init

run.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# Tehcnically, this works. However, the static needs to scan from one side to the
+# other so you can see the difference in the two
+
+X=100
+Y=50
+FRAMES=10
+
+# Create the mask
+convert \
+	-background none -fill black \
+	-pointsize 24 -size ${X}x${Y} -gravity center \
+	label:TEST1 mask.png
+
+# create pictures of static
+mkdir -p back fore out
+for i in $(seq 1 $FRAMES); do
+	convert -size ${X}x${Y} canvas: +noise Random -monochrome back/${i}.png
+	# Generate image of static, then mask it out using the mask.png
+	convert -size ${X}x${Y} canvas: +noise Random -monochrome mask.png -compose CopyOpacity -composite fore/${i}.png
+done
+
+for i in $(seq 1 $FRAMES); do
+	# Layer the two images
+	convert back/$i.png fore/1.png -gravity center -background None -layers Flatten out/$i.png
+done
+
+
+# create gif
+# convert -delay 1 -loop 0 out/* out.gif
+
+# try video
+convert -size 1920x50 canvas: +noise Random -monochrome -alpha off background.png
+
+ffmpeg -y -framerate 30 -loop true -t 10 -i background.png -i mask.png -i background.png \
+	-filter_complex "
+		[0]crop=x=n:w=${X}:h=${Y}[bg];
+		[2]crop=x=iw-n:w=${X}:h=${Y}[fg];
+		[1]alphaextract[mask];
+		[fg][mask]alphamerge[top];
+		[bg][top]overlay=x=0:y=0"\
+	-c:v libx264 out.mp4
+