itstream, 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><tt>n</tt> total length in seconds of content if i=-1.</li>
<li><tt>n</tt> length in seconds of logical bitstream if i=0 to n.</li>
</blockquote>
<p>

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<td><p class=tiny>copyright &copy; 2000-2010 Xiph.