73 lines
2.5 KiB
HTML
73 lines
2.5 KiB
HTML
|
<html>
|
||
|
|
|
||
|
|
<head>
|
||
|
|
<title>Vorbisfile - function - ov_bitrate</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>Vorbisfile documentation</p></td>
|
||
|
|
<td align=right><p class=tiny>vorbisfile version 1.3.2 - 20101101</p></td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
|
||
|
|
<h1>ov_bitrate</h1>
|
||
|
|
|
||
|
|
<p><i>declared in "vorbis/vorbisfile.h";</i></p>
|
||
|
|
|
||
|
|
<p>This function returns the average bitrate for the specified logical bitstream. This may be different from the <a href=ov_info.html>ov_info->nominal_bitrate</a> value, as it is based on the actual average for this bitstream if the file is seekable.
|
||
|
|
<p>Nonseekable files will return the nominal bitrate setting or the average of the upper and lower bounds, if any of these values are set.
|
||
|
|
<p>
|
||
|
|
|
||
|
|
<br><br>
|
||
|
|
<table border=0 color=black cellspacing=0 cellpadding=7>
|
||
|
|
<tr bgcolor=#cccccc>
|
||
|
|
<td>
|
||
|
|
<pre><b>
|
||
|
|
long ov_bitrate(OggVorbis_File *vf,int i);
|
||
|
|
</b></pre>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
|
||
|
|
<h3>Parameters</h3>
|
||
|
|
<dl>
|
||
|
|
<dt><i>vf</i></dt>
|
||
|
|
<dd>A pointer to the OggVorbis_File structure--this is used for ALL the externally visible libvorbisfile
|
||
|
|
functions.</dd>
|
||
|
|
<dt><i>i</i></dt>
|
||
|
|
<dd>Link to the desired logical bitstream. For nonseekable files, this argument is ignored. To retrieve the bitrate for the entire bitstream, this parameter should be set to -1.</dd>
|
||
|
|
</dl>
|
||
|
|
|
||
|
|
|
||
|
|
<h3>Return Values</h3>
|
||
|
|
<blockquote>
|
||
|
|
<li>OV_EINVAL indicates that an invalid argument value was submitted or that the stream represented by <tt>vf</tt> is not open.</li>
|
||
|
|
<li>OV_FALSE means the call returned a 'false' status, which in this case most likely indicates that the file is nonseekable and the upper, lower, and nominal bitrates were unset.
|
||
|
|
<li><i>n</i> indicates the bitrate for the given logical bitstream or the entire
|
||
|
|
physical bitstream. If the file is open for random (seekable) access, it will
|
||
|
|
find the *actual* average bitrate. If the file is streaming (nonseekable), it
|
||
|
|
returns the nominal bitrate (if set) or else the average of the
|
||
|
|
upper/lower bounds (if set).</li>
|
||
|
|
</blockquote>
|
||
|
|
<p>
|
||
|
|
|
||
|
|
|
||
|
|
<br><br>
|
||
|
|
<hr noshade>
|
||
|
|
<table border=0 width=100%>
|
||
|
|
<tr valign=top>
|
||
|
|
<td><p class=tiny>copyright © 2000-2010 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>Vorbisfile documentation</p></td>
|
||
|
|
<td align=right><p class=tiny>vorbisfile version 1.3.2 - 20101101</p></td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
|
||
|
|
</html>
|