Pixelocybe is a dynamic mosaic filter, which produces mosaic blocks per pixel depending on its luminosity or the luminosity of the input layer. The result is much trippier than in sounds. One of the most powerful features of the plugin is that it accepts a second layer as an input. This allows you to pipe any inputs or filters into Pixelocybe, creating endless combinations.

Here's a visual demonstration how a video looks like when combined by various shades of black and white, the original video and the original video with gaussian blur applied.