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

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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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4
rtengine/histmatching.cc
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@@ -227,7 +227,7 @@ void RawImageSource::getAutoMatchedToneCurve(std::vector<double> &outCurve)
eSensorType sensor_type;
double scale;
int w = fw / skip, h = fh / skip;
std::unique_ptr<Thumbnail> thumb(Thumbnail::loadFromRaw(getFileName(), rml, sensor_type, w, h, 1, false, false));
std::unique_ptr<Thumbnail> thumb(Thumbnail::loadFromRaw(getFileName(), rml, sensor_type, w, h, 1, false, false, true));
if (!thumb) {
if (settings->verbose) {
std::cout << "histogram matching: raw decoding failed, generating a neutral curve" << std::endl;
@@ -235,7 +235,7 @@ void RawImageSource::getAutoMatchedToneCurve(std::vector<double> &outCurve)
histMatchingCache = outCurve;
return;
}
target.reset(thumb->processImage(neutral, sensor_type, fh / skip, TI_Nearest, getMetaData(), scale, false));
target.reset(thumb->processImage(neutral, sensor_type, fh / skip, TI_Nearest, getMetaData(), scale, false, true));
int sw = source->getWidth(), sh = source->getHeight();
int tw = target->getWidth(), th = target->getHeight();