shithub: hj264

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use full swing conversion

--- a/hj264.c

+++ b/hj264.c

@@ -71,10 +71,10 @@

 			g = bgrx[1];

 			r = bgrx[2];

 			bgrx += 4;

-/* this is not the "full" swing, just sayin' */

-#define YY ((( 66*r + 129*g +  25*b + 128) >> 8) +  16)

-#define UU (((-38*r -  74*g + 112*b + 128) >> 8) + 128)

-#define VV (((112*r -  94*g -  18*b + 128) >> 8) + 128)

+

+#define YY ((( 77*r + 150*g +  29*b + 128) >> 8) +   0)

+#define UU (((-43*r -  84*g + 127*b + 128) >> 8) + 128)

+#define VV (((127*r - 106*g -  21*b + 128) >> 8) + 128)

 			py[x] = YY;

 			pu[x/2] = UU;

 			pv[x/2] = VV;