fix(video): prevent play next EOF loop

close #1228

android/app/src/main/kotlin/com/edde746/plezy/mpv/MpvPlayerCore.kt

@@ -238,6 +238,9 @@ class MpvPlayerCore(private val activity: Activity) : SurfaceHolder.Callback {
             setOption("opengl-es", "yes")
             setOption("vd-lavc-film-grain", "cpu")
             setOption("ao", "audiotrack,opensles")
+            // Pause on the last frame at EOF instead of unloading the file, so a
+            // seek after the video ends still works (matches Linux/Windows).
+            setOption("keep-open", "yes")
             if (displayFpsOverride != null) {
               setOption("display-fps-override", displayFpsOverride)
             }

lib/screens/video_player/parts/playback_prompts.dart

@@ -99,12 +99,25 @@ extension _VideoPlayerPlaybackPromptMethods on VideoPlayerScreenState {
     _autoPlayTimer?.cancel();
     _unfocusPlayNextPrompt();
     _progressTracker?.resumeAfterStoppedReport();
-    _completionTriggered = false; // Reset so it can trigger again if user seeks near end
+    // Keep _completionTriggered set: playback is still parked inside the
+    // end-of-video window, so clearing it here would let the position listener
+    // re-fire this prompt on the next tick. It is re-armed once playback seeks
+    // back clear of the end region (see the position listener) or new media loads.
     _setPlayerState(() {
       _showPlayNextDialog = false;
     });
   }
 
+  /// Re-arm the end-of-video latch so Play Next can fire again — but only when no
+  /// prompt is visible and no auto-play countdown is running, so we never clobber
+  /// an active dialog. Callers decide *when* it is safe to re-arm (media reloaded,
+  /// or playback moved back out of the end region).
+  void _rearmCompletionLatch() {
+    if (_completionTriggered && !_showPlayNextDialog && _autoPlayTimer?.isActive != true) {
+      _completionTriggered = false;
+    }
+  }
+
   void _showStillWatchingDialog() {
     // Don't show if auto-play dialog is already visible
     if (_showPlayNextDialog) return;

lib/screens/video_player/parts/playback_services.dart

@@ -323,9 +323,7 @@ extension _VideoPlayerPlaybackServiceMethods on VideoPlayerScreenState {
     appLogger.i('Network restored while buffering, forcing stream reconnect at ${pos.inSeconds}s');
     // Clear any stale completion latch caused by a spurious EOF during the drop,
     // so the real end-of-file can trigger Play Next after we recover.
-    if (_completionTriggered && !_showPlayNextDialog && _autoPlayTimer?.isActive != true) {
-      _completionTriggered = false;
-    }
+    _rearmCompletionLatch();
     unawaited(_seekPlayback(pos));
   }
 }

lib/screens/video_player_screen.dart

@@ -352,6 +352,13 @@ class VideoPlayerScreenState extends State<VideoPlayerScreen> with WidgetsBindin
   int _autoPlayCountdown = 5;
   bool _completionTriggered = false;
 
+  // End-of-video Play Next thresholds. Fire the prompt within _kPlayNextTriggerMs
+  // of the end; re-arm (allow it to fire again) only once playback is more than
+  // _kPlayNextRearmMs from the end. The gap is hysteresis so a position parked at
+  // the boundary can't oscillate between firing and re-arming.
+  static const int _kPlayNextTriggerMs = 1000;
+  static const int _kPlayNextRearmMs = 2000;
+
   late final FocusNode _playNextCancelFocusNode;
   late final FocusNode _playNextConfirmFocusNode;
 
@@ -881,13 +888,18 @@ class VideoPlayerScreenState extends State<VideoPlayerScreen> with WidgetsBindin
 
       _playingSubscription = currentPlayer.streams.playing.listen(_onPlayingStateChanged);
 
-      // Listen to completion. When mpv emits completed=false (file-loaded after a
-      // reconnect-seek or fresh open), clear a stale _completionTriggered so the
-      // real end-of-file can still show Play Next. Guarded against clobbering an
-      // active dialog or running auto-play countdown.
       _completedSubscription = currentPlayer.streams.completed.listen((done) {
-        if (!done && _completionTriggered && !_showPlayNextDialog && _autoPlayTimer?.isActive != true) {
-          _completionTriggered = false;
+        // completed=false means a file (re)loaded after a reconnect-seek or fresh
+        // open — re-arm the end-of-video latch so the real EOF can still show Play
+        // Next. But only when playback is clear of the end region: a stray
+        // completed=false while parked at EOF must NOT re-arm, or the position
+        // listener would immediately re-fire the Play Next prompt.
+        if (!done) {
+          final durMs = currentPlayer.state.duration.inMilliseconds;
+          final posMs = currentPlayer.state.position.inMilliseconds;
+          if (durMs <= 0 || posMs < durMs - _kPlayNextRearmMs) {
+            _rearmCompletionLatch();
+          }
         }
         _onVideoCompleted(done);
       });
@@ -973,11 +985,16 @@ class VideoPlayerScreenState extends State<VideoPlayerScreen> with WidgetsBindin
         }
 
         final duration = activePlayer.state.duration;
-        if (duration.inMilliseconds > 0 &&
-            position.inMilliseconds >= duration.inMilliseconds - 1000 &&
-            !_showPlayNextDialog &&
-            !_completionTriggered) {
-          _onVideoCompleted(true);
+        if (duration.inMilliseconds > 0) {
+          if (position.inMilliseconds >= duration.inMilliseconds - _kPlayNextTriggerMs &&
+              !_showPlayNextDialog &&
+              !_completionTriggered) {
+            _onVideoCompleted(true);
+          } else if (position.inMilliseconds < duration.inMilliseconds - _kPlayNextRearmMs) {
+            // Seeked back out of the end region after dismissing Play Next — re-arm
+            // so the prompt can fire again if the user returns to the end.
+            _rearmCompletionLatch();
+          }
         }
       });
 

shared/apple/MpvPlayer/MpvPlayerCoreBase.swift

@@ -708,6 +708,9 @@ class MpvPlayerCoreBase: NSObject {
     checkError(mpv_set_option_string(mpv, "hwdec-codecs", "all"))
     checkError(mpv_set_option_string(mpv, "hwdec-software-fallback", "yes"))
     checkError(mpv_set_option_string(mpv, "target-colorspace-hint", "auto"))
+    // Pause on the last frame at EOF instead of unloading the file, so seeking
+    // back after the video ends still works (matches Linux/Windows).
+    checkError(mpv_set_option_string(mpv, "keep-open", "yes"))
   }
 
   #if os(macOS)