Package com.twelvemonkeys.imageio.plugins.webp.vp8

Class VP8Frame

  • public final class VP8Frame
extends java.lang.Object

    • Field Detail

      • listener

        private javax.imageio.event.IIOReadProgressListener listener

      • coefProbs

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

      • filterLevel

        private int filterLevel

      • frame

        private final javax.imageio.stream.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

      • currentMacroBlockRow

        private MacroBlock[] currentMacroBlockRow

      • currentMacroBlockRowIndex

        private int currentMacroBlockRowIndex

      • filterLevels

        private int[][] filterLevels

      • lastNonBPredMacroBlockByColumn

        private MacroBlock[] lastNonBPredMacroBlockByColumn

      • segmentIds

        private int[][] segmentIds

      • skipCoeffs

        private int[][] skipCoeffs

      • uvModes

        private int[][] uvModes

      • ySubBlockModes

        private int[][][] ySubBlockModes

      • yModes

        private int[][] yModes

      • previousMacroBlockRow

        private MacroBlock[] previousMacroBlockRow

      • topMacroBlockRow

        private MacroBlock[] topMacroBlockRow

      • 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

      • sharpnessLevel

        private int sharpnessLevel

      • simpleFilter

        private boolean simpleFilter

      • tokenBoolDecoder

        private BoolDecoder tokenBoolDecoder

      • tokenBoolDecoders

        private final java.util.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 Detail

      • VP8Frame

        public VP8Frame​(javax.imageio.stream.ImageInputStream stream,
                boolean debug)
         throws java.io.IOException
        Throws:
        java.io.IOException

    • Method Detail

      • setProgressListener

        public void setProgressListener​(javax.imageio.event.IIOReadProgressListener listener)

      • createMacroBlockMetadata

        private void createMacroBlockMetadata()

      • createMacroBlockRow

        private MacroBlock[] createMacroBlockRow​(int mbRow)

      • populateMacroBlock

        private void populateMacroBlock​(MacroBlock macroBlock,
                                int mbRow,
                                int mbCol)

      • initializeWindowedDecodeState

        private void initializeWindowedDecodeState()

      • ySubBlockModeIndex

        private static int ySubBlockModeIndex​(int subX,
                                      int subY)

      • getYSubBlockMode

        private int getYSubBlockMode​(int mbRow,
                             int mbCol,
                             int subX,
                             int subY)

      • getAboveYSubBlockMode

        private int getAboveYSubBlockMode​(int mbRow,
                                  int mbCol,
                                  int subX,
                                  int subY)

      • getLeftYSubBlockMode

        private int getLeftYSubBlockMode​(int mbRow,
                                 int mbCol,
                                 int subX,
                                 int subY)

      • decode

        public boolean decode​(java.awt.image.WritableRaster raster,
                      javax.imageio.ImageReadParam param)
               throws java.io.IOException
        Throws:
        java.io.IOException

      • decodeMacroBlockRow

        private void decodeMacroBlockRow​(int mbRow,
                                 java.awt.image.WritableRaster raster,
                                 java.awt.Rectangle region,
                                 int xSubsampling,
                                 int ySubsampling)
                          throws java.io.IOException
        Throws:
        java.io.IOException

      • fireProgressUpdate

        private void fireProgressUpdate​(int mbRow)

      • getBitAsInt

        private int getBitAsInt​(int data,
                        int bit)

      • getCoefProbs

        int[][][][] getCoefProbs()

      • getDebugImageDiff

        public java.awt.image.BufferedImage getDebugImageDiff()

      • getDebugImagePredict

        public java.awt.image.BufferedImage getDebugImagePredict()

      • getDebugImageUBuffer

        public java.awt.image.BufferedImage getDebugImageUBuffer()

      • getDebugImageUDiffBuffer

        public java.awt.image.BufferedImage getDebugImageUDiffBuffer()

      • getDebugImageUPredBuffer

        public java.awt.image.BufferedImage getDebugImageUPredBuffer()

      • getDebugImageVBuffer

        public java.awt.image.BufferedImage getDebugImageVBuffer()

      • getDebugImageVDiffBuffer

        public java.awt.image.BufferedImage getDebugImageVDiffBuffer()

      • getDebugImageVPredBuffer

        public java.awt.image.BufferedImage getDebugImageVPredBuffer()

      • getDebugImageYBuffer

        public java.awt.image.BufferedImage getDebugImageYBuffer()

      • getDebugImageYDiffBuffer

        public java.awt.image.BufferedImage getDebugImageYDiffBuffer()

      • getDebugImageYPredBuffer

        public java.awt.image.BufferedImage getDebugImageYPredBuffer()

      • getFrameType

        public int getFrameType()

      • getWidth

        public int getWidth()

      • getHeight

        public int getHeight()

      • getMacroBlock

        MacroBlock getMacroBlock​(int mbCol,
                         int mbRow)

      • getMacroBlockCols

        public int getMacroBlockCols()

      • getMacroBlockDebugString

        public java.lang.String getMacroBlockDebugString​(int mbx,
                                                 int mby,
                                                 int sbx,
                                                 int sby)

      • getMacroBlockRows

        public int getMacroBlockRows()

      • getQIndex

        public int getQIndex()

      • getSharpnessLevel

        public int getSharpnessLevel()

      • getTokenBoolDecoder

        public BoolDecoder getTokenBoolDecoder()
                                throws java.io.IOException
        Throws:
        java.io.IOException

      • readModes

        private void readModes​(BoolDecoder bc)
                throws java.io.IOException
        Throws:
        java.io.IOException

      • readPartitionSize

        private int readPartitionSize​(long l)
                       throws java.io.IOException
        Throws:
        java.io.IOException

      • readSubBlockMode

        private int readSubBlockMode​(BoolDecoder bc,
                             int A,
                             int L)
                      throws java.io.IOException
        Throws:
        java.io.IOException

      • readUvMode

        private int readUvMode​(BoolDecoder bc)
                throws java.io.IOException
        Throws:
        java.io.IOException

      • readYMode

        private int readYMode​(BoolDecoder bc)
               throws java.io.IOException
        Throws:
        java.io.IOException

      • setupTokenDecoder

        private void setupTokenDecoder​(BoolDecoder bc,
                               int first_partition_length_in_bytes,
                               long offset)
                        throws java.io.IOException
        Throws:
        java.io.IOException

      • copyBlock

        private void copyBlock​(MacroBlock macroBlock,
                       java.awt.image.WritableRaster byteRGBRaster,
                       java.awt.Rectangle region,
                       int xSubsampling,
                       int ySubsampling)