upgrade to ffmpeg 4.2, rework mask for speedup

[goodguy/cinelerra.git] / cinelerra-5.1 / cinelerra / cwindowtool.C

diff --git a/cinelerra-5.1/cinelerra/cwindowtool.C b/cinelerra-5.1/cinelerra/cwindowtool.C
index 44daadd1a6a809e62ba2d082aa7d3d8e8a719382..371464e9d4753fbdc701071f027a72945852e9a1 100644 (file)
--- a/cinelerra-5.1/cinelerra/cwindowtool.C
+++ b/cinelerra-5.1/cinelerra/cwindowtool.C
@@ -2192,7 +2192,8 @@ int CWindowMaskFeatherSlider::handle_event()
 
 int CWindowMaskFeatherSlider::update(float v)
 {
-       while( max < v ) max *= 1.25;
+       float vv = fabsf(v);
+       while( max < vv ) max *= 1.25;
        return update(get_w(), v, -max-5, max+5);
 }
 int CWindowMaskFeatherSlider::update(int r, float v, float mn, float mx)