javazoom.jl.decoder

Class LayerIDecoder

java.lang.Object

javazoom.jl.decoder.LayerIDecoder

All Implemented Interfaces:

FrameDecoder

Direct Known Subclasses:

LayerIIDecoder

public class LayerIDecoder
extends Object
implements FrameDecoder

Implements decoding of MPEG Audio Layer I frames.

Field Summary

Fields

Modifier and Type	Field and Description
protected OutputBuffer	buffer
protected Crc16	crc
protected SynthesisFilter	filter1
protected SynthesisFilter	filter2
protected Header	header
protected int	mode
protected int	num_subbands
protected Bitstream	stream
protected javazoom.jl.decoder.LayerIDecoder.Subband[]	subbands
protected int	which_channels

Constructor Summary

Constructors

Constructor and Description
LayerIDecoder()

Method Summary

Methods

Modifier and Type	Method and Description
void	create(Bitstream stream0, Header header0, SynthesisFilter filtera, SynthesisFilter filterb, OutputBuffer buffer0, int which_ch0)
protected void	createSubbands()
void	decodeFrame() Decodes one frame of MPEG audio.
protected void	readAllocation()
protected void	readSampleData()
protected void	readScaleFactors()
protected void	readScaleFactorSelection()

Methods inherited from class java.lang.Object

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

Field Detail

stream

protected Bitstream stream

header

protected Header header

filter1

protected SynthesisFilter filter1

filter2

protected SynthesisFilter filter2

buffer

protected OutputBuffer buffer

which_channels

protected int which_channels

mode

protected int mode

num_subbands

protected int num_subbands

subbands

protected javazoom.jl.decoder.LayerIDecoder.Subband[] subbands

crc

protected Crc16 crc

Constructor Detail

LayerIDecoder

public LayerIDecoder()

Method Detail

create

public void create(Bitstream stream0,
          Header header0,
          SynthesisFilter filtera,
          SynthesisFilter filterb,
          OutputBuffer buffer0,
          int which_ch0)

decodeFrame

public void decodeFrame()
                 throws DecoderException

Description copied from interface: FrameDecoder

Decodes one frame of MPEG audio.

Specified by:

decodeFrame in interface FrameDecoder

Throws:

DecoderException

createSubbands

protected void createSubbands()

readAllocation

protected void readAllocation()
                       throws DecoderException

Throws:

DecoderException

readScaleFactorSelection

protected void readScaleFactorSelection()

readScaleFactors

protected void readScaleFactors()

readSampleData

protected void readSampleData()