com.google.android.exoplayer2.source

Class TrackGroup

java.lang.Object

com.google.android.exoplayer2.source.TrackGroup

All Implemented Interfaces:

android.os.Parcelable

public final class TrackGroup
extends java.lang.Object
implements android.os.Parcelable

Defines a group of tracks exposed by a MediaPeriod.

A MediaPeriod is only able to provide one SampleStream corresponding to a group at any given time, however this SampleStream may adapt between multiple tracks within the group.

Nested Class Summary

Nested classes/interfaces inherited from interface android.os.Parcelable

android.os.Parcelable.ClassLoaderCreator<T>, android.os.Parcelable.Creator<T>

Field Summary

Fields

Modifier and Type	Field and Description
static android.os.Parcelable.Creator<TrackGroup>	CREATOR
int	length The number of tracks in the group.

Fields inherited from interface android.os.Parcelable

CONTENTS_FILE_DESCRIPTOR, PARCELABLE_WRITE_RETURN_VALUE

Constructor Summary

Constructors

Constructor and Description
TrackGroup(Format... formats)

Method Summary

Modifier and Type	Method and Description
int	describeContents()
boolean	equals(java.lang.Object obj)
Format	getFormat(int index) Returns the format of the track at a given index.
int	hashCode()
int	indexOf(Format format) Returns the index of the track with the given format in the group.
void	writeToParcel(android.os.Parcel dest, int flags)

Methods inherited from class java.lang.Object

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

Field Detail

length

public final int length

The number of tracks in the group.

CREATOR

public static final android.os.Parcelable.Creator<TrackGroup> CREATOR

Constructor Detail

TrackGroup

public TrackGroup(Format... formats)

Parameters:

formats - The track formats. Must not be null, contain null elements or be of length 0.

Method Detail

getFormat

public Format getFormat(int index)

Returns the format of the track at a given index.

Parameters:

index - The index of the track.

Returns:

The track's format.

indexOf

public int indexOf(Format format)

Returns the index of the track with the given format in the group. The format is located by identity so, for example, group.indexOf(group.getFormat(index)) == index even if multiple tracks have formats that contain the same values.

Parameters:

format - The format.

Returns:

The index of the track, or C.INDEX_UNSET if no such track exists.

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(@Nullable
                      java.lang.Object obj)

Overrides:

equals in class java.lang.Object

describeContents

public int describeContents()

Specified by:

describeContents in interface android.os.Parcelable

writeToParcel

public void writeToParcel(android.os.Parcel dest,
                          int flags)

Specified by:

writeToParcel in interface android.os.Parcelable