Fix ffmpeg redirects. Fix max resolution setting.

server/routes/remux.js

@@ -44,10 +44,12 @@ router.get('/', async (req, res) => {
         '-err_detect', 'ignore_err',
         // Limit max demux delay to prevent buffering issues with bad timestamps
         '-max_delay', '5000000',
+        '-http_persistent', '0',
         // Reconnect settings for network drops
         '-reconnect', '1',
         '-reconnect_streamed', '1',
-        '-reconnect_delay_max', '5',
+        '-reconnect_on_http_error', '4xx,5xx',
+        '-reconnect_delay_max', '10',
         // Prevent Range/HEAD requests that some providers reject with 405
         '-seekable', '0',
         '-i', url,