Added Patch to use R sensor information of Fujifilm S5 Pro from Francisco

This commit is contained in:
Wyatt Olson 2010-04-22 17:38:39 -06:00
parent 88c05a3075
commit 4b75d97a13

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@ -8854,6 +8854,292 @@ extern Settings* settings;
Glib::Mutex* dcrMutex=NULL;
int loadFujiRaw (const char* fname, struct RawImage *ri) {
ushort height_r;
ushort width_r;
ushort (*image_r)[4];
int col;
int row;
int c;
// Valores de saturacion escalados entre 0 y 1 sobre 2^14
int max_val = pow(2, 14) - 1;
float sat_s;
float sat_r;
// Factores entre los diferentes canales
const float factor_canal[] = {4.32, 3.84, 4.46, 3.84};
static const double xyzd50_srgb[3][3] =
{ { 0.436083, 0.385083, 0.143055 },
{ 0.222507, 0.716888, 0.060608 },
{ 0.013930, 0.097097, 0.714022 } };
dcrMutex->lock ();
ifname = fname;//strdup (fname);
image = NULL;
exif_base = -1;
ciff_base = -1;
ciff_len = -1;
verbose = settings->verbose;
oprof = NULL;
ri->data = NULL;
ri->allocation = NULL;
ri->profile_data = NULL;
ifp = gfopen (fname);
if (!ifp) {
dcrMutex->unlock ();
return 3;
}
use_camera_wb = 0;
highlight = 1;
half_size = 0;
//Sensor R
shot_select = 1;
identify ();
use_camera_wb = 1;
shrink = 0;
if (settings->verbose) printf ("Loading %s %s image from %s...\n", make, model, fname);
iheight = height;
iwidth = width;
image = (UshORt (*)[4])calloc (height*width*sizeof *image + meta_length, 1);
image_r = (UshORt (*)[4])calloc (height*width*sizeof *image + meta_length, 1);
meta_data = (char *) (image + height*width);
if (setjmp (failure)) {
if (image)
free (image);
if (ri->data)
free(ri->data);
fclose (ifp);
dcrMutex->unlock ();
return 100;
}
fseek (ifp, data_offset, SEEK_SET);
(*load_raw)();
// Copiaremos la imagen en otra ubicacion y la liberaremos
memcpy(image_r, image, height*width*sizeof *image + meta_length);
height_r = height;
width_r = width;
free(image);
// Cargaremos la otra imagen
exif_base = -1;
ciff_base = -1;
ciff_len = -1;
verbose = settings->verbose;
oprof = NULL;
ri->data = NULL;
ri->allocation = NULL;
ri->profile_data = NULL;
fseek (ifp, 0, SEEK_SET); // Podremos el apuntador del fichero en el inicio
//Sensor S
shot_select = 0;
use_camera_wb = 0;
highlight = 1;
half_size = 0;
identify ();
use_camera_wb = 1;
shrink = 0;
if (settings->verbose) printf ("Loading %s %s image from %s...\n", make, model, fname);
iheight = height;
iwidth = width;
image = (UshORt (*)[4])calloc (height*width*sizeof *image + meta_length, 1);
meta_data = (char *) (image + height*width);
if (setjmp (failure)) {
if (image)
free (image);
if (ri->data)
free(ri->data);
fclose (ifp);
dcrMutex->unlock ();
return 100;
}
fseek (ifp, data_offset, SEEK_SET);
(*load_raw)();
// Segun los valores de iso establecemos los valores de saturacion de S
switch((int)iso_speed){
case 100:
sat_s = 0.82;
break;
default:
sat_s = 0.96;
}
// Segun los valores de iso establecemos los valores de saturacion de R
switch((int)iso_speed){
case 100:
sat_r = 0.20;
break;
case 125:
sat_r = 0.28;
break;
case 160:
sat_r = 0.36;
break;
case 200:
sat_r = 0.31;
break;
case 250:
sat_r = 0.4;
break;
case 320:
sat_r = 0.5;
break;
case 400:
sat_r = 0.41;
break;
case 500:
sat_r = 0.52;
break;
case 640:
sat_r = 0.68;
break;
default:
sat_r = 0.96;
}
printf("Los valores de saturacion son: %f(S), %f(R)", sat_s, sat_r);
// Escalamos los valores
ushort *pvalue_r;
ushort *pvalue_s;
float svalue;
float rvalue;
float value;
for (int row = 0; row < height_r; row++)
for (int col = 0; col < width_r; col++)
FORC4 {
pvalue_r = &image_r[row*width_r+col][c];
pvalue_s = &image[(row+1)*width+col][c];
rvalue = *pvalue_r/(float)max_val;
svalue = *pvalue_s/(float)max_val;
value = MIN(svalue/sat_s, 1.0);
if(value == 1.0) /* Si el pixel esta saturado */
value = MIN(rvalue/sat_r, 1.0) * factor_canal[c];
value /= 4.46;
// Escalamos el valor a 2^16
value *= (pow(2,16) - 1);
// Asignamos el valor a la imagen S
*pvalue_s = (ushort) CLIP(value);
}
puts("Concluido");
ri->profile_len = 0;
ri->profile_data = NULL;
if (profile_length) {
ri->profile_len = profile_length;
ri->profile_data = (char *) malloc (profile_length);
fseek (ifp, profile_offset, SEEK_SET);
fread (ri->profile_data, 1, profile_length, ifp);
}
fclose(ifp);
if (zero_is_bad) remove_zeroes();
ri->red_multiplier = pre_mul[0];
ri->green_multiplier = pre_mul[1];
ri->blue_multiplier = pre_mul[2];
// Establecemos el maximo en 65535 con el fin de que no se escalen
// los valores, ya que estos han sido ya escalados previamente por
// nosotros. No obstante deberemos seguir ejecutando scale_colors,
// ya que dicha funcion aplica el balance de blancos
maximum = 65535;
scale_colors();
pre_interpolate ();
ri->width = width;
ri->height = height;
ri->filters = filters;
if (filters) {
ri->allocation = (short unsigned int*)calloc(height*width, sizeof(unsigned short));
ri->data = (unsigned short**)calloc(height, sizeof(unsigned short*));
for (int i=0; i<height; i++)
ri->data[i] = ri->allocation + i*width;
for (int row = 0; row < height; row++)
for (int col = 0; col < width; col++)
if (ISGREEN(ri,row,col))
ri->data[row][col] = image[row*width+col][1];
else if (ISRED(ri,row,col))
ri->data[row][col] = image[row*width+col][0];
else
ri->data[row][col] = image[row*width+col][2];
}
else {
ri->allocation = (short unsigned int*)calloc(3*height*width, sizeof(unsigned short));
ri->data = (unsigned short**)calloc(height, sizeof(unsigned short*));
for (int i=0; i<height; i++)
ri->data[i] = ri->allocation + 3*i*width;
for (int row = 0; row < height; row++)
for (int col = 0; col < width; col++) {
ri->data[row][3*col+0] = image[row*width+col][0];
ri->data[row][3*col+1] = image[row*width+col][1];
ri->data[row][3*col+2] = image[row*width+col][2];
}
}
if (flip==5)
ri->rotate_deg = 270;
else if (flip==3)
ri->rotate_deg = 180;
else if (flip==6)
ri->rotate_deg = 90;
else
ri->rotate_deg = 0;
ri->make = strdup (make);
ri->model = strdup (model);
ri->exifbase = exif_base;
ri->prefilters = pre_filters;
ri->ciff_base = ciff_base;
ri->ciff_len = ciff_len;
ri->camwb_red = ri->red_multiplier / pre_mul[0];
ri->camwb_green = ri->green_multiplier / pre_mul[1];
ri->camwb_blue = ri->blue_multiplier / pre_mul[2];
ri->defgain = 1.0 / MIN(MIN(pre_mul[0],pre_mul[1]),pre_mul[2]);
ri->fuji_width = fuji_width;
for (int a=0; a < 3; a++)
for (int b=0; b < 3; b++)
ri->coeff[a][b] = rgb_cam[a][b];
free (image);
free (image_r);
dcrMutex->unlock ();
return 0;
}
int loadRaw (const char* fname, struct RawImage *ri) {
static const double xyzd50_srgb[3][3] =
@ -8891,6 +9177,11 @@ dcrMutex->lock ();
dcrMutex->unlock ();
return 2;
}
else if (is_raw == 2 && !strcmp("FUJIFILM", make) && !strcmp("FinePix S5Pro", model)) {
fclose(ifp);
dcrMutex->unlock ();
return loadFujiRaw(fname, ri);
}
shrink = 0;