diff -r 2e2ef5c99985 -r f74d8cf678ce degal/exif_data.py --- a/degal/exif_data.py Sun Jun 14 16:09:04 2009 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1304 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- - -""" - EXIF file format data, including tag names, types, etc. - - Most of this was copied with modifications from EXIFpy: - # Library to extract EXIF information from digital camera image files - # http://sourceforge.net/projects/exif-py/ - # - # VERSION 1.1.0 - # - # Copyright (c) 2002-2007 Gene Cash All rights reserved - # Copyright (c) 2007-2008 Ianaré Sévi All rights reserved - # - # Redistribution and use in source and binary forms, with or without - # modification, are permitted provided that the following conditions - # are met: - # - # 1. Redistributions of source code must retain the above copyright - # notice, this list of conditions and the following disclaimer. - # - # 2. Redistributions in binary form must reproduce the above - # copyright notice, this list of conditions and the following - # disclaimer in the documentation and/or other materials provided - # with the distribution. - # - # 3. Neither the name of the authors nor the names of its contributors - # may be used to endorse or promote products derived from this - # software without specific prior written permission. - # - # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -""" - -import decimal, itertools - -def filter_ascii (values) : - """ - Default post-filter for ASCII values. - - This takes a single item of string data, splits it up into strings by ASCII-NUL. - - These sub-strings are then decoded into unicode as ASCII, and stripped. - """ - - return [string.decode('ascii', 'replace').rstrip() for string in values[0].split('\x00') if string] - -def build_ratio (num, denom) : - """ - Builds a Decimal ratio out of the given numerator and denominator - """ - - # XXX: this may be slow - return decimal.Decimal(num) / decimal.Decimal(denom) - -def filter_ratio (values) : - """ - Default post-filter for Ratio values. - - This takes the pairs of numerator/denominator values and builds Decimals out of them - """ - - return [build_ratio(values[i], values[i + 1]) for i in xrange(0, len(values), 2)] - - -# IFD Tag type information, indexed by code -# { type_code: (type_fmt, name, filter_func) } -# -# type_fmt's that are one char will be prefixed with the count for use with struct.unpack, those with more chars will -# be repeated as many times for use with struct.unpack. -FIELD_TYPES = { -# 0x0000: (None, 'Proprietary' ), # ??? no such type - 0x0001: ('B', 'Byte', None ), - 0x0002: ('s', 'ASCII', filter_ascii ), - 0x0003: ('H', 'Short', None ), - 0x0004: ('L', 'Long', None ), - 0x0005: ('LL', 'Ratio', filter_ratio ), - 0x0006: ('b', 'Signed Byte', None ), - 0x0007: ('s', 'Undefined', None ), - 0x0008: ('h', 'Signed Short', None ), - 0x0009: ('l', 'Signed Long', None ), - 0x000A: ('ll', 'Signed Ratio', filter_ratio ), -} - -# magic value to indicate sub-IFDs -SUB_IFD_MAGIC = object() - - -class Tag (object) : - """ - Represents an Exif Tag - """ - - def __init__ (self, name) : - """ - Build Exif tag with given name, and optional external values-filter function. - """ - - self.name = name - - def map_values (self, values) : - """ - Map the given tag value to a printable string using the given value spec. - """ - - # default value-mapping - return ", ".join(str(value) for value in values) - -class TagDict (Tag) : - """ - A tag with a dict mapping values to names - """ - - def __init__ (self, name, values_dict) : - super(TagDict, self).__init__(name) - - self.values_dict = values_dict - - def map_values (self, values) : - """ - Map the values through our dict, defaulting to the repr. - """ - - return ", ".join(self.values_dict.get(value, repr(value)) for value in values) - -class TagFunc (Tag) : - """ - A tag with a simple function mapping values to names - """ - - def __init__ (self, name, values_func) : - super(TagFunc, self).__init__(name) - - self.values_func = values_func - - def map_values (self, values) : - """ - Map the values through our func - """ - - return self.values_func(values) - -class IFDTag (Tag) : - """ - A tag that references another IFD - """ - - def __init__ (self, name, ifd_tags=None) : - """ - A tag that points to another IFD block. `ifd_tags`, if given, lists the tags for that block, otherwise, - the same tags as for the current block are used. - """ - - super(IFDTag, self).__init__(name) - - self.ifd_tags = ifd_tags - -USER_COMMENT_CHARSETS = { - 'ASCII': ('ascii', 'replace' ), - 'JIS': ('jis', 'error' ), - - # XXX: WTF? What kind of charset is 'Unicode' supposed to be? - # UTF-16? Little-endian? Big-endian? - # Confusing reigns: http://www.cpanforum.com/threads/7329 - 'UNICODE': ('utf16', 'error' ), -} - - -def decode_UserComment (values) : - """ - A UserComment field starts with an eight-byte encoding designator. - """ - - # single binary string - value, = values - - # split up - charset, comment_raw = value[:8], value[8:] - - # strip NILs - charset = charset.rstrip('\x00') - - # map - encoding, replace = USER_COMMENT_CHARSETS.get(charset, ('ascii', 'replace')) - - # decode - return [comment_raw.decode(encoding, replace)] - -# Mappings of Exif tag codes to name and decoding information. -# { tag : (name, value_dict/value_func/None/SUB_IFD_MAGIC) } -# -# name is the official Exif tag name -# value_dict is a { value: value_name } mapping for human-readable values -# value_func is a `(values) -> values` mapping function which *overrides* the tag's type_func. -# XXX: or does it? -# SUB_IFD_MAGIC signifies that this IFD points to -# otherwise, the value is left as-is. -# interoperability tags -INTR_TAGS = { - 0x0001: Tag('InteroperabilityIndex'), - 0x0002: Tag('InteroperabilityVersion'), - 0x1000: Tag('RelatedImageFileFormat'), - 0x1001: Tag('RelatedImageWidth'), - 0x1002: Tag('RelatedImageLength'), - } - -# GPS tags (not used yet, haven't seen camera with GPS) -GPS_TAGS = { - 0x0000: Tag('GPSVersionID'), - 0x0001: Tag('GPSLatitudeRef'), - 0x0002: Tag('GPSLatitude'), - 0x0003: Tag('GPSLongitudeRef'), - 0x0004: Tag('GPSLongitude'), - 0x0005: Tag('GPSAltitudeRef'), - 0x0006: Tag('GPSAltitude'), - 0x0007: Tag('GPSTimeStamp'), - 0x0008: Tag('GPSSatellites'), - 0x0009: Tag('GPSStatus'), - 0x000A: Tag('GPSMeasureMode'), - 0x000B: Tag('GPSDOP'), - 0x000C: Tag('GPSSpeedRef'), - 0x000D: Tag('GPSSpeed'), - 0x000E: Tag('GPSTrackRef'), - 0x000F: Tag('GPSTrack'), - 0x0010: Tag('GPSImgDirectionRef'), - 0x0011: Tag('GPSImgDirection'), - 0x0012: Tag('GPSMapDatum'), - 0x0013: Tag('GPSDestLatitudeRef'), - 0x0014: Tag('GPSDestLatitude'), - 0x0015: Tag('GPSDestLongitudeRef'), - 0x0016: Tag('GPSDestLongitude'), - 0x0017: Tag('GPSDestBearingRef'), - 0x0018: Tag('GPSDestBearing'), - 0x0019: Tag('GPSDestDistanceRef'), - 0x001A: Tag('GPSDestDistance'), - 0x001D: Tag('GPSDate'), - } - - -EXIF_TAGS = { - 0x0100: Tag('ImageWidth'), - 0x0101: Tag('ImageLength'), - 0x0102: Tag('BitsPerSample'), - 0x0103: TagDict('Compression', - {1: 'Uncompressed', - 2: 'CCITT 1D', - 3: 'T4/Group 3 Fax', - 4: 'T6/Group 4 Fax', - 5: 'LZW', - 6: 'JPEG (old-style)', - 7: 'JPEG', - 8: 'Adobe Deflate', - 9: 'JBIG B&W', - 10: 'JBIG Color', - 32766: 'Next', - 32769: 'Epson ERF Compressed', - 32771: 'CCIRLEW', - 32773: 'PackBits', - 32809: 'Thunderscan', - 32895: 'IT8CTPAD', - 32896: 'IT8LW', - 32897: 'IT8MP', - 32898: 'IT8BL', - 32908: 'PixarFilm', - 32909: 'PixarLog', - 32946: 'Deflate', - 32947: 'DCS', - 34661: 'JBIG', - 34676: 'SGILog', - 34677: 'SGILog24', - 34712: 'JPEG 2000', - 34713: 'Nikon NEF Compressed', - 65000: 'Kodak DCR Compressed', - 65535: 'Pentax PEF Compressed'}), - 0x0106: Tag('PhotometricInterpretation'), - 0x0107: Tag('Thresholding'), - 0x010A: Tag('FillOrder'), - 0x010D: Tag('DocumentName'), - 0x010E: Tag('ImageDescription'), - 0x010F: Tag('Make'), - 0x0110: Tag('Model'), - 0x0111: Tag('StripOffsets'), - 0x0112: TagDict('Orientation', - {1: 'Horizontal (normal)', - 2: 'Mirrored horizontal', - 3: 'Rotated 180', - 4: 'Mirrored vertical', - 5: 'Mirrored horizontal then rotated 90 CCW', - 6: 'Rotated 90 CW', - 7: 'Mirrored horizontal then rotated 90 CW', - 8: 'Rotated 90 CCW'}), - 0x0115: Tag('SamplesPerPixel'), - 0x0116: Tag('RowsPerStrip'), - 0x0117: Tag('StripByteCounts'), - 0x011A: Tag('XResolution'), - 0x011B: Tag('YResolution'), - 0x011C: Tag('PlanarConfiguration'), - 0x011D: Tag('PageName'), - 0x0128: TagDict('ResolutionUnit', - {1: 'Not Absolute', - 2: 'Pixels/Inch', - 3: 'Pixels/Centimeter'}), - 0x012D: Tag('TransferFunction'), - 0x0131: Tag('Software'), - 0x0132: Tag('DateTime'), - 0x013B: Tag('Artist'), - 0x013E: Tag('WhitePoint'), - 0x013F: Tag('PrimaryChromaticities'), - 0x0156: Tag('TransferRange'), - 0x0200: Tag('JPEGProc'), - 0x0201: Tag('JPEGInterchangeFormat'), - 0x0202: Tag('JPEGInterchangeFormatLength'), - 0x0211: Tag('YCbCrCoefficients'), - 0x0212: Tag('YCbCrSubSampling'), - 0x0213: TagDict('YCbCrPositioning', - {1: 'Centered', - 2: 'Co-sited'}), - 0x0214: Tag('ReferenceBlackWhite'), - - 0x4746: Tag('Rating'), - - 0x828D: Tag('CFARepeatPatternDim'), - 0x828E: Tag('CFAPattern'), - 0x828F: Tag('BatteryLevel'), - 0x8298: Tag('Copyright'), - 0x829A: Tag('ExposureTime'), - 0x829D: Tag('FNumber'), - 0x83BB: Tag('IPTC/NAA'), - 0x8769: IFDTag('ExifOffset', None), - 0x8773: Tag('InterColorProfile'), - 0x8822: TagDict('ExposureProgram', - {0: 'Unidentified', - 1: 'Manual', - 2: 'Program Normal', - 3: 'Aperture Priority', - 4: 'Shutter Priority', - 5: 'Program Creative', - 6: 'Program Action', - 7: 'Portrait Mode', - 8: 'Landscape Mode'}), - 0x8824: Tag('SpectralSensitivity'), - 0x8825: IFDTag('GPSInfo', GPS_TAGS), - 0x8827: Tag('ISOSpeedRatings'), - 0x8828: Tag('OECF'), - 0x9000: Tag('ExifVersion'), - 0x9003: Tag('DateTimeOriginal'), - 0x9004: Tag('DateTimeDigitized'), - 0x9101: TagDict('ComponentsConfiguration', - {0: '', - 1: 'Y', - 2: 'Cb', - 3: 'Cr', - 4: 'Red', - 5: 'Green', - 6: 'Blue'}), - 0x9102: Tag('CompressedBitsPerPixel'), - 0x9201: Tag('ShutterSpeedValue'), - 0x9202: Tag('ApertureValue'), - 0x9203: Tag('BrightnessValue'), - 0x9204: Tag('ExposureBiasValue'), - 0x9205: Tag('MaxApertureValue'), - 0x9206: Tag('SubjectDistance'), - 0x9207: TagDict('MeteringMode', - {0: 'Unidentified', - 1: 'Average', - 2: 'CenterWeightedAverage', - 3: 'Spot', - 4: 'MultiSpot', - 5: 'Pattern'}), - 0x9208: TagDict('LightSource', - {0: 'Unknown', - 1: 'Daylight', - 2: 'Fluorescent', - 3: 'Tungsten', - 9: 'Fine Weather', - 10: 'Flash', - 11: 'Shade', - 12: 'Daylight Fluorescent', - 13: 'Day White Fluorescent', - 14: 'Cool White Fluorescent', - 15: 'White Fluorescent', - 17: 'Standard Light A', - 18: 'Standard Light B', - 19: 'Standard Light C', - 20: 'D55', - 21: 'D65', - 22: 'D75', - 255: 'Other'}), - 0x9209: TagDict('Flash', - {0: 'No', - 1: 'Fired', - 5: 'Fired (?)', # no return sensed - 7: 'Fired (!)', # return sensed - 9: 'Fill Fired', - 13: 'Fill Fired (?)', - 15: 'Fill Fired (!)', - 16: 'Off', - 24: 'Auto Off', - 25: 'Auto Fired', - 29: 'Auto Fired (?)', - 31: 'Auto Fired (!)', - 32: 'Not Available'}), - 0x920A: Tag('FocalLength'), - 0x9214: Tag('SubjectArea'), - 0x927C: Tag('MakerNote'), - 0x9286: TagFunc('UserComment', decode_UserComment), - 0x9290: Tag('SubSecTime'), - 0x9291: Tag('SubSecTimeOriginal'), - 0x9292: Tag('SubSecTimeDigitized'), - - # used by Windows Explorer - 0x9C9B: Tag('XPTitle'), - 0x9C9C: Tag('XPComment'), - 0x9C9D: Tag('XPAuthor'), #(ignored by Windows Explorer if Artist exists) - 0x9C9E: Tag('XPKeywords'), - 0x9C9F: Tag('XPSubject'), - - 0xA000: Tag('FlashPixVersion'), - 0xA001: TagDict('ColorSpace', - {1: 'sRGB', - 2: 'Adobe RGB', - 65535: 'Uncalibrated'}), - 0xA002: Tag('ExifImageWidth'), - 0xA003: Tag('ExifImageLength'), - 0xA005: IFDTag('InteroperabilityOffset', INTR_TAGS), - 0xA20B: Tag('FlashEnergy'), # 0x920B in TIFF/EP - 0xA20C: Tag('SpatialFrequencyResponse'), # 0x920C - 0xA20E: Tag('FocalPlaneXResolution'), # 0x920E - 0xA20F: Tag('FocalPlaneYResolution'), # 0x920F - 0xA210: Tag('FocalPlaneResolutionUnit'), # 0x9210 - 0xA214: Tag('SubjectLocation'), # 0x9214 - 0xA215: Tag('ExposureIndex'), # 0x9215 - 0xA217: TagDict('SensingMethod', # 0x9217 - {1: 'Not defined', - 2: 'One-chip color area', - 3: 'Two-chip color area', - 4: 'Three-chip color area', - 5: 'Color sequential area', - 7: 'Trilinear', - 8: 'Color sequential linear'}), - 0xA300: TagDict('FileSource', - {1: 'Film Scanner', - 2: 'Reflection Print Scanner', - 3: 'Digital Camera'}), - 0xA301: TagDict('SceneType', - {1: 'Directly Photographed'}), - 0xA302: Tag('CVAPattern'), - 0xA401: TagDict('CustomRendered', - {0: 'Normal', - 1: 'Custom'}), - 0xA402: TagDict('ExposureMode', - {0: 'Auto Exposure', - 1: 'Manual Exposure', - 2: 'Auto Bracket'}), - 0xA403: TagDict('WhiteBalance', - {0: 'Auto', - 1: 'Manual'}), - 0xA404: Tag('DigitalZoomRatio'), - 0xA405: ('FocalLengthIn35mmFilm', None), - 0xA406: TagDict('SceneCaptureType', - {0: 'Standard', - 1: 'Landscape', - 2: 'Portrait', - 3: 'Night)'}), - 0xA407: TagDict('GainControl', - {0: 'None', - 1: 'Low gain up', - 2: 'High gain up', - 3: 'Low gain down', - 4: 'High gain down'}), - 0xA408: TagDict('Contrast', - {0: 'Normal', - 1: 'Soft', - 2: 'Hard'}), - 0xA409: TagDict('Saturation', - {0: 'Normal', - 1: 'Soft', - 2: 'Hard'}), - 0xA40A: TagDict('Sharpness', - {0: 'Normal', - 1: 'Soft', - 2: 'Hard'}), - 0xA40B: Tag('DeviceSettingDescription'), - 0xA40C: Tag('SubjectDistanceRange'), - 0xA500: Tag('Gamma'), - 0xC4A5: Tag('PrintIM'), - 0xEA1C: ('Padding', None), - } - -# http://tomtia.plala.jp/DigitalCamera/MakerNote/index.asp -def nikon_ev_bias (seq) : - """ - # First digit seems to be in steps of 1/6 EV. - # Does the third value mean the step size? It is usually 6, - # but it is 12 for the ExposureDifference. - """ - - # check for an error condition that could cause a crash. - # this only happens if something has gone really wrong in - # reading the Nikon MakerNote. - if len(seq) < 4 : - return "" - - if seq == [252, 1, 6, 0]: - return "-2/3 EV" - - if seq == [253, 1, 6, 0]: - return "-1/2 EV" - - if seq == [254, 1, 6, 0]: - return "-1/3 EV" - - if seq == [0, 1, 6, 0]: - return "0 EV" - - if seq == [2, 1, 6, 0]: - return "+1/3 EV" - - if seq == [3, 1, 6, 0]: - return "+1/2 EV" - - if seq == [4, 1, 6, 0]: - return "+2/3 EV" - - # handle combinations not in the table. - a = seq[0] - - # causes headaches for the +/- logic, so special case it. - if a == 0: - return "0 EV" - - if a > 127: - a = 256 - a - ret_str = "-" - else: - ret_str = "+" - - b = seq[2] # assume third value means the step size - - whole = a / b - - a = a % b - - if whole != 0 : - ret_str = ret_str + str(whole) + " " - - if a == 0 : - ret_str = ret_str + "EV" - else : - r = Ratio(a, b) - ret_str = ret_str + r.__repr__() + " EV" - - return ret_str - -# Nikon E99x MakerNote Tags -MAKERNOTE_NIKON_NEWER_TAGS={ - 0x0001: Tag('MakernoteVersion'), # Sometimes binary - 0x0002: Tag('ISOSetting'), - 0x0003: Tag('ColorMode'), - 0x0004: Tag('Quality'), - 0x0005: Tag('Whitebalance'), - 0x0006: Tag('ImageSharpening'), - 0x0007: Tag('FocusMode'), - 0x0008: Tag('FlashSetting'), - 0x0009: Tag('AutoFlashMode'), - 0x000B: Tag('WhiteBalanceBias'), - 0x000C: Tag('WhiteBalanceRBCoeff'), - 0x000D: TagFunc('ProgramShift', nikon_ev_bias), - # Nearly the same as the other EV vals, but step size is 1/12 EV (?) - 0x000E: TagFunc('ExposureDifference', nikon_ev_bias), - 0x000F: Tag('ISOSelection'), - 0x0011: Tag('NikonPreview'), - 0x0012: TagFunc('FlashCompensation', nikon_ev_bias), - 0x0013: Tag('ISOSpeedRequested'), - 0x0016: Tag('PhotoCornerCoordinates'), - # 0x0017: Unknown, but most likely an EV value - 0x0018: TagFunc('FlashBracketCompensationApplied', nikon_ev_bias), - 0x0019: Tag('AEBracketCompensationApplied'), - 0x001A: Tag('ImageProcessing'), - 0x001B: Tag('CropHiSpeed'), - 0x001D: Tag('SerialNumber'), # Conflict with 0x00A0 ? - 0x001E: Tag('ColorSpace'), - 0x001F: Tag('VRInfo'), - 0x0020: Tag('ImageAuthentication'), - 0x0022: Tag('ActiveDLighting'), - 0x0023: Tag('PictureControl'), - 0x0024: Tag('WorldTime'), - 0x0025: Tag('ISOInfo'), - 0x0080: Tag('ImageAdjustment'), - 0x0081: Tag('ToneCompensation'), - 0x0082: Tag('AuxiliaryLens'), - 0x0083: Tag('LensType'), - 0x0084: Tag('LensMinMaxFocalMaxAperture'), - 0x0085: Tag('ManualFocusDistance'), - 0x0086: Tag('DigitalZoomFactor'), - 0x0087: TagDict('FlashMode', - {0x00: 'Did Not Fire', - 0x01: 'Fired, Manual', - 0x07: 'Fired, External', - 0x08: 'Fired, Commander Mode ', - 0x09: 'Fired, TTL Mode'}), - 0x0088: TagDict('AFFocusPosition', - {0x0000: 'Center', - 0x0100: 'Top', - 0x0200: 'Bottom', - 0x0300: 'Left', - 0x0400: 'Right'}), - 0x0089: TagDict('BracketingMode', - {0x00: 'Single frame, no bracketing', - 0x01: 'Continuous, no bracketing', - 0x02: 'Timer, no bracketing', - 0x10: 'Single frame, exposure bracketing', - 0x11: 'Continuous, exposure bracketing', - 0x12: 'Timer, exposure bracketing', - 0x40: 'Single frame, white balance bracketing', - 0x41: 'Continuous, white balance bracketing', - 0x42: 'Timer, white balance bracketing'}), - 0x008A: Tag('AutoBracketRelease'), - 0x008B: Tag('LensFStops'), - 0x008C: ('NEFCurve1', None), # ExifTool calls this 'ContrastCurve' - 0x008D: Tag('ColorMode'), - 0x008F: Tag('SceneMode'), - 0x0090: Tag('LightingType'), - 0x0091: Tag('ShotInfo'), # First 4 bytes are a version number in ASCII - 0x0092: Tag('HueAdjustment'), - # ExifTool calls this 'NEFCompression', should be 1-4 - 0x0093: Tag('Compression'), - 0x0094: TagDict('Saturation', - {-3: 'B&W', - -2: '-2', - -1: '-1', - 0: '0', - 1: '1', - 2: '2'}), - 0x0095: Tag('NoiseReduction'), - 0x0096: ('NEFCurve2', None), # ExifTool calls this 'LinearizationTable' - 0x0097: Tag('ColorBalance'), # First 4 bytes are a version number in ASCII - 0x0098: Tag('LensData'), # First 4 bytes are a version number in ASCII - 0x0099: Tag('RawImageCenter'), - 0x009A: Tag('SensorPixelSize'), - 0x009C: Tag('Scene Assist'), - 0x009E: Tag('RetouchHistory'), - 0x00A0: Tag('SerialNumber'), - 0x00A2: Tag('ImageDataSize'), - # 00A3: unknown - a single byte 0 - # 00A4: In NEF, looks like a 4 byte ASCII version number ('0200') - 0x00A5: Tag('ImageCount'), - 0x00A6: Tag('DeletedImageCount'), - 0x00A7: Tag('TotalShutterReleases'), - # First 4 bytes are a version number in ASCII, with version specific - # info to follow. Its hard to treat it as a string due to embedded nulls. - 0x00A8: Tag('FlashInfo'), - 0x00A9: Tag('ImageOptimization'), - 0x00AA: Tag('Saturation'), - 0x00AB: Tag('DigitalVariProgram'), - 0x00AC: Tag('ImageStabilization'), - 0x00AD: Tag('Responsive AF'), # 'AFResponse' - 0x00B0: Tag('MultiExposure'), - 0x00B1: Tag('HighISONoiseReduction'), - 0x00B7: Tag('AFInfo'), - 0x00B8: Tag('FileInfo'), - # 00B9: unknown - 0x0100: Tag('DigitalICE'), - 0x0103: TagDict('PreviewCompression', - {1: 'Uncompressed', - 2: 'CCITT 1D', - 3: 'T4/Group 3 Fax', - 4: 'T6/Group 4 Fax', - 5: 'LZW', - 6: 'JPEG (old-style)', - 7: 'JPEG', - 8: 'Adobe Deflate', - 9: 'JBIG B&W', - 10: 'JBIG Color', - 32766: 'Next', - 32769: 'Epson ERF Compressed', - 32771: 'CCIRLEW', - 32773: 'PackBits', - 32809: 'Thunderscan', - 32895: 'IT8CTPAD', - 32896: 'IT8LW', - 32897: 'IT8MP', - 32898: 'IT8BL', - 32908: 'PixarFilm', - 32909: 'PixarLog', - 32946: 'Deflate', - 32947: 'DCS', - 34661: 'JBIG', - 34676: 'SGILog', - 34677: 'SGILog24', - 34712: 'JPEG 2000', - 34713: 'Nikon NEF Compressed', - 65000: 'Kodak DCR Compressed', - 65535: 'Pentax PEF Compressed',}), - 0x0201: Tag('PreviewImageStart'), - 0x0202: Tag('PreviewImageLength'), - 0x0213: TagDict('PreviewYCbCrPositioning', - {1: 'Centered', - 2: 'Co-sited'}), - 0x0010: Tag('DataDump'), - } - -MAKERNOTE_NIKON_OLDER_TAGS = { - 0x0003: TagDict('Quality', - {1: 'VGA Basic', - 2: 'VGA Normal', - 3: 'VGA Fine', - 4: 'SXGA Basic', - 5: 'SXGA Normal', - 6: 'SXGA Fine'}), - 0x0004: TagDict('ColorMode', - {1: 'Color', - 2: 'Monochrome'}), - 0x0005: TagDict('ImageAdjustment', - {0: 'Normal', - 1: 'Bright+', - 2: 'Bright-', - 3: 'Contrast+', - 4: 'Contrast-'}), - 0x0006: TagDict('CCDSpeed', - {0: 'ISO 80', - 2: 'ISO 160', - 4: 'ISO 320', - 5: 'ISO 100'}), - 0x0007: TagDict('WhiteBalance', - {0: 'Auto', - 1: 'Preset', - 2: 'Daylight', - 3: 'Incandescent', - 4: 'Fluorescent', - 5: 'Cloudy', - 6: 'Speed Light'}), - } - -def olympus_special_mode (values) : - """ - Decode Olympus SpecialMode tag in MakerNote - """ - - a = { - 0: 'Normal', - 1: 'Unknown', - 2: 'Fast', - 3: 'Panorama' - } - - b = { - 0: 'Non-panoramic', - 1: 'Left to right', - 2: 'Right to left', - 3: 'Bottom to top', - 4: 'Top to bottom' - } - - if v[0] not in a or v[2] not in b: - return values - - return '%s - sequence %d - %s' % (a[v[0]], v[1], b[v[2]]) - -MAKERNOTE_OLYMPUS_TAGS={ - # ah HAH! those sneeeeeaky bastids! this is how they get past the fact - # that a JPEG thumbnail is not allowed in an uncompressed TIFF file - 0x0100: Tag('JPEGThumbnail'), - 0x0200: TagFunc('SpecialMode', olympus_special_mode), - 0x0201: TagDict('JPEGQual', - {1: 'SQ', - 2: 'HQ', - 3: 'SHQ'}), - 0x0202: TagDict('Macro', - {0: 'Normal', - 1: 'Macro', - 2: 'SuperMacro'}), - 0x0203: TagDict('BWMode', - {0: 'Off', - 1: 'On'}), - 0x0204: Tag('DigitalZoom'), - 0x0205: Tag('FocalPlaneDiagonal'), - 0x0206: Tag('LensDistortionParams'), - 0x0207: Tag('SoftwareRelease'), - 0x0208: Tag('PictureInfo'), - 0x0209: Tag('CameraID'), # print as string - 0x0F00: Tag('DataDump'), - 0x0300: Tag('PreCaptureFrames'), - 0x0404: Tag('SerialNumber'), - 0x1000: Tag('ShutterSpeedValue'), - 0x1001: Tag('ISOValue'), - 0x1002: Tag('ApertureValue'), - 0x1003: Tag('BrightnessValue'), - 0x1004: Tag('FlashMode'), - 0x1004: TagDict('FlashMode', - {2: 'On', - 3: 'Off'}), - 0x1005: TagDict('FlashDevice', - {0: 'None', - 1: 'Internal', - 4: 'External', - 5: 'Internal + External'}), - 0x1006: Tag('ExposureCompensation'), - 0x1007: Tag('SensorTemperature'), - 0x1008: Tag('LensTemperature'), - 0x100b: TagDict('FocusMode', - {0: 'Auto', - 1: 'Manual'}), - 0x1017: Tag('RedBalance'), - 0x1018: Tag('BlueBalance'), - 0x101a: Tag('SerialNumber'), - 0x1023: Tag('FlashExposureComp'), - 0x1026: TagDict('ExternalFlashBounce', - {0: 'No', - 1: 'Yes'}), - 0x1027: Tag('ExternalFlashZoom'), - 0x1028: Tag('ExternalFlashMode'), - 0x1029: ('Contrast int16u', - {0: 'High', - 1: 'Normal', - 2: 'Low'}), - 0x102a: Tag('SharpnessFactor'), - 0x102b: Tag('ColorControl'), - 0x102c: Tag('ValidBits'), - 0x102d: Tag('CoringFilter'), - 0x102e: Tag('OlympusImageWidth'), - 0x102f: Tag('OlympusImageHeight'), - 0x1034: Tag('CompressionRatio'), - 0x1035: TagDict('PreviewImageValid', - {0: 'No', - 1: 'Yes'}), - 0x1036: Tag('PreviewImageStart'), - 0x1037: Tag('PreviewImageLength'), - 0x1039: TagDict('CCDScanMode', - {0: 'Interlaced', - 1: 'Progressive'}), - 0x103a: TagDict('NoiseReduction', - {0: 'Off', - 1: 'On'}), - 0x103b: Tag('InfinityLensStep'), - 0x103c: Tag('NearLensStep'), - - # TODO - these need extra definitions - # http://search.cpan.org/src/EXIFTOOL/Image-ExifTool-6.90/html/TagNames/Olympus.html - 0x2010: Tag('Equipment'), - 0x2020: Tag('CameraSettings'), - 0x2030: Tag('RawDevelopment'), - 0x2040: Tag('ImageProcessing'), - 0x2050: Tag('FocusInfo'), - 0x3000: Tag('RawInfo '), - } - -# 0x2020 CameraSettings -MAKERNOTE_OLYMPUS_TAG_0x2020={ - 0x0100: TagDict('PreviewImageValid', - {0: 'No', - 1: 'Yes'}), - 0x0101: Tag('PreviewImageStart'), - 0x0102: Tag('PreviewImageLength'), - 0x0200: TagDict('ExposureMode', - {1: 'Manual', - 2: 'Program', - 3: 'Aperture-priority AE', - 4: 'Shutter speed priority AE', - 5: 'Program-shift'}), - 0x0201: TagDict('AELock', - {0: 'Off', - 1: 'On'}), - 0x0202: TagDict('MeteringMode', - {2: 'Center Weighted', - 3: 'Spot', - 5: 'ESP', - 261: 'Pattern+AF', - 515: 'Spot+Highlight control', - 1027: 'Spot+Shadow control'}), - 0x0300: TagDict('MacroMode', - {0: 'Off', - 1: 'On'}), - 0x0301: TagDict('FocusMode', - {0: 'Single AF', - 1: 'Sequential shooting AF', - 2: 'Continuous AF', - 3: 'Multi AF', - 10: 'MF'}), - 0x0302: TagDict('FocusProcess', - {0: 'AF Not Used', - 1: 'AF Used'}), - 0x0303: TagDict('AFSearch', - {0: 'Not Ready', - 1: 'Ready'}), - 0x0304: Tag('AFAreas'), - 0x0401: Tag('FlashExposureCompensation'), - 0x0500: ('WhiteBalance2', - {0: 'Auto', - 16: '7500K (Fine Weather with Shade)', - 17: '6000K (Cloudy)', - 18: '5300K (Fine Weather)', - 20: '3000K (Tungsten light)', - 21: '3600K (Tungsten light-like)', - 33: '6600K (Daylight fluorescent)', - 34: '4500K (Neutral white fluorescent)', - 35: '4000K (Cool white fluorescent)', - 48: '3600K (Tungsten light-like)', - 256: 'Custom WB 1', - 257: 'Custom WB 2', - 258: 'Custom WB 3', - 259: 'Custom WB 4', - 512: 'Custom WB 5400K', - 513: 'Custom WB 2900K', - 514: 'Custom WB 8000K', }), - 0x0501: Tag('WhiteBalanceTemperature'), - 0x0502: Tag('WhiteBalanceBracket'), - 0x0503: Tag('CustomSaturation'), # (3 numbers: 1. CS Value, 2. Min, 3. Max) - 0x0504: TagDict('ModifiedSaturation', - {0: 'Off', - 1: 'CM1 (Red Enhance)', - 2: 'CM2 (Green Enhance)', - 3: 'CM3 (Blue Enhance)', - 4: 'CM4 (Skin Tones)'}), - 0x0505: Tag('ContrastSetting'), # (3 numbers: 1. Contrast, 2. Min, 3. Max) - 0x0506: Tag('SharpnessSetting'), # (3 numbers: 1. Sharpness, 2. Min, 3. Max) - 0x0507: TagDict('ColorSpace', - {0: 'sRGB', - 1: 'Adobe RGB', - 2: 'Pro Photo RGB'}), - 0x0509: TagDict('SceneMode', - {0: 'Standard', - 6: 'Auto', - 7: 'Sport', - 8: 'Portrait', - 9: 'Landscape+Portrait', - 10: 'Landscape', - 11: 'Night scene', - 13: 'Panorama', - 16: 'Landscape+Portrait', - 17: 'Night+Portrait', - 19: 'Fireworks', - 20: 'Sunset', - 22: 'Macro', - 25: 'Documents', - 26: 'Museum', - 28: 'Beach&Snow', - 30: 'Candle', - 35: 'Underwater Wide1', - 36: 'Underwater Macro', - 39: 'High Key', - 40: 'Digital Image Stabilization', - 44: 'Underwater Wide2', - 45: 'Low Key', - 46: 'Children', - 48: 'Nature Macro'}), - 0x050a: TagDict('NoiseReduction', - {0: 'Off', - 1: 'Noise Reduction', - 2: 'Noise Filter', - 3: 'Noise Reduction + Noise Filter', - 4: 'Noise Filter (ISO Boost)', - 5: 'Noise Reduction + Noise Filter (ISO Boost)'}), - 0x050b: TagDict('DistortionCorrection', - {0: 'Off', - 1: 'On'}), - 0x050c: TagDict('ShadingCompensation', - {0: 'Off', - 1: 'On'}), - 0x050d: Tag('CompressionFactor'), - 0x050f: TagDict('Gradation', - {'-1 -1 1': 'Low Key', - '0 -1 1': 'Normal', - '1 -1 1': 'High Key'}), - 0x0520: TagDict('PictureMode', - {1: 'Vivid', - 2: 'Natural', - 3: 'Muted', - 256: 'Monotone', - 512: 'Sepia'}), - 0x0521: Tag('PictureModeSaturation'), - 0x0522: Tag('PictureModeHue?'), - 0x0523: Tag('PictureModeContrast'), - 0x0524: Tag('PictureModeSharpness'), - 0x0525: TagDict('PictureModeBWFilter', - {0: 'n/a', - 1: 'Neutral', - 2: 'Yellow', - 3: 'Orange', - 4: 'Red', - 5: 'Green'}), - 0x0526: TagDict('PictureModeTone', - {0: 'n/a', - 1: 'Neutral', - 2: 'Sepia', - 3: 'Blue', - 4: 'Purple', - 5: 'Green'}), - 0x0600: Tag('Sequence'), # 2 or 3 numbers: 1. Mode, 2. Shot number, 3. Mode bits - 0x0601: Tag('PanoramaMode'), # (2 numbers: 1. Mode, 2. Shot number) - 0x0603: ('ImageQuality2', - {1: 'SQ', - 2: 'HQ', - 3: 'SHQ', - 4: 'RAW'}), - 0x0901: Tag('ManometerReading'), - } - - -MAKERNOTE_CASIO_TAGS={ - 0x0001: TagDict('RecordingMode', - {1: 'Single Shutter', - 2: 'Panorama', - 3: 'Night Scene', - 4: 'Portrait', - 5: 'Landscape'}), - 0x0002: TagDict('Quality', - {1: 'Economy', - 2: 'Normal', - 3: 'Fine'}), - 0x0003: TagDict('FocusingMode', - {2: 'Macro', - 3: 'Auto Focus', - 4: 'Manual Focus', - 5: 'Infinity'}), - 0x0004: TagDict('FlashMode', - {1: 'Auto', - 2: 'On', - 3: 'Off', - 4: 'Red Eye Reduction'}), - 0x0005: TagDict('FlashIntensity', - {11: 'Weak', - 13: 'Normal', - 15: 'Strong'}), - 0x0006: Tag('Object Distance'), - 0x0007: TagDict('WhiteBalance', - {1: 'Auto', - 2: 'Tungsten', - 3: 'Daylight', - 4: 'Fluorescent', - 5: 'Shade', - 129: 'Manual'}), - 0x000B: TagDict('Sharpness', - {0: 'Normal', - 1: 'Soft', - 2: 'Hard'}), - 0x000C: TagDict('Contrast', - {0: 'Normal', - 1: 'Low', - 2: 'High'}), - 0x000D: TagDict('Saturation', - {0: 'Normal', - 1: 'Low', - 2: 'High'}), - 0x0014: TagDict('CCDSpeed', - {64: 'Normal', - 80: 'Normal', - 100: 'High', - 125: '+1.0', - 244: '+3.0', - 250: '+2.0'}), - } - -MAKERNOTE_FUJIFILM_TAGS={ - 0x0000: Tag('NoteVersion'), - 0x1000: Tag('Quality'), - 0x1001: TagDict('Sharpness', - {1: 'Soft', - 2: 'Soft', - 3: 'Normal', - 4: 'Hard', - 5: 'Hard'}), - 0x1002: TagDict('WhiteBalance', - {0: 'Auto', - 256: 'Daylight', - 512: 'Cloudy', - 768: 'DaylightColor-Fluorescent', - 769: 'DaywhiteColor-Fluorescent', - 770: 'White-Fluorescent', - 1024: 'Incandescent', - 3840: 'Custom'}), - 0x1003: TagDict('Color', - {0: 'Normal', - 256: 'High', - 512: 'Low'}), - 0x1004: TagDict('Tone', - {0: 'Normal', - 256: 'High', - 512: 'Low'}), - 0x1010: TagDict('FlashMode', - {0: 'Auto', - 1: 'On', - 2: 'Off', - 3: 'Red Eye Reduction'}), - 0x1011: Tag('FlashStrength'), - 0x1020: TagDict('Macro', - {0: 'Off', - 1: 'On'}), - 0x1021: TagDict('FocusMode', - {0: 'Auto', - 1: 'Manual'}), - 0x1030: TagDict('SlowSync', - {0: 'Off', - 1: 'On'}), - 0x1031: TagDict('PictureMode', - {0: 'Auto', - 1: 'Portrait', - 2: 'Landscape', - 4: 'Sports', - 5: 'Night', - 6: 'Program AE', - 256: 'Aperture Priority AE', - 512: 'Shutter Priority AE', - 768: 'Manual Exposure'}), - 0x1100: TagDict('MotorOrBracket', - {0: 'Off', - 1: 'On'}), - 0x1300: TagDict('BlurWarning', - {0: 'Off', - 1: 'On'}), - 0x1301: TagDict('FocusWarning', - {0: 'Off', - 1: 'On'}), - 0x1302: TagDict('AEWarning', - {0: 'Off', - 1: 'On'}), - } - -MAKERNOTE_CANON_TAGS = { - 0x0006: Tag('ImageType'), - 0x0007: Tag('FirmwareVersion'), - 0x0008: Tag('ImageNumber'), - 0x0009: Tag('OwnerName'), - } - -# this is in element offset, name, optional value dictionary format -MAKERNOTE_CANON_TAG_0x001 = { - 1: TagDict('Macromode', - {1: 'Macro', - 2: 'Normal'}), - 2: Tag('SelfTimer'), - 3: TagDict('Quality', - {2: 'Normal', - 3: 'Fine', - 5: 'Superfine'}), - 4: TagDict('FlashMode', - {0: 'Flash Not Fired', - 1: 'Auto', - 2: 'On', - 3: 'Red-Eye Reduction', - 4: 'Slow Synchro', - 5: 'Auto + Red-Eye Reduction', - 6: 'On + Red-Eye Reduction', - 16: 'external flash'}), - 5: TagDict('ContinuousDriveMode', - {0: 'Single Or Timer', - 1: 'Continuous'}), - 7: TagDict('FocusMode', - {0: 'One-Shot', - 1: 'AI Servo', - 2: 'AI Focus', - 3: 'MF', - 4: 'Single', - 5: 'Continuous', - 6: 'MF'}), - 10: TagDict('ImageSize', - {0: 'Large', - 1: 'Medium', - 2: 'Small'}), - 11: TagDict('EasyShootingMode', - {0: 'Full Auto', - 1: 'Manual', - 2: 'Landscape', - 3: 'Fast Shutter', - 4: 'Slow Shutter', - 5: 'Night', - 6: 'B&W', - 7: 'Sepia', - 8: 'Portrait', - 9: 'Sports', - 10: 'Macro/Close-Up', - 11: 'Pan Focus'}), - 12: TagDict('DigitalZoom', - {0: 'None', - 1: '2x', - 2: '4x'}), - 13: TagDict('Contrast', - {0xFFFF: 'Low', - 0: 'Normal', - 1: 'High'}), - 14: TagDict('Saturation', - {0xFFFF: 'Low', - 0: 'Normal', - 1: 'High'}), - 15: TagDict('Sharpness', - {0xFFFF: 'Low', - 0: 'Normal', - 1: 'High'}), - 16: TagDict('ISO', - {0: 'See ISOSpeedRatings Tag', - 15: 'Auto', - 16: '50', - 17: '100', - 18: '200', - 19: '400'}), - 17: TagDict('MeteringMode', - {3: 'Evaluative', - 4: 'Partial', - 5: 'Center-weighted'}), - 18: TagDict('FocusType', - {0: 'Manual', - 1: 'Auto', - 3: 'Close-Up (Macro)', - 8: 'Locked (Pan Mode)'}), - 19: TagDict('AFPointSelected', - {0x3000: 'None (MF)', - 0x3001: 'Auto-Selected', - 0x3002: 'Right', - 0x3003: 'Center', - 0x3004: 'Left'}), - 20: TagDict('ExposureMode', - {0: 'Easy Shooting', - 1: 'Program', - 2: 'Tv-priority', - 3: 'Av-priority', - 4: 'Manual', - 5: 'A-DEP'}), - 23: Tag('LongFocalLengthOfLensInFocalUnits'), - 24: Tag('ShortFocalLengthOfLensInFocalUnits'), - 25: Tag('FocalUnitsPerMM'), - 28: TagDict('FlashActivity', - {0: 'Did Not Fire', - 1: 'Fired'}), - 29: TagDict('FlashDetails', - {14: 'External E-TTL', - 13: 'Internal Flash', - 11: 'FP Sync Used', - 7: '2nd("Rear")-Curtain Sync Used', - 4: 'FP Sync Enabled'}), - 32: TagDict('FocusMode', - {0: 'Single', - 1: 'Continuous'}), - } - -MAKERNOTE_CANON_TAG_0x004 = { - 7: TagDict('WhiteBalance', - {0: 'Auto', - 1: 'Sunny', - 2: 'Cloudy', - 3: 'Tungsten', - 4: 'Fluorescent', - 5: 'Flash', - 6: 'Custom'}), - 9: Tag('SequenceNumber'), - 14: Tag('AFPointUsed'), - 15: TagDict('FlashBias', - {0xFFC0: '-2 EV', - 0xFFCC: '-1.67 EV', - 0xFFD0: '-1.50 EV', - 0xFFD4: '-1.33 EV', - 0xFFE0: '-1 EV', - 0xFFEC: '-0.67 EV', - 0xFFF0: '-0.50 EV', - 0xFFF4: '-0.33 EV', - 0x0000: '0 EV', - 0x000C: '0.33 EV', - 0x0010: '0.50 EV', - 0x0014: '0.67 EV', - 0x0020: '1 EV', - 0x002C: '1.33 EV', - 0x0030: '1.50 EV', - 0x0034: '1.67 EV', - 0x0040: '2 EV'}), - 19: Tag('SubjectDistance'), - } - -# ratio object that eventually will be able to reduce itself to lowest -# common denominator for printing -# XXX: unused -def gcd(a, b): - if b == 0: - return a - else: - return gcd(b, a % b) - -class Ratio: - def __init__(self, num, den): - self.num = num - self.den = den - - def __repr__(self): - self.reduce() - if self.den == 1: - return str(self.num) - return '%d/%d' % (self.num, self.den) - - def reduce(self): - div = gcd(self.num, self.den) - if div > 1: - self.num = self.num / div - self.den = self.den / div - -