cket</code> structure which contains one of the initial packets of an Ogg logical stream. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A positive value indicates that a Theora header was successfully processed. </dd></dl>
<dl><dt><b>Return values:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>0</em>&nbsp;</td><td>The first video data packet was encountered after all required header packets were parse