media is the
convention. It negotiates each declared track with the client and binds a live
InputBuffer to each field. See
Video & Audio Tracks.
Input is the old name for this class. It still imports, with a deprecation warning.MediaInput
Base for the tracks your model receives.
Base for the tracks your model receives. Subclass it with one field per track you expect a client
to publish, then annotate it on your model.
The runtime finds the holder by its type, so the attribute name is yours;