org.jaudiotagger.audio.flac
Class FlacStreamReader

java.lang.Object
  org.jaudiotagger.audio.flac.FlacStreamReader

public class FlacStreamReader
extends java.lang.Object

Flac Stream

Reader files and identifies if this is in fact a flac stream

Field Summary

static java.lang.String	FLAC_STREAM_IDENTIFIER
static int	FLAC_STREAM_IDENTIFIER_LENGTH
private java.io.RandomAccessFile	raf
private int	startOfFlacInFile

Constructor Summary

FlacStreamReader(java.io.RandomAccessFile raf)
Create instance for holding stream info

Method Summary

void	findStream() Reads the stream block to ensure it is a flac file
int	getStartOfFlacInFile() Usually flac header is at start of file, but unofficially and ID3 tag is allowed at the start of the file.
private boolean	isFlacHeader()
private boolean	isId3v22Tag()
private boolean	isId3v23Tag()
private boolean	isId3v24Tag()

Methods inherited from class java.lang.Object

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

Field Detail

FLAC_STREAM_IDENTIFIER_LENGTH

public static final int FLAC_STREAM_IDENTIFIER_LENGTH

See Also:

Constant Field Values

FLAC_STREAM_IDENTIFIER

public static final java.lang.String FLAC_STREAM_IDENTIFIER

See Also:

Constant Field Values

raf

private java.io.RandomAccessFile raf

startOfFlacInFile

private int startOfFlacInFile

Constructor Detail

FlacStreamReader

public FlacStreamReader(java.io.RandomAccessFile raf)

Create instance for holding stream info

Parameters:

raf -

Method Detail

findStream

public void findStream()
                throws java.io.IOException,
                       CannotReadException

Reads the stream block to ensure it is a flac file

Throws:

java.io.IOException

CannotReadException

isId3v24Tag

private boolean isId3v24Tag()
                     throws java.io.IOException

Throws:

java.io.IOException

isId3v23Tag

private boolean isId3v23Tag()
                     throws java.io.IOException

Throws:

java.io.IOException

isId3v22Tag

private boolean isId3v22Tag()
                     throws java.io.IOException

Throws:

java.io.IOException

isFlacHeader

private boolean isFlacHeader()
                      throws java.io.IOException

Throws:

java.io.IOException

getStartOfFlacInFile

public int getStartOfFlacInFile()

Usually flac header is at start of file, but unofficially and ID3 tag is allowed at the start of the file.

Returns:

the start of the Flac within file