MediaTrack

public final class MediaTrack extends Object
implements Parcelable Parcelable

A class that represents a media track, such as a language track or closed caption text track in a video.

Nested Class Summary

class MediaTrack.Builder A builder for MediaTrack objects.

Constant Summary

String	ROLE_ALTERNATE	Constant value for the "alternate" role.
String	ROLE_CAPTION	Constant value for the "caption" role.
String	ROLE_COMMENTARY	Constant value for the "commentary" role.
String	ROLE_DESCRIPTION	Constant value for the "description" role.
String	ROLE_DUB	Constant value for the "dub" role.
String	ROLE_EMERGENCY	Constant value for the "emergency" role.
String	ROLE_FORCED_SUBTITLE	Constant value for the "forced subtitle" role.
String	ROLE_MAIN	Constant value for the "main" role.
String	ROLE_SIGN	Constant value for the "sign" role.
String	ROLE_SUBTITLE	Constant value for the "subtitle" role.
String	ROLE_SUPPLEMENTARY	Constant value for the "supplementary" role.
int	SUBTYPE_CAPTIONS	A media track subtype indicating closed captions.
int	SUBTYPE_CHAPTERS	A media track subtype indicating chapters.
int	SUBTYPE_DESCRIPTIONS	A media track subtype indicating descriptions.
int	SUBTYPE_METADATA	A media track subtype indicating metadata.
int	SUBTYPE_NONE	A media track subtype indicating no subtype.
int	SUBTYPE_SUBTITLES	A media track subtype indicating subtitles.
int	SUBTYPE_UNKNOWN	A media track subtype indicating an unknown subtype.
int	TYPE_AUDIO	A media track type indicating an audio track.
int	TYPE_TEXT	A media track type indicating a text track.
int	TYPE_UNKNOWN	A media track type indicating an unknown track type.
int	TYPE_VIDEO	A media track type indicating a video track.

Inherited Constant Summary

From interface android.os.Parcelable

int	CONTENTS_FILE_DESCRIPTOR
int	PARCELABLE_WRITE_RETURN_VALUE

Public Method Summary

boolean	equals(Object other)
String	getContentId() Returns the content ID of the media track.
String	getContentType() Returns the content type (MIME type) of the media track, or `null` if none was specified.
JSONObject	getCustomData() Returns the custom data object for this media track, or `null` if none was specified.
long	getId() Returns the unique ID of the media track.
String	getLanguage() Returns the language of this media track in `RFC-5464` format, or `null` if none was specified.
Locale	getLanguageLocale() Returns the `Locale` representing the track language defined by the language field.
String	getName() Returns the name of the media track, or `null` if none was specified.
List<String>	getRoles() Returns the roles of this media track.
int	getSubtype() Returns the subtype of this media track; one of the `SUBTYPE_` constants.
int	getType() Returns the type of the track; one of the `TYPE_` constants.
int	hashCode()
void	setContentId(String contentId) Sets the content ID for the media track.
void	setContentType(String contentType) Sets the content type (MIME type) of the media track.
void	writeToParcel(Parcel out, int flags)

Inherited Method Summary

From class java.lang.Object

Object	clone()
boolean	equals(Object arg0)
void	finalize()
final Class<?>	getClass()
int	hashCode()
final void	notify()
final void	notifyAll()
String	toString()
final void	wait(long arg0, int arg1)
final void	wait(long arg0)
final void	wait()

From interface android.os.Parcelable

abstract int	describeContents()
abstract void	writeToParcel(Parcel arg0, int arg1)

Constants

public static final String ROLE_ALTERNATE

Constant value for the "alternate" role.

Constant Value: "alternate"

public static final String ROLE_CAPTION

Constant value for the "caption" role.

Constant Value: "caption"

public static final String ROLE_COMMENTARY

Constant value for the "commentary" role.

Constant Value: "commentary"

public static final String ROLE_DESCRIPTION

Constant value for the "description" role.

Constant Value: "description"

public static final String ROLE_DUB

Constant value for the "dub" role.

Constant Value: "dub"

public static final String ROLE_EMERGENCY

Constant value for the "emergency" role.

Constant Value: "emergency"

public static final String ROLE_FORCED_SUBTITLE

Constant value for the "forced subtitle" role.

Constant Value: "forced_subtitle"

public static final String ROLE_MAIN

Constant value for the "main" role.

Constant Value: "main"

public static final String ROLE_SIGN

Constant value for the "sign" role.

Constant Value: "sign"

public static final String ROLE_SUBTITLE

Constant value for the "subtitle" role.

Constant Value: "subtitle"

public static final String ROLE_SUPPLEMENTARY

Constant value for the "supplementary" role.

Constant Value: "supplementary"

public static final int SUBTYPE_CAPTIONS

A media track subtype indicating closed captions.

Constant Value: 2

public static final int SUBTYPE_CHAPTERS

A media track subtype indicating chapters.

Constant Value: 4

public static final int SUBTYPE_DESCRIPTIONS

A media track subtype indicating descriptions.

Constant Value: 3

public static final int SUBTYPE_METADATA

A media track subtype indicating metadata.

Constant Value: 5

public static final int SUBTYPE_NONE

A media track subtype indicating no subtype.

Constant Value: 0

public static final int SUBTYPE_SUBTITLES

A media track subtype indicating subtitles.

Constant Value: 1

public static final int SUBTYPE_UNKNOWN

A media track subtype indicating an unknown subtype.

Constant Value: -1

public static final int TYPE_AUDIO

A media track type indicating an audio track.

Constant Value: 2

public static final int TYPE_TEXT

A media track type indicating a text track.

Constant Value: 1

public static final int TYPE_UNKNOWN

A media track type indicating an unknown track type.

Constant Value: 0

public static final int TYPE_VIDEO

A media track type indicating a video track.

Constant Value: 3

Public Methods

public boolean equals (Object other)

public String getContentId ()

Returns the content ID of the media track.

public String getContentType ()

Returns the content type (MIME type) of the media track, or null if none was specified.

public JSONObject getCustomData ()

Returns the custom data object for this media track, or null if none was specified.

public long getId ()

Returns the unique ID of the media track.

public String getLanguage ()

Returns the language of this media track in RFC-5464 format, or null if none was specified.

public Locale getLanguageLocale ()

Returns the Locale representing the track language defined by the language field.

public String getName ()

Returns the name of the media track, or null if none was specified.

public List<String> getRoles ()

Returns the roles of this media track. This can be a List of ROLE_ constants, or null if not specified. The values explanations are described in ISO/IEC 23009-1, labeled "DASH role scheme":

The following values are available depending on the type of this track:

TYPE_VIDEO:
- ROLE_CAPTION
- ROLE_SUBTITLE
- ROLE_MAIN
- ROLE_ALTERNATE
- ROLE_SUPPLEMENTARY
- ROLE_SIGN
- ROLE_EMERGENCY
TYPE_AUDIO:
- ROLE_MAIN
- ROLE_ALTERNATE
- ROLE_SUPPLEMENTARY
- ROLE_COMMENTARY
- ROLE_DUB
- ROLE_EMERGENCY
TYPE_TEXT:
- ROLE_MAIN
- ROLE_ALTERNATE
- ROLE_SUBTITLE
- ROLE_SUPPLEMENTARY
- ROLE_COMMENTARY
- ROLE_DUB
- ROLE_DESCRIPTION
- ROLE_FORCED_SUBTITLE

public int getSubtype ()

Returns the subtype of this media track; one of the SUBTYPE_ constants.

public int getType ()

Returns the type of the track; one of the TYPE_ constants.

public int hashCode ()

public void setContentId (String contentId)

Sets the content ID for the media track.

public void setContentType (String contentType)

Sets the content type (MIME type) of the media track.

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