Class VP8Frame

java.lang.Object

com.twelvemonkeys.imageio.plugins.webp.vp8.VP8Frame

public final class VP8Frame
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	BLOCK_TYPES
private static final int	COEF_BANDS
private final int[][][][]	coefProbs
private final boolean	debug
private int	filterLevel
private final ImageInputStream	frame
private int	frameType
private int	height
private IIOReadProgressListener	listener
private int	macroBlockCols
private int	macroBlockNoCoeffSkip
private int	macroBlockRows
private MacroBlock[][]	macroBlocks
private int	macroBlockSegementAbsoluteDelta
private int[]	macroBlockSegmentTreeProbs
private static final int	MAX_ENTROPY_TOKENS
private static final int	MAX_MODE_LF_DELTAS
private static final int	MAX_REF_LF_DELTAS
private final int[]	modeLoopFilterDeltas
private int	modeRefLoopFilterDeltaEnabled
private int	modeRefLoopFilterDeltaUpdate
private int	multiTokenPartition
private long	offset
private static final int	PREV_COEF_CONTEXTS
private final int[]	refLoopFilterDeltas
private int	refreshEntropyProbs
private int	refreshLastFrame
private final byte[]	rgb
private int	segmentationIsEnabled
private SegmentQuants	segmentQuants
private int	sharpnessLevel
private boolean	simpleFilter
private BoolDecoder	tokenBoolDecoder
private final List<BoolDecoder>	tokenBoolDecoders
private int	updateMacroBlockSegmentationMap
private int	updateMacroBlockSegmentatonData
private int	width
private final byte[]	yuv

Constructor Summary

Constructors

Constructor	Description
VP8Frame(ImageInputStream stream, boolean debug)

Method Summary

Modifier and Type	Method	Description
private void	copyBlock(MacroBlock macroBlock, WritableRaster byteRGBRaster, Rectangle region, int xSubsampling, int ySubsampling)
private void	createMacroBlocks()
boolean	decode(WritableRaster raster, ImageReadParam param)
private void	decodeMacroBlockRow(int mbRow, WritableRaster raster, Rectangle region, int xSubsampling, int ySubsampling)
private void	fireProgressUpdate(int mbRow)
SubBlock	getAboveRightSubBlock(SubBlock sb, SubBlock.Plane plane)
SubBlock	getAboveSubBlock(SubBlock sb, SubBlock.Plane plane)
private int	getBitAsInt(int data, int bit)
(package private) int[][][][]	getCoefProbs()
BufferedImage	getDebugImageDiff()
BufferedImage	getDebugImagePredict()
BufferedImage	getDebugImageUBuffer()
BufferedImage	getDebugImageUDiffBuffer()
BufferedImage	getDebugImageUPredBuffer()
BufferedImage	getDebugImageVBuffer()
BufferedImage	getDebugImageVDiffBuffer()
BufferedImage	getDebugImageVPredBuffer()
BufferedImage	getDebugImageYBuffer()
BufferedImage	getDebugImageYDiffBuffer()
BufferedImage	getDebugImageYPredBuffer()
int	getFrameType()
int	getHeight()
SubBlock	getLeftSubBlock(SubBlock sb, SubBlock.Plane plane)
MacroBlock	getMacroBlock(int mbCol, int mbRow)
int	getMacroBlockCols()
String	getMacroBlockDebugString(int mbx, int mby, int sbx, int sby)
int	getMacroBlockRows()
int	getQIndex()
SegmentQuants	getSegmentQuants()
int	getSharpnessLevel()
BoolDecoder	getTokenBoolDecoder()
int	getWidth()
private void	readModes(BoolDecoder bc)
private int	readPartitionSize(long l)
private int	readSubBlockMode(BoolDecoder bc, int A, int L)
private int	readUvMode(BoolDecoder bc)
private int	readYMode(BoolDecoder bc)
void	setProgressListener(IIOReadProgressListener listener)
private void	setupTokenDecoder(BoolDecoder bc, int first_partition_length_in_bytes, long offset)

Methods inherited from class Object

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

Field Details

BLOCK_TYPES

private static final int BLOCK_TYPES

See Also:

• Constant Field Values

COEF_BANDS

private static final int COEF_BANDS

See Also:

• Constant Field Values

MAX_ENTROPY_TOKENS

private static final int MAX_ENTROPY_TOKENS

See Also:

• Constant Field Values

MAX_MODE_LF_DELTAS

private static final int MAX_MODE_LF_DELTAS

See Also:

• Constant Field Values

MAX_REF_LF_DELTAS

private static final int MAX_REF_LF_DELTAS

See Also:

• Constant Field Values

PREV_COEF_CONTEXTS

private static final int PREV_COEF_CONTEXTS

See Also:

• Constant Field Values

listener

private IIOReadProgressListener listener

coefProbs

private final int[][][][] coefProbs

filterLevel

private int filterLevel

frame

private final ImageInputStream frame

debug

private final boolean debug

frameType

private int frameType

height

private int height

macroBlockCols

private int macroBlockCols

macroBlockNoCoeffSkip

private int macroBlockNoCoeffSkip

macroBlockRows

private int macroBlockRows

macroBlocks

private MacroBlock[][] macroBlocks

macroBlockSegementAbsoluteDelta

private int macroBlockSegementAbsoluteDelta

macroBlockSegmentTreeProbs

private int[] macroBlockSegmentTreeProbs

modeLoopFilterDeltas

private final int[] modeLoopFilterDeltas

modeRefLoopFilterDeltaEnabled

private int modeRefLoopFilterDeltaEnabled

modeRefLoopFilterDeltaUpdate

private int modeRefLoopFilterDeltaUpdate

multiTokenPartition

private int multiTokenPartition

offset

private long offset

refLoopFilterDeltas

private final int[] refLoopFilterDeltas

refreshEntropyProbs

private int refreshEntropyProbs

refreshLastFrame

private int refreshLastFrame

segmentationIsEnabled

private int segmentationIsEnabled

segmentQuants

private SegmentQuants segmentQuants

sharpnessLevel

private int sharpnessLevel

simpleFilter

private boolean simpleFilter

tokenBoolDecoder

private BoolDecoder tokenBoolDecoder

tokenBoolDecoders

private final List<BoolDecoder> tokenBoolDecoders

updateMacroBlockSegmentationMap

private int updateMacroBlockSegmentationMap

updateMacroBlockSegmentatonData

private int updateMacroBlockSegmentatonData

width

private int width

yuv

private final byte[] yuv

rgb

private final byte[] rgb

Constructor Details

VP8Frame

public VP8Frame(ImageInputStream stream,
 boolean debug)
         throws IOException

Throws:

IOException

Method Details

setProgressListener

public void setProgressListener(IIOReadProgressListener listener)

createMacroBlocks

private void createMacroBlocks()

decode

public boolean decode(WritableRaster raster,
 ImageReadParam param)
               throws IOException

Throws:

IOException

decodeMacroBlockRow

private void decodeMacroBlockRow(int mbRow,
 WritableRaster raster,
 Rectangle region,
 int xSubsampling,
 int ySubsampling)
                          throws IOException

Throws:

IOException

fireProgressUpdate

private void fireProgressUpdate(int mbRow)

getAboveRightSubBlock

public SubBlock getAboveRightSubBlock(SubBlock sb,
 SubBlock.Plane plane)

getAboveSubBlock

public SubBlock getAboveSubBlock(SubBlock sb,
 SubBlock.Plane plane)

getBitAsInt

private int getBitAsInt(int data,
 int bit)

getCoefProbs

int[][][][] getCoefProbs()

getDebugImageDiff

public BufferedImage getDebugImageDiff()

getDebugImagePredict

public BufferedImage getDebugImagePredict()

getDebugImageUBuffer

public BufferedImage getDebugImageUBuffer()

getDebugImageUDiffBuffer

public BufferedImage getDebugImageUDiffBuffer()

getDebugImageUPredBuffer

public BufferedImage getDebugImageUPredBuffer()

getDebugImageVBuffer

public BufferedImage getDebugImageVBuffer()

getDebugImageVDiffBuffer

public BufferedImage getDebugImageVDiffBuffer()

getDebugImageVPredBuffer

public BufferedImage getDebugImageVPredBuffer()

getDebugImageYBuffer

public BufferedImage getDebugImageYBuffer()

getDebugImageYDiffBuffer

public BufferedImage getDebugImageYDiffBuffer()

getDebugImageYPredBuffer

public BufferedImage getDebugImageYPredBuffer()

getFrameType

public int getFrameType()

getWidth

public int getWidth()

getHeight

public int getHeight()

getLeftSubBlock

public SubBlock getLeftSubBlock(SubBlock sb,
 SubBlock.Plane plane)

getMacroBlock

public MacroBlock getMacroBlock(int mbCol,
 int mbRow)

getMacroBlockCols

public int getMacroBlockCols()

getMacroBlockDebugString

public String getMacroBlockDebugString(int mbx,
 int mby,
 int sbx,
 int sby)

getMacroBlockRows

public int getMacroBlockRows()

getQIndex

public int getQIndex()

getSegmentQuants

public SegmentQuants getSegmentQuants()

getSharpnessLevel

public int getSharpnessLevel()

getTokenBoolDecoder

public BoolDecoder getTokenBoolDecoder()
                                throws IOException

Throws:

IOException

readModes

private void readModes(BoolDecoder bc)
                throws IOException

Throws:

IOException

readPartitionSize

private int readPartitionSize(long l)
                       throws IOException

Throws:

IOException

readSubBlockMode

private int readSubBlockMode(BoolDecoder bc,
 int A,
 int L)
                      throws IOException

Throws:

IOException

readUvMode

private int readUvMode(BoolDecoder bc)
                throws IOException

Throws:

IOException

readYMode

private int readYMode(BoolDecoder bc)
               throws IOException

Throws:

IOException

setupTokenDecoder

private void setupTokenDecoder(BoolDecoder bc,
 int first_partition_length_in_bytes,
 long offset)
                        throws IOException

Throws:

IOException

copyBlock

private void copyBlock(MacroBlock macroBlock,
 WritableRaster byteRGBRaster,
 Rectangle region,
 int xSubsampling,
 int ySubsampling)