Claude: HighResolution mit Limit
This commit is contained in:
chk
145
public/viewer.js
145
public/viewer.js
@@ -5,9 +5,12 @@ const MODE = 'webrtc,mse,mjpeg';
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// ── Überwachungs-Parameter ───────────────────────────────────────────────────
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const MONITOR_INTERVAL = 2000; // ms zwischen Health-Checks
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const DROP_WARN = 0.10; // >10% verworfene Frames → gelb
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const DROP_CRIT = 0.30; // >30% verworfene Frames → rot
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const DROP_WARN = 0.10; // >10% verworfene Frames → gelb
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const DROP_CRIT = 0.30; // >30% verworfene Frames → rot
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const OVERLOAD_TICKS = 3; // so viele kritische Checks in Folge → Auto-Abschaltung
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const CONNECT_GRACE_MS = 25000; // so lange darf der Verbindungsaufbau dauern (kein Alarm)
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const WARMUP_MS = 15000; // Karenz nach 'playing', bis Überlast-Erkennung scharf wird
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const STATS_INTERVAL = 3000; // ms zwischen WebRTC-Diagnose-Logs (getStats)
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// ── Logging (Browser DevTools → Console → F12) ───────────────────────────────
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const P = '[WebcamViewer]';
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@@ -16,7 +19,7 @@ const warn = (c, m) => console.warn(`${P}[${c}] ⚠ ${m}`);
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const logErr = (c, m, e) => console.error(`${P}[${c}] ✗ ${m}`, e ?? '');
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let GO2RTC_PORT = 1984;
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const cameras = []; // { id, box, infoEl, toggleBtn, active, last, badTicks, autoOff }
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const cameras = []; // { id, box, infoEl, toggleBtn, active, startedAt, playingSince, last, badTicks, autoOff }
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// ── Stream starten / stoppen (durch Erzeugen/Entfernen des Elements) ─────────
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function startStream(cam) {
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@@ -24,19 +27,28 @@ function startStream(cam) {
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const wsUrl = `ws://${location.hostname}:${GO2RTC_PORT}/api/ws?src=${encodeURIComponent(cam.id)}`;
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log(cam.id, `Verbinde → ${wsUrl}`);
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cam.active = true;
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cam.startedAt = performance.now();
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cam.playingSince = null; // wird erst beim 'playing'-Event gesetzt
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cam.last = null;
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cam.badTicks = 0;
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const stream = document.createElement('video-stream');
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stream.mode = MODE;
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stream.addEventListener('playing', () => log(cam.id, '▶ Bild läuft'), true);
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// 'playing' = ab jetzt fließen wirklich Frames → Aufwärmphase startet
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stream.addEventListener('playing', () => {
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cam.playingSince = performance.now();
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cam.last = null;
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cam.badTicks = 0;
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log(cam.id, '▶ Bild läuft (Aufwärmphase startet)');
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}, true);
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stream.addEventListener('error', (e) => logErr(cam.id, 'Video-Fehler', e), true);
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stream.src = wsUrl;
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// Vor das Label einfügen, damit Overlays oben liegen
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cam.box.insertBefore(stream, cam.box.firstChild);
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cam.active = true;
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cam.last = null;
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cam.badTicks = 0;
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cam.box.insertBefore(stream, cam.box.firstChild); // Overlays bleiben oben
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cam.toggleBtn.textContent = '⏸';
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cam.toggleBtn.title = 'Stream ausschalten';
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setInfo(cam, 'verbindet…', '');
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}
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function stopStream(cam, auto = false) {
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@@ -44,9 +56,10 @@ function stopStream(cam, auto = false) {
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if (el) el.remove(); // disconnectedCallback schließt WS/PeerConnection
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cam.active = false;
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cam.autoOff = auto;
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cam.playingSince = null;
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cam.toggleBtn.textContent = '▶';
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cam.toggleBtn.title = 'Stream einschalten';
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setInfo(cam, auto ? 'auto-aus (überlastet)' : 'aus', 'crit');
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setInfo(cam, auto ? 'auto-aus (überlastet)' : 'aus', auto ? 'crit' : '');
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log(cam.id, auto ? 'AUTO-abgeschaltet (Browser überlastet)' : 'manuell aus');
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if (auto) showNotice();
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}
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@@ -57,24 +70,41 @@ function setInfo(cam, text, cls) {
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cam.infoEl.className = 'cam-info ' + (cls ?? '');
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}
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// Stream existiert, aber 'playing' noch nicht gefeuert → Verbindungsaufbau
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function showConnecting(cam) {
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const secs = Math.round((performance.now() - cam.startedAt) / 1000);
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if (secs < CONNECT_GRACE_MS / 1000) {
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setInfo(cam, `verbindet… ${secs}s`, ''); // grau, kein Alarm
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} else {
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setInfo(cam, 'kein Signal', 'crit'); // dauert zu lang – aber KEINE Auto-Abschaltung
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}
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// Wichtig: badTicks NICHT erhöhen, solange nicht stabil gespielt wird
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}
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// ── Monitor-Schleife: misst fps + verworfene Frames pro Kamera ───────────────
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function monitorTick() {
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const now = performance.now();
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cameras.forEach(cam => {
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if (!cam.active) return;
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const video = cam.box.querySelector('video');
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if (!video || typeof video.getVideoPlaybackQuality !== 'function') {
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setInfo(cam, 'läuft', 'ok');
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// (1) Noch kein Video / noch nicht "playing" → Verbindungsaufbau, nicht bewerten
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if (!video || typeof video.getVideoPlaybackQuality !== 'function' || cam.playingSince === null) {
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showConnecting(cam);
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return;
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}
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const warming = (now - cam.playingSince) < WARMUP_MS;
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const q = video.getVideoPlaybackQuality();
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const now = performance.now();
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const cur = { dropped: q.droppedVideoFrames, total: q.totalVideoFrames, t: now };
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// Beim ersten Tick (oder nach Neustart = Zähler zurückgesetzt) nur Baseline merken
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// Erster Messpunkt oder Zähler-Reset (Neustart) → nur Baseline merken
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if (!cam.last || cur.total < cam.last.total) {
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cam.last = cur;
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setInfo(cam, 'misst…', 'ok');
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setInfo(cam, warming ? 'startet…' : 'misst…', '');
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return;
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}
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@@ -83,26 +113,84 @@ function monitorTick() {
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const dSec = (cur.t - cam.last.t) / 1000;
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cam.last = cur;
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if (dTotal <= 0) { // kein neuer Frame → evtl. Freeze
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setInfo(cam, '⏳ keine Frames', 'warn');
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cam.badTicks++;
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if (dTotal <= 0) {
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// Keine neuen Frames im Intervall
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if (warming) {
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setInfo(cam, 'startet…', ''); // während Aufwärmen normal
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} else {
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setInfo(cam, '⏳ keine Frames', 'warn');
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cam.badTicks++;
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}
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} else {
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const fps = Math.round(dTotal / dSec);
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const ratio = dDropped / dTotal;
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const pct = Math.round(ratio * 100);
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const cls = ratio >= DROP_CRIT ? 'crit' : ratio >= DROP_WARN ? 'warn' : 'ok';
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setInfo(cam, `${fps} fps · ${pct}% drop`, cls);
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cam.badTicks = ratio >= DROP_CRIT ? cam.badTicks + 1 : 0;
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if (warming) {
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// Während Aufwärmphase: anzeigen, aber NICHT als Überlast werten
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const secs = Math.ceil((WARMUP_MS - (now - cam.playingSince)) / 1000);
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setInfo(cam, `startet… ${fps} fps (${secs}s)`, '');
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cam.badTicks = 0;
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} else {
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const cls = ratio >= DROP_CRIT ? 'crit' : ratio >= DROP_WARN ? 'warn' : 'ok';
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setInfo(cam, `${fps} fps · ${pct}% drop`, cls);
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cam.badTicks = ratio >= DROP_CRIT ? cam.badTicks + 1 : 0;
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}
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}
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// Auto-Schutz: anhaltende Überlast → diese Kamera abschalten
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if (cam.badTicks >= OVERLOAD_TICKS) {
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warn(cam.id, `überlastet (${cam.badTicks}× kritisch) → Auto-Abschaltung`);
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// Auto-Schutz greift NUR nach der Aufwärmphase
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if (!warming && cam.badTicks >= OVERLOAD_TICKS) {
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warn(cam.id, `überlastet (${cam.badTicks}× kritisch nach Aufwärmen) → Auto-Abschaltung`);
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stopStream(cam, true);
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}
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});
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}
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// ── WebRTC-Diagnose: lokalisiert WO Frames verloren gehen ────────────────────
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// Liest die inbound-rtp-Statistik der PeerConnection und loggt sie in die Console.
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// recv = Frames die ÜBER DAS NETZ ankommen → niedrig = Server liefert nicht (Encode-CPU)
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// decoded = davon dekodiert
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// dropped = beim Dekodieren verworfen → hoch = Client zu schwach (hier 10% CPU → unwahrscheinlich)
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// lost = verlorene Pakete / jitter → hoch = Netz/WiFi
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async function pollStats() {
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for (const cam of cameras) {
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if (!cam.active) continue;
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const el = cam.box.querySelector('video-stream');
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const pc = el && el.pc;
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if (!pc || typeof pc.getStats !== 'function') continue;
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let stats;
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try { stats = await pc.getStats(); } catch { continue; }
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let v = null;
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stats.forEach(r => { if (r.type === 'inbound-rtp' && r.kind === 'video') v = r; });
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if (!v) continue;
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const cur = {
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t: v.timestamp,
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frames: v.framesReceived ?? 0,
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decoded: v.framesDecoded ?? 0,
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dropped: v.framesDropped ?? 0,
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lost: v.packetsLost ?? 0,
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bytes: v.bytesReceived ?? 0,
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};
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const last = cam.statsLast;
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cam.statsLast = cur;
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if (!last || cur.t <= last.t) continue;
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const dt = (cur.t - last.t) / 1000;
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const recvPs = Math.round((cur.frames - last.frames) / dt);
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const decPs = Math.round((cur.decoded - last.decoded) / dt);
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const dropPs = Math.round((cur.dropped - last.dropped) / dt);
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const lostD = cur.lost - last.lost;
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const mbps = (((cur.bytes - last.bytes) * 8) / dt / 1e6).toFixed(2);
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const jit = v.jitter != null ? Math.round(v.jitter * 1000) : '?';
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const size = (v.frameWidth && v.frameHeight) ? `${v.frameWidth}x${v.frameHeight}` : '?';
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log(cam.id, `[stats] recv=${recvPs}/s decoded=${decPs}/s dropped=${dropPs}/s ` +
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`lost=+${lostD} jitter=${jit}ms ${size} ${mbps}Mbps`);
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}
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}
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// ── Hinweis-Banner bei Auto-Abschaltung ──────────────────────────────────────
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function showNotice() {
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const off = cameras.filter(c => c.autoOff && !c.active).map(c => c.id);
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@@ -150,7 +238,11 @@ function buildCamera(camId, container) {
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const toggle = document.createElement('button');
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toggle.className = 'cam-toggle';
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const cam = { id: camId, box, infoEl: info, toggleBtn: toggle, active: false, last: null, badTicks: 0, autoOff: false };
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const cam = {
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id: camId, box, infoEl: info, toggleBtn: toggle,
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active: false, startedAt: 0, playingSince: null, last: null, badTicks: 0, autoOff: false,
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statsLast: null,
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};
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toggle.onclick = () => { cam.autoOff = false; cam.active ? stopStream(cam) : startStream(cam); showNotice(); };
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box.appendChild(label);
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@@ -203,7 +295,8 @@ async function init() {
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statusText.textContent = `${camIds.length} Kamera${camIds.length !== 1 ? 's' : ''} · WebRTC`;
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setInterval(monitorTick, MONITOR_INTERVAL); // Health-Überwachung starten
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log('init', 'Fertig – Überwachung aktiv');
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setInterval(pollStats, STATS_INTERVAL); // WebRTC-Diagnose in die Console
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log('init', 'Fertig – Überwachung + Diagnose aktiv');
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}
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init();
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