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media/docs/doc/reference/com/google/android/exoplayer2/source/WrappingMediaSource.html
michaelkatz 6f1cf6dab4 Update JavaDoc for exoplayer:2.18.2 
#minor-release

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<title>WrappingMediaSource (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.source</a></div>
<h2 title="Class WrappingMediaSource" class="title">Class WrappingMediaSource</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>
<li>
<ul class="inheritance">
<li><a href="BaseMediaSource.html" title="class in com.google.android.exoplayer2.source">com.google.android.exoplayer2.source.BaseMediaSource</a></li>
<li>
<ul class="inheritance">
<li><a href="CompositeMediaSource.html" title="class in com.google.android.exoplayer2.source">com.google.android.exoplayer2.source.CompositeMediaSource</a>&lt;<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&gt;</li>
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<li>com.google.android.exoplayer2.source.WrappingMediaSource</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code><a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source">MediaSource</a></code></dd>
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><code><a href="ClippingMediaSource.html" title="class in com.google.android.exoplayer2.source">ClippingMediaSource</a></code>, <code><a href="LoopingMediaSource.html" title="class in com.google.android.exoplayer2.source">LoopingMediaSource</a></code>, <code><a href="MaskingMediaSource.html" title="class in com.google.android.exoplayer2.source">MaskingMediaSource</a></code></dd>
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<pre>public abstract class <span class="typeNameLabel">WrappingMediaSource</span>
extends <a href="CompositeMediaSource.html" title="class in com.google.android.exoplayer2.source">CompositeMediaSource</a>&lt;<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&gt;</pre>
<div class="block">An abstract <a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source"><code>MediaSource</code></a> wrapping a single child <a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source"><code>MediaSource</code></a>.
<p>The implementation may want to override the following methods as needed:
<ul>
<li><a href="#getMediaItem()"><code>getMediaItem()</code></a>: Amend the <a href="../MediaItem.html" title="class in com.google.android.exoplayer2"><code>MediaItem</code></a> for this media source. This is only
used before the child source is prepared.
<li><a href="#onChildSourceInfoRefreshed(com.google.android.exoplayer2.Timeline)"><code>onChildSourceInfoRefreshed(Timeline)</code></a>: Called whenever the child source's <a href="../Timeline.html" title="class in com.google.android.exoplayer2"><code>Timeline</code></a> changed. This <a href="../Timeline.html" title="class in com.google.android.exoplayer2"><code>Timeline</code></a> can be amended if needed, for example using <a href="ForwardingTimeline.html" title="class in com.google.android.exoplayer2.source"><code>ForwardingTimeline</code></a>. The <a href="../Timeline.html" title="class in com.google.android.exoplayer2"><code>Timeline</code></a> for the wrapping source needs to be published
with <a href="BaseMediaSource.html#refreshSourceInfo(com.google.android.exoplayer2.Timeline)"><code>BaseMediaSource.refreshSourceInfo(Timeline)</code></a>.
<li><a href="#createPeriod(com.google.android.exoplayer2.source.MediaSource.MediaPeriodId,com.google.android.exoplayer2.upstream.Allocator,long)"><code>createPeriod(com.google.android.exoplayer2.source.MediaSource.MediaPeriodId, com.google.android.exoplayer2.upstream.Allocator, long)</code></a>/<a href="#releasePeriod(com.google.android.exoplayer2.source.MediaPeriod)"><code>releasePeriod(com.google.android.exoplayer2.source.MediaPeriod)</code></a>: These methods create and release <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> instances. They typically forward to the wrapped media source and optionally
wrap the returned <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a>.
</ul>
<p>Other methods like <a href="#prepareSourceInternal(com.google.android.exoplayer2.upstream.TransferListener)"><code>prepareSourceInternal(com.google.android.exoplayer2.upstream.TransferListener)</code></a>, <a href="CompositeMediaSource.html#enableInternal()"><code>CompositeMediaSource.enableInternal()</code></a>, <a href="CompositeMediaSource.html#disableInternal()"><code>CompositeMediaSource.disableInternal()</code></a> or <a href="CompositeMediaSource.html#releaseSourceInternal()"><code>CompositeMediaSource.releaseSourceInternal()</code></a> only need to be overwritten if required for
resource management.</div>
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<h3>Nested classes/interfaces inherited from interface&nbsp;com.google.android.exoplayer2.source.<a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source">MediaSource</a></h3>
<code><a href="MediaSource.Factory.html" title="interface in com.google.android.exoplayer2.source">MediaSource.Factory</a>, <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source">MediaSource.MediaPeriodId</a>, <a href="MediaSource.MediaSourceCaller.html" title="interface in com.google.android.exoplayer2.source">MediaSource.MediaSourceCaller</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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<td class="colFirst"><code>protected <a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source">MediaSource</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#mediaSource">mediaSource</a></span></code></th>
<td class="colLast">
<div class="block">The wrapped child <a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source"><code>MediaSource</code></a>.</div>
</td>
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<th class="colFirst" scope="col">Modifier</th>
<th class="colSecond" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>protected </code></td>
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(com.google.android.exoplayer2.source.MediaSource)">WrappingMediaSource</a></span>&#8203;(<a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source">MediaSource</a>&nbsp;mediaSource)</code></th>
<td class="colLast">
<div class="block">Creates the wrapping <a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source"><code>MediaSource</code></a>.</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>
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<td class="colFirst"><code><a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source">MediaPeriod</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createPeriod(com.google.android.exoplayer2.source.MediaSource.MediaPeriodId,com.google.android.exoplayer2.upstream.Allocator,long)">createPeriod</a></span>&#8203;(<a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source">MediaSource.MediaPeriodId</a>&nbsp;id,
<a href="../upstream/Allocator.html" title="interface in com.google.android.exoplayer2.upstream">Allocator</a>&nbsp;allocator,
long&nbsp;startPositionUs)</code></th>
<td class="colLast">
<div class="block">Creates the requested <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a>.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#disableChildSource()">disableChildSource</a></span>()</code></th>
<td class="colLast">
<div class="block">Disables the child source.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#enableChildSource()">enableChildSource</a></span>()</code></th>
<td class="colLast">
<div class="block">Enables the child source.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../Timeline.html" title="class in com.google.android.exoplayer2">Timeline</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getInitialTimeline()">getInitialTimeline</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the initial placeholder timeline that is returned immediately when the real timeline is
not yet known, or null to let the player create an initial timeline.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../MediaItem.html" title="class in com.google.android.exoplayer2">MediaItem</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMediaItem()">getMediaItem</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the <a href="../MediaItem.html" title="class in com.google.android.exoplayer2"><code>MediaItem</code></a> for this media source.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source">MediaSource.MediaPeriodId</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMediaPeriodIdForChildMediaPeriodId(com.google.android.exoplayer2.source.MediaSource.MediaPeriodId)">getMediaPeriodIdForChildMediaPeriodId</a></span>&#8203;(<a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source">MediaSource.MediaPeriodId</a>&nbsp;mediaPeriodId)</code></th>
<td class="colLast">
<div class="block">Returns the <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source"><code>MediaSource.MediaPeriodId</code></a> in the wrapping source corresponding to the specified <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source"><code>MediaSource.MediaPeriodId</code></a> in a child source.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>protected <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source">MediaSource.MediaPeriodId</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMediaPeriodIdForChildMediaPeriodId(java.lang.Void,com.google.android.exoplayer2.source.MediaSource.MediaPeriodId)">getMediaPeriodIdForChildMediaPeriodId</a></span>&#8203;(<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&nbsp;childSourceId,
<a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source">MediaSource.MediaPeriodId</a>&nbsp;mediaPeriodId)</code></th>
<td class="colLast">
<div class="block">Returns the <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source"><code>MediaSource.MediaPeriodId</code></a> in the composite source corresponding to the specified <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source"><code>MediaSource.MediaPeriodId</code></a> in a child source.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>protected long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMediaTimeForChildMediaTime(long)">getMediaTimeForChildMediaTime</a></span>&#8203;(long&nbsp;mediaTimeMs)</code></th>
<td class="colLast">
<div class="block">Returns the media time in the <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> of the wrapping source corresponding to the
specified media time in the <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> of the child source.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>protected long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMediaTimeForChildMediaTime(java.lang.Void,long)">getMediaTimeForChildMediaTime</a></span>&#8203;(<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&nbsp;childSourceId,
long&nbsp;mediaTimeMs)</code></th>
<td class="colLast">
<div class="block">Returns the media time in the <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> of the composite source corresponding to the
specified media time in the <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> of the child source.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getWindowIndexForChildWindowIndex(int)">getWindowIndexForChildWindowIndex</a></span>&#8203;(int&nbsp;windowIndex)</code></th>
<td class="colLast">
<div class="block">Returns the window index in the wrapping source corresponding to the specified window index in
a child source.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>protected int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getWindowIndexForChildWindowIndex(java.lang.Void,int)">getWindowIndexForChildWindowIndex</a></span>&#8203;(<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&nbsp;childSourceId,
int&nbsp;windowIndex)</code></th>
<td class="colLast">
<div class="block">Returns the window index in the composite source corresponding to the specified window index in
a child source.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isSingleWindow()">isSingleWindow</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns true if the media source is guaranteed to never have zero or more than one window.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onChildSourceInfoRefreshed(com.google.android.exoplayer2.Timeline)">onChildSourceInfoRefreshed</a></span>&#8203;(<a href="../Timeline.html" title="class in com.google.android.exoplayer2">Timeline</a>&nbsp;newTimeline)</code></th>
<td class="colLast">
<div class="block">Called when the child source info has been refreshed.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onChildSourceInfoRefreshed(java.lang.Void,com.google.android.exoplayer2.source.MediaSource,com.google.android.exoplayer2.Timeline)">onChildSourceInfoRefreshed</a></span>&#8203;(<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&nbsp;childSourceId,
<a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source">MediaSource</a>&nbsp;mediaSource,
<a href="../Timeline.html" title="class in com.google.android.exoplayer2">Timeline</a>&nbsp;newTimeline)</code></th>
<td class="colLast">
<div class="block">Called when the source info of a child source has been refreshed.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#prepareChildSource()">prepareChildSource</a></span>()</code></th>
<td class="colLast">
<div class="block">Prepares the wrapped child source.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#prepareSourceInternal()">prepareSourceInternal</a></span>()</code></th>
<td class="colLast">
<div class="block">Starts source preparation and enables the source, see <a href="BaseMediaSource.html#prepareSource(com.google.android.exoplayer2.source.MediaSource.MediaSourceCaller,com.google.android.exoplayer2.upstream.TransferListener,com.google.android.exoplayer2.analytics.PlayerId)"><code>BaseMediaSource.prepareSource(MediaSourceCaller,
TransferListener, PlayerId)</code></a>.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#prepareSourceInternal(com.google.android.exoplayer2.upstream.TransferListener)">prepareSourceInternal</a></span>&#8203;(<a href="../upstream/TransferListener.html" title="interface in com.google.android.exoplayer2.upstream">TransferListener</a>&nbsp;mediaTransferListener)</code></th>
<td class="colLast">
<div class="block">Starts source preparation and enables the source, see <a href="BaseMediaSource.html#prepareSource(com.google.android.exoplayer2.source.MediaSource.MediaSourceCaller,com.google.android.exoplayer2.upstream.TransferListener,com.google.android.exoplayer2.analytics.PlayerId)"><code>BaseMediaSource.prepareSource(MediaSourceCaller,
TransferListener, PlayerId)</code></a>.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#releaseChildSource()">releaseChildSource</a></span>()</code></th>
<td class="colLast">
<div class="block">Releases the child source.</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="#releasePeriod(com.google.android.exoplayer2.source.MediaPeriod)">releasePeriod</a></span>&#8203;(<a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source">MediaPeriod</a>&nbsp;mediaPeriod)</code></th>
<td class="colLast">
<div class="block">Releases a <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a>.</div>
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<code><a href="CompositeMediaSource.html#disableChildSource(T)">disableChildSource</a>, <a href="CompositeMediaSource.html#disableInternal()">disableInternal</a>, <a href="CompositeMediaSource.html#enableChildSource(T)">enableChildSource</a>, <a href="CompositeMediaSource.html#enableInternal()">enableInternal</a>, <a href="CompositeMediaSource.html#maybeThrowSourceInfoRefreshError()">maybeThrowSourceInfoRefreshError</a>, <a href="CompositeMediaSource.html#prepareChildSource(T,com.google.android.exoplayer2.source.MediaSource)">prepareChildSource</a>, <a href="CompositeMediaSource.html#releaseChildSource(T)">releaseChildSource</a>, <a href="CompositeMediaSource.html#releaseSourceInternal()">releaseSourceInternal</a></code></li>
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<code><a href="BaseMediaSource.html#addDrmEventListener(android.os.Handler,com.google.android.exoplayer2.drm.DrmSessionEventListener)">addDrmEventListener</a>, <a href="BaseMediaSource.html#addEventListener(android.os.Handler,com.google.android.exoplayer2.source.MediaSourceEventListener)">addEventListener</a>, <a href="BaseMediaSource.html#createDrmEventDispatcher(int,com.google.android.exoplayer2.source.MediaSource.MediaPeriodId)">createDrmEventDispatcher</a>, <a href="BaseMediaSource.html#createDrmEventDispatcher(com.google.android.exoplayer2.source.MediaSource.MediaPeriodId)">createDrmEventDispatcher</a>, <a href="BaseMediaSource.html#createEventDispatcher(int,com.google.android.exoplayer2.source.MediaSource.MediaPeriodId,long)">createEventDispatcher</a>, <a href="BaseMediaSource.html#createEventDispatcher(com.google.android.exoplayer2.source.MediaSource.MediaPeriodId)">createEventDispatcher</a>, <a href="BaseMediaSource.html#createEventDispatcher(com.google.android.exoplayer2.source.MediaSource.MediaPeriodId,long)">createEventDispatcher</a>, <a href="BaseMediaSource.html#disable(com.google.android.exoplayer2.source.MediaSource.MediaSourceCaller)">disable</a>, <a href="BaseMediaSource.html#enable(com.google.android.exoplayer2.source.MediaSource.MediaSourceCaller)">enable</a>, <a href="BaseMediaSource.html#getPlayerId()">getPlayerId</a>, <a href="BaseMediaSource.html#isEnabled()">isEnabled</a>, <a href="BaseMediaSource.html#prepareSource(com.google.android.exoplayer2.source.MediaSource.MediaSourceCaller,com.google.android.exoplayer2.upstream.TransferListener)">prepareSource</a>, <a href="BaseMediaSource.html#prepareSource(com.google.android.exoplayer2.source.MediaSource.MediaSourceCaller,com.google.android.exoplayer2.upstream.TransferListener,com.google.android.exoplayer2.analytics.PlayerId)">prepareSource</a>, <a href="BaseMediaSource.html#refreshSourceInfo(com.google.android.exoplayer2.Timeline)">refreshSourceInfo</a>, <a href="BaseMediaSource.html#releaseSource(com.google.android.exoplayer2.source.MediaSource.MediaSourceCaller)">releaseSource</a>, <a href="BaseMediaSource.html#removeDrmEventListener(com.google.android.exoplayer2.drm.DrmSessionEventListener)">removeDrmEventListener</a>, <a href="BaseMediaSource.html#removeEventListener(com.google.android.exoplayer2.source.MediaSourceEventListener)">removeEventListener</a></code></li>
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<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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<h4>mediaSource</h4>
<pre>protected final&nbsp;<a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source">MediaSource</a> mediaSource</pre>
<div class="block">The wrapped child <a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source"><code>MediaSource</code></a>.</div>
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<h4>WrappingMediaSource</h4>
<pre>protected&nbsp;WrappingMediaSource&#8203;(<a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source">MediaSource</a>&nbsp;mediaSource)</pre>
<div class="block">Creates the wrapping <a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source"><code>MediaSource</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mediaSource</code> - The wrapped child <a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source"><code>MediaSource</code></a>.</dd>
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<pre class="methodSignature">protected final&nbsp;void&nbsp;prepareSourceInternal&#8203;(@Nullable
<a href="../upstream/TransferListener.html" title="interface in com.google.android.exoplayer2.upstream">TransferListener</a>&nbsp;mediaTransferListener)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="BaseMediaSource.html#prepareSourceInternal(com.google.android.exoplayer2.upstream.TransferListener)">BaseMediaSource</a></code></span></div>
<div class="block">Starts source preparation and enables the source, see <a href="BaseMediaSource.html#prepareSource(com.google.android.exoplayer2.source.MediaSource.MediaSourceCaller,com.google.android.exoplayer2.upstream.TransferListener,com.google.android.exoplayer2.analytics.PlayerId)"><code>BaseMediaSource.prepareSource(MediaSourceCaller,
TransferListener, PlayerId)</code></a>. This method is called at most once until the next call to <a href="BaseMediaSource.html#releaseSourceInternal()"><code>BaseMediaSource.releaseSourceInternal()</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="CompositeMediaSource.html#prepareSourceInternal(com.google.android.exoplayer2.upstream.TransferListener)">prepareSourceInternal</a></code>&nbsp;in class&nbsp;<code><a href="CompositeMediaSource.html" title="class in com.google.android.exoplayer2.source">CompositeMediaSource</a>&lt;<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mediaTransferListener</code> - The transfer listener which should be informed of any media data
transfers. May be null if no listener is available. Note that this listener should usually
be only informed of transfers related to the media loads and not of auxiliary loads for
manifests and other data.</dd>
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<pre class="methodSignature">protected&nbsp;void&nbsp;prepareSourceInternal()</pre>
<div class="block">Starts source preparation and enables the source, see <a href="BaseMediaSource.html#prepareSource(com.google.android.exoplayer2.source.MediaSource.MediaSourceCaller,com.google.android.exoplayer2.upstream.TransferListener,com.google.android.exoplayer2.analytics.PlayerId)"><code>BaseMediaSource.prepareSource(MediaSourceCaller,
TransferListener, PlayerId)</code></a>. This method is called at most once until the next call to <a href="CompositeMediaSource.html#releaseSourceInternal()"><code>CompositeMediaSource.releaseSourceInternal()</code></a>.</div>
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<h4>getInitialTimeline</h4>
<pre class="methodSignature">@Nullable
public&nbsp;<a href="../Timeline.html" title="class in com.google.android.exoplayer2">Timeline</a>&nbsp;getInitialTimeline()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="MediaSource.html#getInitialTimeline()">MediaSource</a></code></span></div>
<div class="block">Returns the initial placeholder timeline that is returned immediately when the real timeline is
not yet known, or null to let the player create an initial timeline.
<p>The initial timeline must use the same uids for windows and periods that the real timeline
will use. It also must provide windows which are marked as dynamic to indicate that the window
is expected to change when the real timeline arrives.
<p>Any media source which has multiple windows should typically provide such an initial
timeline to make sure the player reports the correct number of windows immediately.</div>
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<h4>isSingleWindow</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;isSingleWindow()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="MediaSource.html#isSingleWindow()">MediaSource</a></code></span></div>
<div class="block">Returns true if the media source is guaranteed to never have zero or more than one window.
<p>The default implementation returns <code>true</code>.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the source has exactly one window.</dd>
</dl>
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<pre class="methodSignature">public&nbsp;<a href="../MediaItem.html" title="class in com.google.android.exoplayer2">MediaItem</a>&nbsp;getMediaItem()</pre>
<div class="block">Returns the <a href="../MediaItem.html" title="class in com.google.android.exoplayer2"><code>MediaItem</code></a> for this media source.
<p>This method can be overridden to amend the <a href="../MediaItem.html" title="class in com.google.android.exoplayer2"><code>MediaItem</code></a> of the child source. It is only
used before the child source is prepared.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="MediaSource.html#getMediaItem()"><code>MediaSource.getMediaItem()</code></a></dd>
</dl>
</li>
</ul>
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<h4>createPeriod</h4>
<pre class="methodSignature">public&nbsp;<a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source">MediaPeriod</a>&nbsp;createPeriod&#8203;(<a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source">MediaSource.MediaPeriodId</a>&nbsp;id,
<a href="../upstream/Allocator.html" title="interface in com.google.android.exoplayer2.upstream">Allocator</a>&nbsp;allocator,
long&nbsp;startPositionUs)</pre>
<div class="block">Creates the requested <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a>.
<p>This method typically forwards to the wrapped media source and optionally wraps the returned
<a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>id</code> - The identifier of the period.</dd>
<dd><code>allocator</code> - An <a href="../upstream/Allocator.html" title="interface in com.google.android.exoplayer2.upstream"><code>Allocator</code></a> from 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="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a>.</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="MediaSource.html#createPeriod(com.google.android.exoplayer2.source.MediaSource.MediaPeriodId,com.google.android.exoplayer2.upstream.Allocator,long)"><code>MediaSource.createPeriod(MediaPeriodId, Allocator, long)</code></a></dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;releasePeriod&#8203;(<a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source">MediaPeriod</a>&nbsp;mediaPeriod)</pre>
<div class="block">Releases a <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a>.
<p>This method typically forwards to the wrapped media source and optionally unwraps the
provided <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mediaPeriod</code> - The period to release.</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="MediaSource.html#releasePeriod(com.google.android.exoplayer2.source.MediaPeriod)"><code>MediaSource.releasePeriod(MediaPeriod)</code></a></dd>
</dl>
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<h4>onChildSourceInfoRefreshed</h4>
<pre class="methodSignature">protected final&nbsp;void&nbsp;onChildSourceInfoRefreshed&#8203;(<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&nbsp;childSourceId,
<a href="MediaSource.html" title="interface in com.google.android.exoplayer2.source">MediaSource</a>&nbsp;mediaSource,
<a href="../Timeline.html" title="class in com.google.android.exoplayer2">Timeline</a>&nbsp;newTimeline)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="CompositeMediaSource.html#onChildSourceInfoRefreshed(T,com.google.android.exoplayer2.source.MediaSource,com.google.android.exoplayer2.Timeline)">CompositeMediaSource</a></code></span></div>
<div class="block">Called when the source info of a child source has been refreshed.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="CompositeMediaSource.html#onChildSourceInfoRefreshed(T,com.google.android.exoplayer2.source.MediaSource,com.google.android.exoplayer2.Timeline)">onChildSourceInfoRefreshed</a></code>&nbsp;in class&nbsp;<code><a href="CompositeMediaSource.html" title="class in com.google.android.exoplayer2.source">CompositeMediaSource</a>&lt;<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>childSourceId</code> - The unique id used to prepare the child source.</dd>
<dd><code>mediaSource</code> - The child source whose source info has been refreshed.</dd>
<dd><code>newTimeline</code> - The timeline of the child source.</dd>
</dl>
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<pre class="methodSignature">protected&nbsp;void&nbsp;onChildSourceInfoRefreshed&#8203;(<a href="../Timeline.html" title="class in com.google.android.exoplayer2">Timeline</a>&nbsp;newTimeline)</pre>
<div class="block">Called when the child source info has been refreshed.
<p>This <a href="../Timeline.html" title="class in com.google.android.exoplayer2"><code>Timeline</code></a> can be amended if needed, for example using <a href="ForwardingTimeline.html" title="class in com.google.android.exoplayer2.source"><code>ForwardingTimeline</code></a>. The <a href="../Timeline.html" title="class in com.google.android.exoplayer2"><code>Timeline</code></a> for the wrapping source needs to be published with
<a href="BaseMediaSource.html#refreshSourceInfo(com.google.android.exoplayer2.Timeline)"><code>BaseMediaSource.refreshSourceInfo(Timeline)</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>newTimeline</code> - The timeline of the child source.</dd>
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<pre class="methodSignature">protected final&nbsp;int&nbsp;getWindowIndexForChildWindowIndex&#8203;(<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&nbsp;childSourceId,
int&nbsp;windowIndex)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="CompositeMediaSource.html#getWindowIndexForChildWindowIndex(T,int)">CompositeMediaSource</a></code></span></div>
<div class="block">Returns the window index in the composite source corresponding to the specified window index in
a child source. The default implementation does not change the window index.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="CompositeMediaSource.html#getWindowIndexForChildWindowIndex(T,int)">getWindowIndexForChildWindowIndex</a></code>&nbsp;in class&nbsp;<code><a href="CompositeMediaSource.html" title="class in com.google.android.exoplayer2.source">CompositeMediaSource</a>&lt;<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>childSourceId</code> - The unique id used to prepare the child source.</dd>
<dd><code>windowIndex</code> - A window index of the child source.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The corresponding window index in the composite source.</dd>
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<pre class="methodSignature">protected&nbsp;int&nbsp;getWindowIndexForChildWindowIndex&#8203;(int&nbsp;windowIndex)</pre>
<div class="block">Returns the window index in the wrapping source corresponding to the specified window index in
a child source. The default implementation does not change the window index.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>windowIndex</code> - A window index of the child source.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The corresponding window index in the wrapping source.</dd>
</dl>
</li>
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<pre class="methodSignature">@Nullable
protected final&nbsp;<a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source">MediaSource.MediaPeriodId</a>&nbsp;getMediaPeriodIdForChildMediaPeriodId&#8203;(<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&nbsp;childSourceId,
<a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source">MediaSource.MediaPeriodId</a>&nbsp;mediaPeriodId)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="CompositeMediaSource.html#getMediaPeriodIdForChildMediaPeriodId(T,com.google.android.exoplayer2.source.MediaSource.MediaPeriodId)">CompositeMediaSource</a></code></span></div>
<div class="block">Returns the <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source"><code>MediaSource.MediaPeriodId</code></a> in the composite source corresponding to the specified <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source"><code>MediaSource.MediaPeriodId</code></a> in a child source. The default implementation does not change the media period
id.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="CompositeMediaSource.html#getMediaPeriodIdForChildMediaPeriodId(T,com.google.android.exoplayer2.source.MediaSource.MediaPeriodId)">getMediaPeriodIdForChildMediaPeriodId</a></code>&nbsp;in class&nbsp;<code><a href="CompositeMediaSource.html" title="class in com.google.android.exoplayer2.source">CompositeMediaSource</a>&lt;<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>childSourceId</code> - The unique id used to prepare the child source.</dd>
<dd><code>mediaPeriodId</code> - A <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source"><code>MediaSource.MediaPeriodId</code></a> of the child source.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The corresponding <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source"><code>MediaSource.MediaPeriodId</code></a> in the composite source. Null if no
corresponding media period id can be determined.</dd>
</dl>
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</ul>
<a id="getMediaPeriodIdForChildMediaPeriodId(com.google.android.exoplayer2.source.MediaSource.MediaPeriodId)">
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<h4>getMediaPeriodIdForChildMediaPeriodId</h4>
<pre class="methodSignature">@Nullable
protected&nbsp;<a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source">MediaSource.MediaPeriodId</a>&nbsp;getMediaPeriodIdForChildMediaPeriodId&#8203;(<a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source">MediaSource.MediaPeriodId</a>&nbsp;mediaPeriodId)</pre>
<div class="block">Returns the <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source"><code>MediaSource.MediaPeriodId</code></a> in the wrapping source corresponding to the specified <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source"><code>MediaSource.MediaPeriodId</code></a> in a child source. The default implementation does not change the media period
id.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mediaPeriodId</code> - A <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source"><code>MediaSource.MediaPeriodId</code></a> of the child source.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The corresponding <a href="MediaSource.MediaPeriodId.html" title="class in com.google.android.exoplayer2.source"><code>MediaSource.MediaPeriodId</code></a> in the wrapping source. Null if no
corresponding media period id can be determined.</dd>
</dl>
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</ul>
<a id="getMediaTimeForChildMediaTime(java.lang.Void,long)">
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<h4>getMediaTimeForChildMediaTime</h4>
<pre class="methodSignature">protected final&nbsp;long&nbsp;getMediaTimeForChildMediaTime&#8203;(<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&nbsp;childSourceId,
long&nbsp;mediaTimeMs)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="CompositeMediaSource.html#getMediaTimeForChildMediaTime(T,long)">CompositeMediaSource</a></code></span></div>
<div class="block">Returns the media time in the <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> of the composite source corresponding to the
specified media time in the <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> of the child source. The default implementation
does not change the media time.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="CompositeMediaSource.html#getMediaTimeForChildMediaTime(T,long)">getMediaTimeForChildMediaTime</a></code>&nbsp;in class&nbsp;<code><a href="CompositeMediaSource.html" title="class in com.google.android.exoplayer2.source">CompositeMediaSource</a>&lt;<a href="https://developer.android.com/reference/java/lang/Void.html" title="class or interface in java.lang" class="externalLink" target="_top">Void</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>childSourceId</code> - The unique id used to prepare the child source.</dd>
<dd><code>mediaTimeMs</code> - A media time in the <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> of the child source, in
milliseconds.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The corresponding media time in the <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> of the composite source, in
milliseconds.</dd>
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<h4>getMediaTimeForChildMediaTime</h4>
<pre class="methodSignature">protected&nbsp;long&nbsp;getMediaTimeForChildMediaTime&#8203;(long&nbsp;mediaTimeMs)</pre>
<div class="block">Returns the media time in the <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> of the wrapping source corresponding to the
specified media time in the <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> of the child source. The default implementation
does not change the media time.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mediaTimeMs</code> - A media time in the <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> of the child source, in
milliseconds.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The corresponding media time in the <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> of the wrapping source, in
milliseconds.</dd>
</dl>
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<a id="prepareChildSource()">
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<h4>prepareChildSource</h4>
<pre class="methodSignature">protected final&nbsp;void&nbsp;prepareChildSource()</pre>
<div class="block">Prepares the wrapped child source.
<p><a href="#onChildSourceInfoRefreshed(com.google.android.exoplayer2.Timeline)"><code>onChildSourceInfoRefreshed(Timeline)</code></a> will be called when the child source updates
its timeline.
<p>If sources aren't explicitly released with <a href="#releaseChildSource()"><code>releaseChildSource()</code></a> they will be
released in <a href="CompositeMediaSource.html#releaseSourceInternal()"><code>CompositeMediaSource.releaseSourceInternal()</code></a>.</div>
</li>
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<h4>enableChildSource</h4>
<pre class="methodSignature">protected final&nbsp;void&nbsp;enableChildSource()</pre>
<div class="block">Enables the child source.</div>
</li>
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<h4>disableChildSource</h4>
<pre class="methodSignature">protected final&nbsp;void&nbsp;disableChildSource()</pre>
<div class="block">Disables the child source.</div>
</li>
</ul>
<a id="releaseChildSource()">
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</a>
<ul class="blockListLast">
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<h4>releaseChildSource</h4>
<pre class="methodSignature">protected final&nbsp;void&nbsp;releaseChildSource()</pre>
<div class="block">Releases the child source.</div>
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