Question 1

How do I read MP3 tags with TagLib#?

Accepted Answer

Use TagLib.File.Create with the file path, then access properties like tfile.Tag.Title and tfile.Properties.Duration. The README provides a clear code example for audio files that you can adapt.

Question 2

TagLib# vs MediaToolkit for .NET – which is better for metadata?

Accepted Answer

TagLib# specializes in metadata reading/writing across many formats with a unified API, while MediaToolkit focuses more on video encoding and processing. For pure metadata tasks, TagLib# is more comprehensive and easier to use.

Question 3

Can TagLib# handle HEIC image files?

Accepted Answer

No, HEIC is not listed among the supported image formats in the README, which includes JPEG, PNG, and TIFF. You may need to convert HEIC files to a supported format first or use another library.

Question 4

How to write custom metadata to a FLAC file?

Accepted Answer

Cast the tag to TagLib.Ogg.XiphComment using GetTag, then use SetField to add custom fields, as shown in the custom tags example. Remember to call Save() to persist changes.

Question 5

Is TagLib# compatible with .NET 6 or .NET Core?

Accepted Answer

Yes, it's platform-independent and built with .NET, supporting .NET Core and later versions. The README mentions testing on Windows and Linux, and it can be installed via NuGet for modern .NET projects.

Question 6

What are the performance implications for processing large media libraries?

Accepted Answer

TagLib# is file-based and may have overhead for bulk operations due to per-file parsing. For large libraries, consider batching reads/writes or using asynchronous methods to avoid blocking, though the library itself doesn't optimize for scale.

TagLib#

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