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media3/docs/doc/reference/com/google/android/exoplayer2/TracksInfo.TrackGroupInfo.html
ibaker a5571010d0 Update javadoc for 2.17.0 
#minor-release

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<title>TracksInfo.TrackGroupInfo (ExoPlayer library)</title>
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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">com.google.android.exoplayer2</a></div>
<h2 title="Class TracksInfo.TrackGroupInfo" class="title">Class TracksInfo.TrackGroupInfo</h2>
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<li>com.google.android.exoplayer2.TracksInfo.TrackGroupInfo</li>
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<dt>Enclosing class:</dt>
<dd><a href="TracksInfo.html" title="class in com.google.android.exoplayer2">TracksInfo</a></dd>
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<pre>public static final class <span class="typeNameLabel">TracksInfo.TrackGroupInfo</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="Bundleable.html" title="interface in com.google.android.exoplayer2">Bundleable</a></pre>
<div class="block">Information about a single group of tracks, including the underlying <a href="source/TrackGroup.html" title="class in com.google.android.exoplayer2.source"><code>TrackGroup</code></a>, the
<a href="C.TrackType.html" title="annotation in com.google.android.exoplayer2"><code>type</code></a> of tracks it contains, and the level to which each track is supported
by the player.</div>
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<h3>Nested classes/interfaces inherited from interface&nbsp;com.google.android.exoplayer2.<a href="Bundleable.html" title="interface in com.google.android.exoplayer2">Bundleable</a></h3>
<code><a href="Bundleable.Creator.html" title="interface in com.google.android.exoplayer2">Bundleable.Creator</a>&lt;<a href="Bundleable.Creator.html" title="type parameter in Bundleable.Creator">T</a> extends <a href="Bundleable.html" title="interface in com.google.android.exoplayer2">Bundleable</a>&gt;</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>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="Bundleable.Creator.html" title="interface in com.google.android.exoplayer2">Bundleable.Creator</a>&lt;<a href="TracksInfo.TrackGroupInfo.html" title="class in com.google.android.exoplayer2">TracksInfo.TrackGroupInfo</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#CREATOR">CREATOR</a></span></code></th>
<td class="colLast">
<div class="block">Object that can restores a <code>TracksInfo</code> from a <a href="https://developer.android.com/reference/android/os/Bundle.html" title="class or interface in android.os" class="externalLink" target="_top"><code>Bundle</code></a>.</div>
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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,@com.google.android.exoplayer2.C.FormatSupportint%5B%5D,@com.google.android.exoplayer2.C.TrackTypeint,boolean%5B%5D)">TrackGroupInfo</a></span>&#8203;(<a href="source/TrackGroup.html" title="class in com.google.android.exoplayer2.source">TrackGroup</a>&nbsp;trackGroup,
@com.google.android.exoplayer2.C.FormatSupport int[]&nbsp;trackSupport,
@com.google.android.exoplayer2.C.TrackType int&nbsp;trackType,
boolean[]&nbsp;tracksSelected)</code></th>
<td class="colLast">
<div class="block">Constructs a TrackGroupInfo.</div>
</td>
</tr>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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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="#equals(java.lang.Object)">equals</a></span>&#8203;(<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;other)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" 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> described by this <code>TrackGroupInfo</code>.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>@com.google.android.exoplayer2.C.FormatSupport int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTrackSupport(int)">getTrackSupport</a></span>&#8203;(int&nbsp;trackIndex)</code></th>
<td class="colLast">
<div class="block">Returns the level of support for a specified track.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>@com.google.android.exoplayer2.C.TrackType int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTrackType()">getTrackType</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the <a href="C.TrackType.html" title="annotation in com.google.android.exoplayer2"><code>C.TrackType</code></a> of the group.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hashCode()">hashCode</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isSelected()">isSelected</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns whether at least one track in the group is selected for playback.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isSupported()">isSupported</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns whether at least one track in the group is supported for playback, without exceeding
the advertised capabilities of the device.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isSupported(boolean)">isSupported</a></span>&#8203;(boolean&nbsp;allowExceedsCapabilities)</code></th>
<td class="colLast">
<div class="block">Returns whether at least one track in the group is supported for playback.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isTrackSelected(int)">isTrackSelected</a></span>&#8203;(int&nbsp;trackIndex)</code></th>
<td class="colLast">
<div class="block">Returns whether a specified track is selected for playback.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isTrackSupported(int)">isTrackSupported</a></span>&#8203;(int&nbsp;trackIndex)</code></th>
<td class="colLast">
<div class="block">Returns whether a specified track is supported for playback, without exceeding the advertised
capabilities of the device.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isTrackSupported(int,boolean)">isTrackSupported</a></span>&#8203;(int&nbsp;trackIndex,
boolean&nbsp;allowExceedsCapabilities)</code></th>
<td class="colLast">
<div class="block">Returns whether a specified track is supported for playback.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="https://developer.android.com/reference/android/os/Bundle.html" title="class or interface in android.os" class="externalLink" target="_top">Bundle</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toBundle()">toBundle</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns a <a href="https://developer.android.com/reference/android/os/Bundle.html" title="class or interface in android.os" class="externalLink" target="_top"><code>Bundle</code></a> representing the information stored in this object.</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#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#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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<a id="CREATOR">
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<h4>CREATOR</h4>
<pre>public static final&nbsp;<a href="Bundleable.Creator.html" title="interface in com.google.android.exoplayer2">Bundleable.Creator</a>&lt;<a href="TracksInfo.TrackGroupInfo.html" title="class in com.google.android.exoplayer2">TracksInfo.TrackGroupInfo</a>&gt; CREATOR</pre>
<div class="block">Object that can restores a <code>TracksInfo</code> from a <a href="https://developer.android.com/reference/android/os/Bundle.html" title="class or interface in android.os" class="externalLink" target="_top"><code>Bundle</code></a>.</div>
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<h3>Constructor Detail</h3>
<a id="&lt;init&gt;(com.google.android.exoplayer2.source.TrackGroup,@com.google.android.exoplayer2.C.FormatSupportint[],@com.google.android.exoplayer2.C.TrackTypeint,boolean[])">
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<h4>TrackGroupInfo</h4>
<pre>public&nbsp;TrackGroupInfo&#8203;(<a href="source/TrackGroup.html" title="class in com.google.android.exoplayer2.source">TrackGroup</a>&nbsp;trackGroup,
<a href="C.FormatSupport.html" title="annotation in com.google.android.exoplayer2">@FormatSupport</a>
@com.google.android.exoplayer2.C.FormatSupport int[]&nbsp;trackSupport,
@com.google.android.exoplayer2.C.TrackType int&nbsp;trackType,
boolean[]&nbsp;tracksSelected)</pre>
<div class="block">Constructs a TrackGroupInfo.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>trackGroup</code> - The <a href="source/TrackGroup.html" title="class in com.google.android.exoplayer2.source"><code>TrackGroup</code></a> described.</dd>
<dd><code>trackSupport</code> - The <a href="C.FormatSupport.html" title="annotation in com.google.android.exoplayer2"><code>C.FormatSupport</code></a> of each track in the <code>trackGroup</code>.</dd>
<dd><code>trackType</code> - The <a href="C.TrackType.html" title="annotation in com.google.android.exoplayer2"><code>C.TrackType</code></a> of the tracks in the <code>trackGroup</code>.</dd>
<dd><code>tracksSelected</code> - Whether a track is selected for each track in <code>trackGroup</code>.</dd>
</dl>
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<a id="getTrackGroup()">
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<h4>getTrackGroup</h4>
<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">Returns the <a href="source/TrackGroup.html" title="class in com.google.android.exoplayer2.source"><code>TrackGroup</code></a> described by this <code>TrackGroupInfo</code>.</div>
</li>
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<a id="getTrackSupport(int)">
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<h4>getTrackSupport</h4>
<pre class="methodSignature"><a href="C.FormatSupport.html" title="annotation in com.google.android.exoplayer2">@FormatSupport</a>
public&nbsp;@com.google.android.exoplayer2.C.FormatSupport int&nbsp;getTrackSupport&#8203;(int&nbsp;trackIndex)</pre>
<div class="block">Returns the level of support for a specified track.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>trackIndex</code> - The index of the track in the <a href="source/TrackGroup.html" title="class in com.google.android.exoplayer2.source"><code>TrackGroup</code></a>.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The <a href="C.FormatSupport.html" title="annotation in com.google.android.exoplayer2"><code>C.FormatSupport</code></a> of the track.</dd>
</dl>
</li>
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<a id="isTrackSupported(int)">
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<h4>isTrackSupported</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;isTrackSupported&#8203;(int&nbsp;trackIndex)</pre>
<div class="block">Returns whether a specified track is supported for playback, without exceeding the advertised
capabilities of the device. Equivalent to <code>isTrackSupported(trackIndex, false)</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>trackIndex</code> - The index of the track in the <a href="source/TrackGroup.html" title="class in com.google.android.exoplayer2.source"><code>TrackGroup</code></a>.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the track's format can be played, false otherwise.</dd>
</dl>
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<h4>isTrackSupported</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;isTrackSupported&#8203;(int&nbsp;trackIndex,
boolean&nbsp;allowExceedsCapabilities)</pre>
<div class="block">Returns whether a specified track is supported for playback.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>trackIndex</code> - The index of the track in the <a href="source/TrackGroup.html" title="class in com.google.android.exoplayer2.source"><code>TrackGroup</code></a>.</dd>
<dd><code>allowExceedsCapabilities</code> - Whether to consider the track as supported if it has a
supported <a href="Format.html#sampleMimeType"><code>MIME type</code></a>, but otherwise exceeds the advertised
capabilities of the device. For example, a video track for which there's a corresponding
decoder whose maximum advertised resolution is exceeded by the resolution of the track.
Such tracks may be playable in some cases.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the track's format can be played, false otherwise.</dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;isSelected()</pre>
<div class="block">Returns whether at least one track in the group is selected for playback.</div>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;isSupported()</pre>
<div class="block">Returns whether at least one track in the group is supported for playback, without exceeding
the advertised capabilities of the device. Equivalent to <code>isSupported(false)</code>.</div>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;isSupported&#8203;(boolean&nbsp;allowExceedsCapabilities)</pre>
<div class="block">Returns whether at least one track in the group is supported for playback.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>allowExceedsCapabilities</code> - Whether to consider a track as supported if it has a
supported <a href="Format.html#sampleMimeType"><code>MIME type</code></a>, but otherwise exceeds the advertised
capabilities of the device. For example, a video track for which there's a corresponding
decoder whose maximum advertised resolution is exceeded by the resolution of the track.
Such tracks may be playable in some cases.</dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;isTrackSelected&#8203;(int&nbsp;trackIndex)</pre>
<div class="block">Returns whether a specified track is selected for playback.
<p>Note that multiple tracks in the group may be selected. This is common in adaptive
streaming, where tracks of different qualities are selected and the player switches between
them during playback (e.g., based on the available network bandwidth).
<p>This class doesn't provide a way to determine which of the selected tracks is currently
playing, however some player implementations have ways of getting such information. For
example, ExoPlayer provides this information via <code>ExoTrackSelection.getSelectedFormat</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>trackIndex</code> - The index of the track in the <a href="source/TrackGroup.html" title="class in com.google.android.exoplayer2.source"><code>TrackGroup</code></a>.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the track is selected, false otherwise.</dd>
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<pre class="methodSignature">public&nbsp;@com.google.android.exoplayer2.C.TrackType int&nbsp;getTrackType()</pre>
<div class="block">Returns the <a href="C.TrackType.html" title="annotation in com.google.android.exoplayer2"><code>C.TrackType</code></a> of the group.</div>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;equals&#8203;(@Nullable
<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;other)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="https://developer.android.com/reference/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a></code>&nbsp;in class&nbsp;<code><a href="https://developer.android.com/reference/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_top">Object</a></code></dd>
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<pre class="methodSignature">public&nbsp;int&nbsp;hashCode()</pre>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="https://developer.android.com/reference/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a></code>&nbsp;in class&nbsp;<code><a href="https://developer.android.com/reference/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_top">Object</a></code></dd>
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<pre class="methodSignature">public&nbsp;<a href="https://developer.android.com/reference/android/os/Bundle.html" title="class or interface in android.os" class="externalLink" target="_top">Bundle</a>&nbsp;toBundle()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="Bundleable.html#toBundle()">Bundleable</a></code></span></div>
<div class="block">Returns a <a href="https://developer.android.com/reference/android/os/Bundle.html" title="class or interface in android.os" class="externalLink" target="_top"><code>Bundle</code></a> representing the information stored in this object.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Bundleable.html#toBundle()">toBundle</a></code>&nbsp;in interface&nbsp;<code><a href="Bundleable.html" title="interface in com.google.android.exoplayer2">Bundleable</a></code></dd>
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