add webrtc port config so i can test it right lol

server/src/services/mediaMtxService/config.js

@@ -20,6 +20,7 @@ function normalizeAdditionalHosts(rawHosts) {
 
 function buildMediaMtxConfig({ config, serverPort, snapshotWriterPath }) {
   const media = config?.media || {};
+  const webrtcPort = media.webrtcPort ?? 8189;
   const configuredHosts = normalizeAdditionalHosts(media.additionalHosts);
   let publicHostname = '';
   try {
@@ -55,10 +56,10 @@ function buildMediaMtxConfig({ config, serverPort, snapshotWriterPath }) {
 
     webrtc: true,
     // WHEP and WHIP signaling is public only through the Node /video proxy.
-    // ICE transport on 8189 remains directly reachable by browsers.
+    // The configured ICE transport port remains directly reachable by browsers.
     webrtcAddress: '127.0.0.1:8889',
-    webrtcLocalUDPAddress: ':8189',
-    webrtcLocalTCPAddress: ':8189',
+    webrtcLocalUDPAddress: `:${webrtcPort}`,
+    webrtcLocalTCPAddress: `:${webrtcPort}`,
     webrtcAdditionalHosts: additionalHosts,
     webrtcICEServers2: [
       { url: 'stun:stun.l.google.com:19302' },

server/src/services/mediaMtxService/configuration.js

@@ -1,18 +1,24 @@
 // Media Transport Configuration
-// Purpose: Defines additional MediaMTX ICE hosts not already derived from the server's public URL.
+// Purpose: Defines the WebRTC media port and additional ICE hosts.
 // Scope: Contains configuration metadata only and never starts MediaMTX.
-const { strictObject, stringArray } = require('../../configuration/schemaHelpers');
+const { strictObject, stringArray, integer } = require('../../configuration/schemaHelpers');
 
 module.exports = {
   key: 'media',
   defaultValue: {
+    webrtcPort: 8189,
     additionalHosts: [],
   },
   schema: strictObject({
+    webrtcPort: integer({
+      title: 'WebRTC port',
+      description: 'UDP and TCP port for live media. Forward the same external port to this server; HTTPS signaling continues through the web UI.',
+      minimum: 1, maximum: 65535,
+    }),
     additionalHosts: stringArray({
       title: 'Additional ICE hosts',
       item: { description: 'Hostname or IP address MediaMTX advertises as a WebRTC ICE candidate.', examples: ['rover.example.com', 'media-server.local'], minLength: 1, maxLength: 255 },
       array: { description: 'Extra public or LAN hostnames and addresses browsers may use in addition to the hostname derived from the top-level public URL.', uniqueItems: true },
     }),
-  }, { title: 'Media', description: 'Adds optional WebRTC network candidates to the public hostname and local interfaces generated automatically for MediaMTX.', required: ['additionalHosts'] }),
+  }, { title: 'Media', description: 'Configures the WebRTC media port and additional network candidates.', required: ['webrtcPort', 'additionalHosts'] }),
 };