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Merge pull request #962 from GoogleChromeLabs/butteraugli-fix

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This commit is contained in:
Surma
2021-02-22 18:07:33 +00:00
committed by GitHub
parent 934ab9065a a783de618d
commit 9d3401762e
3 changed files with 10 additions and 16 deletions
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14
codecs/visdif/visdif.cpp
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@@ -7,7 +7,7 @@ using namespace butteraugli;
// Turns an interleaved RGBA buffer into 4 planes for each color channel
void planarize(std::vector<ImageF>& img,
const char* rgba,
const uint8_t* rgba,
int width,
int height,
float gamma = 2.2) {
@@ -22,10 +22,10 @@ void planarize(std::vector<ImageF>& img,
float* const row_b = img[2].Row(y);
float* const row_a = img[3].Row(y);
for (int x = 0; x < width; x++) {
row_r[x] = 255.0 * pow(rgba[y * width * 4 + x * 4 + 0] / 255.0, gamma);
row_g[x] = 255.0 * pow(rgba[y * width * 4 + x * 4 + 1] / 255.0, gamma);
row_b[x] = 255.0 * pow(rgba[y * width * 4 + x * 4 + 2] / 255.0, gamma);
row_a[x] = 255.0 * pow(rgba[y * width * 4 + x * 4 + 3] / 255.0, gamma);
row_r[x] = 255.0 * pow(rgba[(y * width + x) * 4 + 0] / 255.0, gamma);
row_g[x] = 255.0 * pow(rgba[(y * width + x) * 4 + 1] / 255.0, gamma);
row_b[x] = 255.0 * pow(rgba[(y * width + x) * 4 + 2] / 255.0, gamma);
row_a[x] = 255.0 * pow(rgba[(y * width + x) * 4 + 3] / 255.0, gamma);
}
}
}
@@ -37,14 +37,14 @@ class VisDiff {
public:
VisDiff(std::string ref_img, int width, int height) {
planarize(this->ref_img, ref_img.c_str(), width, height);
planarize(this->ref_img, (uint8_t*)ref_img.c_str(), width, height);
this->width = width;
this->height = height;
}
double distance(std::string other_img) {
std::vector<ImageF> img;
planarize(img, other_img.c_str(), width, height);
planarize(img, (uint8_t*)other_img.c_str(), width, height);
ImageF diffmap;
double diffvalue;

12
codecs/visdif/visdif.js generated
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@@ -1,7 +1,7 @@
var visdif = (function() {
var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
var _scriptDir = import.meta.url;
return (
function(visdif) {
visdif = visdif || {};
@@ -71,10 +71,4 @@ f.run=Wb;if(f.preInit)for("function"==typeof f.preInit&&(f.preInit=[f.preInit]);
}
);
})();
if (typeof exports === 'object' && typeof module === 'object')
module.exports = visdif;
else if (typeof define === 'function' && define['amd'])
define([], function() { return visdif; });
else if (typeof exports === 'object')
exports["visdif"] = visdif;
export default visdif;

BIN
codecs/visdif/visdif.wasm Normal file → Executable file
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