inpro.audio
Class LabelledAudioStream

java.lang.Object
  java.io.InputStream
      javax.sound.sampled.AudioInputStream
          inpro.audio.LabelledAudioStream

All Implemented Interfaces:

java.io.Closeable

public class LabelledAudioStream
extends javax.sound.sampled.AudioInputStream

Nested Class Summary

static interface

LabelledAudioStream.Listener interface to implement if you're interested in receiving label events

Field Summary

private float	bytesPerSecond
private long	labelEndPosition
private boolean	labelHasStarted
(package private) java.util.Queue<Label>	labels
private long	labelStartPosition
(package private) java.util.List<LabelledAudioStream.Listener>	listeners
private long	positionInBytes

Fields inherited from class javax.sound.sampled.AudioInputStream

format, frameLength, framePos, frameSize

Constructor Summary

LabelledAudioStream(java.lang.String fileURL)
create a new labelled audio object from the two files fileBasename.wav and fileBasename.lab

LabelledAudioStream(java.lang.String fileURL, java.lang.String labelURL)
create a new labelled audio object from the two files given

Method Summary

void	addListener(LabelledAudioStream.Listener l) add a label Listener to this stream
int	available()
Label	currentLabel() return the current label (or null if their is none at the moment)
private void	labelEnd(Label l) what to do when a label ends
private void	labelStart(Label l) what to do when a label starts
private void	nextLabel() advance to the next label and update bookkeeping
int	read(byte[] data)

Methods inherited from class javax.sound.sampled.AudioInputStream

close, getFormat, getFrameLength, mark, markSupported, read, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

labels

java.util.Queue<Label> labels

positionInBytes

private long positionInBytes

labelStartPosition

private long labelStartPosition

labelEndPosition

private long labelEndPosition

labelHasStarted

private boolean labelHasStarted

bytesPerSecond

private float bytesPerSecond

listeners

java.util.List<LabelledAudioStream.Listener> listeners

Constructor Detail

LabelledAudioStream

public LabelledAudioStream(java.lang.String fileURL)
                    throws java.net.MalformedURLException,
                           javax.sound.sampled.UnsupportedAudioFileException,
                           java.io.IOException

create a new labelled audio object from the two files fileBasename.wav and fileBasename.lab

Throws:

java.net.MalformedURLException

javax.sound.sampled.UnsupportedAudioFileException

java.io.IOException

LabelledAudioStream

public LabelledAudioStream(java.lang.String fileURL,
                           java.lang.String labelURL)
                    throws java.net.MalformedURLException,
                           javax.sound.sampled.UnsupportedAudioFileException,
                           java.io.IOException

create a new labelled audio object from the two files given

Throws:

java.net.MalformedURLException

javax.sound.sampled.UnsupportedAudioFileException

java.io.IOException

Method Detail

available

public int available()
              throws java.io.IOException

Overrides:

available in class javax.sound.sampled.AudioInputStream

Throws:

java.io.IOException

read

public int read(byte[] data)
         throws java.io.IOException

Overrides:

read in class javax.sound.sampled.AudioInputStream

Throws:

java.io.IOException

currentLabel

public Label currentLabel()

return the current label (or null if their is none at the moment)

nextLabel

private void nextLabel()

advance to the next label and update bookkeeping

labelStart

private void labelStart(Label l)

what to do when a label starts

labelEnd

private void labelEnd(Label l)

what to do when a label ends

addListener

public void addListener(LabelledAudioStream.Listener l)

add a label Listener to this stream