Package bdsup2sub.supstream.bd

Class SupBDParser

java.lang.Object

bdsup2sub.supstream.bd.SupBDParser

public class SupBDParser
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	SupBDParser.PCSSegment

Field Summary

Fields

Modifier and Type	Field	Description
private FileBuffer	buffer
private static final Configuration	configuration
private int	forcedFrameCount
private static final Logger	logger
private static final int	PGSSUP_DISPLAY_SEGMENT
private static final int	PGSSUP_FILE_MAGIC
private static final int	PGSSUP_PALETTE_SEGMENT
private static final int	PGSSUP_PICTURE_SEGMENT
private static final int	PGSSUP_PRESENTATION_SEGMENT
private static final int	PGSSUP_WINDOW_SEGMENT
private List<SubPictureBD>	subPictures

Constructor Summary

Constructors

Constructor	Description
SupBDParser(String filename)

Method Summary

Modifier and Type	Method	Description
private void	countForcedFrames()
FileBuffer	getBuffer()
private int	getCompositionNumber(SupBDParser.PCSSegment segment)
private PGSCompositionState	getCompositionState(SupBDParser.PCSSegment segment)
int	getForcedFrameCount()
private boolean	getPaletteUpdateFlag(SupBDParser.PCSSegment segment)	Retrieve palette (only) update flag from PCS segment
List<SubPictureBD>	getSubPictures()
private void	parse()
private boolean	parseODS(SupBDParser.PCSSegment pcsSegment, SubPictureBD subPictureBD, StringBuffer message)
private void	parsePCS(SupBDParser.PCSSegment segment, SubPictureBD subPictureBD, StringBuffer message)	parse an PCS packet which contains width/height info
private int	parsePDS(SupBDParser.PCSSegment pcsSegment, SubPictureBD subPictureBD, StringBuffer message)
private void	parseWDS(SupBDParser.PCSSegment pcsSegment, SubPictureBD subPictureBD)
private SupBDParser.PCSSegment	readPCSSegment(int offset)
private void	removeLastFrameIfInvalid(int odsCounter, int pdsCounter)

Methods inherited from class java.lang.Object

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

Field Details

configuration

private static final Configuration configuration

logger

private static final Logger logger

PGSSUP_FILE_MAGIC

private static final int PGSSUP_FILE_MAGIC

See Also:

• Constant Field Values

PGSSUP_PALETTE_SEGMENT

private static final int PGSSUP_PALETTE_SEGMENT

See Also:

• Constant Field Values

PGSSUP_PICTURE_SEGMENT

private static final int PGSSUP_PICTURE_SEGMENT

See Also:

• Constant Field Values

PGSSUP_PRESENTATION_SEGMENT

private static final int PGSSUP_PRESENTATION_SEGMENT

See Also:

• Constant Field Values

PGSSUP_WINDOW_SEGMENT

private static final int PGSSUP_WINDOW_SEGMENT

See Also:

• Constant Field Values

PGSSUP_DISPLAY_SEGMENT

private static final int PGSSUP_DISPLAY_SEGMENT

See Also:

• Constant Field Values

buffer

private FileBuffer buffer

subPictures

private List<SubPictureBD> subPictures

forcedFrameCount

private int forcedFrameCount

Constructor Details

SupBDParser

public SupBDParser(String filename)
            throws CoreException

Throws:

CoreException

Method Details

parse

private void parse()
            throws CoreException

Throws:

CoreException

removeLastFrameIfInvalid

private void removeLastFrameIfInvalid(int odsCounter,
 int pdsCounter)

countForcedFrames

private void countForcedFrames()

readPCSSegment

private SupBDParser.PCSSegment readPCSSegment(int offset)
                                       throws FileBufferException,
CoreException

Throws:

FileBufferException

CoreException

getCompositionNumber

private int getCompositionNumber(SupBDParser.PCSSegment segment)
                          throws FileBufferException

Throws:

FileBufferException

getCompositionState

private PGSCompositionState getCompositionState(SupBDParser.PCSSegment segment)
                                         throws FileBufferException

Throws:

FileBufferException

getPaletteUpdateFlag

private boolean getPaletteUpdateFlag(SupBDParser.PCSSegment segment)
                              throws FileBufferException

Retrieve palette (only) update flag from PCS segment

Returns:

true: this is only a palette update - ignore ODS

Throws:

FileBufferException

parsePCS

private void parsePCS(SupBDParser.PCSSegment segment,
 SubPictureBD subPictureBD,
 StringBuffer message)
               throws FileBufferException

parse an PCS packet which contains width/height info

Parameters:

segment - object containing info about the current segment

subPictureBD - SubPicture object containing info about the current caption

message -

Throws:

FileBufferException

parseWDS

private void parseWDS(SupBDParser.PCSSegment pcsSegment,
 SubPictureBD subPictureBD)
               throws FileBufferException

Throws:

FileBufferException

parseODS

private boolean parseODS(SupBDParser.PCSSegment pcsSegment,
 SubPictureBD subPictureBD,
 StringBuffer message)
                  throws FileBufferException

Throws:

FileBufferException

parsePDS

private int parsePDS(SupBDParser.PCSSegment pcsSegment,
 SubPictureBD subPictureBD,
 StringBuffer message)
              throws FileBufferException

Throws:

FileBufferException

getBuffer

public FileBuffer getBuffer()

getSubPictures

public List<SubPictureBD> getSubPictures()

getForcedFrameCount

public int getForcedFrameCount()