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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 - HDMI audio won't pass ac3 through another device"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89479">89479</a>
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<th>Summary</th>
<td>HDMI audio won't pass ac3 through another device
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Radeon
</td>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>linux@cmadams.net
</td>
</tr></table>
<p>
<div>
<pre>I have an AMD E-350 system (Radeon HD6310). When I connect it directly to my
receiver and play a file with AC3 audio, the receiver properly switches over to
Dolby Digital decoding. However, when I connect the HDMI to another device's
pass-through (Vizio TV, Xbox One), the receiver stays in stereo mode and I get
garbage audio. Other devices can send Dolby Digital through (e.g. I tried a
TiVo Roamio through the Vizio TV), so I know it can be done.
I'm guessing there's some bit of HDMI handshake not happening when the Radeon
tries to switch modes and is connected to another device, but I don't know how
to debug that. Please let me know what I can do to figure this out.
I'm testing this with a trailer downloaded from hdtrailers.net, playing with
either XBMC or VLC.</pre>
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</p>
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