86 lines
2.2 KiB
HTML
86 lines
2.2 KiB
HTML
<html>
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<head>
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<title>libogg - function - ogg_stream_packetpeek</title>
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<link rel=stylesheet href="style.css" type="text/css">
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</head>
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<body bgcolor=white text=black link="#5555ff" alink="#5555ff" vlink="#5555ff">
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<table border=0 width=100%>
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<tr>
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<td><p class=tiny>libogg documentation</p></td>
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<td align=right><p class=tiny>libogg version 1.26 - 20010527</p></td>
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</tr>
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</table>
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<h1>ogg_stream_packetout</h1>
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<p><i>declared in "ogg/ogg.h";</i></p>
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<p>This function attempts to assemble a raw data packet and returns
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it without advancing decoding.</p>
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<p>In a typical situation, this would be called
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speculatively after <a
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href="ogg_stream_pagein.html">ogg_stream_pagein()</a> to check
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the packet contents before handing it off to a codec for
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decompression. To advance page decoding and remove
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the packet from the sync structure, call
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<a href="ogg_stream_packetout.html">ogg_stream_packetout()</a>.</p>
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<br><br>
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<table border=0 color=black cellspacing=0 cellpadding=7>
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<tr bgcolor=#cccccc>
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<td>
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<pre><b>
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int ogg_stream_packetpeek(ogg_stream_state *os,ogg_packet *op);
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</b></pre>
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</td>
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</tr>
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</table>
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<h3>Parameters</h3>
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<dl>
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<dt><i>os</i></dt>
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<dd>Pointer to a previously declared
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<a href="ogg_stream_state.html">ogg_stream_state</a> struct. Before this
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function is called, an <a href="ogg_page.html">ogg_page</a> should be
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submitted to the stream using
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<a href="ogg_stream_pagein.html">ogg_stream_pagein()</a>.</dd>
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<dt><i>op</i></dt>
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<dd>Pointer to the next packet available in the bitstream, if
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any. A NULL value may be passed in the case of a simple "is there a
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packet?" check.</dd>
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</dl>
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<h3>Return Values</h3>
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<blockquote>
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<ul>
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<li>-1 if there's no packet available due to lost sync or a hole
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in the data.</li>
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<li>1 if a packet is available.</li>
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</ul>
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</blockquote>
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<br><br>
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<hr noshade>
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<table border=0 width=100%>
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<tr valign=top>
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<td><p class=tiny>copyright © 2001 xiph.org</p></td>
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<td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/index.html">Ogg Vorbis</a><br><a href="mailto:team@xiph.org">team@xiph.org</a></p></td>
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</tr><tr>
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<td><p class=tiny>libogg documentation</p></td>
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<td align=right><p class=tiny>libogg version 1.26 - 20010527</p></td>
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</tr>
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</table>
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</body>
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</html>
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