add poster image header

backend/stream.py

@@ -146,16 +146,12 @@ class UpstreamHandler():
         self.upstream_safe = None
         self.render = False
         self.stream = False
-        self.poster = False
     async def setup(self, handler):
         self.provider = handler.get_query_argument("provider", None)
         render_str = handler.get_query_argument("render", "false")
-        poster_str = handler.get_query_argument("poster", "false")
         if self.provider in providers.keys():
             if render_str.lower() == "true":
                 self.render = True
-            elif poster_str.lower() == "true":
-                self.poster = True
             else:
                 self.stream = True
 
@@ -237,9 +233,6 @@ class UpstreamHandler():
         except Exception as e:
             logger.info(e)
         return data
-    async def meta_list(self):
-        meta_data = await self.meta()
-        return list(meta_data.items())
 
 if icecast_server is not None and stream_server is not None:
     try:
@@ -348,8 +341,6 @@ class MainHandler(tornado.web.RequestHandler):
             await self.handle_render(handler)
         elif handler.stream:
             await self.handle_stream(handler, redir)
-        elif handler.poster:
-            await self.handle_poster(handler)
         else:
             logger.info(f'provider missing {self.request.uri}')
             self.set_status(404)
@@ -357,15 +348,10 @@ class MainHandler(tornado.web.RequestHandler):
     
     async def handle_render(self, handler):
         if script_file is not None and template_html is not None:
-            meta = await handler.meta_list()
+            meta = await handler.meta()
+            meta_list = list(meta.items())
             title = handler.render_url
-            video_title = None
-            for elem in meta:
-                if isinstance(elem[1], str):
-                    if elem[0] == "og:title":
-                        video_title = elem[1]
-                        break
-
+            video_title = meta.get("og:title")
             data["script"] = script_file
             data["videojs_version"] = videojs_version
             data["chromecast_version"] = chromecast_version
@@ -377,20 +363,16 @@ class MainHandler(tornado.web.RequestHandler):
             self.set_status(404)
             self.write("HTML template missing.")
 
-    async def handle_poster(self, handler):
+    async def handle_stream(self, handler, redir):
         meta = await handler.meta()
         image = meta.get("og:image")
         if isinstance(image, str):
-            if handler.provider == "youtube":
+            if handler.provider == "youtube" and image.endswith("hqdefault.jpg"):
                 image = image.removesuffix("hqdefault.jpg") + "maxresdefault.jpg"
-            url = await handler.proxy.proxy_url(image, None)
-            if isinstance(url, str):
-                self.redirect(url, status=303)
-                return
-        self.set_status(404)
-        self.write("Poster not found")
+            image = await handler.proxy.proxy_url(image, None)
+        if isinstance(image, str):
+            self.set_header("Custom-Poster", image)
 
-    async def handle_stream(self, handler, redir):
         upstream = None
         if handler.provider == "nextcloud":
             upstream = handler.upstream

frontend/script.js

@@ -2,26 +2,11 @@
     const findUpstreamVideo = () => {
         const search = new URLSearchParams(location.search);
         search.set("render", "false");
-        search.set("poster", "false");
         const url = new URL(location.origin);
         url.pathname = location.pathname;
         url.search = search.toString();
         return url.href;
     }
-    const findUpstreamPoster = () => {
-        const search = new URLSearchParams(location.search);
-        search.set("render", "false");
-        search.set("poster", "true");
-        const url = new URL(location.origin);
-        url.pathname = location.pathname;
-        url.search = search.toString();
-        return url.href;
-    }
-
-    const getProvider = () => {
-        const search = new URLSearchParams(location.search);
-        return search.get("provider");
-    }
 
     const upstream = findUpstreamVideo();
     const xhr = new XMLHttpRequest();
@@ -41,6 +26,7 @@
         video.className = "video-js vjs-big-play-centered";
         body.appendChild(video);
         const ctype = xhr.getResponseHeader("Content-Type");
+        const image = xhr.getResponseHeader("Custom-Poster");
         console.log(ctype);
         const options = {};
         options.controls = true;
@@ -52,8 +38,8 @@
         options.plugins.chromecast = {};
         options.plugins.chromecast.addButtonToControlBar = false;
         const player = videojs(video, options);
-        if(getProvider() !== "nextcloud") {
-            player.poster(findUpstreamPoster());
+        if((image instanceof String) || ((typeof image) == "string")) {
+            player.poster(image);
         }
         const source = {};
         source.type = ctype;