[1.5] Set from DOS eol to UNIX eol
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Mathieu Malaterre
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===============================================================================
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===============================================================================
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JPEG2000 Part 11 (ISO/IEC 15444-11 JPWL) Software
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JPEG2000 Part 11 (ISO/IEC 15444-11 JPWL) Software
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Version 20061213
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Version 20061213
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===============================================================================
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===============================================================================
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1. Scope
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1. Scope
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=============
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=============
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This document describes the installation and use of the JPWL module in the framework of OpenJPEG library.
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This document describes the installation and use of the JPWL module in the framework of OpenJPEG library.
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This implementation has been developed from OpenJPEG implementation of JPEG2000 standard, and for this reason it is written in C language.
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This implementation has been developed from OpenJPEG implementation of JPEG2000 standard, and for this reason it is written in C language.
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If you find some bugs or if you have problems using the encoder/decoder, please send an e-mail to jpwl@diei.unipg.it
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If you find some bugs or if you have problems using the encoder/decoder, please send an e-mail to jpwl@diei.unipg.it
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2. Installing the code
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2. Installing the code
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==========================
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==========================
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The JPWL code is integrated with the standard OpenJPEG library and codecs: it is activated by setting the macro USE_JPWL to defined in the preprocessor configuration options of your preferred C compiler.
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The JPWL code is integrated with the standard OpenJPEG library and codecs: it is activated by setting the macro USE_JPWL to defined in the preprocessor configuration options of your preferred C compiler.
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2.1. Compiling the source code in Windows
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2.1. Compiling the source code in Windows
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-------------------------------------------
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-------------------------------------------
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The "jpwl" directory is already populated with a couple of Visual C++ 6.0 workspaces
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The "jpwl" directory is already populated with a couple of Visual C++ 6.0 workspaces
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* JPWL_image_to_j2k.dsw - Creates the encoder with JPWL functionalities
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* JPWL_image_to_j2k.dsw - Creates the encoder with JPWL functionalities
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* JPWL_j2k_to_image.dsw - Creates the decoder with JPWL functionalities
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* JPWL_j2k_to_image.dsw - Creates the decoder with JPWL functionalities
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2.2. Compiling the source code in Unix-like systems
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2.2. Compiling the source code in Unix-like systems
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-----------------------------------------------------
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-----------------------------------------------------
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Under linux, enter the jpwl directory and type "make clean" and "make".
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Under linux, enter the jpwl directory and type "make clean" and "make".
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3. Running the JPWL software
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3. Running the JPWL software
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=========================
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=========================
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The options available at the command line are exactly the same of the base OpenJPEG codecs. In addition, there is a "-W" switch that activates JPWL functionalities.
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The options available at the command line are exactly the same of the base OpenJPEG codecs. In addition, there is a "-W" switch that activates JPWL functionalities.
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3.1. JPWL Encoder
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3.1. JPWL Encoder
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-------------------
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-------------------
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-W : adoption of JPWL (Part 11) capabilities (-W params)
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-W : adoption of JPWL (Part 11) capabilities (-W params)
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The parameters can be written and repeated in any order:
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The parameters can be written and repeated in any order:
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[h<tile><=type>,s<tile><=method>,a=<addr>,z=<size>,g=<range>,...
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[h<tile><=type>,s<tile><=method>,a=<addr>,z=<size>,g=<range>,...
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...,p<tile:pack><=type>]
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...,p<tile:pack><=type>]
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h selects the header error protection (EPB): 'type' can be
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h selects the header error protection (EPB): 'type' can be
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[0=none 1,absent=predefined 16=CRC-16 32=CRC-32 37-128=RS]
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[0=none 1,absent=predefined 16=CRC-16 32=CRC-32 37-128=RS]
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if 'tile' is absent, it applies to main and tile headers
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if 'tile' is absent, it applies to main and tile headers
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if 'tile' is present, it applies from that tile
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if 'tile' is present, it applies from that tile
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onwards, up to the next h<tile> spec, or to the last tile
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onwards, up to the next h<tile> spec, or to the last tile
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in the codestream (max. 16 specs)
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in the codestream (max. 16 specs)
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p selects the packet error protection (EEP/UEP with EPBs)
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p selects the packet error protection (EEP/UEP with EPBs)
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to be applied to raw data: 'type' can be
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to be applied to raw data: 'type' can be
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[0=none 1,absent=predefined 16=CRC-16 32=CRC-32 37-128=RS]
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[0=none 1,absent=predefined 16=CRC-16 32=CRC-32 37-128=RS]
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if 'tile:pack' is absent, it starts from tile 0, packet 0
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if 'tile:pack' is absent, it starts from tile 0, packet 0
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if 'tile:pack' is present, it applies from that tile
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if 'tile:pack' is present, it applies from that tile
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and that packet onwards, up to the next packet spec
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and that packet onwards, up to the next packet spec
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or to the last packet in the last tile in the codestream
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or to the last packet in the last tile in the codestream
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(max. 16 specs)
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(max. 16 specs)
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s enables sensitivity data insertion (ESD): 'method' can be
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s enables sensitivity data insertion (ESD): 'method' can be
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[-1=NO ESD 0=RELATIVE ERROR 1=MSE 2=MSE REDUCTION 3=PSNR
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[-1=NO ESD 0=RELATIVE ERROR 1=MSE 2=MSE REDUCTION 3=PSNR
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4=PSNR INCREMENT 5=MAXERR 6=TSE 7=RESERVED]
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4=PSNR INCREMENT 5=MAXERR 6=TSE 7=RESERVED]
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if 'tile' is absent, it applies to main header only
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if 'tile' is absent, it applies to main header only
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if 'tile' is present, it applies from that tile
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if 'tile' is present, it applies from that tile
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onwards, up to the next s<tile> spec, or to the last tile
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onwards, up to the next s<tile> spec, or to the last tile
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in the codestream (max. 16 specs)
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in the codestream (max. 16 specs)
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g determines the addressing mode: <range> can be
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g determines the addressing mode: <range> can be
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[0=PACKET 1=BYTE RANGE 2=PACKET RANGE]
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[0=PACKET 1=BYTE RANGE 2=PACKET RANGE]
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a determines the size of data addressing: <addr> can be
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a determines the size of data addressing: <addr> can be
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2/4 bytes (small/large codestreams). If not set, auto-mode
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2/4 bytes (small/large codestreams). If not set, auto-mode
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z determines the size of sensitivity values: <size> can be
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z determines the size of sensitivity values: <size> can be
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1/2 bytes, for the transformed pseudo-floating point value
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1/2 bytes, for the transformed pseudo-floating point value
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ex.:
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ex.:
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h,h0=64,h3=16,h5=32,p0=78,p0:24=56,p1,p3:0=0,p3:20=32,s=0,s0=6,s3=-1,a=0,g=1,z=1
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h,h0=64,h3=16,h5=32,p0=78,p0:24=56,p1,p3:0=0,p3:20=32,s=0,s0=6,s3=-1,a=0,g=1,z=1
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means
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means
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predefined EPB in MH, rs(64,32) from TPH 0 to TPH 2,
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predefined EPB in MH, rs(64,32) from TPH 0 to TPH 2,
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CRC-16 in TPH 3 and TPH 4, CRC-32 in remaining TPHs,
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CRC-16 in TPH 3 and TPH 4, CRC-32 in remaining TPHs,
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UEP rs(78,32) for packets 0 to 23 of tile 0,
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UEP rs(78,32) for packets 0 to 23 of tile 0,
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UEP rs(56,32) for packets 24 to the last of tile 0,
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UEP rs(56,32) for packets 24 to the last of tile 0,
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UEP rs default for packets of tile 1,
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UEP rs default for packets of tile 1,
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no UEP for packets 0 to 19 of tile 3,
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no UEP for packets 0 to 19 of tile 3,
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UEP CRC-32 for packets 20 of tile 3 to last tile,
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UEP CRC-32 for packets 20 of tile 3 to last tile,
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relative sensitivity ESD for MH,
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relative sensitivity ESD for MH,
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TSE ESD from TPH 0 to TPH 2, byte range with automatic
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TSE ESD from TPH 0 to TPH 2, byte range with automatic
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size of addresses and 1 byte for each sensitivity value
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size of addresses and 1 byte for each sensitivity value
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ex.:
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ex.:
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h,s,p
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h,s,p
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means
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means
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default protection to headers (MH and TPHs) as well as
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default protection to headers (MH and TPHs) as well as
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data packets, one ESD in MH
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data packets, one ESD in MH
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N.B.: use the following recommendations when specifying
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N.B.: use the following recommendations when specifying
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the JPWL parameters list
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the JPWL parameters list
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- when you use UEP, always pair the 'p' option with 'h'
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- when you use UEP, always pair the 'p' option with 'h'
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3.2. JPWL Decoder
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3.2. JPWL Decoder
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-------------------
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-------------------
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-W <options>
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-W <options>
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Activates the JPWL correction capability, if the codestream complies.
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Activates the JPWL correction capability, if the codestream complies.
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Options can be a comma separated list of <param=val> tokens:
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Options can be a comma separated list of <param=val> tokens:
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c, c=numcomps
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c, c=numcomps
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numcomps is the number of expected components in the codestream
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numcomps is the number of expected components in the codestream
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(search of first EPB rely upon this, default is 3)
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(search of first EPB rely upon this, default is 3)
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4. Known bugs and limitations
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4. Known bugs and limitations
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===============================
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===============================
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4.1. Bugs
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4.1. Bugs
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-----------
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-----------
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* It is not possible to save a JPWL encoded codestream using the wrapped file format (i.e. JP2): only raw file format (i.e. J2K) is working
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* It is not possible to save a JPWL encoded codestream using the wrapped file format (i.e. JP2): only raw file format (i.e. J2K) is working
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4.2. Limitations
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4.2. Limitations
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------------------
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------------------
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* When specifying an UEP protection, you need to activate even TPH protection for those tiles where there is a protection of the packets
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* When specifying an UEP protection, you need to activate even TPH protection for those tiles where there is a protection of the packets
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* RED insertion is not currently implemented at the decoder
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* RED insertion is not currently implemented at the decoder
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* JPWL at entropy coding level is not implemented
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* JPWL at entropy coding level is not implemented
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@ -1,160 +1,160 @@
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/*
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/*
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* Copyright (c) 2001-2003, David Janssens
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* Copyright (c) 2001-2003, David Janssens
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
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* Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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* Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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* Copyright (c) 2005-2006, Dept. of Electronic and Information Engineering, Universita' degli Studi di Perugia, Italy
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* Copyright (c) 2005-2006, Dept. of Electronic and Information Engineering, Universita' degli Studi di Perugia, Italy
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* All rights reserved.
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* All rights reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* modification, are permitted provided that the following conditions
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* are met:
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* documentation and/or other materials provided with the distribution.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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*/
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#ifdef USE_JPWL
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#ifdef USE_JPWL
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#include "crc.h"
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#include "crc.h"
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/**
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/**
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@file crc.c
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@file crc.c
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@brief Functions used to compute the 16- and 32-bit CRC of byte arrays
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@brief Functions used to compute the 16- and 32-bit CRC of byte arrays
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*/
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*/
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/** file: CRC16.CPP
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/** file: CRC16.CPP
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*
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*
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* CRC - Cyclic Redundancy Check (16-bit)
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* CRC - Cyclic Redundancy Check (16-bit)
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*
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*
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* A CRC-checksum is used to be sure, the data hasn't changed or is false.
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* A CRC-checksum is used to be sure, the data hasn't changed or is false.
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* To create a CRC-checksum, initialise a check-variable (unsigned short),
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* To create a CRC-checksum, initialise a check-variable (unsigned short),
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* and set this to zero. Than call for every byte in the file (e.g.) the
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* and set this to zero. Than call for every byte in the file (e.g.) the
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* procedure updateCRC16 with this check-variable as the first parameter,
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* procedure updateCRC16 with this check-variable as the first parameter,
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* and the byte as the second. At the end, the check-variable contains the
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* and the byte as the second. At the end, the check-variable contains the
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* CRC-checksum.
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* CRC-checksum.
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*
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*
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* implemented by Michael Neumann, 14.06.1998
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* implemented by Michael Neumann, 14.06.1998
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*
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*
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*/
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*/
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const unsigned short CRC16_table[256] = {
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const unsigned short CRC16_table[256] = {
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0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
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0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
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0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
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0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
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0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
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0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
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0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
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0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
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0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
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0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
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0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
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0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
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0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
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0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
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0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
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0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
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0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
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0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
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0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
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0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
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0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
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0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
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0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
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0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
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0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
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0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
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0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
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0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
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0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
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0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
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0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
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0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
|
||||||
0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
|
0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
|
||||||
0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
|
0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
|
||||||
0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
|
0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
|
||||||
0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
|
0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
|
||||||
0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
|
0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
|
||||||
0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
|
0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
|
||||||
0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
|
0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
|
||||||
0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
|
0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
|
||||||
0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
|
0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
|
||||||
0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
|
0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
|
||||||
0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
|
0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
|
||||||
0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
|
0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
|
||||||
0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
|
0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
|
||||||
0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
|
0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
|
||||||
0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
|
0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
|
||||||
0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
|
0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
|
||||||
};
|
};
|
||||||
|
|
||||||
void updateCRC16(unsigned short *crc, unsigned char data) {
|
void updateCRC16(unsigned short *crc, unsigned char data) {
|
||||||
*crc = CRC16_table[(*crc >> 8) & 0xFF] ^ (*crc << 8) ^ data;
|
*crc = CRC16_table[(*crc >> 8) & 0xFF] ^ (*crc << 8) ^ data;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
/** file: CRC32.CPP
|
/** file: CRC32.CPP
|
||||||
*
|
*
|
||||||
* CRC - Cyclic Redundancy Check (32-bit)
|
* CRC - Cyclic Redundancy Check (32-bit)
|
||||||
*
|
*
|
||||||
* A CRC-checksum is used to be sure, the data hasn't changed or is false.
|
* A CRC-checksum is used to be sure, the data hasn't changed or is false.
|
||||||
* To create a CRC-checksum, initialise a check-variable (unsigned long),
|
* To create a CRC-checksum, initialise a check-variable (unsigned long),
|
||||||
* and set this to zero. Than call for every byte in the file (e.g.) the
|
* and set this to zero. Than call for every byte in the file (e.g.) the
|
||||||
* procedure updateCRC32 with this check-variable as the first parameter,
|
* procedure updateCRC32 with this check-variable as the first parameter,
|
||||||
* and the byte as the second. At the end, the check-variable contains the
|
* and the byte as the second. At the end, the check-variable contains the
|
||||||
* CRC-checksum.
|
* CRC-checksum.
|
||||||
*
|
*
|
||||||
* implemented by Michael Neumann, 14.06.1998
|
* implemented by Michael Neumann, 14.06.1998
|
||||||
*
|
*
|
||||||
*/
|
*/
|
||||||
const unsigned long CRC32_table[256] = {
|
const unsigned long CRC32_table[256] = {
|
||||||
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
|
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
|
||||||
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
|
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
|
||||||
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
|
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
|
||||||
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
|
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
|
||||||
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
|
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
|
||||||
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
|
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
|
||||||
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
|
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
|
||||||
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
|
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
|
||||||
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
|
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
|
||||||
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
|
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
|
||||||
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
|
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
|
||||||
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
|
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
|
||||||
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
|
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
|
||||||
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
|
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
|
||||||
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
|
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
|
||||||
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
|
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
|
||||||
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
|
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
|
||||||
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
|
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
|
||||||
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
|
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
|
||||||
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
|
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
|
||||||
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
|
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
|
||||||
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
|
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
|
||||||
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
|
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
|
||||||
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
|
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
|
||||||
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
|
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
|
||||||
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
|
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
|
||||||
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
|
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
|
||||||
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
|
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
|
||||||
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
|
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
|
||||||
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
|
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
|
||||||
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
|
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
|
||||||
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
|
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
|
||||||
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
|
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
|
||||||
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
|
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
|
||||||
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
|
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
|
||||||
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
|
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
|
||||||
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
|
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
|
||||||
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
|
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
|
||||||
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
|
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
|
||||||
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
|
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
|
||||||
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
|
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
|
||||||
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
|
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
|
||||||
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
|
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
|
||||||
};
|
};
|
||||||
|
|
||||||
void updateCRC32(unsigned long *crc, unsigned char data) {
|
void updateCRC32(unsigned long *crc, unsigned char data) {
|
||||||
*crc = CRC32_table[(unsigned char) *crc ^ data] ^ ((*crc >> 8) & 0x00FFFFFF);
|
*crc = CRC32_table[(unsigned char) *crc ^ data] ^ ((*crc >> 8) & 0x00FFFFFF);
|
||||||
};
|
};
|
||||||
|
|
||||||
#endif /* USE_JPWL */
|
#endif /* USE_JPWL */
|
||||||
|
|
|
||||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue