Implement video killing feature

soundboard.py

@@ -11,6 +11,8 @@ app = Flask(__name__)
 app.jinja_env.trim_blocks = True
 app.jinja_env.lstrip_blocks = True
 
+processlist = []
+
 @app.route("/")
 @app.route("/play/<sound>")
 @app.route("/say/", methods=["POST"])
@@ -39,7 +41,17 @@ def index(sound=None, text=None, video=None):
 
     if video is not None:
         url = subprocess.check_output(["youtube-dl", "-g", "-f", "mp4", video]).decode()
-        subprocess.Popen(["omxplayer", url.split("\n")[1]])
-        subprocess.Popen(["omxplayer", "-b", url.split("\n")[0]])
+        audioproc = subprocess.Popen(["omxplayer", url.split("\n")[1]])
+        videoproc = subprocess.Popen(["omxplayer", "-b", url.split("\n")[0]])
+
+        processlist.append(audioproc)
+        processlist.append(videoproc)
+
+    killvideo = request.args.get("killvideo")
+
+    if killvideo is not None and killvideo in ["1", "true", "yes"]:
+        for process in processlist:
+            process.terminate()
+            processlist.remove(process)
 
     return render_template("index.html", sounds=sounds)

static/main.css

@@ -20,6 +20,7 @@ h1 {
 }
 
 form {
+	padding: 5px;
 	text-align: center;
 }
 

templates/index.html

@@ -25,6 +25,10 @@
 					<input type="text" name="video" />
 					<input type="submit" value="Play" />
 				</form>
+				<form action="/" method="GET">
+					<input type="hidden" name="killvideo" value="yes" />
+					<input type="submit" name="submit" value="Terminate videos" />
+				</form>
 			</section>
 			<section id="voice">
 				<form action="/say/" method="POST">