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Merge pull request #11 from R0m1k3/claude/lecture-video
Lecture vidéo : son garanti sur toutes les chaînes, zapping et démarrages accélérés
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@@ -2,6 +2,12 @@
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## Non publié
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### ▶️ Lecture vidéo
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- **Fix du son manquant sur certaines chaînes** : nouvelle route `/api/live/<id>/turbo.ts` pour le zapping — vidéo copiée telle quelle, audio systématiquement réencodé en AAC côté serveur. Les chaînes en AC-3/E-AC-3/MP2 (que mpegts.js ne décode pas) ont maintenant du son, sans coût de transcodage vidéo
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- **Players mis à jour** : hls.js 1.6.7 → 1.7.1, mpegts.js 1.7.3 → 1.8.2 (vendorisés)
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- **Démarrage plus rapide** : sonde FFmpeg bornée (`-fflags nobuffer`, probesize réduit) sur le live et le turbo ; probesize VOD 10 Mo → 5 Mo ; preset live `high` et lecture d'enregistrement en `veryfast` (medium ne tenait pas le temps réel) ; détection de playlist toutes les 100 ms au lieu de 500 ms ; suppression du cache-buster qui re-téléchargeait player.html à chaque zap (les .html passent en no-cache serveur)
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- **Latence live maîtrisée** : rattrapage du direct activé dans mpegts.js (profil rapide) — les micro-coupures ne font plus dériver la lecture derrière le direct
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### 🧰 Qualité / Infra
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- **Builds reproductibles** : `pubspec.lock` (frontend et backend) désormais versionnés et utilisés par le Dockerfile — chaque build résolvait jusqu'ici des versions fraîches
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- **CI durcie** : versions Flutter/Dart épinglées, cache pub, annulation des runs obsolètes (`concurrency`) ; `docker-publish` ne publie plus `:latest` qu'après une CI verte sur main (il tournait en parallèle et pouvait publier une image cassée)
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@@ -94,7 +94,11 @@ List<String> _liveVideoArgs(String quality, bool gpu) {
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'-g', '50',
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]
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: [
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'-c:v', 'libx264', '-preset', 'medium', '-tune', 'zerolatency',
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// veryfast au lieu de medium : en live, l'encodeur doit tenir
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// le temps réel ET produire le premier segment vite ; medium
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// ajoutait plusieurs secondes au zap sans gain visible à ce
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// débit.
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'-c:v', 'libx264', '-preset', 'veryfast', '-tune', 'zerolatency',
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'-profile:v', 'high', '-level', '4.0',
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'-b:v', '6000k', '-maxrate', '8000k', '-bufsize', '12000k',
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'-pix_fmt', 'yuv420p', '-g', '50',
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@@ -318,6 +322,11 @@ Handler createLiveStreamHandler(
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// Abort reads stuck for 30s so a stalled upstream triggers the
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// reconnect logic instead of wedging the process forever.
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'-rw_timeout', '30000000',
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// Démarrage rapide : sans borne, FFmpeg peut passer plusieurs
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// secondes à sonder le flux avant d'écrire le premier segment.
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'-fflags', 'nobuffer',
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'-probesize', '1000000',
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'-analyzeduration', '1000000',
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'-i', targetUrl,
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..._liveVideoArgs(quality, useNvidiaGpu),
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..._audioArgs(withFilters: false),
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@@ -364,6 +373,85 @@ Handler createLiveStreamHandler(
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return Response.found('/api/live/$streamId/$quality/playlist.m3u8');
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});
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// Route: /api/live/{streamId}/turbo.ts — flux MPEG-TS continu pour le
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// player web (mpegts.js) : vidéo copiée telle quelle, audio TOUJOURS
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// réencodé en AAC.
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//
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// POURQUOI : mpegts.js ne démuxe que l'AAC et le MP3. Les chaînes qui
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// diffusent en AC-3/E-AC-3 (0x81/0x87) ou en MPEG-1 Layer II passaient par
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// le proxy brut → image sans aucun son. Le réencodage audio seul coûte
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// quelques % de CPU (pas de transcodage vidéo) et garde le zapping
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// instantané : un seul flux continu, pas de segmentation HLS à amorcer.
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//
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// Latence : -fflags nobuffer + probesize réduit → première image en
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// ~0,5-1,5 s au lieu des 2-6 s d'analyse par défaut de FFmpeg.
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router.get('/<streamId>/turbo.ts', (Request request, String streamId) async {
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if (!_isValidStreamId(streamId)) {
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return Response.badRequest(body: 'Invalid stream ID');
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}
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final playlist = await getPlaylist(request);
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if (playlist == null) return Response.forbidden('No playlist');
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final targetUrl =
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'${playlist.dns}/live/${playlist.username}/${playlist.password}/$streamId.ts';
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print(
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'[Live Turbo] $streamId: ${LogRedactor.redactUrl(targetUrl)}',
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);
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final process = await Process.start(_getFFmpegPath(), [
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'-hide_banner', '-loglevel', 'warning',
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'-headers', 'User-Agent: VLC/3.0.18 LibVLC/3.0.18\r\n',
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'-reconnect', '1', '-reconnect_streamed', '1',
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'-reconnect_at_eof', '1',
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'-reconnect_delay_max', '10',
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'-rw_timeout', '30000000',
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// Démarrage rapide : ne pas bufferiser l'analyse, sonde réduite.
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'-fflags', 'nobuffer',
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'-flags', 'low_delay',
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'-probesize', '1000000',
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'-analyzeduration', '1000000',
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'-i', targetUrl,
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'-c:v', 'copy',
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'-c:a', 'aac', '-b:a', '160k', '-ac', '2', '-ar', '48000',
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'-af', 'aresample=async=1',
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// Pas de délai de mux : les paquets partent dès qu'ils existent.
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'-muxdelay', '0', '-muxpreload', '0',
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'-f', 'mpegts', 'pipe:1',
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]);
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// Journaliser les erreurs FFmpeg (redactées) sans bloquer le flux.
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process.stderr.transform(const SystemEncoding().decoder).listen((line) {
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final trimmed = line.trim();
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if (trimmed.isNotEmpty) {
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print('[Live Turbo] $streamId ffmpeg: '
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'${LogRedactor.redactUrl(trimmed)}');
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}
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});
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// Relayer stdout vers le client ; tuer FFmpeg dès que le client zappe
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// ou ferme l'onglet (sinon les processus s'accumulent à chaque zap).
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final controller = StreamController<List<int>>();
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final subscription = process.stdout.listen(
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controller.add,
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onError: controller.addError,
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onDone: controller.close,
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);
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controller.onCancel = () {
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subscription.cancel();
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process.kill(ProcessSignal.sigterm);
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};
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return Response(
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200,
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body: controller.stream,
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headers: {
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'Content-Type': 'video/mp2t',
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'Cache-Control': 'no-store',
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'Connection': 'keep-alive',
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},
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);
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});
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// Route: /api/live/{streamId}.ts (Direct Proxy for recordings/raw playback)
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router.get('/<streamId>.ts', (Request request, String streamId) async {
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final playlist = await getPlaylist(request);
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@@ -464,8 +552,11 @@ Handler createVodStreamHandler(
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'-reconnect_delay_max', '10',
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'-rw_timeout', '30000000',
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'-timeout', '30000000',
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'-analyzeduration', '5000000',
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'-probesize', '10000000',
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// Sonde réduite (10 Mo → 5 Mo) : sur un upstream lent, télécharger
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// 10 Mo avant la première image ajoutait plusieurs secondes au
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// démarrage de chaque film.
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'-analyzeduration', '2000000',
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'-probesize', '5000000',
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'-i', targetUrl,
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..._vodVideoArgs(quality, useNvidiaGpu),
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..._audioArgs(withFilters: quality != 'source'),
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@@ -586,7 +677,11 @@ Handler createRecordingStreamHandler(
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'-bufsize', '6000k',
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'-g', '48', '-bf', '2', '-pix_fmt', 'yuv420p',
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] else ...[
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'-c:v', 'libx264', '-preset', 'medium', '-crf', '18',
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// veryfast/crf 20 au lieu de medium/crf 18 : à ce niveau le rendu
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// est visuellement identique, mais medium ne tenait pas le temps
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// réel en 1080p sur un CPU modeste → lecture d'enregistrement qui
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// démarre lentement puis bufferise.
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'-c:v', 'libx264', '-preset', 'veryfast', '-crf', '20',
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'-maxrate', '12000k', '-bufsize', '24000k', '-pix_fmt', 'yuv420p',
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'-g', '48', '-threads', '0',
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],
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+1
-1
@@ -277,7 +277,7 @@ void main(List<String> args) async {
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final isVendored = path.startsWith('vendor/');
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if (!isVendored &&
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(path.isEmpty ||
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path == 'index.html' ||
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path.endsWith('.html') ||
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path.endsWith('.js') ||
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path.endsWith('.json'))) {
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return response.change(
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@@ -165,7 +165,9 @@ class FfmpegSessionManager {
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'${session.recentStderr.join().trim()}'
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);
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}
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await Future.delayed(const Duration(milliseconds: 500));
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// 100 ms : à 500 ms, on ajoutait en moyenne un quart de seconde de
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// latence pure entre la disponibilité de la playlist et sa réponse.
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await Future.delayed(const Duration(milliseconds: 100));
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}
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return (ready: false, error: 'Timeout waiting for transcoder');
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}
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@@ -190,18 +190,17 @@ class _PlayerScreenState extends ConsumerState<PlayerScreen> {
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// - Live TV: Player Lite (simple TS playback with mpegts.js)
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// - VOD/Series: Player Standard (fuller controls, HLS support)
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// Cache buster to force reload of updated player.html
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final cacheBuster = DateTime.now().millisecondsSinceEpoch;
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final streamTypeParam =
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widget.streamType == StreamType.live ? 'live' : 'vod';
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final playerFile = isMobile
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? 'player_mobile.html'
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: (isLiveTV ? 'player_lite.html' : 'player.html');
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// Inject Turbo-Start flag
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// Plus de cache-buster « &v=timestamp » : il forçait le re-téléchargement
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// et le re-parse de player.html à CHAQUE zap. Le serveur sert désormais
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// les .html en no-cache, la fraîcheur est garantie sans pénaliser le zap.
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var playerSrc =
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'$playerFile?url=$encodedUrl&type=$streamTypeParam&turbo=true&v=$cacheBuster';
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'$playerFile?url=$encodedUrl&type=$streamTypeParam&turbo=true';
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if (widget.streamType == StreamType.recording) {
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playerSrc += '&is_recording=true';
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@@ -176,8 +176,11 @@ class XtreamService {
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/// Faster zapping on compatible players (mpegts.js)
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String getLiveStreamUrlTs(String streamId) {
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if (_currentPlaylist == null) throw Exception('No playlist configured');
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// Backend route injects the Xtream credentials server-side
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return '$_backendBaseUrl/api/live/$streamId.ts';
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// Route « turbo » : vidéo copiée, audio réencodé en AAC côté serveur.
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// Le proxy brut ($_backendBaseUrl/api/live/$streamId.ts) livrait l'audio
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// d'origine — AC-3/E-AC-3/MP2 que mpegts.js ne décode pas → chaînes
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// muettes. Il reste utilisé tel quel par le scheduler d'enregistrement.
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return '$_backendBaseUrl/api/live/$streamId/turbo.ts';
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}
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/// Generate stream URL for VOD (movies)
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Vendored
+3
-1
@@ -1,2 +1,4 @@
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|
||||
//# sourceMappingURL=mpegts.js.map
|
||||
+13
-5
@@ -284,7 +284,13 @@
|
||||
// 64 Ko en profil « fast » contre 512 Ko auparavant.
|
||||
stashInitialSize: this.profile.mpegtsStash,
|
||||
maxStashSize: 30 * 1024 * 1024,
|
||||
liveBufferLatencyChasing: false,
|
||||
// Rattrapage du direct : sans lui, chaque micro-coupure fait dériver
|
||||
// la lecture derrière le direct (latence qui s'accumule). Activé
|
||||
// uniquement en profil « fast » — les profils élargis privilégient
|
||||
// la stabilité du buffer.
|
||||
liveBufferLatencyChasing: isLive && this.profile.name === 'fast',
|
||||
liveBufferLatencyMaxLatency: 5,
|
||||
liveBufferLatencyMinRemain: 1,
|
||||
lazyLoad: false
|
||||
}
|
||||
);
|
||||
@@ -341,13 +347,15 @@
|
||||
this._attemptPlay();
|
||||
};
|
||||
|
||||
/// `/api/live/<id>.ts` → `/api/live/<id>/source/playlist.m3u8`.
|
||||
/// `/api/live/<id>/turbo.ts` (ou l'ancien `/api/live/<id>.ts`)
|
||||
/// → `/api/live/<id>/source/playlist.m3u8`.
|
||||
///
|
||||
/// Le préréglage `source` garde la vidéo en copie de flux (`-c:v copy`) :
|
||||
/// seul l'audio est réencodé, le coût processeur reste négligeable.
|
||||
/// Filet de sécurité : la route turbo réencode déjà l'audio en AAC côté
|
||||
/// serveur, donc ce fallback ne devrait plus jamais se déclencher — il
|
||||
/// reste pour couvrir un flux sans piste audio exploitable du tout.
|
||||
/// Renvoie `null` si l'URL n'est pas un flux live direct — rien à tenter.
|
||||
XFPlayer.prototype._hlsEquivalent = function (url) {
|
||||
var match = /^(.*\/api\/live\/)([^/?#]+)\.ts(\?.*)?$/.exec(url);
|
||||
var match = /^(.*\/api\/live\/)([^/?#]+)(?:\/turbo)?\.ts(\?.*)?$/.exec(url);
|
||||
if (!match) return null;
|
||||
return match[1] + match[2] + '/source/playlist.m3u8';
|
||||
};
|
||||
|
||||
Reference in new issue
Block a user