Package ipsk.audio.dsp

Class BufferedFloatRandomAccessStream

java.lang.Object

ipsk.audio.dsp.FloatRandomAccessStream

ipsk.audio.dsp.BufferedFloatRandomAccessStream

public class BufferedFloatRandomAccessStream
extends FloatRandomAccessStream

A random accessible audio stream in normalized float values.

Author:

K.Jaensch, klausj@phonetik.uni-muenchen.de

Field Summary

Fields inherited from class ipsk.audio.dsp.FloatRandomAccessStream

audioFormat, audioSource, buffer, bufferProcessor, frameSize, raas

Constructor Summary

Constructors

Constructor	Description
BufferedFloatRandomAccessStream(AudioSource audioSource)	Returns a float value audio stream.
BufferedFloatRandomAccessStream(AudioSource audioSource, int maxCacheSize)	Returns a float value audio stream.

Method Summary

Modifier and Type	Method	Description
void	close()
int	getChannels()
long	getFrameLength()
int	readFrames(double[][] normBuf, int frameOffset, int frames)
void	setFramePosition(long newPos)
long	skipFrames(long framesToSkip)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

BufferedFloatRandomAccessStream

public BufferedFloatRandomAccessStream(AudioSource audioSource)
                                throws AudioFormatNotSupportedException,
                                       AudioSourceException

Returns a float value audio stream. The float values a normalized to the scale -1 from to +1.

Throws:

AudioFormatNotSupportedException

AudioSourceException

BufferedFloatRandomAccessStream

public BufferedFloatRandomAccessStream(AudioSource audioSource,
                                       int maxCacheSize)
                                throws AudioFormatNotSupportedException,
                                       AudioSourceException

Returns a float value audio stream. The float values a normalized to the scale -1 from to +1.

Parameters:

audioSource - audio source

maxCacheSize - maximum cache size in bytes

Throws:

AudioFormatNotSupportedException

AudioSourceException

Method Detail

close

public void close()
           throws AudioSourceException

Overrides:

close in class FloatRandomAccessStream

Throws:

AudioSourceException

readFrames

public int readFrames(double[][] normBuf,
                      int frameOffset,
                      int frames)
               throws AudioSourceException

Overrides:

readFrames in class FloatRandomAccessStream

Throws:

AudioSourceException

setFramePosition

public void setFramePosition(long newPos)
                      throws AudioSourceException

Overrides:

setFramePosition in class FloatRandomAccessStream

Throws:

AudioSourceException

skipFrames

public long skipFrames(long framesToSkip)
                throws AudioSourceException

Overrides:

skipFrames in class FloatRandomAccessStream

Throws:

AudioSourceException

toString

public java.lang.String toString()

Overrides:

toString in class FloatRandomAccessStream

getFrameLength

public long getFrameLength()
                    throws AudioSourceException

Overrides:

getFrameLength in class FloatRandomAccessStream

Throws:

AudioSourceException

getChannels

public int getChannels()
                throws AudioSourceException

Overrides:

getChannels in class FloatRandomAccessStream

Throws:

AudioSourceException