536 lines
16 KiB
Perl
536 lines
16 KiB
Perl
#------------------------------------------------------------------------------
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# File: MinoltaRaw.pm
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#
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# Description: Read/write Konica-Minolta RAW (MRW) meta information
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#
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# Revisions: 03/11/2006 - P. Harvey Split out from Minolta.pm
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#
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# References: 1) http://www.cybercom.net/~dcoffin/dcraw/
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# 2) http://www.chauveau-central.net/mrw-format/
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# 3) Igal Milchtaich private communication (A100)
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#------------------------------------------------------------------------------
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package Image::ExifTool::MinoltaRaw;
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use strict;
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use vars qw($VERSION);
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use Image::ExifTool qw(:DataAccess :Utils);
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use Image::ExifTool::Minolta;
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$VERSION = '1.15';
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sub ProcessMRW($$;$);
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sub WriteMRW($$;$);
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# Minolta MRW tags
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%Image::ExifTool::MinoltaRaw::Main = (
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GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' },
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PROCESS_PROC => \&Image::ExifTool::MinoltaRaw::ProcessMRW,
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WRITE_PROC => \&Image::ExifTool::MinoltaRaw::WriteMRW,
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NOTES => 'These tags are used in Minolta RAW format (MRW) images.',
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"\0TTW" => { # TIFF Tags
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Name => 'MinoltaTTW',
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SubDirectory => {
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TagTable => 'Image::ExifTool::Exif::Main',
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# this EXIF information starts with a TIFF header
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ProcessProc => \&Image::ExifTool::ProcessTIFF,
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WriteProc => \&Image::ExifTool::WriteTIFF,
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},
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},
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"\0PRD" => { # Raw Picture Dimensions
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Name => 'MinoltaPRD',
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SubDirectory => { TagTable => 'Image::ExifTool::MinoltaRaw::PRD' },
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},
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"\0WBG" => { # White Balance Gains
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Name => 'MinoltaWBG',
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SubDirectory => { TagTable => 'Image::ExifTool::MinoltaRaw::WBG' },
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},
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"\0RIF" => { # Requested Image Format
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Name => 'MinoltaRIF',
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SubDirectory => { TagTable => 'Image::ExifTool::MinoltaRaw::RIF' },
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},
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# "\0CSA" is padding
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);
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# Minolta MRW PRD information (ref 2)
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%Image::ExifTool::MinoltaRaw::PRD = (
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PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
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WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
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CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
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WRITABLE => 1,
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GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' },
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FIRST_ENTRY => 0,
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0 => {
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Name => 'FirmwareID',
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Format => 'string[8]',
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},
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8 => {
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Name => 'SensorHeight',
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Format => 'int16u',
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},
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10 => {
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Name => 'SensorWidth',
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Format => 'int16u',
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},
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12 => {
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Name => 'ImageHeight',
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Format => 'int16u',
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},
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14 => {
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Name => 'ImageWidth',
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Format => 'int16u',
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},
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16 => {
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Name => 'RawDepth',
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Format => 'int8u',
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},
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17 => {
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Name => 'BitDepth',
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Format => 'int8u',
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},
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18 => {
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Name => 'StorageMethod',
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Format => 'int8u',
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PrintConv => {
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82 => 'Padded',
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89 => 'Linear',
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},
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},
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23 => {
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Name => 'BayerPattern',
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Format => 'int8u',
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PrintConv => {
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# 0 - seen in some Sony A850 ARW images
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1 => 'RGGB',
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4 => 'GBRG',
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},
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},
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);
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# Minolta MRW WBG information (ref 2)
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%Image::ExifTool::MinoltaRaw::WBG = (
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PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
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WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
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CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
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WRITABLE => 1,
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GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' },
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FIRST_ENTRY => 0,
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0 => {
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Name => 'WBScale',
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Format => 'int8u[4]',
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},
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4 => [
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{
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Condition => '$$self{Model} =~ /DiMAGE A200\b/',
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Name => 'WB_GBRGLevels',
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Format => 'int16u[4]',
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Notes => 'DiMAGE A200',
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},
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{
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Name => 'WB_RGGBLevels',
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Format => 'int16u[4]',
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Notes => 'other models',
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},
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],
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);
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# Minolta MRW RIF information (ref 2)
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%Image::ExifTool::MinoltaRaw::RIF = (
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PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
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WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
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CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
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WRITABLE => 1,
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GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
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FIRST_ENTRY => 0,
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1 => {
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Name => 'Saturation',
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Format => 'int8s',
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},
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2 => {
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Name => 'Contrast',
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Format => 'int8s',
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},
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3 => {
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Name => 'Sharpness',
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Format => 'int8s',
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},
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4 => {
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Name => 'WBMode',
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PrintConv => 'Image::ExifTool::MinoltaRaw::ConvertWBMode($val)',
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},
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5 => {
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Name => 'ProgramMode',
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PrintConv => {
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0 => 'None',
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1 => 'Portrait',
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2 => 'Text',
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3 => 'Night Portrait',
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4 => 'Sunset',
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5 => 'Sports',
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# have seen these values in Sony ARW images: - PH
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# 7, 128, 129, 160
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},
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},
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6 => {
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Name => 'ISOSetting',
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RawConv => '$val == 255 ? undef : $val',
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PrintConv => { #3
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0 => 'Auto',
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48 => 100,
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56 => 200,
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64 => 400,
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72 => 800,
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80 => 1600,
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174 => '80 (Zone Matching Low)',
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184 => '200 (Zone Matching High)',
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OTHER => sub {
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my ($val, $inv) = @_;
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return int(2 ** (($val-48)/8) * 100 + 0.5) unless $inv;
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# (must check for zero below in inverse conversion)
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return 48 + 8*log($val/100)/log(2) if Image::ExifTool::IsFloat($val) and $val != 0;
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return undef;
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},
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},
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#ValueConv => '2 ** (($val-48)/8) * 100',
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#ValueConvInv => '48 + 8*log($val/100)/log(2)',
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#PrintConv => 'int($val + 0.5)',
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#PrintConvInv => '$val',
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},
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7 => [
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{
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Name => 'ColorMode',
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Condition => '$$self{Make} !~ /^SONY/',
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Priority => 0,
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Writable => 'int32u',
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PrintConv => \%Image::ExifTool::Minolta::minoltaColorMode,
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},
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{ #3
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Name => 'ColorMode',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Writable => 'int32u',
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Notes => 'Sony A100',
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Priority => 0,
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PrintHex => 1,
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PrintConv => \%Image::ExifTool::Minolta::sonyColorMode,
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},
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],
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# NOTE: some of these WB_RBLevels may apply to other models too...
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8 => { #3
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Name => 'WB_RBLevelsTungsten',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Format => 'int16u[2]',
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Notes => 'these WB_RBLevels currently decoded only for the Sony A100',
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},
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12 => { #3
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Name => 'WB_RBLevelsDaylight',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Format => 'int16u[2]',
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},
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16 => { #3
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Name => 'WB_RBLevelsCloudy',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Format => 'int16u[2]',
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},
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20 => { #3
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Name => 'WB_RBLevelsCoolWhiteF',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Format => 'int16u[2]',
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},
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24 => { #3
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Name => 'WB_RBLevelsFlash',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Format => 'int16u[2]',
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},
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28 => { #3
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Name => 'WB_RBLevelsUnknown',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Format => 'int16u[2]',
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Unknown => 1,
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},
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32 => { #3
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Name => 'WB_RBLevelsShade',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Format => 'int16u[2]',
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},
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36 => { #3
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Name => 'WB_RBLevelsDaylightF',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Format => 'int16u[2]',
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},
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40 => { #3
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Name => 'WB_RBLevelsDayWhiteF',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Format => 'int16u[2]',
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},
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44 => { #3
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Name => 'WB_RBLevelsWhiteF',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Format => 'int16u[2]',
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},
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56 => {
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Name => 'ColorFilter',
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Condition => '$$self{Make} !~ /^SONY/',
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Format => 'int8s',
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Notes => 'Minolta models',
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},
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57 => 'BWFilter',
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58 => {
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Name => 'ZoneMatching',
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Condition => '$$self{Make} !~ /^SONY/',
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Priority => 0,
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Notes => 'Minolta models',
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PrintConv => {
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0 => 'ISO Setting Used',
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1 => 'High Key',
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2 => 'Low Key',
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},
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},
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59 => {
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Name => 'Hue',
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Format => 'int8s',
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},
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60 => {
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Name => 'ColorTemperature',
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Condition => '$$self{Make} !~ /^SONY/',
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Notes => 'Minolta models',
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ValueConv => '$val * 100',
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ValueConvInv => '$val / 100',
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},
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74 => { #3
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Name => 'ZoneMatching',
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Condition => '$$self{Make} =~ /^SONY/',
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Priority => 0,
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Notes => 'Sony models',
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PrintConv => {
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0 => 'ISO Setting Used',
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1 => 'High Key',
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2 => 'Low Key',
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},
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},
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76 => { #3
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Name => 'ColorTemperature',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Notes => 'A100',
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ValueConv => '$val * 100',
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ValueConvInv => '$val / 100',
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PrintConv => '$val ? $val : "Auto"',
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PrintConvInv => '$val=~/Auto/i ? 0 : $val',
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},
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77 => { #3
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Name => 'ColorFilter',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Notes => 'A100',
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},
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78 => { #3
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Name => 'ColorTemperature',
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Condition => '$$self{Model} =~ /^DSLR-A(200|700)$/',
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Notes => 'A200 and A700',
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ValueConv => '$val * 100',
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ValueConvInv => '$val / 100',
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PrintConv => '$val ? $val : "Auto"',
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PrintConvInv => '$val=~/Auto/i ? 0 : $val',
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},
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79 => { #3
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Name => 'ColorFilter',
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Condition => '$$self{Model} =~ /^DSLR-A(200|700)$/',
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Notes => 'A200 and A700',
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},
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80 => { #3
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Name => 'RawDataLength',
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Condition => '$$self{Model} eq "DSLR-A100"',
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Format => 'int32u',
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Notes => 'A100',
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Writable => 0,
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},
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);
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#------------------------------------------------------------------------------
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# PrintConv for WBMode
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sub ConvertWBMode($)
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{
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my $val = shift;
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my %mrwWB = (
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0 => 'Auto',
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1 => 'Daylight',
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2 => 'Cloudy',
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3 => 'Tungsten',
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4 => 'Flash/Fluorescent',
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5 => 'Fluorescent',
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6 => 'Shade',
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7 => 'User 1',
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8 => 'User 2',
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9 => 'User 3',
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10 => 'Temperature',
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);
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my $lo = $val & 0x0f;
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my $wbstr = $mrwWB{$lo} || "Unknown ($lo)";
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my $hi = $val >> 4;
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$wbstr .= ' (' . ($hi - 8) . ')' if $hi >= 6 and $hi <=12;
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return $wbstr;
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}
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#------------------------------------------------------------------------------
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# Write MRW directory (eg. in ARW images)
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# Inputs: 0) ExifTool object ref, 1) dirInfo ref, 2) optional tag table ref
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# Returns: new MRW data or undef on error
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sub WriteMRW($$;$)
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{
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my ($et, $dirInfo, $tagTablePtr) = @_;
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$et or return 1; # allow dummy access
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my $buff = '';
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$$dirInfo{OutFile} = \$buff;
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ProcessMRW($et, $dirInfo, $tagTablePtr) > 0 or undef $buff;
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return $buff;
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}
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#------------------------------------------------------------------------------
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# Read or write Minolta MRW file
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# Inputs: 0) ExifTool object ref, 1) dirInfo ref, 2) optional tag table ref
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# Returns: 1 on success, 0 if this wasn't a valid MRW file, or -1 on write error
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# Notes: File pointer must be set to start of MRW in RAF upon entry
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sub ProcessMRW($$;$)
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{
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my ($et, $dirInfo, $tagTablePtr) = @_;
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my $raf = $$dirInfo{RAF};
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my $outfile = $$dirInfo{OutFile};
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my $verbose = $et->Options('Verbose');
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my $out = $et->Options('TextOut');
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my ($data, $err, $outBuff);
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if ($$dirInfo{DataPt}) {
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# make a RAF object for MRW information extracted from other file types
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$raf = new File::RandomAccess($$dirInfo{DataPt});
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# MRW information in DNG images may not start at beginning of data block
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$raf->Seek($$dirInfo{DirStart}, 0) if $$dirInfo{DirStart};
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}
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$raf->Read($data,8) == 8 or return 0;
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# "\0MRM" for big-endian (MRW images), and
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# "\0MRI" for little-endian (MRWInfo in ARW images)
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$data =~ /^\0MR([MI])/ or return 0;
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my $hdr = "\0MR$1";
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SetByteOrder($1 . $1);
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$et->SetFileType();
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$tagTablePtr = GetTagTable('Image::ExifTool::MinoltaRaw::Main');
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if ($outfile) {
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$et->InitWriteDirs('TIFF'); # use same write dirs as TIFF
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$outBuff = '';
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}
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my $pos = $raf->Tell();
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my $offset = Get32u(\$data, 4) + $pos;
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my $rtnVal = 1;
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$verbose and printf $out " [MRW Data Offset: 0x%x]\n", $offset;
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# loop through MRW segments (ref 1)
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while ($pos < $offset) {
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$raf->Read($data,8) == 8 or $err = 1, last;
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$pos += 8;
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my $tag = substr($data, 0, 4);
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my $len = Get32u(\$data, 4);
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if ($verbose) {
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print $out "MRW ",$et->Printable($tag)," segment ($len bytes):\n";
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if ($verbose > 2) {
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$raf->Read($data,$len) == $len and $raf->Seek($pos,0) or $err = 1, last;
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$et->VerboseDump(\$data);
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}
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}
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my $tagInfo = $et->GetTagInfo($tagTablePtr, $tag);
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if ($tagInfo and $$tagInfo{SubDirectory}) {
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my $subTable = GetTagTable($tagInfo->{SubDirectory}->{TagTable});
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my $buff;
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# save shift for values stored with wrong base offset
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$$et{MRW_WrongBase} = -($raf->Tell());
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$raf->Read($buff, $len) == $len or $err = 1, last;
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my %subdirInfo = (
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DataPt => \$buff,
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DataLen => $len,
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DataPos => $pos,
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DirStart => 0,
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DirLen => $len,
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DirName => $$tagInfo{Name},
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Parent => 'MRW',
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NoTiffEnd => 1, # no end-of-TIFF check
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);
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if ($outfile) {
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my $writeProc = $tagInfo->{SubDirectory}->{WriteProc};
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my $val = $et->WriteDirectory(\%subdirInfo, $subTable, $writeProc);
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if (defined $val and length $val) {
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# pad to an even 4 bytes (can't hurt, and it seems to be the standard)
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$val .= "\0" x (4 - (length($val) & 0x03)) if length($val) & 0x03;
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$outBuff .= $tag . Set32u(length $val) . $val;
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} elsif (not defined $val) {
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$outBuff .= $data . $buff; # copy over original information
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}
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} else {
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my $processProc = $tagInfo->{SubDirectory}->{ProcessProc};
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$et->ProcessDirectory(\%subdirInfo, $subTable, $processProc);
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}
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} elsif ($outfile) {
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# add this segment to the output buffer
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my $buff;
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$raf->Read($buff, $len) == $len or $err = 1, last;
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$outBuff .= $data . $buff;
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} else {
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# skip this segment
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$raf->Seek($pos+$len, 0) or $err = 1, last;
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}
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$pos += $len;
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}
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$pos == $offset or $err = 1; # meta information length check
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if ($outfile) {
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# write the file header then the buffered meta information
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Write($outfile, $hdr, Set32u(length $outBuff), $outBuff) or $rtnVal = -1;
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# copy over image data
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while ($raf->Read($outBuff, 65536)) {
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Write($outfile, $outBuff) or $rtnVal = -1;
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}
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# Sony IDC utility corrupts MRWInfo when writing ARW images,
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# so make this a minor error for these images
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$err and $et->Error("MRW format error", $$et{TIFF_TYPE} eq 'ARW');
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} else {
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$err and $et->Warn("MRW format error");
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}
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return $rtnVal;
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}
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1; # end
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__END__
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=head1 NAME
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Image::ExifTool::MinoltaRaw - Read/write Konica-Minolta RAW (MRW) information
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=head1 SYNOPSIS
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This module is loaded automatically by Image::ExifTool when required.
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=head1 DESCRIPTION
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This module contains definitions required by Image::ExifTool to read and
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write Konica-Minolta RAW (MRW) images.
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=head1 AUTHOR
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Copyright 2003-2018, Phil Harvey (phil at owl.phy.queensu.ca)
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This library is free software; you can redistribute it and/or modify it
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under the same terms as Perl itself.
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=head1 REFERENCES
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=over 4
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=item L<http://www.cybercom.net/~dcoffin/dcraw/>
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=item L<http://www.chauveau-central.net/mrw-format/>
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=back
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=head1 SEE ALSO
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L<Image::ExifTool::TagNames/MinoltaRaw Tags>,
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L<Image::ExifTool::Minolta(3pm)|Image::ExifTool::Minolta>,
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L<Image::ExifTool(3pm)|Image::ExifTool>
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=cut
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