The d4p_video_poster is an optional element on a d4p_video or d4p_audio element. It is a graphic that displays before the video starts. For audio, the graphic may continue to be displayed while the audio is being played. Exact behavior will depend on the rendering environment. The source of the graphic is specified by the @value attribute.
The d4p_video_poster is specialized from param.
+ topic/param d4p-media-d/d4p_video_poster