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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Replace Celt with Opus"
href="https://bugs.freedesktop.org/show_bug.cgi?id=58824">58824</a>
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</tr>
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<th>Assignee</th>
<td>spice-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>Replace Celt with Opus
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>bugs@kerrickstaley.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Component</th>
<td>protocol
</td>
</tr>
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<th>Product</th>
<td>Spice
</td>
</tr></table>
<p>
<div>
<pre>Spice depends on Celt 0.5.1, which is very old (0.5.2 came out almost 5 years
ago [1]). Opus [2] is an IETF-standardized codec that supersedes Celt. It's
annoying for package maintainers to support Celt 0.5.1 alongside later versions
of Celt and Opus, and this is helping to prevent Arch Linux from including
Spice in its official repositories [3].
I'm guessing libopus doesn't support Celt 0.5.1's older bitstream format, so
this fix isn't quite trivial: something will have to be done to address older
clients interacting with newer servers and vice versa.
[1] <a href="http://www.celt-codec.org/news/">http://www.celt-codec.org/news/</a>
[2] <a href="http://opus-codec.org/">http://opus-codec.org/</a>
[3] <a href="https://bugs.archlinux.org/task/23453#comment98942">https://bugs.archlinux.org/task/23453#comment98942</a></pre>
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</p>
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