https://bugs.winehq.org/show_bug.cgi?id=14939
--- Comment #51 from Sam Russell sam.h.russell@gmail.com --- I'm not close enough to the project to know either way, but my guess would be that the methods that this patch adds line up with the other methods in the file (convert_yuy2_r5g6b5 etc). I'd want someone on the project to confirm though.