com.google.android.exoplayer2.trackselection

Class TrackSelector

java.lang.Object

com.google.android.exoplayer2.trackselection.TrackSelector

Direct Known Subclasses:

MappingTrackSelector

public abstract class TrackSelector
extends java.lang.Object

Selects tracks to be consumed by available renderers.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	TrackSelector.InvalidationListener Notified when previous selections by a TrackSelector are no longer valid.

Constructor Summary

Constructors

Constructor and Description
TrackSelector()

Method Summary

Modifier and Type	Method and Description
void	init(TrackSelector.InvalidationListener listener) Initializes the selector.
protected void	invalidate() Invalidates all previously generated track selections.
abstract void	onSelectionActivated(java.lang.Object info) Called when a TrackSelectorResult previously generated by selectTracks(RendererCapabilities[], TrackGroupArray) is activated.
abstract TrackSelectorResult	selectTracks(RendererCapabilities[] rendererCapabilities, TrackGroupArray trackGroups) Performs a track selection for renderers.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TrackSelector

public TrackSelector()

Method Detail

init

public final void init(TrackSelector.InvalidationListener listener)

Initializes the selector.

Parameters:

listener - A listener for the selector.

selectTracks

public abstract TrackSelectorResult selectTracks(RendererCapabilities[] rendererCapabilities,
                                                 TrackGroupArray trackGroups)
                                          throws ExoPlaybackException

Performs a track selection for renderers.

Parameters:

rendererCapabilities - The RendererCapabilities of the renderers for which tracks are to be selected.

trackGroups - The available track groups.

Returns:

A TrackSelectorResult describing the track selections.

Throws:

ExoPlaybackException - If an error occurs selecting tracks.

onSelectionActivated

public abstract void onSelectionActivated(java.lang.Object info)

Called when a TrackSelectorResult previously generated by selectTracks(RendererCapabilities[], TrackGroupArray) is activated.

Parameters:

info - The value of TrackSelectorResult.info in the activated result.

invalidate

protected final void invalidate()

Invalidates all previously generated track selections.