Returns the video output devices the backend supports.
Returns
A list of VideoOutputDevice objects that give a name and description for every supported video output device. Returns the video capture devices the backend supports.
A list of VideoCaptureDevice objects that give a name and description for every supported video capture device. Returns the visualization effects the backend supports.
A list of VisualizationEffect objects that give a name and description for every supported visualization effect. Returns descriptions for the audio effects the backend supports.
A list of AudioEffectDescription objects that give a name and description for every supported audio effect.