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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.google.android.exoplayer2.source</a></div>
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<h2 title="Interface SequenceableLoader" class="title">Interface SequenceableLoader</h2>
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<dt>All Known Subinterfaces:</dt>
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<dd><code><a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source">MediaPeriod</a></code></dd>
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<dl>
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<dt>All Known Implementing Classes:</dt>
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<dd><code><a href="chunk/ChunkSampleStream.html" title="class in com.google.android.exoplayer2.source.chunk">ChunkSampleStream</a></code>, <code><a href="ClippingMediaPeriod.html" title="class in com.google.android.exoplayer2.source">ClippingMediaPeriod</a></code>, <code><a href="CompositeSequenceableLoader.html" title="class in com.google.android.exoplayer2.source">CompositeSequenceableLoader</a></code>, <code><a href="../testutil/FakeAdaptiveMediaPeriod.html" title="class in com.google.android.exoplayer2.testutil">FakeAdaptiveMediaPeriod</a></code>, <code><a href="../testutil/FakeMediaPeriod.html" title="class in com.google.android.exoplayer2.testutil">FakeMediaPeriod</a></code>, <code><a href="hls/HlsMediaPeriod.html" title="class in com.google.android.exoplayer2.source.hls">HlsMediaPeriod</a></code>, <code><a href="MaskingMediaPeriod.html" title="class in com.google.android.exoplayer2.source">MaskingMediaPeriod</a></code></dd>
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<hr>
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<pre>public interface <span class="typeNameLabel">SequenceableLoader</span></pre>
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<div class="block">A loader that can proceed in approximate synchronization with other loaders.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colSecond" scope="col">Interface</th>
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<th class="colLast" scope="col">Description</th>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static interface </code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="SequenceableLoader.Callback.html" title="interface in com.google.android.exoplayer2.source">SequenceableLoader.Callback</a><<a href="SequenceableLoader.Callback.html" title="type parameter in SequenceableLoader.Callback">T</a> extends <a href="SequenceableLoader.html" title="interface in com.google.android.exoplayer2.source">SequenceableLoader</a>></span></code></th>
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<td class="colLast">
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<div class="block">A callback to be notified of <a href="SequenceableLoader.html" title="interface in com.google.android.exoplayer2.source"><code>SequenceableLoader</code></a> events.</div>
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</td>
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</tr>
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<h3>Method Summary</h3>
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<table class="memberSummary">
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colSecond" scope="col">Method</th>
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<th class="colLast" scope="col">Description</th>
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</tr>
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<tr id="i0" class="altColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#continueLoading(long)">continueLoading</a></span>​(long positionUs)</code></th>
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<td class="colLast">
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<div class="block">Attempts to continue loading.</div>
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</td>
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</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>long</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBufferedPositionUs()">getBufferedPositionUs</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns an estimate of the position up to which data is buffered.</div>
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</td>
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</tr>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code>long</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNextLoadPositionUs()">getNextLoadPositionUs</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns the next load time, or <a href="../C.html#TIME_END_OF_SOURCE"><code>C.TIME_END_OF_SOURCE</code></a> if loading has finished.</div>
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</td>
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</tr>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isLoading()">isLoading</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns whether the loader is currently loading.</div>
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</td>
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</tr>
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<tr id="i4" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reevaluateBuffer(long)">reevaluateBuffer</a></span>​(long positionUs)</code></th>
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<td class="colLast">
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<div class="block">Re-evaluates the buffer given the playback position.</div>
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</td>
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</tr>
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</table>
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<h3>Method Detail</h3>
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<a id="getBufferedPositionUs()">
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<h4>getBufferedPositionUs</h4>
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<pre class="methodSignature">long getBufferedPositionUs()</pre>
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<div class="block">Returns an estimate of the position up to which data is buffered.</div>
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<dl>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>An estimate of the absolute position in microseconds up to which data is buffered, or
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<a href="../C.html#TIME_END_OF_SOURCE"><code>C.TIME_END_OF_SOURCE</code></a> if the data is fully buffered.</dd>
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</dl>
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</li>
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<a id="getNextLoadPositionUs()">
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<h4>getNextLoadPositionUs</h4>
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<pre class="methodSignature">long getNextLoadPositionUs()</pre>
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<div class="block">Returns the next load time, or <a href="../C.html#TIME_END_OF_SOURCE"><code>C.TIME_END_OF_SOURCE</code></a> if loading has finished.</div>
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</li>
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<a id="continueLoading(long)">
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<!-- -->
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<h4>continueLoading</h4>
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<pre class="methodSignature">boolean continueLoading​(long positionUs)</pre>
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<div class="block">Attempts to continue loading.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>positionUs</code> - The current playback position in microseconds. If playback of the period to
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which this loader belongs has not yet started, the value will be the starting position
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in the period minus the duration of any media in previous periods still to be played.</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>True if progress was made, meaning that <a href="#getNextLoadPositionUs()"><code>getNextLoadPositionUs()</code></a> will return
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a different value than prior to the call. False otherwise.</dd>
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<h4>isLoading</h4>
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<pre class="methodSignature">boolean isLoading()</pre>
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<div class="block">Returns whether the loader is currently loading.</div>
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</li>
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<a id="reevaluateBuffer(long)">
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<h4>reevaluateBuffer</h4>
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<pre class="methodSignature">void reevaluateBuffer​(long positionUs)</pre>
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<div class="block">Re-evaluates the buffer given the playback position.
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<p>Re-evaluation may discard buffered media or cancel ongoing loads so that media can be
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re-buffered in a different quality.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>positionUs</code> - The current playback position in microseconds. If playback of this period has
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not yet started, the value will be the starting position in this period minus the duration
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of any media in previous periods still to be played.</dd>
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</dl>
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