ensemble.audio.file

Class AudioInputFile

java.lang.Object

ensemble.audio.file.AudioInputFile

public class AudioInputFile
extends java.lang.Object

The Class AudioInputFile.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) javax.sound.sampled.AudioInputStream	audioInputStream The audio input stream.
private byte[]	buffer The buffer.
(package private) int	bytesPerFrame The bytes per frame.
private int	chunk_counter The chunk_counter.
(package private) javax.sound.sampled.AudioFormat.Encoding	enc The enc.
(package private) java.io.File	file The file.
(package private) boolean	hasEnded The has ended.
(package private) boolean	isBigEndian The is big endian.
(package private) boolean	onLoop The on loop.
(package private) float	sampleRate The sample rate.
(package private) int	sampleSizeInBits The sample size in bits.

Constructor Summary

Constructors

Constructor and Description
AudioInputFile(java.lang.String filename, boolean onLoop) Instantiates a new audio input file.

Method Summary

Methods

Modifier and Type	Method and Description
long	getNumberSamples() Returns the total number of samples in this file.
float	getSampleRate() Gets the sample rate.
private void	openFile(java.lang.String filename) Open file.
double[]	readChunk(int offset, int chunkSize) Reads a random segment of data from the audio file.
double[]	readNextChunk(int chunkSize) Reads the next segment of the audio file.

Methods inherited from class java.lang.Object

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

Field Detail

file

java.io.File file

The file.

audioInputStream

javax.sound.sampled.AudioInputStream audioInputStream

The audio input stream.

onLoop

boolean onLoop

The on loop.

hasEnded

boolean hasEnded

The has ended.

bytesPerFrame

int bytesPerFrame

The bytes per frame.

sampleRate

float sampleRate

The sample rate.

sampleSizeInBits

int sampleSizeInBits

The sample size in bits.

isBigEndian

boolean isBigEndian

The is big endian.

enc

javax.sound.sampled.AudioFormat.Encoding enc

The enc.

buffer

private byte[] buffer

The buffer.

chunk_counter

private int chunk_counter

The chunk_counter.

Constructor Detail

AudioInputFile

public AudioInputFile(java.lang.String filename,
              boolean onLoop)
               throws java.io.FileNotFoundException

Instantiates a new audio input file.

Parameters:

filename - the filename

onLoop - the on loop

Throws:

java.io.FileNotFoundException - the file not found exception

Method Detail

openFile

private void openFile(java.lang.String filename)
               throws java.io.FileNotFoundException

Open file.

Parameters:

filename - the filename

Throws:

java.io.FileNotFoundException - the file not found exception

getNumberSamples

public long getNumberSamples()

Returns the total number of samples in this file.

Returns:

the number samples

getSampleRate

public float getSampleRate()

Gets the sample rate.

Returns:

the sample rate

readChunk

public double[] readChunk(int offset,
                 int chunkSize)

Reads a random segment of data from the audio file.

Parameters:

offset - start sample of the segment

chunkSize - size of the segment

Returns:

an audio segment

readNextChunk

public double[] readNextChunk(int chunkSize)

Reads the next segment of the audio file.

Parameters:

chunkSize - the size of the segment

Returns:

an audio segment