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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.google.android.exoplayer2.source</a></div>
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<h2 title="Interface MediaPeriod" class="title">Interface MediaPeriod</h2>
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<div class="contentContainer">
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<div class="description">
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<dt>All Superinterfaces:</dt>
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<dd><code><a href="SequenceableLoader.html" title="interface in com.google.android.exoplayer2.source">SequenceableLoader</a></code></dd>
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</dl>
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<dl>
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<dt>All Known Implementing Classes:</dt>
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<dd><code><a href="ClippingMediaPeriod.html" title="class in com.google.android.exoplayer2.source">ClippingMediaPeriod</a></code>, <code><a href="../testutil/FakeAdaptiveMediaPeriod.html" title="class in com.google.android.exoplayer2.testutil">FakeAdaptiveMediaPeriod</a></code>, <code><a href="../testutil/FakeMediaPeriod.html" title="class in com.google.android.exoplayer2.testutil">FakeMediaPeriod</a></code>, <code><a href="hls/HlsMediaPeriod.html" title="class in com.google.android.exoplayer2.source.hls">HlsMediaPeriod</a></code>, <code><a href="MaskingMediaPeriod.html" title="class in com.google.android.exoplayer2.source">MaskingMediaPeriod</a></code></dd>
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<pre>public interface <span class="typeNameLabel">MediaPeriod</span>
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extends <a href="SequenceableLoader.html" title="interface in com.google.android.exoplayer2.source">SequenceableLoader</a></pre>
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<div class="block">Loads media corresponding to a <a href="../Timeline.Period.html" title="class in com.google.android.exoplayer2"><code>Timeline.Period</code></a>, and allows that media to be read. All
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methods are called on the player's internal playback thread, as described in the <a href="../ExoPlayer.html" title="interface in com.google.android.exoplayer2"><code>ExoPlayer</code></a> Javadoc.
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<p>A <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> may only able to provide one <a href="SampleStream.html" title="interface in com.google.android.exoplayer2.source"><code>SampleStream</code></a> corresponding to a
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group at any given time, however this <a href="SampleStream.html" title="interface in com.google.android.exoplayer2.source"><code>SampleStream</code></a> may adapt between multiple tracks
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within the group.</div>
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<caption><span>Nested Classes</span><span class="tabEnd"> </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">Interface</th>
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<th class="colLast" scope="col">Description</th>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static interface </code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="MediaPeriod.Callback.html" title="interface in com.google.android.exoplayer2.source">MediaPeriod.Callback</a></span></code></th>
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<td class="colLast">
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<div class="block">A callback to be notified of <a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod</code></a> events.</div>
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</td>
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<h3>Method Summary</h3>
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<table class="memberSummary">
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t5" class="tableTab"><span><a href="javascript:show(16);">Default Methods</a></span><span class="tabEnd"> </span></span></caption>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colSecond" scope="col">Method</th>
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<th class="colLast" scope="col">Description</th>
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</tr>
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<tr id="i0" class="altColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#continueLoading(long)">continueLoading</a></span>​(long positionUs)</code></th>
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<td class="colLast">
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<div class="block">Attempts to continue loading.</div>
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</td>
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</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#discardBuffer(long,boolean)">discardBuffer</a></span>​(long positionUs,
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boolean toKeyframe)</code></th>
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<td class="colLast">
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<div class="block">Discards buffered media up to the specified position.</div>
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</td>
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</tr>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code>long</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAdjustedSeekPositionUs(long,com.google.android.exoplayer2.SeekParameters)">getAdjustedSeekPositionUs</a></span>​(long positionUs,
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<a href="../SeekParameters.html" title="class in com.google.android.exoplayer2">SeekParameters</a> seekParameters)</code></th>
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<td class="colLast">
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<div class="block">Returns the position to which a seek will be performed, given the specified seek position and
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<a href="../SeekParameters.html" title="class in com.google.android.exoplayer2"><code>SeekParameters</code></a>.</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>long</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBufferedPositionUs()">getBufferedPositionUs</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns an estimate of the position up to which data is buffered for the enabled tracks.</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>long</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNextLoadPositionUs()">getNextLoadPositionUs</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns the next load time, or <a href="../C.html#TIME_END_OF_SOURCE"><code>C.TIME_END_OF_SOURCE</code></a> if loading has finished.</div>
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</td>
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</tr>
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<tr id="i5" class="rowColor">
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<td class="colFirst"><code>default <a href="https://developer.android.com/reference/java/util/List.html" title="class or interface in java.util" class="externalLink">List</a><<a href="../offline/StreamKey.html" title="class in com.google.android.exoplayer2.offline" target="_top">StreamKey</a>></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getStreamKeys(java.util.List)">getStreamKeys</a></span>​(<a href="https://developer.android.com/reference/java/util/List.html" title="class or interface in java.util" class="externalLink">List</a><<a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection" target="_top">ExoTrackSelection</a>> trackSelections)</code></th>
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<td class="colLast">
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<div class="block">Returns a list of <a href="../offline/StreamKey.html" title="class in com.google.android.exoplayer2.offline"><code>StreamKeys</code></a> which allow to filter the media in this period
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to load only the parts needed to play the provided <a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection"><code>TrackSelections</code></a>.</div>
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</td>
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</tr>
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<tr id="i6" class="altColor">
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<td class="colFirst"><code><a href="TrackGroupArray.html" title="class in com.google.android.exoplayer2.source">TrackGroupArray</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTrackGroups()">getTrackGroups</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns the <a href="TrackGroup.html" title="class in com.google.android.exoplayer2.source"><code>TrackGroup</code></a>s exposed by the period.</div>
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</td>
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</tr>
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<tr id="i7" class="rowColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isLoading()">isLoading</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns whether the media period is currently loading.</div>
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</td>
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</tr>
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<tr id="i8" 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="#maybeThrowPrepareError()">maybeThrowPrepareError</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Throws an error that's preventing the period from becoming prepared.</div>
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</td>
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</tr>
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<tr id="i9" 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="#prepare(com.google.android.exoplayer2.source.MediaPeriod.Callback,long)">prepare</a></span>​(<a href="MediaPeriod.Callback.html" title="interface in com.google.android.exoplayer2.source">MediaPeriod.Callback</a> callback,
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long positionUs)</code></th>
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<td class="colLast">
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<div class="block">Prepares this media period asynchronously.</div>
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</td>
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</tr>
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<tr id="i10" class="altColor">
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<td class="colFirst"><code>long</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readDiscontinuity()">readDiscontinuity</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Attempts to read a discontinuity.</div>
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</td>
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</tr>
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<tr id="i11" 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="#reevaluateBuffer(long)">reevaluateBuffer</a></span>​(long positionUs)</code></th>
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<td class="colLast">
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<div class="block">Re-evaluates the buffer given the playback position.</div>
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</td>
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</tr>
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<tr id="i12" class="altColor">
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<td class="colFirst"><code>long</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#seekToUs(long)">seekToUs</a></span>​(long positionUs)</code></th>
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<td class="colLast">
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<div class="block">Attempts to seek to the specified position in microseconds.</div>
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</td>
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</tr>
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<tr id="i13" 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="#selectTracks(com.google.android.exoplayer2.trackselection.ExoTrackSelection%5B%5D,boolean%5B%5D,com.google.android.exoplayer2.source.SampleStream%5B%5D,boolean%5B%5D,long)">selectTracks</a></span>​(@NullableType <a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a>[] selections,
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boolean[] mayRetainStreamFlags,
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@NullableType <a href="SampleStream.html" title="interface in com.google.android.exoplayer2.source">SampleStream</a>[] streams,
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boolean[] streamResetFlags,
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long positionUs)</code></th>
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<td class="colLast">
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<div class="block">Performs a track selection.</div>
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</td>
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</tr>
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</table>
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</li>
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</ul>
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</section>
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</li>
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</ul>
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</div>
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<!-- ============ METHOD DETAIL ========== -->
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<h3>Method Detail</h3>
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<a id="prepare(com.google.android.exoplayer2.source.MediaPeriod.Callback,long)">
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<h4>prepare</h4>
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<pre class="methodSignature">void prepare​(<a href="MediaPeriod.Callback.html" title="interface in com.google.android.exoplayer2.source">MediaPeriod.Callback</a> callback,
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long positionUs)</pre>
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<div class="block">Prepares this media period asynchronously.
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<p><code>callback.onPrepared</code> is called when preparation completes. If preparation fails,
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<a href="#maybeThrowPrepareError()"><code>maybeThrowPrepareError()</code></a> will throw an <a href="https://developer.android.com/reference/java/io/IOException.html" title="class or interface in java.io" class="externalLink" target="_top"><code>IOException</code></a>.
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<p>If preparation succeeds and results in a source timeline change (e.g. the period duration
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becoming known), <a href="MediaSource.MediaSourceCaller.html#onSourceInfoRefreshed(com.google.android.exoplayer2.source.MediaSource,com.google.android.exoplayer2.Timeline)"><code>MediaSource.MediaSourceCaller.onSourceInfoRefreshed(MediaSource, Timeline)</code></a> will be
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called before <code>callback.onPrepared</code>.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>callback</code> - Callback to receive updates from this period, including being notified when
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preparation completes.</dd>
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<dd><code>positionUs</code> - The expected starting position, in microseconds.</dd>
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</dl>
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</li>
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</ul>
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<a id="maybeThrowPrepareError()">
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<h4>maybeThrowPrepareError</h4>
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<pre class="methodSignature">void maybeThrowPrepareError()
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throws <a href="https://developer.android.com/reference/java/io/IOException.html" title="class or interface in java.io" class="externalLink" target="_top">IOException</a></pre>
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<div class="block">Throws an error that's preventing the period from becoming prepared. Does nothing if no such
|
|
error exists.
|
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<p>This method is only called before the period has completed preparation.</div>
|
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<dl>
|
|
<dt><span class="throwsLabel">Throws:</span></dt>
|
|
<dd><code><a href="https://developer.android.com/reference/java/io/IOException.html" title="class or interface in java.io" class="externalLink" target="_top">IOException</a></code> - The underlying error.</dd>
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</dl>
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</li>
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</ul>
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<a id="getTrackGroups()">
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<h4>getTrackGroups</h4>
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<pre class="methodSignature"><a href="TrackGroupArray.html" title="class in com.google.android.exoplayer2.source">TrackGroupArray</a> getTrackGroups()</pre>
|
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<div class="block">Returns the <a href="TrackGroup.html" title="class in com.google.android.exoplayer2.source"><code>TrackGroup</code></a>s exposed by the period.
|
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|
<p>This method is only called after the period has been prepared.</div>
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<dl>
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<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>The <a href="TrackGroup.html" title="class in com.google.android.exoplayer2.source"><code>TrackGroup</code></a>s.</dd>
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</dl>
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</li>
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</ul>
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<a id="getStreamKeys(java.util.List)">
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<h4>getStreamKeys</h4>
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<pre class="methodSignature">default <a href="https://developer.android.com/reference/java/util/List.html" title="class or interface in java.util" class="externalLink">List</a><<a href="../offline/StreamKey.html" title="class in com.google.android.exoplayer2.offline">StreamKey</a>> getStreamKeys​(<a href="https://developer.android.com/reference/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection" target="_top">ExoTrackSelection</a>> trackSelections)</pre>
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<div class="block">Returns a list of <a href="../offline/StreamKey.html" title="class in com.google.android.exoplayer2.offline"><code>StreamKeys</code></a> which allow to filter the media in this period
|
|
to load only the parts needed to play the provided <a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection"><code>TrackSelections</code></a>.
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<p>This method is only called after the period has been prepared.</div>
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<dl>
|
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>trackSelections</code> - The <a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection"><code>TrackSelections</code></a> describing the tracks for
|
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which stream keys are requested.</dd>
|
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>The corresponding <a href="../offline/StreamKey.html" title="class in com.google.android.exoplayer2.offline"><code>StreamKeys</code></a> for the selected tracks, or an empty
|
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list if filtering is not possible and the entire media needs to be loaded to play the
|
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selected tracks.</dd>
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</dl>
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</li>
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</ul>
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<a id="selectTracks(com.google.android.exoplayer2.trackselection.ExoTrackSelection[],boolean[],com.google.android.exoplayer2.source.SampleStream[],boolean[],long)">
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<h4>selectTracks</h4>
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<pre class="methodSignature">long selectTracks​(@NullableType <a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection">ExoTrackSelection</a>[] selections,
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boolean[] mayRetainStreamFlags,
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@NullableType <a href="SampleStream.html" title="interface in com.google.android.exoplayer2.source">SampleStream</a>[] streams,
|
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boolean[] streamResetFlags,
|
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long positionUs)</pre>
|
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<div class="block">Performs a track selection.
|
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|
|
<p>The call receives track <code>selections</code> for each renderer, <code>mayRetainStreamFlags</code>
|
|
indicating whether the existing <a href="SampleStream.html" title="interface in com.google.android.exoplayer2.source"><code>SampleStream</code></a> can be retained for each selection, and
|
|
the existing <code>stream</code>s themselves. The call will update <code>streams</code> to reflect the
|
|
provided selections, clearing, setting and replacing entries as required. If an existing sample
|
|
stream is retained but with the requirement that the consuming renderer be reset, then the
|
|
corresponding flag in <code>streamResetFlags</code> will be set to true. This flag will also be set
|
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if a new sample stream is created.
|
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|
|
<p>Note that previously passed <a href="../trackselection/ExoTrackSelection.html" title="interface in com.google.android.exoplayer2.trackselection"><code>TrackSelections</code></a> are no longer valid,
|
|
and any references to them must be updated to point to the new selections.
|
|
|
|
<p>This method is only called after the period has been prepared.</div>
|
|
<dl>
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>selections</code> - The renderer track selections.</dd>
|
|
<dd><code>mayRetainStreamFlags</code> - Flags indicating whether the existing sample stream can be retained
|
|
for each track selection. A <code>true</code> value indicates that the selection is equivalent
|
|
to the one that was previously passed, and that the caller does not require that the sample
|
|
stream be recreated. If a retained sample stream holds any references to the track
|
|
selection then they must be updated to point to the new selection.</dd>
|
|
<dd><code>streams</code> - The existing sample streams, which will be updated to reflect the provided
|
|
selections.</dd>
|
|
<dd><code>streamResetFlags</code> - Will be updated to indicate new sample streams, and sample streams that
|
|
have been retained but with the requirement that the consuming renderer be reset.</dd>
|
|
<dd><code>positionUs</code> - The current playback position in microseconds. If playback of this period has
|
|
not yet started, the value will be the starting position.</dd>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>The actual position at which the tracks were enabled, in microseconds.</dd>
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|
</dl>
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</li>
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</ul>
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<a id="discardBuffer(long,boolean)">
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</a>
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<ul class="blockList">
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<h4>discardBuffer</h4>
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<pre class="methodSignature">void discardBuffer​(long positionUs,
|
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boolean toKeyframe)</pre>
|
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<div class="block">Discards buffered media up to the specified position.
|
|
|
|
<p>This method is only called after the period has been prepared.</div>
|
|
<dl>
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>positionUs</code> - The position in microseconds.</dd>
|
|
<dd><code>toKeyframe</code> - If true then for each track discards samples up to the keyframe before or at
|
|
the specified position, rather than any sample before or at that position.</dd>
|
|
</dl>
|
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</li>
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</ul>
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<a id="readDiscontinuity()">
|
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</a>
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<ul class="blockList">
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<li class="blockList">
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<h4>readDiscontinuity</h4>
|
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<pre class="methodSignature">long readDiscontinuity()</pre>
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<div class="block">Attempts to read a discontinuity.
|
|
|
|
<p>After this method has returned a value other than <a href="../C.html#TIME_UNSET"><code>C.TIME_UNSET</code></a>, all <a href="SampleStream.html" title="interface in com.google.android.exoplayer2.source"><code>SampleStream</code></a>s provided by the period are guaranteed to start from a key frame.
|
|
|
|
<p>This method is only called after the period has been prepared and before reading from any
|
|
<a href="SampleStream.html" title="interface in com.google.android.exoplayer2.source"><code>SampleStream</code></a>s provided by the period.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>If a discontinuity was read then the playback position in microseconds after the
|
|
discontinuity. Else <a href="../C.html#TIME_UNSET"><code>C.TIME_UNSET</code></a>.</dd>
|
|
</dl>
|
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</li>
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</ul>
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<a id="seekToUs(long)">
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</a>
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<ul class="blockList">
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<li class="blockList">
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<h4>seekToUs</h4>
|
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<pre class="methodSignature">long seekToUs​(long positionUs)</pre>
|
|
<div class="block">Attempts to seek to the specified position in microseconds.
|
|
|
|
<p>After this method has been called, all <a href="SampleStream.html" title="interface in com.google.android.exoplayer2.source"><code>SampleStream</code></a>s provided by the period are
|
|
guaranteed to start from a key frame.
|
|
|
|
<p>This method is only called when at least one track is selected.</div>
|
|
<dl>
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>positionUs</code> - The seek position in microseconds.</dd>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>The actual position to which the period was seeked, in microseconds.</dd>
|
|
</dl>
|
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</li>
|
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</ul>
|
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<a id="getAdjustedSeekPositionUs(long,com.google.android.exoplayer2.SeekParameters)">
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</a>
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<h4>getAdjustedSeekPositionUs</h4>
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<pre class="methodSignature">long getAdjustedSeekPositionUs​(long positionUs,
|
|
<a href="../SeekParameters.html" title="class in com.google.android.exoplayer2">SeekParameters</a> seekParameters)</pre>
|
|
<div class="block">Returns the position to which a seek will be performed, given the specified seek position and
|
|
<a href="../SeekParameters.html" title="class in com.google.android.exoplayer2"><code>SeekParameters</code></a>.
|
|
|
|
<p>This method is only called after the period has been prepared.</div>
|
|
<dl>
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>positionUs</code> - The seek position in microseconds.</dd>
|
|
<dd><code>seekParameters</code> - Parameters that control how the seek is performed. Implementations may
|
|
apply seek parameters on a best effort basis.</dd>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>The actual position to which a seek will be performed, in microseconds.</dd>
|
|
</dl>
|
|
</li>
|
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</ul>
|
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<a id="getBufferedPositionUs()">
|
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</a>
|
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<ul class="blockList">
|
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<li class="blockList">
|
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<h4>getBufferedPositionUs</h4>
|
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<pre class="methodSignature">long getBufferedPositionUs()</pre>
|
|
<div class="block">Returns an estimate of the position up to which data is buffered for the enabled tracks.
|
|
|
|
<p>This method is only called when at least one track is selected.</div>
|
|
<dl>
|
|
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
|
|
<dd><code><a href="SequenceableLoader.html#getBufferedPositionUs()">getBufferedPositionUs</a></code> in interface <code><a href="SequenceableLoader.html" title="interface in com.google.android.exoplayer2.source">SequenceableLoader</a></code></dd>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>An estimate of the absolute position in microseconds up to which data is buffered, or
|
|
<a href="../C.html#TIME_END_OF_SOURCE"><code>C.TIME_END_OF_SOURCE</code></a> if the track is fully buffered.</dd>
|
|
</dl>
|
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</li>
|
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</ul>
|
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<a id="getNextLoadPositionUs()">
|
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</a>
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<ul class="blockList">
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<li class="blockList">
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<h4>getNextLoadPositionUs</h4>
|
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<pre class="methodSignature">long getNextLoadPositionUs()</pre>
|
|
<div class="block">Returns the next load time, or <a href="../C.html#TIME_END_OF_SOURCE"><code>C.TIME_END_OF_SOURCE</code></a> if loading has finished.
|
|
|
|
<p>This method is only called after the period has been prepared. It may be called when no
|
|
tracks are selected.</div>
|
|
<dl>
|
|
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
|
|
<dd><code><a href="SequenceableLoader.html#getNextLoadPositionUs()">getNextLoadPositionUs</a></code> in interface <code><a href="SequenceableLoader.html" title="interface in com.google.android.exoplayer2.source">SequenceableLoader</a></code></dd>
|
|
</dl>
|
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</li>
|
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</ul>
|
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<a id="continueLoading(long)">
|
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|
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</a>
|
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<ul class="blockList">
|
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<li class="blockList">
|
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<h4>continueLoading</h4>
|
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<pre class="methodSignature">boolean continueLoading​(long positionUs)</pre>
|
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<div class="block">Attempts to continue loading.
|
|
|
|
<p>This method may be called both during and after the period has been prepared.
|
|
|
|
<p>A period may call <a href="SequenceableLoader.Callback.html#onContinueLoadingRequested(T)"><code>SequenceableLoader.Callback.onContinueLoadingRequested(SequenceableLoader)</code></a> on the
|
|
<a href="MediaPeriod.Callback.html" title="interface in com.google.android.exoplayer2.source"><code>MediaPeriod.Callback</code></a> passed to <a href="#prepare(com.google.android.exoplayer2.source.MediaPeriod.Callback,long)"><code>prepare(Callback, long)</code></a> to request that this method be
|
|
called when the period is permitted to continue loading data. A period may do this both during
|
|
and after preparation.</div>
|
|
<dl>
|
|
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
|
|
<dd><code><a href="SequenceableLoader.html#continueLoading(long)">continueLoading</a></code> in interface <code><a href="SequenceableLoader.html" title="interface in com.google.android.exoplayer2.source">SequenceableLoader</a></code></dd>
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>positionUs</code> - The current playback position in microseconds. If playback of this period has
|
|
not yet started, the value will be the starting position in this period minus the duration
|
|
of any media in previous periods still to be played.</dd>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>True if progress was made, meaning that <a href="#getNextLoadPositionUs()"><code>getNextLoadPositionUs()</code></a> will return a
|
|
different value than prior to the call. False otherwise.</dd>
|
|
</dl>
|
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</li>
|
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</ul>
|
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<a id="isLoading()">
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</a>
|
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<ul class="blockList">
|
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<li class="blockList">
|
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<h4>isLoading</h4>
|
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<pre class="methodSignature">boolean isLoading()</pre>
|
|
<div class="block">Returns whether the media period is currently loading.</div>
|
|
<dl>
|
|
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
|
|
<dd><code><a href="SequenceableLoader.html#isLoading()">isLoading</a></code> in interface <code><a href="SequenceableLoader.html" title="interface in com.google.android.exoplayer2.source">SequenceableLoader</a></code></dd>
|
|
</dl>
|
|
</li>
|
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</ul>
|
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<a id="reevaluateBuffer(long)">
|
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|
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</a>
|
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<ul class="blockListLast">
|
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<li class="blockList">
|
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<h4>reevaluateBuffer</h4>
|
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<pre class="methodSignature">void reevaluateBuffer​(long positionUs)</pre>
|
|
<div class="block">Re-evaluates the buffer given the playback position.
|
|
|
|
<p>This method is only called after the period has been prepared.
|
|
|
|
<p>A period may choose to discard buffered media or cancel ongoing loads so that media can be
|
|
re-buffered in a different quality.</div>
|
|
<dl>
|
|
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
|
|
<dd><code><a href="SequenceableLoader.html#reevaluateBuffer(long)">reevaluateBuffer</a></code> in interface <code><a href="SequenceableLoader.html" title="interface in com.google.android.exoplayer2.source">SequenceableLoader</a></code></dd>
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>positionUs</code> - The current playback position in microseconds. If playback of this period has
|
|
not yet started, the value will be the starting position in this period minus the duration
|
|
of any media in previous periods still to be played.</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
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</li>
|
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</ul>
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</section>
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</li>
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</ul>
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