imagedata: properly set ISO speed in Exif

agriggio · agriggio · commit 46b5b5deab1f · 2026-01-13T19:23:55.000+01:00
diff --git a/rtengine/imagedata.cc b/rtengine/imagedata.cc
@@ -874,7 +874,7 @@ void FramesData::fillBasicTags(Exiv2::ExifData &exif) const
     if (!hasExif()) {
         return;
     }
-    set_exif(exif, "Exif.Photo.ISOSpeedRatings", getISOSpeed());
+    set_exif(exif, "Exif.Photo.ISOSpeedRatings", std::to_string(getISOSpeed()));
     set_exif(
         exif, "Exif.Photo.FNumber",
         Exiv2::URationalValue(Exiv2::URational(round(getFNumber() * 10), 10)));

Original file line number	Diff line number	Diff line change
`@@ -874,7 +874,7 @@ void FramesData::fillBasicTags(Exiv2::ExifData &exif) const`
`874`	`874`	`if (!hasExif()) {`
`875`	`875`	`return;`
`876`	`876`	`}`
`877`		`- set_exif(exif, "Exif.Photo.ISOSpeedRatings", getISOSpeed());`
	`877`	`+ set_exif(exif, "Exif.Photo.ISOSpeedRatings", std::to_string(getISOSpeed()));`
`878`	`878`	`set_exif(`
`879`	`879`	`exif, "Exif.Photo.FNumber",`
`880`	`880`	`Exiv2::URationalValue(Exiv2::URational(round(getFNumber() * 10), 10)));`