detect if chromecast is idle and shotdown beamer on space close

beamer IP address out of script

README.txt

@@ -9,6 +9,7 @@ P0:2345:respawn:/root/pidor/scripts/lockbutton.sh
 P1:2345:respawn:/root/pidor/scripts/beamerdetect.sh
 P2:2345:respawn:/root/pidor/scripts/ws4beamer_status.py
 P3:2345:respawn:/root/pidor/scripts/peoplecounter-realtime.sh
+P4:2345:respawn:/root/pidor/scripts/caststatus.py
 
 put the beamer IP into beamerip.txt
 put the peoplecounter ip into peoplecounterip.txt
@@ -20,4 +21,11 @@ fill in the crontab
 needs an apache, for some silly historic reason, and for the lights commander
 cd ~/pidor/www && ./intallwebsite.sh
 
+If you have a chromecast, script to switch off if chromecast is iddle:
+cd ~/pidor
+git clone git@github.com:balloob/pychromecast.git
+cd pychromecast
+sudo apt-get install python-dev python-pip
+sudo pip install --upgrade pip
+sudo pip install -r requirements.txt
 

scripts/beamerdetect.sh

@@ -27,8 +27,12 @@ then
   fi
   signalsource="$(wget -qO - 'http://'"$projip"'/tgi/return.tgi?query=info' |awk -F'[<>]' '/<info>/{print substr($3,33,2)}')"
   #if [ "$signalsource" = "00" ] || [ "$signalsource" = "15" ] || [ "$signalsource" = "" ]
-  if [ "$signalsource" = "00" ] || [ "$signalsource" = "02" ] || [ "$signalsource" = "" ]
-  then
+  if [ "$signalsource" = "00" ] ||
+     [ "$signalsource" = "02" ] ||
+     [ "$signalsource" = "" ] ||
+     ( [ "$signalsource" = "15" ] && 
+       [ "$(cat /var/run/caststatus)" = "Backdrop" ] )
+  then   # port 15 is hdmi1 (chromecast) 
     raisescreen
     echo "wget http://$projip/tgi/return.tgi?command=2a3102fd0660 #projector off"
     wget -qO - 'http://'"$projip"'/tgi/return.tgi?command=2a3102fd0660' 2>&1 

scripts/caststatus.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python2.7
+from __future__ import print_function
+import time,sys,os
+sys.path.append(os.path.dirname(__file__) + "/../pychromecast/")
+import pychromecast
+#mycastname=pychromecast.get_chromecasts_as_dict().keys()[0]
+mycastname="Level2 Chillcast DVI1"
+cast = pychromecast.get_chromecast(friendly_name=mycastname)
+cast.wait()
+print(cast.device.friendly_name)
+offlinetime=0
+while True:
+  caststatus=cast.status.display_name
+  print(caststatus)
+  text_file = open("/var/run/caststatus", "w")
+  text_file.write("%s" % caststatus)
+  text_file.close()
+  if(caststatus == "Backdrop"):
+    offlinetime+=1
+  else:
+    offlinetime=0
+  if(offlinetime>10):
+    #print("Chromecast not streaming, switching to slideshow")
+    offlinetime=0
+  time.sleep(10)
+cast.quit_app()

scripts/phone_notification.sh

@@ -1,8 +1,9 @@
 #!/bin/bash
 
-url=http://10.2.113.137
+url=http://$(cat $(dirname "$0")"/phoneip.txt")
 run_file="/var/run/phone_ringing_status"
-
+new_status=0
+old_status=0
 while true
 do
   sleep 1

scripts/ws4beamer_status.py

@@ -2,13 +2,17 @@
 import requests
 import flask
 import re
+import os
+
+with open( os.path.dirname(os.path.realpath(__file__)) + "/beamerip.txt", 'r') as f:
+    beamerip = f.readline()
 
 app = flask.Flask(__name__)
 
 @app.route("/")
 def status():
     try:
-      res = requests.get("http://10.2.113.7/tgi/return.tgi?query=info", timeout=1)
+      res = requests.get("http://"+beamerip+"/tgi/return.tgi?query=info", timeout=1)
       if "NG" in res.content:
         return "0"
       reg_res = re.findall(b"<info>([^<]*)</info>", res.content)

systemfiles/inittab

@@ -76,4 +76,4 @@ P0:2345:respawn:/root/pidor/scripts/lockbutton.sh
 P1:2345:respawn:/root/pidor/scripts/beamerdetect.sh
 P2:2345:respawn:/root/pidor/scripts/ws4beamer_status.py
 P3:2345:respawn:/root/pidor/scripts/peoplecounter-realtime.sh
-
+P4:2345:respawn:/root/pidor/scripts/caststatus.py