Dedupe live streams to one row per viewer and ignore probe sessions.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/admin-ui/src/app/streams/page.tsx

@@ -84,8 +84,8 @@ export default function StreamsPage() {
 
         <div className="card" style={{ marginBottom: "1rem" }}>
           <p className="muted" style={{ margin: 0 }}>
-            Alleen echte kijkers (bytes stromen). Stopt iemand → verdwijnt binnen ~3 minuten uit deze lijst.
+            Eén rij per kijker + titel. Alleen echte streams (&gt;512 KB). Stopt iemand → verdwijnt
-            Voortgang is een schatting op basis van range-positie in het bestand.
+            binnen ~3 minuten. Voortgang is een schatting op range-positie.
           </p>
         </div>
 

apps/master-api/src/admin/routes.ts

@@ -43,7 +43,7 @@ export async function registerAdminRoutes(app: FastifyInstance, config: Config)
           revoked: false,
           absoluteExpiresAt: { gt: new Date() },
           lastActivity: { gt: new Date(Date.now() - 3 * 60 * 1000) },
-          bytesSent: { gt: 0 },
+          bytesSent: { gt: 512n * 1024n },
         },
       }),
       prisma.node.findMany({
@@ -253,15 +253,16 @@ export async function registerAdminRoutes(app: FastifyInstance, config: Config)
       data: { status: "EXPIRED" },
     });
 
-    // Only recently active + actually streamed bytes (no prefetch ghosts).
+    // Alleen echte kijkers: >512KB gestreamd + recent actief.
     const liveSince = new Date(now.getTime() - 3 * 60 * 1000);
+    const minBytes = 512n * 1024n;
     const sessions = await prisma.playbackSession.findMany({
       where: {
         status: "ACTIVE",
         revoked: false,
         absoluteExpiresAt: { gt: now },
         lastActivity: { gt: liveSince },
-        bytesSent: { gt: 0 },
+        bytesSent: { gt: minBytes },
       },
       include: {
         node: { select: { id: true, name: true } },
@@ -279,8 +280,23 @@ export async function registerAdminRoutes(app: FastifyInstance, config: Config)
       take: 100,
     });
 
+    // Eén rij per kijker+titel (hoogste bytes wint) — niet per mediabestand.
+    const best = new Map<string, (typeof sessions)[number]>();
+    for (const s of sessions) {
+      const titleKey =
+        s.mediaFile.movieId ??
+        (s.mediaFile.episode
+          ? `ep:${s.mediaFile.episode.seriesId ?? ""}:${s.mediaFile.episode.seasonNumber}:${s.mediaFile.episode.episodeNumber}`
+          : s.mediaFileId);
+      const key = `${s.addonTokenId ?? s.id}:${titleKey}`;
+      const prev = best.get(key);
+      if (!prev || s.bytesSent > prev.bytesSent) best.set(key, s);
+    }
+
     return {
-      streams: sessions.map((s) => {
+      streams: [...best.values()]
+        .sort((a, b) => b.lastActivity.getTime() - a.lastActivity.getTime())
+        .map((s) => {
         const fileSize = Number(s.fileSizeBytes || s.mediaFile.sizeBytes || 0);
         const offset = Number(s.lastByteOffset || 0);
         const progressPercent =

apps/master-api/src/playback/service.ts

@@ -8,10 +8,42 @@ import { AppError } from "../security/errors";
 import { nodeConnectionManager } from "../websocket/manager";
 import type { Config } from "../config";
 
+type SessionResult = {
+  sessionId: string;
+  streamUrl: string;
+  token: string;
+  nodeId: string;
+  mediaFileId: string;
+};
+
+/** In-memory play tokens so concurrent Stremio probes reuse one session. */
+const playTokens = new Map<string, { token: string; sessionId: string }>();
+const createLocks = new Map<string, Promise<SessionResult>>();
+
+function sessionKey(addonTokenId: string | undefined, mediaFileId: string): string {
+  return `${addonTokenId || "anon"}:${mediaFileId}`;
+}
+
 export class PlaybackService {
   constructor(private readonly config: Config) {}
 
   async createSession(mediaFileId: string, userId?: string, addonTokenId?: string) {
+    const key = sessionKey(addonTokenId, mediaFileId);
+    const existingLock = createLocks.get(key);
+    if (existingLock) return existingLock;
+
+    const work = this.createSessionUnlocked(mediaFileId, userId, addonTokenId).finally(() => {
+      createLocks.delete(key);
+    });
+    createLocks.set(key, work);
+    return work;
+  }
+
+  private async createSessionUnlocked(
+    mediaFileId: string,
+    userId?: string,
+    addonTokenId?: string
+  ): Promise<SessionResult> {
     const mediaFile = await prisma.mediaFile.findUnique({
       where: { id: mediaFileId },
       include: { node: true },
@@ -29,10 +61,65 @@ export class PlaybackService {
       throw new AppError("NODE_OFFLINE", "Selected media node is unavailable", 503);
     }
 
+    const key = sessionKey(addonTokenId, mediaFileId);
+    const now = new Date();
+
+    // Reuse one live session per kijker + bestand (Stremio opent vaak meerdere Range/HEAD hits).
+    if (addonTokenId) {
+      const active = await prisma.playbackSession.findFirst({
+        where: {
+          addonTokenId,
+          mediaFileId: mediaFile.id,
+          status: "ACTIVE",
+          revoked: false,
+          absoluteExpiresAt: { gt: now },
+        },
+        orderBy: { lastActivity: "desc" },
+      });
+      const cached = playTokens.get(key);
+      if (
+        active &&
+        cached &&
+        cached.sessionId === active.id &&
+        hashToken(cached.token) === active.tokenHash
+      ) {
+        await prisma.playbackSession.update({
+          where: { id: active.id },
+          data: { lastActivity: now },
+        });
+        const streamUrl = `${mediaFile.node.publicStreamUrl.replace(/\/$/, "")}/play/${cached.token}`;
+        return {
+          sessionId: active.id,
+          streamUrl,
+          token: cached.token,
+          nodeId: mediaFile.nodeId,
+          mediaFileId: mediaFile.id,
+        };
+      }
+
+      // Oude parallelle sessies opruimen voordat we een nieuwe maken.
+      const stale = await prisma.playbackSession.findMany({
+        where: {
+          addonTokenId,
+          mediaFileId: mediaFile.id,
+          status: "ACTIVE",
+          revoked: false,
+        },
+        select: { id: true, nodeId: true },
+      });
+      for (const s of stale) {
+        await prisma.playbackSession.update({
+          where: { id: s.id },
+          data: { status: "COMPLETED" },
+        });
+        nodeConnectionManager.revokePlaybackSession(s.nodeId, s.id);
+      }
+      playTokens.delete(key);
+    }
+
     const token = generateSecureToken(32);
     const sessionId = generateSessionId();
     const tokenHash = hashToken(token);
-    const now = new Date();
     const absoluteExpiresAt = new Date(
       now.getTime() + this.config.PLAYBACK_ABSOLUTE_LIFETIME_SECONDS * 1000
     );
@@ -69,6 +156,7 @@ export class PlaybackService {
       throw new AppError("NODE_OFFLINE", "Failed to register session on node", 503);
     }
 
+    playTokens.set(key, { token, sessionId });
     const streamUrl = `${mediaFile.node.publicStreamUrl.replace(/\/$/, "")}/play/${token}`;
 
     return {
@@ -97,6 +185,10 @@ export class PlaybackService {
       data: { status: "REVOKED", revoked: true },
     });
 
+    for (const [key, val] of playTokens) {
+      if (val.sessionId === sessionId) playTokens.delete(key);
+    }
+
     nodeConnectionManager.revokePlaybackSession(session.nodeId, sessionId);
   }
 

deploy/docker/Dockerfile.master-api

@@ -7,8 +7,8 @@ WORKDIR /src
 RUN apk add --no-cache git ca-certificates
 COPY node/media-node/ ./
 RUN go mod tidy \
- && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X main.version=1.2.8" -o /media-node-linux-amd64 ./cmd/media-node \
+ && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X main.version=1.2.9" -o /media-node-linux-amd64 ./cmd/media-node \
- && CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags="-s -w -X main.version=1.2.8" -o /media-node-linux-arm64 ./cmd/media-node
+ && CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags="-s -w -X main.version=1.2.9" -o /media-node-linux-arm64 ./cmd/media-node
 
 FROM base AS builder
 COPY package.json pnpm-workspace.yaml ./

node/media-node/internal/streaming/server.go

@@ -295,17 +295,17 @@ func (s *Server) noteProgress(sessionID string, offset, fileSize, deltaBytes int
 	}
 	if deltaBytes > 0 {
 		st.bytesSent += deltaBytes
-	} else if st.bytesSent == 0 && force {
+		// Alleen offset bijwerken bij echte data — voorkomt 100% door 1-byte end-of-file probes.
-		// Mark as live even before first chunk (Range open).
+		if offset > st.lastOffset {
-		st.bytesSent = 1
-	}
-	if offset >= st.lastOffset {
 			st.lastOffset = offset
 		}
+	}
 	if fileSize > 0 {
 		st.fileSize = fileSize
 	}
-	shouldReport := force || time.Since(st.lastReport) >= 3*time.Second
+	shouldReport := (deltaBytes > 0 || force) &&
+		st.bytesSent > 0 &&
+		(force || time.Since(st.lastReport) >= 3*time.Second)
 	bytesSent := st.bytesSent
 	lastOffset := st.lastOffset
 	size := st.fileSize