Lei Zhang : qcap: Don' t clip intermediate values in YUV to RGB conversion code.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0537a122c752886f6e87f2e372570ff2d041b0b7
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=0537a122c752886f6e87f2e372...

Author: Lei Zhang 
Date:   Tue Dec  9 16:35:32 2008 -0800

qcap: Don't clip intermediate values in YUV to RGB conversion code.

---

dlls/qcap/yuv.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/dlls/qcap/yuv.c b/dlls/qcap/yuv.c
index 358a711..5896ee5 100644
--- a/dlls/qcap/yuv.c
+++ b/dlls/qcap/yuv.c
@@ -68,21 +68,21 @@ void YUV_Init(void) {
    for (y_ = 0; y_ <= 255; y_++)
    {
       y = ((float) 255 / 219) * (y_ - 16);
-      yuv_xy[y_] = ValidRange((int) (y));
+      yuv_xy[y_] = y;
    }

for (cb = 0; cb <= 255; cb++)
    {
       u = ((float) 255 / 224) * (cb - 128);
-      yuv_gu[cb] = - ValidRange((int) (0.344 * u));
-      yuv_bu[cb] =   ValidRange((int) (1.772 * u));
+      yuv_gu[cb] = -0.344 * u;
+      yuv_bu[cb] =  1.772 * u;
    }

for (cr = 0; cr <= 255; cr++)
    {
       v = ((float) 255 / 224) * (cr - 128);
-      yuv_rv[cr] =   ValidRange((int) (1.402 * v));
-      yuv_gv[cr] = - ValidRange((int) (0.714 * v));
+      yuv_rv[cr] =  1.402 * v;
+      yuv_gv[cr] = -0.714 * v;
    }
    TRACE("Filled hash table\n");
 }