Fix division by zero in some cases.
diff --git a/Demo/sgi/video/video.py b/Demo/sgi/video/video.py
index d9872d5..da2d2c7 100755
--- a/Demo/sgi/video/video.py
+++ b/Demo/sgi/video/video.py
@@ -98,11 +98,12 @@
for y in range(maxy):
yv = float(y)/float(maxy-1)
for i in range(maxi):
- iv = (float(i)/float(maxi-1))-0.5
+ if maxi = 1: iv = 0
+ else: iv = (float(i)/float(maxi-1))-0.5
for q in range(maxq):
- qv = (float(q)/float(maxq-1))-0.5
+ if maxq = 1: qv = 0
+ else: qv = (float(q)/float(maxq-1))-0.5
index = 2048 + y + (i << ybits) + (q << (ybits+ibits))
-
rv,gv,bv = colorsys.yiq_to_rgb(yv,iv,qv)
r,g,b = int(rv*255.0), int(gv*255.0), int(bv*255.0)
if index < 4096 - 256: