Monogram GraphStudio is a DirectShow graph editor. It's designed as an alternative to Microsoft Graph Edit in the Windows SDK with many additional features.
Detailed System, Filter, Pin, MediaType information
Registry modification (add/remove types for filters manually)
Information on registered filters (CLSID, name, file, version, location)
Detection of broken registry entries
Easier graph construction
Support for DVB, DVD, Capture graphs
Inspection of media type formats including header parsing for existing codecs such as H.264, MPEG-2 â€¦
Dumping of media type formats for later analysis
It is also popular for codec users as GraphStudioNext will allow you to load your media files into a graphical interface and show you the codecs being used to render them. It will show you every DirectShow codec, filter, and post-processor in-between you and your files.
While development stopped in 2009, we successfully ran Monogram GraphStudio under Windows 10. However, the project has been picked up with a fork known as GraphStudioNext, adding features and fixing bugs.