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<title>libogg - function - ogg_sync_wrote</title>
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<td><p class=tiny>libogg documentation</p></td>
<td align=right><p class=tiny>libogg release 1.3.0 - 20110804</p></td>
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<h1>ogg_sync_wrote</h1>

<p><i>declared in "ogg/ogg.h";</i></p>

<p>This function is used to tell the <a href="ogg_sync_state.html">ogg_sync_state</a> struct how many bytes we wrote into the buffer.

<p>
The general proceedure is to request a pointer into an internal
<a href="ogg_sync_state.html">ogg_sync_state</a> buffer by calling
<a href="ogg_sync_buffer.html">ogg_sync_buffer()</a>. The buffer
is then filled up to the requested size with new input, and
ogg_sync_wrote() is called to advance the fill pointer by however
much data was actually available.</p>

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<pre><b>
int ogg_sync_wrote(<a href="ogg_sync_state.html">ogg_sync_state</a> *oy, long bytes);
</b></pre>
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<h3>Parameters</h3>
<dl>
<dt><i>oy</i></dt>
<dd>Pointer to a previously declared <a href="ogg_sync_state.html">ogg_sync_state</a> struct.</dd>
<dt><i>bytes</i></dt>
<dd>Number of bytes of new data written.</dd>
</dl>


<h3>Return Values</h3>
<blockquote>
<li>-1 if the number of bytes written overflows the internal storage of the <a href="ogg_sync_state.html">ogg_sync_state</a> struct or an internal error occurred.
<li>
0 in all other cases.</li>
</blockquote>


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<td><p class=tiny>copyright &copy; 2000-2011 Xiph.Org</p></td>
<td align=right><p class=tiny><a href="http://www.xiph.org/ogg/">Ogg Container Format</a></p></td>
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<td><p class=tiny>libogg documentation</p></td>
<td align=right><p class=tiny>libogg release 1.3.0 - 20110804</p></td>
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author	Chris Cannam
date	Fri, 07 Feb 2020 11:51:13 +0000
parents	05aa0afa9217
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