Re: [PATCH v6 0/2] MR2471: winegstreamer: In video_processor, activate a videoflip converter.

[eric pouech (＠epo)]

V3 => V4:
- added changes I somehow forgot in V3... sigh
V4 => V5:
- adapt test results on old Win10 VMs:

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https://gitlab.winehq.org/wine/wine/-/merge_requests/2471#note_29916