1750.152) on Mac;
Firefox (v26.0.1) and Chrome (v31.0.1750.63) on Ubuntu.