原文轉貼：
How to enable DirectX Video Acceleration (DXVA) in Windows Media Player 10
The following steps will help you enable
DirectX Video Acceleration (DXVA) within Windows Media Player 10

1.Install Catalyst 5.6 or higher. Drivers before Catalyst 5.5 to not support DXVA acceleration
a.Reboot

2.Install Windows DRM update
a. http://www.microsoft.com/downloads/...08-1FD6E7827CD8
b.Reboot
Note: Please refer to this article for more information: Update for Windows Media Digital Rights Management-enabled players
http://support.microsoft.com/kb/891122/

3.Install the following Windows Media Player Hotfix
a. http://download.microsoft.com/downl...-global-enu.exe
Note: Please refer to this article for more information on the Hotfix: Update to enable DirectX Video Acceleration (DXVA) of Windows Media Video content in Windows Media Player 10
http://support.microsoft.com/defaul...kb;en-us;888656

4. Go into Catalyst Control Center. Switch to Advanced view

5. Go to the Video, All Settings

6. Scroll to the bottom of the Catalyst Control Page to find the Windows Media Setting option and ensure Windows Media Video Acceleration is checked on.

7. Start Windows Media Player 10, go into Tools, Options (if the menu bar is not available, double the click title bar to dispaly)

8. Open the Performance tab and click Advanced under Video Acceleration

9. Ensure Use high quality mode is selected. Click OK, OK.