td><td>Pointer to the playback object. </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">error</td><td>Pointer to log error messages. </td></tr>
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  </dd>
</dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a30e23b32950de33d7ae2333abbeb3126">&#9670;&#160;</a></span>ob_set_playback_state_callback()</h2>

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