net.sf.fmj.filtergraph
Class FilterGraphNode

java.lang.Object
  net.sf.fmj.filtergraph.FilterGraphNode

Direct Known Subclasses:

CodecNode, DemuxNode, MuxNode, RendererNode

public abstract class FilterGraphNode
extends java.lang.Object

Base class for all filter graph nodes.

Author:

Ken Larson

Field Summary

protected static java.util.logging.Logger

logger

Constructor Summary

FilterGraphNode(PlugIn plugIn)

Method Summary

void	addDestLink(FilterGraphLink n)
abstract FilterGraphNode	duplicate()
FilterGraphLink	getDestLink(int i)
abstract Format	getInputFormat()
int	getNumDestLinks()
Buffer	getOutputBuffer(int i)
PlugIn	getPlugIn()
abstract void	open()
void	print(java.util.logging.Logger logger, java.lang.String prefix)
abstract int	process(Buffer input, int sourceTrackNumber, int destTrackNumber, int flags) sourceTrackNumber only used for demux, and destTrackNumber only used for mux.
protected FilterGraphNode	propagateDuplicate(FilterGraphNode result) Intended to be called by subclass implementations of duplicate, to duplicate the destinations.
void	setOutputBuffer(int i, Buffer b)
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static final java.util.logging.Logger logger

Constructor Detail

FilterGraphNode

public FilterGraphNode(PlugIn plugIn)

Method Detail

getNumDestLinks

public int getNumDestLinks()

getDestLink

public FilterGraphLink getDestLink(int i)

getOutputBuffer

public Buffer getOutputBuffer(int i)

setOutputBuffer

public void setOutputBuffer(int i,
                            Buffer b)

addDestLink

public void addDestLink(FilterGraphLink n)

duplicate

public abstract FilterGraphNode duplicate()

open

public abstract void open()
                   throws ResourceUnavailableException

Throws:

ResourceUnavailableException

process

public abstract int process(Buffer input,
                            int sourceTrackNumber,
                            int destTrackNumber,
                            int flags)

sourceTrackNumber only used for demux, and destTrackNumber only used for mux.

propagateDuplicate

protected FilterGraphNode propagateDuplicate(FilterGraphNode result)

Intended to be called by subclass implementations of duplicate, to duplicate the destinations.

Parameters:

result - FilterGraphNode that is to be returned by duplicate();

print

public void print(java.util.logging.Logger logger,
                  java.lang.String prefix)

getInputFormat

public abstract Format getInputFormat()

getPlugIn

public PlugIn getPlugIn()

start

public void start()
           throws java.io.IOException

Throws:

java.io.IOException

stop

public void stop()