[MPlayer-dev-eng] [PATCH] vf_ass: avoid a division

[Nicolas George]

Le nonidi 29 fructidor, an CCXVIII, Nicolas George a écrit :
> The attached patch avoids a division in the inner loops of the alpha
> blending code of vf_ass.

And this new test if alpha is 0 before blending, like most OSD blending
functions do.

On my box, the benchmark gives 4.93s ± 0.045, which means +6.3% on top of
the previous patch, +10.7 from original.

It needs a reindent afterwards.

Regards,

-- 
  Nicolas George
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