Initial commit

2026-07-14 11:11:36 +08:00
commit 656499cf94
604 changed files with 119518 additions and 0 deletions
@@ -0,0 +1,87 @@
+
+
+part of 'player_page.dart';
+
+extension _PlayerPageRelink on _PlayerPageState {
+
+
+  bool _handleStreamFailure() {
+    if (!mounted ||
+        _switchInFlight ||
+        _engineFallbackInFlight ||
+        _relink.pending) {
+      return false;
+    }
+    final s = _session;
+    if (s == null ||
+        s.phase.value != PlaybackPhase.playing ||
+        !s.engine.state.playing) {
+      return false;
+    }
+
+    final ticks = ticksFromDuration(s.engine.state.position);
+
+
+    if (s.lastFailureTerminal) {
+      AppLogger.warn(_tag, 'stream failure terminal → skip relink, surface error');
+      _rememberFailurePosition(ticks);
+      s.phase.removeListener(_onSessionPhaseChanged);
+      _attachWakelockSession(null);
+      unawaited(s.dispose());
+      setState(() {
+        _session = null;
+        _errorMessage = '当前版本源无法播放（服务器拒绝，HTTP 4xx）。请切换其他版本源重试。';
+      });
+      _invalidateBottomBar();
+      return true;
+    }
+
+    _relink.schedule(
+      onGiveUp: () {
+        AppLogger.warn(
+          _tag,
+          'relink gave up after ${_relink.attempts} attempts',
+        );
+        _rememberFailurePosition(ticks);
+        s.phase.removeListener(_onSessionPhaseChanged);
+        _attachWakelockSession(null);
+        unawaited(s.dispose());
+        setState(() {
+          _session = null;
+          _errorMessage = '播放链接已失效，多次重连失败';
+        });
+        _invalidateBottomBar();
+      },
+      onRelink: (delay) {
+        AppLogger.debug(
+          _tag,
+          'relink scheduled attempt=${_relink.attempts} '
+          'delay=${delay.inSeconds}s posTicks=$ticks',
+        );
+        final base = _lastRequest;
+        if (!mounted || base == null) return;
+        final req = base.copyWith(
+          startPositionTicks: ticks > 0 ? ticks : null,
+          playFromStart: false,
+        );
+        unawaited(_switchTo(req));
+      },
+    );
+    return true;
+  }
+
+
+  void _rememberFailurePosition(int ticks) {
+    final base = _lastRequest;
+    if (base == null || ticks <= 0) return;
+    _lastRequest = base.copyWith(
+      startPositionTicks: ticks,
+      playFromStart: false,
+    );
+  }
+
+
+  void _armRelinkSustain() {
+    _relink.armSustain();
+  }
+}