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- #------------------------------------------------------------------------------
- # 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 = '1.14';
- 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' },
- FIRST_ENTRY => 0,
- 0 => {
- Name => 'FirmwareID',
- Format => 'string[8]',
- },
- 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 => '$$self{Model} =~ /DiMAGE A200\b/',
- Name => 'WB_GBRGLevels',
- Format => 'int16u[4]',
- Notes => 'DiMAGE A200',
- },
- {
- Name => 'WB_RGGBLevels',
- Format => 'int16u[4]',
- Notes => 'other models',
- },
- ],
- );
- # Minolta MRW RIF information (ref 2)
- %Image::ExifTool::MinoltaRaw::RIF = (
- PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
- WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
- CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
- WRITABLE => 1,
- GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
- FIRST_ENTRY => 0,
- 1 => {
- Name => 'Saturation',
- Format => 'int8s',
- },
- 2 => {
- Name => 'Contrast',
- Format => 'int8s',
- },
- 3 => {
- Name => 'Sharpness',
- Format => 'int8s',
- },
- 4 => {
- Name => 'WBMode',
- PrintConv => 'Image::ExifTool::MinoltaRaw::ConvertWBMode($val)',
- },
- 5 => {
- Name => 'ProgramMode',
- PrintConv => {
- 0 => 'None',
- 1 => 'Portrait',
- 2 => 'Text',
- 3 => 'Night Portrait',
- 4 => 'Sunset',
- 5 => 'Sports',
- # have seen these values in Sony ARW images: - PH
- # 7, 128, 129, 160
- },
- },
- 6 => {
- Name => 'ISOSetting',
- RawConv => '$val == 255 ? undef : $val',
- PrintConv => { #3
- 0 => 'Auto',
- 48 => 100,
- 56 => 200,
- 64 => 400,
- 72 => 800,
- 80 => 1600,
- 174 => '80 (Zone Matching Low)',
- 184 => '200 (Zone Matching High)',
- OTHER => sub {
- my ($val, $inv) = @_;
- return int(2 ** (($val-48)/8) * 100 + 0.5) unless $inv;
- return 48 + 8*log($val/100)/log(2) if Image::ExifTool::IsFloat($val);
- return undef;
- },
- },
- #ValueConv => '2 ** (($val-48)/8) * 100',
- #ValueConvInv => '48 + 8*log($val/100)/log(2)',
- #PrintConv => 'int($val + 0.5)',
- #PrintConvInv => '$val',
- },
- 7 => [
- {
- Name => 'ColorMode',
- Condition => '$$self{Make} !~ /^SONY/',
- Priority => 0,
- Writable => 'int32u',
- PrintConv => \%Image::ExifTool::Minolta::minoltaColorMode,
- },
- { #3
- Name => 'ColorMode',
- Condition => '$$self{Model} eq "DSLR-A100"',
- Writable => 'int32u',
- Notes => 'Sony A100',
- Priority => 0,
- PrintHex => 1,
- PrintConv => \%Image::ExifTool::Minolta::sonyColorMode,
- },
- ],
- # NOTE: some of these WB_RBLevels may apply to other models too...
- 8 => { #3
- Name => 'WB_RBLevelsTungsten',
- Condition => '$$self{Model} eq "DSLR-A100"',
- Format => 'int16u[2]',
- Notes => 'these WB_RBLevels currently decoded only for the Sony A100',
- },
- 12 => { #3
- Name => 'WB_RBLevelsDaylight',
- Condition => '$$self{Model} eq "DSLR-A100"',
- Format => 'int16u[2]',
- },
- 16 => { #3
- Name => 'WB_RBLevelsCloudy',
- Condition => '$$self{Model} eq "DSLR-A100"',
- Format => 'int16u[2]',
- },
- 20 => { #3
- Name => 'WB_RBLevelsCoolWhiteF',
- Condition => '$$self{Model} eq "DSLR-A100"',
- Format => 'int16u[2]',
- },
- 24 => { #3
- Name => 'WB_RBLevelsFlash',
- Condition => '$$self{Model} eq "DSLR-A100"',
- Format => 'int16u[2]',
- },
- 28 => { #3
- Name => 'WB_RBLevelsUnknown',
- Condition => '$$self{Model} eq "DSLR-A100"',
- Format => 'int16u[2]',
- Unknown => 1,
- },
- 32 => { #3
- Name => 'WB_RBLevelsShade',
- Condition => '$$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 2003-2016, Phil Harvey (phil at owl.phy.queensu.ca)
- 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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