347 lines
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<h2 title="Interface LivePlaybackSpeedControl" class="title">Interface LivePlaybackSpeedControl</h2>
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<dt>All Known Implementing Classes:</dt>
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<dd><code><a href="../../../../com/google/android/exoplayer2/DefaultLivePlaybackSpeedControl.html" title="class in com.google.android.exoplayer2">DefaultLivePlaybackSpeedControl</a></code></dd>
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<pre>public interface <span class="typeNameLabel">LivePlaybackSpeedControl</span></pre>
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<div class="block">Controls the playback speed while playing live content in order to maintain a steady target live
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offset.</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colSecond" scope="col">Method</th>
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<th class="colLast" scope="col">Description</th>
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</tr>
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<tr id="i0" class="altColor">
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<td class="colFirst"><code>float</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../com/google/android/exoplayer2/LivePlaybackSpeedControl.html#getAdjustedPlaybackSpeed-long-long-">getAdjustedPlaybackSpeed</a></span>​(long liveOffsetUs,
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long bufferedDurationUs)</code></th>
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<td class="colLast">
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<div class="block">Returns the adjusted playback speed in order get closer towards the <a href="../../../../com/google/android/exoplayer2/LivePlaybackSpeedControl.html#getTargetLiveOffsetUs--"><code>target live offset</code></a>.</div>
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</td>
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</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>long</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../com/google/android/exoplayer2/LivePlaybackSpeedControl.html#getTargetLiveOffsetUs--">getTargetLiveOffsetUs</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns the current target live offset, in microseconds, or <a href="../../../../com/google/android/exoplayer2/C.html#TIME_UNSET"><code>C.TIME_UNSET</code></a> if no target
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live offset is defined for the current media.</div>
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</td>
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</tr>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../com/google/android/exoplayer2/LivePlaybackSpeedControl.html#notifyRebuffer--">notifyRebuffer</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Notifies the live playback speed control that a rebuffer occurred.</div>
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</td>
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</tr>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../com/google/android/exoplayer2/LivePlaybackSpeedControl.html#setLiveConfiguration-com.google.android.exoplayer2.MediaItem.LiveConfiguration-">setLiveConfiguration</a></span>​(<a href="../../../../com/google/android/exoplayer2/MediaItem.LiveConfiguration.html" title="class in com.google.android.exoplayer2">MediaItem.LiveConfiguration</a> liveConfiguration)</code></th>
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<td class="colLast">
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<div class="block">Sets the live configuration defined by the media.</div>
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</td>
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</tr>
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<tr id="i4" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../com/google/android/exoplayer2/LivePlaybackSpeedControl.html#setTargetLiveOffsetOverrideUs-long-">setTargetLiveOffsetOverrideUs</a></span>​(long liveOffsetUs)</code></th>
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<td class="colLast">
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<div class="block">Sets the target live offset in microseconds that overrides the live offset <a href="../../../../com/google/android/exoplayer2/LivePlaybackSpeedControl.html#setLiveConfiguration-com.google.android.exoplayer2.MediaItem.LiveConfiguration-"><code>configured</code></a> by the media.</div>
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</td>
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<h3>Method Detail</h3>
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<a name="setLiveConfiguration-com.google.android.exoplayer2.MediaItem.LiveConfiguration-">
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<h4>setLiveConfiguration</h4>
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<pre>void setLiveConfiguration​(<a href="../../../../com/google/android/exoplayer2/MediaItem.LiveConfiguration.html" title="class in com.google.android.exoplayer2">MediaItem.LiveConfiguration</a> liveConfiguration)</pre>
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<div class="block">Sets the live configuration defined by the media.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>liveConfiguration</code> - The <a href="../../../../com/google/android/exoplayer2/MediaItem.LiveConfiguration.html" title="class in com.google.android.exoplayer2"><code>MediaItem.LiveConfiguration</code></a> as defined by the media.</dd>
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<h4>setTargetLiveOffsetOverrideUs</h4>
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<pre>void setTargetLiveOffsetOverrideUs​(long liveOffsetUs)</pre>
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<div class="block">Sets the target live offset in microseconds that overrides the live offset <a href="../../../../com/google/android/exoplayer2/LivePlaybackSpeedControl.html#setLiveConfiguration-com.google.android.exoplayer2.MediaItem.LiveConfiguration-"><code>configured</code></a> by the media. Passing <code>C.TIME_UNSET</code> deletes a previous
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override.
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<p>If no target live offset is configured by <a href="../../../../com/google/android/exoplayer2/LivePlaybackSpeedControl.html#setLiveConfiguration-com.google.android.exoplayer2.MediaItem.LiveConfiguration-"><code>setLiveConfiguration(com.google.android.exoplayer2.MediaItem.LiveConfiguration)</code></a>, this override has
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no effect.</div>
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</li>
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<h4>notifyRebuffer</h4>
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<pre>void notifyRebuffer()</pre>
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<div class="block">Notifies the live playback speed control that a rebuffer occurred.
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<p>A rebuffer is defined to be caused by buffer depletion rather than a user action. Hence this
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method is not called during initial buffering or when buffering as a result of a seek
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operation.</div>
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</li>
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<h4>getAdjustedPlaybackSpeed</h4>
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<pre>float getAdjustedPlaybackSpeed​(long liveOffsetUs,
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long bufferedDurationUs)</pre>
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<div class="block">Returns the adjusted playback speed in order get closer towards the <a href="../../../../com/google/android/exoplayer2/LivePlaybackSpeedControl.html#getTargetLiveOffsetUs--"><code>target live offset</code></a>.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>liveOffsetUs</code> - The current live offset, in microseconds.</dd>
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<dd><code>bufferedDurationUs</code> - The duration of media that's currently buffered, in microseconds.</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>The adjusted factor by which playback should be sped up.</dd>
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<h4>getTargetLiveOffsetUs</h4>
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<pre>long getTargetLiveOffsetUs()</pre>
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<div class="block">Returns the current target live offset, in microseconds, or <a href="../../../../com/google/android/exoplayer2/C.html#TIME_UNSET"><code>C.TIME_UNSET</code></a> if no target
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live offset is defined for the current media.</div>
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