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Built SDL2_image and _mixer static

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Alan Youngblood
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<html>
<head>
<title>Tremor - function - ov_test_callbacks</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>Tremor documentation</p></td>
<td align=right><p class=tiny>Tremor version 1.0 - 20020403</p></td>
</tr>
</table>
<h1>ov_test_callbacks</h1>
<p><i>declared in "ivorbisfile.h";</i></p>
<p>This is an alternative function used to open and test an OggVorbis_File
structure when using a data source other than a file. It allows you to specify custom file manipulation routines and sets up all the related decoding structures.
<p>Once this has been called, the same <tt>OggVorbis_File</tt>
struct should be passed to all the libvorbisidec functions.
<p>
<br><br>
<table border=0 color=black cellspacing=0 cellpadding=7>
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<td>
<pre><b>
int ov_test_callbacks(void *datasource, <a href="OggVorbis_File.html">OggVorbis_File</a> *vf, char *initial, long ibytes, <a href="ov_callbacks.html">ov_callbacks</a> callbacks);
</b></pre>
</td>
</tr>
</table>
<h3>Parameters</h3>
<dl>
<dt><i>f</i></dt>
<dd>File pointer to an already opened file
or pipe (it need not be seekable--though this obviously restricts what
can be done with the bitstream).</dd>
<dt><i>vf</i></dt>
<dd>A pointer to the OggVorbis_File structure--this is used for ALL the externally visible libvorbisidec
functions. Once this has been called, the same <tt>OggVorbis_File</tt>
struct should be passed to all the libvorbisidec functions.</dd>
<dt><i>initial</i></dt>
<dd>Typically set to NULL. This parameter is useful if some data has already been
read from the file and the stream is not seekable. It is used in conjunction with <tt>ibytes</tt>. In this case, <tt>initial</tt>
should be a pointer to a buffer containing the data read.</dd>
<dt><i>ibytes</i></dt>
<dd>Typically set to 0. This parameter is useful if some data has already been
read from the file and the stream is not seekable. In this case, <tt>ibytes</tt>
should contain the length (in bytes) of the buffer. Used together with <tt>initial</tt>.</dd>
<dt><i>callbacks</i></dt>
<dd>Pointer to a completed <a href="ov_callbacks.html">ov_callbacks</a> struct which indicates desired custom file manipulation routines.</dd>
</dl>
<h3>Return Values</h3>
<blockquote>
<li>0 for success</li>
<li>less than zero for failure:</li>
<ul>
<li>OV_EREAD - A read from media returned an error.</li>
<li>OV_ENOTVORBIS - Bitstream is not Vorbis data.</li>
<li>OV_EVERSION - Vorbis version mismatch.</li>
<li>OV_EBADHEADER - Invalid Vorbis bitstream header.</li>
<li>OV_EFAULT - Internal logic fault; indicates a bug or heap/stack corruption.</li>
</ul>
</blockquote>
<p>
<br><br>
<hr noshade>
<table border=0 width=100%>
<tr valign=top>
<td><p class=tiny>copyright &copy; 2002 Xiph.org</p></td>
<td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/">Ogg Vorbis</a></p></td>
</tr><tr>
<td><p class=tiny>Tremor documentation</p></td>
<td align=right><p class=tiny>Tremor version 1.0 - 20020403</p></td>
</tr>
</table>
</body>
</html>