org.mobicents.media.server.impl

Class AbstractSource

java.lang.Object

org.mobicents.media.server.impl.BaseComponent

org.mobicents.media.server.impl.AbstractSource

All Implemented Interfaces:

Serializable, Component, MediaSource

Direct Known Subclasses:

AudioOutput, OOBOutput, Sine

public abstract class AbstractSource
extends BaseComponent
implements MediaSource

The base implementation of the Media source. AbstractSource and AbstractSink are implement general wirring contruct. All media components have to extend one of these classes.

Author:

Oifa Yulian

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected long	duration
protected AbstractSink	mediaSink

Constructor Summary

Constructors

Constructor and Description
AbstractSource(String name, PriorityQueueScheduler scheduler, int queueNumber) Creates new instance of source with specified name.

Method Summary

Methods

Modifier and Type	Method and Description
void	activate()
protected void	completed() Sends notification that signal is completed.
protected void	connect(AbstractSink sink) (Non Java-doc).
void	deactivate()
protected void	disconnect() (Non Java-doc).
abstract Frame	evolve(long timestamp) This method must be overriden by concrete media source.
protected void	failed(Exception e) Sends failure notification.
long	getBytesTransmitted() (Non Java-doc).
long	getDuration() (Non Java-doc).
long	getMediaTime() (Non Java-doc).
long	getPacketsTransmitted() (Non Java-doc).
boolean	isConnected() (Non Java-doc).
boolean	isStarted() (Non Java-doc).
String	report()
void	reset()
void	setDuration(long duration) (Non Java-doc).
void	setInitialDelay(long initialDelay) (Non Java-doc.)
void	setMediaTime(long timestamp) (Non Java-doc).
void	start() (Non Java-doc).
protected void	started() Sends notification that media processing has been started.
void	stop() (Non Java-doc).
protected void	stopped() Called when source is stopped by request
void	wakeup() Restores synchronization

Methods inherited from class org.mobicents.media.server.impl.BaseComponent

getId, getName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.mobicents.media.Component

getId, getName

Field Detail

duration

protected long duration

mediaSink

protected AbstractSink mediaSink

Constructor Detail

AbstractSource

public AbstractSource(String name,
              PriorityQueueScheduler scheduler,
              int queueNumber)

Creates new instance of source with specified name.

Parameters:

name - the name of the source to be created.

Method Detail

setInitialDelay

public void setInitialDelay(long initialDelay)

(Non Java-doc.)

Specified by:

setInitialDelay in interface MediaSource

See Also:

setInitialDelay(long)

getMediaTime

public long getMediaTime()

(Non Java-doc).

Specified by:

getMediaTime in interface MediaSource

See Also:

MediaSource.getMediaTime();

setDuration

public void setDuration(long duration)

(Non Java-doc).

Specified by:

setDuration in interface MediaSource

See Also:

MediaSource.setDuration(long duration);

getDuration

public long getDuration()

(Non Java-doc).

Specified by:

getDuration in interface MediaSource

See Also:

MediaSource.getDuration();

setMediaTime

public void setMediaTime(long timestamp)

(Non Java-doc).

Specified by:

setMediaTime in interface MediaSource

See Also:

MediaSource.setMediaTime(long timestamp);

start

public void start()

(Non Java-doc).

Specified by:

start in interface MediaSource

See Also:

MediaSource.start().

wakeup

public void wakeup()

Restores synchronization

stop

public void stop()

(Non Java-doc).

Specified by:

stop in interface MediaSource

See Also:

MediaSource.stop().

activate

public void activate()

Specified by:

activate in interface Component

deactivate

public void deactivate()

Specified by:

deactivate in interface Component

connect

protected void connect(AbstractSink sink)

(Non Java-doc).

See Also:

org.mobicents.media.MediaSource#connect(org.mobicents.media.MediaSink)

disconnect

protected void disconnect()

(Non Java-doc).

See Also:

org.mobicents.media.MediaSource#disconnect(org.mobicents.media.server.spi.io.Pipe)

isConnected

public boolean isConnected()

(Non Java-doc).

Specified by:

isConnected in interface MediaSource

See Also:

org.mobicents.media.MediaSink#isConnected().

isStarted

public boolean isStarted()

(Non Java-doc).

Specified by:

isStarted in interface MediaSource

See Also:

MediaSource.isStarted().

evolve

public abstract Frame evolve(long timestamp)

This method must be overriden by concrete media source. T he media have to fill buffer with media data and attributes.

Parameters:

buffer - the buffer object for media.

sequenceNumber - the number of timer ticks from the begining.

started

protected void started()

Sends notification that media processing has been started.

failed

protected void failed(Exception e)

Sends failure notification.

Parameters:

e - the exception caused failure.

completed

protected void completed()

Sends notification that signal is completed.

stopped

protected void stopped()

Called when source is stopped by request

getPacketsTransmitted

public long getPacketsTransmitted()

(Non Java-doc).

Specified by:

getPacketsTransmitted in interface MediaSource

See Also:

org.mobicents.media.MediaSource#getPacketsReceived()

getBytesTransmitted

public long getBytesTransmitted()

(Non Java-doc).

Specified by:

getBytesTransmitted in interface MediaSource

See Also:

MediaSource.getBytesTransmitted()

reset

public void reset()

Specified by:

reset in interface Component

report

public String report()