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rgbkeysmooth fixed

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git-svn-id: svn://code.dyne.org/veejay/trunk@761 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
This commit is contained in:
Niels Elburg
2007-02-04 18:28:01 +00:00
parent 6ef6398d2c
commit 8a264fe1ee
1 changed files with 13 additions and 22 deletions
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35
veejay-current/libvje/effects/rgbkeysmooth.c
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@@ -40,7 +40,7 @@ vj_effect *rgbkeysmooth_init(int w,int h)
ve->defaults[1] = 255; /* r */
ve->defaults[2] = 0; /* g */
ve->defaults[3] = 0; /* b */
ve->defaults[4] = 1; /* opacity */
ve->defaults[4] = 150; /* opacity */
ve->defaults[5] = 1500; /* noise level */
ve->limits[0][0] = 5;
ve->limits[1][0] = 900;
@@ -57,14 +57,14 @@ vj_effect *rgbkeysmooth_init(int w,int h)
ve->limits[0][4] = 0;
ve->limits[1][4] = 255;
ve->limits[0][5] = 0;
ve->limits[1][5] = 3500;
ve->limits[0][5] = 0;
ve->limits[1][5] = 3500;
ve->has_user = 0;
ve->has_user = 0;
ve->description = "Transparent Chroma Key (RGB)";
ve->extra_frame = 1;
ve->sub_format = 1;
ve->rgb_conv = 1;
ve->rgb_conv = 1;
return ve;
}
@@ -176,30 +176,21 @@ void rgbkeysmooth_apply(VJFrame *frame, VJFrame *frame2, int width,
// convert suppressed fg back to cbcr
// cb,cr are signed, go back to unsigned !
val = ((x1 * (cb-128)) - (y1 * (cr-128))) >> 7;
Cb[pos] = val;
val = ((x1 * (cr-128)) - (y1 * (cb-128))) >> 7;
Cr[pos] = val;
Cb[pos] = ((x1 * (cb-128)) - (y1 * (cr-128))) >> 7;
Cr[pos] = ((x1 * (cr-128)) - (y1 * (cb-128))) >> 7;
// deal with noise
val = (yy * yy) + (kg * kg);
if (val < (noise_level * noise_level)) {
kbg = 255;
}
val = (Y[pos] + (kbg * bg_y[pos])) >> 8;
val = CLAMP_Y(val);
Y[pos] = ((val*op0)+(fg_y[pos]*op1) )>>8 ;
val = (Cb[pos] + (kbg * bg_cb[pos])) >> 8;
val = CLAMP_UV(val);
Cb[pos] = ((val*op0) + (fg_cb[pos]*op1) )>>8;
val = (Cr[pos] + (kbg * bg_cr[pos])) >> 8;
val = CLAMP_UV(val);
Cr[pos] = ((val*op0) + (fg_cr[pos]*op1) )>>8;
Y[pos] = ( Y[pos] + (kbg * bg_y[pos])) >> 8;
Y[pos] = ( Y[pos] * op0 + bg_y[pos] * op1 ) >> 8;
Cb[pos] = (Cb[pos] + (kbg * bg_cb[pos])) >> 8;
Cb[pos] = (Cb[pos] * op0 + bg_cb[pos] * op1) >> 8;
Cr[pos] = (Cr[pos] + (kbg * bg_cr[pos])) >> 8;
Cr[pos] = (Cr[pos] * op0 + bg_cr[pos] * op1 ) >> 8;
}
}