If you just want to play files, download the latest release.
It will publish the video frames at the full encoded resolution, it is NOT limited to the player window.
This repository is a remote of the vlc Git that you can find here: https://wiki.videolan.org/Git
Why not fork the original? Their environment is not as friendly as GitHub, and have no intention to push this to VLC master branch, so I think it's easier for everybody to get this here. I'll try to merge and update this remote often.
The XCode Project is at
extras/package/macosx/vlc.xcodeproj, but not buildable.
To build VLCSyphon use the Syphon branch:
cd VLCSyphon git checkout Syphon cd build ./make_syphon
The app will be at