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116 Everything You Ever Wanted to Know About DVD<br />
provide hardware colorspace conversion (YCbCr to RGB) and videoport<br />
overlay (some graphics card makers make a big deal about this even<br />
though all their competitors’ cards have the same feature).<br />
Microsoft Windows 98, 2000, Me, and XP include DirectShow, which<br />
provides standardized support for DVD-Video and MPEG-2 playback.<br />
DirectShow can also be installed in Windows 95 (it’s available for download).<br />
DirectShow creates a framework for DVD applications, but a thirdparty<br />
hardware or software decoder is required (see below). Windows NT<br />
4.0 supports DVD-ROM drives for data, but has very little support for playing<br />
DVD-Video discs. Margi DVD-To-Go, Sigma Designs Hollywood Plus,<br />
and the related Creative Labs Dxr3 are among the few hardware decoders<br />
that work in NT 4.0. InterVideo WinDVD software works in NT 4.0 (National<br />
Semiconductor DVD Express and MGI SoftDVD Max also work in NT 4.0,<br />
but they aren’t available retail.) Windows 98 and newer can read UDF discs.<br />
Version 6.1 of Windows Media Player enabled scriptable DVD playback in<br />
an HTML page (see “How Do I Play DVD Video in HTML, PowerPoint, Director,<br />
VB, and So On?” for more on DVD playback control). Version 7 of Windows<br />
Media Player dropped all DVD support. Version 8 of Windows Media<br />
Player added a user interface for DVD playback, but no scripting. Adaptec<br />
provides a free filesystem driver,UDF Reader, for Windows 95/98/NT. Software<br />
Architects sells Read DVD for Windows 95.<br />
Apple QuickTime 6 is partially ready for DVD-Video and MPEG-2 but<br />
does not yet have full decoding or DVD-Video playback support in place.<br />
Mac OS 8.1 or newer can read UDF discs. Roxio provides a free utility, UDF<br />
Volume Access, that enables Mac OS 7.6 and newer to read UDF discs.<br />
Software Architects sells UDF reading software for Mac OS called DVD-<br />
RAM TuneUp. Intech’s CD/DVD SpeedTools software allows most any DVD<br />
drive to be used with a Mac.<br />
NOTE: The QuickTime MPEG Extension for Mac OS is for MPEG-1<br />
only and does not play MPEG-2 DVD-Video.<br />
DVD player applications (using either software or hardware decoding) are<br />
virtual DVD players. They support DVD-Video features (menus, subpictures,<br />
and so on) and emulate the functionality of a DVD-Video player remote control.<br />
Many player applications include additional features such as bookmarks,<br />
chapter lists, and subtitle language lists.<br />
Microsoft Windows includes a DVD software player, but does not include<br />
the necessary decoder. You must have a third-party software or hardware
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