 unchanged bitrate info.</li>
<li><i>n</i> indicates the actual bitrate since the last call.</li>
<li>OV_FALSE indicates that playback is not in progress, and thus there is no instantaneous bitrate information to report.</li>
<li>OV_EINVAL indicates that the stream represented by <tt>vf</tt> is not open.</li>
</blockquote>
<p>


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