[PATCH v4 0/3] MR1662: winegstreamer: Map MF_SD_LANGUAGE to ISO 639-1.

[Shaun Ren (＠shaunren)]

This behaviour is expected by games such as Borderlands 3.

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  v4: mfplay/tests: Add tests for MF_SD_LANGUAGE.
      winegstreamer: Map MF_SD_LANGUAGE to ISO 639-1 for QuickTime media.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/1662