contrib: add the am7xxx-play-window.sh script

diff --git a/contrib/am7xxx-play-window.sh b/contrib/am7xxx-play-window.sh
new file mode 100755 (executable)
index 0000000..729a72e
--- /dev/null
+++ b/contrib/am7xxx-play-window.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# am7xxx-play-window - show only a given window with am7xxx-play
+#
+# Copyright (C) 2013  Antonio Ospite <ospite@studenti.unina.it>
+#
+# This program is free software. It comes without any warranty, to
+# the extent permitted by applicable law. You can redistribute it
+# and/or modify it under the terms of the Do What The Fuck You Want
+# To Public License, Version 2, as published by Sam Hocevar. See
+# http://sam.zoy.org/wtfpl/COPYING for more details.
+
+set -e
+
+DISPLAY=":0"
+ 
+WIN_INFO="$(xwininfo)"
+ 
+X=$(echo "$WIN_INFO" | sed -n -e "/^[[:space:]]*Absolute upper-left X:[[:space:]]*/s///p")
+Y=$(echo "$WIN_INFO" | sed -n -e "/^[[:space:]]*Absolute upper-left Y:[[:space:]]*/s///p")
+WIDTH=$(echo "$WIN_INFO" | sed -n -e "/^[[:space:]]*Width:[[:space:]]*/s///p")
+HEIGHT=$(echo "$WIN_INFO" | sed -n -e "/^[[:space:]]*Height:[[:space:]]*/s///p")
+ 
+set -x
+am7xxx-play -f x11grab -i "${DISPLAY}+${X},${Y}" -o video_size="${WIDTH}x${HEIGHT}"