feat: add interaction handling for autoplay block in video player

This reverts commit fa695da81b.

k-tv-backend/infra/src/jellyfin.rs

@@ -158,20 +158,18 @@ impl IMediaProvider for JellyfinMediaProvider {
 
     /// Build an HLS stream URL for a Jellyfin item.
     ///
-    /// Returns a `master.m3u8` playlist URL. HLS is preferred over a single
-    /// MP4 stream because hls.js `startPosition` can seek to the broadcast
-    /// offset before the first segment fetch, without byte-range seeking into
-    /// an in-progress transcode.
-    ///
-    /// `allowVideoStreamCopy=true` and `allowAudioStreamCopy=true` tell
-    /// Jellyfin to remux (not re-encode) content that is already H.264/AAC,
-    /// avoiding transcode cache file buildup. Content in other codecs will
-    /// still be transcoded to H.264/AAC for browser compatibility.
+    /// Returns a `master.m3u8` playlist URL. Jellyfin transcodes to H.264/AAC
+    /// segments on the fly. HLS is preferred over a single MP4 stream because
+    /// `StartTimeTicks` works reliably with HLS — each segment is independent,
+    /// so Jellyfin can begin the playlist at the correct broadcast offset
+    /// without needing to byte-range seek into an in-progress transcode.
     ///
     /// The API key is embedded so the player needs no separate auth header.
+    /// The caller (stream proxy route) appends `StartTimeTicks` when there is
+    /// a non-zero broadcast offset.
     async fn get_stream_url(&self, item_id: &MediaItemId) -> DomainResult<String> {
         Ok(format!(
-            "{}/Videos/{}/master.m3u8?videoCodec=h264&audioCodec=aac&allowVideoStreamCopy=true&allowAudioStreamCopy=true&mediaSourceId={}&api_key={}",
+            "{}/Videos/{}/master.m3u8?videoCodec=h264&audioCodec=aac&VideoBitRate=40000000&mediaSourceId={}&api_key={}",
             self.config.base_url,
             item_id.as_ref(),
             item_id.as_ref(),

k-tv-frontend/app/(main)/tv/components/video-player.tsx

@@ -18,6 +18,8 @@ interface VideoPlayerProps {
   subtitleTrack?: number;
   onStreamError?: () => void;
   onSubtitleTracksChange?: (tracks: SubtitleTrack[]) => void;
+  /** Called when the browser blocks autoplay and user interaction is required. */
+  onNeedsInteraction?: () => void;
 }
 
 const VideoPlayer = forwardRef<HTMLVideoElement, VideoPlayerProps>(
@@ -30,6 +32,7 @@ const VideoPlayer = forwardRef<HTMLVideoElement, VideoPlayerProps>(
       subtitleTrack = -1,
       onStreamError,
       onSubtitleTracksChange,
+      onNeedsInteraction,
     },
     ref,
   ) => {
@@ -69,7 +72,7 @@ const VideoPlayer = forwardRef<HTMLVideoElement, VideoPlayerProps>(
         hlsRef.current = hls;
 
         hls.on(Hls.Events.MANIFEST_PARSED, () => {
-          video.play().catch(() => {});
+          video.play().catch(() => onNeedsInteraction?.());
         });
 
         hls.on(Hls.Events.SUBTITLE_TRACKS_UPDATED, (_event, data) => {
@@ -95,7 +98,7 @@ const VideoPlayer = forwardRef<HTMLVideoElement, VideoPlayerProps>(
           "loadedmetadata",
           () => {
             if (initialOffset > 0) video.currentTime = initialOffset;
-            video.play().catch(() => {});
+            video.play().catch(() => onNeedsInteraction?.());
           },
           { once: true },
         );

k-tv-frontend/app/(main)/tv/page.tsx

@@ -56,6 +56,9 @@ export default function TvPage() {
   // Stream error recovery
   const [streamError, setStreamError] = useState(false);
 
+  // Autoplay blocked by browser — cleared on first interaction via resetIdle
+  const [needsInteraction, setNeedsInteraction] = useState(false);
+
   // Subtitles
   const [subtitleTracks, setSubtitleTracks] = useState<SubtitleTrack[]>([]);
   const [activeSubtitleTrack, setActiveSubtitleTrack] = useState(-1);
@@ -141,6 +144,7 @@ export default function TvPage() {
 
   const resetIdle = useCallback(() => {
     setShowOverlays(true);
+    setNeedsInteraction(false);
     if (idleTimer.current) clearTimeout(idleTimer.current);
     idleTimer.current = setTimeout(() => {
       setShowOverlays(false);
@@ -325,6 +329,7 @@ export default function TvPage() {
           subtitleTrack={activeSubtitleTrack}
           onSubtitleTracksChange={setSubtitleTracks}
           onStreamError={handleStreamError}
+          onNeedsInteraction={() => setNeedsInteraction(true)}
         />
       );
     }
@@ -348,6 +353,15 @@ export default function TvPage() {
       {/* ── Base layer ─────────────────────────────────────────────── */}
       <div className="absolute inset-0">{renderBase()}</div>
 
+      {/* ── Autoplay blocked prompt ─────────────────────────────────── */}
+      {needsInteraction && (
+        <div className="pointer-events-none absolute inset-0 z-20 flex items-center justify-center">
+          <div className="rounded-xl bg-black/70 px-8 py-5 text-center backdrop-blur-sm">
+            <p className="text-sm font-medium text-zinc-200">Click or move the mouse to play</p>
+          </div>
+        </div>
+      )}
+
       {/* ── Overlays — only when channels available ─────────────────── */}
       {channel && (
         <>