Prevent potential divide-by-zero errors in sdl_still consumer.

[melted] / demo / mlt_slideshow

diff --git a/demo/mlt_slideshow b/demo/mlt_slideshow
index db870b7..efe0d06 100644 (file)
--- a/demo/mlt_slideshow
+++ b/demo/mlt_slideshow
@@ -1,4 +1,4 @@
 inigo \
 Scotland/.all.jpg ttl=75 \
--filter luma:luma1.pgm luma.softness=0.1 \
+-filter luma:luma1.pgm luma.softness=0.1 luma.invert=0 \
 $*