ExoplayerWrapper

java.lang.Object
- com.google.android.libraries.mediaframework.exoplayerextensions.ExoplayerWrapper

All Implemented Interfaces:

com.google.android.exoplayer.chunk.BaseChunkSampleSourceEventListener, com.google.android.exoplayer.chunk.ChunkSampleSource.EventListener, com.google.android.exoplayer.dash.DashChunkSource.EventListener, com.google.android.exoplayer.drm.StreamingDrmSessionManager.EventListener, com.google.android.exoplayer.ExoPlayer.Listener, com.google.android.exoplayer.hls.HlsSampleSource.EventListener, com.google.android.exoplayer.MediaCodecAudioTrackRenderer.EventListener, com.google.android.exoplayer.MediaCodecTrackRenderer.EventListener, com.google.android.exoplayer.MediaCodecVideoTrackRenderer.EventListener, com.google.android.exoplayer.metadata.MetadataTrackRenderer.MetadataRenderer<java.util.List<com.google.android.exoplayer.metadata.id3.Id3Frame>>, com.google.android.exoplayer.text.TextRenderer, com.google.android.exoplayer.upstream.BandwidthMeter.EventListener
```
public class ExoplayerWrapper
extends java.lang.Object
implements com.google.android.exoplayer.ExoPlayer.Listener, com.google.android.exoplayer.chunk.ChunkSampleSource.EventListener, com.google.android.exoplayer.upstream.BandwidthMeter.EventListener, com.google.android.exoplayer.MediaCodecVideoTrackRenderer.EventListener, com.google.android.exoplayer.MediaCodecAudioTrackRenderer.EventListener, com.google.android.exoplayer.text.TextRenderer, com.google.android.exoplayer.drm.StreamingDrmSessionManager.EventListener, com.google.android.exoplayer.dash.DashChunkSource.EventListener, com.google.android.exoplayer.hls.HlsSampleSource.EventListener, com.google.android.exoplayer.metadata.MetadataTrackRenderer.MetadataRenderer<java.util.List<com.google.android.exoplayer.metadata.id3.Id3Frame>>
```
A wrapper around ExoPlayer that provides a higher level interface. It can be prepared with one of a number of ExoplayerWrapper.RendererBuilder classes to suit different use cases (e.g. DASH, SmoothStreaming and so on).

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static interface`	`ExoplayerWrapper.CaptionListener` A listener for receiving notifications of timed text.
`static interface`	`ExoplayerWrapper.Id3MetadataListener` A listener for receiving ID3 metadata parsed from the media stream.
`static interface`	`ExoplayerWrapper.InfoListener` A listener for debugging information.
`static interface`	`ExoplayerWrapper.InternalErrorListener` A listener for internal errors.
`static interface`	`ExoplayerWrapper.PlaybackListener` A listener for basic playback events.
`static interface`	`ExoplayerWrapper.RendererBuilder` Builds renderers for the player.
`static interface`	`ExoplayerWrapper.TextListener` A listener for receiving notifications of timed text.

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`DISABLED_TRACK` This variable must be an int, not part of an enum because it has significance within the Exoplayer library.
`static int`	`PRIMARY_TRACK` This variable must be an int, not part of an enum because it has significance within the Exoplayer library.
`static int`	`RENDERER_COUNT` Exoplayer renderers are managed in an array (the array representation is used throughout the Exoplayer library).
`static int`	`TRACK_DISABLED`
`static int`	`TYPE_AUDIO` The element at index TYPE_AUDIO is an audio type renderer.
`static int`	`TYPE_DEBUG` The element at index TYPE_DEBUG is a debug type renderer.
`static int`	`TYPE_METADATA`
`static int`	`TYPE_TEXT` The element at index TYPE_TEXT is a text type renderer.
`static int`	`TYPE_TIMED_METADATA` For id3 metadata.
`static int`	`TYPE_VIDEO` The element at index TYPE_VIDEO is a video type renderer.

Constructor Summary

Constructors
Constructor and Description

ExoplayerWrapper(ExoplayerWrapper.RendererBuilder rendererBuilder)

Constructors
Constructor and Description
`ExoplayerWrapper(ExoplayerWrapper.RendererBuilder rendererBuilder)`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`addListener(ExoplayerWrapper.PlaybackListener playbackListener)` Add a listener to respond to size change and error events.
`void`	`blockingClearSurface()` Clear the video surface.
`boolean`	`getBackgrounded()`
`com.google.android.exoplayer.upstream.BandwidthMeter`	`getBandwidthMeter()`
`int`	`getBufferedPercentage()` Returns the number of the milliseconds of the video that has been buffered.
`com.google.android.exoplayer.CodecCounters`	`getCodecCounters()`
`long`	`getCurrentPosition()` Returns the position of the seek head in the number of milliseconds after the start of the video.
`long`	`getDuration()` Returns the duration of the video in milliseconds.
`com.google.android.exoplayer.chunk.Format`	`getFormat()`
`int`	`getPlaybackState()` Returns the state of the Exoplayer instance.
`ObservablePlayerControl`	`getPlayerControl()` Returns the player control which can be used to play, pause, seek, get elapsed time, and get elapsed duration.
`boolean`	`getPlayWhenReady()` Returns true if the video is set to start as soon as it is set up, returns false otherwise.
`int`	`getSelectedTrack(int type)`
`int`	`getStateForTrackType(int type)` Returns whether the track is `PRIMARY_TRACK` or {@link #DISABLED_TRACK).
`android.view.Surface`	`getSurface()` Returns the surface on which the video is rendered.
`java.lang.String[]`	`getTracks(int type)` Returns the name of the track at the given index.
`void`	`onAudioTrackInitializationError(com.google.android.exoplayer.audio.AudioTrack.InitializationException e)`
`void`	`onAudioTrackUnderrun(int bufferSize, long bufferSizeMs, long elapsedSinceLastFeedMs)`
`void`	`onAudioTrackWriteError(com.google.android.exoplayer.audio.AudioTrack.WriteException e)`
`void`	`onAvailableRangeChanged(int sourceId, com.google.android.exoplayer.TimeRange availableRange)`
`void`	`onBandwidthSample(int elapsedMs, long bytes, long bandwidthEstimate)`
`void`	`onCryptoError(android.media.MediaCodec.CryptoException e)`
`void`	`onCues(java.util.List<com.google.android.exoplayer.text.Cue> cues)`
`void`	`onDecoderInitializationError(com.google.android.exoplayer.MediaCodecTrackRenderer.DecoderInitializationException e)`
`void`	`onDecoderInitialized(java.lang.String decoderName, long elapsedRealtimeMs, long initializationDurationMs)`
`void`	`onDownstreamFormatChanged(int sourceId, com.google.android.exoplayer.chunk.Format format, int trigger, long mediaTimeMs)`
`void`	`onDrawnToSurface(android.view.Surface surface)`
`void`	`onDrmKeysLoaded()`
`void`	`onDrmSessionManagerError(java.lang.Exception e)`
`void`	`onDroppedFrames(int count, long elapsed)`
`void`	`onLoadCanceled(int sourceId, long bytesLoaded)`
`void`	`onLoadCompleted(int sourceId, long bytesLoaded, int type, int trigger, com.google.android.exoplayer.chunk.Format format, long mediaStartTimeMs, long mediaEndTimeMs, long elapsedRealtimeMs, long loadDurationMs)`
`void`	`onLoadError(int sourceId, java.io.IOException e)`
`void`	`onLoadStarted(int sourceId, long length, int type, int trigger, com.google.android.exoplayer.chunk.Format format, long mediaStartTimeMs, long mediaEndTimeMs)`
`void`	`onMetadata(java.util.List<com.google.android.exoplayer.metadata.id3.Id3Frame> metadata)`
`void`	`onPlayerError(com.google.android.exoplayer.ExoPlaybackException exception)`
`void`	`onPlayerStateChanged(boolean playWhenReady, int state)`
`void`	`onPlayWhenReadyCommitted()`
`void`	`onRenderers(com.google.android.exoplayer.TrackRenderer[] renderers, com.google.android.exoplayer.upstream.BandwidthMeter bandwidthMeter)` Invoked with the results from a `ExoplayerWrapper.RendererBuilder`.
`void`	`onRenderersError(java.lang.Exception e)` Notify the listeners when an exception is thrown.
`void`	`onUpstreamDiscarded(int sourceId, long mediaStartTimeMs, long mediaEndTimeMs)`
`void`	`onVideoSizeChanged(int width, int height, int unappliedRotationDegrees, float pixelWidthHeightRatio)`
`void`	`prepare()` Build the renderers.
`void`	`release()` When you are finished using this object, make sure to call this method.
`void`	`removeListener(ExoplayerWrapper.PlaybackListener playbackListener)` Remove a listener from notifications about size changes and errors.
`void`	`seekTo(int positionMs)` Move the seek head to the given position.
`void`	`setBackgrounded(boolean backgrounded)`
`void`	`setCaptionListener(ExoplayerWrapper.CaptionListener listener)`
`void`	`setInfoListener(ExoplayerWrapper.InfoListener listener)` Set a listener to respond to media format changes, bandwidth samples, load events, and dropped frames.
`void`	`setInternalErrorListener(ExoplayerWrapper.InternalErrorListener listener)` Set a listener to respond to errors within Exoplayer.
`void`	`setMetadataListener(ExoplayerWrapper.Id3MetadataListener listener)`
`void`	`setPlayWhenReady(boolean playWhenReady)` Set whether the player should begin as soon as it is setup.
`void`	`setSelectedTrack(int type, int index)`
`void`	`setSurface(android.view.Surface surface)`
`void`	`setTextListener(ExoplayerWrapper.TextListener listener)` Set the listener which responds to incoming text (ex subtitles or captions).

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - RENDERER_COUNT
```
public static final int RENDERER_COUNT
```
    Exoplayer renderers are managed in an array (the array representation is used throughout the Exoplayer library).
    There are RENDERER_COUNT elements in the array.
    
    See Also:
    Constant Field Values
  - TYPE_VIDEO
```
public static final int TYPE_VIDEO
```
    The element at index TYPE_VIDEO is a video type renderer.
    
    See Also:
    Constant Field Values
  - TYPE_AUDIO
```
public static final int TYPE_AUDIO
```
    The element at index TYPE_AUDIO is an audio type renderer.
    
    See Also:
    Constant Field Values
  - TYPE_TEXT
```
public static final int TYPE_TEXT
```
    The element at index TYPE_TEXT is a text type renderer.
    
    See Also:
    Constant Field Values
  - TYPE_METADATA
```
public static final int TYPE_METADATA
```
    See Also:
    Constant Field Values
  - TRACK_DISABLED
```
public static final int TRACK_DISABLED
```
    See Also:
    Constant Field Values
  - TYPE_TIMED_METADATA
```
public static final int TYPE_TIMED_METADATA
```
    For id3 metadata.
    
    See Also:
    Constant Field Values
  - TYPE_DEBUG
```
public static final int TYPE_DEBUG
```
    The element at index TYPE_DEBUG is a debug type renderer.
    
    See Also:
    Constant Field Values
  - DISABLED_TRACK
```
public static final int DISABLED_TRACK
```
    This variable must be an int, not part of an enum because it has significance within the Exoplayer library.
    
    See Also:
    Constant Field Values
  - PRIMARY_TRACK
```
public static final int PRIMARY_TRACK
```
    This variable must be an int, not part of an enum because it has significance within the Exoplayer library.
    
    See Also:
    Constant Field Values
- Constructor Detail
  - ExoplayerWrapper
```
public ExoplayerWrapper(ExoplayerWrapper.RendererBuilder rendererBuilder)
```
    Parameters:
    rendererBuilder - Responsible for loading the data from the source, processing it, and providing byte streams. By modifying the renderer builder, we can support different video formats like DASH, MP4, and SmoothStreaming.
- Method Detail
  - getPlayerControl
```
public ObservablePlayerControl getPlayerControl()
```
    Returns the player control which can be used to play, pause, seek, get elapsed time, and get elapsed duration.
  - addListener
```
public void addListener(ExoplayerWrapper.PlaybackListener playbackListener)
```
    Add a listener to respond to size change and error events.
    
    Parameters:
    playbackListener -
  - removeListener
```
public void removeListener(ExoplayerWrapper.PlaybackListener playbackListener)
```
    Remove a listener from notifications about size changes and errors.
    
    Parameters:
    playbackListener -
  - setInternalErrorListener
```
public void setInternalErrorListener(ExoplayerWrapper.InternalErrorListener listener)
```
    Set a listener to respond to errors within Exoplayer.
    
    Parameters:
    listener - The listener which responds to the error events.
  - setInfoListener
```
public void setInfoListener(ExoplayerWrapper.InfoListener listener)
```
    Set a listener to respond to media format changes, bandwidth samples, load events, and dropped frames.
    
    Parameters:
    listener - Listens to media format changes, bandwidth samples, load events, and dropped frames.
  - setCaptionListener
```
public void setCaptionListener(ExoplayerWrapper.CaptionListener listener)
```
  - setTextListener
```
public void setTextListener(ExoplayerWrapper.TextListener listener)
```
    Set the listener which responds to incoming text (ex subtitles or captions).
    
    Parameters:
    listener - The listener which can respond to text like subtitles and captions.
  - setMetadataListener
```
public void setMetadataListener(ExoplayerWrapper.Id3MetadataListener listener)
```
  - setSurface
```
public void setSurface(android.view.Surface surface)
```
  - getSurface
```
public android.view.Surface getSurface()
```
    Returns the surface on which the video is rendered.
  - blockingClearSurface
```
public void blockingClearSurface()
```
    Clear the video surface.
    In order to clear the surface, a message must be sent to the playback thread. To guarantee that this message is delivered, Exoplayer uses a blocking operation. Therefore, this method is blocking.
  - getTracks
```
public java.lang.String[] getTracks(int type)
```
    Returns the name of the track at the given index.
    
    Parameters:
    type - The index indicating the type of video (ex TYPE_VIDEO)
  - getStateForTrackType
```
public int getStateForTrackType(int type)
```
    Returns whether the track is PRIMARY_TRACK or {@link #DISABLED_TRACK).
    
    Parameters:
    type - The index indicating the type of video (ex TYPE_VIDEO).
  - getSelectedTrack
```
public int getSelectedTrack(int type)
```
  - setSelectedTrack
```
public void setSelectedTrack(int type,
                    int index)
```
  - getBackgrounded
```
public boolean getBackgrounded()
```
  - setBackgrounded
```
public void setBackgrounded(boolean backgrounded)
```
  - prepare
```
public void prepare()
```
    Build the renderers.
  - onRenderers
```
public void onRenderers(com.google.android.exoplayer.TrackRenderer[] renderers,
               com.google.android.exoplayer.upstream.BandwidthMeter bandwidthMeter)
```
    Invoked with the results from a ExoplayerWrapper.RendererBuilder.
    
    Parameters:
    renderers - Renderers indexed by ExoplayerWrapper TYPE_* constants. An individual element may be null if there do not exist tracks of the corresponding type.
    bandwidthMeter - Provides an estimate of the currently available bandwidth. May be null.
  - onRenderersError
```
public void onRenderersError(java.lang.Exception e)
```
    Notify the listeners when an exception is thrown.
    
    Parameters:
    e - The exception that has been thrown.
  - setPlayWhenReady
```
public void setPlayWhenReady(boolean playWhenReady)
```
    Set whether the player should begin as soon as it is setup.
    
    Parameters:
    playWhenReady - If true, playback will start as soon as the player is setup. If false, it must be started programmatically.
  - seekTo
```
public void seekTo(int positionMs)
```
    Move the seek head to the given position.
    
    Parameters:
    positionMs - A number of milliseconds after the start of the video.
  - release
```
public void release()
```
    When you are finished using this object, make sure to call this method.
  - getPlaybackState
```
public int getPlaybackState()
```
    Returns the state of the Exoplayer instance.
  - getFormat
```
public com.google.android.exoplayer.chunk.Format getFormat()
```
  - getBandwidthMeter
```
public com.google.android.exoplayer.upstream.BandwidthMeter getBandwidthMeter()
```
  - getCodecCounters
```
public com.google.android.exoplayer.CodecCounters getCodecCounters()
```
  - getCurrentPosition
```
public long getCurrentPosition()
```
    Returns the position of the seek head in the number of milliseconds after the start of the video.
  - getDuration
```
public long getDuration()
```
    Returns the duration of the video in milliseconds.
  - getBufferedPercentage
```
public int getBufferedPercentage()
```
    Returns the number of the milliseconds of the video that has been buffered.
  - getPlayWhenReady
```
public boolean getPlayWhenReady()
```
    Returns true if the video is set to start as soon as it is set up, returns false otherwise.
  - onPlayerStateChanged
```
public void onPlayerStateChanged(boolean playWhenReady,
                        int state)
```
    Specified by:
    
    onPlayerStateChanged in interface com.google.android.exoplayer.ExoPlayer.Listener
  - onPlayerError
```
public void onPlayerError(com.google.android.exoplayer.ExoPlaybackException exception)
```
    Specified by:
    
    onPlayerError in interface com.google.android.exoplayer.ExoPlayer.Listener
  - onVideoSizeChanged
```
public void onVideoSizeChanged(int width,
                      int height,
                      int unappliedRotationDegrees,
                      float pixelWidthHeightRatio)
```
    Specified by:
    
    onVideoSizeChanged in interface com.google.android.exoplayer.MediaCodecVideoTrackRenderer.EventListener
  - onDroppedFrames
```
public void onDroppedFrames(int count,
                   long elapsed)
```
    Specified by:
    
    onDroppedFrames in interface com.google.android.exoplayer.MediaCodecVideoTrackRenderer.EventListener
  - onBandwidthSample
```
public void onBandwidthSample(int elapsedMs,
                     long bytes,
                     long bandwidthEstimate)
```
    Specified by:
    
    onBandwidthSample in interface com.google.android.exoplayer.upstream.BandwidthMeter.EventListener
  - onDownstreamFormatChanged
```
public void onDownstreamFormatChanged(int sourceId,
                             com.google.android.exoplayer.chunk.Format format,
                             int trigger,
                             long mediaTimeMs)
```
    Specified by:
    
    onDownstreamFormatChanged in interface com.google.android.exoplayer.chunk.BaseChunkSampleSourceEventListener
  - onLoadStarted
```
public void onLoadStarted(int sourceId,
                 long length,
                 int type,
                 int trigger,
                 com.google.android.exoplayer.chunk.Format format,
                 long mediaStartTimeMs,
                 long mediaEndTimeMs)
```
    Specified by:
    
    onLoadStarted in interface com.google.android.exoplayer.chunk.BaseChunkSampleSourceEventListener
  - onLoadCompleted
```
public void onLoadCompleted(int sourceId,
                   long bytesLoaded,
                   int type,
                   int trigger,
                   com.google.android.exoplayer.chunk.Format format,
                   long mediaStartTimeMs,
                   long mediaEndTimeMs,
                   long elapsedRealtimeMs,
                   long loadDurationMs)
```
    Specified by:
    
    onLoadCompleted in interface com.google.android.exoplayer.chunk.BaseChunkSampleSourceEventListener
  - onLoadCanceled
```
public void onLoadCanceled(int sourceId,
                  long bytesLoaded)
```
    Specified by:
    
    onLoadCanceled in interface com.google.android.exoplayer.chunk.BaseChunkSampleSourceEventListener
  - onDrmSessionManagerError
```
public void onDrmSessionManagerError(java.lang.Exception e)
```
    Specified by:
    
    onDrmSessionManagerError in interface com.google.android.exoplayer.drm.StreamingDrmSessionManager.EventListener
  - onDecoderInitializationError
```
public void onDecoderInitializationError(com.google.android.exoplayer.MediaCodecTrackRenderer.DecoderInitializationException e)
```
    Specified by:
    
    onDecoderInitializationError in interface com.google.android.exoplayer.MediaCodecTrackRenderer.EventListener
  - onAudioTrackInitializationError
```
public void onAudioTrackInitializationError(com.google.android.exoplayer.audio.AudioTrack.InitializationException e)
```
    Specified by:
    
    onAudioTrackInitializationError in interface com.google.android.exoplayer.MediaCodecAudioTrackRenderer.EventListener
  - onAudioTrackWriteError
```
public void onAudioTrackWriteError(com.google.android.exoplayer.audio.AudioTrack.WriteException e)
```
    Specified by:
    
    onAudioTrackWriteError in interface com.google.android.exoplayer.MediaCodecAudioTrackRenderer.EventListener
  - onAudioTrackUnderrun
```
public void onAudioTrackUnderrun(int bufferSize,
                        long bufferSizeMs,
                        long elapsedSinceLastFeedMs)
```
    Specified by:
    
    onAudioTrackUnderrun in interface com.google.android.exoplayer.MediaCodecAudioTrackRenderer.EventListener
  - onCryptoError
```
public void onCryptoError(android.media.MediaCodec.CryptoException e)
```
    Specified by:
    
    onCryptoError in interface com.google.android.exoplayer.MediaCodecTrackRenderer.EventListener
  - onDrmKeysLoaded
```
public void onDrmKeysLoaded()
```
    Specified by:
    
    onDrmKeysLoaded in interface com.google.android.exoplayer.drm.StreamingDrmSessionManager.EventListener
  - onDecoderInitialized
```
public void onDecoderInitialized(java.lang.String decoderName,
                        long elapsedRealtimeMs,
                        long initializationDurationMs)
```
    Specified by:
    
    onDecoderInitialized in interface com.google.android.exoplayer.MediaCodecTrackRenderer.EventListener
  - onLoadError
```
public void onLoadError(int sourceId,
               java.io.IOException e)
```
    Specified by:
    
    onLoadError in interface com.google.android.exoplayer.chunk.BaseChunkSampleSourceEventListener
  - onCues
```
public void onCues(java.util.List<com.google.android.exoplayer.text.Cue> cues)
```
    Specified by:
    
    onCues in interface com.google.android.exoplayer.text.TextRenderer
  - onMetadata
```
public void onMetadata(java.util.List<com.google.android.exoplayer.metadata.id3.Id3Frame> metadata)
```
    Specified by:
    
    onMetadata in interface com.google.android.exoplayer.metadata.MetadataTrackRenderer.MetadataRenderer<java.util.List<com.google.android.exoplayer.metadata.id3.Id3Frame>>
  - onAvailableRangeChanged
```
public void onAvailableRangeChanged(int sourceId,
                           com.google.android.exoplayer.TimeRange availableRange)
```
    Specified by:
    
    onAvailableRangeChanged in interface com.google.android.exoplayer.dash.DashChunkSource.EventListener
  - onPlayWhenReadyCommitted
```
public void onPlayWhenReadyCommitted()
```
    Specified by:
    
    onPlayWhenReadyCommitted in interface com.google.android.exoplayer.ExoPlayer.Listener
  - onDrawnToSurface
```
public void onDrawnToSurface(android.view.Surface surface)
```
    Specified by:
    
    onDrawnToSurface in interface com.google.android.exoplayer.MediaCodecVideoTrackRenderer.EventListener
  - onUpstreamDiscarded
```
public void onUpstreamDiscarded(int sourceId,
                       long mediaStartTimeMs,
                       long mediaEndTimeMs)
```
    Specified by:
    
    onUpstreamDiscarded in interface com.google.android.exoplayer.chunk.BaseChunkSampleSourceEventListener

Class ExoplayerWrapper

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

RENDERER_COUNT

TYPE_VIDEO

TYPE_AUDIO

TYPE_TEXT

TYPE_METADATA

TRACK_DISABLED

TYPE_TIMED_METADATA

TYPE_DEBUG

DISABLED_TRACK

PRIMARY_TRACK

Constructor Detail

ExoplayerWrapper

Method Detail

getPlayerControl

addListener

removeListener

setInternalErrorListener

setInfoListener

setCaptionListener

setTextListener

setMetadataListener

setSurface

getSurface

blockingClearSurface

getTracks

getStateForTrackType

getSelectedTrack

setSelectedTrack

getBackgrounded

setBackgrounded

prepare

onRenderers

onRenderersError

setPlayWhenReady

seekTo

release

getPlaybackState

getFormat

getBandwidthMeter

getCodecCounters

getCurrentPosition

getDuration

getBufferedPercentage

getPlayWhenReady

onPlayerStateChanged

onPlayerError

onVideoSizeChanged

onDroppedFrames

onBandwidthSample

onDownstreamFormatChanged

onLoadStarted

onLoadCompleted

onLoadCanceled

onDrmSessionManagerError

onDecoderInitializationError

onAudioTrackInitializationError

onAudioTrackWriteError

onAudioTrackUnderrun

onCryptoError

onDrmKeysLoaded

onDecoderInitialized

onLoadError

onCues

onMetadata

onAvailableRangeChanged

onPlayWhenReadyCommitted

onDrawnToSurface

onUpstreamDiscarded