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drewnoakes / metadata-extractor-dotnet

Extracts Exif, IPTC, XMP, ICC and other metadata from image, video and audio files
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Problems when using package with the .NET Native Toolchain #414

Closed cmpalmer66 closed 6 months ago

cmpalmer66 commented 7 months ago

I'm using this package in a Xamarin.Forms solution that deploys on iOS, Android, and UWP).

The package works fine on iOS and Android, but I get runtime errors on UWP when I compile the app with the .NET Native toolchain, which is required for Windows Store apps.

The errors occur when loading other assemblies in the project, not the metadata-extractor assembly itself. If I remove the metadata-extractor package from the project, the errors go away. I don’t even have to invoke any metadata-extractor methods to trigger the errors - just adding the package reference seems to break the .NET Native compilation.

I’m not sure if this is a bug in the .NET Native toolchain or something that metadata-extractor is doing that .NET Native doesn’t support.

Is there a way to fix this issue or work around it? Thanks for your help.

drewnoakes commented 7 months ago

I'm not familiar with .NET Native so I don't have much insight here. Can you provide details of the errors you're seeing?

Note that we recently merged some changes for NativeAOT in #397, though that was mostly just adding a .NET 8 target and suppressing some incorrect warnings.

What version of the lib are you using? Have you tried 2.9.0-rc1? #397 is not in that RC, so I can push out RC2 if you like.

ahsanaman92 commented 6 months ago

I would vote yes for a rc2 build. I have a library here that targets net8.0 and is using 2.9.0-rc1 https://github.com/ahsanaman92/JpegXmpWritePluginMDE and would like to play around with NativeAOT bit.

drewnoakes commented 6 months ago

Thanks for the reminder — been busy at work lately. Thankfully automation makes pushing a release pretty easy. Here's RC2 with the NativeAOT changes: https://www.nuget.org/packages/MetadataExtractor/2.9.0-rc2

I'll close this issue for now, but if you see any problems using NativeAOT and MDE, please create a new issue and I'll see about fixing them prior to 2.9.0 going out. Thanks!