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/*
* This file is part of RawTherapee.
*
* LibRaw integration adapted from ART.
*
* Created on: 20/nov/2010
*/
#include <strings.h>
#ifdef _WIN32
#include <winsock2.h>
#else
#include <netinet/in.h>
#endif
#include <libraw/libraw.h>
#include "image8.h"
#include "rawimage.h"
#include "settings.h"
#include "camconst.h"
#include "utils.h"
#include "rtengine.h"
namespace rtengine
{
extern MyMutex *librawMutex;
RawImage::RawImage(const Glib::ustring &name)
: DCraw()
, data(nullptr)
, prefilters(0)
, filename(name)
, rotate_deg(0)
, profile_data(nullptr)
, allocation(nullptr)
{
memset(maximum_c4, 0, sizeof(maximum_c4));
memset(white, 0, sizeof(white));
RT_matrix_from_constant = ThreeValBool::X;
RT_blacklevel_from_constant = ThreeValBool::X;
RT_whitelevel_from_constant = ThreeValBool::X;
memset(make, 0, sizeof(make));
memset(model, 0, sizeof(model));
}
RawImage::~RawImage()
{
if (ifp) {
fclose(ifp);
ifp = nullptr;
}
if (image && decoder == Decoder::DCRAW) {
free(image);
}
if (allocation) {
delete [] allocation;
allocation = nullptr;
}
if (float_raw_image) {
delete [] float_raw_image;
float_raw_image = nullptr;
}
if (data) {
delete [] data;
data = nullptr;
}
if (profile_data) {
delete [] profile_data;
profile_data = nullptr;
}
}
void RawImage::pre_interpolate()
{
int w = width, h = height;
if (decoder == Decoder::LIBRAW) {
width = iwidth;
height = iheight;
}
DCraw::pre_interpolate();
width = w;
height = h;
}
eSensorType RawImage::getSensorType() const
{
if (isBayer()) {
return ST_BAYER;
} else if (isXtrans()) {
return ST_FUJI_XTRANS;
} else if (isFoveon()) {
return ST_FOVEON;
}
return ST_NONE;
}
/* Similar to dcraw scale_colors for coeff. calculation, but without actual pixels scaling.
* need pixels in data[][] available
*/
void RawImage::get_colorsCoeff(float *pre_mul_, float *scale_mul_, float *cblack_, bool forceAutoWB)
{
if (!pre_mul_ && !scale_mul_ && !forceAutoWB) {
// only black levels
if (isXtrans()) {
// for xtrans files dcraw stores black levels in cblack[6] .. cblack[41], but all are equal, so we just use cblack[6]
for (int c = 0; c < 4; c++) {
cblack_[c] = (float) this->get_cblack(6);
}
} else if ((this->get_cblack(4) + 1) / 2 == 1 && (this->get_cblack(5) + 1) / 2 == 1) {
for (int c = 0; c < 4; c++) {
cblack_[c] = this->get_cblack(c);
}
for (int c = 0; c < 4; c++) {
cblack_[FC(c / 2, c % 2)] = this->get_cblack(6 + c / 2 % this->get_cblack(4) * this->get_cblack(5) + c % 2 % this->get_cblack(5));
}
} else {
for (int c = 0; c < 4; c++) {
cblack_[c] = (float) this->get_cblack(c);
}
}
return;
}
unsigned sum[8], c;
unsigned W = this->get_width();
unsigned H = this->get_height();
float val;
double dsum[8], dmin, dmax;
if (isXtrans()) {
// for xtrans files dcraw stores black levels in cblack[6] .. cblack[41], but all are equal, so we just use cblack[6]
for (int c = 0; c < 4; c++) {
cblack_[c] = (float) this->get_cblack(6);
pre_mul_[c] = this->get_pre_mul(c);
}
} else if ((this->get_cblack(4) + 1) / 2 == 1 && (this->get_cblack(5) + 1) / 2 == 1) {
for (int c = 0; c < 4; c++) {
cblack_[c] = this->get_cblack(c);
}
for (int c = 0; c < 4; c++) {
cblack_[FC(c / 2, c % 2)] = this->get_cblack(6 + c / 2 % this->get_cblack(4) * this->get_cblack(5) + c % 2 % this->get_cblack(5));
pre_mul_[c] = this->get_pre_mul(c);
}
} else {
for (int c = 0; c < 4; c++) {
cblack_[c] = (float) this->get_cblack(c);
pre_mul_[c] = this->get_pre_mul(c);
}
}
if (this->get_cam_mul(0) == -1 || forceAutoWB) {
if (!data) { // this happens only for thumbnail creation when get_cam_mul(0) == -1
compress_image(0, false);
}
memset(dsum, 0, sizeof dsum);
constexpr float blackThreshold = 8.f;
constexpr float whiteThreshold = 25.f;
if (this->isBayer()) {
// calculate number of pixels per color
dsum[FC(0, 0) + 4] += (int)(((W + 1) / 2) * ((H + 1) / 2));
dsum[FC(0, 1) + 4] += (int)(((W / 2) * ((H + 1) / 2)));
dsum[FC(1, 0) + 4] += (int)(((W + 1) / 2) * (H / 2));
dsum[FC(1, 1) + 4] += (int)((W / 2) * (H / 2));
#ifdef _OPENMP
#pragma omp parallel private(val)
#endif
{
double dsumthr[8];
memset(dsumthr, 0, sizeof dsumthr);
float sum[4];
// make local copies of the black and white values to avoid calculations and conversions
float cblackfloat[4];
float whitefloat[4];
for (int c = 0; c < 4; c++) {
cblackfloat[c] = cblack_[c] + blackThreshold;
whitefloat[c] = this->get_white(c) - whiteThreshold;
}
float *tempdata = data[0];
#ifdef _OPENMP
#pragma omp for nowait
#endif
for (size_t row = 0; row < H; row += 8) {
size_t ymax = row + 8 < H ? row + 8 : H;
for (size_t col = 0; col < W ; col += 8) {
size_t xmax = col + 8 < W ? col + 8 : W;
memset(sum, 0, sizeof sum);
for (size_t y = row; y < ymax; y++)
for (size_t x = col; x < xmax; x++) {
int c = FC(y, x);
val = tempdata[y * W + x];
if (val > whitefloat[c] || val < cblackfloat[c]) { // calculate number of pixels to be subtracted from sum and skip the block
dsumthr[FC(row, col) + 4] += (int)(((xmax - col + 1) / 2) * ((ymax - row + 1) / 2));
dsumthr[FC(row, col + 1) + 4] += (int)(((xmax - col) / 2) * ((ymax - row + 1) / 2));
dsumthr[FC(row + 1, col) + 4] += (int)(((xmax - col + 1) / 2) * ((ymax - row) / 2));
dsumthr[FC(row + 1, col + 1) + 4] += (int)(((xmax - col) / 2) * ((ymax - row) / 2));
goto skip_block2;
}
sum[c] += val;
}
for (int c = 0; c < 4; c++) {
dsumthr[c] += static_cast<double>(sum[c]);
}
skip_block2:
;
}
}
#ifdef _OPENMP
#pragma omp critical
#endif
{
for (int c = 0; c < 4; c++) {
dsum[c] += dsumthr[c];
}
for (int c = 4; c < 8; c++) {
dsum[c] -= dsumthr[c];
}
}
}
for (int c = 0; c < 4; c++) {
dsum[c] -= static_cast<double>(cblack_[c]) * dsum[c + 4];
}
} else if (isXtrans()) {
#ifdef _OPENMP
#pragma omp parallel
#endif
{
double dsumthr[8];
memset(dsumthr, 0, sizeof dsumthr);
float sum[8];
// make local copies of the black and white values to avoid calculations and conversions
float cblackfloat[4];
float whitefloat[4];
for (int c = 0; c < 4; c++)
{
cblackfloat[c] = cblack_[c] + blackThreshold;
whitefloat[c] = this->get_white(c) - whiteThreshold;
}
#ifdef _OPENMP
#pragma omp for nowait
#endif
for (size_t row = 0; row < H; row += 8)
for (size_t col = 0; col < W ; col += 8)
{
memset(sum, 0, sizeof sum);
for (size_t y = row; y < row + 8 && y < H; y++)
for (size_t x = col; x < col + 8 && x < W; x++) {
int c = XTRANSFC(y, x);
float val = data[y][x];
if (val > whitefloat[c] || val < cblackfloat[c]) {
goto skip_block3;
}
val -= cblack_[c];
sum[c] += val;
sum[c + 4]++;
}
for (int c = 0; c < 8; c++) {
dsumthr[c] += static_cast<double>(sum[c]);
}
skip_block3:
;
}
#ifdef _OPENMP
#pragma omp critical
#endif
{
for (int c = 0; c < 8; c++)
{
dsum[c] += dsumthr[c];
}
}
}
} else if (colors == 1) {
for (int c = 0; c < 4; c++) {
pre_mul_[c] = 1;
}
} else {
for (size_t row = 0; row < H; row += 8)
for (size_t col = 0; col < W ; col += 8) {
memset(sum, 0, sizeof sum);
for (size_t y = row; y < row + 8 && y < H; y++)
for (size_t x = col; x < col + 8 && x < W; x++)
for (int c = 0; c < 3; c++) {
val = data[y][3 * x + c];
if (val > this->get_white(c) - whiteThreshold || val < cblack_[c] + blackThreshold) {
goto skip_block;
}
val -= cblack_[c];
sum[c] += val;
sum[c + 4]++;
}
for (c = 0; c < 8; c++) {
dsum[c] += sum[c];
}
skip_block:
;
}
}
for (int c = 0; c < 4; c++)
if (dsum[c]) {
pre_mul_[c] = dsum[c + 4] / dsum[c];
}
} else {
memset(sum, 0, sizeof sum);
for (size_t row = 0; row < 8; row++)
for (size_t col = 0; col < 8; col++) {
int c = FC(row, col);
if ((val = white[row][col] - cblack_[c]) > 0) {
sum[c] += val;
}
sum[c + 4]++;
}
if (sum[0] && sum[1] && sum[2] && sum[3])
for (int c = 0; c < 4; c++) {
pre_mul_[c] = (float) sum[c + 4] / sum[c];
} else if (this->get_cam_mul(0) && this->get_cam_mul(2)) {
pre_mul_[0] = this->get_cam_mul(0);
pre_mul_[1] = this->get_cam_mul(1);
pre_mul_[2] = this->get_cam_mul(2);
pre_mul_[3] = this->get_cam_mul(3);
} else {
fprintf(stderr, "Cannot use camera white balance.\n");
}
}
if (pre_mul_[3] == 0) {
pre_mul_[3] = this->get_colors() < 4 ? pre_mul_[1] : 1;
} else if (this->get_colors() < 4) {
pre_mul_[3] = pre_mul_[1] = (pre_mul_[3] + pre_mul_[1]) / 2;
}
if (colors == 1) {
// there are monochrome cameras with wrong matrix. We just replace with this one.
rgb_cam[0][0] = 1; rgb_cam[1][0] = 0; rgb_cam[2][0] = 0;
rgb_cam[0][1] = 0; rgb_cam[1][1] = 1; rgb_cam[2][1] = 0;
rgb_cam[0][2] = 0; rgb_cam[1][2] = 0; rgb_cam[2][2] = 1;
for (c = 1; c < 4; c++) {
cblack_[c] = cblack_[0];
}
}
bool multiple_whites = false;
int largest_white = this->get_white(0);
for (c = 1; c < 4; c++) {
if (this->get_white(c) != this->get_white(0)) {
multiple_whites = true;
if (this->get_white(c) > largest_white) {
largest_white = this->get_white(c);
}
}
}
if (multiple_whites) {
// dcraw's pre_mul/cam_mul expects a single white, so if we have provided multiple whites we need
// to adapt scaling to avoid color shifts.
for (c = 0; c < 4; c++) {
// we don't really need to do the largest_white division but do so just to keep pre_mul in similar
// range as before adjustment so they don't look strangely large if someone would print them
pre_mul_[c] *= (float)this->get_white(c) / largest_white;
}
}
for (dmin = DBL_MAX, dmax = c = 0; c < 4; c++) {
dmin = rtengine::min<double>(dmin, pre_mul_[c]);
dmax = rtengine::max<double>(dmax, pre_mul_[c]);
}
for (c = 0; c < 4; c++) {
int sat = this->get_white(c) - cblack_[c];
pre_mul_[c] /= static_cast<float>(dmax);
scale_mul_[c] = pre_mul_[c] * 65535.f / sat;
}
if (settings->verbose) {
float asn[4] = { 1 / cam_mul[0], 1 / cam_mul[1], 1 / cam_mul[2], 1 / cam_mul[3] };
for (dmax = c = 0; c < 4; c++) {
if (cam_mul[c] == 0) {
asn[c] = 0;
}
if (asn[c] > static_cast<float>(dmax)) {
dmax = asn[c];
}
}
for (c = 0; c < 4; c++) {
asn[c] /= static_cast<float>(dmax);
}
printf("cam_mul:[%f %f %f %f], AsShotNeutral:[%f %f %f %f]\n",
static_cast<double>(cam_mul[0]), static_cast<double>(cam_mul[1]),
static_cast<double>(cam_mul[2]), static_cast<double>(cam_mul[3]),
static_cast<double>(asn[0]), static_cast<double>(asn[1]), static_cast<double>(asn[2]), static_cast<double>(asn[3]));
printf("pre_mul:[%f %f %f %f], scale_mul:[%f %f %f %f], cblack:[%f %f %f %f]\n",
static_cast<double>(pre_mul_[0]), static_cast<double>(pre_mul_[1]),
static_cast<double>(pre_mul_[2]), static_cast<double>(pre_mul_[3]),
static_cast<double>(scale_mul_[0]), static_cast<double>(scale_mul_[1]),
static_cast<double>(scale_mul_[2]), static_cast<double>(scale_mul_[3]),
static_cast<double>(cblack_[0]), static_cast<double>(cblack_[1]),
static_cast<double>(cblack_[2]), static_cast<double>(cblack_[3]));
printf("rgb_cam:[ [ %f %f %f], [%f %f %f], [%f %f %f] ]%s\n",
static_cast<double>(rgb_cam[0][0]), static_cast<double>(rgb_cam[1][0]), static_cast<double>(rgb_cam[2][0]),
static_cast<double>(rgb_cam[0][1]), static_cast<double>(rgb_cam[1][1]), static_cast<double>(rgb_cam[2][1]),
static_cast<double>(rgb_cam[0][2]), static_cast<double>(rgb_cam[1][2]), static_cast<double>(rgb_cam[2][2]),
(!this->isBayer()) ? " (not bayer)" : "");
}
}
int RawImage::loadRaw(bool loadData, unsigned int imageNum, bool closeFile, ProgressListener *plistener, double progressRange)
{
ifname = filename.c_str();
image = nullptr;
image_from_float.reset();
verbose = settings->verbose;
oprof = nullptr;
if (!ifp) {
ifp = gfopen(ifname); // Maps to either file map or direct fopen
} else {
fseek(ifp, 0, SEEK_SET);
}
if (!ifp) {
return 3;
}
imfile_set_plistener(ifp, plistener, 0.9 * progressRange);
thumb_length = 0;
thumb_offset = 0;
thumb_load_raw = nullptr;
use_camera_wb = 0;
highlight = 1;
half_size = 0;
raw_image = nullptr;
//***************** Read ALL raw file info
// set the number of the frame to extract. If the number is larger then number of existing frames - 1, dcraw will handle that correctly
shot_select = imageNum;
if (settings->enableLibRaw) {
libraw.reset(new LibRaw());
}
int libraw_error = [&]() -> int {
if (!settings->enableLibRaw) {
return LIBRAW_SUCCESS;
}
libraw->imgdata.params.use_camera_wb = 1;
libraw->imgdata.rawparams.shot_select = shot_select;
int err = libraw->open_buffer(ifp->data, ifp->size);
merged_pixelshift.is_merged_pixelshift =
err == LIBRAW_SUCCESS &&
(strncmp(libraw->unpack_function_name(), "sony_arq_load_raw", 17) == 0 &&
libraw->imgdata.idata.raw_count == 1 &&
libraw->imgdata.idata.colors == 4);
if (err == LIBRAW_REQUEST_FOR_NONEXISTENT_IMAGE || (merged_pixelshift.is_merged_pixelshift && shot_select)) {
// Try again last valid frame. Sony Pixel Shift, for example, has a
// single frame, but we want to represent the data as four.
shot_select = merged_pixelshift.is_merged_pixelshift ? shot_select / 4 : shot_select;
shot_select = std::min(shot_select, std::max(libraw->imgdata.idata.raw_count, 1u) - 1);
libraw->imgdata.rawparams.shot_select = shot_select;
err = libraw->open_buffer(ifp->data, ifp->size);
}
if (err == LIBRAW_FILE_UNSUPPORTED || err == LIBRAW_TOO_BIG) {
// fallback to the internal one
return err;
} else if (err != LIBRAW_SUCCESS && strncmp(libraw->imgdata.idata.software, "make_arq", 8) == 0) {
return err;
} else if (err == LIBRAW_FILE_UNSUPPORTED && (strncmp(libraw->unpack_function_name(), "sony_arq_load_raw", 17) == 0 || strncmp(libraw->imgdata.idata.software, "HDRMerge", 8) == 0)) {
return err;
} else if (err != LIBRAW_SUCCESS) {
decoder = Decoder::LIBRAW;
return err;
} else if (libraw->is_floating_point() && libraw->imgdata.idata.dng_version && libraw->imgdata.idata.filters) {
return err;
}
auto &d = libraw->imgdata.idata;
is_raw = d.raw_count;
strncpy(make, d.normalized_make, sizeof(make)-1);
make[sizeof(make)-1] = 0;
strncpy(model, d.normalized_model, sizeof(model)-1);
model[sizeof(model)-1] = 0;
RT_software = d.software;
dng_version = d.dng_version;
filters = d.filters;
is_foveon = d.is_foveon;
colors = d.colors;
tiff_bps = 0;
if (!strcmp("Hasselblad", make)) {
// For Hasselblad, "model" provides the better name.
strncpy(model, d.model, sizeof(model) - 1);
model[sizeof(model) - 1] = 0;
}
if (merged_pixelshift.is_merged_pixelshift ||
(strncmp(libraw->unpack_function_name(), "sony_arq_load_raw", 17) == 0 &&
is_raw == 1 && colors == 4)) {
// Represent merged pixelshift as 4 sub-frames.
merged_pixelshift.is_merged_pixelshift = true;
merged_pixelshift.sub_frame_shot_select = imageNum % 4;
filters = 0x94949494;
colors = 3;
is_raw = 4;
}
for (int i = 0; i < 6; ++i) {
for (int j = 0; j < 6; ++j) {
xtrans[i][j] = d.xtrans[i][j];
xtrans_abs[i][j] = d.xtrans_abs[i][j];
}
}
auto &s = libraw->imgdata.sizes;
raw_width = s.raw_width;
raw_height = s.raw_height;
width = s.width;
height = s.height;
top_margin = s.top_margin;
left_margin = s.left_margin;
iheight = s.iheight;
iwidth = s.iwidth;
flip = s.flip;
auto &o = libraw->imgdata.other;
iso_speed = o.iso_speed;
shutter = o.shutter;
aperture = o.aperture;
focal_len = o.focal_len;
timestamp = o.timestamp;
shot_order = o.shot_order;
auto &io = libraw->imgdata.rawdata.ioparams;
shrink = io.shrink;
zero_is_bad = io.zero_is_bad;
fuji_width = io.fuji_width;
raw_color = io.raw_color;
mix_green = io.mix_green;
auto &cd = libraw->imgdata.color;
black = cd.black;
maximum = cd.maximum;
tiff_bps = cd.raw_bps;
for (size_t i = 0; i < sizeof(cblack)/sizeof(unsigned); ++i) {
cblack[i] = cd.cblack[i];
}
// put the global black level where the rest of the code expects to find it
if (dng_version && isXtrans() && cblack[6] == 0 && black > 0) {
cblack[6] = black;
}
for (int i = 0; i < 4; ++i) {
cam_mul[i] = cd.cam_mul[i];
pre_mul[i] = cd.pre_mul[i];
}
if (merged_pixelshift.is_merged_pixelshift) {
pre_mul[3] = 0.f; // 4th value is undefined after reducing to 3 colors.
}
for (int i = 0; i < 3; ++i) {
for (int j = 0; j < 4; ++j) {
cmatrix[i][j] = cd.cmatrix[i][j];
rgb_cam[i][j] = cd.rgb_cam[i][j];
}
}
for (int i = 0; i < 8; ++i) {
for (int j = 0; j < 8; ++j) {
white[i][j] = cd.white[i][j];
}
}
for (int i = 0; i < 8; ++i) {
for (int j = 0; j < 4; ++j) {
mask[i][j] = s.mask[i][j];
}
}
auto &mkn = libraw->imgdata.makernotes;
// if (!strcmp(make, "Panasonic") && mkn.panasonic.BlackLevelDim > 0) {
// memset(cblack, 0, sizeof(cblack));
// if (mkn.panasonic.BlackLevelDim >= 4) {
// for (size_t i = 0; i < 4; ++i) {
// cblack[i] = mkn.panasonic.BlackLevel[i];
// }
// black = 0;
// } else {
// black = mkn.panasonic.BlackLevel[0];
// }
// } else
if (!strcmp(make, "Canon") && isBayer() && !dng_version) {
if (mkn.canon.AverageBlackLevel) {
memset(cblack, 0, sizeof(cblack));
for (size_t i = 0; i < 4; ++i) {
cblack[i] = mkn.canon.ChannelBlackLevel[i];
}
black = 0;
}
if (mkn.canon.SpecularWhiteLevel) {
maximum = mkn.canon.SpecularWhiteLevel;
} else if (mkn.canon.NormalWhiteLevel) {
maximum = mkn.canon.NormalWhiteLevel;
}
}
while (tiff_bps < 16 && (size_t(1) << size_t(tiff_bps)) < maximum) {
++tiff_bps;
}
if (dng_version) {
RT_whitelevel_from_constant = ThreeValBool::F;
RT_blacklevel_from_constant = ThreeValBool::F;
if (!isBayer() && !isXtrans()) {
RT_matrix_from_constant = ThreeValBool::F;
}
} else if (strcmp(make, "Panasonic") != 0) {
RT_whitelevel_from_constant = ThreeValBool::T;
RT_blacklevel_from_constant = ThreeValBool::T;
}
if (is_foveon) {
raw_width = width;
raw_height = height;
top_margin = 0;
left_margin = 0;
}
decoder = Decoder::LIBRAW;
return err;
}();
if (libraw_error && verbose) {
printf("LibRaw could not load image.");
if (decoder == Decoder::DCRAW) {
printf(" Falling back to dcraw.");
}
printf("\n");
}
if (decoder == Decoder::LIBRAW) {
if (libraw_error) {
return libraw_error;
}
} else {
if (libraw) {
libraw->recycle();
}
}
if (decoder == Decoder::DCRAW) {
identify();
}
// in case dcraw didn't handle the above mentioned case...
shot_select = std::min(shot_select, std::max(is_raw, 1u) - 1);
if (!is_raw) {
fclose(ifp);
ifp = nullptr;
if (plistener) {
plistener->setProgress(1.0 * progressRange);
}
return 2;
}
if (decoder == Decoder::DCRAW && !strcmp(make, "Fujifilm") && raw_height * raw_width * 2u != raw_size) {
if (raw_width * raw_height * 7u / 4u == raw_size) {
load_raw = &RawImage::fuji_14bit_load_raw;
} else {
parse_fuji_compressed_header();
}
}
if (flip == 5) {
this->rotate_deg = 270;
} else if (flip == 3) {
this->rotate_deg = 180;
} else if (flip == 6) {
this->rotate_deg = 90;
} else if (flip % 90 == 0 && flip < 360) {
this->rotate_deg = flip;
} else {
this->rotate_deg = 0;
}
if (loadData) {
use_camera_wb = 1;
shrink = 0;
if (settings->verbose) {
printf("Loading %s %s image from %s...\n", make, model, filename.c_str());
}
iheight = height;
iwidth = width;
if (decoder == Decoder::DCRAW) {
if (filters || colors == 1) {
raw_image = (ushort *) calloc ((static_cast<unsigned int>(raw_height) + 7u) * static_cast<unsigned int>(raw_width), 2);
merror(raw_image, "main()");
}
// dcraw needs this global variable to hold pixel data
image = (dcrawImage_t)calloc (static_cast<unsigned int>(height) * static_cast<unsigned int>(width) * sizeof * image + meta_length, 1);
if(!image) {
return 200;
}
meta_data = (char *) (image + static_cast<unsigned int>(height) * static_cast<unsigned int>(width));
/* Issue 2467
if (setjmp (failure)) {
if (image) { free (image); image=NULL; }
if (raw_image) { free(raw_image); raw_image=NULL; }
fclose(ifp); ifp=NULL;
return 100;
}
*/
// Load raw pixels data
fseek(ifp, data_offset, SEEK_SET);
(this->*load_raw)();
} else if (decoder == Decoder::LIBRAW) {
libraw->imgdata.rawparams.shot_select = shot_select;
libraw->imgdata.rawparams.options &= ~LIBRAW_RAWOPTIONS_CONVERTFLOAT_TO_INT;
int err = libraw->open_buffer(ifp->data, ifp->size);
if (err) {
return err;
}
{
#ifdef LIBRAW_USE_OPENMP
MyMutex::MyLock lock(*librawMutex);
#endif
err = libraw->unpack();
}
if (err) {
return err;
}
auto &rd = libraw->imgdata.rawdata;
raw_image = rd.raw_image;
if (rd.float_image) {
float_raw_image = new float[raw_width * raw_height];
for (int y = 0; y < raw_height; ++y) {
for (int x = 0; x < raw_width; ++x) {
size_t idx = y * raw_width + x;
float_raw_image[idx] = rd.float_image[idx];
}
}
} else if (rd.float3_image) {
const auto image_size = static_cast<unsigned int>(height) * static_cast<unsigned int>(width);
try {
image_from_float.reset(new std::remove_pointer<dcrawImage_t>::type[image_size]);
} catch (const std::bad_alloc &e) {
return 200;
}
std::fill(&image_from_float[0][0], &image_from_float[0][0] + image_size, 0);
float_raw_image = new float[3 * raw_width * raw_height];
for (int y = 0; y < raw_height; ++y) {
for (int x = 0; x < raw_width; ++x) {
const size_t idx = y * raw_width + x;
for (int c = 0; c < 3; ++c) {
float_raw_image[3 * idx + c] = rd.float3_image[idx][c];
}
}
}
} else {
#ifdef LIBRAW_USE_OPENMP
MyMutex::MyLock lock(*librawMutex);
#endif
float_raw_image = nullptr;
err = libraw->raw2image();
if (err) {
return err;
}
image = libraw->imgdata.image;
}
// get our custom camera matrices, but don't mess with black/white levels yet
// (if we have custom levels in json files, we will get them later)
auto bl = RT_blacklevel_from_constant;
auto wl = RT_whitelevel_from_constant;
RT_blacklevel_from_constant = ThreeValBool::F;
RT_whitelevel_from_constant = ThreeValBool::F;
adobe_coeff(make, model);
RT_blacklevel_from_constant = bl;
RT_whitelevel_from_constant = wl;
if (libraw->imgdata.color.profile_length) {
profile_length = libraw->imgdata.color.profile_length;
profile_data = new char[profile_length];
memcpy(profile_data, libraw->imgdata.color.profile, profile_length);
}
if (isBayer() && RT_blacklevel_from_constant == ThreeValBool::T && max(black, cblack[0], cblack[1], cblack[2], cblack[3]) == 0) {
auto &black_stat = libraw->imgdata.color.black_stat;
for (int i = 0; i < 4; ++i) {
cblack[i] = black_stat[i] / (1+black_stat[i+4]);
}
}
}
if (!float_raw_image) { // apply baseline exposure only for float DNGs
RT_baseline_exposure = 0;
}
if (plistener) {
plistener->setProgress(0.9 * progressRange);
}
CameraConstantsStore* ccs = CameraConstantsStore::getInstance();
const CameraConst *cc = ccs->get(make, model);
bool raw_crop_cc = false;
int orig_raw_width = width;
int orig_raw_height = height;
// For raw crop when using LibRaw.
int raw_top_margin = 0;
int raw_left_margin = 0;
bool adjust_margins = false;
if (raw_image) {
orig_raw_width = raw_width;
orig_raw_height = raw_height;
if (cc && cc->has_rawCrop(raw_width, raw_height)) {
raw_crop_cc = true;
int lm, tm, w, h;
cc->get_rawCrop(raw_width, raw_height, lm, tm, w, h);
if ((w < 0 || h < 0) && decoder != Decoder::DCRAW) {
raw_crop_cc = false;
} else {
// protect against DNG files that are already cropped
if (int(raw_width) <= w+lm) {
lm = max(int(raw_width) - w, 0);
}
if (int(raw_height) <= h+tm) {
tm = max(int(raw_height) - h, 0);
}
if (decoder == Decoder::DCRAW) {
if (isXtrans()) {
shiftXtransMatrix(6 - ((top_margin - tm) % 6), 6 - ((left_margin - lm) % 6));
} else {
if (((int)top_margin - tm) & 1) { // we have an odd border difference
filters = (filters << 4) | (filters >> 28); // left rotate filters by 4 bits
}
}
left_margin = lm;
top_margin = tm;
} else {
if (lm < left_margin) {
lm = left_margin;
}
if (tm < top_margin) {
tm = top_margin;
}
// make sure we do not rotate filters
if (isXtrans()) {
if ((tm - top_margin) % 6) {
tm = top_margin;
}
if ((lm - left_margin) % 6) {
lm = left_margin;
}
} else {
if ((tm - top_margin) & 1) {
tm = top_margin;
}
if ((lm - left_margin) & 1) {
lm = left_margin;
}
}
raw_left_margin = lm - left_margin;
raw_top_margin = tm - top_margin;
}
if (w < 0) {
iwidth += w;
iwidth -= left_margin;
width += w;
width -= left_margin;
} else if (w > 0) {
width = min((int)width, w);
if (decoder == Decoder::DCRAW) {
iwidth = width;
} else if (width > iwidth) {
width = iwidth;
}
}
if (h < 0) {
iheight += h;
iheight -= top_margin;
height += h;
height -= top_margin;
} else if (h > 0) {
height = min((int)height, h);
if (decoder == Decoder::DCRAW) {
iheight = height;
} else if (height > iheight) {
height = iheight;
}
}
}
}
if (cc && cc->has_rawMask(orig_raw_width, orig_raw_height, 0)) {
for (int i = 0; i < 2 && cc->has_rawMask(orig_raw_width, orig_raw_height, i); i++) {
cc->get_rawMask(orig_raw_width, orig_raw_height, i, mask[i][0], mask[i][1], mask[i][2], mask[i][3]);
}
}
if (decoder == Decoder::DCRAW) {
crop_masked_pixels();
free(raw_image);
}
raw_image = nullptr;
adjust_margins = !float_raw_image; //true;
} else {
if (decoder == Decoder::DCRAW && get_maker() == "Sigma" && cc && cc->has_rawCrop(width, height)) { // foveon images
raw_crop_cc = true;
int lm, tm, w, h;
cc->get_rawCrop(width, height, lm, tm, w, h);
left_margin = lm;
top_margin = tm;
if (w < 0) {
width += w;
width -= left_margin;
iwidth += w;