net.sf.fmj.media
Class AbstractCodec

java.lang.Object
  net.sf.fmj.media.AbstractControls
      net.sf.fmj.media.AbstractPlugIn
          net.sf.fmj.media.AbstractCodec

All Implemented Interfaces:

Codec, Controls, PlugIn

Direct Known Subclasses:

AbstractDePacketizer, AbstractPacketizer, Decoder, Decoder, DePacketizer, Encoder, Encoder, ImageIODecoder, ImageIOEncoder, ImageScaler, JavaSoundCodec, JpegEncoder, RateConverter

public abstract class AbstractCodec
extends AbstractPlugIn
implements Codec

Abstract base class to implement Codec.

Author:

Ken Larson

Field Summary

protected Format	inputFormat
protected Format[]	inputFormats
protected boolean	opened
protected Format	outputFormat

Fields inherited from interface javax.media.PlugIn

BUFFER_PROCESSED_FAILED, BUFFER_PROCESSED_OK, INPUT_BUFFER_NOT_CONSUMED, OUTPUT_BUFFER_NOT_FILLED, PLUGIN_TERMINATED

Constructor Summary

AbstractCodec()

Method Summary

protected boolean	checkInputBuffer(Buffer b)
protected void	dump(java.lang.String label, Buffer buffer)
protected Format	getInputFormat()
protected Format	getOutputFormat()
Format[]	getSupportedInputFormats()
abstract Format[]	getSupportedOutputFormats(Format input)
protected boolean	isEOM(Buffer b)
abstract int	process(Buffer input, Buffer output)
protected void	propagateEOM(Buffer b)
Format	setInputFormat(Format format)
Format	setOutputFormat(Format format)

Methods inherited from class net.sf.fmj.media.AbstractPlugIn

close, getName, open, reset

Methods inherited from class net.sf.fmj.media.AbstractControls

addControl, getControl, getControls, removeControl

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.media.PlugIn

close, getName, open, reset

Methods inherited from interface javax.media.Controls

getControl, getControls

Field Detail

inputFormat

protected Format inputFormat

outputFormat

protected Format outputFormat

opened

protected boolean opened

inputFormats

protected Format[] inputFormats

Constructor Detail

AbstractCodec

public AbstractCodec()

Method Detail

getSupportedInputFormats

public Format[] getSupportedInputFormats()

Specified by:

getSupportedInputFormats in interface Codec

getSupportedOutputFormats

public abstract Format[] getSupportedOutputFormats(Format input)

Specified by:

getSupportedOutputFormats in interface Codec

process

public abstract int process(Buffer input,
                            Buffer output)

Specified by:

process in interface Codec

setInputFormat

public Format setInputFormat(Format format)

Specified by:

setInputFormat in interface Codec

setOutputFormat

public Format setOutputFormat(Format format)

Specified by:

setOutputFormat in interface Codec

getInputFormat

protected Format getInputFormat()

getOutputFormat

protected Format getOutputFormat()

checkInputBuffer

protected boolean checkInputBuffer(Buffer b)

isEOM

protected boolean isEOM(Buffer b)

propagateEOM

protected void propagateEOM(Buffer b)

dump

protected final void dump(java.lang.String label,
                          Buffer buffer)