     <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Allocate a queue for sending data between threads.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">nb_streams</td><td>number of streams for which a distinct EOF state is maintained </td></tr>
    <tr><td class="paramname">queue_size</td><td>number of items that can be stored in the queue without blocking </td></tr>
  