X-Git-Url: https://git.cinelerra-gg.org/git/?p=goodguy%2Fcinelerra.git;a=blobdiff_plain;f=cinelerra-5.1%2Fplugins%2Fboxblur%2Fboxblur.C;fp=cinelerra-5.1%2Fplugins%2Fboxblur%2Fboxblur.C;h=7c8fb1e96f5fc531c761d0699764c545bc5754e2;hp=9c5d5bcf3cdd78f9e97b1e3dc6083d061ffd8da8;hb=fbdd13b462256ed4f3b35dc114385fe0b0de0dcd;hpb=bcacb156eab87e9e9f7b338eb8e0e699a8fd5d89

diff --git a/cinelerra-5.1/plugins/boxblur/boxblur.C b/cinelerra-5.1/plugins/boxblur/boxblur.C
index 9c5d5bcf..7c8fb1e9 100644
--- a/cinelerra-5.1/plugins/boxblur/boxblur.C
+++ b/cinelerra-5.1/plugins/boxblur/boxblur.C
@@ -291,12 +291,12 @@ void BoxBlurConfig::interpolate(BoxBlurConfig &prev, BoxBlurConfig &next,
 	double v = 1. - u;
 	this->horz_radius = u*prev.horz_radius + v*next.horz_radius;
 	this->vert_radius = u*prev.vert_radius + v*next.vert_radius;
-	this->power = u*prev.power + v*next.power;
+	this->power = u*prev.power + v*next.power + 1e-6; // avoid truncation jitter
 	this->drag = prev.drag;
 	this->box_x = u*prev.box_x + v*next.box_x;
 	this->box_y = u*prev.box_y + v*next.box_y;
-	this->box_w = u*prev.box_w + v*next.box_w;
-	this->box_h = u*prev.box_h + v*next.box_h;
+	this->box_w = u*prev.box_w + v*next.box_w + 1e-6;
+	this->box_h = u*prev.box_h + v*next.box_h + 1e-6;
 }