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<title>libvorbis - function - vorbis_synthesis_trackonly</title>
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<td><p class=tiny>libvorbis documentation</p></td>
<td align=right><p class=tiny>libvorbis version 1.3.2 - 20101101</p></td>
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<h1>vorbis_synthesis_trackonly</h1>

<p><i>declared in "vorbis/codec.h";</i></p>

<p>This function decodes a Vorbis packet similarly to
<a href="vorbis_synthesis.html">vorbis_synthesis</a>, except that the
<a href="vorbis_block.html">vorbis_block</a> produced does not contain
any audio data but merely updates the decoder's state as though the
block had been actually decoded when
<a href="vorbis_synthesis_blockin.html">vorbis_synthesis_blockin</a>
is called on it.</p>

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<pre><b>
extern int      vorbis_synthesis_trackonly(vorbis_block *vb,ogg_packet *op);
</b></pre>
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<h3>Parameters</h3>
<dl>
<dt><i>vb</i></dt>
<dd>The <a href="vorbis_block.html">vorbis_block</a> to decode the
packet into.</dd>
<dt><i>op</i></dt>
<dd>The ogg_packet to decode.</dd>
</dl>


<h3>Return Values</h3>
<blockquote>
<li>0 on success.</li>
<li>OV_ENOTAUDIO if the packet is not an audio packet.</li>
<li>OV_EBADPACKET if there was an error in the packet.</li>
</blockquote>
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<br><br>
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<td><p class=tiny>copyright &copy; 2010 Xiph.Org</p></td>
<td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/index.html">Ogg Vorbis</a></p></td>
</tr><tr>
<td><p class=tiny>libvorbis documentation</p></td>
<td align=right><p class=tiny>libvorbis version 1.3.2 - 20101101</p></td>
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