m which to obtain media buffer allocations.</dd>
<dd><code>startPositionUs</code> - The expected start position, in microseconds.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A new <a href="../../source/MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a>.</dd>
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