org.xnap.plugin.viewer.videoinfo
Class VideoFile

java.lang.Object
  java.io.File
      org.xnap.plugin.viewer.videoinfo.VideoFile

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<java.io.File>

public class VideoFile
extends java.io.File

Class to extract a video's play length and resolution. The video parsing code for avi and mpeg files is taken from the ziga project. See README for more information. The video parsing code for asf files is taken from the avifile project (http://avifile.sourceforge.net/).

See Also:

Serialized Form

Nested Class Summary

protected class	VideoFile.ASFCodecList
protected class	VideoFile.ASFMainHeader
protected class	VideoFile.ASFStreamHeader
protected class	VideoFile.GUID

Field Summary

protected VideoFile.GUID	ASF_AUDIO_MEDIA_GUID
protected VideoFile.GUID	ASF_CODEC_LIST_GUID
protected VideoFile.GUID	ASF_FILE_PROPERTIES_GUID
protected static int	ASF_FILE_PROPERTIES_SIZE
protected VideoFile.GUID	ASF_HEADER_GUID
protected VideoFile.GUID	ASF_STREAM_PROPERTIES_GUID
protected static int	ASF_STREAM_PROPERTIES_SIZE
protected static int	GROUP_START_CODE
protected static int	GUID_SIZE
protected static int	MAX_BACKWARD_READ_LENGTH
protected static int	MAX_FORWARD_READ_LENGTH
protected static int	PACK_START_CODE
protected static int	SEQ_START_CODE

Fields inherited from class java.io.File

pathSeparator, pathSeparatorChar, separator, separatorChar

Constructor Summary

VideoFile(java.io.File f)

Method Summary

int	getHeight()
java.lang.String	getInfo()
int	getLength()
protected java.lang.Long	getMPEG2SCR(byte[] b)
protected java.lang.Long	getMPEGSCR(byte[] b)
int	getWidth()
protected boolean	lookForASF()
protected boolean	lookForAVI()
protected boolean	lookForMPEG()
protected boolean	nextStartCode()
boolean	parse()
protected boolean	previousStartCode()
protected int	readBigEndianInt()
protected long	readBigEndianLong()
protected short	readBigEndianShort()
protected java.lang.String	readChunk()

Methods inherited from class java.io.File

canRead, canWrite, compareTo, createNewFile, createTempFile, createTempFile, delete, deleteOnExit, equals, exists, getAbsoluteFile, getAbsolutePath, getCanonicalFile, getCanonicalPath, getName, getParent, getParentFile, getPath, hashCode, isAbsolute, isDirectory, isFile, isHidden, lastModified, length, list, list, listFiles, listFiles, listFiles, listRoots, mkdir, mkdirs, renameTo, setLastModified, setReadOnly, toString, toURI, toURL

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

PACK_START_CODE

protected static final int PACK_START_CODE

See Also:

Constant Field Values

SEQ_START_CODE

protected static final int SEQ_START_CODE

See Also:

Constant Field Values

GROUP_START_CODE

protected static final int GROUP_START_CODE

See Also:

Constant Field Values

MAX_FORWARD_READ_LENGTH

protected static final int MAX_FORWARD_READ_LENGTH

See Also:

Constant Field Values

MAX_BACKWARD_READ_LENGTH

protected static final int MAX_BACKWARD_READ_LENGTH

See Also:

Constant Field Values

ASF_FILE_PROPERTIES_SIZE

protected static final int ASF_FILE_PROPERTIES_SIZE

See Also:

Constant Field Values

ASF_STREAM_PROPERTIES_SIZE

protected static final int ASF_STREAM_PROPERTIES_SIZE

See Also:

Constant Field Values

GUID_SIZE

protected static final int GUID_SIZE

See Also:

Constant Field Values

ASF_HEADER_GUID

protected final transient VideoFile.GUID ASF_HEADER_GUID

ASF_FILE_PROPERTIES_GUID

protected final transient VideoFile.GUID ASF_FILE_PROPERTIES_GUID

ASF_STREAM_PROPERTIES_GUID

protected final transient VideoFile.GUID ASF_STREAM_PROPERTIES_GUID

ASF_AUDIO_MEDIA_GUID

protected final transient VideoFile.GUID ASF_AUDIO_MEDIA_GUID

ASF_CODEC_LIST_GUID

protected final transient VideoFile.GUID ASF_CODEC_LIST_GUID

Constructor Detail

VideoFile

public VideoFile(java.io.File f)

Method Detail

parse

public boolean parse()

getHeight

public int getHeight()

getInfo

public java.lang.String getInfo()

getLength

public int getLength()

getWidth

public int getWidth()

lookForAVI

protected boolean lookForAVI()
                      throws java.io.IOException

Throws:

java.io.IOException

lookForASF

protected boolean lookForASF()
                      throws java.io.IOException

Throws:

java.io.IOException

lookForMPEG

protected boolean lookForMPEG()
                       throws java.io.IOException

Throws:

java.io.IOException

readChunk

protected final java.lang.String readChunk()
                                    throws java.io.IOException

Throws:

java.io.IOException

readBigEndianShort

protected final short readBigEndianShort()
                                  throws java.io.IOException

Throws:

java.io.IOException

readBigEndianInt

protected final int readBigEndianInt()
                              throws java.io.IOException

Throws:

java.io.IOException

readBigEndianLong

protected final long readBigEndianLong()
                                throws java.io.IOException

Throws:

java.io.IOException

getMPEGSCR

protected java.lang.Long getMPEGSCR(byte[] b)

getMPEG2SCR

protected java.lang.Long getMPEG2SCR(byte[] b)

nextStartCode

protected boolean nextStartCode()

previousStartCode

protected boolean previousStartCode()