These interfaces support DVD playback and navigation.
||Implemented by decoders to indicate various capabilities.
||Block the DVD Navigator Filter until a command starts or completes.
||Navigate and play DVD-Video titles, including karaoke titles.
||Build a filter graph for DVD-Video playback from the available software and hardware on the system.
||Query for various attributes of a DVD disc or the DVD Navigator's state.
||Save the state of the user's session to disk, including playback location, parental level, and region.