TER.TERcoder.WriteFile.WriteSegments
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java.lang.Object
public class WriteSegments
This class writes the encoded segments into a file.
Usage example:
construct
setParameters
run
| Field Summary | |
|---|---|
(package private) int[] |
adjustHeaderParameters
Indicates if parameters in the header must be re-definied in order to improve compression performance. |
(package private) int[] |
bitDepthAC
Defintion in SegmentCode2D.bitDepthAC |
(package private) int[] |
bitDepthDC
Defintion in SegmentCode2D.bitDepthDC |
(package private) int[] |
bitPlaneStop
Defintion in SegmentCode2D.bitPlaneStop |
(package private) int[] |
blocksPerSegment
Defintion in SegmentCode2D.blocksPerSegment |
(package private) BitStream[][] |
codedBitDepthACBlock
This array stores for each segment and gaggle the encoded bit depth of AC components of each block |
(package private) int[] |
codeWordLength
Indicates the coded word length for each segment |
(package private) float[][] |
customWeight
Defintion in ForwardWeighting.customWeight |
(package private) int[] |
customWtFlag
Defintion in ForwardWeighting.customWtFlag |
(package private) int[] |
DCStop
Defintion in SegmentCode2D.DCStop |
(package private) java.io.RandomAccessFile |
fOut
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(package private) BitStream[][] |
initialCodedDC
This array stores for each segment and gaggle the initial coding of DC quantized components |
(package private) int[] |
optACSelect
Definition in SegmentCode2D.optACSelect |
(package private) int[] |
optDCSelect
Definition in SegmentCode2D.optDCSelect |
protected java.lang.String |
outFile
Definition in Coder.outFile |
(package private) int[] |
padRows
Defintion in ImageExtension.padRows |
(package private) boolean |
parametersSet
To know if parameters are set. |
(package private) int[] |
part2Flag
Indicates for each segment the presence of Part 2 header |
(package private) int[] |
part3Flag
Indicates for each segment the presence of Part 3 header |
(package private) int[] |
part4Flag
Indicates for each segment the presence of Part 4 header |
(package private) int[] |
pixelBitDepth
Defintion in Coder.pixelBitDepth |
(package private) int[] |
progressionOrder
This integer indicates the progression order for each encoded segment. |
(package private) BitStream[][][][][] |
refinementAC
This array stores for each segment, gaggle, bitplane, block and resolution level the refinement of AC components refinementAC[segment][gaggle][bitPlane][block][resolutionLevel] |
(package private) BitStream[][][] |
refinementDC
This array stores for each segment, gaggle and bitplane the refinement of DC components |
(package private) int[] |
resolutionLevels
Definition in SegmentCode2D.resolutionLevels |
(package private) int[] |
segByteLimit
Defintion in SegmentCode2D.segByteLimit |
(package private) int[] |
signedPixels
Defintion in Coder.signedPixels |
(package private) BitStream[][][][] |
sortingAC
This array stores for each segment, gaggle, bitplane and resolution level the encoded significance of AC components of the segment sortingAC[segment][gaggle][bitPlane][resolutionLevel] |
(package private) int[] |
stageStop
Defintion in SegmentCode2D.stageStop |
(package private) int[] |
transposeImg
Defintion in TransposeImage.transposeImg |
(package private) int[] |
truncationPoints
Defintion in InterleaveSegment.truncationPoints |
(package private) int[] |
useFill
Indicates for each segment whether fill bits will be used to produce segByteLimit bytes in a segment |
(package private) int[] |
WTType
Defintion in ForwardWaveletTransform.WTTypes |
(package private) int |
xOriginalSize
Image width. |
| Constructor Summary | |
|---|---|
WriteSegments()
Constructor of WriteSegments |
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| Method Summary | |
|---|---|
private void |
adjustHeaderFlags(int segmentId)
In case that some parameters must be redefined, here we asure that the parts of the header containing such parameters will be included. |
void |
run()
Creates the encoded file according with the progression given by the user |
void |
setParameters(java.lang.String outFile,
BitStream[][] initialCodedDC,
BitStream[][] codedBitDepthACBlock,
BitStream[][][] refinementDC,
BitStream[][][][] sortingAC,
BitStream[][][][][] refinementAC,
int[] resolutionLevels,
int[] progressionOrder,
int[] truncationPoints,
int[] adjustHeaderParameters,
int[] bitDepthDC,
int[] bitDepthAC,
int[] part2Flag,
int[] part3Flag,
int[] part4Flag,
int[] padRows,
int[] segByteLimit,
int[] DCStop,
int[] bitPlaneStop,
int[] stageStop,
int[] useFill,
int[] blocksPerSegment,
int[] optDCSelect,
int[] optACSelect,
int[] WTType,
int[] signedPixels,
int[] pixelBitDepth,
int xOriginalSize,
int[] transposeImg,
int[] codeWordLength,
int[] customWtFlag,
float[][] customWeight)
Set the parameters required to create the encoded file |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
BitStream[][] initialCodedDC
BitStream[][] codedBitDepthACBlock
BitStream[][][] refinementDC
BitStream[][][][] sortingAC
BitStream[][][][][] refinementAC
int[] resolutionLevels
SegmentCode2D.resolutionLevels
int[] progressionOrder
Valid values are:
boolean parametersSet
True indicates that they are set otherwise false.
protected java.lang.String outFile
Coder.outFile
int[] truncationPoints
InterleaveSegment.truncationPoints
int[] adjustHeaderParameters
Valid values are:
int[] bitDepthDC
SegmentCode2D.bitDepthDC
int[] bitDepthAC
SegmentCode2D.bitDepthAC
int[] part2Flag
Valid values are:
int[] part3Flag
Valid values are:
int[] part4Flag
Valid values are:
int[] padRows
ImageExtension.padRows
int[] segByteLimit
SegmentCode2D.segByteLimit
int[] DCStop
SegmentCode2D.DCStop
int[] bitPlaneStop
SegmentCode2D.bitPlaneStop
int[] stageStop
SegmentCode2D.stageStop
int[] useFill
Valid values for wl DWT levels are:
int[] blocksPerSegment
SegmentCode2D.blocksPerSegment
int[] optDCSelect
SegmentCode2D.optDCSelect
int[] optACSelect
SegmentCode2D.optACSelect
int[] WTType
ForwardWaveletTransform.WTTypes
int[] signedPixels
Coder.signedPixels
int[] pixelBitDepth
Coder.pixelBitDepth
int xOriginalSize
Negative values are not allowed for this field.
int[] transposeImg
TransposeImage.transposeImg
int[] codeWordLength
Valid values are:
int[] customWtFlag
ForwardWeighting.customWtFlag
float[][] customWeight
ForwardWeighting.customWeight
java.io.RandomAccessFile fOut
| Constructor Detail |
|---|
public WriteSegments()
| Method Detail |
|---|
public void setParameters(java.lang.String outFile,
BitStream[][] initialCodedDC,
BitStream[][] codedBitDepthACBlock,
BitStream[][][] refinementDC,
BitStream[][][][] sortingAC,
BitStream[][][][][] refinementAC,
int[] resolutionLevels,
int[] progressionOrder,
int[] truncationPoints,
int[] adjustHeaderParameters,
int[] bitDepthDC,
int[] bitDepthAC,
int[] part2Flag,
int[] part3Flag,
int[] part4Flag,
int[] padRows,
int[] segByteLimit,
int[] DCStop,
int[] bitPlaneStop,
int[] stageStop,
int[] useFill,
int[] blocksPerSegment,
int[] optDCSelect,
int[] optACSelect,
int[] WTType,
int[] signedPixels,
int[] pixelBitDepth,
int xOriginalSize,
int[] transposeImg,
int[] codeWordLength,
int[] customWtFlag,
float[][] customWeight)
outFile - definition in Coder.outFileinitialCodedDC - definition in initialCodedDCcodedBitDepthACBlock - definition in codedBitDepthACBlockrefinementDC - definition in refinementDCsortingAC - definition in sortingACrefinementAC - definition in refinementACresolutionLevels - definition in SegmentCode2D.resolutionLevelsprogressionOrder - definition in progressionOrdertruncationPoints - definition in truncationPointsadjustHeaderParameters - definition in adjustHeaderParametersbitDepthDC - definition in SegmentCode2D.bitDepthDCbitDepthAC - definition in SegmentCode2D.bitDepthACpart2Flag - definition in part2Flagpart3Flag - definition in part3Flagpart4Flag - definition in part4FlagpadRows - definition in ImageExtension.padRowssegByteLimit - definition in Defintion in SegmentCode2D.segByteLimitDCStop - definition in SegmentCode2D.DCStopbitPlaneStop - definition in SegmentCode2D.bitPlaneStopstageStop - definition in SegmentCode2D.stageStopuseFill - definition in useFillblocksPerSegment - definition in SegmentCode2D.blocksPerSegmentoptDCSelect - definition in SegmentCode2D.optDCSelectoptACSelect - definition in SegmentCode2D.optACSelectWTType - definition in ForwardWaveletTransform.WTTypessignedPixels - definition in Coder.signedPixelspixelBitDepth - definition in Coder.pixelBitDepthxOriginalSize - definition in xOriginalSizetransposeImg - definition in TransposeImage.transposeImgcodeWordLength - definition in codeWordLengthcustomWtFlag - definition in ForwardWeighting.customWtFlagcustomWeight - definition in ForwardWeighting.customWeight
public void run()
throws java.lang.Exception
java.lang.Exception - when something goes wrong and segments cannot be writtenprivate void adjustHeaderFlags(int segmentId)
segmentId - this integer indicates the number of the segment that is being written
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