微软推出XP用的HD视频加速补丁-快科技-科技改变生活

微软推出XP用的HD视频加速补丁

Duo
2005年06月09日 10:38
0

Register报道，微软日前推出了一个补丁，该补丁允许操作系统通过nVIDIA GeForce 6系列的GPU来对Windows Media Video HD的电影进行解码。

nVIDIA将其WMV-HD加速技术称为PureVideo，并且宣称其GPU能够协同工作，从而能够减少主机处理器的视频解码工作量达到40％，这样CPU就能够继续进行其他方面的工作了。

当然，其它制造商生产的GPU也可以进行类似的工作。微软日前简单的更新了其用于Windows Media Player 10的DirectX Video Acceleration(DXVA) API，因此所有兼容DXVA的显卡都能够享受这项新功能了。

用户同样也需要进行另外一项号码为891122的补丁，该补丁将会对Windows Media的DRM子系统进行调整。另外，WMV HD更新只对编码在720p或者1080p的视频有效，并且fps必须小于或者等于30fps。更多信息，可以参看这里：http://www.support.microsoft.com/default.aspx?scid=kb;en-us;888656

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