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Fix ycc_to_rgb conversions 

Update #574
This commit is contained in:
mayeut 2015-10-18 18:27:14 +02:00
parent 04291bf0ab
commit e94720fea0
1 changed files with 165 additions and 144 deletions
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113
applications/common/color.c
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@ -46,7 +46,7 @@
#endif
/*--------------------------------------------------------
Matrix für sYCC, Amendment 1 to IEC 61966-2-1
Matrix for sYCC, Amendment 1 to IEC 61966-2-1
Y : 0.299 0.587 0.114 :R
Cb: -0.1687 -0.3312 0.5 :G
@ -79,26 +79,26 @@ static void sycc444_to_rgb(opj_image_t *img)
{
int *d0, *d1, *d2, *r, *g, *b;
const int *y, *cb, *cr;
int maxw, maxh, max, i, offset, upb;
unsigned int maxw, maxh, max, i;
int offset, upb;
i = img->comps[0].prec;
offset = 1<<(i - 1); upb = (1<<i)-1;
upb = (int)img->comps[0].prec;
offset = 1<<(upb - 1); upb = (1<<upb)-1;
maxw = img->comps[0].w; maxh = img->comps[0].h;
maxw = (unsigned int)img->comps[0].w; maxh = (unsigned int)img->comps[0].h;
max = maxw * maxh;
y = img->comps[0].data;
cb = img->comps[1].data;
cr = img->comps[2].data;
d0 = r = (int*)malloc(sizeof(int) * max);
d1 = g = (int*)malloc(sizeof(int) * max);
d2 = b = (int*)malloc(sizeof(int) * max);
d0 = r = (int*)malloc(sizeof(int) * (size_t)max);
d1 = g = (int*)malloc(sizeof(int) * (size_t)max);
d2 = b = (int*)malloc(sizeof(int) * (size_t)max);
for(i = 0; i < max; ++i)
for(i = 0U; i < max; ++i)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y; ++cb; ++cr; ++r; ++g; ++b;
}
free(img->comps[0].data); img->comps[0].data = d0;
@ -111,33 +111,35 @@ static void sycc422_to_rgb(opj_image_t *img)
{
int *d0, *d1, *d2, *r, *g, *b;
const int *y, *cb, *cr;
int maxw, maxh, max, offset, upb;
int i, j;
unsigned int maxw, maxh, max;
int offset, upb;
unsigned int i, j;
i = img->comps[0].prec;
offset = 1<<(i - 1); upb = (1<<i)-1;
upb = (int)img->comps[0].prec;
offset = 1<<(upb - 1); upb = (1<<upb)-1;
maxw = img->comps[0].w; maxh = img->comps[0].h;
maxw = (unsigned int)img->comps[0].w; maxh = (unsigned int)img->comps[0].h;
max = maxw * maxh;
y = img->comps[0].data;
cb = img->comps[1].data;
cr = img->comps[2].data;
d0 = r = (int*)malloc(sizeof(int) * max);
d1 = g = (int*)malloc(sizeof(int) * max);
d2 = b = (int*)malloc(sizeof(int) * max);
d0 = r = (int*)malloc(sizeof(int) * (size_t)max);
d1 = g = (int*)malloc(sizeof(int) * (size_t)max);
d2 = b = (int*)malloc(sizeof(int) * (size_t)max);
for(i=0; i < maxh; ++i)
for(i=0U; i < maxh; ++i)
{
for(j=0; j < maxw; j += 2)
for(j=0U; j < (maxw & ~(unsigned int)1U); j += 2U)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y; ++r; ++g; ++b;
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y; ++r; ++g; ++b; ++cb; ++cr;
}
if (j < maxw) {
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y; ++r; ++g; ++b; ++cb; ++cr;
}
}
@ -151,36 +153,60 @@ static void sycc422_to_rgb(opj_image_t *img)
img->comps[2].dx = img->comps[0].dx;
img->comps[1].dy = img->comps[0].dy;
img->comps[2].dy = img->comps[0].dy;
}/* sycc422_to_rgb() */
static void sycc420_to_rgb(opj_image_t *img)
{
int *d0, *d1, *d2, *r, *g, *b, *nr, *ng, *nb;
const int *y, *cb, *cr, *ny;
int maxw, maxh, max, offset, upb;
int i, j;
unsigned int maxw, maxh, max;
int offset, upb;
unsigned int i, j;
i = img->comps[0].prec;
offset = 1<<(i - 1); upb = (1<<i)-1;
upb = (int)img->comps[0].prec;
offset = 1<<(upb - 1); upb = (1<<upb)-1;
maxw = img->comps[0].w; maxh = img->comps[0].h;
maxw = (unsigned int)img->comps[0].w; maxh = (unsigned int)img->comps[0].h;
max = maxw * maxh;
y = img->comps[0].data;
cb = img->comps[1].data;
cr = img->comps[2].data;
d0 = r = (int*)malloc(sizeof(int) * max);
d1 = g = (int*)malloc(sizeof(int) * max);
d2 = b = (int*)malloc(sizeof(int) * max);
d0 = r = (int*)malloc(sizeof(int) * (size_t)max);
d1 = g = (int*)malloc(sizeof(int) * (size_t)max);
d2 = b = (int*)malloc(sizeof(int) * (size_t)max);
for(i=0; i < maxh; i += 2)
for(i=0U; i < (maxh & ~(unsigned int)1U); i += 2U)
{
ny = y + maxw;
nr = r + maxw; ng = g + maxw; nb = b + maxw;
for(j=0; j < maxw; j += 2)
for(j=0; j < (maxw & ~(unsigned int)1U); j += 2U)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y; ++r; ++g; ++b;
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y; ++r; ++g; ++b;
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
++ny; ++nr; ++ng; ++nb;
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
++ny; ++nr; ++ng; ++nb; ++cb; ++cr;
}
if(j < maxw)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y; ++r; ++g; ++b;
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
++ny; ++nr; ++ng; ++nb; ++cb; ++cr;
}
y += maxw; r += maxw; g += maxw; b += maxw;
}
if(i < maxh)
{
for(j=0U; j < (maxw & ~(unsigned int)1U); j += 2U)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
@ -188,18 +214,14 @@ static void sycc420_to_rgb(opj_image_t *img)
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y; ++r; ++g; ++b;
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
++ny; ++nr; ++ng; ++nb;
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
++ny; ++nr; ++ng; ++nb; ++cb; ++cr;
++y; ++r; ++g; ++b; ++cb; ++cr;
}
y += maxw; r += maxw; g += maxw; b += maxw;
if(j < maxw)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
}
}
free(img->comps[0].data); img->comps[0].data = d0;
free(img->comps[1].data); img->comps[1].data = d1;
free(img->comps[2].data); img->comps[2].data = d2;
@ -252,8 +274,7 @@ void color_sycc_to_rgb(opj_image_t *img)
}
else
{
fprintf(stderr,"%s:%d:color_sycc_to_rgb\n\tCAN NOT CONVERT\n",
__FILE__,__LINE__);
fprintf(stderr,"%s:%d:color_sycc_to_rgb\n\tCAN NOT CONVERT\n", __FILE__,__LINE__);
return;
}
img->color_space = CLRSPC_SRGB;