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;
i = img->comps[0].prec;
offset = 1<<(i - 1); upb = (1<<i)-1;
maxw = img->comps[0].w; maxh = 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);
for(i = 0; 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;
free(img->comps[1].data); img->comps[1].data = d1;
free(img->comps[2].data); img->comps[2].data = d2;
}/* sycc444_to_rgb() */
static void sycc444_to_rgb(opj_image_t* img) {
int prec = img->comps[0].prec;
int offset = 1 << (prec - 1);
int upb = (1 << prec) - 1;
OPJ_UINT32 maxw =
std::min({img->comps[0].w, img->comps[1].w, img->comps[2].w});
OPJ_UINT32 maxh =
std::min({img->comps[0].h, img->comps[1].h, img->comps[2].h});
FX_SAFE_SIZE_T max_size = maxw;
max_size *= maxh;
if (!max_size.IsValid())
return;
const int* y = img->comps[0].data;
const int* cb = img->comps[1].data;
const int* cr = img->comps[2].data;
if (!y || !cb || !cr)
return;
int* r = FX_Alloc(int, max_size.ValueOrDie());
int* g = FX_Alloc(int, max_size.ValueOrDie());
int* b = FX_Alloc(int, max_size.ValueOrDie());
int* d0 = r;
int* d1 = g;
int* d2 = b;
for (size_t i = 0; i < max_size.ValueOrDie(); ++i) {
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y;
++cb;
++cr;
++r;
++g;
++b;
}
FX_Free(img->comps[0].data);
FX_Free(img->comps[1].data);
FX_Free(img->comps[2].data);
img->comps[0].data = d0;
img->comps[1].data = d1;
img->comps[2].data = d2;
}
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;
i = img->comps[0].prec;
offset = 1<<(i - 1);
upb = (1<<i)-1;
maxw = img->comps[0].w;
maxh = 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);
for(i=0; i < maxh; i += 2)
{
ny = y + maxw;
nr = r + maxw;
ng = g + maxw;
nb = b + maxw;
for(j=0; j < maxw; j += 2)
{
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;
}
y += maxw;
r += maxw;
g += maxw;
b += maxw;
}
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;
img->comps[1].w = maxw;
img->comps[1].h = maxh;
img->comps[2].w = maxw;
img->comps[2].h = maxh;
img->comps[1].dx = img->comps[0].dx;
img->comps[2].dx = img->comps[0].dx;
img->comps[1].dy = img->comps[0].dy;
img->comps[2].dy = img->comps[0].dy;
}/* sycc420_to_rgb() */
void sycc420_to_rgb(opj_image_t* img) {
if (!sycc420_size_is_valid(img))
return;
OPJ_UINT32 prec = img->comps[0].prec;
if (!prec)
return;
OPJ_UINT32 offset = 1 << (prec - 1);
OPJ_UINT32 upb = (1 << prec) - 1;
OPJ_UINT32 yw = img->comps[0].w;
OPJ_UINT32 yh = img->comps[0].h;
OPJ_UINT32 cbw = img->comps[1].w;
OPJ_UINT32 cbh = img->comps[1].h;
OPJ_UINT32 crw = img->comps[2].w;
bool extw = sycc420_must_extend_cbcr(yw, cbw);
bool exth = sycc420_must_extend_cbcr(yh, cbh);
FX_SAFE_UINT32 safeSize = yw;
safeSize *= yh;
if (!safeSize.IsValid())
return;
int* r = FX_Alloc(int, safeSize.ValueOrDie());
int* g = FX_Alloc(int, safeSize.ValueOrDie());
int* b = FX_Alloc(int, safeSize.ValueOrDie());
int* d0 = r;
int* d1 = g;
int* d2 = b;
const int* y = img->comps[0].data;
const int* cb = img->comps[1].data;
const int* cr = img->comps[2].data;
if (!y || !cb || !cr)
return;
const int* ny = nullptr;
int* nr = nullptr;
int* ng = nullptr;
int* nb = nullptr;
OPJ_UINT32 i = 0;
OPJ_UINT32 j = 0;
for (i = 0; i < (yh & ~(OPJ_UINT32)1); i += 2) {
ny = y + yw;
nr = r + yw;
ng = g + yw;
nb = b + yw;
for (j = 0; j < (yw & ~(OPJ_UINT32)1); j += 2) {
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 < yw) {
if (extw) {
--cb;
--cr;
}
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 += yw;
r += yw;
g += yw;
b += yw;
}
if (i < yh) {
if (exth) {
cb -= cbw;
cr -= crw;
}
for (j = 0; j < (yw & ~(OPJ_UINT32)1); j += 2) {
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 < yw) {
if (extw) {
--cb;
--cr;
}
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
}
}
FX_Free(img->comps[0].data);
img->comps[0].data = d0;
FX_Free(img->comps[1].data);
img->comps[1].data = d1;
FX_Free(img->comps[2].data);
img->comps[2].data = d2;
img->comps[1].w = yw;
img->comps[1].h = yh;
img->comps[2].w = yw;
img->comps[2].h = yh;
img->comps[1].w = yw;
img->comps[1].h = yh;
img->comps[2].w = yw;
img->comps[2].h = yh;
img->comps[1].dx = img->comps[0].dx;
img->comps[2].dx = img->comps[0].dx;
img->comps[1].dy = img->comps[0].dy;
img->comps[2].dy = img->comps[0].dy;
}
static void sycc422_to_rgb(opj_image_t* img) {
if (!sycc422_size_is_valid(img))
return;
int prec = img->comps[0].prec;
if (prec <= 0 || prec >= 32)
return;
int offset = 1 << (prec - 1);
int upb = (1 << prec) - 1;
OPJ_UINT32 maxw = img->comps[0].w;
OPJ_UINT32 maxh = img->comps[0].h;
FX_SAFE_SIZE_T max_size = maxw;
max_size *= maxh;
if (!max_size.IsValid())
return;
const int* y = img->comps[0].data;
const int* cb = img->comps[1].data;
const int* cr = img->comps[2].data;
if (!y || !cb || !cr)
return;
int *d0, *d1, *d2, *r, *g, *b;
d0 = r = FX_Alloc(int, max_size.ValueOrDie());
d1 = g = FX_Alloc(int, max_size.ValueOrDie());
d2 = b = FX_Alloc(int, max_size.ValueOrDie());
for (uint32_t i = 0; i < maxh; ++i) {
OPJ_UINT32 j;
for (j = 0; j < (maxw & ~static_cast<OPJ_UINT32>(1)); j += 2) {
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;
}
}
FX_Free(img->comps[0].data);
img->comps[0].data = d0;
FX_Free(img->comps[1].data);
img->comps[1].data = d1;
FX_Free(img->comps[2].data);
img->comps[2].data = d2;
img->comps[1].w = maxw;
img->comps[1].h = maxh;
img->comps[2].w = maxw;
img->comps[2].h = maxh;
img->comps[1].dx = img->comps[0].dx;
img->comps[2].dx = img->comps[0].dx;
img->comps[1].dy = img->comps[0].dy;
img->comps[2].dy = img->comps[0].dy;
}
