e.createPeriod(MediaPeriodId, Allocator, long)</code></a> on the wrapped source
 then prepares it if <a href="#prepare(com.google.android.exoplayer2.source.MediaPeriod.Callback,long)"><code>prepare(Callback, long)</code></a> has been called.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#discardBuffer(long,boolean)">discardBuffer</a></span>&#8203;(long&nbsp;positionUs,
             boo