metadata-extractor-dotnet

What's Changed

• Improve Code Quality / Tiding by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/390
• Address minor regressions by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/391
• Use ArrayPool for poolable byte buffers by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/392
• Add AVIF support by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/396
• Introduce BufferReader and eliminate a bunch of allocations by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/393
• Minor tidying and perf by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/398
• Port UnknownTagHandler by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/399
• Extend Apple makernote support by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/401
• Remove obsolete members on Tag class by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/400
• Support NativeAOT by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/397
• Introduce and use Indexed BufferReader methods by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/402
• Reduce overhead reading byte/sbyte arrays from IndexedReader by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/405
• Pool buffers in IndexedCapturingReader by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/404
• Remove custom number formatting in ICC by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/403
• Spanify top-level parsing for makernotes by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/407
• TIFF extraction makes fewer, larger reads by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/408
• Use spans in readers in .NET 8 by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/410
• Allow filename to influence file type detection by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/411
• Collapse .AsSpan().Slice(...) calls into .AsSpan(...) by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/412
• Small perf fixes and some code reuse by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/413
• Introduce ScopedBuffer by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/415
• Spanify BplistReader by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/416

Full Changelog: https://github.com/drewnoakes/metadata-extractor-dotnet/compare/2.9.0-rc1...2.9.0-rc2

What's Changed

[!NOTE]
Version 2.9.0 increases the minimum supported targets.

• net3.5 is no longer supported.
• netstandard1.3 is still supported.
• netstandard2.0 was bumped to netstandard2.1.
• net45 was bumped to net462.

These changes allow the library to utilise APIs with better performance.

• Support Apple run time data in makernotes by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/343
• Fix NikonPictureControl1Directory parsing by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/349
• Reader tweaks and fix reading of trailing whitespace by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/350
• Fix incorrect descriptor in Sony Type1 makernote by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/351
• Added code to parse OM System II makernote (uses Olympus II makernote) by @AndyDragon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/354
• Remove net3.5 target by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/358
• Work around invalid XMP XML by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/359
• Bump netstandard2.0 to netstandard2.1 by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/360
• Spanify various things and use UTF-8 literals by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/361
• Spanify (part 2) by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/363
• Run tests against net8.0 & update xunit by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/364
• Tidy up tests by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/365
• Use BinaryPrimitives by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/366
• Spanify (3/n) by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/367
• Spanify SequentialReader by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/368
• Spanify Iso2022Converter by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/369
• IPTC fixes by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/370
• Trim null bytes from NikonPictureControl2Directory values by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/371
• Permit var and explicit types by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/372
• Spanify StringValue conversions by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/373
• Extend GeoTIFF support by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/374
• Spanify ByteTrie.Find by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/375
• Update JpegSegmentPreamble to UTF-8 spans by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/376
• Tidy up code and eliminate some allocations by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/378
• Make missing APIs an error by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/377
• Use IReadOnlyCollection, collection expressions by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/379
• Bump target framework from net45 to net462 by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/382
• Use primary constructors by @iamcarbon in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/384
• Add GitHub CI workflow by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/383
• Treat warnings as errors by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/385
• Spanify indexed reader classes by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/380
• Polyfill non-allocating encoding span->string without byte[] by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/386
• Remove JetBrains.Annotations by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/387
• Make ByteConvert util class internal by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/388
• Remove explicit Version MSBuild property by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/389

New Contributors

• @AndyDragon made their first contribution in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/354

Full Changelog: https://github.com/drewnoakes/metadata-extractor-dotnet/compare/2.8.1...2.9.0-rc1

What's Changed

• Fix IPTC encoding by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/335
• Fujifilm makernote improvements by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/338
• Nikon makernote improvements by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/341

Full Changelog: https://github.com/drewnoakes/metadata-extractor-dotnet/compare/2.8.0...2.8.1

What's Changed

• Make analyzer private by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/332
• Fix Exif thumbnail offset by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/333
• Remove excessive bounds checking in IndexedReader by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/327

There are some slight API changes in this release, though most users will not hit them.

Performance has been improved considerably.

This release also adds the README to the NuGet package.

Full Changelog: https://github.com/drewnoakes/metadata-extractor-dotnet/compare/2.7.3...2.8.0

What's Changed

• Check for exif preamble by @reinfallt in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/317
• Basic Pentax Type 2 makernote support by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/321
• Fix test assembly discovery by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/330
• Bump package versions by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/331
• Fix PNG iTXt decoding bug by @RupertAvery in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/329
• Add IsoSpeed* Exif tags f9f36f1a1afb304f09295066f9f3d1775286b886
• Add RatingPercent Exit tag d3ece9474a8c406182d770aab17bdb49d9bbb731
• Improve error handling 839d1c1ee44fb3758fbffa6454bac44389876c48 341230753954af441d4daa14b404f6f5c8c7ad75
• Improve Rational presentation and simplification 64c507fd314c9c34bce3ec3d5a01785df0af92e5
• Fix bug in ICO height/width computation 87c48c9caaf4e3ab38becee0b5497a58058fd2b4
• Various code clean ups and administrative tasks that don't impact runtime artifacts

New Contributors

• @reinfallt made their first contribution in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/317
• @RupertAvery made their first contribution in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/329

Full Changelog: https://github.com/drewnoakes/metadata-extractor-dotnet/compare/2.7.2...2.7.3

What's Changed

• Skip leading ID3v2 data in MP3 files to allow processing by @jbraendle in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/314
• Fix bug in GpsDescriptor.GetGpsDestLongitudeDescription by @drewnoakes in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/315

New Contributors

• @jbraendle made their first contribution in https://github.com/drewnoakes/metadata-extractor-dotnet/pull/314

Full Changelog: https://github.com/drewnoakes/metadata-extractor-dotnet/compare/2.7.1...2.7.2

• Extract Android manufacturer/model value tags from QuickTime data (#310)
• Fix ExifDirectoryBase.TagGdalNoData tag name to match spec (10454fd528d29e7e7e2be03183d3af979e21a27b)

• Add support for GeoTIFF data (#307)
• Add support for BigTIFF encoded data (#302)
• Add Directory.GetUInt64 and Directory.TryGetUInt64 extension methods (3b57bed6bbf8340f30049e57524a2fabda58bac8)
• Work around invalid files where TIFF IFD reuse could cause data to be missed (#305)
• Fix reading of Float64 arrays from TIFF files (#300)

There are some internal API changes in this release. Unless you are extending the library with your own ITiffHandler implementation, you are unlikely to have any difficulty upgrading to this version from 2.6.0.

• Add support for FLIR thermal image metadata (#295)
• Allow Application Notes (XMP) in SubIFD (#298)
• Fix error check in Photoshop ducky data (#290)
• Fix IPTC keyword extraction from PNG files (#299)
• API changes (mostly internal so unlikely to impact most users)
  • Some cleanup around IJpegSegmentMetadataReader (#291)
  • Simplify Directory subclasses (#292)

This release makes the MetadataExtractor package use strong-named assemblies, and discontinues the separate MetadataExtractor.StrongName package. File an issue on the project site if this change doesn't go smoothly for you.

• Support Nokia 6.1 MP4 file type (#267)
• Rename ICC Profile Copyright tag (#268)
• Fix some culture sensitivity issues (#266)
• Prevent divide by zero in QuickTime reader code (#270)
• Fix Samsung makernote detection (#273)
• Support 3gp5 files (c8c1ef177c5f7750332963320dbeb202b544346f)
• Interpret QuickTime metadata dates (#275)
• Added missing Sony model IDs (#276)
• Interpret UserComment character code (#277)
• Allow negative MP4 rotations (bd419963901eb7825fe262f3c674099ea989064b)
• Fix order of atan args in QuickTime rotation handling (7f52477cd912805dfdaa8cc09060a63b16fa4496)
• Reduce allocation when reading PNG chunks (#286)
• Consistent exception messages between Java and .NET (ab4a15b9c0863777bac0332e9a2d9a33151d69ed)
• Use invariant culture when parsing IPTC dates/times (00f5a9e2bdb09cbe6b2e0de825f83b32bbf6c9f1)

• Fix incorrect Apple makernote tag names (ff727e048171cc580e6ef06ac07c9d5fbac75e46)
• Add AppleMakernoteDirectory.TagLivePhotoId (e656833633bf72d23e201690152121ff60fde7f0)
• Support Exif in PNG files (095effcbfb238d87cfd34c07a51a966c76629349)
• Support for ISO8601 format in directory GetDateTime (@michafrank #257)
• Extract GPS data from Android QuickTime files (@kirk-marple #262)
• Add XMP support in HEIF files (ISO-14496) (@kastwey #263)
• Fix box reading alignment issue in HEIF files (@kastwey #263)
• Fix box ordering issue in HEIF files (@kastwey #263)
• Don't stop reading QuickTime metadata when non-default locale encountered (@kastwey #264)
• Convert parsed dates with offsets to UTC (fa99f6214e504fe1a69107afca603837d698a8bc)
• Add more date/time parsing patterns with time-zone offsets (69c32859f41f5cc511f6fae6ade0a8da215c12f3)
• Add more QuickTime metadata tags and descriptors (82a11533b1efdd239e9b910874755c069bdf39d2)
• Support "Android Version" tag in QuickTime (396ace86f3f9ee23e89b07cbc37a1d10f2a610c7)

• Fix API handling (#255)
• Support Date/Time Original in AVI
• Improve Samsung Makernote support
• Improve Apple Makernote support

• Fix WebP parsing bug that excluded Exif, ICC, etc
• Support recoverable data error in WebP Exif data (drewnoakes/metadata-extractor#473)

• HEIC / HEIF support (#249 by @DrJohnMelville)
• Differentiate between MP4 and MOV files (#251)

This release also introduced and configured analyzers to assist with code quality and consistency.

• Restore position of FileTypeDirectory in results
• Don't throw for known but unsupported file types
• Fix a C# 8 Nullable Reference Types annotation
• Enable deterministic builds and fix SourceLink configuration

• Add TGA support (@dmitry-shechtman #233)
• Fix clipping path name/information (@kwhopper #235)
• Add EPS support (@kwhopper #236)
• Fix "Auto" noise reduction setting (@kwhopper #237)
• Improve QuickTime support, including GPS and CreationDate (@d5smith #241)
• Add support for Reconyx makernote type 3 (@patricksadowski #242)
• Prevent negative length in "Ducky" data (@patricksadowski #243)
• Use invariant culture for regression tests (@patricksadowski #244)
• Add MP3 support (@drewnoakes #245)
• Upgrade SourceLink (@drewnoakes)

• Add Canon Quality descriptions (@dmitry-shechtman #226)
• Add timezone tags (@dmitry-shechtman #223)
• Fix GetAllExtensions bounds check (@dmitry-shechtman #222)
• Extract XMP from CRX (@dmitry-shechtman #225)
• Register text encodings under netstandard2.0
• Add WAV support (@dmitry-shechtman in #215)
• Fix parsing of IPTC versions having more than two bytes (#214)
• Improve PNG raw profile parsing (@drewnoakes)
• Add string timezone tags (@dmitry-shechtman)
• Fix uint parsing of StringValue (@kwhopper #199)
• Add CRX record modes (@dmitry-shechtman #208)
• Migrate to C# 8 and annotate nullability of references
• Add initial CR3 support (@dmitry-shechtman #205)
• Catch PNG chunk processing errors (@kwhopper #201)
• Add more ICC tags (@kwhopper #200)
• Extend and improve GPS support (@kwhopper #198)
• Add support for JPEG Huffman tables (@kwhopper #197)
• Fix potential stack overflow (@drewnoakes #190)
• Update Exif white balance descriptions to match spec
• Extend GIF control support (@kwhopper #181)
• Fix AVI duration time presentation (@kwhopper #179)
• Fix PNG background colour description (@kwhopper #182)
• Extend BMP support (@kwhopper #185)
• Catch PNG iCCP decompression errors (@kwhopper #183)
• Fix Nikon type 2 makernote power-up time description (@kwhopper #178, #180)
• Support more ICC and Photoshop data in Exif (@kwhopper #176)
• Add Exif brightness descriptor and improve exposure program description (@kwhopper #177)
• Upgrade XmpCore package to 6.1.10 (@drewnoakes)
• Use snupkg for debug symbols (@drewnoakes)
• Fix QuickTime compatible brands description (@KleasMcHolthuis #227)
• Enable SourceLink (@drewnoakes #229)

Thanks to all the amazing contributors who made this release what it is!

Breaking changes:

• Thumbnail storage removed (it was broken)
• Removed incomplete XMP interpretation. Use the XmpMeta object provided by XmpDirectory instead.
• Replace PCL target with netstandard1.3

New features

• Add strong name (signed) package variant (MetadataExtractor.StrongName)
• Add support for UTF8, UTF7 and UTF32 (Unicode) encodings when trying to decode string data
• Add description of CFA patterns
• Add several new Exif tags
• Add support for multi-page TIFF files
• Add LeicaType5MakernoteDirectory
• Add PanasonicRawIfd0Directory
• Add PanasonicRawDistortionDirectory
• Add PanasonicRawWbInfo2Directory
• Add PanasonicRawWbInfoDirectory
• Add PrintIMDirectory
• Add SamsungType2MakernoteDirectory
• Add GifAnimationDirectory
• Add GifCommentDirectory
• Add GifControlDirectory
• Add GifImageDirectory
• Add ErrorDirectory

Improvements

• Fix Exif subfile type description
• Use StringValue for JPEG comments to allow reinterpreting the encoding
• Support yyyyMMdd date format, used in IPTC
• Improve character encoding support in IPTC
• Improve Olympus makernote support
• Improve Olympus RAW support
• Improve Panasonic makernote support
• Improve Reconyx HyperFire makernote support
• Improve Sony makernote support
• Improve API documentation
• Improve Rational simplification via the Euclidean method

Thanks to all the amazing contributors who made this release what it is!

New features

• Add support for AVI files #117
• Add support for DJI makernotes #119, #164
• Add support for GPS horizontal position error tag #133
• Add FileTypeDirectory
• Add support for XMP data in GIF files #143
• Add support for Extended DataSet Tag in IPTC
• Add support for QuickTime transformation matrix and rotation #152
• Add netstandard2.0 support #120
• Add differentiation between RIFF formats (WAV, AVI, WebP)

Fixes

• Fix trailing null bytes when handling XMP data #154
• Fix returning null GIF extension blocks #143
• Fix validation in IptcReader
• Prevent unhandled exception for platforms without SHIFT-JIS encoding
• Fix bounds error in DirectoryExtensions.GetInt64 #161
• Fix issue with flash description #142

Other

• Bump XmpCore package version to 5.1.3.1

• Reconyx makernote improvements