net.sourceforge.jaad.aac.syntax

Class BitStream

java.lang.Object

net.sourceforge.jaad.aac.syntax.BitStream

All Implemented Interfaces:

IBitStream

public class BitStream
extends Object
implements IBitStream

This class is part of JAAD ( jaadec.sourceforge.net ) that is distributed under the Public Domain license. Code changes provided by the JCodec project are distributed under FreeBSD license.

Author:

in-somnia

Field Summary

Fields

Modifier and Type	Field and Description
protected int	bitsCached
protected int	position

Constructor Summary

Constructors

Constructor and Description
BitStream()

Method Summary

Modifier and Type	Method and Description
void	byteAlign()
static BitStream	createBitStream(byte[] data)
void	destroy()
int	getBitsLeft()
int	getPosition()
int	maskBits(int n)
int	peekBit()
int	peekBits(int n)
int	readBit()
int	readBits(int n)
boolean	readBool()
protected int	readCache(boolean peek) Reads the next four bytes.
void	reset()
void	setData(byte[] data)
void	skipBit()
void	skipBits(int n)

Methods inherited from class java.lang.Object

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

Field Detail

bitsCached

protected int bitsCached

position

protected int position

Constructor Detail

BitStream

public BitStream()

Method Detail

createBitStream

public static BitStream createBitStream(byte[] data)

destroy

public void destroy()

Specified by:

destroy in interface IBitStream

setData

public final void setData(byte[] data)

Specified by:

setData in interface IBitStream

byteAlign

public void byteAlign()
               throws AACException

Specified by:

byteAlign in interface IBitStream

Throws:

AACException

reset

public final void reset()

Specified by:

reset in interface IBitStream

getPosition

public int getPosition()

Specified by:

getPosition in interface IBitStream

getBitsLeft

public int getBitsLeft()

Specified by:

getBitsLeft in interface IBitStream

readCache

protected int readCache(boolean peek)
                 throws AACException

Reads the next four bytes.

Parameters:

peek - if true, the stream pointer will not be increased

Throws:

AACException

readBits

public int readBits(int n)
             throws AACException

Specified by:

readBits in interface IBitStream

Throws:

AACException

readBit

public int readBit()
            throws AACException

Specified by:

readBit in interface IBitStream

Throws:

AACException

readBool

public boolean readBool()
                 throws AACException

Specified by:

readBool in interface IBitStream

Throws:

AACException

peekBits

public int peekBits(int n)
             throws AACException

Specified by:

peekBits in interface IBitStream

Throws:

AACException

peekBit

public int peekBit()
            throws AACException

Specified by:

peekBit in interface IBitStream

Throws:

AACException

skipBits

public void skipBits(int n)
              throws AACException

Specified by:

skipBits in interface IBitStream

Throws:

AACException

skipBit

public void skipBit()
             throws AACException

Specified by:

skipBit in interface IBitStream

Throws:

AACException

maskBits

public int maskBits(int n)

Specified by:

maskBits in interface IBitStream