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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - bad performance with 4k h264 video"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93573">93573</a>
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<th>Summary</th>
<td>bad performance with 4k h264 video
</td>
</tr>
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<th>Product</th>
<td>xorg
</td>
</tr>
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<th>Version</th>
<td>git
</td>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Driver/nouveau
</td>
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<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>freedesktop@karolherbst.de
</td>
</tr>
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<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr></table>
<p>
<div>
<pre>I noticed a while back already, that nouveau handles 4k video not that well
currently.
I tried it out with the cactus-4k video from here:
<a href="http://www.elementaltechnologies.com/resources/4k-test-sequences">http://www.elementaltechnologies.com/resources/4k-test-sequences</a>
Nvidia doesn't have any problem playing that video at full speed, but on my
kepler nve6 card even full reclocked nouveau only handles this at 45% speed and
the PVLD engine is at max load (only around 80% with nvidia)</pre>
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</p>
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