com.brightcove.player.render

Class TrackSelectorHelper

java.lang.Object

com.brightcove.player.render.TrackSelectorHelper

public class TrackSelectorHelper
extends java.lang.Object

Helper class to do several operations with the MappingTrackSelector selector.

Constructor Summary

Constructors

Constructor and Description
TrackSelectorHelper(com.google.android.exoplayer2.ExoPlayer player, com.google.android.exoplayer2.trackselection.DefaultTrackSelector trackSelector) Instantiates a new Track selector helper.

Method Summary

Modifier and Type	Method and Description
void	applySelectionOverride(int renderType, SelectionOverrideCreator selectionOverrideCreator) Creates a DefaultTrackSelector.SelectionOverride with the SelectionOverrideCreator and the render type.
void	disableTrack(int trackType) Disables the Renderer track.
void	enableTrack(int trackType) Enables the Renderer track.
java.util.List<com.google.android.exoplayer2.Format>	findOfflineFormatList(android.content.Context context, java.util.List<com.google.android.exoplayer2.Format> formatList) Filter the Format list parameter returning only those stored in the device.
java.util.Map<java.lang.Integer,java.lang.String>	getAudioTracksIndexMap(android.content.Context context, DeliveryType deliveryType, boolean offline) Creates a map from the Renderer of type ExoPlayerVideoDisplayComponent.TYPE_AUDIO with the track index and the language code.
java.util.List<com.google.android.exoplayer2.Format>	getAvailableFormatList(int trackType) Gets the available Format list by type.
int	getRendererIndex(int renderType) Gets the renderer index.
java.lang.String	getSelectedAudioLanguage() Gets the selected audio language if any.
void	selectAudio(java.lang.String language) Selects the audio language in the MappingTrackSelector if available.
void	selectCaption(BrightcoveCaptionFormat captions) Selects the Brightcove caption in the @MappingTrackSelector if available.
void	updateTracksSelectionArray(com.google.android.exoplayer2.trackselection.TrackSelectionArray trackSelections) Updates the Track Selection array.

Methods inherited from class java.lang.Object

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

Constructor Detail

TrackSelectorHelper

public TrackSelectorHelper(@NonNull
                           com.google.android.exoplayer2.ExoPlayer player,
                           @NonNull
                           com.google.android.exoplayer2.trackselection.DefaultTrackSelector trackSelector)

Instantiates a new Track selector helper.

Parameters:

player - the player

trackSelector - the track selector

Method Detail

getAvailableFormatList

@NonNull
public java.util.List<com.google.android.exoplayer2.Format> getAvailableFormatList(int trackType)

Gets the available Format list by type.

Parameters:

trackType - the track type

Returns:

the available format list

selectCaption

public void selectCaption(@NonNull
                          BrightcoveCaptionFormat captions)

Selects the Brightcove caption in the @MappingTrackSelector if available.

Parameters:

captions - the captions

selectAudio

public void selectAudio(@NonNull
                        java.lang.String language)

Selects the audio language in the MappingTrackSelector if available.

Parameters:

language - the language

applySelectionOverride

public void applySelectionOverride(int renderType,
                                   @NonNull
                                   SelectionOverrideCreator selectionOverrideCreator)

Creates a DefaultTrackSelector.SelectionOverride with the SelectionOverrideCreator and the render type. Such Selection Override will be set to the TrackSelector.

If SelectionOverrideCreator returns SelectionOverrideCreator.EMPTY_SELECTION_OVERRIDE, the Selection Override will be ignored.

Parameters:

renderType - the ExoPlayerVideoDisplayComponent.TrackType

selectionOverrideCreator - the selection override creator

getSelectedAudioLanguage

public java.lang.String getSelectedAudioLanguage()

Gets the selected audio language if any.

Returns:

the selected audio language

updateTracksSelectionArray

public void updateTracksSelectionArray(@Nullable
                                       com.google.android.exoplayer2.trackselection.TrackSelectionArray trackSelections)

Updates the Track Selection array.

Parameters:

trackSelections - the track selection array

enableTrack

public void enableTrack(int trackType)

Enables the Renderer track.

Parameters:

trackType - the track type

disableTrack

public void disableTrack(int trackType)

Disables the Renderer track.

Parameters:

trackType - the track type

getAudioTracksIndexMap

@NonNull
public java.util.Map<java.lang.Integer,java.lang.String> getAudioTracksIndexMap(android.content.Context context,
                                                                                         DeliveryType deliveryType,
                                                                                         boolean offline)

Creates a map from the Renderer of type ExoPlayerVideoDisplayComponent.TYPE_AUDIO with the track index and the language code.

Parameters:

deliveryType - the delivery type

Returns:

the audio tracks index map

getRendererIndex

public int getRendererIndex(int renderType)

Gets the renderer index.

Parameters:

renderType - the render type

Returns:

the renderer index

findOfflineFormatList

@NonNull
public java.util.List<com.google.android.exoplayer2.Format> findOfflineFormatList(@NonNull
                                                                                           android.content.Context context,
                                                                                           @NonNull
                                                                                           java.util.List<com.google.android.exoplayer2.Format> formatList)

Filter the Format list parameter returning only those stored in the device.

Parameters:

context - reference to the host application context.

formatList - the format list

Returns:

the list of Offline Formats