From ed44ea45a09945809b9069cf9e54cac22ea1cd2c Mon Sep 17 00:00:00 2001
From: ashley <iamashley@duck.com>
Date: Mon, 6 Oct 2025 15:19:40 +0200
Subject: [PATCH] fix stuff + add stuff

---
 css/player-base.js | 862 +++++++++++++++++++--------------------------
 1 file changed, 357 insertions(+), 505 deletions(-)

diff --git a/css/player-base.js b/css/player-base.js
index 0faea588..7c2d3cd4 100644
--- a/css/player-base.js
+++ b/css/player-base.js
@@ -3,546 +3,398 @@ var _yt_player = videojs;
 
 var versionclient = "youtube.player.web_20250917_22_RC00"
 
-document.addEventListener("DOMContentLoaded", () => { 
-    // video.js 8 init - source can be seen in https://poketube.fun/static/vjs.min.js or the vjs.min.js file
-    const video = videojs('video', {
-        controls: true,
-        autoplay: false,
-        preload: 'auto',
-        errorDisplay: false,
-    });
+ document.addEventListener("DOMContentLoaded", () => {
+   const video = videojs('video', {
+    controls: true,
+    autoplay: false,
+    preload: 'auto',
+    errorDisplay: false,
+  });
 
-    // todo : remove this code lol
-    const qs = new URLSearchParams(window.location.search);
-    const qua = qs.get("quality") || "";
-    const vidKey = qs.get('v');
-    try { localStorage.setItem(`progress-${vidKey}`, 0); } catch {}
+  // --- DOM media elements ---
+  const videoEl = document.getElementById('video');          // native <video>
+  const audio = document.getElementById('aud');              // native <audio>
 
-    // raw media elements
-    const videoEl = document.getElementById('video');
-    const audio = document.getElementById('aud');
-    const audioEl = document.getElementById('aud');
-    let volGuard = false;
+  // keep audio invisible/non-focusable (less noticeable they are separate)
+  try {
+    audio.controls = false;
+    audio.tabIndex = -1;
+    audio.setAttribute('aria-hidden', 'true');
+    audio.style.position = 'absolute';
+    audio.style.width = '0';
+    audio.style.height = '0';
+    audio.style.overflow = 'hidden';
+  } catch {}
 
-    // FIX: ensure inline playback hint for iOS/Safari
-    try { videoEl.setAttribute('playsinline', ''); videoEl.setAttribute('webkit-playsinline', ''); } catch {}
+  // inline playback hints (iOS)
+  try { videoEl.setAttribute('playsinline', ''); videoEl.setAttribute('webkit-playsinline', ''); } catch {}
 
-    // global anti-ping-pong guard
-    let syncing = false; // prevents normal ping-pong
-    let restarting = false; // prevents loop-end ping-pong
+  // query flags
+  const qs  = new URLSearchParams(location.search);
+  const qua = qs.get('quality') || "";
+  let desiredLoop =
+    !!videoEl.loop ||
+    qs.get("loop") === "1" ||
+    qs.get("loop") === "true" ||
+    window.forceLoop === true;
 
-    // FIX: explicit loop-state variables
-    let desiredLoop =
-        !!videoEl.loop ||
-        qs.get("loop") === "1" ||
-        qs.get("loop") === "true" ||
-        window.forceLoop === true;
+  // always do the loop ourselves (so 'ended' fires and A/V stay locked)
+  try { videoEl.loop = false; videoEl.removeAttribute?.('loop'); } catch {}
+  try { audio.loop   = false; audio.removeAttribute?.('loop'); } catch {}
 
-    // FIX: tracks the short window *during* a loop restart
-    let suppressEndedUntil = 0;
+  // detect runtime loop attribute toggles, but keep native loop off
+  try {
+    new MutationObserver(muts => muts.forEach(m => {
+      if (m.type === 'attributes' && m.attributeName === 'loop') {
+        desiredLoop = videoEl.hasAttribute('loop') || !!videoEl.loop;
+        videoEl.removeAttribute('loop'); videoEl.loop = false;
+      }
+    })).observe(videoEl, {attributes:true, attributeFilter:['loop']});
+  } catch {}
 
-    // FIX: co-play tracking flags (true only when each element fires 'playing')
-    let vIsPlaying = false;
-    let aIsPlaying = false;
+  // --- state flags ---
+  let audioReady = false, videoReady = false;
+  let syncing = false, restarting = false;
+  let seekingInProgress = false;
+  let resumeAfterSeek = false;
+  let suppressEndedUntil = 0;
 
-    // remember mute states for temporary autoplay retries
-    let prevVideoMuted = false;
-    let prevAudioMuted = false;
-    let pendingUnmute = false;
+  // co-play tracking (true only after the 'playing' event)
+  let vIsPlaying = false, aIsPlaying = false;
 
-    // FIX: seeking coordination (prevents first-load seek ping-pong)
-    let seekingInProgress = false;
-    let resumeAfterSeek = false;
+  // arbiter/mirroring controls
+  let arbiterTimer = null;
+  const ARBITER_MS = 150;
+  let mismatchStrikes = 0;           // counts consecutive play/pause mismatches
+  const MISMATCH_LIMIT = 2;          // after 2 tries, stop mirroring to avoid ping-pong
+  let bridgeDisabled = false;        // short freezes during/after seek
+  let bridgeEnableTimer = null;
+  const BRIDGE_GRACE_MS = 600;
 
-    // FIX: bridge freeze to stop play/pause mirroring during/after seeks
-    let bridgeDisabled = false;
-    let bridgeEnableTimer = null;
-    const BRIDGE_GRACE_MS = 600;
-    function disableBridge(ms = BRIDGE_GRACE_MS) {
-        bridgeDisabled = true;
-        if (bridgeEnableTimer) clearTimeout(bridgeEnableTimer);
-        bridgeEnableTimer = setTimeout(() => { bridgeDisabled = false; }, ms);
-    }
+  function disableBridge(ms = BRIDGE_GRACE_MS) {
+    bridgeDisabled = true;
+    if (bridgeEnableTimer) clearTimeout(bridgeEnableTimer);
+    bridgeEnableTimer = setTimeout(() => { bridgeDisabled = false; }, ms);
+  }
 
-    // FIX: state arbiter watchdog (forces both to share same paused/playing state)
-    let arbiterTimer = null;
-    const ARBITER_MS = 150;
-    function startArbiter() {
-        if (arbiterTimer) clearInterval(arbiterTimer);
-        arbiterTimer = setInterval(() => {
-            if (syncing || restarting || seekingInProgress || bridgeDisabled) return;
+  // drift-corrector
+  let syncInterval = null;
+  const BIG_DRIFT = 0.5, MICRO_DRIFT = 0.05, SYNC_INTERVAL_MS = 250;
 
-            // treat "playing" strictly; ended counts as paused
-            const vPlaying = !video.paused() && !video.ended();
-            const aPlaying = !audio.paused && !audio.ended;
+  function clearSyncLoop() {
+    if (syncInterval) { clearInterval(syncInterval); syncInterval = null; }
+    try { audio.playbackRate = 1; } catch {}
+  }
+  function startSyncLoop() {
+    clearSyncLoop();
+    syncInterval = setInterval(() => {
+      const vt = Number(video.currentTime());
+      const at = Number(audio.currentTime);
+      if (!isFinite(vt) || !isFinite(at)) return;
+      const delta = vt - at;
+      if (Math.abs(delta) > BIG_DRIFT) {
+        try { audio.currentTime = vt; } catch {}
+        try { audio.playbackRate = 1; } catch {}
+      } else if (Math.abs(delta) > MICRO_DRIFT) {
+        try { audio.playbackRate = Math.max(0.85, Math.min(1.15, 1 + delta * 0.12)); } catch {}
+      } else {
+        try { audio.playbackRate = 1; } catch {}
+      }
+    }, SYNC_INTERVAL_MS);
+  }
 
-            // if exactly one is playing, pause the one that is playing (safe + deterministic)
-            if (vPlaying && !aPlaying) {
-                try { video.pause(); } catch {}
-            } else if (aPlaying && !vPlaying) {
-                try { audio.pause(); } catch {}
-            }
-        }, ARBITER_MS);
-    }
-    function stopArbiter() { if (arbiterTimer) { clearInterval(arbiterTimer); arbiterTimer = null; } }
-
-    // turn OFF native loop so 'ended' fires and we control both tracks together
-    try { videoEl.loop = false; videoEl.removeAttribute?.('loop'); } catch {}
-    try { audio.loop = false; audio.removeAttribute?.('loop'); } catch {}
-
-    // If someone toggles the <video loop> attribute at runtime, treat it as intent,
-    // but still keep native loop off (we loop manually to keep A/V locked).
+  // --- playable gates (MDN: readyState, buffered/seekable) ---
+  const EPS = 0.15;
+  function timeInRanges(r, t) {
     try {
-        const loopObserver = new MutationObserver(muts => {
-            for (const m of muts) {
-                if (m.type === 'attributes' && m.attributeName === 'loop') {
-                    desiredLoop = videoEl.hasAttribute('loop') || !!videoEl.loop;
-                    // keep native loop disabled to prevent double restarts / missing 'ended'
-                    videoEl.removeAttribute('loop');
-                    videoEl.loop = false;
-                }
-            }
-        });
-        loopObserver.observe(videoEl, { attributes: true, attributeFilter: ['loop'] });
+      if (!r || r.length === 0 || !isFinite(t)) return false;
+      for (let i=0;i<r.length;i++) {
+        const s = r.start(i) - EPS, e = r.end(i) + EPS;
+        if (t >= s && t <= e) return true;
+      }
     } catch {}
+    return false;
+  }
+  function canPlayAt(media, t) {
+    try {
+      const rs = Number(media.readyState || 0);           // HAVE_FUTURE_DATA=3
+      if (rs >= 3) return true;                           // ready to play soon
+      if (timeInRanges(media.buffered, t)) return true;   // already buffered
+      if (timeInRanges(media.seekable, t)) return true;   // seekable window
+      return false;
+    } catch { return false; }
+  }
+  function bothPlayableAt(t) { return canPlayAt(videoEl, t) && canPlayAt(audio, t); }
 
-    // resolve initial sources robustly (works whether <audio src> or <source> children are used)
-    const pickAudioSrc = () => {
-        const s = audio?.getAttribute?.('src');
-        if (s) return s;
-        const child = audio?.querySelector?.('source');
-        if (child?.getAttribute?.('src')) return child.getAttribute('src');
-        if (audio?.currentSrc) return audio.currentSrc;
-        return null;
-    };
-    let audioSrc = pickAudioSrc();
-
-    const srcObj = video.src();
-    const videoSrc = Array.isArray(srcObj) ? (srcObj[0] && srcObj[0].src) : srcObj;
-    const videoType = Array.isArray(srcObj) ? (srcObj[0] && srcObj[0].type) : undefined;
-
-    // readiness + sync state
-    let audioReady = false, videoReady = false;
-    let syncInterval = null;
-
-    // thresholds / constants
-    const BIG_DRIFT = 0.5;
-    const MICRO_DRIFT = 0.05;
-    const SYNC_INTERVAL_MS = 250;
-
-    const EPS = 0.15;
-    function timeInBuffered(media, t) {
-        try {
-            const br = media.buffered;
-            if (!br || br.length === 0 || !isFinite(t)) return false;
-            for (let i = 0; i < br.length; i++) {
-                const s = br.start(i) - EPS, e = br.end(i) + EPS;
-                if (t >= s && t <= e) return true;
-            }
-        } catch {}
-        return false;
-    }
-    function canPlayAt(media, t) {
-        try {
-            const rs = Number(media.readyState || 0);
-            if (!isFinite(t)) return false;
-            // HAVE_FUTURE_DATA (3) or better means imminent playback
-            if (rs >= 3) return true; // FIX: rely on readyState for can-play gate
-            return timeInBuffered(media, t);
-        } catch { return false; }
-    }
-    function bothPlayableAt(t) {
-        return canPlayAt(videoEl, t) && canPlayAt(audio, t);
-    }
-
-    function safeSetCT(media, t) {
-        try {
-            if (!isFinite(t) || t < 0) return;
-            // NOTE: expects a *native* media element (videoEl/audio), not the video.js player
-            media.currentTime = t;
-        } catch {}
-    }
-
-    function clearSyncLoop() {
-        if (syncInterval) {
-            clearInterval(syncInterval);
-            syncInterval = null;
-            try { audio.playbackRate = 1; } catch {}
-        }
-    }
-
-    function startSyncLoop() {
-        clearSyncLoop();
-        syncInterval = setInterval(() => {
-            const vt = Number(video.currentTime());
-            const at = Number(audio.currentTime);
-            if (!isFinite(vt) || !isFinite(at)) return;
-            const delta = vt - at;
-            if (Math.abs(delta) > BIG_DRIFT) {
-                safeSetCT(audio, vt);
-                try { audio.playbackRate = 1; } catch {}
-                return;
-            }
-            if (Math.abs(delta) > MICRO_DRIFT) {
-                const targetRate = 1 + (delta * 0.12);
-                try { audio.playbackRate = Math.max(0.85, Math.min(1.15, targetRate)); } catch {}
-            } else {
-                try { audio.playbackRate = 1; } catch {}
-            }
-        }, SYNC_INTERVAL_MS);
-    }
-
-    // FIX: co-play verification
-    const markVPlaying = () => { vIsPlaying = true; maybeUnmuteRestore(); };
-    const markAPlaying = () => { aIsPlaying = true; maybeUnmuteRestore(); };
-    const markVNotPlaying = () => { vIsPlaying = false; };
-    const markANotPlaying = () => { aIsPlaying = false; };
-
-    function bothActivelyPlaying() { return vIsPlaying && aIsPlaying; }
-
-    function maybeUnmuteRestore() {
-        if (!pendingUnmute) return;
-        if (bothActivelyPlaying()) {
-            pendingUnmute = false;
-            // small defer so decoders settle
-            setTimeout(() => {
-                try { video.muted(prevVideoMuted); } catch {}
-                try { audio.muted = prevAudioMuted; } catch {}
-            }, 120);
-        }
-    }
-
-    // FIX: unified play/pause coordinators (no ping-pong)
-    async function playTogether({ allowMutedRetry = true } = {}) {
-        if (syncing || restarting || seekingInProgress || bridgeDisabled) return; // FIX: don't start while seeking/bridged
-        syncing = true;
-        try {
-            // align clocks first
-            const t = Number(video.currentTime());
-            if (isFinite(t) && Math.abs(Number(audio.currentTime) - t) > 0.05) safeSetCT(audio, t);
-
-            // first attempt: keep existing mute states
-            let vOk = true, aOk = true;
-            try { const p = video.play(); if (p && p.then) await p; } catch { vOk = false; }
-            try { const p = audio.play(); if (p && p.then) await p; } catch { aOk = false; }
-
-            // if either failed due to autoplay policy, retry both muted exactly once
-            if (allowMutedRetry && (!vOk || !aOk)) {
-                prevVideoMuted = !!video.muted();
-                prevAudioMuted = !!audio.muted;
-                pendingUnmute = true;
-                try { video.muted(true); } catch {}
-                try { audio.muted = true; } catch {}
-
-                vOk = true; aOk = true;
-                try { const p = video.play(); if (p && p.then) await p; } catch { vOk = false; }
-                try { const p = audio.play(); if (p && p.then) await p; } catch { aOk = false; }
-            }
-
-            if (!syncInterval) startSyncLoop();
-        } finally {
-            syncing = false;
-        }
-    }
-
-    function pauseTogether() {
-        if (syncing) return;
-        syncing = true;
-        try {
-            try { video.pause(); } catch {}
-            try { audio.pause(); } catch {}
-            clearSyncLoop();
-        } finally {
-            syncing = false;
-        }
-    }
-
-    function tryStart() {
-        if (audioReady && videoReady && !restarting) {
-            const t = Number(video.currentTime());
-            if (isFinite(t) && Math.abs(Number(audio.currentTime) - t) > 0.1) safeSetCT(audio, t);
-            if (bothPlayableAt(t)) {
-                playTogether({ allowMutedRetry: true });
-            } else {
-                pauseTogether();
-            }
-            setupMediaSession();
-        }
-    }
-
-    function attachRetry(elm, resolveSrc, markReady) {
-        const src = resolveSrc?.();
-        const onLoaded = () => {
-            try { elm._didRetry = false; } catch {}
-            markReady();
-            tryStart();
-        };
-        elm.addEventListener('loadeddata', onLoaded, { once: true });
-        elm.addEventListener('loadedmetadata', onLoaded, { once: true });
-    }
-
-    function setupMediaSession() {
-        if ('mediaSession' in navigator) {
-            try {
-                navigator.mediaSession.metadata = new MediaMetadata({
-                    title: document.title || 'Video',
-                    artist: '',
-                    album: '',
-                    artwork: []
-                });
-            } catch {}
-
-            // Only control the *video* here; audio follows via coordinator
-            navigator.mediaSession.setActionHandler('play', () => { playTogether({ allowMutedRetry: true }); });
-            navigator.mediaSession.setActionHandler('pause', () => { pauseTogether(); });
-            navigator.mediaSession.setActionHandler('seekbackward', ({ seekOffset }) => {
-                const skip = seekOffset || 10;
-                const to = Math.max(0, Number(video.currentTime()) - skip);
-                video.currentTime(to);
-                safeSetCT(audio, to);
-            });
-            navigator.mediaSession.setActionHandler('seekforward', ({ seekOffset }) => {
-                const skip = seekOffset || 10;
-                const to = Number(video.currentTime()) + skip;
-                video.currentTime(to);
-                safeSetCT(audio, to);
-            });
-            navigator.mediaSession.setActionHandler('seekto', ({ seekTime, fastSeek }) => {
-                if (!isFinite(seekTime)) return;
-                if (fastSeek && 'fastSeek' in audio)
-                    try { audio.fastSeek(seekTime); } catch { safeSetCT(audio, seekTime); }
-                else safeSetCT(audio, seekTime);
-                video.currentTime(seekTime);
-            });
-            navigator.mediaSession.setActionHandler('stop', () => {
-                pauseTogether();
-                try { video.currentTime(0); } catch {}
-                try { audio.currentTime = 0; } catch {}
-            });
-        }
-    }
-
-    document.addEventListener('keydown', e => {
-        if (restarting) return;
-        switch (e.code) {
-            case 'AudioPlay':
-            case 'MediaPlayPause':
-                if (video.paused()) playTogether({ allowMutedRetry: true });
-                else pauseTogether();
-                break;
-            case 'AudioPause':
-                pauseTogether();
-                break;
-            case 'AudioNext':
-            case 'MediaTrackNext': {
-                const tFwd = Number(video.currentTime()) + 10;
-                video.currentTime(tFwd); safeSetCT(audio, tFwd);
-                break;
-            }
-            case 'AudioPrevious':
-            case 'MediaTrackPrevious': {
-                const tBwd = Math.max(0, Number(video.currentTime()) - 10);
-                video.currentTime(tBwd); safeSetCT(audio, tBwd);
-                break;
-            }
-        }
+  // wait-until helpers
+  function waitUntil(conditionFn, timeoutMs=800, stepMs=40) {
+    return new Promise(resolve => {
+      const start = performance.now();
+      (function tick(){
+        if (conditionFn()) return resolve(true);
+        if (performance.now() - start > timeoutMs) return resolve(false);
+        setTimeout(tick, stepMs);
+      })();
     });
+  }
+  const waitUntilPlayable = (t, to=1000) => waitUntil(() => bothPlayableAt(t), to, 40);
+  const waitBothPlaying   = (to=800)     => waitUntil(() => vIsPlaying && aIsPlaying, to, 30);
 
-    // FIX: one-time "unlock" to enable later programmatic plays on Safari/iOS
-    let mediaUnlocked = false;
-    const unlock = () => {
-        if (mediaUnlocked) return;
-        mediaUnlocked = true;
-        // Try a quick muted play/pause to grant future play permission
-        try { audio.muted = true; audio.play().then(() => { audio.pause(); }).catch(()=>{}); } catch {}
-        try { const was = !!video.muted(); video.muted(true); video.play().then(()=>{ video.pause(); video.muted(was); }).catch(()=>{}); } catch {}
-    };
-    window.addEventListener('click', unlock, { once: true, capture: true });
-    window.addEventListener('keydown', unlock, { once: true, capture: true });
+  // play/pause coordinators (single source of truth)
+  async function playTogether({ allowMutedRetry = true } = {}) {
+    if (syncing || restarting || seekingInProgress || bridgeDisabled) return;
+    syncing = true;
+    try {
+      // align clocks first
+      const t = Number(video.currentTime());
+      if (isFinite(t) && Math.abs(Number(audio.currentTime) - t) > 0.05) {
+        try { audio.currentTime = t; } catch {}
+      }
 
-    if (qua !== "medium") {
-        attachRetry(audio, pickAudioSrc, () => { audioReady = true; });
-        attachRetry(videoEl, () => {
-            const s = video.src();
-            return Array.isArray(s) ? (s[0] && s[0].src) : (s || videoSrc);
-        }, () => { videoReady = true; });
+      // attempt 1: keep existing mute states
+      let vOk = true, aOk = true;
+      try { await Promise.resolve(video.play()); } catch { vOk = false; }
+      try { await Promise.resolve(audio.play()); } catch { aOk = false; }
 
-        const clamp = v => Math.max(0, Math.min(1, Number(v)));
-        video.on('volumechange', () => {
-            try { audio.volume = clamp(video.volume()); audio.muted = video.muted(); } catch {}
+      // autoplay NotAllowedError guard: retry once with both muted
+      if (allowMutedRetry && (!vOk || !aOk)) {
+        const prevV = !!video.muted(), prevA = !!audio.muted;
+        try { video.muted(true); } catch {}
+        try { audio.muted = true; } catch {}
+        try { await Promise.resolve(video.play()); } catch {}
+        try { await Promise.resolve(audio.play()); } catch {}
+        // unmute after they're truly playing
+        waitBothPlaying(900).then(() => {
+          setTimeout(() => { try { video.muted(prevV); } catch {}; try { audio.muted = prevA; } catch {}; }, 120);
         });
-        // remove audio->video volume mirroring to avoid feedback loops
-        // audio.addEventListener('volumechange', () => { ... });
+      }
 
-        video.on('ratechange', () => { try { audio.playbackRate = video.playbackRate(); } catch {} });
+      if (!syncInterval) startSyncLoop();
+    } finally { syncing = false; }
+  }
+  function pauseTogether() {
+    if (syncing) return;
+    syncing = true;
+    try { try { video.pause(); } catch {}; try { audio.pause(); } catch {}; clearSyncLoop(); }
+    finally { syncing = false; }
+  }
 
-        // sync-safe event bridging using the coordinators (no ping-pong)
-        video.on('play', () => { 
-            if (seekingInProgress || bridgeDisabled) return; // FIX
-            vIsPlaying = true; 
-            if (!aIsPlaying) playTogether({ allowMutedRetry: true }); 
-        });
-        audio.addEventListener('play', () => { 
-            if (seekingInProgress || bridgeDisabled) return; // FIX
-            aIsPlaying = true; 
-            if (!vIsPlaying) playTogether({ allowMutedRetry: true }); 
-        });
+  // state arbiter: keep A/V in the same paused/playing state, but stop after 2 tries
+  function startArbiter() {
+    if (arbiterTimer) clearInterval(arbiterTimer);
+    arbiterTimer = setInterval(() => {
+      if (syncing || restarting || seekingInProgress || bridgeDisabled) return;
 
-        video.on('pause', () => { 
-            if (restarting || seekingInProgress || bridgeDisabled) return; // FIX
-            vIsPlaying = false; 
-            pauseTogether(); 
-        });
-        audio.addEventListener('pause', () => { 
-            if (restarting || seekingInProgress || bridgeDisabled) return; // FIX
-            aIsPlaying = false; 
-            pauseTogether(); 
-        });
+      const vPlaying = !video.paused() && !video.ended();
+      const aPlaying = !audio.paused && !audio.ended;
 
-        video.on('waiting', () => { 
-            if (restarting || seekingInProgress) return; // FIX
-            vIsPlaying = false; 
-            try { audio.pause(); } catch{}; 
-            clearSyncLoop(); 
-        });
-        audio.addEventListener('waiting', () => { aIsPlaying = false; });
+      if (vPlaying === aPlaying) {
+        mismatchStrikes = 0; // in sync; clear strikes
+        return;
+      }
 
-        video.on('playing', markVPlaying);
-        audio.addEventListener('playing', markAPlaying);
+      mismatchStrikes++;
+      if (mismatchStrikes >= MISMATCH_LIMIT) {
+        // Stop the thrash: pause both and freeze bridging briefly
+        pauseTogether();
+        disableBridge(1000);               // cool-down so UI doesn’t flicker
+        mismatchStrikes = 0;
+        return;
+      }
 
-        const errorBox = document.getElementById('loopedIndicator');
-        video.on('error', () => {
-            const mediaError = video.error();
-            let message = 'An unknown error occurred.';
-            if (mediaError) {
-                if (mediaError.code === 1) return;
-                message = `Error ${mediaError.code}: ${mediaError.message || 'No message provided'} try to refresh the page?`;
-            }
-            if (errorBox) {
-                errorBox.textContent = message;
-                errorBox.style.display = 'block';
-                errorBox.style.width = 'fit-content';
-            }
-        });
+      // single corrective nudge (deterministic: pause the one that is playing)
+      if (vPlaying && !aPlaying) { try { video.pause(); } catch {} }
+      else if (aPlaying && !vPlaying) { try { audio.pause(); } catch {} }
+    }, ARBITER_MS);
+  }
+  function stopArbiter(){ if (arbiterTimer) { clearInterval(arbiterTimer); arbiterTimer = null; } }
 
-        // FIX: tiny helper to wait until both are actually playable near a time
-        const waitUntilPlayable = (t, timeoutMs = 800) => new Promise(resolve => {
-            const start = performance.now();
-            const tick = () => {
-                if (bothPlayableAt(t)) return resolve(true);
-                if (performance.now() - start > timeoutMs) return resolve(false);
-                setTimeout(tick, 40);
-            };
-            tick();
-        });
+  // mirror volume/mute/rate (video is user-facing)
+  const clamp = v => Math.max(0, Math.min(1, Number(v)));
+  video.on('volumechange', () => {
+    try { audio.volume = clamp(video.volume()); audio.muted = video.muted(); } catch {}
+  });
+  video.on('ratechange', () => { try { audio.playbackRate = video.playbackRate(); } catch {} });
 
-        // FIX: wait for *both* to report 'playing' (true co-play), with a short timeout
-        const waitBothPlaying = (timeoutMs = 800) => new Promise(resolve => {
-            const start = performance.now();
-            const tick = () => {
-                if (vIsPlaying && aIsPlaying) return resolve(true);
-                if (performance.now() - start > timeoutMs) return resolve(false);
-                setTimeout(tick, 30);
-            };
-            tick();
-        });
+  // mark true playing from events (MDN 'playing' means decoding & rendering has started)
+  const markVPlaying = () => { vIsPlaying = true; };
+  const markAPlaying = () => { aIsPlaying = true; };
+  const markVNot     = () => { vIsPlaying = false; };
+  const markANot     = () => { aIsPlaying = false; };
 
-        // suppress spurious 'ended' right after seeks (mobile/browser quirk guard)
-        let wasPlayingBeforeSeek = false;
+  video.on('playing', markVPlaying);
+  audio.addEventListener('playing', markAPlaying);
+  video.on('pause',   markVNot);
+  audio.addEventListener('pause',   markANot);
+  video.on('waiting', markVNot);
+  audio.addEventListener('waiting', markANot);
+  video.on('ended',   markVNot);
+  audio.addEventListener('ended',   markANot);
 
-        video.on('seeking', () => {
-            if (restarting) return;
-            seekingInProgress = true;          // FIX
-            disableBridge(1200);               // FIX: freeze mirroring while the seek settles
-            wasPlayingBeforeSeek = !video.paused();
-            resumeAfterSeek = wasPlayingBeforeSeek; // FIX
-            pauseTogether();                   // FIX: atomically stop both sides during seek
-            const vt = Number(video.currentTime());
-            if (Math.abs(vt - Number(audio.currentTime)) > 0.1) safeSetCT(audio, vt);
-            vIsPlaying = false; aIsPlaying = false; // FIX
-            stopArbiter();                     // FIX: arbiter off during seek window
-        });
+  // media session: drive only the video; audio follows via coordinators
+  if ('mediaSession' in navigator) {
+    try {
+      navigator.mediaSession.metadata = new MediaMetadata({ title: document.title || 'Video' });
+    } catch {}
+    navigator.mediaSession.setActionHandler('play',  () => playTogether({allowMutedRetry:true}));
+    navigator.mediaSession.setActionHandler('pause', () => pauseTogether());
+    navigator.mediaSession.setActionHandler('seekbackward', ({seekOffset}) => {
+      const to = Math.max(0, Number(video.currentTime()) - (seekOffset || 10));
+      video.currentTime(to); try { audio.currentTime = to; } catch {}
+    });
+    navigator.mediaSession.setActionHandler('seekforward', ({seekOffset}) => {
+      const to = Number(video.currentTime()) + (seekOffset || 10);
+      video.currentTime(to); try { audio.currentTime = to; } catch {}
+    });
+    navigator.mediaSession.setActionHandler('seekto', ({seekTime}) => {
+      if (!isFinite(seekTime)) return;
+      try { audio.currentTime = seekTime; } catch {}
+      video.currentTime(seekTime);
+    });
+    navigator.mediaSession.setActionHandler('stop', () => {
+      pauseTogether();
+      try { video.currentTime(0); } catch {}
+      try { audio.currentTime = 0; } catch {}
+    });
+  }
 
-        video.on('seeked', async () => {
-            if (restarting) return;
-            const vt = Number(video.currentTime());
-            if (Math.abs(vt - Number(audio.currentTime)) > 0.05) safeSetCT(audio, vt);
-
-            // FIX: only resume once the new point is playable, then wait for both to be truly "playing"
-            if (resumeAfterSeek) {
-                await waitUntilPlayable(vt, 1000);
-                await playTogether({ allowMutedRetry: true });
-                await waitBothPlaying(900);
-            } else {
-                pauseTogether();
-            }
-
-            // FIX: re-enable bridge after short grace (prevents first-load ping-pong)
-            disableBridge(300);
-            seekingInProgress = false;
-            resumeAfterSeek = false;
-            startArbiter(); // back on
-        });
-
-        video.on('canplaythrough', () => {
-            if (restarting || seekingInProgress) return; // FIX
-            const vt = Number(video.currentTime());
-            if (Math.abs(vt - Number(audio.currentTime)) > 0.1) safeSetCT(audio, vt);
-        });
-        audio.addEventListener('canplaythrough', () => {
-            if (restarting || seekingInProgress) return; // FIX
-            const vt = Number(video.currentTime());
-            if (Math.abs(vt - Number(audio.currentTime)) > 0.1) safeSetCT(audio, vt);
-        });
-
-        // --- unconditional looping with anti-pingpong ---
-        async function restartLoop() {
-            if (restarting) return;
-            restarting = true;
-            try {
-                clearSyncLoop();
-                pauseTogether();
-
-                // tiny offset so 'ended' doesn't immediately refire
-                const startAt = 0.001;
-                suppressEndedUntil = performance.now() + 800;
-
-                video.currentTime(startAt);
-                safeSetCT(audio, startAt);
-
-                await waitUntilPlayable(startAt, 1000);
-                await playTogether({ allowMutedRetry: true });
-            } finally {
-                restarting = false;
-            }
-        }
-
-        video.on('ended', () => {
-            if (restarting) return;
-            if (performance.now() < suppressEndedUntil) return;
-            if (desiredLoop) restartLoop();
-            else { pauseTogether(); }
-        });
-        audio.addEventListener('ended', () => {
-            if (restarting) return;
-            if (performance.now() < suppressEndedUntil) return;
-            if (desiredLoop) restartLoop();
-            else { pauseTogether(); }
-        });
-
-        document.addEventListener('fullscreenchange', () => {
-            if (!document.fullscreenElement && !restarting) {
-                pauseTogether();
-            }
-        });
-
-        // FIX: start the state-arbiter watchdog
-        startArbiter();
+  // keyboard: toggle only via the coordinators
+  document.addEventListener('keydown', e => {
+    if (restarting) return;
+    switch (e.code) {
+      case 'AudioPlay':
+      case 'MediaPlayPause':
+        if (video.paused()) playTogether({allowMutedRetry:true});
+        else pauseTogether();
+        break;
+      case 'AudioPause':
+        pauseTogether(); break;
+      case 'AudioNext':
+      case 'MediaTrackNext': {
+        const to = Number(video.currentTime()) + 10;
+        video.currentTime(to); try { audio.currentTime = to; } catch {}
+        break;
+      }
+      case 'AudioPrevious':
+      case 'MediaTrackPrevious': {
+        const to = Math.max(0, Number(video.currentTime()) - 10);
+        video.currentTime(to); try { audio.currentTime = to; } catch {}
+        break;
+      }
     }
+  });
+
+  // first-gesture unlock for Safari/iOS (grants later programmatic play)
+  let mediaUnlocked = false;
+  const unlock = () => {
+    if (mediaUnlocked) return;
+    mediaUnlocked = true;
+    try { audio.muted = true; audio.play().then(()=>audio.pause()).catch(()=>{}); } catch {}
+    try { const was = !!video.muted(); video.muted(true); video.play().then(()=>{ video.pause(); video.muted(was); }).catch(()=>{}); } catch {}
+  };
+  window.addEventListener('click',  unlock, {once:true, capture:true});
+  window.addEventListener('keydown',unlock, {once:true, capture:true});
+
+  // readiness wiring
+  function attachReadyOnce(elm, markReady) {
+    const onLoaded = () => { markReady(); tryStart(); };
+    elm.addEventListener('loadeddata',     onLoaded, {once:true});
+    elm.addEventListener('loadedmetadata', onLoaded, {once:true});
+  }
+  attachReadyOnce(audio, () => { audioReady = true; });
+  attachReadyOnce(videoEl, () => { videoReady = true; });
+
+  function tryStart() {
+    if (!audioReady || !videoReady || restarting) return;
+    const t = Number(video.currentTime());
+    if (isFinite(t) && Math.abs(Number(audio.currentTime) - t) > 0.1) {
+      try { audio.currentTime = t; } catch {}
+    }
+    if (bothPlayableAt(t)) playTogether({allowMutedRetry:true});
+    startArbiter();
+  }
+
+  // SEEK: pause only if required; resume exactly once both ends are ready
+  let wasPlayingBeforeSeek = false;
+  video.on('seeking', () => {
+    if (restarting) return;
+    seekingInProgress = true;
+    disableBridge(1200);        // freeze mirroring around the seek
+    wasPlayingBeforeSeek = !video.paused();
+    const vt = Number(video.currentTime());
+
+    // if the new point is *already* playable for both, don't pause — just align
+    if (bothPlayableAt(vt)) {
+      try { audio.currentTime = vt; } catch {}
+      resumeAfterSeek = false;  // no need to resume; we never stopped
+    } else {
+      // not ready: stop both atomically and plan to resume when ready
+      pauseTogether();
+      resumeAfterSeek = wasPlayingBeforeSeek;
+      try { audio.currentTime = vt; } catch {}
+    }
+
+    vIsPlaying = false; aIsPlaying = false;
+    stopArbiter();
+  });
+
+  video.on('seeked', async () => {
+    if (restarting) return;
+    const vt = Number(video.currentTime());
+    if (Math.abs(vt - Number(audio.currentTime)) > 0.05) { try { audio.currentTime = vt; } catch {} }
+
+    if (resumeAfterSeek) {
+      // Gate on readiness; then play both and verify both hit 'playing'
+      await waitUntilPlayable(vt, 1200);
+      await playTogether({allowMutedRetry:true});
+      await waitBothPlaying(900);
+    }
+    // light cooldown so transient 'pause'/'play' echoes don't ping-pong
+    disableBridge(300);
+    seekingInProgress = false;
+    resumeAfterSeek = false;
+    startArbiter();
+  });
+
+  // errors
+  const errorBox = document.getElementById('loopedIndicator');
+  video.on('error', () => {
+    const err = video.error();
+    if (!err || err.code === 1) return;
+    const msg = `Error ${err.code}: ${err.message || 'No message provided'} try to refresh the page?`;
+    if (errorBox) { errorBox.textContent = msg; errorBox.style.display = 'block'; errorBox.style.width = 'fit-content'; }
+  });
+
+  // looping (manual to keep A/V locked)
+  async function restartLoop() {
+    if (restarting) return;
+    restarting = true;
+    try {
+      clearSyncLoop();
+      pauseTogether();
+
+      const startAt = 0.001;
+      suppressEndedUntil = performance.now() + 800;
+      try { video.currentTime(startAt); } catch {}
+      try { audio.currentTime = startAt; } catch {}
+
+      await waitUntilPlayable(startAt, 1000);
+      await playTogether({allowMutedRetry:true});
+    } finally { restarting = false; }
+  }
+  video.on('ended',  () => { if (!restarting && performance.now() >= suppressEndedUntil) { desiredLoop ? restartLoop() : pauseTogether(); } });
+  audio.addEventListener('ended', () => { if (!restarting && performance.now() >= suppressEndedUntil) { desiredLoop ? restartLoop() : pauseTogether(); } });
+
+  // exit fullscreen: stop both
+  document.addEventListener('fullscreenchange', () => {
+    if (!document.fullscreenElement && !restarting) pauseTogether();
+  });
+
+  // initial arbiter
+  startArbiter();
+
 });
  
- 
- 
  // https://codeberg.org/ashley/poke/src/branch/main/src/libpoketube/libpoketube-youtubei-objects.json