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+<html>
+
+<head>
+<title>libogg - function - ogg_stream_packetpeek</title>
+<link rel=stylesheet href="style.css" type="text/css">
+</head>
+
+<body bgcolor=white text=black link="#5555ff" alink="#5555ff" vlink="#5555ff">
+<table border=0 width=100%>
+<tr>
+<td><p class=tiny>libogg documentation</p></td>
+<td align=right><p class=tiny>libogg release 1.3.2 - 20140527</p></td>
+</tr>
+</table>
+
+<h1>ogg_stream_packetpeek</h1>
+
+<p><i>declared in "ogg/ogg.h";</i></p>
+
+<p>This function attempts to assemble a raw data packet and returns
+it without advancing decoding.</p>
+
+<p>In a typical situation, this would be called
+speculatively after <a
+href="ogg_stream_pagein.html">ogg_stream_pagein()</a> to check
+the packet contents before handing it off to a codec for 
+decompression. To advance page decoding and remove
+the packet from the sync structure, call 
+<a href="ogg_stream_packetout.html">ogg_stream_packetout()</a>.</p>
+
+<br><br>
+
+<table border=0 color=black cellspacing=0 cellpadding=7>
+<tr bgcolor=#cccccc>
+	<td>
+<pre><b>
+int ogg_stream_packetpeek(ogg_stream_state *os,ogg_packet *op);
+</b></pre>
+	</td>
+</tr>
+</table>
+
+<h3>Parameters</h3>
+<dl>
+<dt><i>os</i></dt>
+<dd>Pointer to a previously declared 
+<a href="ogg_stream_state.html">ogg_stream_state</a> struct.  Before this
+function is called, an <a href="ogg_page.html">ogg_page</a> should be
+submitted to the stream using 
+<a href="ogg_stream_pagein.html">ogg_stream_pagein()</a>.</dd>
+<dt><i>op</i></dt>
+<dd>Pointer to the next packet available in the bitstream, if
+any. A NULL value may be passed in the case of a simple "is there a 
+packet?" check.</dd>
+</dl>
+
+
+<h3>Return Values</h3>
+<blockquote>
+<ul>
+<li>-1 if there's no packet available due to lost sync or a hole in the data.</li>
+<li>0 if there is insufficient data available to complete a packet, or on unrecoverable internal error occurred.</li>
+<li>1 if a packet is available.</li>
+</ul>
+</blockquote>
+
+
+<br><br>
+
+<hr noshade>
+
+<table border=0 width=100%>
+<tr valign=top>
+<td><p class=tiny>copyright &copy; 2000-2014 Xiph.Org</p></td>
+<td align=right><p class=tiny><a href="http://www.xiph.org/ogg/">Ogg Container Format</a></p></td>
+</tr><tr>
+<td><p class=tiny>libogg documentation</p></td>
+<td align=right><p class=tiny>libogg release 1.3.2 - 20140527</p></td>
+</tr>
+</table>
+
+
+</body>
+
+</html>