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<title>vorbisfile - function - ov_time_total</title>
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<td><p class=tiny>vorbisfile documentation</p></td>
<td align=right><p class=tiny>vorbisfile version 1.25 - 20000615</p></td>
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<h1>ov_time_total</h1>

<p><i>declared in "vorbis/vorbisfile.h";</i></p>


<p>Returns the total time in seconds of the physical bitstream or a specified logical bitstream.


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<pre><b>
double ov_time_total(OggVorbis_File *vf,int i);
</b></pre>
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<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 vorbisfile
functions. Once this has been called, the same <tt>OggVorbis_File</tt>
struct should be passed to all the vorbisfile functions.</dd>
<dt><i>i</i></dt>
<dd><b>Link to the desired logical bitstream.  To retrieve the <a href="vorbis_info.html">vorbis_info</a> struct for the current bitstream, this parameter should be set to -1.</b></dd>
</dl>


<h3>Return Values</h3>
<blockquote>
<li>OV_EINVAL means that the argument was invalid.  In this case, the requested bitstream did not exist or the bitstream is nonseekable.</li>
<li>
total length in seconds of content if i=-1.</li>
<li>length in seconds of logical bitstream if i=1 to n.</li>
</blockquote>
<p>
<h3>Notes</h3>
<p><b>Typical usage:</b> <tt>bytes_read = ov_read(&amp;vf, buffer, 4096,0,2,1,&amp;current_section)</tt>
<br>This reads up to 4096 bytes into a buffer, with signed 16-bit little-endian
samples.
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<td><p class=tiny>copyright &copy; 2000 vorbis team</p></td>
<td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/index.html">Ogg Vorbis</a><br><a href="mailto:team@vorbis.org">team@vorbis.org</a></p></td>
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<td><p class=tiny>vorbisfile documentation</p></td>
<td align=right><p class=tiny>vorbisfile version 1.25 - 20000615</p></td>
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