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Small ~10% speedup for histogram matching on fast decoding raw files

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This commit is contained in:
heckflosse
2018-02-01 15:32:57 +01:00
parent 6567380f7d
commit 7848915e58
3 changed files with 19 additions and 10 deletions
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21
rtengine/rtthumbnail.cc
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@@ -56,7 +56,7 @@ bool checkRawImageThumb (const rtengine::RawImage& raw_image)
}
void scale_colors (rtengine::RawImage *ri, float scale_mul[4], float cblack[4])
void scale_colors (rtengine::RawImage *ri, float scale_mul[4], float cblack[4], bool multiThread)
{
DCraw::dcrawImage_t image = ri->get_image();
@@ -64,6 +64,9 @@ void scale_colors (rtengine::RawImage *ri, float scale_mul[4], float cblack[4])
const int height = ri->get_iheight();
const int width = ri->get_iwidth();
#ifdef _OPENMP
#pragma omp parallel for if(multiThread)
#endif
for (int row = 0; row < height; ++row) {
unsigned c0 = ri->FC (row, 0);
unsigned c1 = ri->FC (row, 1);
@@ -90,9 +93,12 @@ void scale_colors (rtengine::RawImage *ri, float scale_mul[4], float cblack[4])
} else if (ri->isXtrans()) {
const int height = ri->get_iheight();
const int width = ri->get_iwidth();
unsigned c[6];
#ifdef _OPENMP
#pragma omp parallel for if(multiThread)
#endif
for (int row = 0; row < height; ++row) {
unsigned c[6];
for (int i = 0; i < 6; ++i) {
c[i] = ri->XTRANSFC (row, i);
}
@@ -120,6 +126,9 @@ void scale_colors (rtengine::RawImage *ri, float scale_mul[4], float cblack[4])
} else {
const int size = ri->get_iheight() * ri->get_iwidth();
#ifdef _OPENMP
#pragma omp parallel for if(multiThread)
#endif
for (int i = 0; i < size; ++i) {
for (int j = 0; j < 4; ++j) {
float val = image[i][j];
@@ -386,7 +395,7 @@ RawMetaDataLocation Thumbnail::loadMetaDataFromRaw (const Glib::ustring& fname)
return rml;
}
Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocation& rml, eSensorType &sensorType, int &w, int &h, int fixwh, double wbEq, bool rotate)
Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocation& rml, eSensorType &sensorType, int &w, int &h, int fixwh, double wbEq, bool rotate, bool multiThread)
{
RawImage *ri = new RawImage (fname);
unsigned int tempImageNum = 0;
@@ -421,7 +430,7 @@ Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocati
//ri->scale_colors();
float pre_mul[4], scale_mul[4], cblack[4];
ri->get_colorsCoeff (pre_mul, scale_mul, cblack, false);
scale_colors (ri, scale_mul, cblack);
scale_colors (ri, scale_mul, cblack, multiThread);
ri->pre_interpolate();
@@ -921,7 +930,7 @@ IImage8* Thumbnail::quickProcessImage (const procparams::ProcParams& params, int
}
// Full thumbnail processing, second stage if complete profile exists
IImage8* Thumbnail::processImage (const procparams::ProcParams& params, eSensorType sensorType, int rheight, TypeInterpolation interp, const FramesMetaData *metadata, double& myscale, bool forMonitor)
IImage8* Thumbnail::processImage (const procparams::ProcParams& params, eSensorType sensorType, int rheight, TypeInterpolation interp, const FramesMetaData *metadata, double& myscale, bool forMonitor, bool multiThread)
{
unsigned int imgNum = 0;
if (isRaw) {
@@ -1053,7 +1062,7 @@ IImage8* Thumbnail::processImage (const procparams::ProcParams& params, eSensorT
int fh = baseImg->getHeight();
//ColorTemp::CAT02 (baseImg, &params) ;//perhaps not good!
ImProcFunctions ipf (&params, false);
ImProcFunctions ipf (&params, multiThread);
ipf.setScale (sqrt (double (fw * fw + fh * fh)) / sqrt (double (thumbImg->getWidth() * thumbImg->getWidth() + thumbImg->getHeight() * thumbImg->getHeight()))*scale);
ipf.updateColorProfiles (ICCStore::getInstance()->getDefaultMonitorProfileName(), options.rtSettings.monitorIntent, false, false);