[Bug 29852] Star Trek Birth of the Federation - No Videos

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=29852

--- Comment #10 from Dmitry Timoshkov <dmitry at baikal.ru> ---
(In reply to Bruno Jesus from comment #9)
> Created attachment 50781 [details]
> non-working attempt patch
> 
> I thought this would be easy but I lack the required knowledge in the area
> to understand frames, bits per pixel and other video related things. The
> attached patch is an attempt to invert the frames, it works weirdly and with
> many artifacts but I'm attaching anyway because maybe someone can spot some
> obvious problem in the process.

Hi Bruno,

biHeight is not supposed to be negative neither in source nor in destination
bitmaps. I have several different VFW codecs with source around and neither
of them handles or expects a negative biHeight. Do you know where it comes
from? Is that what application specified or something that Wine returned
at some point?

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