Refactor video playback handling and improve tab visibility management

Jellyfin.Plugin.MediaBarEnhanced/Web/mediaBarEnhanced.js

@@ -1435,19 +1435,16 @@ const VisibilityObserver = {
     
     // If a full screen video player is active, hide slideshow and stop playback
     if ((videoPlayer && !videoPlayer.classList.contains('hide')) || (trailerPlayer && !trailerPlayer.classList.contains('hide'))) {
-        if (this._lastVisibleState !== 'player-active') {
+        const container = document.getElementById("slides-container");
-            this._lastVisibleState = 'player-active';
+        if (container) {
-            const container = document.getElementById("slides-container");
+            container.style.display = "none";
-            if (container) {
+            container.style.visibility = "hidden";
-                container.style.display = "none";
+            container.style.pointerEvents = "none";
-                container.style.visibility = "hidden";
-                container.style.pointerEvents = "none";
-            }
-            if (STATE.slideshow.slideInterval) {
-                STATE.slideshow.slideInterval.stop();
-            }
-            SlideshowManager.stopAllPlayback();
         }
+        if (STATE.slideshow.slideInterval) {
+            STATE.slideshow.slideInterval.stop();
+        }
+        SlideshowManager.stopAllPlayback();
         return;
     }
 
@@ -1462,27 +1459,20 @@ const VisibilityObserver = {
       activeTab &&
       activeTab.getAttribute("data-index") === "0";
 
-    const newState = isVisible ? 'visible' : 'hidden';
+    container.style.display = isVisible ? "block" : "none";
-    
+    container.style.visibility = isVisible ? "visible" : "hidden";
-    // Only update DOM and trigger actions when state actually changes
+    container.style.pointerEvents = isVisible ? "auto" : "none";
-    if (this._lastVisibleState !== newState) {
-      this._lastVisibleState = newState;
-      
-      container.style.display = isVisible ? "block" : "none";
-      container.style.visibility = isVisible ? "visible" : "hidden";
-      container.style.pointerEvents = isVisible ? "auto" : "none";
 
-      if (isVisible) {
+    if (isVisible) {
-        if (STATE.slideshow.slideInterval && !STATE.slideshow.isPaused) {
+      if (STATE.slideshow.slideInterval && !STATE.slideshow.isPaused) {
-          STATE.slideshow.slideInterval.start();
+        STATE.slideshow.slideInterval.start();
-          SlideshowManager.resumeActivePlayback();
+        SlideshowManager.resumeActivePlayback();
-        }
-      } else {
-        if (STATE.slideshow.slideInterval) {
-          STATE.slideshow.slideInterval.stop();
-        }
-        SlideshowManager.stopAllPlayback();
       }
+    } else {
+      if (STATE.slideshow.slideInterval) {
+        STATE.slideshow.slideInterval.stop();
+      }
+      SlideshowManager.stopAllPlayback();
     }
   },
 
@@ -1491,11 +1481,6 @@ const VisibilityObserver = {
    */
   init() {
     const observer = new MutationObserver(() => this.updateVisibility());
-    // let debounceTimer = null;
-    // const observer = new MutationObserver(() => {
-    //   if (debounceTimer) clearTimeout(debounceTimer);
-    //   debounceTimer = setTimeout(() => this.updateVisibility(), 250);
-    // });
     observer.observe(document.body, { childList: true, subtree: true });
 
     document.body.addEventListener("click", () => this.updateVisibility());
@@ -1622,6 +1607,11 @@ const SlideCreator = {
     else if (item.RemoteTrailers && item.RemoteTrailers.length > 0) {
       trailerUrl = item.RemoteTrailers[0].Url;
     }
+    // 1d. Final Fallback to Local Trailer (even if not preferred)
+    else if (item.LocalTrailerCount > 0 && item.localTrailerUrl) {
+         trailerUrl = item.localTrailerUrl;
+         console.log(`Using local trailer fallback for ${itemId}: ${trailerUrl}`);
+    }
 
     const isMobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);
     
@@ -1714,20 +1704,6 @@ const SlideCreator = {
               playerVars: playerVars,
               events: {
                 'onReady': (event) => {
-                  // Prevent iframe from stealing focus (critical for TV mode)
-                  const iframe = event.target.getIframe();
-                  if (iframe) {
-                    iframe.setAttribute('tabindex', '-1');
-                    iframe.setAttribute('inert', '');
-                    // Preserve video-backdrop class on the iframe (YT API replaces the original div)
-                    iframe.classList.add('backdrop', 'video-backdrop');
-                    if (CONFIG.fullWidthVideo) {
-                      iframe.classList.add('video-backdrop-full');
-                    } else {
-                      iframe.classList.add('video-backdrop-default');
-                    }
-                  }
-
                   // Store start/end time and videoId for later use
                   event.target._startTime = playerVars.start || 0;
                   event.target._endTime = playerVars.end || undefined;
@@ -1744,18 +1720,11 @@ const SlideCreator = {
                     event.target.setPlaybackQuality(quality);
                   }
 
-                  // Only play if this is the active slide and not paused
+                  // Only play if this is the active slide
                   const slide = document.querySelector(`.slide[data-item-id="${itemId}"]`);
                   const isVideoPlayerOpen = document.querySelector('.videoPlayerContainer') || document.querySelector('.youtubePlayerContainer');
 
-                  const isActive = slide && slide.classList.contains('active');
+                  if (slide && slide.classList.contains('active') && !document.hidden && (!isVideoPlayerOpen || isVideoPlayerOpen.classList.contains('hide'))) {
-                  const isHidden = document.hidden;
-                  const isPaused = STATE.slideshow.isPaused;
-                  const isPlayerOpen = isVideoPlayerOpen && !isVideoPlayerOpen.classList.contains('hide');
-                  console.log(`[MBE-READY] onReady for ${itemId}: active=${isActive}, hidden=${isHidden}, paused=${isPaused}, playerOpen=${!!isPlayerOpen}`);
-
-                  if (isActive && !isHidden && !isPaused && !isPlayerOpen) {
-                    console.log(`[MBE-READY] → Playing video for ${itemId}`);
                     event.target.playVideo();
                     
                     // Check if it actually started playing after a short delay (handling autoplay blocks)
@@ -1788,10 +1757,12 @@ const SlideCreator = {
                   }
                 },
                 'onStateChange': (event) => {
-                  const stateNames = {[-1]: 'UNSTARTED', 0: 'ENDED', 1: 'PLAYING', 2: 'PAUSED', 3: 'BUFFERING', 5: 'CUED'};
-                  console.log(`[MBE-STATE] ${itemId}: ${stateNames[event.data] || event.data}`);
                   if (event.data === YT.PlayerState.ENDED) {
-                    SlideshowManager.nextSlide();
+                    if (CONFIG.waitForTrailerToEnd) {
+                      SlideshowManager.nextSlide();
+                    } else {
+                      event.target.playVideo(); // Loop if not waiting for end if trailer is shorter than slide duration
+                    }
                   }
                 },
                 'onError': (event) => {
@@ -1832,23 +1803,16 @@ const SlideCreator = {
 
         STATE.slideshow.videoPlayers[itemId] = backdrop;
 
-        backdrop.addEventListener('play', (event) => {
+        backdrop.addEventListener('play', () => {
-          const slide = document.querySelector(`.slide[data-item-id="${itemId}"]`);
-
-          if (!slide || !slide.classList.contains('active')) {
-              console.log(`Local video ${itemId} started playing but is not active, pausing.`);
-              event.target.pause();
-              event.target.currentTime = 0;
-              return;
-          }
-
           if (CONFIG.waitForTrailerToEnd && STATE.slideshow.slideInterval) {
             STATE.slideshow.slideInterval.stop();
           }
         });
 
         backdrop.addEventListener('ended', () => {
-          SlideshowManager.nextSlide();
+          if (CONFIG.waitForTrailerToEnd) {
+            SlideshowManager.nextSlide();
+          }
         });
 
         backdrop.addEventListener('error', () => {
@@ -2283,16 +2247,6 @@ const SlideshowManager = {
     let previousVisibleSlide;
     try {
       const container = SlideUtils.getOrCreateSlidesContainer();
-      
-      const activeElement = document.activeElement;
-      let focusSelector = null;
-      if (container.contains(activeElement)) {
-          if (activeElement.classList.contains('play-button')) focusSelector = '.play-button';
-          else if (activeElement.classList.contains('detail-button')) focusSelector = '.detail-button';
-          else if (activeElement.classList.contains('favorite-button')) focusSelector = '.favorite-button';
-          else if (activeElement.classList.contains('trailer-button')) focusSelector = '.trailer-button';
-      }
-
       const totalItems = STATE.slideshow.totalItems;
 
       index = Math.max(0, Math.min(index, totalItems - 1));
@@ -2321,47 +2275,89 @@ const SlideshowManager = {
 
       currentSlide.classList.add("active");
 
-      // Restore focus for TV mode navigation continuity
+      // Manage Video Playback: Stop others, Play current
-      requestAnimationFrame(() => {
+
-        if (focusSelector) {
+      // 1. Pause all other YouTube players
-          const target = currentSlide.querySelector(focusSelector);
+      if (STATE.slideshow.videoPlayers) {
-          if (target) {
+        Object.keys(STATE.slideshow.videoPlayers).forEach(id => {
-            target.focus();
+          if (id !== currentItemId) {
-            return;
+            const p = STATE.slideshow.videoPlayers[id];
+            if (p && typeof p.pauseVideo === 'function') {
+              p.pauseVideo();
+            }
           }
-        }
+        });
-        // Always ensure container has focus in TV mode to keep keyboard navigation working
+      }
-        const isTvMode = (window.layoutManager && window.layoutManager.tv) ||
+
-          document.documentElement.classList.contains('layout-tv') ||
+      // 2. Pause all other HTML5 videos e.g. local trailers
-          document.body.classList.contains('layout-tv');
+      document.querySelectorAll('video').forEach(video => {
-        if (isTvMode) {
+        if (!video.closest(`.slide[data-item-id="${currentItemId}"]`)) {
-          container.focus({ preventScroll: true });
+          video.pause();
         }
       });
 
-      // Manage Video Playback: Stop others, Play current
+      // 3. Play and Reset current video
-      this.pauseOtherVideos(currentItemId);
+      const videoBackdrop = currentSlide.querySelector('.video-backdrop');
 
-      if (!STATE.slideshow.isPaused) {
+      // Update mute button visibility
-        this.playCurrentVideo(currentSlide, currentItemId);
+      const muteButton = document.querySelector('.mute-button');
-      } else {
+      if (muteButton) {
-        // Check if new slide has video — Option B: un-pause for video slides
+        const hasVideo = !!videoBackdrop;
-        const videoBackdrop = currentSlide.querySelector('.video-backdrop');
+        muteButton.style.display = hasVideo ? 'block' : 'none';
-        if (videoBackdrop) {
+      }
-          STATE.slideshow.isPaused = false;
+
-          const pauseButton = document.querySelector('.pause-button');
+      if (videoBackdrop) {
-          if (pauseButton) {
+        if (videoBackdrop.tagName === 'VIDEO') {
-            pauseButton.innerHTML = '<i class="material-icons">pause</i>';
+          videoBackdrop.currentTime = 0;
-            const pauseLabel = LocalizationUtils.getLocalizedString('ButtonPause', 'Pause');
+
-            pauseButton.setAttribute('aria-label', pauseLabel);
+          videoBackdrop.muted = STATE.slideshow.isMuted;
-            pauseButton.setAttribute('title', pauseLabel);
+          if (!STATE.slideshow.isMuted) {
+            videoBackdrop.volume = 0.4;
+          }
+
+          videoBackdrop.play().catch(e => {
+            // Check if it actually started playing after a short delay (handling autoplay blocks)
+            setTimeout(() => {
+              if (videoBackdrop.paused) {
+                console.warn(`Autoplay blocked for ${itemId}, attempting muted fallback`);
+                videoBackdrop.muted = true;
+                videoBackdrop.play().catch(err => console.error("Muted fallback failed", err));
+              }
+            }, 1000);
+          });
+        } else if (STATE.slideshow.videoPlayers && STATE.slideshow.videoPlayers[currentItemId]) {
+          const player = STATE.slideshow.videoPlayers[currentItemId];
+          if (player && typeof player.loadVideoById === 'function' && player._videoId) {
+            // Use loadVideoById to enforce start and end times
+            player.loadVideoById({
+              videoId: player._videoId,
+              startSeconds: player._startTime || 0,
+              endSeconds: player._endTime
+            });
+
+            if (STATE.slideshow.isMuted) {
+              player.mute();
+            } else {
+              player.unMute();
+              player.setVolume(40);
+            }
+
+            // Check if playback successfully started, otherwise fallback to muted
+            setTimeout(() => {
+              if (player.getPlayerState &&
+                player.getPlayerState() !== YT.PlayerState.PLAYING &&
+                player.getPlayerState() !== YT.PlayerState.BUFFERING) {
+                console.log("YouTube loadVideoById didn't start playback, retrying muted...");
+                player.mute();
+                player.playVideo();
+              }
+            }, 1000);
+          } else if (player && typeof player.seekTo === 'function') {
+            // Fallback if loadVideoById is not available or videoId missing
+            const startTime = player._startTime || 0;
+            player.seekTo(startTime);
+            player.playVideo();
           }
-          this.playCurrentVideo(currentSlide, currentItemId);
-        }
-        // Update mute button visibility
-        const muteButton = document.querySelector('.mute-button');
-        if (muteButton) {
-          muteButton.style.display = videoBackdrop ? 'block' : 'none';
         }
       }
 
@@ -2398,8 +2394,7 @@ const SlideshowManager = {
       this.updateDots();
 
       // Only restart interval if we are NOT waiting for a video to end
-      const hasVideo = currentSlide.querySelector('.video-backdrop') || 
+      const hasVideo = currentSlide.querySelector('.video-backdrop');
-        (STATE.slideshow.videoPlayers && STATE.slideshow.videoPlayers[currentItemId]);
       if (STATE.slideshow.slideInterval && !STATE.slideshow.isPaused) {
         if (CONFIG.waitForTrailerToEnd && hasVideo) {
           STATE.slideshow.slideInterval.stop();
@@ -2458,23 +2453,26 @@ const SlideshowManager = {
   async preloadAdjacentSlides(currentIndex) {
     const totalItems = STATE.slideshow.totalItems;
     const preloadCount = Math.min(Math.max(CONFIG.preloadCount || 1, 1), 5);
-
+    const preloadedIds = new Set();
     // Preload next slides
     for (let i = 1; i <= preloadCount; i++) {
         const nextIndex = (currentIndex + i) % totalItems;
         if (nextIndex === currentIndex) break;
-        
         const itemId = STATE.slideshow.itemIds[nextIndex];
-        SlideCreator.createSlideForItemId(itemId);
+        if (!preloadedIds.has(itemId)) {
+             preloadedIds.add(itemId);
+             SlideCreator.createSlideForItemId(itemId);
+        }
     }
-
     // Preload previous slides
     for (let i = 1; i <= preloadCount; i++) {
         const prevIndex = (currentIndex - i + totalItems) % totalItems;
         if (prevIndex === currentIndex) break;
-
         const prevItemId = STATE.slideshow.itemIds[prevIndex];
-        SlideCreator.createSlideForItemId(prevItemId);
+        if (!preloadedIds.has(prevItemId)) {
+             preloadedIds.add(prevItemId);
+             SlideCreator.createSlideForItemId(prevItemId);
+        }
     }
   },
 
@@ -2510,13 +2508,11 @@ const SlideshowManager = {
       if (index === -1) return;
 
       const totalItems = STATE.slideshow.itemIds.length;
-      
-      // Calculate wrapped distance
       let distance = Math.abs(index - currentIndex);
       if (totalItems > keepRange * 2) {
           distance = Math.min(distance, totalItems - distance);
       }
-      
+
       if (distance > keepRange) {
         // Destroy video player if exists
         if (STATE.slideshow.videoPlayers[itemId]) {
@@ -2541,13 +2537,11 @@ const SlideshowManager = {
       }
     });
 
-    // After pruning, restore focus to container in TV mode
     if (prunedAny) {
       const isTvMode = (window.layoutManager && window.layoutManager.tv) ||
         document.documentElement.classList.contains('layout-tv') ||
         document.body.classList.contains('layout-tv');
       if (isTvMode) {
-        // Use setTimeout to execute AFTER Jellyfin's focus manager processes the iframe removal
         setTimeout(() => {
           const container = document.getElementById("slides-container");
           if (container && container.style.display !== 'none') {
@@ -2674,187 +2668,6 @@ const SlideshowManager = {
     }
   },
 
-  /**
-   * Pauses all video players except the one with the given item ID
-   * @param {string} excludeItemId - Item ID to exclude from pausing
-   */
-  pauseOtherVideos(excludeItemId) {
-    // Pause YouTube players
-    if (STATE.slideshow.videoPlayers) {
-      Object.keys(STATE.slideshow.videoPlayers).forEach(id => {
-        if (id !== excludeItemId) {
-          const p = STATE.slideshow.videoPlayers[id];
-          if (p) {
-            try {
-              if (typeof p.pauseVideo === 'function') {
-                p.pauseVideo();
-                if (typeof p.mute === 'function') {
-                  p.mute();
-                }
-              }
-              else if (p.tagName === 'VIDEO') {
-                p.pause();
-                p.muted = true;
-              }
-            } catch (e) { console.warn("Error pausing player", id, e); }
-          }
-        }
-      });
-    }
-    // Pause HTML5 videos
-    document.querySelectorAll('video').forEach(video => {
-      const slideParent = video.closest('.slide');
-      if (slideParent && slideParent.dataset.itemId !== excludeItemId) {
-        try {
-          video.pause();
-          video.muted = true;
-        } catch (e) {}
-      }
-    });
-  },
-
-  /**
-   * Plays the video backdrop on the given slide and updates mute button visibility.
-   * Includes a retry mechanism for YouTube players that aren't ready yet.
-   * @param {Element} slide - The slide DOM element
-   * @param {string} itemId - The item ID of the slide
-   */
-  playCurrentVideo(slide, itemId) {
-    // Find video element — check class (covers both original div and iframe with class restored by onReady)
-    const videoBackdrop = slide.querySelector('.video-backdrop');
-    const ytPlayer = STATE.slideshow.videoPlayers && STATE.slideshow.videoPlayers[itemId];
-    const hasAnyVideo = !!(videoBackdrop || ytPlayer);
-
-    console.log(`[MBE-PLAY] playCurrentVideo for ${itemId}: videoBackdrop=${videoBackdrop?.tagName || 'null'}, ytPlayer=${!!ytPlayer}, ytReady=${ytPlayer && typeof ytPlayer.loadVideoById === 'function'}`);
-
-    // Update mute button visibility
-    const muteButton = document.querySelector('.mute-button');
-    if (muteButton) {
-      muteButton.style.display = hasAnyVideo ? 'block' : 'none';
-    }
-
-    if (!hasAnyVideo) {
-      console.log(`[MBE-PLAY] No video found for ${itemId}, skipping`);
-      return;
-    }
-
-    // HTML5 <video> element
-    if (videoBackdrop && videoBackdrop.tagName === 'VIDEO') {
-      console.log(`[MBE-PLAY] Playing HTML5 video for ${itemId}`);
-      videoBackdrop.currentTime = 0;
-      videoBackdrop.muted = STATE.slideshow.isMuted;
-      if (!STATE.slideshow.isMuted) videoBackdrop.volume = 0.4;
-
-      videoBackdrop.play().catch(() => {
-        setTimeout(() => {
-          if (videoBackdrop.paused && slide.classList.contains('active')) {
-            console.warn(`[MBE-PLAY] Autoplay blocked for ${itemId}, muted fallback`);
-            videoBackdrop.muted = true;
-            videoBackdrop.play().catch(err => console.error('[MBE-PLAY] Muted fallback failed', err));
-          }
-        }, 1000);
-      });
-      return;
-    }
-
-    // YouTube player — try to play now if ready
-    if (ytPlayer && typeof ytPlayer.loadVideoById === 'function' && ytPlayer._videoId) {
-      console.log(`[MBE-PLAY] YouTube player READY for ${itemId}, calling loadVideoById`);
-      ytPlayer.loadVideoById({
-        videoId: ytPlayer._videoId,
-        startSeconds: ytPlayer._startTime || 0,
-        endSeconds: ytPlayer._endTime
-      });
-
-      if (STATE.slideshow.isMuted) {
-        ytPlayer.mute();
-      } else {
-        ytPlayer.unMute();
-        ytPlayer.setVolume(40);
-      }
-
-      // Pause slideshow timer for video if configured
-      if (CONFIG.waitForTrailerToEnd && STATE.slideshow.slideInterval) {
-        STATE.slideshow.slideInterval.stop();
-      }
-
-      // 1s check: if still not playing, force muted retry
-      setTimeout(() => {
-        if (!slide.classList.contains('active')) return;
-        try {
-          const state = ytPlayer.getPlayerState();
-          if (state !== YT.PlayerState.PLAYING && state !== YT.PlayerState.BUFFERING) {
-            console.warn(`[MBE-PLAY] loadVideoById didn't start for ${itemId} (state=${state}), muted retry`);
-            ytPlayer.mute();
-            ytPlayer.playVideo();
-          }
-        } catch (e) { console.warn('[MBE-PLAY] Error checking player state:', e); }
-      }, 1500);
-      return;
-    }
-
-    // YouTube player NOT ready yet (onReady hasn't fired). 
-    // onReady will handle it IF the slide is still active when it fires.
-    // But as safety net: retry every 500ms for up to 6 seconds.
-    console.log(`[MBE-PLAY] YouTube player NOT READY for ${itemId}, starting retry loop (onReady will also attempt)`);
-    let retryCount = 0;
-    const maxRetries = 12; // 12 × 500ms = 6 seconds
-    const retryTimer = setInterval(() => {
-      retryCount++;
-
-      // Abort if slide changed or paused
-      if (!slide.classList.contains('active') || STATE.slideshow.isPaused) {
-        console.log(`[MBE-PLAY] Retry aborted for ${itemId} (slide inactive or paused)`);
-        clearInterval(retryTimer);
-        return;
-      }
-
-      const p = STATE.slideshow.videoPlayers && STATE.slideshow.videoPlayers[itemId];
-
-      // Check if player is now playing (onReady may have started it)
-      if (p && typeof p.getPlayerState === 'function') {
-        try {
-          const state = p.getPlayerState();
-          if (state === YT.PlayerState.PLAYING || state === YT.PlayerState.BUFFERING) {
-            console.log(`[MBE-PLAY] Player for ${itemId} is already playing (started by onReady), stopping retry`);
-            clearInterval(retryTimer);
-            return;
-          }
-        } catch (e) { /* player not fully ready yet */ }
-      }
-
-      // Check if player is now ready
-      if (p && typeof p.loadVideoById === 'function' && p._videoId) {
-        console.log(`[MBE-PLAY] Retry #${retryCount}: Player for ${itemId} now READY, calling loadVideoById`);
-        clearInterval(retryTimer);
-
-        p.loadVideoById({
-          videoId: p._videoId,
-          startSeconds: p._startTime || 0,
-          endSeconds: p._endTime
-        });
-
-        if (STATE.slideshow.isMuted) {
-          p.mute();
-        } else {
-          p.unMute();
-          p.setVolume(40);
-        }
-
-        if (CONFIG.waitForTrailerToEnd && STATE.slideshow.slideInterval) {
-          STATE.slideshow.slideInterval.stop();
-        }
-        return;
-      }
-
-      if (retryCount >= maxRetries) {
-        console.warn(`[MBE-PLAY] Gave up retrying for ${itemId} after ${maxRetries * 500}ms`);
-        clearInterval(retryTimer);
-      }
-    }, 500);
-  },
-
-
   /**
    * Stops all video playback (YouTube and HTML5)
    * Used when navigating away from the home screen
@@ -2911,24 +2724,18 @@ const SlideshowManager = {
     const currentSlide = document.querySelector(`.slide[data-item-id="${currentItemId}"]`);
     if (!currentSlide) return;
 
-    // YouTube player: just resume, don't reload
+    // 1. Try YouTube Player
-    const ytPlayer = STATE.slideshow.videoPlayers?.[currentItemId];
+    const ytPlayer = STATE.slideshow.videoPlayers[currentItemId];
     if (ytPlayer && typeof ytPlayer.playVideo === 'function') {
-      if (STATE.slideshow.isMuted) {
-        if (typeof ytPlayer.mute === 'function') ytPlayer.mute();
-      } else {
-        if (typeof ytPlayer.unMute === 'function') ytPlayer.unMute();
-        if (typeof ytPlayer.setVolume === 'function') ytPlayer.setVolume(40);
-      }
       ytPlayer.playVideo();
-      return;
     }
 
-    // HTML5 video: just resume, don't reset currentTime
+    // 2. Try HTML5 Video
-    const html5Video = currentSlide.querySelector('video.video-backdrop');
+    const html5Video = currentSlide.querySelector('video');
     if (html5Video) {
-      html5Video.muted = STATE.slideshow.isMuted;
+      if (STATE.slideshow.isMuted) {
-      if (!STATE.slideshow.isMuted) html5Video.volume = 0.4;
+        html5Video.muted = true;
+      }
       html5Video.play().catch(e => console.warn("Error resuming HTML5 video:", e));
     }
   },
@@ -3003,7 +2810,7 @@ const SlideshowManager = {
       // Determine if we should handle navigation keys (Arrows, Space, M)
       // TV Mode: Strict focus required (must be on slideshow)
       // Desktop Mode: Loose focus allowed (slideshow OR body/nothing focused)
-      let canControlSlideshow = isTvMode ? hasDirectFocus : (hasDirectFocus || isBodyFocused);
+      const canControlSlideshow = isTvMode ? hasDirectFocus : (hasDirectFocus || isBodyFocused);
 
       // Check for Input Fields (always ignore typing)
       const isInputElement = activeElement && (activeElement.tagName === 'INPUT' || activeElement.tagName === 'TEXTAREA' || activeElement.isContentEditable);
@@ -3647,69 +3454,75 @@ const MediaBarEnhancedSettingsManager = {
  * Initialize page visibility handling to pause when tab is inactive
  */
 const initPageVisibilityHandler = () => {
-  document.addEventListener("visibilitychange", () => {
+  let wasVideoPlayingBeforeHide = false;
-    const isVideoPlayerOpen = document.querySelector('.videoPlayerContainer:not(.hide)') ||
-      document.querySelector('.youtubePlayerContainer:not(.hide)');
 
+  document.addEventListener("visibilitychange", () => {
     if (document.hidden) {
-      // Stop slide timer
+      console.log("Tab inactive - pausing slideshow and videos");
+      wasVideoPlayingBeforeHide = STATE.slideshow.isVideoPlaying;
+      
       if (STATE.slideshow.slideInterval) {
         STATE.slideshow.slideInterval.stop();
       }
-
+      
-      if (isVideoPlayerOpen) {
+      // Pause active video if playing
-        // Jellyfin video is playing --> full stop to free all resources
+      const currentItemId = STATE.slideshow.itemIds[STATE.slideshow.currentSlideIndex];
-        console.log("Tab inactive and Jellyfin player active - stopping all playback");
+      if (currentItemId) {
-        SlideshowManager.stopAllPlayback();
+        // YouTube
-      } else {
+        if (STATE.slideshow.videoPlayers && STATE.slideshow.videoPlayers[currentItemId]) {
-        // Simple tab switch: stop all others, pause only the current
+          const player = STATE.slideshow.videoPlayers[currentItemId];
-        console.log("Tab inactive. Pausing current video, stopping others");
+          if (typeof player.pauseVideo === "function") {
-        const currentItemId = STATE.slideshow.itemIds?.[STATE.slideshow.currentSlideIndex];
-
-        // Stop all players except the current one
-        if (STATE.slideshow.videoPlayers) {
-          Object.keys(STATE.slideshow.videoPlayers).forEach(id => {
-            if (id === currentItemId) return;
-            const p = STATE.slideshow.videoPlayers[id];
-            if (p) {
-              try {
-                if (typeof p.stopVideo === 'function') {
-                  p.stopVideo();
-                  if (typeof p.clearVideo === 'function') p.clearVideo();
-                } else if (p.tagName === 'VIDEO') {
-                  p.pause();
-                  p.muted = true;
-                  p.currentTime = 0;
-                }
-              } catch (e) { console.warn("Error stopping background player", id, e); }
-            }
-          });
-        }
-
-        // Pause only the current video
-        if (currentItemId) {
-          const player = STATE.slideshow.videoPlayers?.[currentItemId];
-          if (player) {
             try {
-              if (typeof player.pauseVideo === 'function') {
+              player.pauseVideo();
-                player.pauseVideo();
+              STATE.slideshow.isVideoPlaying = false;
-              } else if (player.tagName === 'VIDEO') {
+            } catch (e) {
-                player.pause();
+              console.warn("Error pausing video on tab hide:", e);
-              }
+            }
-            } catch (e) { console.warn("Error pausing video on tab hide:", e); }
+          } else if (player.tagName === 'VIDEO') { // HTML5 Video
+             player.pause();
+             STATE.slideshow.isVideoPlaying = false;
           }
         }
       }
     } else {
-      console.log("Tab active. Resuming slideshow");
+      console.log("Tab active - resuming slideshow");
-      const isOnHome = window.location.hash === "#/home.html" || window.location.hash === "#/home";
+      if (!STATE.slideshow.isPaused) {
-
+        const currentItemId = STATE.slideshow.itemIds[STATE.slideshow.currentSlideIndex];
-      if (isOnHome && !STATE.slideshow.isPaused && !isVideoPlayerOpen) {
+        
-        SlideshowManager.resumeActivePlayback();
+        if (wasVideoPlayingBeforeHide && currentItemId && STATE.slideshow.videoPlayers && STATE.slideshow.videoPlayers[currentItemId]) {
-
+          const player = STATE.slideshow.videoPlayers[currentItemId];
-        if (STATE.slideshow.slideInterval && !CONFIG.waitForTrailerToEnd) {
+          
-          STATE.slideshow.slideInterval.start();
+          // YouTube
+          if (typeof player.playVideo === "function") {
+            try {
+              player.playVideo();
+              STATE.slideshow.isVideoPlaying = true;
+            } catch (e) {
+              console.warn("Error resuming video on tab show:", e);
+              if (STATE.slideshow.slideInterval) {
+                STATE.slideshow.slideInterval.start();
+              }
+            }
+          } else if (player.tagName === 'VIDEO') { // HTML5 Video
+             try {
+                player.play().catch(e => console.warn("Error resuming HTML5 video:", e));
+                STATE.slideshow.isVideoPlaying = true;
+             } catch(e) { console.warn(e); }
+          }
+        } else {
+          // No video was playing, just restart interval
+          const activeSlide = document.querySelector('.slide.active');
+          const hasVideo = activeSlide && activeSlide.querySelector('.video-backdrop');
+          
+          if (CONFIG.waitForTrailerToEnd && hasVideo) {
+             // Don't restart interval if waiting for trailer
+          } else {
+             if (STATE.slideshow.slideInterval) {
+               STATE.slideshow.slideInterval.start();
+             }
+          }
         }
+        wasVideoPlayingBeforeHide = false;
       }
     }
   });