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:

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:

Oleg Kulikov

See Also:

Serialized Form

Field Summary

protected long	duration
protected PipeImpl	pipe

Constructor Summary

AbstractSource(String name, Scheduler scheduler)
Creates new instance of source with specified name.

Method Summary

protected void	completed() Sends notification that signal is completed.
void	connect(Pipe pipe) (Non Java-doc).
void	disconnect(Pipe pipe) (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).
Processor	getDsp() Gets the digital signalling processor associated with this media source
long	getDuration() (Non Java-doc).
Formats	getFormats() (Non Java-doc.)
<T> T	getInterface(Class<T> interfaceType)
long	getMediaTime() (Non Java-doc).
abstract Formats	getNativeFormats() Gets the list of formats supported by this component without possible transcoding.
long	getPacketsTransmitted() (Non Java-doc).
boolean	isConnected() (Non Java-doc).
boolean	isStarted() (Non Java-doc).
protected void	rebuildFormats() Rebuilds the list of supported formats.
String	report()
void	reset() (Non Java-doc.)
void	setDsp(Processor dsp) Assigns the digital signaling processor of this component.
void	setDuration(long duration) (Non Java-doc).
void	setFormats(Formats formats) (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, inc

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

pipe

protected PipeImpl pipe

Constructor Detail

AbstractSource

public AbstractSource(String name,
                      Scheduler scheduler)

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();

setMediaTime

public void setMediaTime(long timestamp)

(Non Java-doc).

Specified by:

setMediaTime in interface MediaSource

See Also:

MediaSource.setMediaTime(long timestamp);

getDuration

public long getDuration()

(Non Java-doc).

Specified by:

getDuration in interface MediaSource

See Also:

org.mobicents.media.MediaSource#getDuration(long duration);

setDuration

public void setDuration(long duration)

(Non Java-doc).

Specified by:

setDuration in interface MediaSource

See Also:

MediaSource.setDuration(long duration);

setDsp

public void setDsp(Processor dsp)

Assigns the digital signaling processor of this component. The DSP allows to get more output formats.

Specified by:

setDsp in interface MediaSource

Parameters:

dsp - the dsp instance

rebuildFormats

protected void rebuildFormats()

Rebuilds the list of supported formats.

getDsp

public Processor getDsp()

Gets the digital signalling processor associated with this media source

Returns:

DSP instance.

setFormats

public void setFormats(Formats formats)
                throws FormatNotSupportedException

(Non Java-doc.)

Specified by:

setFormats in interface MediaSource

Throws:

FormatNotSupportedException

See Also:

MediaSource.setFormats(org.mobicents.media.server.spi.format.Formats)

getFormats

public Formats getFormats()

(Non Java-doc.)

Specified by:

getFormats in interface MediaSource

See Also:

MediaSource.getFormats()

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().

connect

public void connect(Pipe pipe)

(Non Java-doc).

Specified by:

connect in interface MediaSource

See Also:

MediaSource.connect(org.mobicents.media.server.spi.io.Pipe)

disconnect

public void disconnect(Pipe pipe)

(Non Java-doc).

Specified by:

disconnect in interface MediaSource

See Also:

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

isConnected

public boolean isConnected()

(Non Java-doc).

Specified by:

isConnected in interface MediaSource

See Also:

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.

getNativeFormats

public abstract Formats getNativeFormats()

Gets the list of formats supported by this component without possible transcoding.

Returns:

the list of format descriptors

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()

Description copied from class: BaseComponent

(Non Java-doc.)

Specified by:

reset in interface Component

Overrides:

reset in class BaseComponent

See Also:

org.mobicents.media.Component#reserStats();

report

public String report()

getInterface

public <T> T getInterface(Class<T> interfaceType)

Specified by:

getInterface in interface Component

Overrides:

getInterface in class BaseComponent