Pipelines are a way for your to create your own video source.  Using a "wspl" file, you can configure a gstreamer pipeline that will work in WS4GL as if it was just another movie or webcam.

In a file with the extention "wspl", put this pipeline:

pipeline=videotestsrc ! video/x-raw-rgb,width=320,height=240 ! ffmpegcolorspace name=tosink

The last item that is the output video needs to be named "tosink".  Using a ffmpegcolorspace is the best option ensuring that the RGB component used to capture the video source with show.

To load your pipeline files, put them in a folder and in the "Source Browser", add this folder to be scanned.  They will show up in the "Pipelines" node.

See the few examples in attachment...

Have fun!