Provided by: mumble_1.3.0~git20190125.440b173+dfsg-2_amd64
mumble-overlay - load OpenGL overlay for Mumble.
This wrapper will load the OpenGL overlay for Mumble into the application of your choice. This allows you to easily see who is talking even in fullscreen games and applications. Nothing will be shown unless you have Mumble running and it is currently connected to a server.
MUMBLE_OVERLAY_DEBUG If this environment variable is set, extended debugging will be output to standard output. Only useful for debugging.
To run glxgears with the mumble-overlay active: mumble-overlay glxgears
This will only work with OpenGL drivers which support the full OpenGL and GLX specifications.
mumble and murmurd were written by The Mumble Developers. 2015 December 27 mumble-overlay(1)