com.tagtraum.pcmsampledsp

Class ResamplerAudioInputStream

java.lang.Object

java.io.InputStream

javax.sound.sampled.AudioInputStream

com.tagtraum.pcmsampledsp.ResamplerAudioInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class ResamplerAudioInputStream
extends AudioInputStream

Resamples an input audio stream on the fly. Note that not all conversion are supported.

Author:

Hendrik Schreiber

Field Summary

Fields inherited from class javax.sound.sampled.AudioInputStream

format, frameLength, framePos, frameSize

Constructor Summary

Constructors

Constructor and Description
ResamplerAudioInputStream(AudioInputStream stream, Rational factor) Constructs an AudioInputStream for the desired sampling rate.

Method Summary

Modifier and Type	Method and Description
int	available()
void	mark(int readlimit)
boolean	markSupported()
int	read(byte[] b, int off, int len)
void	reset()
long	skip(long len)

Methods inherited from class javax.sound.sampled.AudioInputStream

close, getFormat, getFrameLength, read, read

Methods inherited from class java.lang.Object

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

Constructor Detail

ResamplerAudioInputStream

public ResamplerAudioInputStream(AudioInputStream stream,
                                 Rational factor)

Constructs an AudioInputStream for the desired sampling rate.

Parameters:

stream - stream to read from

factor - re-sampling factor (numerator=upFactor, denominator=downFactor)

Throws:

IllegalArgumentException - if a filter for the factor max(upFactor,downFactor) is not supported or the format is not supported

Method Detail

read

public int read(byte[] b,
                int off,
                int len)
         throws IOException

Overrides:

read in class AudioInputStream

Throws:

IOException

available

public int available()
              throws IOException

Overrides:

available in class AudioInputStream

Throws:

IOException

mark

public void mark(int readlimit)

Overrides:

mark in class AudioInputStream

markSupported

public boolean markSupported()

Overrides:

markSupported in class AudioInputStream

reset

public void reset()
           throws IOException

Overrides:

reset in class AudioInputStream

Throws:

IOException

skip

public long skip(long len)
          throws IOException

Overrides:

skip in class AudioInputStream

Throws:

IOException