-#define SCALE_BITS 10
-
-#define C_Y (76309 >> (16 - SCALE_BITS))
-#define C_RV (117504 >> (16 - SCALE_BITS))
-#define C_BU (138453 >> (16 - SCALE_BITS))
-#define C_GU (13954 >> (16 - SCALE_BITS))
-#define C_GV (34903 >> (16 - SCALE_BITS))
+#define SCALEBITS 10
+#define ONE_HALF (1 << (SCALEBITS - 1))
+#define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
+
+#define YUV_TO_RGB1_CCIR(cb1, cr1)\
+{\
+ cb = (cb1) - 128;\
+ cr = (cr1) - 128;\
+ r_add = FIX(1.40200*255.0/224.0) * cr + ONE_HALF;\
+ g_add = - FIX(0.34414*255.0/224.0) * cb - FIX(0.71414*255.0/224.0) * cr + \
+ ONE_HALF;\
+ b_add = FIX(1.77200*255.0/224.0) * cb + ONE_HALF;\
+}
+
+#define YUV_TO_RGB2_CCIR(r, g, b, y1)\
+{\
+ yt = ((y1) - 16) * FIX(255.0/219.0);\
+ r = cm[(yt + r_add) >> SCALEBITS];\
+ g = cm[(yt + g_add) >> SCALEBITS];\
+ b = cm[(yt + b_add) >> SCALEBITS];\
+}
+