[MPlayer-cygwin] [PATCH] vo_directx.c: CPU hog fix

[Martin Fiedler]

Hi,

when used with the -wid option, MPlayer always takes 100% CPU time on
some, but not all systems (the problem occurs on my A64 3000+, WinXP,
GeForce 6600, but everything is fine on the P4 2.8 GHz, Win2K, i915 at
work). I tracked it back to Directx_ManageDisplay() in vo_directx.c
checking DirectX caps, setting up the DirectDraw clipper and doing other
stuff with *every* frame. I added some code that skips all this
initialization if the window size didn't change since the last frame.
I hope that this doesn't introduce other problems.

Best regards,
Martin J. Fiedler
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