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AIFF.pm	9.59 KB	-rw-r--r--
APE.pm	9.06 KB	-rw-r--r--
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ASF.pm	30.21 KB	-rw-r--r--
Apple.pm	5.43 KB	-rw-r--r--
Audible.pm	11.52 KB	-rw-r--r--
BMP.pm	10.45 KB	-rw-r--r--
BPG.pm	7.53 KB	-rw-r--r--
BZZ.pm	17.46 KB	-rw-r--r--
BigTIFF.pm	11.27 KB	-rw-r--r--
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CBOR.pm	11.51 KB	-rw-r--r--
Canon.pm	375.39 KB	-rw-r--r--
CanonCustom.pm	84.32 KB	-rw-r--r--
CanonRaw.pm	29.68 KB	-rw-r--r--
CanonVRD.pm	75.2 KB	-rw-r--r--
CaptureOne.pm	7.85 KB	-rw-r--r--
Casio.pm	62.21 KB	-rw-r--r--
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DjVu.pm	12.46 KB	-rw-r--r--
EXE.pm	50.3 KB	-rw-r--r--
Exif.pm	246.64 KB	-rw-r--r--
FITS.pm	5.73 KB	-rw-r--r--
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FLIF.pm	11.65 KB	-rw-r--r--
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Fixup.pm	12.43 KB	-rw-r--r--
Flash.pm	27.5 KB	-rw-r--r--
FlashPix.pm	87.44 KB	-rw-r--r--
Font.pm	27.34 KB	-rw-r--r--
FotoStation.pm	7.97 KB	-rw-r--r--
FujiFilm.pm	54.47 KB	-rw-r--r--
GE.pm	2 KB	-rw-r--r--
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GIMP.pm	8.35 KB	-rw-r--r--
GPS.pm	19.53 KB	-rw-r--r--
GeoTiff.pm	87.51 KB	-rw-r--r--
Geotag.pm	62.87 KB	-rw-r--r--
GoPro.pm	28 KB	-rw-r--r--
H264.pm	39.29 KB	-rw-r--r--
HP.pm	8 KB	-rw-r--r--
HTML.pm	22.1 KB	-rw-r--r--
HtmlDump.pm	32.8 KB	-rw-r--r--
ICC_Profile.pm	45.63 KB	-rw-r--r--
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IPTC.pm	39.54 KB	-rw-r--r--
ISO.pm	6.81 KB	-rw-r--r--
ITC.pm	6.63 KB	-rw-r--r--
Import.pm	12.83 KB	-rw-r--r--
InDesign.pm	10.4 KB	-rw-r--r--
JPEG.pm	24.3 KB	-rw-r--r--
JPEGDigest.pm	212.38 KB	-rw-r--r--
JSON.pm	6.15 KB	-rw-r--r--
JVC.pm	3.57 KB	-rw-r--r--
Jpeg2000.pm	49.65 KB	-rw-r--r--
Kodak.pm	120.47 KB	-rw-r--r--
KyoceraRaw.pm	4.31 KB	-rw-r--r--
LIF.pm	4.66 KB	-rw-r--r--
LNK.pm	22.02 KB	-rw-r--r--
Leaf.pm	16.34 KB	-rw-r--r--
Lytro.pm	7.56 KB	-rw-r--r--
M2TS.pm	37.11 KB	-rw-r--r--
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MIFF.pm	9.05 KB	-rw-r--r--
MNG.pm	16.22 KB	-rw-r--r--
MOI.pm	4.14 KB	-rw-r--r--
MPC.pm	4.05 KB	-rw-r--r--
MPEG.pm	22.32 KB	-rw-r--r--
MPF.pm	8.94 KB	-rw-r--r--
MRC.pm	18.39 KB	-rw-r--r--
MWG.pm	30.64 KB	-rw-r--r--
MXF.pm	252.65 KB	-rw-r--r--
MacOS.pm	30.7 KB	-rw-r--r--
MakerNotes.pm	68.93 KB	-rw-r--r--
Matroska.pm	34.44 KB	-rw-r--r--
Microsoft.pm	52.13 KB	-rw-r--r--
Minolta.pm	99.93 KB	-rw-r--r--
MinoltaRaw.pm	16.49 KB	-rw-r--r--
Motorola.pm	5.31 KB	-rw-r--r--
Nikon.pm	431.96 KB	-rw-r--r--
NikonCapture.pm	28.13 KB	-rw-r--r--
NikonCustom.pm	290.78 KB	-rw-r--r--
NikonSettings.pm	71.88 KB	-rw-r--r--
Nintendo.pm	3.24 KB	-rw-r--r--
OOXML.pm	13.61 KB	-rw-r--r--
Ogg.pm	8.81 KB	-rw-r--r--
Olympus.pm	139.89 KB	-rw-r--r--
OpenEXR.pm	10.26 KB	-rw-r--r--
Opus.pm	2.22 KB	-rw-r--r--
Other.pm	2.63 KB	-rw-r--r--
PCX.pm	3.72 KB	-rw-r--r--
PDF.pm	90.77 KB	-rw-r--r--
PGF.pm	4.04 KB	-rw-r--r--
PICT.pm	33.2 KB	-rw-r--r--
PLIST.pm	17.07 KB	-rw-r--r--
PLUS.pm	147.71 KB	-rw-r--r--
PNG.pm	60.72 KB	-rw-r--r--
PPM.pm	4.97 KB	-rw-r--r--
PSP.pm	9.02 KB	-rw-r--r--
Palm.pm	11.9 KB	-rw-r--r--
Panasonic.pm	96.62 KB	-rw-r--r--
PanasonicRaw.pm	31.77 KB	-rw-r--r--
Parrot.pm	20.95 KB	-rw-r--r--
Pentax.pm	220.46 KB	-rw-r--r--
PhaseOne.pm	26.24 KB	-rw-r--r--
PhotoCD.pm	18.25 KB	-rw-r--r--
PhotoMechanic.pm	8.09 KB	-rw-r--r--
Photoshop.pm	43.36 KB	-rw-r--r--
PostScript.pm	29.11 KB	-rw-r--r--
PrintIM.pm	3.44 KB	-rw-r--r--
Qualcomm.pm	43.43 KB	-rw-r--r--
QuickTime.pm	409.72 KB	-rw-r--r--
QuickTimeStream.pl	126.03 KB	-rw-r--r--
RIFF.pm	70.97 KB	-rw-r--r--
RSRC.pm	9.58 KB	-rw-r--r--
RTF.pm	13.46 KB	-rw-r--r--
Radiance.pm	4.56 KB	-rw-r--r--
Rawzor.pm	6.17 KB	-rw-r--r--
Real.pm	26.89 KB	-rw-r--r--
Reconyx.pm	14.2 KB	-rw-r--r--
Red.pm	10.82 KB	-rw-r--r--
Ricoh.pm	37.18 KB	-rw-r--r--
Samsung.pm	54.64 KB	-rw-r--r--
Sanyo.pm	11.83 KB	-rw-r--r--
Scalado.pm	3.91 KB	-rw-r--r--
Shift.pl	23.28 KB	-rw-r--r--
Shortcuts.pm	9.81 KB	-rw-r--r--
Sigma.pm	33.16 KB	-rw-r--r--
SigmaRaw.pm	23.45 KB	-rw-r--r--
Sony.pm	439.69 KB	-rw-r--r--
SonyIDC.pm	11.95 KB	-rw-r--r--
Stim.pm	4.53 KB	-rw-r--r--
TagInfoXML.pm	33.14 KB	-rw-r--r--
TagLookup.pm	647.18 KB	-rw-r--r--
TagNames.pod	1.76 MB	-rw-r--r--
Text.pm	8.12 KB	-rw-r--r--
Theora.pm	3.41 KB	-rw-r--r--
Torrent.pm	11.58 KB	-rw-r--r--
Unknown.pm	1.69 KB	-rw-r--r--
VCard.pm	17.31 KB	-rw-r--r--
Validate.pm	29.75 KB	-rw-r--r--
Vorbis.pm	8.13 KB	-rw-r--r--
WTV.pm	12.97 KB	-rw-r--r--
WriteCanonRaw.pl	24.29 KB	-rw-r--r--
WriteExif.pl	130.6 KB	-rw-r--r--
WriteIPTC.pl	29.6 KB	-rw-r--r--
WritePDF.pl	29.02 KB	-rw-r--r--
WritePNG.pl	16.07 KB	-rw-r--r--
WritePhotoshop.pl	10.85 KB	-rw-r--r--
WritePostScript.pl	26.71 KB	-rw-r--r--
WriteQuickTime.pl	89.63 KB	-rw-r--r--
WriteXMP.pl	70.49 KB	-rw-r--r--
Writer.pl	301.76 KB	-rw-r--r--
XMP.pm	176.89 KB	-rw-r--r--
XMP2.pl	81.66 KB	-rw-r--r--
XMPStruct.pl	36.66 KB	-rw-r--r--
ZIP.pm	27.61 KB	-rw-r--r--
ZISRAW.pm	7.85 KB	-rw-r--r--
iWork.pm	7.79 KB	-rw-r--r--

Code Editor : Samsung.pm

#------------------------------------------------------------------------------
# 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 communication (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 = '1.51';

sub WriteSTMN($$$);
sub ProcessINFO($$$);
sub ProcessSamsungMeta($$$);
sub ProcessSamsungIFD($$$);
sub ProcessSamsung($$$);

# 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 L<Unknown|../ExifTool.html#Unknown> (-u) or L<Verbose|../ExifTool.html#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',
            0x5a0001e => 'WB5500 / VLUU WB5500 / HZ50W',
            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',
        ValueConv => '$val=~s/ .*//; $val', # some models write 2 values here
        ValueConvInv => '$val',
        PrintConv => 'Image::ExifTool::Exif::PrintExposureTime($val)',
        PrintConvInv => '$val',
    },
    0xa019 => { #1
        Name => 'FNumber',
        Priority => 0,
        Writable => 'rational64u',
        ValueConv => '$val=~s/ .*//; $val', # some models write 2 values here
        ValueConvInv => '$val',
        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 "ssuniqueid\0" APP5 (ref PH)
%Image::ExifTool::Samsung::APP5 = (
    GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' },
    ssuniqueid => {
        Name => 'UniqueID',
        # 32 bytes - some sort of serial number?
        ValueConv => 'unpack("H*",$val)',
    },
);

# 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, HEX_ID => 0 },
    PROCESS_PROC => \&ProcessSamsung,
    PRIORITY => 0, # (first one takes priority so DepthMapWidth/Height match first DepthMapData)
    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, and from the 'sefd' atom in HEIC images from the
        Samsung S10+.
    },
    '0x0001-name' => {
        Name => 'EmbeddedImageName', # ("DualShot_1","DualShot_2")
        RawConv => '$$self{EmbeddedImageName} = $val',
    },
    '0x0001' => [
        {
            Name => 'EmbeddedImage',
            Condition => '$$self{EmbeddedImageName} eq "DualShot_1"',
            Groups => { 2 => 'Preview' },
            Binary => 1,
        },
        {
            Name => 'EmbeddedImage2',
            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'
   # 0x0910-name - seen 'Front_Cam_Selfie_Info'
   # 0x0910 - string, seen 'Front_Cam_Selfie_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 '204','222','234','302','429'
    '0x0aa1' => 'MCCData', # (unknown meaning)
   # 0x0ab0-name - seen 'DualShot_Meta_Info'
    '0x0ab1-name' => {
        Name => 'DepthMapName',
        # seen 'DualShot_DepthMap_1' (SM-N950U), DualShot_DepthMap_5 (SM-G998W)
        RawConv => '$$self{DepthMapName} = $val',
    },
    '0x0ab1' => [
        {
            Name => 'DepthMapData',
            Condition => '$$self{DepthMapName} eq "DualShot_DepthMap_1"',
            Binary => 1,
        },{
            Name => 'DepthMapData2',
            Binary => 1,
        },
    ],
   # 0x0ab3-name - seen 'DualShot_Extra_Info' (SM-N950U)
    '0x0ab3' => { # (SM-N950U)
        Name => 'DualShotExtra',
        SubDirectory => { TagTable => 'Image::ExifTool::Samsung::DualShotExtra' },
     },
   # 0x0ac0-name - seen 'ZoomInOut_Info' (SM-N950U)
   # 0x0ac0 - 2048 bytes of interesting stuff including firmware version? (SM-N950U)
    '0x0b40' => { # (SM-N975X front camera)
        Name => 'SingleShotMeta',
        SubDirectory => { TagTable => 'Image::ExifTool::Samsung::SingleShotMeta' },
     },
   # 0x0b41-name - seen 'SingeShot_DepthMap_1' (Yes, "Singe") (SM-N975X front camera)
    '0x0b41' => { Name => 'SingleShotDepthMap', Binary => 1 },
   # 0xa050-name - seen 'Jpeg360_2D_Info' (Samsung Gear 360)
   # 0xa050 - seen 'Jpeg3602D' (Samsung Gear 360)
);

# DualShot Extra Info (ref PH)
%Image::ExifTool::Samsung::DualShotExtra = (
    PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
    GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
    FIRST_ENTRY => 0,
    FORMAT => 'int32u',
    # This is a pain, but the DepthMapWidth/Height move around in this record.
    # In all of my samples so far, the bytes "01 00 ff ff" precede these tags.
    # I have seen this byte sequence at offsets 32, 60, 64 and 68, so look for
    # it in bytes 32-95, and use its location to adjust the tag positions
    8 => {
        Name => 'DualShotDummy',
        Format => 'undef[64]',
        Hidden => 1,
        Hook => q{
            if ($size >= 96) {
                my $tmp = substr($$dataPt, $pos, 64);
                # (have seen 0x01,0x03 and 0x07)
                if ($tmp =~ /[\x01-\x09]\0\xff\xff/g and not pos($tmp) % 4) {
                    $$self{DepthMapTagPos} = pos($tmp);
                    $varSize += $$self{DepthMapTagPos} - 32;
                }
            }
        },
        RawConv => 'undef', # not a real tag
    },
    16 => {
        Name => 'DepthMapWidth',
        Condition => '$$self{DepthMapTagPos}',
        Notes => 'index varies depending on model',
    },
    17 => {
        Name => 'DepthMapHeight',
        Condition => '$$self{DepthMapTagPos}',
        Notes => 'index varies depending on model',
    },
);

# SingleShot Meta Info (ref PH) (SM-N975X front camera)
%Image::ExifTool::Samsung::SingleShotMeta = (
    PROCESS_PROC => \&ProcessSamsungMeta,
    GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
    inputWidth          => { },
    inputHeight         => { },
    outputWidth         => { },
    outputHeight        => { },
    segWidth            => { },
    segHeight           => { },
    depthSWWidth        => { },
    depthSWHeight       => { },
    depthHWWidth        => { },
    depthHWHeight       => { },
    flipStatus          => { },
    lensFacing          => { },
    deviceOrientation   => { },
    objectOrientation   => { },
    isArtBokeh          => { },
    beautyRetouchLevel  => { },
    beautyColorLevel    => { },
    effectType          => { },
    effectStrength      => { },
    blurStrength        => { },
    spinStrength        => { },
    zoomStrength        => { },
    colorpopStrength    => { },
    monoStrength        => { },
    sidelightStrength   => { },
    vintageStrength     => { },
    bokehShape          => { },
    perfMode            => { },
);

# 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;
        },
    },
    SingleShotDepthMapTiff => {
        Require => {
            0 => 'SingleShotDepthMap',
            1 => 'SegWidth',
            2 => 'SegHeight',
        },
        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;
}

#------------------------------------------------------------------------------
# Read Samsung Meta Info from trailer
# Inputs: 0) ExifTool object ref, 1) source dirInfo ref, 2) tag table ref
# Returns: true on success
sub ProcessSamsungMeta($$$)
{
    my ($et, $dirInfo, $tagTablePtr) = @_;
    my $dirName = $$dirInfo{DirName};
    my $dataPt = $$dirInfo{DataPt};
    my $pos = $$dirInfo{DirStart};
    my $end = $$dirInfo{DirLen} + $pos;
    unless ($pos + 8 <= $end and substr($$dataPt, $pos, 4) eq 'DOFS') {
        $et->Warn("Unrecognized $dirName data");
        return 0;
    }
    my $ver = Get32u($dataPt, $pos + 4);
    if ($ver == 3) {
        unless ($pos + 18 <= $end and Get32u($dataPt, $pos + 12) == $$dirInfo{DirLen}) {
            $et->Warn("Unrecognized $dirName version $ver data");
            return 0;
        }
        my $num = Get16u($dataPt, $pos + 16);
        $et->VerboseDir("$dirName version $ver", $num);
        $pos += 18;
        my ($i, $val);
        for ($i=0; $i<$num; ++$i) {
            last if $pos + 2 > $end;
            my ($x, $n) = unpack("x${pos}CC", $$dataPt);
            $pos += 2;
            last if $pos + $n + 2 > $end;
            my $tag = substr($$dataPt, $pos, $n);
            my $len = Get16u($dataPt, $pos + $n);
            $pos += $n + 2;
            last if $pos + $len > $end;
            if ($len == 4) {
                $val = Get32u($dataPt, $pos);
            } else {
                my $tmp = substr($$dataPt, $pos, $len);
                $val = \$pos;
            }
            $et->HandleTag($tagTablePtr, $tag, $val);
            $pos += $len;
        }
        $et->Warn("Unexpected end of $dirName version $ver $i $num data") if $i < $num;
    }
    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);

unless ($raf) {
        $raf = new File::RandomAccess($$dirInfo{DataPt});
        $et->VerboseDir('SamsungTrailer');
    }
    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 $$et{HTML_DUMP}) and not $outfile and $$dirInfo{RAF}) {
            $et->DumpTrailer($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

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/>

=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<Image::ExifTool::TagNames/Samsung Tags>,
L<Image::ExifTool(3pm)|Image::ExifTool>

=cut

${this.title}

Code Editor : Samsung.pm