ProVJ2 is a proprietary software based VJ mixer.

Development version specification: Loop: Any QuickTime 5.01 supported file. Movie, still image or Flash animation. Effects: RGB - color correction Invert Speed adjust Reverse playback Horizontal & Vertical flipping Layer: Collection of 20 loops. Can present one of the loops to composition with layer effects applied to it.	This is a shot of the interface.
This is a picture of the final output.	Effects: Automatic loop switching Strobe Video texture coordinate transform 3D-Transform Blending (additive, subtractive, crossfade) Black color-keying Mirror-effect Masking Composition: A mix of three layers. Player has 12 composition save places. Each composition has 10 real-time recordable macros. File format details: Recommended resolutions are 320*240 for QuickTime movies and 512*384 for Flash movies. 512*384 is the maximum resolution the program is using. Any higher resolution is scaled down. Recommended codecs for QuickTime movies Sorenson Video 3. Data rate should be around 800-1200 kb/sec. No sound tracks in the movies. Any alpha information is not used for now.

ProVJ runs on PC only, however since it was custom developed, it is doubtful you will ever be able to find a copy of it.