Functions to monitor the state of the multimedia renderer.

This file defines the multimedia renderer service, which provides functions for monitoring the multimedia renderer's state. You can use the multimedia renderer to play multimedia files, such as audio or video files, in your applications. You can use the multimedia renderer service to monitor various state properties of the multimedia renderer, such as position and buffer level.

The multimedia renderer service allows you to monitor a specific context, which represents a multimedia object that is being played. Note that this service is used only to monitor the status of a context, and provides no functionality for creating or controlling contexts.