This filter converts DirectShow interfaces to WDM connection and streaming architecture properties. The filter responds to commands in the stream and handles all user input. This filter reads the DVD stream directly from a DVD disc and produces individual media type outputs, such as audio, video, and subpicture. The DVD navigator/splitter filter interprets the programming language embedded in DVD movies, parental control, multiple languages, and processes most DVD-specific data structures. This installable file system supports UDF-formatted DVD discs.ĭirectShow filters and related support include a DVD navigator/splitter, proxy filters for interfacing with the hardware decoder minidrivers for video, subpicture and audio streams, line21 decoder (closed caption), a video mixer, video renderer, and an audio renderer. NT-based operating systems provide a UDF-installable file system, similar to FAT and NTFS. This class driver provides the ability to read data sectors from a DVD-ROM drive. Support for the DVD-ROM command set, including commands for copyright protection and regionalization, is provided in Windows XP by an updated CD-ROM class driver. Vendors must supply either a DirectShow-compatible software decoder for each required DVD data stream, or provide a WDM streaming-compatible DVD decoder minidriver to support their DVD hardware decoders. Microsoft does not provide MPEG-2 or AC-3 software/hardware decoder filters with Windows XP.
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