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full range yuv (jpeg) for 420,422, decode videoframe before completing open, scan pixel format, changed clamping were applicable in fx

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git-svn-id: svn://code.dyne.org/veejay/trunk@672 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
This commit is contained in:
Niels Elburg
2006-10-21 00:46:19 +00:00
parent 349931cc52
commit ae616b5448
44 changed files with 415 additions and 630 deletions
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117
veejay-current/libvje/effects/lumamagick.c
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@@ -22,7 +22,7 @@
#include <libvje/internal.h>
#include "magicoverlays.h"
#include "common.h"
/* 04/01/03: added transparency parameters for frame a and frame b in each function */
vj_effect *lumamagick_init(int width, int height)
@@ -72,30 +72,18 @@ void _lumamagick_adddistorted(VJFrame *frame, VJFrame *frame2,
a = Y[i] * opacity_a;
b = Y2[i] * opacity_b;
c = a + b;
if (c > 235)
c = 235;
if (c < 16)
c = 16;
Y[i] = c;
Y[i] = CLAMP_Y(c);
}
for (i = 0; i < uv_len; i++) {
a = Cb[i];
b = Cb2[i];
c = a + b;
if (c > 240)
c = 240;
if (c < 16)
c = 16;
Cb[i] = c;
Cb[i] = CLAMP_UV(c);
a = Cr[i];
b = Cr2[i];
c = a + b;
if (c > 240)
c = 240;
if (c < 16)
c = 16;
Cr[i] = c;
Cr[i] = CLAMP_UV(c);
}
}
@@ -251,8 +239,8 @@ void _lumamagick_divide(VJFrame *frame, VJFrame *frame2, int width,
for (i = 0; i < len; i++) {
b = (Y[i] * opacity_a) * (Y[i] * opacity_a);
c = 255 - (Y2[i] * opacity_b);
if (c < 16)
c = 16;
if (c < pixel_Y_lo_)
c = pixel_Y_lo_;
a = b / c;
Y[i] = a;
}
@@ -271,10 +259,6 @@ void _lumamagick_additive(VJFrame *frame, VJFrame *frame2, int width,
for (i = 0; i < len; i++) {
a = (Y[i] * opacity_a) + (2 * (Y2[i] * opacity_b)) - 255;
// if (a < 16)
// a = 16;
// if (a > 235)
// a = 235;
Y[i] = a;
}
}
@@ -312,16 +296,16 @@ void _lumamagick_softburn(VJFrame *frame, VJFrame *frame2, int width,
b = Y2[i] * opacity_b;
if (a + b < 255) {
if (a > 235)
if (a > pixel_Y_hi_)
c = a;
else
c = (b >> 7) / (255 - a);
c = (b >> 7) / (256 - a);
} else {
if (b < 16)
b = 16;
if (b < pixel_Y_lo_)
b = pixel_Y_lo_;
c = 255 - (((255 - a) >> 7) / b);
if (c < 16)
c = 16;
if (c < pixel_Y_lo_)
c = pixel_Y_lo_;
}
Y[i] = c;
}
@@ -341,8 +325,8 @@ void _lumamagick_inverseburn(VJFrame *frame, VJFrame *frame2,
for (i = 0; i < len; i++) {
a = Y[i] * opacity_a;
b = Y2[i] * opacity_b;
if (a < 16)
c = 16;
if (a < pixel_Y_lo_)
c = pixel_Y_lo_;
else
c = 255 - (((255 - b) >> 8) / a);
Y[i] = c;
@@ -364,10 +348,10 @@ void _lumamagick_colordodge(VJFrame *frame, VJFrame *frame2,
for (i = 0; i < len; i++) {
a = Y[i] * opacity_a;
b = Y2[i] * opacity_b;
if (a >= 235)
c = 235;
if (a >= pixel_Y_hi_)
c = pixel_Y_hi_;
else
c = (b >> 8) / (235 - a);
c = (b >> 8) / (pixel_Y_hi_ - a);
Y[i] = c;
}
@@ -386,9 +370,9 @@ void _lumamagick_mulsub(VJFrame *frame, VJFrame *frame2, int width,
for (i = 0; i < len; i++) {
a = Y[i] * opacity_a;
b = (235 - Y2[i]) * opacity_b;
if (b < 16)
b = 16;
b = (pixel_Y_hi_ - Y2[i]) * opacity_b;
if (b < pixel_Y_lo_)
b = pixel_Y_lo_;
c = a / b;
Y[i] = c;
}
@@ -487,10 +471,10 @@ void _lumamagick_basecolor(VJFrame *frame, VJFrame *frame2, int width,
for (i = 0; i < len; i++) {
a = Y[i] * opacity_a;
b = Y2[i] * opacity_b;
if (a < 16)
a = 16;
if (b < 16)
b = 16;
if (a < pixel_Y_lo_)
a = pixel_Y_lo_;
if (b < pixel_Y_lo_)
b = pixel_Y_lo_;
c = a * b >> 7;
d = c + a * ((255 - (((255 - a) * (255 - b)) >> 7) - c) >> 7); //8
Y[i] = d;
@@ -512,8 +496,8 @@ void _lumamagick_freeze(VJFrame *frame, VJFrame *frame2, int width,
a = Y[i] * opacity_a;
b = Y2[i] * opacity_b;
if (b < 16)
c = 16;
if (b < pixel_Y_lo_)
c = pixel_Y_lo_;
else
c = 255 - ((255 - a) * (255 - a)) / b;
@@ -536,12 +520,12 @@ void _lumamagick_unfreeze(VJFrame *frame, VJFrame *frame2, int width,
a = Y[i] * opacity_a;
b = Y2[i] * opacity_b;
if (a < 16)
c = 16;
if (a < pixel_Y_lo_)
c = pixel_Y_lo_;
else
c = 255 - ((255 - b) * (255 - b)) / a;
if (c < 16)
c = 16;
c = 255 - ((256 - b) * (256 - b)) / a;
if (c < pixel_Y_lo_)
c = pixel_Y_lo_;
Y[i] = c;
}
@@ -565,9 +549,9 @@ void _lumamagick_hardlight(VJFrame *frame, VJFrame *frame2, int width,
if (b < 128)
c = (a * b) >> 7;
else
c = 255 - ((255 - b) * (255 - a) >> 7);
if (c < 16)
c = 16;
c = 255 - ((256 - b) * (256 - a) >> 7);
if (c < pixel_Y_lo_)
c = pixel_Y_lo_;
Y[i] = c;
}
@@ -852,12 +836,12 @@ void _lumamagick_addtest4(VJFrame *frame, VJFrame *frame2, int width,
a = Y[i] * opacity_a;
b = Y2[i] * opacity_b;
b = b - 255;
if (a < 16)
a = 16;
if (b < 16)
if (a < pixel_Y_lo_)
a = pixel_Y_lo_;
if (b < pixel_Y_lo_)
b = Y2[i] * opacity_b;
if (b < 16)
b = 16;
if (b < pixel_Y_lo_)
b = pixel_Y_lo_;
c = (a * a) / b;
Y[i] = c;
@@ -919,19 +903,19 @@ void _lumamagick_addtest3(VJFrame *frame, VJFrame *frame2, int width,
for (i = 0; i < len; i++) {
a = Y[i] * opacity_a;
b = (255 - Y2[i]) * opacity_b;
if (b < 16)
b = 16;
if (b < pixel_Y_lo_)
b = pixel_Y_lo_;
c = (a * a) / b;
Y[i] = c;
}
for (i = 0; i < uv_len; i++) {
//a = Cb[i] * opacity_a;
//b = (235 - Cb2[i]) * opacity_b;
//if (b < 16) b = Cb2[i] * opacity_b;
//b = (pixel_Y_hi_ - Cb2[i]) * opacity_b;
//if (b < pixel_Y_lo_) b = Cb2[i] * opacity_b;
a = Cb[i];
b = 255 - Cb2[i];
if (b < 16)
if (b < pixel_U_lo_)
b = Cb2[i];
c = (a >> 1) + (b >> 1);
@@ -939,17 +923,16 @@ void _lumamagick_addtest3(VJFrame *frame, VJFrame *frame2, int width,
Cb[i] = c;
//a = Cr[i] * opacity_a;
//b = (235 - Cr2[i]) * opacity_b;
//if (b < 16) b = Cr2[i] * opacity_b;
//b = (pixel_Y_hi_ - Cr2[i]) * opacity_b;
//if (b < pixel_Y_lo_) b = Cr2[i] * opacity_b;
a = Cr[i];
b = 255 - Cr2[i];
if (b < 16)
if (b < pixel_U_lo_)
b = Cr2[i];
c = (a >> 1) + (b >> 1);
//c = (a * a) / ( b - 255 ) ;
Cr[i] = c;
@@ -972,12 +955,12 @@ void _lumamagick_addlum(VJFrame *frame, VJFrame *frame2, int width,
for (i = 0; i < len; i++) {
a = Y[i] * opacity_a;
b = Y2[i] * opacity_b;
if (b > 235)
b = 235;
if (b > pixel_Y_hi_)
b = pixel_Y_hi_;
if ((255 - b) > 0) {
c = (a * a) / 255;
} else {
c = (a * a) / (255 - b);
c = (a * a) / (256 - b);
}
Y[i] = c;