#------------------------------------------------------------------------------
# File: Samsung.pm
#
# Description: Samsung EXIF maker notes tags
#
# Revisions: 2010/03/01 - P. Harvey Created
#
# References: 1) Tae-Sun Park private communication
# 2) http://www.cybercom.net/~dcoffin/dcraw/
# 3) Pascal de Bruijn private communication (NX100)
# 4) Jaroslav Stepanek via rt.cpan.org
# 5) Nick Livchits private communication
# 6) Sreerag Raghavan private communication (SM-C200)
# IB) Iliah Borg private communcation (LibRaw)
# NJ) Niels Kristian Bech Jensen private communication
#------------------------------------------------------------------------------
package Image::ExifTool::Samsung;
use strict;
use vars qw($VERSION %samsungLensTypes);
use Image::ExifTool qw(:DataAccess :Utils);
use Image::ExifTool::Exif;
$VERSION = '1.43';
sub WriteSTMN($$$);
sub ProcessINFO($$$);
sub ProcessSamsungIFD($$$);
# Samsung LensType lookup
%samsungLensTypes = (
# (added "Samsung NX" in all of these lens names - ref 4)
0 => 'Built-in or Manual Lens', #PH (EX1, WB2000)
1 => 'Samsung NX 30mm F2 Pancake',
2 => 'Samsung NX 18-55mm F3.5-5.6 OIS', # (also version II, ref 1)
3 => 'Samsung NX 50-200mm F4-5.6 ED OIS',
# what about the non-OIS version of the 18-55,
# which was supposed to be available before the 20-50? - PH
4 => 'Samsung NX 20-50mm F3.5-5.6 ED', #PH/4
5 => 'Samsung NX 20mm F2.8 Pancake', #PH
6 => 'Samsung NX 18-200mm F3.5-6.3 ED OIS', #4
7 => 'Samsung NX 60mm F2.8 Macro ED OIS SSA', #1
8 => 'Samsung NX 16mm F2.4 Pancake', #1/4
9 => 'Samsung NX 85mm F1.4 ED SSA', #4
10 => 'Samsung NX 45mm F1.8', #3
11 => 'Samsung NX 45mm F1.8 2D/3D', #3
12 => 'Samsung NX 12-24mm F4-5.6 ED', #4
13 => 'Samsung NX 16-50mm F2-2.8 S ED OIS', #forum3833
14 => 'Samsung NX 10mm F3.5 Fisheye', #NJ
15 => 'Samsung NX 16-50mm F3.5-5.6 Power Zoom ED OIS', #5
20 => 'Samsung NX 50-150mm F2.8 S ED OIS', #PH
21 => 'Samsung NX 300mm F2.8 ED OIS', #IB
);
# range of values for Formats used in encrypted information
my %formatMinMax = (
int16u => [ 0, 65535 ],
int32u => [ 0, 4294967295 ],
int16s => [ -32768, 32767 ],
int32s => [ -2147483648, 2147483647 ],
);
# Samsung "STMN" maker notes (ref PH)
%Image::ExifTool::Samsung::Main = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&WriteSTMN,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int32u',
FIRST_ENTRY => 0,
IS_OFFSET => [ 2 ], # tag 2 is 'IsOffset'
IS_SUBDIR => [ 11 ],
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
NOTES => q{
Tags found in the binary "STMN" format maker notes written by a number of
Samsung models.
},
0 => {
Name => 'MakerNoteVersion',
Format => 'undef[8]',
},
2 => {
Name => 'PreviewImageStart',
OffsetPair => 3, # associated byte count tagID
DataTag => 'PreviewImage',
IsOffset => 3,
Protected => 2,
WriteGroup => 'MakerNotes',
},
3 => {
Name => 'PreviewImageLength',
OffsetPair => 2, # point to associated offset
DataTag => 'PreviewImage',
Protected => 2,
WriteGroup => 'MakerNotes',
},
11 => {
Name => 'SamsungIFD',
# Note: this is not always an IFD. In many models the string
# "Park Byeongchan" is found at this location
Condition => '$$valPt =~ /^[^\0]\0\0\0/',
Format => 'undef[$size - 44]',
SubDirectory => { TagTable => 'Image::ExifTool::Samsung::IFD' },
},
);
%Image::ExifTool::Samsung::IFD = (
PROCESS_PROC => \&ProcessSamsungIFD,
NOTES => q{
This is a standard-format IFD found in the maker notes of some Samsung
models, except that the entry count is a 4-byte integer and the offsets are
relative to the end of the IFD. Currently, no tags in this IFD are known,
so the Unknown (-u) or Verbose (-v) option must be used to see this
information.
},
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
# 0x0001 - undef[4000|4100]: starts with "MN_PRV" (or all zeros)
# 0x0002 - undef[7000] : starts with "Kim Miae"
# 0x0003 - undef[5000] : starts with "Lee BK"
# 0x0004 - undef[500|2000] : starts with "IPCD" (or all zeros)
# 0x0006 - undef[100|200] : starts with "MN_ADS" (or all zeros)
);
# Samsung maker notes (ref PH)
%Image::ExifTool::Samsung::Type2 = (
WRITE_PROC => \&Image::ExifTool::Exif::WriteExif,
CHECK_PROC => \&Image::ExifTool::Exif::CheckExif,
WRITABLE => 1,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
NOTES => 'Tags found in the EXIF-format maker notes of newer Samsung models.',
0x0001 => {
Name => 'MakerNoteVersion',
Writable => 'undef',
Count => 4,
},
0x0002 => {
Name => 'DeviceType',
Groups => { 2 => 'Camera' },
Writable => 'int32u',
PrintHex => 1,
PrintConv => {
0x1000 => 'Compact Digital Camera',
0x2000 => 'High-end NX Camera',
0x3000 => 'HXM Video Camera',
0x12000 => 'Cell Phone',
0x300000 => 'SMX Video Camera',
},
},
0x0003 => {
Name => 'SamsungModelID',
Groups => { 2 => 'Camera' },
Writable => 'int32u',
PrintHex => 1,
PrintConv => {
0x100101c => 'NX10',
0x1001226 => 'HMX-S10BP',
0x1001226 => 'HMX-S15BP',
0x1001233 => 'HMX-Q10',
0x1001234 => 'HMX-H300',
0x1001234 => 'HMX-H304',
0x100130c => 'NX100',
0x1001327 => 'NX11',
0x170104b => 'ES65, ES67 / VLUU ES65, ES67 / SL50',
0x170104e => 'ES70, ES71 / VLUU ES70, ES71 / SL600',
0x1701052 => 'ES73 / VLUU ES73 / SL605',
0x1701055 => 'ES25, ES27 / VLUU ES25, ES27 / SL45',
0x1701300 => 'ES28 / VLUU ES28',
0x1701303 => 'ES74,ES75,ES78 / VLUU ES75,ES78',
0x2001046 => 'PL150 / VLUU PL150 / TL210 / PL151',
0x2001048 => 'PL100 / TL205 / VLUU PL100 / PL101',
0x2001311 => 'PL120,PL121 / VLUU PL120,PL121',
0x2001315 => 'PL170,PL171 / VLUUPL170,PL171',
0x200131e => 'PL210, PL211 / VLUU PL210, PL211',
0x2701317 => 'PL20,PL21 / VLUU PL20,PL21',
0x2a0001b => 'WP10 / VLUU WP10 / AQ100',
0x3000000 => 'Various Models (0x3000000)',
#0x3000000 => 'DV150F / DV151F / DV155F',
#0x3000000 => 'NX mini',
#0x3000000 => 'NX3000',
#0x3000000 => 'NX3300',
#0x3000000 => 'ST150F / ST151F / ST152F',
#0x3000000 => 'WB200F / WB201F / WB202F',
#0x3000000 => 'WB250F / WB251F / WB252F',
#0x3000000 => 'WB30F / WB31F / WB32F',
#0x3000000 => 'WB350F / WB351F / WB352F',
#0x3000000 => 'WB800F',
0x3a00018 => 'Various Models (0x3a00018)',
#0x3a00018 => 'ES30 / VLUU ES30',
#0x3a00018 => 'ES80 / ES81',
#0x3a00018 => 'ES9 / ES8',
#0x3a00018 => 'PL200 / VLUU PL200',
#0x3a00018 => 'PL80 / VLUU PL80 / SL630 / PL81',
#0x3a00018 => 'PL90 / VLUU PL90',
#0x3a00018 => 'WB1100F / WB1101F / WB1102F',
#0x3a00018 => 'WB2200F',
0x400101f => 'ST1000 / ST1100 / VLUU ST1000 / CL65',
0x4001022 => 'ST550 / VLUU ST550 / TL225',
0x4001025 => 'Various Models (0x4001025)',
#0x4001025 => 'DV300 / DV300F / DV305F',
#0x4001025 => 'ST500 / VLUU ST500 / TL220',
#0x4001025 => 'ST200 / ST200F / ST201 / ST201F / ST205F',
0x400103e => 'VLUU ST5500, ST5500, CL80',
0x4001041 => 'VLUU ST5000, ST5000, TL240',
0x4001043 => 'ST70 / VLUU ST70 / ST71',
0x400130a => 'Various Models (0x400130a)',
#0x400130a => 'VLUU ST100, ST100',
#0x400130a => 'VLUU ST600, ST600',
#0x400130a => 'VLUU ST80, ST80',
0x400130e => 'ST90,ST91 / VLUU ST90,ST91',
0x4001313 => 'VLUU ST95, ST95',
0x4a00015 => 'VLUU ST60',
0x4a0135b => 'ST30, ST65 / VLUU ST65 / ST67',
0x5000000 => 'Various Models (0x5000000)',
#0x5000000 => 'EX2F',
#0x5000000 => 'NX1000',
#0x5000000 => 'NX20',
#0x5000000 => 'NX200',
#0x5000000 => 'NX210',
#0x5000000 => 'ST96',
#0x5000000 => 'WB750',
#0x5000000 => 'ST700',
0x5001038 => 'Various Models (0x5001038)',
#0x5001038 => 'EK-GN120',
#0x5001038 => 'HMX-E10',
#0x5001038 => 'NX1',
#0x5001038 => 'NX2000',
#0x5001038 => 'NX30',
#0x5001038 => 'NX300',
#0x5001038 => 'NX500',
#0x5001038 => 'SM-C200',
#0x5001038 => 'WB2000',
0x500103a => 'WB650 / VLUU WB650 / WB660',
0x500103c => 'WB600 / VLUU WB600 / WB610',
0x500133e => 'WB150 / WB150F / WB152 / WB152F / WB151',
0x5a0000f => 'WB5000 / HZ25W',
0x6001036 => 'EX1',
0x700131c => 'VLUU SH100, SH100',
0x27127002 => 'SMX-C20N',
},
},
# 0x0004 - undef[x] (SamsungContentsID?)
# 0x000a - int32u (ContinuousShotMode?)
# 0x000b - int16u (BestPhotoMode?)
# 0x000c - int32u ? values: 0,1
# 0x000e - int32u[2] (SoundMultiPicture?)
# 0x0010 - rational64u ? values: undef,inf
0x0011 => { #6
Name => 'OrientationInfo',
SubDirectory => { TagTable => 'Image::ExifTool::Samsung::OrientationInfo' },
},
0x0020 => [{ #forum7685
Name => 'SmartAlbumColor',
Condition => '$$valPt =~ /^\0{4}/',
Writable => 'int16u',
Count => 2,
PrintConv => {
'0 0' => 'n/a',
},
},{
Name => 'SmartAlbumColor',
Writable => 'int16u',
Count => 2,
PrintConv => [{
0 => 'Red',
1 => 'Yellow',
2 => 'Green',
3 => 'Blue',
4 => 'Magenta',
5 => 'Black',
6 => 'White',
7 => 'Various',
}],
}],
0x0021 => { #1
Name => 'PictureWizard',
Writable => 'int16u',
SubDirectory => { TagTable => 'Image::ExifTool::Samsung::PictureWizard' },
},
# 0x0022 - int32u (CaptureMode?) (Gamma? eg. 65538 = 1.2, ref forum7720)
# 0x0023 - string: "0123456789" (PH) (placeholder for SerialNumber?)
# 0x0025 - int32u (ImageCount?)
# 0x002a - undef[4] (SNSDirectShare?)
# 0x002f - string (GPSInfo01?)
0x0030 => { #1 (NX100 with GPS)
Name => 'LocalLocationName',
Groups => { 2 => 'Location' },
Writable => 'string',
Format => 'undef',
# this contains 2 place names (in Korean if in Korea), separated by a null+space
# - terminate at double-null and replace nulls with newlines
ValueConv => '$val=~s/\0\0.*//; $val=~s/\0 */\n/g; $val',
ValueConvInv => '$val=~s/(\x0d\x0a|\x0d|\x0a)/\0 /g; $val . "\0\0"'
},
0x0031 => { #1 (NX100 with GPS)
Name => 'LocationName',
Groups => { 2 => 'Location' },
Writable => 'string',
},
# 0x0032 - string (GPSInfo03)
# 0x0033 - string (GPSInfo04)
# 0x0034 - string (GPSInfo05)
0x0035 => [{
Name => 'PreviewIFD',
Condition => '$$self{TIFF_TYPE} eq "SRW" and $$self{Model} ne "EK-GN120"', # (not an IFD in JPEG images)
Groups => { 1 => 'PreviewIFD' },
Flags => 'SubIFD',
SubDirectory => {
TagTable => 'Image::ExifTool::Nikon::PreviewIFD',
ByteOrder => 'Unknown',
Start => '$val',
},
},{
Name => 'PreviewIFD',
Condition => '$$self{TIFF_TYPE} eq "SRW"', # (not an IFD in JPEG images)
Groups => { 1 => 'PreviewIFD' },
Flags => 'SubIFD',
SubDirectory => {
TagTable => 'Image::ExifTool::Nikon::PreviewIFD',
ByteOrder => 'Unknown',
Start => '$val - 36',
},
}],
# 0x003a - int16u[2] (SmartLensInfo?)
# 0x003b - int16u[2] (PhotoStyleSelectInfo?)
# 0x003c - int16u (SmartRange?)
# 0x003d - int16u[5] (SmartCropInfo?)
# 0x003e - int32u (DualCapture?)
# 0x003f - int16u[2] (SGIFInfo?)
0x0040 => { #forum7432
Name => 'RawDataByteOrder',
PrintConv => {
0 => 'Little-endian (Intel, II)',
1 => 'Big-endian (Motorola, MM)', #(NC)
},
},
0x0041 => { #forum7684
Name => 'WhiteBalanceSetup',
Writable => 'int32u',
PrintConv => {
0 => 'Auto',
1 => 'Manual',
},
},
0x0043 => { #1 (NC)
Name => 'CameraTemperature',
Groups => { 2 => 'Camera' },
Writable => 'rational64s',
# (DPreview samples all 0.2 C --> pre-production model)
PrintConv => '$val =~ /\d/ ? "$val C" : $val',
PrintConvInv => '$val=~s/ ?C//; $val',
},
# 0x0045 => { Name => 'RawCompressionMode', Writable => 'int32u' }, # (related to ExposureMode, not raw compresison? ref forum7432)
# 0x004a - int32u[7] (ImageVerification?)
# 0x004b - int32u[2] (RewindInfo?)
# 0x0050 - int32u (ColorSpace? - inconsistent) values: 1 (related to compression mode, ref forum7432)
0x0050 => { #forum7432
Name => 'RawDataCFAPattern',
PrintConv => {
0 => 'Unchanged',
1 => 'Swap',
65535 => 'Roll',
},
},
# 0x0054 - int16u[2] (WeatherInfo?)
# 0x0060 - undef (AEInfo?)
# 0x0080 - undef (AFInfo?)
# 0x00a0 - undef[8192] (AWBInfo1): white balance information (ref 1):
# At byte 5788, the WBAdjust: "Adjust\0\X\0\Y\0\Z\xee\xea\xce\xab", where
# Y = BA adjust (0=Blue7, 7=0, 14=Amber7), Z = MG (0=Magenta7, 7=0, 14=Green7)
# 0x00a1 - undef (AWBInfo2?)
# 0x00c0 - undef (IPCInfo?)
# 0x00c7 - undef (SmartFunctionInfo?)
# 0x00e0 - int16u (SceneResult?)
# 0x00e1 - int16u[8] (SADebugInfo01?)
# 0x00e1 - int16u[x] (SADebugInfo02?)
0x0100 => {
Name => 'FaceDetect',
Writable => 'int16u',
PrintConv => { 0 => 'Off', 1 => 'On' }, #(NC)
},
# 0x0101 - int16u[6] (FaceDetectInfo?)
# 0x0102 - int16u[x] (FaceDetectInfo?)
0x0120 => {
Name => 'FaceRecognition',
Writable => 'int32u',
PrintConv => { 0 => 'Off', 1 => 'On' }, #(NC)
},
0x0123 => { Name => 'FaceName', Writable => 'string' },
# 0x140 - undef (LensInfo?)
#
# the following tags found only in SRW images
#
# 0xa000 - rational64u: 1 or 1.1 (ref PH) (MakerNoteVersion?)
0xa001 => { #1
Name => 'FirmwareName',
Groups => { 2 => 'Camera' },
Writable => 'string',
},
0xa002 => { #PH/IB
Name => 'SerialNumber',
Condition => '$$valPt =~ /^\w{5}/', # should be at least 5 characters long
Groups => { 2 => 'Camera' },
Writable => 'string',
},
0xa003 => { #1 (SRW images only)
Name => 'LensType',
Groups => { 2 => 'Camera' },
Writable => 'int16u',
Count => -1,
PrintConv => [ \%samsungLensTypes ],
},
0xa004 => { #1
Name => 'LensFirmware',
Groups => { 2 => 'Camera' },
Writable => 'string',
},
0xa005 => {
Name => 'InternalLensSerialNumber', # Not the printed serial number (ref 1)
Groups => { 2 => 'Camera' },
Writable => 'string',
},
0xa010 => { #1
Name => 'SensorAreas',
Groups => { 2 => 'Camera' },
Notes => 'full and valid sensor areas',
Writable => 'int32u',
Count => 8,
},
0xa011 => { #1
Name => 'ColorSpace',
Writable => 'int16u',
PrintConv => {
0 => 'sRGB',
1 => 'Adobe RGB',
},
},
0xa012 => { #1
Name => 'SmartRange',
Writable => 'int16u',
PrintConv => { 0 => 'Off', 1 => 'On' },
},
0xa013 => { #1
Name => 'ExposureCompensation',
Writable => 'rational64s',
},
0xa014 => { #1
Name => 'ISO',
Writable => 'int32u',
},
0xa018 => { #1
Name => 'ExposureTime',
Writable => 'rational64u',
PrintConv => 'Image::ExifTool::Exif::PrintExposureTime($val)',
PrintConvInv => '$val',
},
0xa019 => { #1
Name => 'FNumber',
Priority => 0,
Writable => 'rational64u',
PrintConv => 'sprintf("%.1f",$val)',
PrintConvInv => '$val',
},
0xa01a => { #1
Name => 'FocalLengthIn35mmFormat',
Groups => { 2 => 'Camera' },
Priority => 0,
Format => 'int32u',
ValueConv => '$val / 10',
ValueConvInv => '$val * 10',
PrintConv => '"$val mm"',
PrintConvInv => '$val=~s/\s*mm$//;$val',
},
# 0xa01b - int32u (ImageCount?)
# 0xa01b - int16u (LDCLens?)
0xa020 => { #1
Name => 'EncryptionKey',
Writable => 'int32u',
Count => 11,
Protected => 1,
DataMember => 'EncryptionKey',
RawConv => '$$self{EncryptionKey} = [ split(" ",$val) ]; $val',
Notes => 'key used to decrypt the tags below',
# value is "305 72 737 456 282 307 519 724 13 505 193"
},
0xa021 => { #1
Name => 'WB_RGGBLevelsUncorrected',
Writable => 'int32u',
Count => 4,
Notes => 'these tags not corrected for WB_RGGBLevelsBlack',
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0")',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0)',
},
0xa022 => { #1
Name => 'WB_RGGBLevelsAuto',
Writable => 'int32u',
Count => 4,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,-4)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,4)',
},
0xa023 => { #1
Name => 'WB_RGGBLevelsIlluminator1',
Writable => 'int32u',
Count => 4,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,-8)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,8)',
},
0xa024 => { #1
Name => 'WB_RGGBLevelsIlluminator2',
Writable => 'int32u',
Count => 4,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,-1)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,1)',
},
0xa025 => { # (PostAEGain?)
Name => 'DigitalGain', #IB
Writable => 'int32u',
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,6)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,-6)',
},
0xa025 => { #IB
Name => 'HighlightLinearityLimit',
Writable => 'int32u',
},
0xa028 => { #2/PH
Name => 'WB_RGGBLevelsBlack',
Writable => 'int32s',
Count => 4,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0")',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0)',
},
0xa030 => { #1
Name => 'ColorMatrix',
Writable => 'int32s',
Count => 9,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0")',
},
0xa031 => { #1
Name => 'ColorMatrixSRGB',
Writable => 'int32s',
Count => 9,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0")',
},
0xa032 => { #1
Name => 'ColorMatrixAdobeRGB',
Writable => 'int32s',
Count => 9,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0")',
},
0xa033 => { #1
Name => 'CbCrMatrixDefault',
Writable => 'int32s',
Count => 4,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0")',
},
0xa034 => { #1
Name => 'CbCrMatrix',
Writable => 'int32s',
Count => 4,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,4)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,-4)',
},
0xa035 => { #1
Name => 'CbCrGainDefault',
Writable => 'int32u',
Count => 2,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0")',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0)',
},
0xa036 => { #1
Name => 'CbCrGain',
Writable => 'int32u',
Count => 2,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,-2)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,2)',
},
0xa040 => { #1
Name => 'ToneCurveSRGBDefault',
Writable => 'int32u',
Count => 23,
Notes => q{
first value gives the number of tone curve entries. This is followed by an
array of X coordinates then an array of Y coordinates
},
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0,"-0")',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0",0)',
},
0xa041 => { #1
Name => 'ToneCurveAdobeRGBDefault',
Writable => 'int32u',
Count => 23,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0,"-0")',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0",0)',
},
0xa042 => { #1
Name => 'ToneCurveSRGB',
Writable => 'int32u',
Count => 23,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0,"-0")',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0",0)',
},
0xa043 => { #1
Name => 'ToneCurveAdobeRGB',
Writable => 'int32u',
Count => 23,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0,"-0")',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0",0)',
},
0xa048 => { #1
Name => 'RawData',
Unknown => 1,
Writable => 'int32s',
Count => 12,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0")',
},
0xa050 => { #1
Name => 'Distortion',
Unknown => 1,
Writable => 'int32s',
Count => 8,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0")',
},
0xa051 => { #1
Name => 'ChromaticAberration',
Unknown => 1,
Writable => 'int16u',
Count => 22,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0",-7,-3)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0,7,3)',
},
0xa052 => { #1
Name => 'Vignetting',
Unknown => 1,
Writable => 'int16u',
Count => 15,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0,"-0")',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0",0)',
},
0xa053 => { #1
Name => 'VignettingCorrection',
Unknown => 1,
Writable => 'int16u',
Count => 15,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0,"-0")',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0",0)',
},
0xa054 => { #1
Name => 'VignettingSetting',
Unknown => 1,
Writable => 'int16u',
Count => 15,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,0,"-0")',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,"-0",0)',
},
0xa055 => { #1
Name => 'Samsung_Type2_0xa055', # (DistortionCamera1st?)
Unknown => 1,
Hidden => 1,
Writable => 'int32s',
Count => 8,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,8)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,-8)',
},
0xa056 => { #1
Name => 'Samsung_Type2_0xa056', # (DistortionCamera2nd?)
Unknown => 1,
Hidden => 1,
Writable => 'int32s',
Count => 8,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,5)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,-5)',
},
0xa057 => { #1
Name => 'Samsung_Type2_0xa057', # (DistortionCameraSetting?)
Unknown => 1,
Hidden => 1,
Writable => 'int32s',
Count => 8,
RawConv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,2)',
RawConvInv => 'Image::ExifTool::Samsung::Crypt($self,$val,$tagInfo,-2)',
},
# 0xa060 - rational64u (CISTemperature?)
# 0xa061 - int16u (Compression?)
);
# orientation information (ref 6)
%Image::ExifTool::Samsung::OrientationInfo = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'rational64s',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' },
NOTES => 'Camera orientation information written by the Gear 360 (SM-C200).',
0 => {
Name => 'YawAngle', #(NC)
Unknown => 1,
Notes => 'always zero',
},
1 => {
Name => 'PitchAngle',
Notes => 'upward tilt of rear camera in degrees',
},
2 => {
Name => 'RollAngle',
Notes => 'clockwise rotation of rear camera in degrees',
},
);
# Picture Wizard information (ref 1)
%Image::ExifTool::Samsung::PictureWizard = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int16u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0 => {
Name => 'PictureWizardMode',
PrintConvColumns => 3,
PrintConv => { #3
0 => 'Standard',
1 => 'Vivid',
2 => 'Portrait',
3 => 'Landscape',
4 => 'Forest',
5 => 'Retro',
6 => 'Cool',
7 => 'Calm',
8 => 'Classic',
9 => 'Custom1',
10 => 'Custom2',
11 => 'Custom3',
255 => 'n/a', #PH
},
},
1 => 'PictureWizardColor',
2 => {
Name => 'PictureWizardSaturation',
ValueConv => '$val - 4',
ValueConvInv => '$val + 4',
},
3 => {
Name => 'PictureWizardSharpness',
ValueConv => '$val - 4',
ValueConvInv => '$val + 4',
},
4 => {
Name => 'PictureWizardContrast',
ValueConv => '$val - 4',
ValueConvInv => '$val + 4',
},
);
# INFO tags in Samsung MP4 videos (ref PH)
%Image::ExifTool::Samsung::INFO = (
PROCESS_PROC => \&ProcessINFO,
GROUPS => { 0 => 'MakerNotes', 2 => 'Video' },
NOTES => q{
This information is found in MP4 videos from Samsung models such as the
SMX-C20N.
},
EFCT => 'Effect', # (guess)
QLTY => 'Quality',
# MDEL - value: 0
# ASPT - value: 1, 2
);
# Samsung MP4 TAGS information (PH - from WP10 sample)
# --> very similar to Sanyo MP4 information
%Image::ExifTool::Samsung::MP4 = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' },
NOTES => q{
This information is found in Samsung MP4 videos from models such as the
WP10.
},
0x00 => {
Name => 'Make',
Format => 'string[24]',
PrintConv => 'ucfirst(lc($val))',
},
0x18 => {
Name => 'Model',
Description => 'Camera Model Name',
Format => 'string[16]',
},
0x2e => { #(NC)
Name => 'ExposureTime',
Format => 'int32u',
ValueConv => '$val ? 10 / $val : 0',
PrintConv => 'Image::ExifTool::Exif::PrintExposureTime($val)',
},
0x32 => {
Name => 'FNumber',
Format => 'rational64u',
PrintConv => 'sprintf("%.1f",$val)',
},
0x3a => { #(NC)
Name => 'ExposureCompensation',
Format => 'rational64s',
PrintConv => '$val ? sprintf("%+.1f", $val) : 0',
},
0x6a => {
Name => 'ISO',
Format => 'int32u',
},
0x7d => {
Name => 'Software',
Format => 'string[32]',
# (these tags are not at a constant offset for Olympus/Sanyo videos,
# so just to be safe use this to validate subsequent tags)
RawConv => q{
$val =~ /^SAMSUNG/ or return undef;
$$self{SamsungMP4} = 1;
return $val;
},
},
0xf4 => {
Name => 'Thumbnail',
Condition => '$$self{SamsungMP4}',
SubDirectory => {
TagTable => 'Image::ExifTool::Samsung::Thumbnail',
Base => '$start',
},
},
);
# thumbnail image information found in MP4 videos (similar in Olympus,Samsung,Sanyo)
%Image::ExifTool::Samsung::Thumbnail = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' },
FIRST_ENTRY => 0,
FORMAT => 'int32u',
1 => 'ThumbnailWidth',
2 => 'ThumbnailHeight',
3 => 'ThumbnailLength',
4 => { Name => 'ThumbnailOffset', IsOffset => 1 },
);
# Samsung MP4 @sec information (PH - from WB30F sample)
%Image::ExifTool::Samsung::sec = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' },
NOTES => q{
This information is found in the @sec atom of Samsung MP4 videos from models
such as the WB30F.
},
0x00 => {
Name => 'Make',
Format => 'string[32]',
PrintConv => 'ucfirst(lc($val))',
},
0x20 => {
Name => 'Model',
Description => 'Camera Model Name',
Format => 'string[32]',
},
0x200 => { Name => 'ThumbnailWidth', Format => 'int32u' },
0x204 => { Name => 'ThumbnailHeight', Format => 'int32u' },
0x208 => { Name => 'ThumbnailLength', Format => 'int32u' }, # (2 bytes too long in my sample)
0x20c => {
Name => 'ThumbnailImage',
Groups => { 2 => 'Preview' },
Format => 'undef[$val{0x208}]',
Notes => 'the THM image, embedded metadata is extracted as the first sub-document',
SetBase => 1,
RawConv => q{
my $pt = $self->ValidateImage(\$val, $tag);
if ($pt) {
$$self{BASE} += 0x20c;
$$self{DOC_NUM} = ++$$self{DOC_COUNT};
$self->ExtractInfo($pt, { ReEntry => 1 });
$$self{DOC_NUM} = 0;
}
return $pt;
},
},
);
# Samsung MP4 smta information (PH - from SM-C101 sample)
%Image::ExifTool::Samsung::smta = (
GROUPS => { 0 => 'MakerNotes', 2 => 'Video' },
NOTES => q{
This information is found in the smta atom of Samsung MP4 videos from models
such as the Galaxy S4.
},
svss => {
Name => 'SamsungSvss',
SubDirectory => { TagTable => 'Image::ExifTool::Samsung::svss' },
},
# swtr - 4 bytes, all zero
# scid - 8 bytes, all zero
# saut - 4 bytes, all zero
);
# Samsung MP4 svss information (PH - from SM-C101 sample)
%Image::ExifTool::Samsung::svss = (
GROUPS => { 0 => 'MakerNotes', 2 => 'Video' },
NOTES => q{
This information is found in the svss atom of Samsung MP4 videos from models
such as the Galaxy S4.
},
# junk - 10240 bytes, all zero
);
# thumbnail image information found in some MP4 videos
%Image::ExifTool::Samsung::Thumbnail2 = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' },
FIRST_ENTRY => 0,
FORMAT => 'int32u',
1 => 'ThumbnailWidth',
2 => 'ThumbnailHeight',
3 => 'ThumbnailLength',
4 => { Name => 'ThumbnailOffset', IsOffset => 1 },
);
# information extracted from Samsung trailer (ie. Samsung SM-T805 "Sound & Shot" JPEG) (ref PH)
%Image::ExifTool::Samsung::Trailer = (
GROUPS => { 0 => 'MakerNotes', 2 => 'Other' },
VARS => { NO_ID => 1 },
NOTES => q{
Tags extracted from the trailer of JPEG images written when using certain
features (such as "Sound & Shot" or "Shot & More") from Samsung models such
as the Galaxy S4 and Tab S.
},
'0x0001-name' => 'EmbeddedImageName', # ("DualShot_1","DualShot_2")
'0x0001' => { Name => 'EmbeddedImage', Groups => { 2 => 'Preview' }, Binary => 1 },
'0x0100-name' => 'EmbeddedAudioFileName', # ("SoundShot_000")
'0x0100' => { Name => 'EmbeddedAudioFile', Groups => { 2 => 'Audio' }, Binary => 1 },
'0x0201-name' => 'SurroundShotVideoName', # ("Interactive_Panorama_000")
'0x0201' => { Name => 'SurroundShotVideo', Groups => { 2 => 'Video' }, Binary => 1 },
# 0x0800-name - seen 'SoundShot_Meta_Info'
# 0x0800 - unknown (29 bytes) (contains already-extracted EmbeddedAudioFileName)
# 0x0830-name - seen '1165724808.pre'
# 0x0830 - unknown (164004 bytes)
# 0x08d0-name - seen 'Interactive_Panorama_Info'
# 0x08d0 - unknown (7984 bytes)
# 0x08e0-name - seen 'Panorama_Shot_Info'
# 0x08e0 - string, seen 'PanoramaShot'
# 0x08e1-name - seen 'Motion_Panorama_Info'
# 0x09e0-name - seen 'Burst_Shot_Info'
# 0x09e0 - string, seen '489489125'
# 0x0a01-name - seen 'Image_UTC_Data'
'0x0a01' => { #forum7161
Name => 'TimeStamp',
Groups => { 2 => 'Time' },
ValueConv => 'ConvertUnixTime($val / 1e3, 1)',
PrintConv => '$self->ConvertDateTime($val)',
},
'0x0a20-name' => 'DualCameraImageName', # ("FlipPhoto_002")
'0x0a20' => { Name => 'DualCameraImage', Groups => { 2 => 'Preview' }, Binary => 1 },
'0x0a30-name' => 'EmbeddedVideoType', # ("MotionPhoto_Data")
'0x0a30' => { Name => 'EmbeddedVideoFile', Groups => { 2 => 'Video' }, Binary => 1 }, #forum7161
# 0x0aa1-name - seen 'MCC_Data'
# 0x0aa1 - seen '234','222'
'0x0ab1-name' => 'DepthMapName', # seen 'DualShot_DepthMap_1' (SM-N950U)
'0x0ab1' => { Name => 'DepthMapData', Binary => 1 },
# 0x0ab3-name - seen 'DualShot_Extra_Info' (SM-N950U)
'0x0ab3' => { # (SM-N950U)
Name => 'DualShotInfo',
SubDirectory => { TagTable => 'Image::ExifTool::Samsung::DualShotInfo' },
},
# 0x0ac0-name - seen 'ZoomInOut_Info' (SM-N950U)
# 0x0ac0 - 2048 bytes of interesting stuff including firmware version? (SM-N950U)
# 0xa050-name - seen 'Jpeg360_2D_Info' (Samsung Gear 360)
# 0xa050 - seen 'Jpeg3602D' (Samsung Gear 360)
);
# DualShot Extra Info (ref PH)
%Image::ExifTool::Samsung::DualShotInfo = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
FIRST_ENTRY => 0,
FORMAT => 'int32u',
9 => 'DepthMapWidth',
10 => 'DepthMapHeight',
);
# Samsung composite tags
%Image::ExifTool::Samsung::Composite = (
GROUPS => { 2 => 'Image' },
WB_RGGBLevels => {
Require => {
0 => 'WB_RGGBLevelsUncorrected',
1 => 'WB_RGGBLevelsBlack',
},
ValueConv => q{
my @a = split ' ', $val[0];
my @b = split ' ', $val[1];
$a[$_] -= $b[$_] foreach 0..$#a;
return "@a";
},
},
DepthMapTiff => {
Require => {
0 => 'DepthMapData',
1 => 'DepthMapWidth',
2 => 'DepthMapHeight',
},
ValueConv => q{
return undef unless length ${$val[0]} == $val[1] * $val[2];
my $tiff = MakeTiffHeader($val[1],$val[2],1,8) . ${$val[0]};
return \$tiff;
},
}
);
# add our composite tags
Image::ExifTool::AddCompositeTags('Image::ExifTool::Samsung');
#------------------------------------------------------------------------------
# Encrypt/Decrypt NX10 information
# Inputs: 0) ExifTool ref, 1) value as a string of integers,
# 2) tagInfo hash ref, 3-N) encryption salt values
# Returns: encrypted/decrypted value
# Notes:
# 1) The encryption salt starts with '-' to reverse the encryption algorithm
# 2) Additional salt values are provided when tag stores multiple arrays
# (in which case the first value of the tag gives the array length)
sub Crypt($$$@)
{
my ($et, $val, $tagInfo, @salt) = @_;
my $key = $$et{EncryptionKey} or return undef;
my $format = $$tagInfo{Writable} || $$tagInfo{Format} or return undef;
return undef unless $formatMinMax{$format};
my ($min, $max) = @{$formatMinMax{$format}};
my @a = split ' ', $val;
my $newSalt = (@salt > 1) ? 1 : 0; # skip length entry if this is an array
my ($i, $sign, $salt, $start);
for ($i=$newSalt; $i<@a; ++$i) {
if ($i == $newSalt) {
$start = $i;
$salt = shift @salt;
$sign = ($salt =~ s/^-//) ? -1 : 1;
$newSalt += $a[0] if @salt;
}
$a[$i] += $sign * $$key[($salt+$i-$start) % scalar(@$key)];
# handle integer wrap-around
if ($sign > 0) {
$a[$i] -= $max - $min + 1 if $a[$i] > $max;
} else {
$a[$i] += $max - $min + 1 if $a[$i] < $min;
}
}
return "@a";
}
#------------------------------------------------------------------------------
# Process Samsung MP4 INFO data
# Inputs: 0) ExifTool ref, 1) dirInfo ref, 2) tag table ref
# Returns: 1 on success
sub ProcessINFO($$$)
{
my ($et, $dirInfo, $tagTablePtr) = @_;
my $dataPt = $$dirInfo{DataPt};
my $pos = $$dirInfo{DirStart};
my $len = $$dirInfo{DirLen};
my $end = $pos + $len;
$et->VerboseDir('INFO', undef, $len);
while ($pos + 8 <= $end) {
my $tag = substr($$dataPt, $pos, 4);
my $val = Get32u($dataPt, $pos + 4);
unless ($$tagTablePtr{$tag}) {
my $name = "Samsung_INFO_$tag";
$name =~ tr/-_0-9a-zA-Z//dc;
AddTagToTable($tagTablePtr, $tag, { Name => $name }) if $name;
}
$et->HandleTag($tagTablePtr, $tag, $val);
$pos += 8;
}
return 1;
}
#------------------------------------------------------------------------------
# Inputs: 0) ExifTool object ref, 1) source dirInfo ref, 2) tag table ref
# Returns: true on success
sub ProcessSamsungIFD($$$)
{
my ($et, $dirInfo, $tagTablePtr) = @_;
my $len = $$dirInfo{DataLen};
my $pos = $$dirInfo{DirStart};
return 0 unless $pos + 4 < $len;
my $dataPt = $$dirInfo{DataPt};
my $buff = substr($$dataPt, $pos, 4);
# this is not an IFD for many models
# (the string "Park Byeongchan" is often found here)
return 0 unless $buff =~ s/^([^\0])\0\0\0/$1\0$1\0/s;
my $numEntries = ord $1;
if ($$et{HTML_DUMP}) {
my $pt = $$dirInfo{DirStart} + $$dirInfo{DataPos} + $$dirInfo{Base};
$et->HDump($pt-44, 44, "MakerNotes header", 'Samsung');
$et->HDump($pt, 4, "MakerNotes entries", "Format: int32u\nEntry count: $numEntries");
$$dirInfo{NoDumpEntryCount} = 1;
}
substr($$dataPt, $pos, 4) = $buff; # insert bogus 2-byte entry count
# offset base is at end of IFD
my $shift = $$dirInfo{DirStart} + 4 + $numEntries * 12 + 4;
$$dirInfo{Base} += $shift;
$$dirInfo{DataPos} -= $shift;
$$dirInfo{DirStart} += 2; # start at bogus entry count
$$dirInfo{ZeroOffsetOK} = 1; # disable check for zero offset
delete $$et{NO_UNKNOWN}; # (set for BinaryData, but not for EXIF IFD's)
my $rtn = Image::ExifTool::Exif::ProcessExif($et, $dirInfo, $tagTablePtr);
substr($$dataPt, $pos + 2, 1) = "\0"; # remove bogus count
return $rtn;
}
#------------------------------------------------------------------------------
# Read/write Samsung trailer (ie. "Sound & Shot" written by Galaxy Tab S (SM-T805))
# Inputs: 0) ExifTool object reference, 1) dirInfo reference
# Returns: 1 on success, 0 not valid Samsung trailer, or -1 error writing
# - updates DataPos to point to start of Samsung trailer
# - updates DirLen to existing trailer length
sub ProcessSamsung($$$)
{
my ($et, $dirInfo) = @_;
my $raf = $$dirInfo{RAF};
my $offset = $$dirInfo{Offset} || 0;
my $outfile = $$dirInfo{OutFile};
my $verbose = $et->Options('Verbose');
my $unknown = $et->Options('Unknown');
my ($buff, $buf2, $index, $offsetPos, $audioNOff, $audioSize);
return 0 unless $raf->Seek(-6-$offset, 2) and $raf->Read($buff, 6) == 6 and
($buff eq 'QDIOBS' or $buff eq "\0\0SEFT");
my $endPos = $raf->Tell();
$raf->Seek(-2, 1) or return 0 if $buff eq 'QDIOBS'; # rewind to before 'BS'
my $blockEnd = $raf->Tell();
SetByteOrder('II');
# read blocks backward until we find the SEFH/SEFT block
# (the only other block I have seen is QDIO/QDIO)
SamBlock:
for (;;) {
last unless $raf->Seek($blockEnd-8, 0) and $raf->Read($buff, 8) == 8;
my $type = substr($buff, 4);
last unless $type =~ /^\w+$/;
my $len = Get32u(\$buff, 0);
last unless $len < 0x10000 and $len >= 4 and $len + 8 < $blockEnd;
last unless $raf->Seek(-8-$len, 1) and $raf->Read($buff, $len) == $len;
$blockEnd -= $len + 8;
unless ($type eq 'SEFT') { # look for directory block (ends with "SEFT")
next unless $outfile and $type eq 'QDIO';
# QDIO block format:
# 0 - 'QDIO'
# 4 - int32u: 101 (version)
# 8 - int32u: 1
# 12 - int32u: absolute offset of audio file start (augh!!)
# 16 - int32u: absolute offset of audio file end (augh!!)
# 20 - int32u: 20 (QDIO block length minus 8)
# 24 - 'QDIO'
if ($len == 20) {
# save position of audio file offset in QDIO block
$offsetPos = $endPos - $raf->Tell() + $len - 12;
} else {
$et->Error('Unsupported Samsung trailer QDIO block', 1);
}
next;
}
last unless $buff =~ /^SEFH/ and $len >= 12; # validate SEFH header
my $dirPos = $raf->Tell() - $len;
# my $ver = Get32u(\$buff, 0x04); # version (=101)
my $count = Get32u(\$buff, 0x08);
last if 12 + 12 * $count > $len;
my $tagTablePtr = GetTagTable('Image::ExifTool::Samsung::Trailer');
# scan ahead quickly to look for the block where the data comes first
# (have only seen this to be the first in the directory, but just in case)
my $firstBlock = 0;
for ($index=0; $index<$count; ++$index) {
my $entry = 12 + 12 * $index;
my $noff = Get32u(\$buff, $entry + 4); # negative offset
$firstBlock = $noff if $firstBlock < $noff;
}
# save trailer position and length
my $dataPos = $$dirInfo{DataPos} = $dirPos - $firstBlock;
my $dirLen = $$dirInfo{DirLen} = $endPos - $dataPos;
if (($verbose or $$et{HTML_DUMP}) and not $outfile) {
$et->DumpTrailer($dirInfo);
return 1 if $$et{HTML_DUMP};
}
# read through the SEFH/SEFT directory entries
for ($index=0; $index<$count; ++$index) {
my $entry = 12 + 12 * $index;
# first 2 bytes always 0 (may be part of block type)
my $type = Get16u(\$buff, $entry + 2); # block type
my $noff = Get32u(\$buff, $entry + 4); # negative offset
my $size = Get32u(\$buff, $entry + 8); # block size
last SamBlock if $noff > $dirPos or $size > $noff or $size < 8;
$firstBlock = $noff if $firstBlock < $noff;
if ($outfile) {
next unless $type == 0x0100 and not $audioNOff;
# save offset and length of first audio file for QDIO block
last unless $raf->Seek($dirPos-$noff, 0) and $raf->Read($buf2, 8) == 8;
$len = Get32u(\$buf2, 4);
$audioNOff = $noff - 8 - $len; # negative offset to start of audio data
$audioSize = $size - 8 - $len;
next;
}
# add unknown tags if necessary
my $tag = sprintf("0x%.4x", $type);
unless ($$tagTablePtr{$tag}) {
next unless $unknown or $verbose;
my %tagInfo = (
Name => "SamsungTrailer_$tag",
Description => "Samsung Trailer $tag",
Unknown => 1,
Binary => 1,
);
AddTagToTable($tagTablePtr, $tag, \%tagInfo);
}
unless ($$tagTablePtr{"$tag-name"}) {
my %tagInfo2 = (
Name => "SamsungTrailer_${tag}Name",
Description => "Samsung Trailer $tag Name",
Unknown => 1,
);
AddTagToTable($tagTablePtr, "$tag-name", \%tagInfo2);
}
last unless $raf->Seek($dirPos-$noff, 0) and $raf->Read($buf2, $size) == $size;
# (could validate the first 4 bytes of the block because they
# are the same as the first 4 bytes of the directory entry)
$len = Get32u(\$buf2, 4);
last if $len + 8 > $size;
# extract tag name and value
$et->HandleTag($tagTablePtr, "$tag-name", undef,
DataPt => \$buf2,
DataPos => $dirPos - $noff,
Start => 8,
Size => $len,
);
$et->HandleTag($tagTablePtr, $tag, undef,
DataPt => \$buf2,
DataPos => $dirPos - $noff,
Start => 8 + $len,
Size => $size - (8 + $len),
);
}
if ($outfile) {
last unless $raf->Seek($dataPos, 0) and $raf->Read($buff, $dirLen) == $dirLen;
# adjust the absolute offset in the QDIO block if necessary
if ($offsetPos and $audioNOff) {
# initialize the audio file start/end position in the QDIO block
my $newPos = Tell($outfile) + $dirPos - $audioNOff - $dataPos;
Set32u($newPos, \$buff, length($buff) - $offsetPos);
Set32u($newPos + $audioSize, \$buff, length($buff) - $offsetPos + 4);
# add a fixup so the calling routine can apply further shifts if necessary
require Image::ExifTool::Fixup;
my $fixup = $$dirInfo{Fixup};
$fixup or $fixup = $$dirInfo{Fixup} = new Image::ExifTool::Fixup;
$fixup->AddFixup(length($buff) - $offsetPos);
$fixup->AddFixup(length($buff) - $offsetPos + 4);
}
$et->VPrint(0, "Writing Samsung trailer ($dirLen bytes)\n") if $verbose;
Write($$dirInfo{OutFile}, $buff) or return -1;
return 1;
}
return 1;
}
$et->Warn('Error processing Samsung trailer',1);
return 0;
}
#------------------------------------------------------------------------------
# Write Samsung STMN maker notes
# Inputs: 0) ExifTool object ref, 1) source dirInfo ref, 2) tag table ref
# Returns: Binary data block or undefined on error
sub WriteSTMN($$$)
{
my ($et, $dirInfo, $tagTablePtr) = @_;
# create a Fixup for the PreviewImage
$$dirInfo{Fixup} = new Image::ExifTool::Fixup;
my $val = Image::ExifTool::WriteBinaryData($et, $dirInfo, $tagTablePtr);
# force PreviewImage into the trailer even if it fits in EXIF segment
$$et{PREVIEW_INFO}{IsTrailer} = 1 if $$et{PREVIEW_INFO};
return $val;
}
1; # end
__END__
=head1 NAME
Image::ExifTool::Samsung - Samsung EXIF maker notes tags
=head1 SYNOPSIS
This module is loaded automatically by Image::ExifTool when required.
=head1 DESCRIPTION
This module contains definitions required by Image::ExifTool to interpret
Samsung maker notes in EXIF information.
=head1 AUTHOR
Copyright 2003-2018, 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
=back
=head1 ACKNOWLEDGEMENTS
Thanks to Tae-Sun Park for decoding a number of tags, Pascal de Bruijn for
the PictureWizard values, and everyone else who helped by discovering new
Samsung information.
=head1 SEE ALSO
L,
L
=cut