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You Can Improve Video Playback by Using DirectVideo

PSS ID Number: Q147658

Article Last Modified on 12-7-2001

The information in this article applies to:
DirectVideo is designed to provide transparent video playback speed improvements with video cards offering DirectDraw support. Video playback applications do not require recompilation because DirectVideo does not introduce any new APIs; DirectVideo is simply an MCIAVI draw handler that uses DirectDraw. Draw handlers are responsible for drawing the stream data, as demonstrated in the MCIPUZZL sample found in the Win32 Software Development Kit. DirectVideo is designed to provide transparent video playback speed improvements with video cards offering DirectDraw support. Video playback applications do not require recompilation because DirectVideo does not introduce any new APIs; DirectVideo is simply an MCIAVI draw handler that uses DirectDraw. Draw handlers are responsible for drawing the stream data, as demonstrated in the MCIPUZZL sample found in the Win32 Software Development Kit.

DirectVideo is available only from independent video board manufacturers who distribute it with their hardware and hardware-specific drivers. Application developers will benefit from DirectVideo as new video boards hit the market that offer the key capabilities listed below.

The hardware improvements that DirectVideo makes available include:

Additional query words: 1.00 DirectX overlay direct video dvideo.dll custom draw handler proc procedure stream

Keywords: kbmm
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