Fix rounding causing uneven scaling

Kdenlive BUG 497435
mltframework · Dec 26, 2024 · 8462890 · 8462890
1 parent e70901c
commit 8462890
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Showing 2 changed files with 5 additions and 5 deletions.
diff --git a/src/modules/qt/filter_qtblend.cpp b/src/modules/qt/filter_qtblend.cpp
@@ -103,10 +103,10 @@ static int filter_get_image(mlt_frame frame,
                    || rect.h != *height;
 
         if (mlt_properties_get_int(properties, "distort") == 0) {
-            b_height = qMax(1, qMin((int) rect.h, b_height));
-            b_width = qMax(1, int(b_height * b_dar / b_ar / consumer_ar));
+            b_height = qMax(1, qMin(qRound(rect.h), b_height));
+            b_width = qMax(1, qRound(b_height * b_dar / b_ar / consumer_ar));
         } else {
-            b_width = qMax(1, int(b_width * b_ar / consumer_ar));
+            b_width = qMax(1, qRound(b_width * b_ar / consumer_ar));
         }
         if (!hasAlpha && (b_width < *width || b_height < *height)) {
             hasAlpha = true;

diff --git a/src/modules/qt/transition_qtblend.cpp b/src/modules/qt/transition_qtblend.cpp
@@ -112,8 +112,8 @@ static int get_image(mlt_frame a_frame,
         transform.translate(rect.x, rect.y);
         opacity = rect.o;
         if (!distort) {
-            b_width = qMin((int) rect.w, b_width);
-            b_height = qMin((int) rect.h, b_height);
+            b_width = qMin(qRound(rect.w), b_width);
+            b_height = qMin(qRound(rect.h), b_height);
             transform.translate((rect.w - b_width) / 2.0, (rect.h - b_height) / 2.0);
         }
         if (opacity < 1 || rect.x != 0 || rect.y != 0 || (rect.x + rect.w != *width)