feat: add -seekable 0 to fix 405 errors and configurable User-Agent presets for stream requests

server/db.js

@@ -67,10 +67,30 @@ function getDefaultSettings() {
     forceRemux: false,
     autoTranscode: true,
     streamFormat: 'm3u8',
-    epgRefreshInterval: '24'
+    epgRefreshInterval: '24',
+    // User-Agent settings
+    userAgentPreset: 'chrome',    // chrome | vlc | tivimate | custom
+    userAgentCustom: '',          // Custom UA string when preset is 'custom'
+    // Probe cache settings  
+    probeCacheTTL: 300,           // 5 minutes for URL probe cache
+    seriesProbeCacheDays: 7       // 7 days for series episode probe cache
   };
 }
 
+// User-Agent presets
+const USER_AGENT_PRESETS = {
+  chrome: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36',
+  vlc: 'VLC/3.0.20 LibVLC/3.0.20',
+  tivimate: 'TiviMate/4.7.0',
+};
+
+function getUserAgent(settings) {
+  if (settings.userAgentPreset === 'custom' && settings.userAgentCustom) {
+    return settings.userAgentCustom;
+  }
+  return USER_AGENT_PRESETS[settings.userAgentPreset] || USER_AGENT_PRESETS.chrome;
+}
+
 // Write lock to prevent concurrent writes from corrupting db.json
 let writeQueue = Promise.resolve();
 const tmpPath = dbPath + '.tmp';
@@ -422,4 +442,4 @@ const users = {
   }
 };
 
-module.exports = { loadDb, saveDb, sources, hiddenItems, favorites, settings, users, getDefaultSettings };
+module.exports = { loadDb, saveDb, sources, hiddenItems, favorites, settings, users, getDefaultSettings, getUserAgent, USER_AGENT_PRESETS };

server/routes/remux.js

@@ -1,6 +1,7 @@
 const express = require('express');
 const router = express.Router();
 const { spawn } = require('child_process');
+const db = require('../db');
 
 /**
  * Remux stream (container conversion only)
@@ -12,21 +13,27 @@ const { spawn } = require('child_process');
  * 
  * Note: This does NOT fix Dolby/AC3 audio issues - use /api/transcode for that.
  */
-router.get('/', (req, res) => {
+router.get('/', async (req, res) => {
     const { url } = req.query;
     if (!url) {
         return res.status(400).json({ error: 'URL parameter is required' });
     }
 
     const ffmpegPath = req.app.locals.ffmpegPath || 'ffmpeg';
+
+    // Get User-Agent from settings
+    const settings = await db.settings.get();
+    const userAgent = db.getUserAgent(settings);
+
     console.log(`[Remux] Starting remux for: ${url}`);
+    console.log(`[Remux] Using User-Agent: ${settings.userAgentPreset}`);
 
     // FFmpeg arguments for pure remux (no encoding)
     // Very lightweight - just changes container from TS to fragmented MP4
     const args = [
         '-hide_banner',
         '-loglevel', 'warning',
-        '-user_agent', 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36',
+        '-user_agent', userAgent,
         // Low-latency startup: reduce probe/analyze time for faster first bytes
         '-probesize', '32768',
         '-analyzeduration', '500000', // 0.5 seconds - enough to detect audio
@@ -40,6 +47,8 @@ router.get('/', (req, res) => {
         '-reconnect', '1',
         '-reconnect_streamed', '1',
         '-reconnect_delay_max', '5',
+        // Prevent Range/HEAD requests that some providers reject with 405
+        '-seekable', '0',
         '-i', url,
         // STRICT MAPPING: Only map video and audio, ignore subtitles/data/attachments
         // This prevents remux failure when source container has incompatible subtitle tracks (e.g. MKV -> MP4)

server/routes/transcode.js

@@ -1,6 +1,7 @@
 const express = require('express');
 const router = express.Router();
 const { spawn } = require('child_process');
+const db = require('../db');
 
 /**
  * Transcode stream
@@ -9,14 +10,20 @@ const { spawn } = require('child_process');
  * Transcodes audio to AAC for browser compatibility while passing video through.
  * This fixes playback issues with Dolby/AC3/EAC3 audio that browsers can't decode.
  */
-router.get('/', (req, res) => {
+router.get('/', async (req, res) => {
     const { url } = req.query;
     if (!url) {
         return res.status(400).json({ error: 'URL parameter is required' });
     }
 
     const ffmpegPath = req.app.locals.ffmpegPath || 'ffmpeg';
+
+    // Get User-Agent from settings
+    const settings = await db.settings.get();
+    const userAgent = db.getUserAgent(settings);
+
     console.log(`[Transcode] Starting transcoding for: ${url}`);
+    console.log(`[Transcode] Using User-Agent: ${settings.userAgentPreset}`);
     console.log(`[Transcode] Using binary: ${ffmpegPath}`);
 
     // FFmpeg arguments for transcoding
@@ -25,7 +32,7 @@ router.get('/', (req, res) => {
     const args = [
         '-hide_banner',
         '-loglevel', 'warning',
-        '-user_agent', 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36',
+        '-user_agent', userAgent,
         // Faster startup - reduced probe/analyze for quicker first bytes
         '-probesize', '2000000', // 2MB (reduced from 5MB)
         '-analyzeduration', '3000000', // 3 seconds (reduced from 10s)
@@ -39,6 +46,8 @@ router.get('/', (req, res) => {
         '-reconnect', '1',
         '-reconnect_streamed', '1',
         '-reconnect_delay_max', '3',
+        // Prevent Range/HEAD requests that some providers reject with 405
+        '-seekable', '0',
         '-i', url,
         // Map only first video and audio stream (avoid subtitle streams causing issues)
         '-map', '0:v:0',