jass.generators
Class StreamingAudioFileBuffer

java.lang.Object
  jass.generators.StreamingAudioFileBuffer

public class StreamingAudioFileBuffer
extends java.lang.Object

A buffer from an audio file or URL, streamed off the source. Assumes 16 bit audio format.

Author:

Kees van den Doel (kvdoel@cs.ubc.ca)

Field Summary

javax.sound.sampled.AudioInputStream	audioInputStream
int	bitsPerSample Bits per sample
int	bufsz Length of buffer as floats, should be numBytes/2.
int	bytesPerFrame Bytes per frame (2 for mono, 4 stereo, etc.)
int	nChannels Number of channels
long	nFrames # frames
int	numBytes bytes
float	srate Sampling rate in Hertz.

Constructor Summary

StreamingAudioFileBuffer(java.lang.String fn)
Construct buffer from named file.

StreamingAudioFileBuffer(java.net.URL url)
Construct buffer from url.

Method Summary

void	close() Close stream
protected void	loadAudio(java.lang.String fn) Open and read audio file properties and prepare for streaming
protected void	loadAudio(java.net.URL url) Open and read audio URL properties and prepare for streaming

Methods inherited from class java.lang.Object

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

Field Detail

srate

public float srate

Sampling rate in Hertz.

bytesPerFrame

public int bytesPerFrame

Bytes per frame (2 for mono, 4 stereo, etc.)

nFrames

public long nFrames

# frames

numBytes

public int numBytes

bytes

bitsPerSample

public int bitsPerSample

Bits per sample

nChannels

public int nChannels

Number of channels

bufsz

public int bufsz

Length of buffer as floats, should be numBytes/2.

audioInputStream

public javax.sound.sampled.AudioInputStream audioInputStream

Constructor Detail

StreamingAudioFileBuffer

public StreamingAudioFileBuffer(java.lang.String fn)
                         throws UnsupportedAudioFileFormatException

Construct buffer from named file.

Parameters:

fn - Audio file name.

Throws:

UnsupportedAudioFileFormatException

StreamingAudioFileBuffer

public StreamingAudioFileBuffer(java.net.URL url)
                         throws UnsupportedAudioFileFormatException

Construct buffer from url.

Parameters:

url - Audiofile url.

Throws:

UnsupportedAudioFileFormatException

Method Detail

close

public void close()

Close stream

loadAudio

protected void loadAudio(java.lang.String fn)
                  throws UnsupportedAudioFileFormatException

Open and read audio file properties and prepare for streaming

Parameters:

fn - Audio file name.

Throws:

UnsupportedAudioFileFormatException

loadAudio

protected void loadAudio(java.net.URL url)
                  throws UnsupportedAudioFileFormatException

Open and read audio URL properties and prepare for streaming

Parameters:

url - Audiofile url.

Throws:

UnsupportedAudioFileFormatException