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<p>Outputs the next available frame of decoded Y'CbCr data. </p>
<p>If a striped decode callback has been set with <a class="el" href="theoradec_8h.html#ac95cc9e109474b0fa4bb920ab2cfdf1e" title="Sets the striped decode callback function.">TH_DECCTL_SET_STRIPE_CB</a>, then the application does not need to call this function. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>_dec</em>&nbsp;</td><