org.jaudiotagger.audio.asf
Class AsfFileReader

java.lang.Object
  org.jaudiotagger.audio.generic.AudioFileReader
      org.jaudiotagger.audio.asf.AsfFileReader

public class AsfFileReader
extends AudioFileReader

This reader can read ASF files containing any content (stream type).

Author:

Christian Laireiter

Field Summary

private static AsfHeaderReader	HEADER_READER This reader will be configured to read tag and audio header information.
private static java.util.logging.Logger	LOGGER Logger instance

Fields inherited from class org.jaudiotagger.audio.generic.AudioFileReader

logger

Constructor Summary

AsfFileReader()

Method Summary

private boolean	determineVariableBitrate(AsfHeader header) Determines if the "isVbr" field is set in the extended content description.
private GenericAudioHeader	getAudioHeader(AsfHeader header) Creates a generic audio header instance with provided data from header.
protected GenericAudioHeader	getEncodingInfo(java.io.RandomAccessFile raf) (overridden)
private AsfTag	getTag(AsfHeader header) Creates a tag instance with provided data from header.
protected AsfTag	getTag(java.io.RandomAccessFile raf) (overridden)
AudioFile	read(java.io.File f)

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final java.util.logging.Logger LOGGER

Logger instance

HEADER_READER

private static final AsfHeaderReader HEADER_READER

This reader will be configured to read tag and audio header information.

Constructor Detail

AsfFileReader

public AsfFileReader()

Method Detail

determineVariableBitrate

private boolean determineVariableBitrate(AsfHeader header)

Determines if the "isVbr" field is set in the extended content description.

Parameters:

header - the header to look up.

Returns:

true if "isVbr" is present with a true value.

getAudioHeader

private GenericAudioHeader getAudioHeader(AsfHeader header)
                                   throws CannotReadException

Creates a generic audio header instance with provided data from header.

Parameters:

header - ASF header which contains the information.

Returns:

generic audio header representation.

Throws:

CannotReadException - If header does not contain mandatory information. (Audio stream chunk and file header chunk)

getEncodingInfo

protected GenericAudioHeader getEncodingInfo(java.io.RandomAccessFile raf)
                                      throws CannotReadException,
                                             java.io.IOException

(overridden)

Specified by:

getEncodingInfo in class AudioFileReader

Throws:

CannotReadException

java.io.IOException

See Also:

AudioFileReader.getEncodingInfo(java.io.RandomAccessFile)

getTag

private AsfTag getTag(AsfHeader header)

Creates a tag instance with provided data from header.

Parameters:

header - ASF header which contains the information.

Returns:

generic audio header representation.

getTag

protected AsfTag getTag(java.io.RandomAccessFile raf)
                 throws CannotReadException,
                        java.io.IOException

(overridden)

Specified by:

getTag in class AudioFileReader

Throws:

CannotReadException

java.io.IOException

See Also:

AudioFileReader.getTag(java.io.RandomAccessFile)

read

public AudioFile read(java.io.File f)
               throws CannotReadException,
                      java.io.IOException,
                      TagException,
                      ReadOnlyFileException,
                      InvalidAudioFrameException

Overrides:

read in class AudioFileReader

Throws:

CannotReadException

java.io.IOException

TagException

ReadOnlyFileException

InvalidAudioFrameException