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Code Editor : MinoltaRaw.pm
#------------------------------------------------------------------------------ # File: MinoltaRaw.pm # # Description: Read/write Konica-Minolta RAW (MRW) meta information # # Revisions: 03/11/2006 - P. Harvey Split out from Minolta.pm # # References: 1) http://www.cybercom.net/~dcoffin/dcraw/ # 2) http://www.chauveau-central.net/mrw-format/ # 3) Igal Milchtaich private communication (A100) #------------------------------------------------------------------------------ package Image::ExifTool::MinoltaRaw; use strict; use vars qw($VERSION); use Image::ExifTool qw(:DataAccess :Utils); use Image::ExifTool::Minolta; $VERSION = '1.16'; sub ProcessMRW($$;$); sub WriteMRW($$;$); # Minolta MRW tags %Image::ExifTool::MinoltaRaw::Main = ( GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' }, PROCESS_PROC => \&Image::ExifTool::MinoltaRaw::ProcessMRW, WRITE_PROC => \&Image::ExifTool::MinoltaRaw::WriteMRW, NOTES => 'These tags are used in Minolta RAW format (MRW) images.', "\0TTW" => { # TIFF Tags Name => 'MinoltaTTW', SubDirectory => { TagTable => 'Image::ExifTool::Exif::Main', # this EXIF information starts with a TIFF header ProcessProc => \&Image::ExifTool::ProcessTIFF, WriteProc => \&Image::ExifTool::WriteTIFF, }, }, "\0PRD" => { # Raw Picture Dimensions Name => 'MinoltaPRD', SubDirectory => { TagTable => 'Image::ExifTool::MinoltaRaw::PRD' }, }, "\0WBG" => { # White Balance Gains Name => 'MinoltaWBG', SubDirectory => { TagTable => 'Image::ExifTool::MinoltaRaw::WBG' }, }, "\0RIF" => { # Requested Image Format Name => 'MinoltaRIF', SubDirectory => { TagTable => 'Image::ExifTool::MinoltaRaw::RIF' }, }, # "\0CSA" is padding ); # Minolta MRW PRD information (ref 2) %Image::ExifTool::MinoltaRaw::PRD = ( PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData, WRITE_PROC => \&Image::ExifTool::WriteBinaryData, CHECK_PROC => \&Image::ExifTool::CheckBinaryData, WRITABLE => 1, GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' }, DATAMEMBER => [ 0 ], FIRST_ENTRY => 0, 0 => { Name => 'FirmwareID', Format => 'string[8]', RawConv => '$$self{MinoltaPRD} = 1 if $$self{FILE_TYPE} eq "MRW"; $val', # used in decoding RIF info }, 8 => { Name => 'SensorHeight', Format => 'int16u', }, 10 => { Name => 'SensorWidth', Format => 'int16u', }, 12 => { Name => 'ImageHeight', Format => 'int16u', }, 14 => { Name => 'ImageWidth', Format => 'int16u', }, 16 => { Name => 'RawDepth', Format => 'int8u', }, 17 => { Name => 'BitDepth', Format => 'int8u', }, 18 => { Name => 'StorageMethod', Format => 'int8u', PrintConv => { 82 => 'Padded', 89 => 'Linear', }, }, 23 => { Name => 'BayerPattern', Format => 'int8u', PrintConv => { # 0 - seen in some Sony A850 ARW images 1 => 'RGGB', 4 => 'GBRG', }, }, ); # Minolta MRW WBG information (ref 2) %Image::ExifTool::MinoltaRaw::WBG = ( PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData, WRITE_PROC => \&Image::ExifTool::WriteBinaryData, CHECK_PROC => \&Image::ExifTool::CheckBinaryData, WRITABLE => 1, GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' }, FIRST_ENTRY => 0, 0 => { Name => 'WBScale', Format => 'int8u[4]', }, 4 => [ { Condition => '$$self{Model} =~ /DiMAGE A200\b/', Name => 'WB_GBRGLevels', Format => 'int16u[4]', Notes => 'DiMAGE A200', }, { Name => 'WB_RGGBLevels', Format => 'int16u[4]', Notes => 'other models', }, ], ); # Minolta MRW RIF information (ref 2) %Image::ExifTool::MinoltaRaw::RIF = ( PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData, WRITE_PROC => \&Image::ExifTool::WriteBinaryData, CHECK_PROC => \&Image::ExifTool::CheckBinaryData, WRITABLE => 1, GROUPS => { 0 => 'MakerNotes', 2 => 'Image' }, FIRST_ENTRY => 0, 1 => { Name => 'Saturation', Format => 'int8s', }, 2 => { Name => 'Contrast', Format => 'int8s', }, 3 => { Name => 'Sharpness', Format => 'int8s', }, 4 => { Name => 'WBMode', PrintConv => 'Image::ExifTool::MinoltaRaw::ConvertWBMode($val)', }, 5 => { Name => 'ProgramMode', PrintConv => { 0 => 'None', 1 => 'Portrait', 2 => 'Text', 3 => 'Night Portrait', 4 => 'Sunset', 5 => 'Sports', # have seen these values in Sony ARW images: - PH # 7, 128, 129, 160 }, }, 6 => { Name => 'ISOSetting', RawConv => '$val == 255 ? undef : $val', PrintConv => { #3 0 => 'Auto', 48 => 100, 56 => 200, 64 => 400, 72 => 800, 80 => 1600, 174 => '80 (Zone Matching Low)', 184 => '200 (Zone Matching High)', OTHER => sub { my ($val, $inv) = @_; return int(2 ** (($val-48)/8) * 100 + 0.5) unless $inv; # (must check for zero below in inverse conversion) return 48 + 8*log($val/100)/log(2) if Image::ExifTool::IsFloat($val) and $val != 0; return undef; }, }, #ValueConv => '2 ** (($val-48)/8) * 100', #ValueConvInv => '48 + 8*log($val/100)/log(2)', #PrintConv => 'int($val + 0.5)', #PrintConvInv => '$val', }, 7 => [ { Name => 'ColorMode', Condition => '$$self{Make} !~ /^SONY/', Priority => 0, Writable => 'int32u', PrintConv => \%Image::ExifTool::Minolta::minoltaColorMode, }, { #3 Name => 'ColorMode', Condition => '$$self{Model} eq "DSLR-A100"', Writable => 'int32u', Notes => 'Sony A100', Priority => 0, PrintHex => 1, PrintConv => \%Image::ExifTool::Minolta::sonyColorMode, }, ], # NOTE: WB_RBLevels up to Custom also apply to Minolta models which write PRD info (ref IB) 8 => { #3 Name => 'WB_RBLevelsTungsten', Condition => '$$self{Model} eq "DSLR-A100" or $$self{MinoltaPRD}', Format => 'int16u[2]', Notes => 'these WB_RBLevels currently decoded only for the Sony A100', }, 12 => { #3 Name => 'WB_RBLevelsDaylight', Condition => '$$self{Model} eq "DSLR-A100" or $$self{MinoltaPRD}', Format => 'int16u[2]', }, 16 => { #3 Name => 'WB_RBLevelsCloudy', Condition => '$$self{Model} eq "DSLR-A100" or $$self{MinoltaPRD}', Format => 'int16u[2]', }, 20 => { #3 Name => 'WB_RBLevelsCoolWhiteF', Condition => '$$self{Model} eq "DSLR-A100" or $$self{MinoltaPRD}', Format => 'int16u[2]', }, 24 => { #3 Name => 'WB_RBLevelsFlash', Condition => '$$self{Model} eq "DSLR-A100" or $$self{MinoltaPRD}', Format => 'int16u[2]', }, 28 => { #3 Name => 'WB_RBLevelsCustom', #IB Condition => '$$self{Model} eq "DSLR-A100" or $$self{MinoltaPRD}', Format => 'int16u[2]', }, 32 => { #3 Name => 'WB_RBLevelsShade', Condition => '$$self{Model} eq "DSLR-A100"', Format => 'int16u[2]', }, 36 => { #3 Name => 'WB_RBLevelsDaylightF', Condition => '$$self{Model} eq "DSLR-A100"', Format => 'int16u[2]', }, 40 => { #3 Name => 'WB_RBLevelsDayWhiteF', Condition => '$$self{Model} eq "DSLR-A100"', Format => 'int16u[2]', }, 44 => { #3 Name => 'WB_RBLevelsWhiteF', Condition => '$$self{Model} eq "DSLR-A100"', Format => 'int16u[2]', }, 56 => { Name => 'ColorFilter', Condition => '$$self{Make} !~ /^SONY/', Format => 'int8s', Notes => 'Minolta models', }, 57 => 'BWFilter', 58 => { Name => 'ZoneMatching', Condition => '$$self{Make} !~ /^SONY/', Priority => 0, Notes => 'Minolta models', PrintConv => { 0 => 'ISO Setting Used', 1 => 'High Key', 2 => 'Low Key', }, }, 59 => { Name => 'Hue', Format => 'int8s', }, 60 => { Name => 'ColorTemperature', Condition => '$$self{Make} !~ /^SONY/', Notes => 'Minolta models', ValueConv => '$val * 100', ValueConvInv => '$val / 100', }, 74 => { #3 Name => 'ZoneMatching', Condition => '$$self{Make} =~ /^SONY/', Priority => 0, Notes => 'Sony models', PrintConv => { 0 => 'ISO Setting Used', 1 => 'High Key', 2 => 'Low Key', }, }, 76 => { #3 Name => 'ColorTemperature', Condition => '$$self{Model} eq "DSLR-A100"', Notes => 'A100', ValueConv => '$val * 100', ValueConvInv => '$val / 100', PrintConv => '$val ? $val : "Auto"', PrintConvInv => '$val=~/Auto/i ? 0 : $val', }, 77 => { #3 Name => 'ColorFilter', Condition => '$$self{Model} eq "DSLR-A100"', Notes => 'A100', }, 78 => { #3 Name => 'ColorTemperature', Condition => '$$self{Model} =~ /^DSLR-A(200|700)$/', Notes => 'A200 and A700', ValueConv => '$val * 100', ValueConvInv => '$val / 100', PrintConv => '$val ? $val : "Auto"', PrintConvInv => '$val=~/Auto/i ? 0 : $val', }, 79 => { #3 Name => 'ColorFilter', Condition => '$$self{Model} =~ /^DSLR-A(200|700)$/', Notes => 'A200 and A700', }, 80 => { #3 Name => 'RawDataLength', Condition => '$$self{Model} eq "DSLR-A100"', Format => 'int32u', Notes => 'A100', Writable => 0, }, ); #------------------------------------------------------------------------------ # PrintConv for WBMode sub ConvertWBMode($) { my $val = shift; my %mrwWB = ( 0 => 'Auto', 1 => 'Daylight', 2 => 'Cloudy', 3 => 'Tungsten', 4 => 'Flash/Fluorescent', 5 => 'Fluorescent', 6 => 'Shade', 7 => 'User 1', 8 => 'User 2', 9 => 'User 3', 10 => 'Temperature', ); my $lo = $val & 0x0f; my $wbstr = $mrwWB{$lo} || "Unknown ($lo)"; my $hi = $val >> 4; $wbstr .= ' (' . ($hi - 8) . ')' if $hi >= 6 and $hi <=12; return $wbstr; } #------------------------------------------------------------------------------ # Write MRW directory (eg. in ARW images) # Inputs: 0) ExifTool object ref, 1) dirInfo ref, 2) optional tag table ref # Returns: new MRW data or undef on error sub WriteMRW($$;$) { my ($et, $dirInfo, $tagTablePtr) = @_; $et or return 1; # allow dummy access my $buff = ''; $$dirInfo{OutFile} = \$buff; ProcessMRW($et, $dirInfo, $tagTablePtr) > 0 or undef $buff; return $buff; } #------------------------------------------------------------------------------ # Read or write Minolta MRW file # Inputs: 0) ExifTool object ref, 1) dirInfo ref, 2) optional tag table ref # Returns: 1 on success, 0 if this wasn't a valid MRW file, or -1 on write error # Notes: File pointer must be set to start of MRW in RAF upon entry sub ProcessMRW($$;$) { my ($et, $dirInfo, $tagTablePtr) = @_; my $raf = $$dirInfo{RAF}; my $outfile = $$dirInfo{OutFile}; my $verbose = $et->Options('Verbose'); my $out = $et->Options('TextOut'); my ($data, $err, $outBuff); if ($$dirInfo{DataPt}) { # make a RAF object for MRW information extracted from other file types $raf = new File::RandomAccess($$dirInfo{DataPt}); # MRW information in DNG images may not start at beginning of data block $raf->Seek($$dirInfo{DirStart}, 0) if $$dirInfo{DirStart}; } $raf->Read($data,8) == 8 or return 0; # "\0MRM" for big-endian (MRW images), and # "\0MRI" for little-endian (MRWInfo in ARW images) $data =~ /^\0MR([MI])/ or return 0; my $hdr = "\0MR$1"; SetByteOrder($1 . $1); $et->SetFileType(); $tagTablePtr = GetTagTable('Image::ExifTool::MinoltaRaw::Main'); if ($outfile) { $et->InitWriteDirs('TIFF'); # use same write dirs as TIFF $outBuff = ''; } my $pos = $raf->Tell(); my $offset = Get32u(\$data, 4) + $pos; my $rtnVal = 1; $verbose and printf $out " [MRW Data Offset: 0x%x]\n", $offset; # loop through MRW segments (ref 1) while ($pos < $offset) { $raf->Read($data,8) == 8 or $err = 1, last; $pos += 8; my $tag = substr($data, 0, 4); my $len = Get32u(\$data, 4); if ($verbose) { print $out "MRW ",$et->Printable($tag)," segment ($len bytes):\n"; if ($verbose > 2) { $raf->Read($data,$len) == $len and $raf->Seek($pos,0) or $err = 1, last; $et->VerboseDump(\$data); } } my $tagInfo = $et->GetTagInfo($tagTablePtr, $tag); if ($tagInfo and $$tagInfo{SubDirectory}) { my $subTable = GetTagTable($tagInfo->{SubDirectory}->{TagTable}); my $buff; # save shift for values stored with wrong base offset $$et{MRW_WrongBase} = -($raf->Tell()); $raf->Read($buff, $len) == $len or $err = 1, last; my %subdirInfo = ( DataPt => \$buff, DataLen => $len, DataPos => $pos, DirStart => 0, DirLen => $len, DirName => $$tagInfo{Name}, Parent => 'MRW', NoTiffEnd => 1, # no end-of-TIFF check ); if ($outfile) { my $writeProc = $tagInfo->{SubDirectory}->{WriteProc}; my $val = $et->WriteDirectory(\%subdirInfo, $subTable, $writeProc); if (defined $val and length $val) { # pad to an even 4 bytes (can't hurt, and it seems to be the standard) $val .= "\0" x (4 - (length($val) & 0x03)) if length($val) & 0x03; $outBuff .= $tag . Set32u(length $val) . $val; } elsif (not defined $val) { $outBuff .= $data . $buff; # copy over original information } } else { my $processProc = $tagInfo->{SubDirectory}->{ProcessProc}; $et->ProcessDirectory(\%subdirInfo, $subTable, $processProc); } } elsif ($outfile) { # add this segment to the output buffer my $buff; $raf->Read($buff, $len) == $len or $err = 1, last; $outBuff .= $data . $buff; } else { # skip this segment $raf->Seek($pos+$len, 0) or $err = 1, last; } $pos += $len; } $pos == $offset or $err = 1; # meta information length check if ($outfile) { # write the file header then the buffered meta information Write($outfile, $hdr, Set32u(length $outBuff), $outBuff) or $rtnVal = -1; # copy over image data while ($raf->Read($outBuff, 65536)) { Write($outfile, $outBuff) or $rtnVal = -1; } # Sony IDC utility corrupts MRWInfo when writing ARW images, # so make this a minor error for these images $err and $et->Error("MRW format error", $$et{TIFF_TYPE} eq 'ARW'); } else { $err and $et->Warn("MRW format error"); } return $rtnVal; } 1; # end __END__ =head1 NAME Image::ExifTool::MinoltaRaw - Read/write Konica-Minolta RAW (MRW) information =head1 SYNOPSIS This module is loaded automatically by Image::ExifTool when required. =head1 DESCRIPTION This module contains definitions required by Image::ExifTool to read and write Konica-Minolta RAW (MRW) images. =head1 AUTHOR Copyright 2003-2022, Phil Harvey (philharvey66 at gmail.com) This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. =head1 REFERENCES =over 4 =item L<http://www.cybercom.net/~dcoffin/dcraw/> =item L<http://www.chauveau-central.net/mrw-format/> =back =head1 SEE ALSO L<Image::ExifTool::TagNames/MinoltaRaw Tags>, L<Image::ExifTool::Minolta(3pm)|Image::ExifTool::Minolta>, L<Image::ExifTool(3pm)|Image::ExifTool> =cut
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