yay

facematcher.py

 
     matching = False
 
-    tacc = 0
-    then = time.time() * 1000
+    tacc = delay
+    then = 0
+    avg = 128
     while not matching:
         ret, frame = cap.read()
-        if cv2.mean(frame)[0] < 30:
+        mean = cv2.mean(frame)[0]
+        avg = (avg + mean) / 2
+        if mean < avg:
             continue
 
         # delay
 
         cv2.imshow(name, rgb_frame)
 
+    avg = 128
     while True:
         ret, frame = cap.read()
-        if cv2.mean(frame)[0] < 30:
+        mean = cv2.mean(frame)[0]
+        avg = (avg + mean) / 2
+        if mean < avg:
             continue
 
         cv2.imshow("frame", frame)
     "-s", "--show", default=False, action="store_true",
     help="show what the camera sees")
 sub_match.add_argument(
-    "-w", "--waitfor", type=str, default=None,
+    "-w", "--wait", type=str, default=None,
     help="wait for newline on stdin")
 sub_match.add_argument(
     "-t", "--delay", type=int, default=0,
 args = parser.parse_args()
 
 if args.command == "match":
-    print(args)
-    if args.waitfor is not None:
-        s = input("Waiting for '"+args.waitfor+"'...")
-        if s != args.waitfor:
-            print("Exiting because stdin was '"+s+"' and expected '"+args.waitfor+"'.")
-            exit(1)
-        else:
-            print("Got '"+s+"'.")
+    if args.wait:
+        input("Waiting for newline...")
+        print("Got newline.");
 
     match(args.faces, cv2.VideoCapture(args.device), args.show, args.delay)
 elif args.command == "record":

facewaiter.sh

-#!/bin/sh
-
-echo "hello am facewaiter $$"
+#!/bin/bash
 
 keyboard="AT Translated Set 2 keyboard"
 battery="/sys/class/power_supply/BAT0"
 device=2
 faces="faces"
 
-matchpid=
-cleanup() {
-	if [ -n "$matchpid" ]; then
-		kill "$matchpid"
-	fi
-	exit 1
-}
-trap cleanup SIGTERM
-
 if [ -n "$battery" ]; then
 	st="$(cat "$battery/status")"
 	if [ "$st" != "Discharging" ] && [ "$st" != "Unknown" ]; then
 
 rm -f .matchfifo
 mkfifo .matchfifo
-./facematcher.py match --delay 500 --device 2 --waitfor start $faces/$USER/* <.matchfifo &
+
+matcher() {
+	cat .matchfifo | ./facematcher.py match --delay 500 --device 2 --wait $faces/$USER/*
+}
+matcher &
 matchpid=$!
+trap "kill $matchpid" SIGINT SIGTERM
 
 read <.testfifo
-echo start > .matchfifo
+echo > .matchfifo
 
 kill $xpid
 wait