Whether the #ClutterMedia actor is playing.
The current progress of the playback, as a normalized value between 0.0 and 1.0.
The font used to display subtitles. The font description has to follow the same grammar as the one recognized by pango_font_description_from_string().
The location of a subtitle file, expressed as a valid URI.
The location of a media file, expressed as a valid URI.
The volume of the audio, as a normalized value between 0.0 and 1.0.