Package org.opencastproject.mediapackage

Interface Track

All Superinterfaces:

Cloneable, Comparable<MediaPackageElement>, ManifestContributor, MediaPackageElement

All Known Subinterfaces:

AdaptivePlaylist

All Known Implementing Classes:

TrackImpl

public interface Track
extends MediaPackageElement

This interface describes methods and fields for audio and video tracks as part of a media package.

Nested Class Summary

Nested classes/interfaces inherited from interface org.opencastproject.mediapackage.MediaPackageElement

MediaPackageElement.Type

Field Summary

Fields

Modifier and Type	Field	Description
static final MediaPackageElement.Type	TYPE	Media package element type.

Method Summary

Modifier and Type	Method	Description
String	getDescription()	Returns the track's description with details about framerate, codecs etc.
Long	getDuration()	Returns the track duration in milliseconds or null if the duration is not available.
String	getLogicalName()	Returns logical name of the file which persists in spite of file name changes
Stream[]	getStreams()
boolean	hasAudio()	Returns true if the track features an audio stream.
boolean	hasMaster()
boolean	hasSubtitle()	Returns true if the track features a subtitle stream.
boolean	hasVideo()	Returns true if the track features a video stream.
boolean	isLive()	Returns true if the track is a live track.
Boolean	isMaster()	Returns true if the track is a master playlist (play this over other tracks).
void	setLogicalName(String name)	Sets logical name of the file which persists in spite of file name changes to maintain referential integrity in the case of adaptive playlists
void	setMaster(Boolean master)	Sets master - it is an adaptive playlist

Methods inherited from interface java.lang.Comparable

compareTo

Methods inherited from interface org.opencastproject.mediapackage.ManifestContributor

toManifest

Methods inherited from interface org.opencastproject.mediapackage.MediaPackageElement

addTag, clearReference, clearTags, clone, containsTag, containsTag, generateIdentifier, getChecksum, getElementDescription, getElementType, getFlavor, getIdentifier, getMediaPackage, getMimeType, getReference, getSize, getTags, getURI, referTo, referTo, removeTag, setChecksum, setElementDescription, setFlavor, setIdentifier, setMimeType, setReference, setSize, setTags, setURI, verify

Field Details

TYPE

static final MediaPackageElement.Type TYPE

Media package element type.

Method Details

getStreams

Stream[] getStreams()

Returns:

the streams that make up the track. Tracks consist of at least one stream.

hasAudio

boolean hasAudio()

Returns true if the track features an audio stream.

Returns:

true if the track has an audio stream

hasVideo

boolean hasVideo()

Returns true if the track features a video stream.

Returns:

true if the track has a video stream

hasSubtitle

boolean hasSubtitle()

Returns true if the track features a subtitle stream.

Returns:

true if the track has a subtitle stream

getDuration

Long getDuration()

Returns the track duration in milliseconds or null if the duration is not available.

Returns:

the track duration

getDescription

String getDescription()

Returns the track's description with details about framerate, codecs etc.

Returns:

the track description.

isLive

boolean isLive()

Returns true if the track is a live track.

Returns:

true if live track; false otherwise

isMaster

Boolean isMaster()

Returns true if the track is a master playlist (play this over other tracks).

Returns:

true if it is a master playlist track; false otherwise

hasMaster

boolean hasMaster()

Returns:

true if master playlist value is not null

setMaster

void setMaster(Boolean master)

Sets master - it is an adaptive playlist

Parameters:

master - if true

getLogicalName

String getLogicalName()

Returns logical name of the file which persists in spite of file name changes

Returns:

logical name

setLogicalName

void setLogicalName(String name)

Sets logical name of the file which persists in spite of file name changes to maintain referential integrity in the case of adaptive playlists

Parameters:

name - as relative to manifest