oplayer2.source.MediaSource,com.google.android.exoplayer2.Timeline)"><code>MediaSource.MediaSourceCaller.onSourceInfoRefreshed(MediaSource, Timeline)</code></a> will be
 called before <code>callback.onPrepared</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="MediaPeriod.html#prepare(com.google.android.exoplayer2.source.MediaPeriod.Callback,long)">prepare</a></code>&nbsp;in interface&nbsp;<code><a href="MediaPeriod.html" title="interface in com.google.and