jass.generators
Class ErraticLoopBuffer

java.lang.Object
  jass.engine.Out
      jass.generators.LoopBuffer
          jass.generators.ErraticLoopBuffer

All Implemented Interfaces:

Source

public class ErraticLoopBuffer
extends LoopBuffer

A force model based on looping through a buffer, loaded from an audio file or provided by caller. Adds a probablility to "misfire", i.e., skip a section of the loop.

Author:

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

Field Summary

Fields inherited from class jass.generators.LoopBuffer

dix, dx, ix, loopBuffer, loopBufferLength, speed, srate, srateLoopBuffer, volume, x

Fields inherited from class jass.engine.Out

buf, bufferSize, bufOld, lock

Constructor Summary

ErraticLoopBuffer(float srate, int bufferSize, float[] loopBuffer)
Construct loop force and provide buffer

ErraticLoopBuffer(float srate, int bufferSize, java.lang.String fn)
Construct loop force from named file.

ErraticLoopBuffer(float srate, int bufferSize, java.net.URL url)
Construct loop force from url

ErraticLoopBuffer(int bufferSize)
For derived classes

Method Summary

void	computeBuffer() Compute the next buffer.
float	getMisfireProb() Get probability of misfiring per call to computeBuffer
void	setMisfireProb(float val) Set probability of misfiring per call to computeBuffer

Methods inherited from class jass.generators.LoopBuffer

getLoopBuffer, getNextSample, setSpeed, setVolume

Methods inherited from class jass.engine.Out

clearBuffer, copyToOld, getBuffer, getBuffer, getBufferSize, getTime, peekAtBuffer, resetTime, setBufferSize, setTime, setTimeAndNotify

Methods inherited from class java.lang.Object

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

Constructor Detail

ErraticLoopBuffer

public ErraticLoopBuffer(int bufferSize)

For derived classes

Parameters:

bufferSize - biffer size

ErraticLoopBuffer

public ErraticLoopBuffer(float srate,
                         int bufferSize,
                         java.lang.String fn)

Construct loop force from named file.

Parameters:

srate - sampling rate in Hertz.

bufferSize - bufferSize of this Out

fn - Audio file name.

ErraticLoopBuffer

public ErraticLoopBuffer(float srate,
                         int bufferSize,
                         java.net.URL url)

Construct loop force from url

Parameters:

srate - sampling rate in Hertz.

bufferSize - bufferSize of this Out

url - Audio file url.

ErraticLoopBuffer

public ErraticLoopBuffer(float srate,
                         int bufferSize,
                         float[] loopBuffer)

Construct loop force and provide buffer

Parameters:

srate - sampling rate in Hertz.

bufferSize - bufferSize of this Out.

loopBuffer - looping buffer.

Method Detail

setMisfireProb

public void setMisfireProb(float val)

Set probability of misfiring per call to computeBuffer

Parameters:

val - probability.

getMisfireProb

public float getMisfireProb()

Get probability of misfiring per call to computeBuffer

Returns:

probability.

computeBuffer

public void computeBuffer()

Compute the next buffer. Skip 1/2 loop with probability misfireProb.

Overrides:

computeBuffer in class LoopBuffer