obv: create

bin/obv

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+idiff() {
+	ffmpeg -i ~/screen.png -pattern_type glob -i 'i*.png' -filter_complex '[1]boxblur=1[m];[0][m]blend=all_mode=grainextract' o%03d.png
+}
+
+tile() {
+	montage -background black -geometry 683x -tile 2x o*.png m.png
+}
+
+mkdir -p ~/.cache/obv
+cd ~/.cache/obv
+
+while inotifywait -e close_write ~/screen.png
+do
+	idiff
+	tile
+done