javax.media
Interface Duration

All Known Subinterfaces:

Controller, Player, ServiceMediaHandler

All Known Implementing Classes:

DataSource, DripFeedDataSource, PullDataSource, PushDataSource, URLDataSource

public interface Duration

The Duration interface provides a way to determine the duration of the media being played by a media object. Media objects that expose a media duration implement this interface.

A Controller that supports the Duration interface posts a DurationUpdateEvent whenever its duration changes.

Version:

1.16, 97/08/23

See Also:

Controller, DurationUpdateEvent

Field Summary

static Time	DURATION_UNBOUNDED Returned by getDuration.
static Time	DURATION_UNKNOWN Returned by getDuration.

Method Summary

Time	getDuration() Get the duration of the media represented by this object.

Field Detail

DURATION_UNBOUNDED

static final Time DURATION_UNBOUNDED

Returned by getDuration.

DURATION_UNKNOWN

static final Time DURATION_UNKNOWN

Returned by getDuration.

Method Detail

getDuration

Time getDuration()

Get the duration of the media represented by this object. The value returned is the media's duration when played at the default rate. If the duration can't be determined (for example, the media object is presenting live video) getDuration returns DURATION_UNKNOWN.

Returns:

A Time object representing the duration or DURATION_UNKNOWN.