From dd9be531409741d4867dfcb2d16d457d774a4066 Mon Sep 17 00:00:00 2001
From: Roy Olav Purser <admin@royolav.net>
Date: Thu, 20 May 2021 18:33:51 +0200
Subject: [PATCH] create stream url in js

---
 backend/stream.py  | 18 ++++++------------
 frontend/script.js | 31 ++++++++++++-------------------
 2 files changed, 18 insertions(+), 31 deletions(-)

diff --git a/backend/stream.py b/backend/stream.py
index 9f680df..e6fae55 100755
--- a/backend/stream.py
+++ b/backend/stream.py
@@ -220,9 +220,7 @@ if icecast_server is not None and stream_server is not None:
         logger.info(e)
 
 template_html = None
-template_js = None
-template_embed = tornado.template.Template('<iframe src="{{ origin }}?provider={{ provider }}&render=true" width="{{ width }}" height="{{ height }}" allow="fullscreen"></iframe>')
-
+script_file = None
 videojs_version = None
 font_awesome_version = None
 custom_style = None
@@ -230,7 +228,9 @@ try:
     with open("/app/index.html", "r") as f:
         template_html = tornado.template.Template(f.read().strip())
     with open("/app/script.js", "r") as f:
-        template_js = tornado.template.Template(f.read().strip())
+        script_raw = bytes(f.read().strip(), "utf-8")
+        b64 = str(base64.b64encode(script_raw), "ascii")
+        script_file = f'data:text/javascript;charset=utf-8;base64,{b64}'
     with open("/app/version/video.js.txt", "r") as f:
         videojs_version = f.read().strip()
     with open("/app/version/chromecast.txt", "r") as f:
@@ -311,7 +311,7 @@ class MainHandler(tornado.web.RequestHandler):
             self.write("Stream not found. (provider missing)")
     
     async def handle_render(self, handler):
-        if template_js is not None and template_html is not None:
+        if script_file is not None and template_html is not None:
             meta = await handler.meta()
             title = handler.render_url
             video_creator = None
@@ -329,17 +329,11 @@ class MainHandler(tornado.web.RequestHandler):
                 title = video_creator
             elif isinstance(video_title, str):
                 title = video_title
-
-            rendered_js = template_js.generate(stream=handler.stream_url, title=title);
-            b64_js = str(base64.b64encode(rendered_js), "ascii")
-            script = f'data:text/javascript;charset=utf-8;base64,{b64_js}'
-            data["script"] = script
+            data["script"] = script_file
             data["videojs_version"] = videojs_version
             data["chromecast_version"] = chromecast_version
             data["font_awesome_version"] = font_awesome_version
             data["custom_style"] = custom_style
-            data["stream_url"] = handler.stream_url
-            data["render_url"] = handler.render_url
             rendered_html = template_html.generate(data=data, meta=meta)
             self.write(rendered_html)
         else:
diff --git a/frontend/script.js b/frontend/script.js
index 0a379a3..4f8fa77 100644
--- a/frontend/script.js
+++ b/frontend/script.js
@@ -1,15 +1,14 @@
 (() => {
-    const setRemotePlayer = () => {
-        class NewRemotePlayer extends cast.framework.RemotePlayer {
-            constructor() {
-                super();
-                this.canControlVolume = false;
-            }
-        }
-        cast.framework.RemotePlayer = NewRemotePlayer;
+    const findUpstream = () => {
+        const search = new URLSearchParams(location.search);
+        search.set("render", "false");
+        const url = new URL(location.origin);
+        url.pathname = location.pathname;
+        url.search = search.toString();
+        return url.href;
     }
 
-    const upstream = "{{ stream }}";
+    const upstream = findUpstream();
     const xhr = new XMLHttpRequest();
     xhr.open("HEAD", upstream, true);
     xhr.send();
@@ -21,11 +20,6 @@
         }
     }
 
-    const handleLoaded = () => {
-        setRemotePlayer();
-        handleCount();
-    }
-
     const handle = () => {
         const [body] = document.getElementsByTagName("body");
         const video = document.createElement("video");
@@ -41,10 +35,6 @@
         options.techOrder = ["chromecast", "html5"];
         options.plugins = {};
         options.plugins.chromecast = {};
-        options.plugins.chromecast.requestTitleFn = (src) => {
-            return "{% raw title %}";
-        }
-
         const player = videojs(video, options);
         const source = {};
         source.type = ctype;
@@ -66,7 +56,10 @@
         player.one("play", () => {
             player.removeChild(button);
         });
+        player.on("chromecastConnected", () => {
+            player.volume(0.1);
+        });
     }
-    document.addEventListener("DOMContentLoaded", handleLoaded);
+    document.addEventListener("DOMContentLoaded", handleCount);
     xhr.addEventListener("load", handleCount);
 })();