Archive:HOW-TO:Fix common 1080p playback issues

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Revision as of 09:18, 8 January 2010 by >Jhsrennie (New page: You may find that 1080p videos play back jerkily and/or drop frames. This is mostly a problem on Windows, but sometimes happens on Linux as well. The problem is usually that decoding video...)
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You may find that 1080p videos play back jerkily and/or drop frames. This is mostly a problem on Windows, but sometimes happens on Linux as well. The problem is usually that decoding video is very CPU intensive and unless your PC has a powerful CPU it simply can't keep up with the video and has to drop frames. If you check the CPU usage you'll probably find it is maxed out.

Modern video cards have processors that can accelerate video playback, however a standard way of doing this has not emerged yet. Recent nVidia cards have a method of acceleration called VDPAU (see http://en.wikipedia.org/wiki/VDPAU) and XBMC supports this but only on Unix. You should find that with a recent nVidia card XBMC Live and XBMC on Ubuntu will play 1080p quite happily. The Windows version of XBMC v9.11 does not support hardware acceleration, but work is in progress on several fronts. This article describes the various ways you can get 1080p videos to play on Windows.

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