Re: [PATCH 0/10] MR5508: winegstreamer/video_decoder: Use video_decoder to implement wmv decoder.

[Rémi Bernon]

Making the transform interface optional defeats the purpose of merging the two files, this should implement the IMFTransform interface for the WMV decoder as well.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/5508#note_68405