private static void ProcessReconyxMakernote([NotNull] ReconyxMakernoteDirectory directory, int makernoteOffset, [NotNull] IndexedReader reader) { directory.Set(ReconyxMakernoteDirectory.TagMakernoteVersion, reader.GetUInt16(makernoteOffset)); // revision and build are reversed from .NET ordering ushort major = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagFirmwareVersion); ushort minor = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagFirmwareVersion + 2); ushort revision = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagFirmwareVersion + 4); string buildYear = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagFirmwareVersion + 6).ToString("x4"); string buildDate = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagFirmwareVersion + 8).ToString("x4"); int build = int.Parse(buildYear + buildDate); directory.Set(ReconyxMakernoteDirectory.TagFirmwareVersion, new Version(major, minor, revision, build)); directory.Set(ReconyxMakernoteDirectory.TagTriggerMode, new string((char)reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagTriggerMode), 1)); directory.Set(ReconyxMakernoteDirectory.TagSequence, new[] { reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagSequence), reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagSequence + 2) }); uint eventNumberHigh = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagEventNumber); uint eventNumberLow = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagEventNumber + 2); directory.Set(ReconyxMakernoteDirectory.TagEventNumber, (eventNumberHigh << 16) + eventNumberLow); ushort seconds = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagDateTimeOriginal); ushort minutes = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagDateTimeOriginal + 2); ushort hour = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagDateTimeOriginal + 4); ushort month = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagDateTimeOriginal + 6); ushort day = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagDateTimeOriginal + 8); ushort year = reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagDateTimeOriginal + 10); directory.Set(ReconyxMakernoteDirectory.TagDateTimeOriginal, new DateTime(year, month, day, hour, minutes, seconds)); directory.Set(ReconyxMakernoteDirectory.TagMoonPhase, reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagMoonPhase)); directory.Set(ReconyxMakernoteDirectory.TagAmbientTemperatureFarenheit, reader.GetInt16(makernoteOffset + ReconyxMakernoteDirectory.TagAmbientTemperatureFarenheit)); directory.Set(ReconyxMakernoteDirectory.TagAmbientTemperature, reader.GetInt16(makernoteOffset + ReconyxMakernoteDirectory.TagAmbientTemperature)); directory.Set(ReconyxMakernoteDirectory.TagSerialNumber, reader.GetString(makernoteOffset + ReconyxMakernoteDirectory.TagSerialNumber, 28, Encoding.Unicode)); // two unread bytes: the serial number's terminating null directory.Set(ReconyxMakernoteDirectory.TagContrast, reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagContrast)); directory.Set(ReconyxMakernoteDirectory.TagBrightness, reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagBrightness)); directory.Set(ReconyxMakernoteDirectory.TagSharpness, reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagSharpness)); directory.Set(ReconyxMakernoteDirectory.TagSaturation, reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagSaturation)); directory.Set(ReconyxMakernoteDirectory.TagInfraredIlluminator, reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagInfraredIlluminator)); directory.Set(ReconyxMakernoteDirectory.TagMotionSensitivity, reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagMotionSensitivity)); directory.Set(ReconyxMakernoteDirectory.TagBatteryVoltage, reader.GetUInt16(makernoteOffset + ReconyxMakernoteDirectory.TagBatteryVoltage) / 1000.0); directory.Set(ReconyxMakernoteDirectory.TagUserLabel, reader.GetNullTerminatedString(makernoteOffset + ReconyxMakernoteDirectory.TagUserLabel, 44)); }
/// <exception cref="System.IO.IOException"/> private bool ProcessMakernote(int makernoteOffset, [NotNull] ICollection <int> processedIfdOffsets, [NotNull] IndexedReader reader) { Debug.Assert(makernoteOffset >= 0, "makernoteOffset >= 0"); var cameraMake = Directories.OfType <ExifIfd0Directory>().FirstOrDefault()?.GetString(ExifDirectoryBase.TagMake); var firstTwoChars = reader.GetString(makernoteOffset, 2, Encoding.UTF8); var firstThreeChars = reader.GetString(makernoteOffset, 3, Encoding.UTF8); var firstFourChars = reader.GetString(makernoteOffset, 4, Encoding.UTF8); var firstFiveChars = reader.GetString(makernoteOffset, 5, Encoding.UTF8); var firstSixChars = reader.GetString(makernoteOffset, 6, Encoding.UTF8); var firstSevenChars = reader.GetString(makernoteOffset, 7, Encoding.UTF8); var firstEightChars = reader.GetString(makernoteOffset, 8, Encoding.UTF8); var firstTenChars = reader.GetString(makernoteOffset, 10, Encoding.UTF8); var firstTwelveChars = reader.GetString(makernoteOffset, 12, Encoding.UTF8); if (string.Equals("OLYMP\0", firstSixChars, StringComparison.Ordinal) || string.Equals("EPSON", firstFiveChars, StringComparison.Ordinal) || string.Equals("AGFA", firstFourChars, StringComparison.Ordinal)) { // Olympus Makernote // Epson and Agfa use Olympus makernote standard: http://www.ozhiker.com/electronics/pjmt/jpeg_info/ PushDirectory(new OlympusMakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset + 8); } else if (string.Equals("OLYMPUS\0II", firstTenChars, StringComparison.Ordinal)) { // Olympus Makernote (alternate) // Note that data is relative to the beginning of the makernote // http://exiv2.org/makernote.html PushDirectory(new OlympusMakernoteDirectory()); TiffReader.ProcessIfd(this, reader.WithShiftedBaseOffset(makernoteOffset), processedIfdOffsets, 12); } else if (cameraMake != null && cameraMake.StartsWith("MINOLTA", StringComparison.OrdinalIgnoreCase)) { // Cases seen with the model starting with MINOLTA in capitals seem to have a valid Olympus makernote // area that commences immediately. PushDirectory(new OlympusMakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset); } else if (cameraMake != null && cameraMake.TrimStart().StartsWith("NIKON", StringComparison.OrdinalIgnoreCase)) { if (string.Equals("Nikon", firstFiveChars, StringComparison.Ordinal)) { switch (reader.GetByte(makernoteOffset + 6)) { case 1: { /* There are two scenarios here: * Type 1: ** * :0000: 4E 69 6B 6F 6E 00 01 00-05 00 02 00 02 00 06 00 Nikon........... * :0010: 00 00 EC 02 00 00 03 00-03 00 01 00 00 00 06 00 ................ * Type 3: ** * :0000: 4E 69 6B 6F 6E 00 02 00-00 00 4D 4D 00 2A 00 00 Nikon....MM.*... * :0010: 00 08 00 1E 00 01 00 07-00 00 00 04 30 32 30 30 ............0200 */ PushDirectory(new NikonType1MakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset + 8); break; } case 2: { PushDirectory(new NikonType2MakernoteDirectory()); TiffReader.ProcessIfd(this, reader.WithShiftedBaseOffset(makernoteOffset + 10), processedIfdOffsets, 8); break; } default: { Error("Unsupported Nikon makernote data ignored."); break; } } } else { // The IFD begins with the first Makernote byte (no ASCII name). This occurs with CoolPix 775, E990 and D1 models. PushDirectory(new NikonType2MakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset); } } else if (string.Equals("SONY CAM", firstEightChars, StringComparison.Ordinal) || string.Equals("SONY DSC", firstEightChars, StringComparison.Ordinal)) { PushDirectory(new SonyType1MakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset + 12); } // Do this check LAST after most other Sony checks else if (cameraMake != null && cameraMake.StartsWith("SONY", StringComparison.Ordinal) && reader.GetBytes(makernoteOffset, 2) != new byte[] { 0x01, 0x00 }) { // The IFD begins with the first Makernote byte (no ASCII name). Used in SR2 and ARW images PushDirectory(new SonyType1MakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset); } else if (string.Equals("SEMC MS\u0000\u0000\u0000\u0000\u0000", firstTwelveChars, StringComparison.Ordinal)) { // Force Motorola byte order for this directory // skip 12 byte header + 2 for "MM" + 6 PushDirectory(new SonyType6MakernoteDirectory()); TiffReader.ProcessIfd(this, reader.WithByteOrder(isMotorolaByteOrder: true), processedIfdOffsets, makernoteOffset + 20); } else if (string.Equals("SIGMA\u0000\u0000\u0000", firstEightChars, StringComparison.Ordinal) || string.Equals("FOVEON\u0000\u0000", firstEightChars, StringComparison.Ordinal)) { PushDirectory(new SigmaMakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset + 10); } else if (string.Equals("KDK", firstThreeChars, StringComparison.Ordinal)) { var directory = new KodakMakernoteDirectory(); Directories.Add(directory); ProcessKodakMakernote(directory, makernoteOffset, reader.WithByteOrder(isMotorolaByteOrder: firstSevenChars == "KDK INFO")); } else if ("CANON".Equals(cameraMake, StringComparison.OrdinalIgnoreCase)) { PushDirectory(new CanonMakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset); } else if (cameraMake != null && cameraMake.StartsWith("CASIO", StringComparison.OrdinalIgnoreCase)) { if (string.Equals("QVC\u0000\u0000\u0000", firstSixChars, StringComparison.Ordinal)) { PushDirectory(new CasioType2MakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset + 6); } else { PushDirectory(new CasioType1MakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset); } } else if (string.Equals("FUJIFILM", firstEightChars, StringComparison.Ordinal) || string.Equals("FUJIFILM", cameraMake, StringComparison.OrdinalIgnoreCase)) { // Note that this also applies to certain Leica cameras, such as the Digilux-4.3. // The 4 bytes after "FUJIFILM" in the makernote point to the start of the makernote // IFD, though the offset is relative to the start of the makernote, not the TIFF header var makernoteReader = reader.WithShiftedBaseOffset(makernoteOffset).WithByteOrder(isMotorolaByteOrder: false); var ifdStart = makernoteReader.GetInt32(8); PushDirectory(new FujifilmMakernoteDirectory()); TiffReader.ProcessIfd(this, makernoteReader, processedIfdOffsets, ifdStart); } else if (string.Equals("KYOCERA", firstSevenChars, StringComparison.Ordinal)) { // http://www.ozhiker.com/electronics/pjmt/jpeg_info/kyocera_mn.html PushDirectory(new KyoceraMakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset + 22); } else if (string.Equals("LEICA", firstFiveChars, StringComparison.Ordinal)) { // used by the X1/X2/X VARIO/T // (X1 starts with "LEICA\0\x01\0", Make is "LEICA CAMERA AG") // (X2 starts with "LEICA\0\x05\0", Make is "LEICA CAMERA AG") // (X VARIO starts with "LEICA\0\x04\0", Make is "LEICA CAMERA AG") // (T (Typ 701) starts with "LEICA\0\0x6", Make is "LEICA CAMERA AG") // (X (Typ 113) starts with "LEICA\0\0x7", Make is "LEICA CAMERA AG") if (string.Equals("LEICA\0\x1\0", firstEightChars, StringComparison.Ordinal) || string.Equals("LEICA\0\x4\0", firstEightChars, StringComparison.Ordinal) || string.Equals("LEICA\0\x5\0", firstEightChars, StringComparison.Ordinal) || string.Equals("LEICA\0\x6\0", firstEightChars, StringComparison.Ordinal) || string.Equals("LEICA\0\x7\0", firstEightChars, StringComparison.Ordinal)) { PushDirectory(new LeicaType5MakernoteDirectory()); TiffReader.ProcessIfd(this, reader.WithShiftedBaseOffset(makernoteOffset), processedIfdOffsets, 8); } else if (string.Equals("Leica Camera AG", cameraMake, StringComparison.Ordinal)) { PushDirectory(new LeicaMakernoteDirectory()); TiffReader.ProcessIfd(this, reader.WithByteOrder(isMotorolaByteOrder: false), processedIfdOffsets, makernoteOffset + 8); } else if (string.Equals("LEICA", cameraMake, StringComparison.Ordinal)) { // Some Leica cameras use Panasonic makernote tags PushDirectory(new PanasonicMakernoteDirectory()); TiffReader.ProcessIfd(this, reader.WithByteOrder(isMotorolaByteOrder: false), processedIfdOffsets, makernoteOffset + 8); } else { return(false); } } else if (string.Equals("Panasonic\u0000\u0000\u0000", firstTwelveChars, StringComparison.Ordinal)) { // NON-Standard TIFF IFD Data using Panasonic Tags. There is no Next-IFD pointer after the IFD // Offsets are relative to the start of the TIFF header at the beginning of the EXIF segment // more information here: http://www.ozhiker.com/electronics/pjmt/jpeg_info/panasonic_mn.html PushDirectory(new PanasonicMakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset + 12); } else if (string.Equals("AOC\u0000", firstFourChars, StringComparison.Ordinal)) { // NON-Standard TIFF IFD Data using Casio Type 2 Tags // IFD has no Next-IFD pointer at end of IFD, and // Offsets are relative to the start of the current IFD tag, not the TIFF header // Observed for: // - Pentax ist D PushDirectory(new CasioType2MakernoteDirectory()); TiffReader.ProcessIfd(this, reader.WithShiftedBaseOffset(makernoteOffset), processedIfdOffsets, 6); } else if (cameraMake != null && (cameraMake.StartsWith("PENTAX", StringComparison.OrdinalIgnoreCase) || cameraMake.StartsWith("ASAHI", StringComparison.OrdinalIgnoreCase))) { // NON-Standard TIFF IFD Data using Pentax Tags // IFD has no Next-IFD pointer at end of IFD, and // Offsets are relative to the start of the current IFD tag, not the TIFF header // Observed for: // - PENTAX Optio 330 // - PENTAX Optio 430 PushDirectory(new PentaxMakernoteDirectory()); TiffReader.ProcessIfd(this, reader.WithShiftedBaseOffset(makernoteOffset), processedIfdOffsets, 0); } // else if ("KC" == firstTwoChars || "MINOL" == firstFiveChars || "MLY" == firstThreeChars || "+M+M+M+M" == firstEightChars) // { // // This Konica data is not understood. Header identified in accordance with information at this site: // // http://www.ozhiker.com/electronics/pjmt/jpeg_info/minolta_mn.html // // TODO add support for minolta/konica cameras // exifDirectory.addError("Unsupported Konica/Minolta data ignored."); // } else if (string.Equals("SANYO\x0\x1\x0", firstEightChars, StringComparison.Ordinal)) { PushDirectory(new SanyoMakernoteDirectory()); TiffReader.ProcessIfd(this, reader.WithShiftedBaseOffset(makernoteOffset), processedIfdOffsets, 8); } else if (cameraMake != null && cameraMake.StartsWith("RICOH", StringComparison.OrdinalIgnoreCase)) { if (string.Equals(firstTwoChars, "Rv", StringComparison.Ordinal) || string.Equals(firstThreeChars, "Rev", StringComparison.Ordinal)) { // This is a textual format, where the makernote bytes look like: // Rv0103;Rg1C;Bg18;Ll0;Ld0;Aj0000;Bn0473800;Fp2E00:������������������������������ // Rv0103;Rg1C;Bg18;Ll0;Ld0;Aj0000;Bn0473800;Fp2D05:������������������������������ // Rv0207;Sf6C84;Rg76;Bg60;Gg42;Ll0;Ld0;Aj0004;Bn0B02900;Fp10B8;Md6700;Ln116900086D27;Sv263:0000000000000000000000�� // This format is currently unsupported return(false); } if (firstFiveChars.Equals("RICOH", StringComparison.OrdinalIgnoreCase)) { PushDirectory(new RicohMakernoteDirectory()); // Always in Motorola byte order TiffReader.ProcessIfd(this, reader.WithByteOrder(isMotorolaByteOrder: true).WithShiftedBaseOffset(makernoteOffset), processedIfdOffsets, 8); } } else if (string.Equals(firstTenChars, "Apple iOS\0", StringComparison.Ordinal)) { PushDirectory(new AppleMakernoteDirectory()); // Always in Motorola byte order TiffReader.ProcessIfd(this, reader.WithByteOrder(isMotorolaByteOrder: true).WithShiftedBaseOffset(makernoteOffset), processedIfdOffsets, 14); } else if (string.Equals("RECONYX", cameraMake, StringComparison.OrdinalIgnoreCase) || reader.GetUInt16(makernoteOffset) == ReconyxMakernoteDirectory.HyperFireMakernoteVersion) { var directory = new ReconyxMakernoteDirectory(); Directories.Add(directory); ProcessReconyxMakernote(directory, makernoteOffset, reader); } else if (string.Equals("SAMSUNG", cameraMake, StringComparison.Ordinal)) { // Only handles Type2 notes correctly. Others aren't implemented, and it's complex to determine which ones to use PushDirectory(new SamsungType2MakernoteDirectory()); TiffReader.ProcessIfd(this, reader, processedIfdOffsets, makernoteOffset); } else { // The makernote is not comprehended by this library. // If you are reading this and believe a particular camera's image should be processed, get in touch. return(false); } return(true); }