org.jcodec.common

Class AudioUtil

java.lang.Object

org.jcodec.common.AudioUtil

public class AudioUtil
extends Object

This class is part of JCodec ( www.jcodec.org ) This software is distributed under FreeBSD License

Author:

The JCodec project

Field Summary

Fields

Modifier and Type	Field and Description
static float	r16
static float	r24

Constructor Summary

Constructors

Constructor and Description
AudioUtil()

Method Summary

Modifier and Type	Method and Description
static void	deinterleave(AudioFormat format, ByteBuffer inb, ByteBuffer[] outs) Deinterleaves audio samples from inb into outs using sample size from format
static void	fromFloat(FloatBuffer floatBuf, AudioFormat format, ByteBuffer buf) Converts float PCM samples stored in floatBuf to integer representation according to format and stores them in buf
static int	fromInt(int[] data, int len, AudioFormat format, ByteBuffer buf)
static void	interleave(AudioFormat format, ByteBuffer[] ins, ByteBuffer outb) Interleaves audio samples in ins into outb using sample size from the format
static void	toFloat(AudioFormat format, ByteBuffer buf, FloatBuffer floatBuf) Converts PCM samples stored in buf and described with format to float array representation
static int	toInt(AudioFormat format, ByteBuffer buf, int[] samples)

Methods inherited from class java.lang.Object

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

Field Detail

r16

public static final float r16

See Also:

Constant Field Values

r24

public static final float r24

See Also:

Constant Field Values

Constructor Detail

AudioUtil

public AudioUtil()

Method Detail

toFloat

public static void toFloat(AudioFormat format,
                           ByteBuffer buf,
                           FloatBuffer floatBuf)

Converts PCM samples stored in buf and described with format to float array representation

Parameters:

format - Supported formats - *_*_S16_LE, *_*_S24_LE, *_*_S16_BE, *_*_S24_LE

buf -

floatBuf -

fromFloat

public static void fromFloat(FloatBuffer floatBuf,
                             AudioFormat format,
                             ByteBuffer buf)

Converts float PCM samples stored in floatBuf to integer representation according to format and stores them in buf

Parameters:

format - Supported formats - *_*_S16_LE, *_*_S24_LE, *_*_S16_BE, *_*_S24_LE

buf -

floatBuf -

fromInt

public static int fromInt(int[] data,
                          int len,
                          AudioFormat format,
                          ByteBuffer buf)

toInt

public static int toInt(AudioFormat format,
                        ByteBuffer buf,
                        int[] samples)

interleave

public static void interleave(AudioFormat format,
                              ByteBuffer[] ins,
                              ByteBuffer outb)

Interleaves audio samples in ins into outb using sample size from the format

Parameters:

format -

ins -

outb -

deinterleave

public static void deinterleave(AudioFormat format,
                                ByteBuffer inb,
                                ByteBuffer[] outs)

Deinterleaves audio samples from inb into outs using sample size from format

Parameters:

format -

inb -

outs -