Player: unseekable servers no longer restart the film

assets/translations/ar.json

@@ -408,6 +408,7 @@
     "subtitle_preview_text": "نصٌّ تجريبيٌّ لمعاينة شكل الترجمة",
     "server": "الخادم",
     "change_server": "تغيير الخادم",
+    "cannot_seek_server": "لا يمكن التقديم على هذا الخادم. شاهد من البداية أو اختر خادمًا آخر.",
     "stream_not_found": "يُخفي هذا المصدر بثّه خلف مشغّل محمي. جرّب مصدراً آخر، أو افتحه في متصفّحك.",
     "subtitle_translation": "ترجمة النصوص",
     "auto_translate": "الترجمة التلقائية",

assets/translations/ckb.json

@@ -422,6 +422,7 @@
     "subtitle_preview_text": "ڕێوییە قاوەییە خێراکە بەسەر سەگە تەمەڵەکەدا باز دەدات",
     "server": "سێرڤەر",
     "change_server": "گۆڕینی سێرڤەر",
+    "cannot_seek_server": "لەم سێرڤەرەدا ناتوانرێت بازبدرێت بۆ پێشەوە. لە سەرەتاوە سەیری بکە یان سێرڤەرێکی تر هەڵبژێرە.",
     "stream_not_found": "ئەم سەرچاوەیە پەخشەکەی لە پشت لێدەرێکی پارێزراو شاردۆتەوە. سەرچاوەیەکی تر تاقیبکەرەوە، یان لە وێبگەڕەکەتدا بیکەرەوە.",
     "subtitle_translation": "وەرگێڕانی ژێرنووس",
     "auto_translate": "وەرگێڕانی خۆکار",

assets/translations/de.json

@@ -408,6 +408,7 @@
     "subtitle_preview_text": "Franz jagt im komplett verwahrlosten Taxi quer durch Bayern",
     "server": "Server",
     "change_server": "Server wechseln",
+    "cannot_seek_server": "Auf diesem Server kann man nicht vorspulen. Schau von Anfang an oder wähle einen anderen Server.",
     "stream_not_found": "Diese Quelle versteckt ihren Stream hinter einem geschützten Player. Probiere eine andere Quelle oder öffne sie im Browser.",
     "subtitle_translation": "Untertitelübersetzung",
     "auto_translate": "Automatisch übersetzen",

assets/translations/en.json

@@ -422,6 +422,7 @@
     "subtitle_preview_text": "The quick brown fox jumps over the lazy dog",
     "server": "Server",
     "change_server": "Change server",
+    "cannot_seek_server": "This server can't skip ahead. Play from the start, or pick another server.",
     "stream_not_found": "This source hides its stream behind a protected player. Try another source, or open it in your browser.",
     "subtitle_translation": "Subtitle translation",
     "auto_translate": "Auto-translate",

assets/translations/es.json

@@ -408,6 +408,7 @@
     "subtitle_preview_text": "El veloz murciélago hindú comía feliz cardillo y kiwi",
     "server": "Servidor",
     "change_server": "Cambiar servidor",
+    "cannot_seek_server": "Este servidor no permite adelantar. Míralo desde el principio o elige otro servidor.",
     "stream_not_found": "Esta fuente esconde su flujo detrás de un reproductor protegido. Prueba otra fuente o ábrela en el navegador.",
     "subtitle_translation": "Traducción de subtítulos",
     "auto_translate": "Traducir automáticamente",

assets/translations/fr.json

@@ -408,6 +408,7 @@
     "subtitle_preview_text": "Portez ce vieux whisky au juge blond qui fume",
     "server": "Serveur",
     "change_server": "Changer de serveur",
+    "cannot_seek_server": "Ce serveur ne permet pas d'avancer. Regardez depuis le début ou choisissez un autre serveur.",
     "stream_not_found": "Cette source cache son flux derrière un lecteur protégé. Essaie une autre source, ou ouvre-la dans ton navigateur.",
     "subtitle_translation": "Traduction des sous-titres",
     "auto_translate": "Traduction automatique",

assets/translations/hi.json

@@ -422,6 +422,7 @@
     "subtitle_preview_text": "The quick brown fox jumps over the lazy dog",
     "server": "सर्वर",
     "change_server": "सर्वर बदलें",
+    "cannot_seek_server": "इस सर्वर पर आगे नहीं बढ़ा सकते। शुरू से देखें या कोई दूसरा सर्वर चुनें।",
     "stream_not_found": "यह सोर्स अपनी स्ट्रीम को एक सुरक्षित प्लेयर के पीछे छिपाता है। कोई दूसरा सोर्स आज़माएँ या इसे अपने ब्राउज़र में खोलें।",
     "subtitle_translation": "सबटाइटल अनुवाद",
     "auto_translate": "ऑटो-अनुवाद",

assets/translations/id.json

@@ -408,6 +408,7 @@
     "subtitle_preview_text": "Muharjo seorang xenofobia universal yang takut pada kelinci",
     "server": "Server",
     "change_server": "Ganti server",
+    "cannot_seek_server": "Server ini tidak bisa dipercepat. Tonton dari awal atau pilih server lain.",
     "stream_not_found": "Sumber ini menyembunyikan alirannya di balik pemutar terlindungi. Coba sumber lain, atau buka di peramban.",
     "subtitle_translation": "Terjemahan subtitle",
     "auto_translate": "Terjemahkan otomatis",

assets/translations/ku.json

@@ -422,6 +422,7 @@
     "subtitle_preview_text": "Rovîyê qehweyî yê bilez di ser kûçikê tembel re diqevze",
     "server": "Server",
     "change_server": "Serverê biguherîne",
+    "cannot_seek_server": "Li ser vê serverê nikare were pêşve birin. Ji destpêkê temaşe bike an serverek din hilbijêre.",
     "stream_not_found": "Ev çavkanî weşana xwe li pişt lêdarekî parastî vedişêre. Çavkaniyeke din biceribîne, an wê di gerokê de veke.",
     "subtitle_translation": "Wergera binnivîsê",
     "auto_translate": "Wergera otomatîk",

assets/translations/nl.json

@@ -408,6 +408,7 @@
     "subtitle_preview_text": "Pa's wijze lynx bezag vroom het fikse aquaduct",
     "server": "Server",
     "change_server": "Server wisselen",
+    "cannot_seek_server": "Op deze server kun je niet vooruitspoelen. Kijk vanaf het begin of kies een andere server.",
     "stream_not_found": "Deze bron verstopt zijn stream achter een beveiligde speler. Probeer een andere bron of open hem in je browser.",
     "subtitle_translation": "Ondertitelvertaling",
     "auto_translate": "Automatisch vertalen",

assets/translations/pt.json

@@ -408,6 +408,7 @@
     "subtitle_preview_text": "Um pequeno jabuti xereta viu dez cegonhas felizes",
     "server": "Servidor",
     "change_server": "Trocar de servidor",
+    "cannot_seek_server": "Este servidor não permite avançar. Assista desde o início ou escolha outro servidor.",
     "stream_not_found": "Esta fonte esconde o stream atrás de um player protegido. Tente outra fonte ou abra no navegador.",
     "subtitle_translation": "Tradução de legendas",
     "auto_translate": "Traduzir automaticamente",

assets/translations/ru.json

@@ -408,6 +408,7 @@
     "subtitle_preview_text": "Съешь ещё этих мягких французских булок",
     "server": "Сервер",
     "change_server": "Сменить сервер",
+    "cannot_seek_server": "На этом сервере нельзя перематывать. Смотрите с начала или выберите другой сервер.",
     "stream_not_found": "Этот источник прячет поток за защищённым плеером. Выберите другой источник или откройте в браузере.",
     "subtitle_translation": "Перевод субтитров",
     "auto_translate": "Автоперевод",

assets/translations/tr.json

@@ -408,6 +408,7 @@
     "subtitle_preview_text": "Pijamalı hasta yağız şoföre çabucak güvendi",
     "server": "Sunucu",
     "change_server": "Sunucuyu değiştir",
+    "cannot_seek_server": "Bu sunucuda ileri sarılamıyor. Baştan izleyin veya başka bir sunucu seçin.",
     "stream_not_found": "Bu kaynak akışını korumalı bir oynatıcının arkasına saklıyor. Başka bir kaynak dene ya da tarayıcında aç.",
     "subtitle_translation": "Altyazı çevirisi",
     "auto_translate": "Otomatik çevir",

assets/translations/uz.json

@@ -408,6 +408,7 @@
     "subtitle_preview_text": "Tez qo’ng’ir tulki yalqov itning ustidan sakraydi",
     "server": "Server",
     "change_server": "Serverni almashtirish",
+    "cannot_seek_server": "Bu serverda oldinga o'tkazib bo'lmaydi. Boshidan ko'ring yoki boshqa server tanlang.",
     "stream_not_found": "Bu manba oqimini himoyalangan pleyer ortida yashiradi. Boshqa manbani tanlang yoki brauzerda oching.",
     "subtitle_translation": "Subtitr tarjimasi",
     "auto_translate": "Avtomatik tarjima",

assets/translations/vi.json

@@ -422,6 +422,7 @@
     "subtitle_preview_text": "Con cáo nâu nhanh nhẹn nhảy qua chú chó lười",
     "server": "Máy chủ",
     "change_server": "Đổi máy chủ",
+    "cannot_seek_server": "Máy chủ này không tua được. Hãy xem từ đầu hoặc chọn máy chủ khác.",
     "stream_not_found": "Nguồn này giấu luồng phát sau một trình phát được bảo vệ. Hãy thử nguồn khác hoặc mở trong trình duyệt.",
     "subtitle_translation": "Dịch phụ đề",
     "auto_translate": "Tự động dịch",

assets/translations/yue.json

@@ -422,6 +422,7 @@
     "subtitle_preview_text": "敏捷嘅棕色狐狸跳過隻懶狗",
     "server": "伺服器",
     "change_server": "更換伺服器",
+    "cannot_seek_server": "呢個伺服器唔可以快轉。請由頭睇，或者揀另一個伺服器。",
     "stream_not_found": "呢個來源將串流收埋喺受保護嘅播放器後面。試下另一個來源，或者喺瀏覽器度開。",
     "subtitle_translation": "字幕翻譯",
     "auto_translate": "自動翻譯",

lib/core/player/media_controller.dart

@@ -223,6 +223,10 @@ abstract class PlayerController extends ValueNotifier<vp.VideoPlayerValue> {
   /// subtitle style, the same way it draws a downloaded subtitle file.
   ValueListenable<String> get embeddedSubtitleText => _noEmbeddedText;
 
+  /// Turns true when the server refused a jump: the stream plays, but only
+  /// from where it is. mpv only; it never fires on the platform player.
+  ValueListenable<bool> get seekRefused => _neverRefused;
+
   /// Whether this backend can adjust the picture while playing.
   ///
   /// libmpv only. The platform player exposes no runtime video equalizer at
@@ -438,6 +442,7 @@ class PlayerAudioTrack {
 }
 
 final ValueNotifier<String> _noEmbeddedText = ValueNotifier<String>('');
+final ValueNotifier<bool> _neverRefused = ValueNotifier<bool>(false);
 
 /// One subtitle track inside the stream.
 class PlayerSubtitleTrack extends PlayerAudioTrack {
@@ -696,6 +701,7 @@ class _MediaKitController extends PlayerController {
   List<PlayerSubtitleTrack> _subtitleTracks = const <PlayerSubtitleTrack>[];
   String? _activeSubtitleTrackId;
   final ValueNotifier<String> _embeddedText = ValueNotifier<String>('');
+  final ValueNotifier<bool> _seekRefused = ValueNotifier<bool>(false);
   String? _activeVideoTrackId;
   final List<StreamSubscription<dynamic>> _subs =
       <StreamSubscription<dynamic>>[];
@@ -1127,6 +1133,13 @@ class _MediaKitController extends PlayerController {
       )
       ..add(
         _player.stream.error.listen((e) {
+          // Reported as an error, it reopened the url at 0:00 — "skip 30 s
+          // starts it from the start" on UHD Movies' Google links, which
+          // ignore byte ranges. The film itself plays on.
+          if (isSeekRefusal(e)) {
+            _seekRefused.value = true;
+            return;
+          }
           // A live stream has no length and no cache to ride out a stall
           // on: once it plays, a dropped connection is reported at once so
           // the page reconnects instead of showing a frozen picture.
@@ -1494,6 +1507,10 @@ class _MediaKitController extends PlayerController {
   ValueListenable<String> get embeddedSubtitleText =>
       _fallback != null ? _noEmbeddedText : _embeddedText;
 
+  @override
+  ValueListenable<bool> get seekRefused =>
+      _fallback != null ? _neverRefused : _seekRefused;
+
   @override
   Future<void> setSubtitleTrack(String id) async {
     if (_fallback != null) return;
@@ -1556,6 +1573,7 @@ class _MediaKitController extends PlayerController {
 
   Future<void> _disposeOnce() async {
     if (!_closed.isCompleted) _closed.complete();
+    _seekRefused.dispose();
     await _teardownMpv();
     await _backendSwitches.close();
     await _fallback?.dispose();

lib/core/player/playback_readiness.dart

@@ -242,3 +242,12 @@ bool isDecodeGlitch(String error) {
   final l = error.toLowerCase();
   return l.startsWith('error decoding') || l.contains('error while decoding');
 }
+
+/// mpv's notice that the server ignores byte ranges: "Cannot seek in this
+/// stream." and its "--force-seekable=yes" hint. The file keeps playing; only a
+/// jump is refused, so it is not a playback error.
+bool isSeekRefusal(String error) {
+  final l = error.toLowerCase();
+  return l.contains('cannot seek in this stream') ||
+      l.contains('force-seekable');
+}

lib/features/detail/presentation/pages/player_page.dart

@@ -1066,6 +1066,7 @@ class _PlayerPageState extends State<PlayerPage>
     final c = _controller;
     if (c != null) {
       c.removeListener(_onMajorChange);
+      c.seekRefused.removeListener(_onSeekRefused);
       try {
         c.pause();
       } catch (_) {}

lib/features/detail/presentation/pages/player_page.media.dart

@@ -1689,6 +1689,7 @@ extension _PlayerMedia on _PlayerPageState {
       // Preview decoding starts only when the viewer scrubs. Eager warming
       // opens a second video decoder while a high-resolution stream starts.
       controller.addListener(_onMajorChange);
+      controller.seekRefused.addListener(_onSeekRefused);
       await controller.setLooping(false);
       if (!mounted || generation != _mediaGeneration) return;
       if (party != null) {
@@ -2687,6 +2688,7 @@ extension _PlayerMedia on _PlayerPageState {
     unawaited(FramePreviewService.close());
     if (c != null) {
       c.removeListener(_onMajorChange);
+      c.seekRefused.removeListener(_onSeekRefused);
       try {
         await c.pause();
       } catch (_) {}

lib/features/detail/presentation/pages/player_page.toast.dart

@@ -24,6 +24,22 @@ extension _PlayerToasts on _PlayerPageState {
     });
   }
 
+  /// The server ignores byte ranges: the film plays, but a skip cannot land.
+  /// Said once per stream, with the way out when this title has other servers.
+  void _onSeekRefused() {
+    final c = _controller;
+    if (c == null || !c.seekRefused.value) return;
+    _plog('stream is not seekable on this server', level: LogLevel.warn);
+    final servers = _affordances.hasServers;
+    _toast(
+      'player.cannot_seek_server'.tr(),
+      icon: Icons.fast_forward_rounded,
+      duration: const Duration(seconds: 6),
+      action: servers ? 'player.change_server'.tr() : null,
+      onAction: servers ? _openServerSheet : null,
+    );
+  }
+
   void _dismissToast() {
     _toastTimer?.cancel();
     _toastNote.value = null;

test/core/player/playback_readiness_test.dart

@@ -388,4 +388,15 @@ void main() {
     expect(isDecodeGlitch('Could not open codec.'), isFalse);
     expect(isDecodeGlitch('tcp: ffurl_read returned 0xffffff92'), isFalse);
   });
+
+  test('a refused seek is a notice, not a playback failure', () {
+    // UHD Movies' Google links ignore byte ranges (support ticket, 2026-11-09).
+    expect(isSeekRefusal('Cannot seek in this stream.'), isTrue);
+    expect(
+      isSeekRefusal("You can force it with '--force-seekable=yes'."),
+      isTrue,
+    );
+    expect(isSeekRefusal('tcp: ffurl_read returned 0xffffff92'), isFalse);
+    expect(isSeekRefusal('Failed to open https://example.com/a.mkv.'), isFalse);
+  });
 }