javax.media.protocol

Interface Positionable

public interface Positionable

A DataSource implements the Positionable interface if it supports changing the media position within the stream.

Version:

1.8, 98/03/28.

See Also:

Datasource

Field Summary

Fields

Modifier and Type	Field and Description
static int	RoundDown
static int	RoundNearest
static int	RoundUp

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isRandomAccess() Find out if this source can be repositioned to any point in the stream.
Time	setPosition(Time where, int rounding) Set the position to the specified time.

Field Detail

RoundUp

static final int RoundUp

See Also:

Constant Field Values

RoundDown

static final int RoundDown

See Also:

Constant Field Values

RoundNearest

static final int RoundNearest

See Also:

Constant Field Values

Method Detail

setPosition

Time setPosition(Time where,
               int rounding)

Set the position to the specified time. Returns the rounded position that was actually set.

Parameters:

time - The new position in the stream.

round - The rounding technique to be used: RoundUp, RoundDown, RoundNearest.

Returns:

The actual position set.

isRandomAccess

boolean isRandomAccess()

Find out if this source can be repositioned to any point in the stream. If not, the source can only be repositioned to the beginning of the stream.

Returns:

Returns true if the source is random access; false if the source can only be reset to the beginning of the stream.