one.radio
Class AudioSink

java.lang.Object
  |
  +--one.world.core.Component
        |
        +--one.radio.AudioSink

All Implemented Interfaces:

Serializable

public final class AudioSink

extends Component

Plays audio in the form of AudioMessages to the system speakers. Audio streams are demultiplexed based on AudioMessage.streamId.

Imported and Exported Event Handlers

Exported event handlers:

audio

Handles AudioMessages by playing the audio data to the system speakers.

control

Handles AudioSink.ControlEvents.

Implementation note: AudioSink does not perform general message reordering, but it will correct inversions (a pair of messages received out of order) and drop late messages.

Version:

$Revision: 1.17 $

See Also:

AudioSource, Serialized Form

Inner Class Summary

static class

AudioSink.ControlEvent The audio sink control event.

Inner classes inherited from class one.world.core.Component

Component.HandlerReference, Component.Importer

Field Summary

static double	BUFFER_DURATION The default buffer duration, in fractions of a second.
static int	DEFAULT_VOLUME The default volume is 50, on a scale of 0-100.

Constructor Summary

AudioSink(Environment env)
Create a new instance of AudioSink.

Method Summary

protected void	finalize() Finalize this audio sink.
ComponentDescriptor	getDescriptor() Get the component descriptor.
protected void	writeObject(ObjectOutputStream out) Serialize this audio sink.

Methods inherited from class one.world.core.Component

declareExported, declareImported, equals, eventHandlers, getDescriptor, getEnvironment, getLinkedHandlers, getLinkedNumber, getTimer, hasEventHandler, hashCode, isFullyLinked, isLinked, isSealed, link, link, run, seal, unbox, undeclare, unlink, wrap

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_VOLUME

public static final int DEFAULT_VOLUME

The default volume is 50, on a scale of 0-100.

BUFFER_DURATION

public static final double BUFFER_DURATION

The default buffer duration, in fractions of a second. This constant controls how much data is buffered before playback starts. The smaller it is, the less delay; the larger it is, the smoother the playback.

Constructor Detail

AudioSink

public AudioSink(Environment env)

Create a new instance of AudioSink.

Parameters:

env - The environment for the new instance.

Method Detail

finalize

protected void finalize()

Finalize this audio sink.

Overrides:

finalize in class Object

getDescriptor

public ComponentDescriptor getDescriptor()

Get the component descriptor.

Overrides:

getDescriptor in class Component

Following copied from class: one.world.core.Component

Returns:

The component descriptor for this component.

writeObject

protected void writeObject(ObjectOutputStream out)
                    throws IOException

Serialize this audio sink.