loci.formats
Class QTReader

java.lang.Object
  loci.formats.FormatHandler
      loci.formats.FormatReader
          loci.formats.QTReader

public class QTReader

extends FormatReader

QTReader is the file format reader for QuickTime movie files. It does not require any external libraries to be installed. Additional video codecs will be added as time permits.

Field Summary

Fields inherited from class loci.formats.FormatReader

DEBUG, DEBUG_LEVEL, metadata, ome

Fields inherited from class loci.formats.FormatHandler

chooser, currentId, filters, format, suffixes

Constructor Summary

QTReader()
Constructs a new QuickTime reader.

Method Summary

void	close() Closes any open files.
int	getImageCount(String id) Determines the number of images in the given QuickTime file.
protected void	initFile(String id) Initializes the given QuickTime file.
boolean	isContainer(String type) Checks if the given String is a container atom type.
boolean	isThisType(byte[] block) Checks if the given block is a valid header for a QuickTime file.
byte[]	jpegUncompress(byte[] input) Uncompresses a JPEG compressed image plane.
static void	main(String[] args)
BufferedImage	open(String id, int no) Obtains the specified image from the given QuickTime file.
void	parse(int depth, long offset, long length) Parse all of the atoms in the file.
void	print(int depth, long size, String type, byte[] data) Debugging method; prints information on an atom.
byte[]	rleUncompress(byte[] input) Uncompresses a QT RLE compressed image plane.
byte[]	uncompress(byte[] pixs, String code) Uncompresses an image plane according to the the codec identifier.

Methods inherited from class loci.formats.FormatReader

createFilters, getMetadata, getMetadataValue, getOMENode, open, testRead

Methods inherited from class loci.formats.FormatHandler

getFileChooser, getFileFilters, getFormat, getSuffixes, isThisType

Methods inherited from class java.lang.Object

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

Constructor Detail

QTReader

public QTReader()

Constructs a new QuickTime reader.

Method Detail

isThisType

public boolean isThisType(byte[] block)

Checks if the given block is a valid header for a QuickTime file.

Specified by:

isThisType in class FormatReader

getImageCount

public int getImageCount(String id)
                  throws FormatException,
                         IOException

Determines the number of images in the given QuickTime file.

Specified by:

getImageCount in class FormatReader

Throws:

FormatException

IOException

open

public BufferedImage open(String id,
                          int no)
                   throws FormatException,
                          IOException

Obtains the specified image from the given QuickTime file.

Specified by:

open in class FormatReader

Throws:

FormatException

IOException

close

public void close()
           throws FormatException,
                  IOException

Closes any open files.

Specified by:

close in class FormatReader

Throws:

FormatException

IOException

initFile

protected void initFile(String id)
                 throws FormatException,
                        IOException

Initializes the given QuickTime file.

Overrides:

initFile in class FormatReader

Throws:

FormatException

IOException

parse

public void parse(int depth,
                  long offset,
                  long length)
           throws IOException

Parse all of the atoms in the file.

Throws:

IOException

isContainer

public boolean isContainer(String type)

Checks if the given String is a container atom type.

print

public void print(int depth,
                  long size,
                  String type,
                  byte[] data)

Debugging method; prints information on an atom.

uncompress

public byte[] uncompress(byte[] pixs,
                         String code)
                  throws FormatException

Uncompresses an image plane according to the the codec identifier.

Throws:

FormatException

jpegUncompress

public byte[] jpegUncompress(byte[] input)
                      throws FormatException

Uncompresses a JPEG compressed image plane.

Throws:

FormatException

rleUncompress

public byte[] rleUncompress(byte[] input)
                     throws FormatException

Uncompresses a QT RLE compressed image plane.

Throws:

FormatException

main

public static void main(String[] args)
                 throws FormatException,
                        IOException

Throws:

FormatException

IOException