[PATCH v4 0/4] MR8554: windows.media: Implement IActivationFactory::ActivateInstance() for IMediaTranscoder.

[Mohamad Al-Jaf (＠maljaf)]

Needed by LINE.

The IMediaTranscoder2 definition isn't needed for this, but it's small enough to add in case it's used by mingw.

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  v4: windows.media: Implement IActivationFactory::ActivateInstance() for IMediaTranscoder.
      include: Add windows.media.transcoding.idl.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/8554