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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">com.google.android.exoplayer2.testutil</a></div>
<h2 title="Class FakeTrackSelection" class="title">Class FakeTrackSelection</h2>
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<ul class="inheritance">
<li><a href="https://developer.android.com/reference/java/lang/Object.html" title="class or interface in java.lang" class="externalLink" target="_top">java.lang.Object</a></li>
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<li>com.google.android.exoplayer2.testutil.FakeTrackSelection</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code>, <code><a href="../trackselection/TrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">TrackSelection</a></code></dd>
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<pre>public final class <span class="typeNameLabel">FakeTrackSelection</span>
extends <a href="https://developer.android.com/reference/java/lang/Object.html" title="class or interface in java.lang" class="externalLink" target="_top">Object</a>
implements <a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></pre>
<div class="block">A fake <a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection"><code>ExoTrackSelection</code></a> that only returns 1 fixed track, and allows querying the number
of calls to its methods.</div>
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<h3>Nested classes/interfaces inherited from interface&nbsp;com.google.android.exoplayer2.trackselection.<a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></h3>
<code><a href="../trackselection/ExoTrackSelection.Definition.html" title="class in com.google.android.exoplayer2.trackselection">ExoTrackSelection.Definition</a>, <a href="../trackselection/ExoTrackSelection.Factory.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection.Factory</a></code></li>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#enableCount">enableCount</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isEnabled">isEnabled</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#releaseCount">releaseCount</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<h3>Fields inherited from interface&nbsp;com.google.android.exoplayer2.trackselection.<a href="../trackselection/TrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">TrackSelection</a></h3>
<code><a href="../trackselection/TrackSelection.html#TYPE_CUSTOM_BASE">TYPE_CUSTOM_BASE</a>, <a href="../trackselection/TrackSelection.html#TYPE_UNSET">TYPE_UNSET</a></code></li>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(com.google.android.exoplayer2.source.TrackGroup)">FakeTrackSelection</a></span>&#8203;(<a href="../source/TrackGroup.html" title="class in com.google.android.exoplayer2.source">TrackGroup</a>&nbsp;rendererTrackGroup)</code></th>
<td class="colLast">&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#blacklist(int,long)">blacklist</a></span>&#8203;(int&nbsp;index,
long&nbsp;exclusionDurationMs)</code></th>
<td class="colLast">
<div class="block">Attempts to exclude the track at the specified index in the selection, making it ineligible for
selection by calls to <a href="../trackselection/ExoTrackSelection.html#updateSelectedTrack(long,long,long,java.util.List,com.google.android.exoplayer2.source.chunk.MediaChunkIterator%5B%5D)"><code>ExoTrackSelection.updateSelectedTrack(long, long, long, List,
MediaChunkIterator[])</code></a> for the specified period of time.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#disable()">disable</a></span>()</code></th>
<td class="colLast">
<div class="block">Disables this track selection.</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="#enable()">enable</a></span>()</code></th>
<td class="colLast">
<div class="block">Enables the track selection.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#evaluateQueueSize(long,java.util.List)">evaluateQueueSize</a></span>&#8203;(long&nbsp;playbackPositionUs,
<a href="https://developer.android.com/reference/java/util/List.html" title="class or interface in java.util" class="externalLink">List</a>&lt;? extends <a href="../source/chunk/MediaChunk.html" title="class in com.google.android.exoplayer2.source.chunk" target="_top">MediaChunk</a>&gt;&nbsp;queue)</code></th>
<td class="colLast">
<div class="block">Returns the number of chunks that should be retained in the queue.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../Format.html" title="class in com.google.android.exoplayer2">Format</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFormat(int)">getFormat</a></span>&#8203;(int&nbsp;index)</code></th>
<td class="colLast">
<div class="block">Returns the format of the track at a given index in the selection.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getIndexInTrackGroup(int)">getIndexInTrackGroup</a></span>&#8203;(int&nbsp;index)</code></th>
<td class="colLast">
<div class="block">Returns the index in the track group of the track at a given index in the selection.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../Format.html" title="class in com.google.android.exoplayer2">Format</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSelectedFormat()">getSelectedFormat</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the <a href="../Format.html" title="class in com.google.android.exoplayer2"><code>Format</code></a> of the individual selected track.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSelectedIndex()">getSelectedIndex</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the index of the selected track.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSelectedIndexInTrackGroup()">getSelectedIndexInTrackGroup</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the index in the track group of the individual selected track.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="https://developer.android.com/reference/java/lang/Object.html" title="class or interface in java.lang" class="externalLink" target="_top">Object</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSelectionData()">getSelectionData</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns optional data associated with the current track selection.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSelectionReason()">getSelectionReason</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the reason for the current track selection.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../source/TrackGroup.html" title="class in com.google.android.exoplayer2.source">TrackGroup</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTrackGroup()">getTrackGroup</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the <a href="../source/TrackGroup.html" title="class in com.google.android.exoplayer2.source"><code>TrackGroup</code></a> to which the selected tracks belong.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getType()">getType</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns an integer specifying the type of the selection, or <a href="../trackselection/TrackSelection.html#TYPE_UNSET"><code>TrackSelection.TYPE_UNSET</code></a> if not
specified.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#indexOf(int)">indexOf</a></span>&#8203;(int&nbsp;indexInTrackGroup)</code></th>
<td class="colLast">
<div class="block">Returns the index in the selection of the track with the specified index in the track group.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#indexOf(com.google.android.exoplayer2.Format)">indexOf</a></span>&#8203;(<a href="../Format.html" title="class in com.google.android.exoplayer2">Format</a>&nbsp;format)</code></th>
<td class="colLast">
<div class="block">Returns the index in the selection of the track with the specified format.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isBlacklisted(int,long)">isBlacklisted</a></span>&#8203;(int&nbsp;index,
long&nbsp;nowMs)</code></th>
<td class="colLast">
<div class="block">Returns whether the track at the specified index in the selection is excluded.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#length()">length</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the number of tracks in the selection.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onPlaybackSpeed(float)">onPlaybackSpeed</a></span>&#8203;(float&nbsp;playbackSpeed)</code></th>
<td class="colLast">
<div class="block">Called to notify the selection of the current playback speed.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#updateSelectedTrack(long,long,long,java.util.List,com.google.android.exoplayer2.source.chunk.MediaChunkIterator%5B%5D)">updateSelectedTrack</a></span>&#8203;(long&nbsp;playbackPositionUs,
long&nbsp;bufferedDurationUs,
long&nbsp;availableDurationUs,
<a href="https://developer.android.com/reference/java/util/List.html" title="class or interface in java.util" class="externalLink">List</a>&lt;? extends <a href="../source/chunk/MediaChunk.html" title="class in com.google.android.exoplayer2.source.chunk" target="_top">MediaChunk</a>&gt;&nbsp;queue,
<a href="../source/chunk/MediaChunkIterator.html" title="interface in com.google.android.exoplayer2.source.chunk">MediaChunkIterator</a>[]&nbsp;mediaChunkIterators)</code></th>
<td class="colLast">
<div class="block">Updates the selected track for sources that load media in discrete <a href="../source/chunk/MediaChunk.html" title="class in com.google.android.exoplayer2.source.chunk"><code>MediaChunk</code></a>s.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://developer.android.com/reference/java/lang/Object.html" title="class or interface in java.lang" class="externalLink" target="_top">Object</a></h3>
<code><a href="https://developer.android.com/reference/java/lang/Object.html#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://developer.android.com/reference/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://developer.android.com/reference/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://developer.android.com/reference/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://developer.android.com/reference/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://developer.android.com/reference/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://developer.android.com/reference/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://developer.android.com/reference/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a>, <a href="https://developer.android.com/reference/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://developer.android.com/reference/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://developer.android.com/reference/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink" target="_top">wait</a></code></li>
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<h3>Methods inherited from interface&nbsp;com.google.android.exoplayer2.trackselection.<a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></h3>
<code><a href="../trackselection/ExoTrackSelection.html#onDiscontinuity()">onDiscontinuity</a>, <a href="../trackselection/ExoTrackSelection.html#onPlayWhenReadyChanged(boolean)">onPlayWhenReadyChanged</a>, <a href="../trackselection/ExoTrackSelection.html#onRebuffer()">onRebuffer</a>, <a href="../trackselection/ExoTrackSelection.html#shouldCancelChunkLoad(long,com.google.android.exoplayer2.source.chunk.Chunk,java.util.List)">shouldCancelChunkLoad</a></code></li>
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<h4>enableCount</h4>
<pre>public&nbsp;int enableCount</pre>
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<h4>releaseCount</h4>
<pre>public&nbsp;int releaseCount</pre>
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<pre>public&nbsp;boolean isEnabled</pre>
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<h4>FakeTrackSelection</h4>
<pre>public&nbsp;FakeTrackSelection&#8203;(<a href="../source/TrackGroup.html" title="class in com.google.android.exoplayer2.source">TrackGroup</a>&nbsp;rendererTrackGroup)</pre>
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<pre class="methodSignature">public&nbsp;int&nbsp;getType()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/TrackSelection.html#getType()">TrackSelection</a></code></span></div>
<div class="block">Returns an integer specifying the type of the selection, or <a href="../trackselection/TrackSelection.html#TYPE_UNSET"><code>TrackSelection.TYPE_UNSET</code></a> if not
specified.
<p>Track selection types are specific to individual applications, but should be defined
starting from <a href="../trackselection/TrackSelection.html#TYPE_CUSTOM_BASE"><code>TrackSelection.TYPE_CUSTOM_BASE</code></a> to ensure they don't conflict with any types that may
be added to the library in the future.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/TrackSelection.html#getType()">getType</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/TrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">TrackSelection</a></code></dd>
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<pre class="methodSignature">public&nbsp;<a href="../source/TrackGroup.html" title="class in com.google.android.exoplayer2.source">TrackGroup</a>&nbsp;getTrackGroup()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/TrackSelection.html#getTrackGroup()">TrackSelection</a></code></span></div>
<div class="block">Returns the <a href="../source/TrackGroup.html" title="class in com.google.android.exoplayer2.source"><code>TrackGroup</code></a> to which the selected tracks belong.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/TrackSelection.html#getTrackGroup()">getTrackGroup</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/TrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">TrackSelection</a></code></dd>
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<pre class="methodSignature">public&nbsp;int&nbsp;length()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/TrackSelection.html#length()">TrackSelection</a></code></span></div>
<div class="block">Returns the number of tracks in the selection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/TrackSelection.html#length()">length</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/TrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">TrackSelection</a></code></dd>
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<pre class="methodSignature">public&nbsp;<a href="../Format.html" title="class in com.google.android.exoplayer2">Format</a>&nbsp;getFormat&#8203;(int&nbsp;index)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/TrackSelection.html#getFormat(int)">TrackSelection</a></code></span></div>
<div class="block">Returns the format of the track at a given index in the selection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/TrackSelection.html#getFormat(int)">getFormat</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/TrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">TrackSelection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - The index in the selection.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The format of the selected track.</dd>
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<pre class="methodSignature">public&nbsp;int&nbsp;getIndexInTrackGroup&#8203;(int&nbsp;index)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/TrackSelection.html#getIndexInTrackGroup(int)">TrackSelection</a></code></span></div>
<div class="block">Returns the index in the track group of the track at a given index in the selection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/TrackSelection.html#getIndexInTrackGroup(int)">getIndexInTrackGroup</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/TrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">TrackSelection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - The index in the selection.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The index of the selected track.</dd>
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<pre class="methodSignature">public&nbsp;int&nbsp;indexOf&#8203;(<a href="../Format.html" title="class in com.google.android.exoplayer2">Format</a>&nbsp;format)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/TrackSelection.html#indexOf(com.google.android.exoplayer2.Format)">TrackSelection</a></code></span></div>
<div class="block">Returns the index in the selection of the track with the specified format. The format is
located by identity so, for example, <code>selection.indexOf(selection.getFormat(index)) ==
index</code> even if multiple selected tracks have formats that contain the same values.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/TrackSelection.html#indexOf(com.google.android.exoplayer2.Format)">indexOf</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/TrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">TrackSelection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>format</code> - The format.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The index in the selection, or <a href="../C.html#INDEX_UNSET"><code>C.INDEX_UNSET</code></a> if the track with the specified
format is not part of the selection.</dd>
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<pre class="methodSignature">public&nbsp;int&nbsp;indexOf&#8203;(int&nbsp;indexInTrackGroup)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/TrackSelection.html#indexOf(int)">TrackSelection</a></code></span></div>
<div class="block">Returns the index in the selection of the track with the specified index in the track group.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/TrackSelection.html#indexOf(int)">indexOf</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/TrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">TrackSelection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>indexInTrackGroup</code> - The index in the track group.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The index in the selection, or <a href="../C.html#INDEX_UNSET"><code>C.INDEX_UNSET</code></a> if the track with the specified
index is not part of the selection.</dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;enable()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/ExoTrackSelection.html#enable()">ExoTrackSelection</a></code></span></div>
<div class="block">Enables the track selection. Dynamic changes via <a href="../trackselection/ExoTrackSelection.html#updateSelectedTrack(long,long,long,java.util.List,com.google.android.exoplayer2.source.chunk.MediaChunkIterator%5B%5D)"><code>ExoTrackSelection.updateSelectedTrack(long, long, long,
List, MediaChunkIterator[])</code></a>, <a href="../trackselection/ExoTrackSelection.html#evaluateQueueSize(long,java.util.List)"><code>ExoTrackSelection.evaluateQueueSize(long, List)</code></a> or <a href="../trackselection/ExoTrackSelection.html#shouldCancelChunkLoad(long,com.google.android.exoplayer2.source.chunk.Chunk,java.util.List)"><code>ExoTrackSelection.shouldCancelChunkLoad(long, Chunk, List)</code></a> will only happen after this call.
<p>This method may not be called when the track selection is already enabled.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html#enable()">enable</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code></dd>
</dl>
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<pre class="methodSignature">public&nbsp;void&nbsp;disable()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/ExoTrackSelection.html#disable()">ExoTrackSelection</a></code></span></div>
<div class="block">Disables this track selection. No further dynamic changes via <a href="../trackselection/ExoTrackSelection.html#updateSelectedTrack(long,long,long,java.util.List,com.google.android.exoplayer2.source.chunk.MediaChunkIterator%5B%5D)"><code>ExoTrackSelection.updateSelectedTrack(long,
long, long, List, MediaChunkIterator[])</code></a>, <a href="../trackselection/ExoTrackSelection.html#evaluateQueueSize(long,java.util.List)"><code>ExoTrackSelection.evaluateQueueSize(long, List)</code></a> or <a href="../trackselection/ExoTrackSelection.html#shouldCancelChunkLoad(long,com.google.android.exoplayer2.source.chunk.Chunk,java.util.List)"><code>ExoTrackSelection.shouldCancelChunkLoad(long, Chunk, List)</code></a> will happen after this call.
<p>This method may only be called when the track selection is already enabled.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html#disable()">disable</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code></dd>
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<pre class="methodSignature">public&nbsp;<a href="../Format.html" title="class in com.google.android.exoplayer2">Format</a>&nbsp;getSelectedFormat()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/ExoTrackSelection.html#getSelectedFormat()">ExoTrackSelection</a></code></span></div>
<div class="block">Returns the <a href="../Format.html" title="class in com.google.android.exoplayer2"><code>Format</code></a> of the individual selected track.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html#getSelectedFormat()">getSelectedFormat</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code></dd>
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<pre class="methodSignature">public&nbsp;int&nbsp;getSelectedIndexInTrackGroup()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/ExoTrackSelection.html#getSelectedIndexInTrackGroup()">ExoTrackSelection</a></code></span></div>
<div class="block">Returns the index in the track group of the individual selected track.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html#getSelectedIndexInTrackGroup()">getSelectedIndexInTrackGroup</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code></dd>
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<pre class="methodSignature">public&nbsp;int&nbsp;getSelectedIndex()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/ExoTrackSelection.html#getSelectedIndex()">ExoTrackSelection</a></code></span></div>
<div class="block">Returns the index of the selected track.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html#getSelectedIndex()">getSelectedIndex</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code></dd>
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<pre class="methodSignature">public&nbsp;int&nbsp;getSelectionReason()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/ExoTrackSelection.html#getSelectionReason()">ExoTrackSelection</a></code></span></div>
<div class="block">Returns the reason for the current track selection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html#getSelectionReason()">getSelectionReason</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code></dd>
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<pre class="methodSignature">@Nullable
public&nbsp;<a href="https://developer.android.com/reference/java/lang/Object.html" title="class or interface in java.lang" class="externalLink" target="_top">Object</a>&nbsp;getSelectionData()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/ExoTrackSelection.html#getSelectionData()">ExoTrackSelection</a></code></span></div>
<div class="block">Returns optional data associated with the current track selection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html#getSelectionData()">getSelectionData</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code></dd>
</dl>
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<pre class="methodSignature">public&nbsp;void&nbsp;onPlaybackSpeed&#8203;(float&nbsp;playbackSpeed)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/ExoTrackSelection.html#onPlaybackSpeed(float)">ExoTrackSelection</a></code></span></div>
<div class="block">Called to notify the selection of the current playback speed. The playback speed may affect
adaptive track selection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html#onPlaybackSpeed(float)">onPlaybackSpeed</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>playbackSpeed</code> - The factor by which playback is sped up.</dd>
</dl>
</li>
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<pre class="methodSignature">public&nbsp;void&nbsp;updateSelectedTrack&#8203;(long&nbsp;playbackPositionUs,
long&nbsp;bufferedDurationUs,
long&nbsp;availableDurationUs,
<a href="https://developer.android.com/reference/java/util/List.html" title="class or interface in java.util" class="externalLink">List</a>&lt;? extends <a href="../source/chunk/MediaChunk.html" title="class in com.google.android.exoplayer2.source.chunk" target="_top">MediaChunk</a>&gt;&nbsp;queue,
<a href="../source/chunk/MediaChunkIterator.html" title="interface in com.google.android.exoplayer2.source.chunk">MediaChunkIterator</a>[]&nbsp;mediaChunkIterators)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/ExoTrackSelection.html#updateSelectedTrack(long,long,long,java.util.List,com.google.android.exoplayer2.source.chunk.MediaChunkIterator%5B%5D)">ExoTrackSelection</a></code></span></div>
<div class="block">Updates the selected track for sources that load media in discrete <a href="../source/chunk/MediaChunk.html" title="class in com.google.android.exoplayer2.source.chunk"><code>MediaChunk</code></a>s.
<p>This method will only be called when the selection is enabled.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html#updateSelectedTrack(long,long,long,java.util.List,com.google.android.exoplayer2.source.chunk.MediaChunkIterator%5B%5D)">updateSelectedTrack</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>playbackPositionUs</code> - The current playback position in microseconds. If playback of the
period to which this track selection belongs has not yet started, the value will be the
starting position in the period minus the duration of any media in previous periods still
to be played.</dd>
<dd><code>bufferedDurationUs</code> - The duration of media currently buffered from the current playback
position, in microseconds. Note that the next load position can be calculated as <code>
(playbackPositionUs + bufferedDurationUs)</code>.</dd>
<dd><code>availableDurationUs</code> - The duration of media available for buffering from the current
playback position, in microseconds, or <a href="../C.html#TIME_UNSET"><code>C.TIME_UNSET</code></a> if media can be buffered to the
end of the current period. Note that if not set to <a href="../C.html#TIME_UNSET"><code>C.TIME_UNSET</code></a>, the position up to
which media is available for buffering can be calculated as <code>(playbackPositionUs +
availableDurationUs)</code>.</dd>
<dd><code>queue</code> - The queue of already buffered <a href="../source/chunk/MediaChunk.html" title="class in com.google.android.exoplayer2.source.chunk"><code>MediaChunk</code></a>s. Must not be modified.</dd>
<dd><code>mediaChunkIterators</code> - An array of <a href="../source/chunk/MediaChunkIterator.html" title="interface in com.google.android.exoplayer2.source.chunk"><code>MediaChunkIterator</code></a>s providing information about
the sequence of upcoming media chunks for each track in the selection. All iterators start
from the media chunk which will be loaded next if the respective track is selected. Note
that this information may not be available for all tracks, and so some iterators may be
empty.</dd>
</dl>
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</ul>
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<h4>evaluateQueueSize</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;evaluateQueueSize&#8203;(long&nbsp;playbackPositionUs,
<a href="https://developer.android.com/reference/java/util/List.html" title="class or interface in java.util" class="externalLink">List</a>&lt;? extends <a href="../source/chunk/MediaChunk.html" title="class in com.google.android.exoplayer2.source.chunk" target="_top">MediaChunk</a>&gt;&nbsp;queue)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/ExoTrackSelection.html#evaluateQueueSize(long,java.util.List)">ExoTrackSelection</a></code></span></div>
<div class="block">Returns the number of chunks that should be retained in the queue.
<p>May be called by sources that load media in discrete <a href="../source/chunk/MediaChunk.html" title="class in com.google.android.exoplayer2.source.chunk"><code>MediaChunks</code></a> and
support discarding of buffered chunks.
<p>To avoid excessive re-buffering, implementations should normally return the size of the
queue. An example of a case where a smaller value may be returned is if network conditions have
improved dramatically, allowing chunks to be discarded and re-buffered in a track of
significantly higher quality. Discarding chunks may allow faster switching to a higher quality
track in this case.
<p>Note that even if the source supports discarding of buffered chunks, the actual number of
discarded chunks is not guaranteed. The source will call <a href="../trackselection/ExoTrackSelection.html#updateSelectedTrack(long,long,long,java.util.List,com.google.android.exoplayer2.source.chunk.MediaChunkIterator%5B%5D)"><code>ExoTrackSelection.updateSelectedTrack(long,
long, long, List, MediaChunkIterator[])</code></a> with the updated queue of chunks before loading a new
chunk to allow switching to another quality.
<p>This method will only be called when the selection is enabled and none of the <a href="../source/chunk/MediaChunk.html" title="class in com.google.android.exoplayer2.source.chunk"><code>MediaChunks</code></a> in the queue are currently loading.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html#evaluateQueueSize(long,java.util.List)">evaluateQueueSize</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>playbackPositionUs</code> - The current playback position in microseconds. If playback of the
period to which this track selection belongs has not yet started, the value will be the
starting position in the period minus the duration of any media in previous periods still
to be played.</dd>
<dd><code>queue</code> - The queue of buffered <a href="../source/chunk/MediaChunk.html" title="class in com.google.android.exoplayer2.source.chunk"><code>MediaChunks</code></a>. Must not be modified.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The number of chunks to retain in the queue.</dd>
</dl>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;blacklist&#8203;(int&nbsp;index,
long&nbsp;exclusionDurationMs)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/ExoTrackSelection.html#blacklist(int,long)">ExoTrackSelection</a></code></span></div>
<div class="block">Attempts to exclude the track at the specified index in the selection, making it ineligible for
selection by calls to <a href="../trackselection/ExoTrackSelection.html#updateSelectedTrack(long,long,long,java.util.List,com.google.android.exoplayer2.source.chunk.MediaChunkIterator%5B%5D)"><code>ExoTrackSelection.updateSelectedTrack(long, long, long, List,
MediaChunkIterator[])</code></a> for the specified period of time.
<p>Exclusion will fail if all other tracks are currently excluded. If excluding the currently
selected track, note that it will remain selected until the next call to <a href="../trackselection/ExoTrackSelection.html#updateSelectedTrack(long,long,long,java.util.List,com.google.android.exoplayer2.source.chunk.MediaChunkIterator%5B%5D)"><code>ExoTrackSelection.updateSelectedTrack(long, long, long, List, MediaChunkIterator[])</code></a>.
<p>This method will only be called when the selection is enabled.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html#blacklist(int,long)">blacklist</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - The index of the track in the selection.</dd>
<dd><code>exclusionDurationMs</code> - The duration of time for which the track should be excluded, in
milliseconds.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Whether exclusion was successful.</dd>
</dl>
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<a id="isBlacklisted(int,long)">
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<h4>isBlacklisted</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;isBlacklisted&#8203;(int&nbsp;index,
long&nbsp;nowMs)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../trackselection/ExoTrackSelection.html#isBlacklisted(int,long)">ExoTrackSelection</a></code></span></div>
<div class="block">Returns whether the track at the specified index in the selection is excluded.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../trackselection/ExoTrackSelection.html#isBlacklisted(int,long)">isBlacklisted</a></code>&nbsp;in interface&nbsp;<code><a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - The index of the track in the selection.</dd>
<dd><code>nowMs</code> - The current time in the timebase of <a href="https://developer.android.com/reference/android/os/SystemClock.html#elapsedRealtime()" title="class or interface in android.os" class="externalLink" target="_top"><code>SystemClock.elapsedRealtime()</code></a>.</dd>
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