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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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291
veejay-current/libvje/effects/chromamagick.c
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@@ -28,6 +28,7 @@
#include <stdlib.h>
#include "chromamagick.h"
#include <math.h>
#include "common.h"
// fixme: mode 8 and 9 corrupt (green/purple cbcr)
vj_effect *chromamagick_init(int w, int h)
@@ -92,15 +93,8 @@ void chromamagic_addsubselectlum(VJFrame *frame, VJFrame *frame2,
for (i = 0; i < len; i++) {
a = (Y[i] * op_a) >> 8;
b = (Y2[i] * op_b) >> 8;
if (b < 16)
b = 16;
if (b > 235)
b = 235;
if (a < 16)
a = 16;
if (a > 235)
a = 235;
a = CLAMP_Y(a);
b = CLAMP_Y(b);
if (b < a) {
c = (a + b) >> 1;
Y[i] = c;
@@ -228,14 +222,11 @@ void chromamagic_selectdiffneg(VJFrame *frame, VJFrame *frame2,
b = (Y2[i] * op_b) >> 8;
if (a > b) {
c = 255 - abs(255 - a - b);
if( c < 16 ) c = 16; else if ( c > 240) c = 240;
Y[i] = c;
Y[i] = CLAMP_Y(c);
c = ((Cb[i] * op_a) + (Cb2[i]*op_b) )>>8;
if( c < 16 ) c = 16; else if ( c > 235) c = 235;
Cb[i] = c;
Cb[i] = CLAMP_UV(c);
c = ((Cr[i] * op_a) + (Cr2[i]*op_b) )>>8;
if( c < 16) c = 16; else if ( c > 235) c = 235;
Cr[i] = c;
Cr[i] = CLAMP_UV(c);
}
}
}
@@ -258,12 +249,12 @@ void chromamagic_selectunfreeze(VJFrame *frame, VJFrame *frame2,
a = (Y[i] * op_a) >> 8;
b = (Y2[i] * op_b) >> 8;
if (a > 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;
Cb[i] = (Cb[i] + Cb2[i]) >> 1;
Cr[i] = (Cr[i] + Cr2[i]) >> 1;
@@ -289,20 +280,9 @@ void chromamagic_addlum(VJFrame *frame, VJFrame *frame2, int width,
for (i = 0; i < len; i++) {
a = (Y[i] * op_a) >> 8;
b = (Y2[i] * op_b) >> 8;
if (b < 16)
b = 16;
if (b > 235)
b = 235;
if (a < 16)
a = 16;
if (a > 235)
a = 235;
c = (a * a) / (255 - b);
if (c > 235)
c = 235;
if (c < 16)
c = 16;
Y[i] = c;
a = CLAMP_Y(a);
c = (a * a) / (256- b);
Y[i] = CLAMP_Y(c);
Cb[i] = (Cb[i] + Cb2[i]) >> 1;
Cr[i] = (Cr[i] + Cr2[i]) >> 1;
}
@@ -326,9 +306,8 @@ void chromamagic_exclusive(VJFrame *frame, VJFrame *frame2, int width, int heigh
a = Y[i];
b = Y2[i];
if(a < 16) a = 16; else if(a > 235) a = 235;
if(b < 16) b = 16; else if(b > 235) b = 235;
a = CLAMP_Y(a);
b = CLAMP_Y(b);
a *= o1;
b *= o2;
@@ -336,23 +315,20 @@ void chromamagic_exclusive(VJFrame *frame, VJFrame *frame2, int width, int heigh
b = b >> 8;
c = (a+b) - ((a * b) >> 8);
if( c < 16 ) c = 16; else if ( c > 240 ) c = 240;
Y[i] = c;
Y[i] = CLAMP_Y(c);
a = Cb[i]-128;
b = Cb2[i]-128;
c = (a + b) - (( a * b) >> 8);
c += 128;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cb[i] = c;
Cb[i] = CLAMP_UV(c);
a = Cr[i]-128;
b = Cr2[i]-128;
c = (a + b) - ((a*b) >> 8);
c += 128;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cr[i] = c;
Cr[i] = CLAMP_UV(c);
}
}
@@ -372,9 +348,6 @@ void chromamagic_diffnegate(VJFrame *frame, VJFrame *frame2, int width, int heig
const unsigned int o2 = 255 - o1;
#define MAGIC_THRESHOLD 40
for(i=0; i < len; i++) {
//a = (( 255 - Y[i]) * o1) >> 7; /* negation */
// b = (Y2[i] * o2) >> 7;
// d = abs( a - b );
a = Y[i];
b = Y2[i];
d = abs( a - b );
@@ -383,31 +356,18 @@ void chromamagic_diffnegate(VJFrame *frame, VJFrame *frame2, int width, int heig
a = Y[i] * o1;
b = Cb2[i] * o2;
c = 255 - ( (a + b) >>8 );
if( c < 16 ) c = 16; else if ( c > 240) c = 240;
Y[i] = c;
// a = (( 255 - Cb[i]) * o1) >> 7;
// b = (Cb2[i] * o2) >> 7;
// c = 255 - abs(a - b);
// if ( c < 16) c = 16; else if ( c > 235 ) c = 235;
// Cb[i] = c;
Y[i] = CLAMP_Y(c);
a = (Cb[i]-128) * o1;
b = (Cb2[i]-128) * o2;
c = 255 - ( 128 + (( a + b ) >> 8 ));
Cb[i] = c;
Cb[i] = CLAMP_UV(c);
a = (Cr[i]-128) * o1;
b = (Cr2[i]-128) * o2;
c = 255 - ( 128 + (( a + b ) >> 8 ));
// a = (( 255 - Cr[i]) * o1) >> 7;
// b = (Cr2[i] * o2) >> 7;
// c = 255 - abs( a- b);
if ( c < 16) c = 16; else if ( c > 235) c = 235;
Cr[i] = c;
Cr[i] = CLAMP_UV(c);
}
}
@@ -432,24 +392,19 @@ void chromamagic_additive(VJFrame *frame, VJFrame *frame2, int width,
a = (Y[i]*o1) >> 7;
b = (Y2[i]*o2) >> 7;
c = a + (( 2 * b ) - 255);
if( c < 16) c = 16; else if ( c > 235 ) c = 235;
Y[i] = c;
Y[i] = CLAMP_Y(c);
a = Cb[i];
b = Cb2[i];
c = a + ( ( 2 * b ) - 255 );
if ( c < 16 ) c = 16; else if ( c > 240 ) c = 240;
Cb[i] = c ;
Cb[i] = CLAMP_UV(c) ;
a = Cr[i] ;
b = Cr2[i] ;
c = a + ( ( 2 * b ) - 255 );
if ( c < 16 ) c = 16; else if ( c > 240 ) c = 240;
Cr[i] = c ;
Cr[i] = CLAMP_UV(c) ;
}
@@ -474,25 +429,22 @@ void chromamagic_basecolor(VJFrame *frame, VJFrame *frame2,
b = o1 - Y2[i];
c = a * b >> 8;
d = c + a * ((255 - (((255 - a) * (255 - b)) >> 8) - c) >> 8); //8
if ( d < 16 ) d = 16; else if ( d > 240 ) d = 240;
Y[i] = d;
Y[i] = CLAMP_Y(d);
a = Cb[i]-128;
b = Cb2[i]-128;
c = a * b >> 8;
d = c + a * ((255 - (((255-a) * (255-b)) >> 8) -c) >> 8);
d += 128;
if ( d < 16 ) d = 16; else if ( d > 235 ) d = 235;
Cb[i] = d;
Cb[i] = CLAMP_UV(d);
a = Cr[i]-128;
b = Cr2[i]-128;
c = a * b >> 8;
d = c + a * ((255 - (((255-a) * (255-b)) >> 8) -c ) >> 8);
d += 128;
if ( d < 16 ) d = 16; else if ( d > 235 ) d = 235;
Cr[i] = d;
Cr[i] = CLAMP_UV(d);
}
}
@@ -516,28 +468,26 @@ void chromamagic_freeze(VJFrame *frame, VJFrame *frame2, int w, int h, int op_a)
for(i=0; i < len; i++) {
a = Y[i];
b = Y2[i];
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 = 255 - ((op_a -a ) * (op_a - a)) / b;
if ( c < 16) c = 16; else if ( c > 240 ) c = 240;
Y[i] = c;
Y[i] = CLAMP_Y(c);
a = Cb[i];
b = Cb2[i];
if ( a < 16 ) a = 16;
if ( b < 16 ) b = 16;
c = 255 - ((255-a) * (255 - a)) / b;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cb[i] = c;
if ( a < pixel_U_lo_ ) a = pixel_U_lo_;
if ( b < pixel_U_lo_ ) b = pixel_U_lo_;
c = 255 - ((256-a) * (256 - a)) / b;
Cb[i] = CLAMP_UV(c);
a = Cr[i];
b = Cr2[i];
if ( a < 16 ) a = 16;
if ( b < 16 ) b = 16;
c = 255 - (( 255 - a ) * ( 255 - a )) / b;
if ( c < 16 ) c = 16; else if ( c> 235 ) c = 235;
Cr[i] = c;
if ( a < pixel_U_lo_ ) a = pixel_U_lo_;
if ( b < pixel_U_lo_ ) b = pixel_U_lo_;
c = 255 - (( 256 - a ) * ( 256 - a )) / b;
Cr[i] = CLAMP_UV(c);
}
}
@@ -557,28 +507,24 @@ void chromamagic_unfreeze( VJFrame *frame, VJFrame *frame2, int w, int h, int op
for(i=0; i < len; i++) {
a = Y[i];
b = Y2[i];
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 = 255 - (( op_a - b) * (op_a - b)) / a;
if ( c < 16 ) c = 16; else if ( c > 240 ) c = 240;
Y[i] = c;
Y[i] = CLAMP_Y(c);
a = Cb[i];
b = Cb2[i];
if ( a < 16) a = 16;
if ( b < 16) b = 16;
c = 255 - (( 255 - b) * ( 255 - b )) / a;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cb[i] = c;
if ( a < pixel_U_lo_ ) a = pixel_U_lo_;
if ( b < pixel_U_lo_ ) b = pixel_U_lo_;
c = 255 - (( 256 - b) * ( 256 - b )) / a;
Cb[i] = CLAMP_UV(c);
a = Cr[i];
b = Cr2[i];
if ( a < 16 ) a = 16;
if ( b < 16 ) b = 16;
c = 255 - ((255 -b ) * (255 - b)) /a ;
if ( c < 16 ) c = 16; else if ( c > 235) c = 235;
Cr[i] = c;
if ( a < pixel_U_lo_ ) a = pixel_U_lo_;
if ( b < pixel_U_lo_ ) b = pixel_U_lo_;
c = 255 - ((256 -b ) * (256 - b)) /a ;
Cr[i] = CLAMP_UV(c);
}
}
@@ -604,24 +550,21 @@ void chromamagic_hardlight( VJFrame *frame, VJFrame *frame2, int w, int h, int o
else {
c = 255 - (( op_a - b) * ( op_a - a ) >> 8);
}
if ( c < 16 ) c = 16; else if ( c > 240 ) c = 240;
Y[i] = c;
Y[i] =CLAMP_Y( c);
a = Cb[i]-128;
b = Cb2[i]-128;
if ( b < 128 ) c = ( a * b ) >> 8;
else c = 255 - (( 255 - b) * ( 255 - a) >> 8);
else c = 255 - (( 256 - b) * ( 256 - a) >> 8);
c += 128;
if ( c < 16) c = 16; else if ( c > 235 ) c = 235;
Cb[i] = c;
Cb[i] = CLAMP_UV(c);
a = Cr[i]-128;
b = Cr2[i]-128;
if ( b < 128) c = ( a * b ) >> 8;
else c = 255 - (( 255 - b) * ( 255 - a) >> 8 );
else c = 255 - (( 256 - b) * ( 256 - a) >> 8 );
c += 128;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cr[i] = c;
Cr[i] = CLAMP_UV(c);
}
}
@@ -644,22 +587,19 @@ void chromamagic_multiply( VJFrame *frame, VJFrame *frame2, int w, int h,int op_
a = (Y[i] * o1) >> 8;
b = (Y2[i] * o2) >> 8;
c = (a * b) >> 8;
if ( c < 16 ) c = 16; else if ( c > 240 ) c = 240;
Y[i] = c;
Y[i] = CLAMP_Y(c);
a = Cb[i]-128;
b = Cb2[i]-128;
c = ( a * b ) >> 8;
c += 128;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cb[i] = c;
Cb[i] = CLAMP_UV(c);
a = Cr[i] - 128;
b = Cr2[i] - 128;
c = ( a * b ) >> 8;
c += 128;
if ( c < 16 ) c = 16; else if ( c> 235) c = 235;
Cr[i] = c;
Cr[i] = CLAMP_UV(c);
}
}
@@ -681,25 +621,22 @@ void chromamagic_divide(VJFrame *frame, VJFrame *frame2, int w, int h, int op_a
for(i=0; i < len; i++) {
a = Y[i] * Y[i];
b = o1 - Y2[i];
if ( b < 16 ) b = 16;
if ( b < pixel_Y_lo_ ) b = pixel_Y_lo_;
c = a / b;
if ( c < 16 ) c = 16; else if (c > 240) c = 240;
Y[i] = c;
Y[i] = CLAMP_Y(c);
a = Cb[i] * Cb2[i];
b = 255 - Cb2[i];
if ( b < 16 ) b = 16;
if ( b < pixel_U_lo_ ) b = pixel_U_lo_;
c = a / b;
if ( c < 16) c= 16; else if ( c > 235) c = 235;
Cb[i] = c;
Cb[i] = CLAMP_UV(c);
a = Cr[i] * Cr[i];;
b = 255 - Cr2[i];
if ( b < 16 ) b = 16;
if ( b < pixel_U_lo_ ) b = pixel_U_lo_;
c = ( a / b );
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cr[i] = c;
Cr[i] = CLAMP_UV(c);
}
}
@@ -723,23 +660,18 @@ void chromamagic_substract(VJFrame *frame, VJFrame *frame2, int w, int h, int op
b = Y2[i];
c = a - ((b * o1) >> 8);
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Y[i] = c;
Y[i] = CLAMP_Y(c);
a = Cb[i];
b = Cb2[i];
c = (((a * o2) + (b * o1))>>8);
if ( c < 16 ) c = 16; else if ( c > 240 ) c = 240;
CLAMP_UV(c);
Cb[i] = c;
a = Cr[i];
b = Cr2[i];
c = (((a * o2) + (b * o1)) >> 8);
if ( c < 16 ) c = 16; else if ( c > 240 ) c = 240;
CLAMP_UV(c);
Cr[i] = c;
}
@@ -763,23 +695,19 @@ void chromamagic_add(VJFrame *frame, VJFrame *frame2, int width,
a = Y[i];
b = Y2[i];
c = a + (( 2 * b ) - op_a);
if( c < 16) c = 16; else if ( c > 240 ) c = 240;
Y[i] = c;
Y[i] = CLAMP_Y(c);
a = Cb[i]-128;
b = Cb2[i]-128;
c = a + ( 2 * b );
c += 128;
if( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cb[i] = c;
Cb[i] = CLAMP_UV(c);
a = Cr[i]-128;
b = Cr2[i]-128;
c = a + ( 2 * b );
c += 128;
if( c < 16 ) c = 16; else if ( c > 235) c = 235;
Cr[i] = c;
Cr[i] = CLAMP_UV(c);
}
}
@@ -798,20 +726,17 @@ void chromamagic_screen(VJFrame *frame, VJFrame *frame2, int w, int h, int op_a)
a = Y[i];
b = Y2[i];
c = 255 - ( (op_a-a) * (op_a-b) >> 8);
if( c < 16 ) c = 16; else if ( c > 240 ) c = 240;
Y[i] = c;
Y[i] = CLAMP_Y(c);
a = Cb[i]-128;
b = Cb2[i]-128;
c = 255 - ( ( 255-a) * (255 - b) >> 8);
c = 255 - ( ( 256-a) * (256 - b) >> 8);
c += 128;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cb[i] = c;
Cb[i] = CLAMP_UV(c);
a = Cr[i]-128;
b = Cr2[i]-128;
c = 255 - ( ( 255 -a) * (255 - b)>>8);
c = 255 - ( ( 256 -a) * (256 - b)>>8);
c += 128;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cr[i] = c;
Cr[i] = CLAMP_UV(c);
}
}
@@ -832,22 +757,19 @@ void chromamagic_difference(VJFrame *frame, VJFrame *frame2, int w, int h, int o
a = (Y[i] * o1)>>7;
b = (Y2[i] * o2)>>7;
c = abs ( a - b );
if( c < 16 ) c = 16; else if ( c > 240 ) c = 240;
Y[i] = c;
Y[i] = CLAMP_Y(c);
a = (Cb[i]-128);
b = (Cb2[i]-128);
c = abs ( a - b );
c += 128;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cb[i] = c;
Cb[i] = CLAMP_UV(c);
a = (Cr[i]-128);
b = (Cr2[i]-128);
c = abs( a - b );
c += 128;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cr[i] = c;
Cr[i] = CLAMP_UV(c);
}
}
@@ -871,26 +793,21 @@ void chromamagic_softlightmode(VJFrame *frame,VJFrame *frame2,
if ( a < op_a ) {
c = (a * b) >> 8;
d = (c + a * ( 255 - ( (255-a)*(255-b) >> 8) - c)) >> 8;
if ( d < 16 ) d = 16; else if ( d > 240) d = 240;
/* deal with chroma red/blue in a magical way
range gets narrowed.
*/
Y[i] = CLAMP_Y(d);
a = abs(Cb[i]-128);
b = abs(Cb2[i]-128);
c = (a * b);
d = (c + a * ( 255 - ( (a * b) >> 7) - c)) >> 7;
d += 128;
if ( d < 16) d = 16; else if ( d > 235 ) d = 235;
Cb[i] = d;
Cb[i] = CLAMP_UV(d);
a = abs(Cr[i]-128);
b = abs(Cr2[i]-128);
c = (a * b) >> 7;
d = (c + a * ( 255 - ( (a * b) >> 7) -c)) >> 7;
d += 128;
if( d < 16) d= 16; else if ( d > 235 ) d= 235;
Cr[i] = d;
Cr[i] = CLAMP_UV(d);
}
}
}
@@ -912,27 +829,24 @@ void chromamagic_dodge(VJFrame *frame, VJFrame *frame2, int w, int h,
b = Y2[i];
if( a >= op_a) c = a;
else {
if( b > 240 ) b = 240;
if( a < 16) a = 16;
c = (a << 8) / ( 255 - b );
if ( c < 16 ) c = 16; else if (c > 240 ) c = 240;
Y[i] = c;
if( b > pixel_Y_hi_ ) b = pixel_Y_hi_ - 5;
if( a < pixel_Y_lo_) a = pixel_Y_lo_;
c = (a << 8) / ( 256 - b );
Y[i] = CLAMP_Y(c);
a = Cb[i] - 128;
b = Cb2[i] - 128;
if ( b > 127 ) b = 127;
c = ( a << 7 ) / ( 128 - b );
c += 128;
if ( c < 16 ) c = 16; else if ( c > 235) c = 235;
Cb[i] = c;
Cb[i] = CLAMP_UV(c);
a = Cr[i] - 128;
b = Cr2[i] - 128;
if ( b > 127 ) b = 127;
c = ( a << 7 ) / ( 128 - b);
c += 128;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cr[i] = c;
Cr[i] = CLAMP_UV(c);
}
}
}
@@ -1011,35 +925,32 @@ void chromamagic_reflect(VJFrame *frame, VJFrame *frame2,
if ( b > op_a ) c = b;
else {
if ( b > 240 ) b = 240;
if ( a < 16 ) a = 16;
c = (a * a) / ( 255 - b );
if ( c < 16 ) c = 16; else if ( c > 240 ) c = 240;
Y[i] = c;
if ( b > pixel_Y_hi_ ) b = pixel_Y_hi_ -5;
if ( a < pixel_Y_lo_ ) a = pixel_Y_lo_;
c = (a * a) / ( 256 - b );
Y[i] = CLAMP_Y(c);
a = Cb[i];
b = Cb2[i];
if ( a < 16 ) a = 16;
if ( b < 16 ) b = 16;
if ( a < pixel_U_lo_) a = pixel_U_lo_;
if ( b < pixel_U_lo_ ) b = pixel_U_lo_;
a -= 128;
b -= 128;
if ( b == 128 ) b = 127;
c = ( a * a ) / ( 128 - b);
c += 128;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cb[i] = c;
Cb[i] = CLAMP_UV(c);
a = Cr[i];
b = Cr2[i];
if ( a < 16 ) a = 16;
if ( b < 16 ) b = 16;
if ( a < pixel_U_lo_ ) a = pixel_U_lo_;
if ( b < pixel_U_lo_ ) b = pixel_U_lo_;
a -= 128;
b -= 128;
if ( b == 128) b = 127;
c = ( a * a ) / ( 128 - b);
c += 128;
if ( c < 16 ) c = 16; else if ( c > 235 ) c = 235;
Cr[i] = c;
Cr[i] = CLAMP_UV(c);
}
}