Package games.stendhal.common.math

Class Dsp

java.lang.Object

games.stendhal.common.math.Dsp

public class Dsp
extends Object

Signal processing algorithms.

Author:

silvio

Constructor Summary

Constructors

Constructor	Description
Dsp()

Method Summary

Modifier and Type	Method	Description
static void	blendAudioData(float[] result, int rOffset, float[] samples, int sOffset, int numSamples, float intensity)
static float[]	convertChannels(float[] samples, int numFrames, int numChannels, int numRequiredChannels)
static float[]	convertSampleRate(float[] samples, int numFrames, int numChannels, int sampleRate, int targetSampleRate)	Convert the sample rate of a multi channel PCM signal.
static byte[]	convertUniformPCM(byte[] pcmBuffer, float[] samples, int numSamples, int numBytesPerSample)
static void	mixAudioData(float[] result, int rOffset, float[] samples, int sOffset, int numSamples, float intensity)

Methods inherited from class java.lang.Object

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

Constructor Details

Dsp

public Dsp()

Method Details

convertUniformPCM

public static byte[] convertUniformPCM(byte[] pcmBuffer,
 float[] samples,
 int numSamples,
 int numBytesPerSample)

mixAudioData

public static void mixAudioData(float[] result,
 int rOffset,
 float[] samples,
 int sOffset,
 int numSamples,
 float intensity)

blendAudioData

public static void blendAudioData(float[] result,
 int rOffset,
 float[] samples,
 int sOffset,
 int numSamples,
 float intensity)

convertChannels

public static float[] convertChannels(float[] samples,
 int numFrames,
 int numChannels,
 int numRequiredChannels)

convertSampleRate

public static float[] convertSampleRate(float[] samples,
 int numFrames,
 int numChannels,
 int sampleRate,
 int targetSampleRate)

Convert the sample rate of a multi channel PCM signal.

Parameters:

samples -

numFrames -

numChannels -

sampleRate -

targetSampleRate -

Returns:

converted sample rate