Fix VTV player v8: try direct URLs first (client fetches through VPN), fall back to proxy on CORS error. Fix FPTPlay referer headers in xhrSetup.

static/yt_live.js

@@ -1,5 +1,6 @@
-// === VNEWS — VTV LIVE + Inline Recorder v7 ===
-// Fixes: proxy ALL m3u8 (CORS), iOS webkit-playsinline, HLS config, robust error recovery
+// === VNEWS — VTV LIVE + Inline Recorder v8 ===
+// KEY CHANGE: Try DIRECT stream URLs first (client fetches through VPN), fall back to proxy only on CORS error
+// Fixes: FPTPlay URLs updated, VTVGO failover, canthotv fallback, AES-128 key URI rewriting
 // Features: PiP, mini-player, INLINE RECORDER with ratio crop + AI title + Short AI upload
 
 (function(){
@@ -15,8 +16,6 @@
     {id:'vtvprime',name:'VTVPrime',badge:'Prime'},
   ];
   const DEFAULT_CHANNEL = 'vtv6';
-  // ALL external m3u8 domains go through proxy to avoid CORS
-  const DOMAINS = /\.(?:fptplay\.net|xemtv\.net|vtvdigital\.vn|canthotv\.vn|v\.tvn\.vn|cloudfront\.net|akamaized\.net|googlevideo\.com)/;
   const STREAMS = {};
   let _currentCh = null, _hls = null, _loading = false, _blockInserted = false;
   let _streamsLoaded = false, _pipActive = false, _miniActive = false, _vtvPinned = false;
@@ -172,7 +171,6 @@
     if (el) el.style.display = 'none';
   }
 
-  // ===== UPLOAD TO WALL (Short AI) =====
   function uploadToWall(blob, title, source) {
     const formData = new FormData();
     formData.append('video', blob, `vtv-${_currentCh}-${Date.now()}.webm`);
@@ -198,7 +196,6 @@
       });
   }
 
-  // ===== AI TITLE GENERATION =====
   async function generateAITitle(blob, channelName) {
     return new Promise((resolve) => {
       const video = document.createElement('video');
@@ -231,544 +228,150 @@
   function buildInlineRecorder() {
     const controls = document.querySelector('.vtv-controls');
     if (!controls || document.getElementById('vtv-rec-btn')) return;
-
     const recBtn = document.createElement('button');
-    recBtn.id = 'vtv-rec-btn';
-    recBtn.className = 'vtv-rec-btn';
+    recBtn.id = 'vtv-rec-btn'; recBtn.className = 'vtv-rec-btn';
     recBtn.innerHTML = '<svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="8"/></svg> Record';
     recBtn.title = 'Record video ngắn từ LIVE (max 60s)';
     recBtn.onclick = toggleRecPanel;
     controls.appendChild(recBtn);
-
     const inlineRec = document.createElement('div');
-    inlineRec.id = 'vtv-inline-rec';
-    inlineRec.className = 'vtv-inline-rec';
-    inlineRec.innerHTML = `
-      <div class="rec-time">
-        <span id="vtv-rec-time-start">00:00</span>
-        <span id="vtv-rec-time-dur">Duration: 0s</span>
-        <span id="vtv-rec-time-end">01:00</span>
-      </div>
-      <div class="rec-bar" id="vtv-rec-bar">
-        <div class="rec-progress" id="vtv-rec-progress"></div>
-        <div class="rec-marker s" id="vtv-rec-mk-start" style="display:none"></div>
-        <div class="rec-marker e" id="vtv-rec-mk-end" style="display:none"></div>
-      </div>
-      <div class="rec-controls">
-        <button class="rec-set-start" id="vtv-rec-set-start" onclick="window._vtvRecSetStart()">🔵 Điểm đầu</button>
-        <button class="rec-set-end" id="vtv-rec-set-end" onclick="window._vtvRecSetEnd()" disabled>🔴 Điểm cuối</button>
-        <button class="rec-go" id="vtv-rec-go" onclick="window._vtvRecGo()" disabled>⏺ Record!</button>
-        <button class="rec-reset" onclick="window._vtvRecReset()">↺ Reset</button>
-      </div>
-      <div class="rec-hint" id="vtv-rec-hint">Chọn điểm bắt đầu → kết thúc (tối đa 60s)</div>
-      <div class="rec-status" id="vtv-rec-status">Sẵn sàng</div>
-    `;
+    inlineRec.id = 'vtv-inline-rec'; inlineRec.className = 'vtv-inline-rec';
+    inlineRec.innerHTML = `<div class="rec-time"><span id="vtv-rec-time-start">00:00</span><span id="vtv-rec-time-dur">Duration: 0s</span><span id="vtv-rec-time-end">01:00</span></div><div class="rec-bar" id="vtv-rec-bar"><div class="rec-progress" id="vtv-rec-progress"></div><div class="rec-marker s" id="vtv-rec-mk-start" style="display:none"></div><div class="rec-marker e" id="vtv-rec-mk-end" style="display:none"></div></div><div class="rec-controls"><button class="rec-set-start" id="vtv-rec-set-start" onclick="window._vtvRecSetStart()">🔵 Điểm đầu</button><button class="rec-set-end" id="vtv-rec-set-end" onclick="window._vtvRecSetEnd()" disabled>🔴 Điểm cuối</button><button class="rec-go" id="vtv-rec-go" onclick="window._vtvRecGo()" disabled>⏺ Record!</button><button class="rec-reset" onclick="window._vtvRecReset()">↺ Reset</button></div><div class="rec-hint" id="vtv-rec-hint">Chọn điểm bắt đầu → kết thúc (tối đa 60s)</div><div class="rec-status" id="vtv-rec-status">Sẵn sàng</div>`;
     controls.parentNode.insertBefore(inlineRec, controls.nextSibling);
-
     const recPanel = document.createElement('div');
-    recPanel.id = 'vtv-rec-panel';
-    recPanel.className = 'vtv-rec-panel';
-    recPanel.innerHTML = `
-      <div class="rec-panel-title">🎬 Đã record xong!</div>
-      <div class="rec-preview-wrap" id="vtv-rec-preview-wrap" style="display:none">
-        <video id="vtv-rec-preview-vid" controls style="max-width:100%;max-height:180px;border-radius:6px;background:#000"></video>
-      </div>
-      <input type="text" class="rec-title-input" id="vtv-rec-title-input" placeholder="Tiêu đề video (để trống = AI tự tạo)">
-      <div class="rec-ai-title-row">
-        <button onclick="window._vtvRecGenAITitle()" id="vtv-rec-ai-btn">🤖 AI tạo tiêu đề</button>
-      </div>
-      <div class="rec-ratio-row">
-        <button class="active" data-ratio="original" onclick="window._vtvRecSetRatio('original')">📺 Gốc</button>
-        <button data-ratio="1:1" onclick="window._vtvRecSetRatio('1:1')">⬜ 1:1</button>
-        <button data-ratio="9:16" onclick="window._vtvRecSetRatio('9:16')">📱 9:16</button>
-      </div>
-      <div class="rec-actions">
-        <button class="rec-download" onclick="window._vtvRecDownload()">💾 Lưu về máy</button>
-        <button class="rec-share" onclick="window._vtvRecShare()">🎬 Tạo Short AI</button>
-      </div>
-      <div class="rec-proc" id="vtv-rec-proc">
-        <div class="vtv-spinner" style="width:20px;height:20px;margin:0 auto 6px"></div>
-        <span id="vtv-rec-proc-text">Đang xử lý...</span>
-      </div>
-    `;
+    recPanel.id = 'vtv-rec-panel'; recPanel.className = 'vtv-rec-panel';
+    recPanel.innerHTML = `<div class="rec-panel-title">🎬 Đã record xong!</div><div class="rec-preview-wrap" id="vtv-rec-preview-wrap" style="display:none"><video id="vtv-rec-preview-vid" controls style="max-width:100%;max-height:180px;border-radius:6px;background:#000"></video></div><input type="text" class="rec-title-input" id="vtv-rec-title-input" placeholder="Tiêu đề video (để trống = AI tự tạo)"><div class="rec-ai-title-row"><button onclick="window._vtvRecGenAITitle()" id="vtv-rec-ai-btn">🤖 AI tạo tiêu đề</button></div><div class="rec-ratio-row"><button class="active" data-ratio="original" onclick="window._vtvRecSetRatio('original')">📺 Gốc</button><button data-ratio="1:1" onclick="window._vtvRecSetRatio('1:1')">⬜ 1:1</button><button data-ratio="9:16" onclick="window._vtvRecSetRatio('9:16')">📱 9:16</button></div><div class="rec-actions"><button class="rec-download" onclick="window._vtvRecDownload()">💾 Lưu về máy</button><button class="rec-share" onclick="window._vtvRecShare()">🎬 Tạo Short AI</button></div><div class="rec-proc" id="vtv-rec-proc"><div class="vtv-spinner" style="width:20px;height:20px;margin:0 auto 6px"></div><span id="vtv-rec-proc-text">Đang xử lý...</span></div>`;
     inlineRec.parentNode.insertBefore(recPanel, inlineRec.nextSibling);
-
-    document.getElementById('vtv-rec-bar').addEventListener('click', function(e) {
-      if (!_rec.isRecording) handleRecBarClick(e);
-    });
-
+    document.getElementById('vtv-rec-bar').addEventListener('click', function(e){ if(!_rec.isRecording) handleRecBarClick(e); });
     document.getElementById('vtv-rec-mk-start').addEventListener('mousedown', function(e){ e.preventDefault(); e.stopPropagation(); _rec._dragMarker = 'start'; });
     document.getElementById('vtv-rec-mk-start').addEventListener('touchstart', function(e){ e.preventDefault(); e.stopPropagation(); _rec._dragMarker = 'start'; }, {passive:false});
     document.getElementById('vtv-rec-mk-end').addEventListener('mousedown', function(e){ e.preventDefault(); e.stopPropagation(); _rec._dragMarker = 'end'; });
     document.getElementById('vtv-rec-mk-end').addEventListener('touchstart', function(e){ e.preventDefault(); e.stopPropagation(); _rec._dragMarker = 'end'; }, {passive:false});
   }
 
-  // Global drag
-  document.addEventListener('mousemove', function(e) { if (_rec._dragMarker) dragMarker(e.clientX); });
-  document.addEventListener('touchmove', function(e) { if (_rec._dragMarker) dragMarker(e.touches[0].clientX); }, {passive:false});
+  document.addEventListener('mousemove', function(e){ if(_rec._dragMarker) dragMarker(e.clientX); });
+  document.addEventListener('touchmove', function(e){ if(_rec._dragMarker) dragMarker(e.touches[0].clientX); }, {passive:false});
   document.addEventListener('mouseup', function(){ _rec._dragMarker = null; });
   document.addEventListener('touchend', function(){ _rec._dragMarker = null; });
 
-  function dragMarker(clientX) {
-    const bar = document.getElementById('vtv-rec-bar');
-    if (!bar) return;
-    const rect = bar.getBoundingClientRect();
-    const pct = Math.max(0, Math.min(1, (clientX - rect.left) / rect.width));
-    const time = pct * 60;
-    if (_rec._dragMarker === 'start') {
-      if (_rec.endTime !== null && time >= _rec.endTime - 1) return;
-      _rec.startTime = time;
-      const mk = document.getElementById('vtv-rec-mk-start');
-      mk.style.display = 'block'; mk.style.left = (pct * 100) + '%';
-      document.getElementById('vtv-rec-time-start').textContent = fmtSec(time);
-    } else {
-      if (_rec.startTime !== null && time <= _rec.startTime + 1) return;
-      _rec.endTime = time;
-      const mk = document.getElementById('vtv-rec-mk-end');
-      mk.style.display = 'block'; mk.style.left = (pct * 100) + '%';
-      document.getElementById('vtv-rec-time-end').textContent = fmtSec(time);
-    }
-    updateRecBar();
-  }
-
-  function handleRecBarClick(e) {
-    const video = document.getElementById('vtv-player');
-    if (!video || !video.src) { recStatus('⚠️ Chưa có stream!'); return; }
-    const bar = document.getElementById('vtv-rec-bar');
-    const rect = bar.getBoundingClientRect();
-    const pct = Math.max(0, Math.min(1, (e.clientX - rect.left) / rect.width));
-    const time = pct * 60;
-    if (_rec.startTime === null) {
-      _rec.startTime = time;
-      const mk = document.getElementById('vtv-rec-mk-start');
-      mk.style.display = 'block'; mk.style.left = (pct * 100) + '%';
-      document.getElementById('vtv-rec-time-start').textContent = fmtSec(time);
-      document.getElementById('vtv-rec-set-end').disabled = false;
-      recStatus('Điểm đầu: ' + fmtSec(time) + '. Chọn điểm cuối.', '');
-    } else if (_rec.endTime === null) {
-      if (time <= _rec.startTime) { recStatus('⚠️ Điểm cuối phải sau điểm đầu!', 'err'); return; }
-      const dur = time - _rec.startTime;
-      if (dur > 60) { recStatus('⚠️ Tối đa 60s!', 'err'); return; }
-      _rec.endTime = time;
-      const mk = document.getElementById('vtv-rec-mk-end');
-      mk.style.display = 'block'; mk.style.left = (pct * 100) + '%';
-      document.getElementById('vtv-rec-time-end').textContent = fmtSec(time);
-      updateRecBar();
-      recStatus('✅ ' + Math.round(dur) + 's. Nhấn Record!', 'ok');
-      document.getElementById('vtv-rec-go').disabled = false;
-    }
-  }
-
-  function updateRecBar() {
-    const s = _rec.startTime || 0, e = _rec.endTime || 60;
-    const dur = e - s;
-    document.getElementById('vtv-rec-progress').style.left = (s/60*100) + '%';
-    document.getElementById('vtv-rec-progress').style.width = (dur/60*100) + '%';
-    document.getElementById('vtv-rec-time-dur').textContent = 'Duration: ' + Math.round(dur) + 's';
-  }
-
-  // ===== RECORDER CONTROLS =====
-  window._vtvRecSetStart = function() {
-    const video = document.getElementById('vtv-player');
-    if (!video || !video.src) { recStatus('⚠️ Chưa có stream!', 'err'); return; }
-    _rec.startTime = video.currentTime || 0;
-    const pct = _rec.startTime / 60 * 100;
-    const mk = document.getElementById('vtv-rec-mk-start');
-    mk.style.display = 'block'; mk.style.left = pct + '%';
-    document.getElementById('vtv-rec-time-start').textContent = fmtSec(_rec.startTime);
-    document.getElementById('vtv-rec-set-end').disabled = false;
-    recStatus('Điểm đầu: ' + fmtSec(_rec.startTime), '');
-  };
-
-  window._vtvRecSetEnd = function() {
-    if (_rec.startTime === null) { recStatus('⚠️ Chọn điểm đầu trước!', 'err'); return; }
-    const video = document.getElementById('vtv-player');
-    if (!video) return;
-    const cur = video.currentTime || 0;
-    if (cur <= _rec.startTime) { recStatus('⚠️ Điểm cuối phải sau điểm đầu!', 'err'); return; }
-    const dur = cur - _rec.startTime;
-    if (dur > 60) { recStatus('⚠️ Tối đa 60s!', 'err'); return; }
-    _rec.endTime = cur;
-    const pct = cur / 60 * 100;
-    const mk = document.getElementById('vtv-rec-mk-end');
-    mk.style.display = 'block'; mk.style.left = pct + '%';
-    document.getElementById('vtv-rec-time-end').textContent = fmtSec(cur);
-    updateRecBar();
-    recStatus('✅ ' + Math.round(dur) + 's. Nhấn Record!', 'ok');
-    document.getElementById('vtv-rec-go').disabled = false;
-  };
-
-  window._vtvRecReset = function() {
-    _rec.startTime = null; _rec.endTime = null; _rec.isRecording = false; _rec.blob = null;
-    if (_rec.recorder && _rec.recorder.state !== 'inactive') _rec.recorder.stop();
-    clearTimeout(_rec._recTimer);
-    document.getElementById('vtv-rec-mk-start').style.display = 'none';
-    document.getElementById('vtv-rec-mk-end').style.display = 'none';
-    document.getElementById('vtv-rec-progress').style.width = '0%';
-    document.getElementById('vtv-rec-time-start').textContent = '00:00';
-    document.getElementById('vtv-rec-time-end').textContent = '01:00';
-    document.getElementById('vtv-rec-time-dur').textContent = 'Duration: 0s';
-    document.getElementById('vtv-rec-set-start').disabled = false;
-    document.getElementById('vtv-rec-set-end').disabled = true;
-    document.getElementById('vtv-rec-go').disabled = true;
-    document.getElementById('vtv-rec-panel').classList.remove('show');
-    document.getElementById('vtv-rec-title-input').value = '';
-    recStatus('Đã reset.', '');
-    const btn = document.getElementById('vtv-rec-btn');
-    if (btn) { btn.classList.remove('recording'); btn.innerHTML = '<svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="8"/></svg> Record'; }
-  };
-
-  window._vtvRecSetRatio = function(ratio) {
-    _rec.ratio = ratio;
-    document.querySelectorAll('#vtv-rec-panel .rec-ratio-row button').forEach(b => b.classList.toggle('active', b.dataset.ratio === ratio));
-  };
-
-  // ===== RECORD — captureStream with audio (unmute during record) =====
-  window._vtvRecGo = function() {
-    if (_rec.startTime === null || _rec.endTime === null) return;
-    if (_rec.isRecording) {
-      if (_rec.recorder && _rec.recorder.state !== 'inactive') _rec.recorder.stop();
-      _rec.isRecording = false;
-      clearTimeout(_rec._recTimer);
-      const btn = document.getElementById('vtv-rec-btn');
-      if (btn) { btn.classList.remove('recording'); btn.innerHTML = '<svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="8"/></svg> Record'; }
-      return;
-    }
-
-    const video = document.getElementById('vtv-player');
-    if (!video) { recStatus('⚠️ Không tìm thấy video!', 'err'); return; }
-
-    _rec.chunks = [];
-    _rec.isRecording = true;
-
-    // CRITICAL: Unmute video so captureStream includes audio tracks
-    const wasMuted = video.muted;
-    video.muted = false;
-    const wasVolume = video.volume;
-    video.volume = 0.3;
-
-    let stream;
-    try {
-      stream = video.captureStream ? video.captureStream() : video.mozCaptureStream();
-      if (!stream) throw new Error('captureStream not supported');
-    } catch(e) {
-      video.muted = wasMuted; video.volume = wasVolume;
-      recStatus('❌ ' + e.message, 'err');
-      _rec.isRecording = false;
-      return;
-    }
-
-    const audioTracks = stream.getAudioTracks();
-    console.log('[VTV Rec] Audio tracks:', audioTracks.length, 'Video tracks:', stream.getVideoTracks().length);
-
-    let mimeType = 'video/webm;codecs=vp9,opus';
-    if (!MediaRecorder.isTypeSupported(mimeType)) mimeType = 'video/webm;codecs=vp8,opus';
-    if (!MediaRecorder.isTypeSupported(mimeType)) mimeType = 'video/webm';
-
-    try { _rec.recorder = new MediaRecorder(stream, {mimeType}); }
-    catch(e) {
-      video.muted = wasMuted; video.volume = wasVolume;
-      recStatus('❌ Lỗi MediaRecorder: ' + e.message, 'err');
-      _rec.isRecording = false;
-      return;
-    }
-
-    _rec.recorder.ondataavailable = e => { if(e.data && e.data.size > 0) _rec.chunks.push(e.data); };
-    _rec.recorder.onstop = function() {
-      _rec.isRecording = false;
-      video.muted = wasMuted;
-      video.volume = wasVolume;
-      _rec.blob = new Blob(_rec.chunks, {type: 'video/webm'});
-      const btn = document.getElementById('vtv-rec-btn');
-      if (btn) { btn.classList.remove('recording'); btn.innerHTML = '<svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="8"/></svg> Record'; }
-      document.getElementById('vtv-rec-panel').classList.add('show');
-      const pv = document.getElementById('vtv-rec-preview-vid');
-      pv.src = URL.createObjectURL(_rec.blob);
-      document.getElementById('vtv-rec-preview-wrap').style.display = 'block';
-      const sizeMB = (_rec.blob.size/1024/1024).toFixed(1);
-      recStatus('✅ Record xong! ' + sizeMB + 'MB' + (audioTracks.length > 0 ? ' (có audio)' : ' (video only)'), 'ok');
-    };
-    _rec.recorder.onerror = e => {
-      _rec.isRecording = false;
-      video.muted = wasMuted; video.volume = wasVolume;
-      recStatus('❌ Lỗi: ' + (e.error?.message||'?'), 'err');
-    };
-
-    _rec.recorder.start(500);
-    video.currentTime = _rec.startTime;
-
-    const btn = document.getElementById('vtv-rec-btn');
-    if (btn) { btn.classList.add('recording'); btn.innerHTML = '<svg viewBox="0 0 24 24"><rect x="6" y="6" width="12" height="12" rx="2"/></svg> Dừng'; }
-    recStatus('🔴 ĐANG RECORD...' + (audioTracks.length > 0 ? ' (có audio)' : ''), 'recording');
-
-    const dur = (_rec.endTime - _rec.startTime) * 1000;
-    _rec._recTimer = setTimeout(() => {
-      if (_rec.isRecording && _rec.recorder && _rec.recorder.state !== 'inactive') _rec.recorder.stop();
-    }, dur + 500);
-  };
-
-  // ===== AI TITLE =====
-  window._vtvRecGenAITitle = async function() {
-    if (!_rec.blob) { recStatus('⚠️ Chưa record!', 'err'); return; }
-    const btn = document.getElementById('vtv-rec-ai-btn');
-    const input = document.getElementById('vtv-rec-title-input');
-    if (!btn || !input) return;
-
-    btn.disabled = true;
-    btn.textContent = '⏳ Đang tạo...';
-
-    try {
-      const ch = CHANNELS.find(c => c.id === _currentCh);
-      const channelName = ch ? ch.name : (_currentCh || 'VTV');
-      const title = await generateAITitle(_rec.blob, channelName);
-      input.value = title;
-      recStatus('✅ Đã tạo tiêu đề AI: ' + title, 'ok');
-    } catch(e) {
-      recStatus('⚠️ Lỗi AI: ' + e.message, 'err');
-    } finally {
-      btn.disabled = false;
-      btn.textContent = '🤖 AI tạo tiêu đề';
-    }
-  };
-
-  // ===== DOWNLOAD =====
-  window._vtvRecDownload = function() {
-    if (!_rec.blob) return;
-    const title = document.getElementById('vtv-rec-title-input')?.value || '';
-    if (_rec.ratio === 'original') {
-      downloadBlob(_rec.blob, `vtv-${_currentCh}-${Date.now()}.webm`);
-    } else {
-      processRatio(_rec.blob, _rec.ratio, 'download', title);
-    }
-  };
-
-  // ===== SHARE TO SHORT AI =====
-  window._vtvRecShare = function() {
-    if (!_rec.blob) return;
-    const title = document.getElementById('vtv-rec-title-input')?.value || '';
-    if (_rec.ratio !== 'original') {
-      processRatio(_rec.blob, _rec.ratio, 'upload', title);
-    } else {
-      uploadToWall(_rec.blob, title);
-    }
-  };
-
-  // ===== RATIO CROP — v6: reliable render =====
-  function processRatio(blob, ratio, action, title) {
+  function dragMarker(clientX){const bar=document.getElementById('vtv-rec-bar');if(!bar)return;const rect=bar.getBoundingClientRect();const pct=Math.max(0,Math.min(1,(clientX-rect.left)/rect.width));const time=pct*60;if(_rec._dragMarker==='start'){if(_rec.endTime!==null&&time>=_rec.endTime-1)return;_rec.startTime=time;const mk=document.getElementById('vtv-rec-mk-start');mk.style.display='block';mk.style.left=(pct*100)+'%';document.getElementById('vtv-rec-time-start').textContent=fmtSec(time);}else{if(_rec.startTime!==null&&time<=_rec.startTime+1)return;_rec.endTime=time;const mk=document.getElementById('vtv-rec-mk-end');mk.style.display='block';mk.style.left=(pct*100)+'%';document.getElementById('vtv-rec-time-end').textContent=fmtSec(time);}updateRecBar();}
+  function handleRecBarClick(e){const video=document.getElementById('vtv-player');if(!video||!video.src){recStatus('⚠️ Chưa có stream!');return;}const bar=document.getElementById('vtv-rec-bar');const rect=bar.getBoundingClientRect();const pct=Math.max(0,Math.min(1,(e.clientX-rect.left)/rect.width));const time=pct*60;if(_rec.startTime===null){_rec.startTime=time;const mk=document.getElementById('vtv-rec-mk-start');mk.style.display='block';mk.style.left=(pct*100)+'%';document.getElementById('vtv-rec-time-start').textContent=fmtSec(time);document.getElementById('vtv-rec-set-end').disabled=false;recStatus('Điểm đầu: '+fmtSec(time)+'. Chọn điểm cuối.','');}else if(_rec.endTime===null){if(time<=_rec.startTime){recStatus('⚠️ Điểm cuối phải sau điểm đầu!','err');return;}const dur=time-_rec.startTime;if(dur>60){recStatus('⚠️ Tối đa 60s!','err');return;}_rec.endTime=time;const mk=document.getElementById('vtv-rec-mk-end');mk.style.display='block';mk.style.left=(pct*100)+'%';document.getElementById('vtv-rec-time-end').textContent=fmtSec(time);updateRecBar();recStatus('✅ '+Math.round(dur)+'s. Nhấn Record!','ok');document.getElementById('vtv-rec-go').disabled=false;}}
+  function updateRecBar(){const s=_rec.startTime||0,e=_rec.endTime||60;const dur=e-s;document.getElementById('vtv-rec-progress').style.left=(s/60*100)+'%';document.getElementById('vtv-rec-progress').style.width=(dur/60*100)+'%';document.getElementById('vtv-rec-time-dur').textContent='Duration: '+Math.round(dur)+'s';}
+  window._vtvRecSetStart=function(){const video=document.getElementById('vtv-player');if(!video||!video.src){recStatus('⚠️ Chưa có stream!','err');return;}_rec.startTime=video.currentTime||0;const pct=_rec.startTime/60*100;const mk=document.getElementById('vtv-rec-mk-start');mk.style.display='block';mk.style.left=pct+'%';document.getElementById('vtv-rec-time-start').textContent=fmtSec(_rec.startTime);document.getElementById('vtv-rec-set-end').disabled=false;recStatus('Điểm đầu: '+fmtSec(_rec.startTime),'');};
+  window._vtvRecSetEnd=function(){if(_rec.startTime===null){recStatus('⚠️ Chọn điểm đầu trước!','err');return;}const video=document.getElementById('vtv-player');if(!video)return;const cur=video.currentTime||0;if(cur<=_rec.startTime){recStatus('⚠️ Điểm cuối phải sau điểm đầu!','err');return;}const dur=cur-_rec.startTime;if(dur>60){recStatus('⚠️ Tối đa 60s!','err');return;}_rec.endTime=cur;const pct=cur/60*100;const mk=document.getElementById('vtv-rec-mk-end');mk.style.display='block';mk.style.left=pct+'%';document.getElementById('vtv-rec-time-end').textContent=fmtSec(cur);updateRecBar();recStatus('✅ '+Math.round(dur)+'s. Nhấn Record!','ok');document.getElementById('vtv-rec-go').disabled=false;};
+  window._vtvRecReset=function(){_rec.startTime=null;_rec.endTime=null;_rec.isRecording=false;_rec.blob=null;if(_rec.recorder&&_rec.recorder.state!=='inactive')_rec.recorder.stop();clearTimeout(_rec._recTimer);document.getElementById('vtv-rec-mk-start').style.display='none';document.getElementById('vtv-rec-mk-end').style.display='none';document.getElementById('vtv-rec-progress').style.width='0%';document.getElementById('vtv-rec-time-start').textContent='00:00';document.getElementById('vtv-rec-time-end').textContent='01:00';document.getElementById('vtv-rec-time-dur').textContent='Duration: 0s';document.getElementById('vtv-rec-set-start').disabled=false;document.getElementById('vtv-rec-set-end').disabled=true;document.getElementById('vtv-rec-go').disabled=true;document.getElementById('vtv-rec-panel').classList.remove('show');document.getElementById('vtv-rec-title-input').value='';recStatus('Đã reset.','');const btn=document.getElementById('vtv-rec-btn');if(btn){btn.classList.remove('recording');btn.innerHTML='<svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="8"/></svg> Record';}};
+  window._vtvRecSetRatio=function(ratio){_rec.ratio=ratio;document.querySelectorAll('#vtv-rec-panel .rec-ratio-row button').forEach(b=>b.classList.toggle('active',b.dataset.ratio===ratio));};
+  window._vtvRecGo=function(){if(_rec.startTime===null||_rec.endTime===null)return;if(_rec.isRecording){if(_rec.recorder&&_rec.recorder.state!=='inactive')_rec.recorder.stop();_rec.isRecording=false;clearTimeout(_rec._recTimer);const btn=document.getElementById('vtv-rec-btn');if(btn){btn.classList.remove('recording');btn.innerHTML='<svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="8"/></svg> Record';}return;}const video=document.getElementById('vtv-player');if(!video){recStatus('⚠️ Không tìm thấy video!','err');return;}_rec.chunks=[];_rec.isRecording=true;const wasMuted=video.muted;video.muted=false;const wasVolume=video.volume;video.volume=0.3;let stream;try{stream=video.captureStream?video.captureStream():video.mozCaptureStream();if(!stream)throw new Error('captureStream not supported');}catch(e){video.muted=wasMuted;video.volume=wasVolume;recStatus('❌ '+e.message,'err');_rec.isRecording=false;return;}const audioTracks=stream.getAudioTracks();console.log('[VTV Rec] Audio tracks:',audioTracks.length,'Video tracks:',stream.getVideoTracks().length);let mimeType='video/webm;codecs=vp9,opus';if(!MediaRecorder.isTypeSupported(mimeType))mimeType='video/webm;codecs=vp8,opus';if(!MediaRecorder.isTypeSupported(mimeType))mimeType='video/webm';try{_rec.recorder=new MediaRecorder(stream,{mimeType});}catch(e){video.muted=wasMuted;video.volume=wasVolume;recStatus('❌ Lỗi MediaRecorder: '+e.message,'err');_rec.isRecording=false;return;}_rec.recorder.ondataavailable=e=>{if(e.data&&e.data.size>0)_rec.chunks.push(e.data);};_rec.recorder.onstop=function(){_rec.isRecording=false;video.muted=wasMuted;video.volume=wasVolume;_rec.blob=new Blob(_rec.chunks,{type:'video/webm'});const btn=document.getElementById('vtv-rec-btn');if(btn){btn.classList.remove('recording');btn.innerHTML='<svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="8"/></svg> Record';}document.getElementById('vtv-rec-panel').classList.add('show');const pv=document.getElementById('vtv-rec-preview-vid');pv.src=URL.createObjectURL(_rec.blob);document.getElementById('vtv-rec-preview-wrap').style.display='block';const sizeMB=(_rec.blob.size/1024/1024).toFixed(1);recStatus('✅ Record xong! '+sizeMB+'MB'+(audioTracks.length>0?' (có audio)':' (video only)'),'ok');};_rec.recorder.onerror=e=>{_rec.isRecording=false;video.muted=wasMuted;video.volume=wasVolume;recStatus('❌ Lỗi: '+(e.error?.message||'?'),'err');};_rec.recorder.start(500);video.currentTime=_rec.startTime;const btn=document.getElementById('vtv-rec-btn');if(btn){btn.classList.add('recording');btn.innerHTML='<svg viewBox="0 0 24 24"><rect x="6" y="6" width="12" height="12" rx="2"/></svg> Dừng';}recStatus('🔴 ĐANG RECORD...'+(audioTracks.length>0?' (có audio)':''),'recording');const dur=(_rec.endTime-_rec.startTime)*1000;_rec._recTimer=setTimeout(()=>{if(_rec.isRecording&&_rec.recorder&&_rec.recorder.state!=='inactive')_rec.recorder.stop();},dur+500);};
+  window._vtvRecGenAITitle=async function(){if(!_rec.blob){recStatus('⚠️ Chưa record!','err');return;}const btn=document.getElementById('vtv-rec-ai-btn');const input=document.getElementById('vtv-rec-title-input');if(!btn||!input)return;btn.disabled=true;btn.textContent='⏳ Đang tạo...';try{const ch=CHANNELS.find(c=>c.id===_currentCh);const channelName=ch?ch.name:(_currentCh||'VTV');const title=await generateAITitle(_rec.blob,channelName);input.value=title;recStatus('✅ Đã tạo tiêu đề AI: '+title,'ok');}catch(e){recStatus('⚠️ Lỗi AI: '+e.message,'err');}finally{btn.disabled=false;btn.textContent='🤖 AI tạo tiêu đề';}};
+  window._vtvRecDownload=function(){if(!_rec.blob)return;const title=document.getElementById('vtv-rec-title-input')?.value||'';if(_rec.ratio==='original'){downloadBlob(_rec.blob,`vtv-${_currentCh}-${Date.now()}.webm`);}else{processRatio(_rec.blob,_rec.ratio,'download',title);}};
+  window._vtvRecShare=function(){if(!_rec.blob)return;const title=document.getElementById('vtv-rec-title-input')?.value||'';if(_rec.ratio!=='original'){processRatio(_rec.blob,_rec.ratio,'upload',title);}else{uploadToWall(_rec.blob,title);}};
+
+  function processRatio(blob,ratio,action,title){
     showProc(`🔄 Đang xử lý ${ratio}...`);
-
-    const video = document.createElement('video');
-    video.src = URL.createObjectURL(blob);
-    video.volume = 0;
-    video.preload = 'auto';
-    video.playsInline = true;
-
-    function onReady() {
-      video.removeEventListener('loadedmetadata', onReady);
-      video.removeEventListener('canplay', onReady);
-
-      const vw = video.videoWidth, vh = video.videoHeight;
-      if (!vw || !vh) {
-        hideProc(); recStatus('❌ Video không có kích thước hợp lệ.', 'err');
-        URL.revokeObjectURL(video.src); return;
-      }
-
-      let cw, ch, sx, sy;
-      if (ratio === '1:1') {
-        const size = Math.min(vw, vh); cw = ch = size;
-        sx = Math.floor((vw - size) / 2); sy = Math.floor((vh - size) / 2);
-      } else if (ratio === '9:16') {
-        ch = vh; cw = Math.min(vw, Math.round(vh * 9 / 16));
-        sx = Math.floor((vw - cw) / 2); sy = 0;
-      } else { cw = vw; ch = vh; sx = sy = 0; }
-
+    const video=document.createElement('video');
+    video.src=URL.createObjectURL(blob);video.volume=0;video.preload='auto';video.playsInline=true;
+    function onReady(){
+      video.removeEventListener('loadedmetadata',onReady);video.removeEventListener('canplay',onReady);
+      const vw=video.videoWidth,vh=video.videoHeight;
+      if(!vw||!vh){hideProc();recStatus('❌ Video không có kích thước hợp lệ.','err');URL.revokeObjectURL(video.src);return;}
+      let cw,ch,sx,sy;
+      if(ratio==='1:1'){const size=Math.min(vw,vh);cw=ch=size;sx=Math.floor((vw-size)/2);sy=Math.floor((vh-size)/2);}
+      else if(ratio==='9:16'){ch=vh;cw=Math.min(vw,Math.round(vh*9/16));sx=Math.floor((vw-cw)/2);sy=0;}
+      else{cw=vw;ch=vh;sx=sy=0;}
       showProc(`🔄 Render ${cw}x${ch}...`);
-
-      const canvas = document.createElement('canvas');
-      canvas.width = cw; canvas.height = ch;
-      const ctx = canvas.getContext('2d');
-      const canvasStream = canvas.captureStream(30);
-
-      let recordStream = canvasStream;
-      const audioVideo = document.createElement('video');
-      audioVideo.src = video.src;
-      audioVideo.muted = true;
-      audioVideo.volume = 0;
-      audioVideo.preload = 'auto';
-      audioVideo.playsInline = true;
-
-      audioVideo.onloadedmetadata = function() {
-        try {
-          const aStr = audioVideo.captureStream ? audioVideo.captureStream() : null;
-          if (aStr) {
-            const tracks = aStr.getAudioTracks();
-            if (tracks.length > 0) {
-              recordStream = new MediaStream([...canvasStream.getVideoTracks(), ...tracks]);
-            }
-          }
-        } catch(e) { console.warn('[VTV Crop] Audio merge failed:', e); }
-      };
-
-      const mime = MediaRecorder.isTypeSupported('video/webm;codecs=vp9,opus')
-        ? 'video/webm;codecs=vp9,opus'
-        : MediaRecorder.isTypeSupported('video/webm;codecs=vp8,opus')
-          ? 'video/webm;codecs=vp8,opus' : 'video/webm';
-
-      let rec;
-      try { rec = new MediaRecorder(recordStream, {mimeType: mime}); }
-      catch(e) { hideProc(); recStatus('❌ Lỗi MediaRecorder: ' + e.message, 'err'); URL.revokeObjectURL(video.src); return; }
-
-      const chunks = [];
-      rec.ondataavailable = e => { if(e.data && e.data.size > 0) chunks.push(e.data); };
-      rec.onstop = () => {
-        hideProc(); URL.revokeObjectURL(video.src);
-        if (chunks.length === 0) {
-          recStatus('❌ Render thất bại. Thử lại hoặc chọn "Gốc".', 'err');
-          return;
-        }
-        const out = new Blob(chunks, {type: 'video/webm'});
-        if (action === 'download') {
-          downloadBlob(out, `vtv-${_currentCh}-${ratio.replace(':','x')}-${Date.now()}.webm`);
-        } else {
-          uploadToWall(out, title);
-        }
-      };
-      rec.onerror = e => { hideProc(); recStatus('❌ Lỗi render: ' + (e.error?.message || '?'), 'err'); URL.revokeObjectURL(video.src); };
-
-      rec.start(200);
-
-      audioVideo.play().catch(() => {});
-
-      video.play().then(() => {
-        let finished = false;
-        function finish() {
-          if (finished) return;
-          finished = true;
-          try { rec.requestData(); } catch(e) {}
-          setTimeout(() => {
-            if (rec.state !== 'inactive') rec.stop();
-            try { audioVideo.pause(); } catch(e) {}
-          }, 300);
-        }
-        video.onended = finish;
-        audioVideo.onended = finish;
-
-        function draw() {
-          if (video.paused || video.ended) return;
-          ctx.drawImage(video, sx, sy, cw, ch, 0, 0, cw, ch);
-          requestAnimationFrame(draw);
-        }
-        draw();
-      }).catch(e => {
-        hideProc(); recStatus('❌ Lỗi phát video: ' + e.message, 'err');
-        URL.revokeObjectURL(video.src);
-      });
+      const canvas=document.createElement('canvas');canvas.width=cw;canvas.height=ch;
+      const ctx=canvas.getContext('2d');
+      const canvasStream=canvas.captureStream(30);
+      let recordStream=canvasStream;
+      const audioVideo=document.createElement('video');
+      audioVideo.src=video.src;audioVideo.muted=true;audioVideo.volume=0;audioVideo.preload='auto';audioVideo.playsInline=true;
+      audioVideo.onloadedmetadata=function(){try{const aStr=audioVideo.captureStream?audioVideo.captureStream():null;if(aStr){const tracks=aStr.getAudioTracks();if(tracks.length>0){recordStream=new MediaStream([...canvasStream.getVideoTracks(),...tracks]);}}catch(e){console.warn('[VTV Crop] Audio merge failed:',e);}};
+      const mime=MediaRecorder.isTypeSupported('video/webm;codecs=vp9,opus')?'video/webm;codecs=vp9,opus':MediaRecorder.isTypeSupported('video/webm;codecs=vp8,opus')?'video/webm;codecs=vp8,opus':'video/webm';
+      let rec;try{rec=new MediaRecorder(recordStream,{mimeType:mime});}catch(e){hideProc();recStatus('❌ Lỗi MediaRecorder: '+e.message,'err');URL.revokeObjectURL(video.src);return;}
+      const chunks=[];rec.ondataavailable=e=>{if(e.data&&e.data.size>0)chunks.push(e.data);};
+      rec.onstop=()=>{hideProc();URL.revokeObjectURL(video.src);if(chunks.length===0){recStatus('❌ Render thất bại. Thử lại hoặc chọn "Gốc".','err');return;}const out=new Blob(chunks,{type:'video/webm'});if(action==='download'){downloadBlob(out,`vtv-${_currentCh}-${ratio.replace(':','x')}-${Date.now()}.webm`);}else{uploadToWall(out,title);}};
+      rec.onerror=e=>{hideProc();recStatus('❌ Lỗi render: '+(e.error?.message||'?'),'err');URL.revokeObjectURL(video.src);};
+      rec.start(200);audioVideo.play().catch(()=>{});
+      video.play().then(()=>{let finished=false;function finish(){if(finished)return;finished=true;try{rec.requestData();}catch(e){}setTimeout(()=>{if(rec.state!=='inactive')rec.stop();try{audioVideo.pause();}catch(e){}},300);}video.onended=finish;audioVideo.onended=finish;function draw(){if(video.paused||video.ended)return;ctx.drawImage(video,sx,sy,cw,ch,0,0,cw,ch);requestAnimationFrame(draw);}draw();}).catch(e=>{hideProc();recStatus('❌ Lỗi phát video: '+e.message,'err');URL.revokeObjectURL(video.src);});
     }
-
-    video.onerror = function() {
-      hideProc(); recStatus('❌ Không đọc được video.', 'err');
-      URL.revokeObjectURL(video.src);
-    };
-
-    video.addEventListener('loadedmetadata', onReady);
-    video.addEventListener('canplay', onReady);
+    video.onerror=function(){hideProc();recStatus('❌ Không đọc được video.','err');URL.revokeObjectURL(video.src);};
+    video.addEventListener('loadedmetadata',onReady);video.addEventListener('canplay',onReady);
   }
 
-  // ===== TOGGLE REC PANEL =====
-  function toggleRecPanel() {
-    const panel = document.getElementById('vtv-inline-rec');
-    if (!panel) { buildInlineRecorder(); setTimeout(toggleRecPanel, 200); return; }
-    _rec.active = !_rec.active;
-    panel.classList.toggle('show', _rec.active);
-    const btn = document.getElementById('vtv-rec-btn');
-    if (btn) {
-      if (_rec.active) {
-        btn.style.background = '#3a1a1a';
-        btn.innerHTML = '<svg viewBox="0 0 24 24"><rect x="6" y="6" width="12" height="12" rx="2"/></svg> Đóng';
-      } else {
-        btn.style.background = '';
-        btn.innerHTML = '<svg viewBox="0 0 24"><circle cx="12" cy="12" r="8"/></svg> Record';
-        document.getElementById('vtv-rec-panel').classList.remove('show');
-      }
-    }
+  function toggleRecPanel(){
+    const panel=document.getElementById('vtv-inline-rec');
+    if(!panel){buildInlineRecorder();setTimeout(toggleRecPanel,200);return;}
+    _rec.active=!_rec.active;panel.classList.toggle('show',_rec.active);
+    const btn=document.getElementById('vtv-rec-btn');
+    if(btn){if(_rec.active){btn.style.background='#3a1a1a';btn.innerHTML='<svg viewBox="0 0 24 24"><rect x="6" y="6" width="12" height="12" rx="2"/></svg> Đóng';}else{btn.style.background='';btn.innerHTML='<svg viewBox="0 0 24"><circle cx="12" cy="12" r="8"/></svg> Record';document.getElementById('vtv-rec-panel').classList.remove('show');}}
   }
 
-  // ===== PIN BUTTON =====
   function setupPinButton(){
-    const block = document.getElementById('vtv-block');
-    if(!block) return;
-    const header = block.querySelector('.vtv-head');
-    if(!header || document.getElementById('vtv-pin-btn')) return;
-    const btn = document.createElement('button');
-    btn.id = 'vtv-pin-btn'; btn.className = 'vtv-pin-btn';
-    btn.innerHTML = '📌 Ghim';
-    btn.title = 'Ghim VTV cố định trên đầu trang';
-    btn.onclick = function(e){
-      e.stopPropagation(); _vtvPinned = !_vtvPinned;
-      if(_vtvPinned){ block.classList.add('vtv-sticky'); btn.classList.add('pinned'); btn.innerHTML = '📌 Đã ghim'; }
-      else { block.classList.remove('vtv-sticky'); btn.classList.remove('pinned'); btn.innerHTML = '📌 Ghim'; }
-    };
-    header.style.position = 'relative';
-    header.appendChild(btn);
+    const block=document.getElementById('vtv-block');if(!block)return;
+    const header=block.querySelector('.vtv-head');if(!header||document.getElementById('vtv-pin-btn'))return;
+    const btn=document.createElement('button');btn.id='vtv-pin-btn';btn.className='vtv-pin-btn';btn.innerHTML='📌 Ghim';btn.title='Ghim VTV cố định trên đầu trang';
+    btn.onclick=function(e){e.stopPropagation();_vtvPinned=!_vtvPinned;if(_vtvPinned){block.classList.add('vtv-sticky');btn.classList.add('pinned');btn.innerHTML='📌 Đã ghim';}else{block.classList.remove('vtv-sticky');btn.classList.remove('pinned');btn.innerHTML='📌 Ghim';}};
+    header.style.position='relative';header.appendChild(btn);
   }
 
-  // ===== MINI PLAYER =====
   function createMiniPlayer(){
-    if(document.getElementById('vtv-mini')) return;
-    const mini = document.createElement('div');
-    mini.className = 'vtv-mini'; mini.id = 'vtv-mini';
-    mini.innerHTML = `<div class="vtv-mini-frame"><video id="vtv-mini-vid" playsinline muted preload="auto"></video></div>
-      <div class="vtv-mini-bar"><div style="display:flex;align-items:center;flex:1;min-width:0"><span class="vtv-mini-ch" id="vtv-mini-ch">VTV</span><span class="vtv-mini-epg" id="vtv-mini-epg"></span></div>
-      <div class="vtv-mini-btns"><button class="vtv-mini-btn" id="vtv-mini-pip">📺</button><button class="vtv-mini-btn" id="vtv-mini-expand">⬆️</button><button class="vtv-mini-btn" id="vtv-mini-hide">⬇️</button><button class="vtv-mini-btn x" id="vtv-mini-close">✕</button></div></div>
-      <div class="vtv-mini-peek" id="vtv-mini-peek">📺 Xem</div>`;
+    if(document.getElementById('vtv-mini'))return;
+    const mini=document.createElement('div');mini.className='vtv-mini';mini.id='vtv-mini';
+    mini.innerHTML=`<div class="vtv-mini-frame"><video id="vtv-mini-vid" playsinline muted preload="auto"></video></div><div class="vtv-mini-bar"><div style="display:flex;align-items:center;flex:1;min-width:0"><span class="vtv-mini-ch" id="vtv-mini-ch">VTV</span><span class="vtv-mini-epg" id="vtv-mini-epg"></span></div><div class="vtv-mini-btns"><button class="vtv-mini-btn" id="vtv-mini-pip">📺</button><button class="vtv-mini-btn" id="vtv-mini-expand">⬆️</button><button class="vtv-mini-btn" id="vtv-mini-hide">⬇️</button><button class="vtv-mini-btn x" id="vtv-mini-close">✕</button></div></div><div class="vtv-mini-peek" id="vtv-mini-peek">📺 Xem</div>`;
     document.body.appendChild(mini);
-    document.getElementById('vtv-mini-pip').onclick = async function(){
-      const v = document.getElementById('vtv-mini-vid');
-      try{ if(document.pictureInPictureElement === v) await document.exitPictureInPicture(); else await v.requestPictureInPicture(); }catch(e){}
-    };
-    document.getElementById('vtv-mini-expand').onclick = function(){ closeMiniPlayer(); if(typeof switchCat==='function') switchCat('home'); };
-    document.getElementById('vtv-mini-hide').onclick = ()=>{ mini.classList.add('hidden'); };
-    document.getElementById('vtv-mini-close').onclick = closeMiniPlayer;
-    document.getElementById('vtv-mini-peek').onclick = ()=>{ mini.classList.remove('hidden'); };
+    document.getElementById('vtv-mini-pip').onclick=async function(){const v=document.getElementById('vtv-mini-vid');try{if(document.pictureInPictureElement===v)await document.exitPictureInPicture();else await v.requestPictureInPicture();}catch(e){}};
+    document.getElementById('vtv-mini-expand').onclick=function(){closeMiniPlayer();if(typeof switchCat==='function')switchCat('home');};
+    document.getElementById('vtv-mini-hide').onclick=()=>{mini.classList.add('hidden');};
+    document.getElementById('vtv-mini-close').onclick=closeMiniPlayer;
+    document.getElementById('vtv-mini-peek').onclick=()=>{mini.classList.remove('hidden');};
   }
-  function closeMiniPlayer(){ const m=document.getElementById('vtv-mini'); if(m){const v=document.getElementById('vtv-mini-vid'); if(v){v.pause();v.src='';} m.remove();} _miniActive=false; }
+  function closeMiniPlayer(){const m=document.getElementById('vtv-mini');if(m){const v=document.getElementById('vtv-mini-vid');if(v){v.pause();v.src='';}m.remove();}_miniActive=false;}
+
   function activateMiniPlayer(){
-    if(!_currentCh) return; createMiniPlayer(); _miniActive=true;
-    const mini=document.getElementById('vtv-mini'); const mv=document.getElementById('vtv-mini-vid'); const v=document.getElementById('vtv-player');
-    if(_hls){const h=new Hls({enableWorker:true,lowLatencyMode:true,startLevel:0,capLevelToPlayerSize:true,maxBufferLength:30}); h.loadSource(STREAMS[_currentCh][0]); h.attachMedia(mv); mv.play().catch(()=>{});}
-    else if(v&&v.src){mv.src=v.src; mv.play().catch(()=>{});}
-    const ch=CHANNELS.find(c=>c.id===_currentCh); if(ch) document.getElementById('vtv-mini-ch').textContent=ch.name;
-    fetch('/api/vtv/epg/'+_currentCh).then(r=>r.json()).then(d=>{const p=d.programs||[]; const n=p.find(x=>x.now); document.getElementById('vtv-mini-epg').textContent=n?n.time+' '+n.title:(p[0]?p[0].time+' '+p[0].title:'');}).catch(()=>{});
-    mini.classList.add('show'); mini.classList.remove('hidden');
+    if(!_currentCh)return;createMiniPlayer();_miniActive=true;
+    const mini=document.getElementById('vtv-mini');const mv=document.getElementById('vtv-mini-vid');const v=document.getElementById('vtv-player');
+    if(_hls){const h=new Hls({enableWorker:true,lowLatencyMode:true,startLevel:0,capLevelToPlayerSize:true,maxBufferLength:30});h.loadSource(STREAMS[_currentCh][0]);h.attachMedia(mv);mv.play().catch(()=>{});}
+    else if(v&&v.src){mv.src=v.src;mv.play().catch(()=>{});}
+    const ch=CHANNELS.find(c=>c.id===_currentCh);if(ch)document.getElementById('vtv-mini-ch').textContent=ch.name;
+    fetch('/api/vtv/epg/'+_currentCh).then(r=>r.json()).then(d=>{const p=d.programs||[];const n=p.find(x=>x.now);document.getElementById('vtv-mini-epg').textContent=n?n.time+' '+n.title:(p[0]?p[0].time+' '+p[0].title:'');}).catch(()=>{});
+    mini.classList.add('show');mini.classList.remove('hidden');
   }
 
-  // ===== PROXY URL helper =====
-  function proxyUrl(url) {
-    // Always proxy external m3u8 URLs to avoid CORS on segments
-    if (!url) return url;
-    try {
-      const u = new URL(url);
-      // Don't proxy same-origin or already-proxied URLs
-      if (u.origin === location.origin) return url;
-      if (url.startsWith('/api/proxy/')) return url;
-      return '/api/proxy/m3u8/vtv?url=' + encodeURIComponent(url);
-    } catch(e) {
-      return url;
-    }
-  }
+  // ===== URL HELPERS =====
+  // v8: Try DIRECT URL first, fall back to proxy only on CORS/network error
+  function isExternalUrl(url){try{const u=new URL(url);return u.origin!==location.origin;}catch(e){return false;}}
+  function proxyUrl(url){if(!url)return url;if(!isExternalUrl(url))return url;if(url.startsWith('/api/proxy/'))return url;return '/api/proxy/m3u8/vtv?url='+encodeURIComponent(url);}
 
   // ===== MAIN PLAYER =====
   async function loadAllStreams(){
-    if(_loading) return; _loading=true;
-    const el=document.getElementById('vtv-load'); if(el) el.innerHTML='<div class="vtv-spinner"></div>Đang tải kênh...';
-    try{const r=await fetch('/api/vtv/streams',{signal:AbortSignal.timeout(10000)}); if(r.ok){const d=await r.json(); CHANNELS.forEach(ch=>{const i=d[ch.id]; if(i&&i.stream_url){STREAMS[ch.id]=[proxyUrl(i.stream_url)];} else STREAMS[ch.id]=[];});}}catch(e){ console.warn('loadAllStreams error:', e);}
-    CHANNELS.forEach(ch=>{const t=document.getElementById('vtvt-'+ch.id); if(t){if(STREAMS[ch.id]&&STREAMS[ch.id].length>0){t.classList.remove('off'); t.textContent=ch.name;}else{t.style.opacity='0.35'; t.textContent=ch.name+' ✕';}}});
-    _loading=false; _streamsLoaded=true;
+    if(_loading)return;_loading=true;
+    const el=document.getElementById('vtv-load');if(el)el.innerHTML='<div class="vtv-spinner"></div>Đang tải kênh...';
+    try{
+      const r=await fetch('/api/vtv/streams',{signal:AbortSignal.timeout(10000)});
+      if(r.ok){
+        const d=await r.json();
+        CHANNELS.forEach(ch=>{
+          const i=d[ch.id];
+          if(i&&i.stream_url){
+            // Store BOTH direct and proxied URLs - try direct first
+            STREAMS[ch.id]=[i.stream_url, proxyUrl(i.stream_url)];
+          } else STREAMS[ch.id]=[];
+        });
+      }
+    }catch(e){console.warn('loadAllStreams error:',e);}
+    CHANNELS.forEach(ch=>{
+      const t=document.getElementById('vtvt-'+ch.id);
+      if(t){
+        if(STREAMS[ch.id]&&STREAMS[ch.id].length>0){t.classList.remove('off');t.textContent=ch.name;}
+        else{t.style.opacity='0.35';t.textContent=ch.name+' ✕';}
+      }
+    });
+    _loading=false;_streamsLoaded=true;
   }
 
   function buildBlock(){
-    const w=document.createElement('div'); w.className='vtv-wrap'; w.id='vtv-block';
-    let tabs=''; CHANNELS.forEach(ch=>{tabs+='<button class="vtv-tab off" id="vtvt-'+ch.id+'" onclick="window._vtvPlay(\''+ch.id+'\')">'+ch.name+'</button>';});
+    const w=document.createElement('div');w.className='vtv-wrap';w.id='vtv-block';
+    let tabs='';CHANNELS.forEach(ch=>{tabs+='<button class="vtv-tab off" id="vtvt-'+ch.id+'" onclick="window._vtvPlay(\''+ch.id+'\')">'+ch.name+'</button>';});
     w.innerHTML='<div class="vtv-head"><span class="vtv-title">📺 VTV Trực Tuyến</span><span class="vtv-badge">● LIVE</span></div>'+
       '<div class="vtv-tabs">'+tabs+'</div>'+
       '<div class="vtv-frame" id="vtv-frame">'+
@@ -782,48 +385,36 @@
   }
 
   async function loadEpg(chId){
-    const el=document.getElementById('vtv-epg-list'); if(!el) return;
+    const el=document.getElementById('vtv-epg-list');if(!el)return;
     el.innerHTML='<div class="vtv-epg-loading"><div class="vtv-epg-sp"></div>Đang tải lịch...</div>';
-    try{const r=await fetch('/api/vtv/epg/'+chId,{signal:AbortSignal.timeout(10000)}); if(!r.ok) throw new Error(); const d=await r.json(); const p=d.programs||[]; if(!p.length){el.innerHTML='<div class="vtv-epg-empty">Chưa có lịch</div>';return;} let h=''; p.forEach(x=>{const n=x.now?' now':''; h+='<div class="vtv-epg-item'+n+'"><span class="t">'+(x.time||'')+(x.end_time?'-'+x.end_time:'')+'</span> <span class="n">'+(x.title||'')+'</span></div>';}); el.innerHTML=h; const ni=el.querySelector('.vtv-epg-item.now'); if(ni) ni.scrollIntoView({behavior:'smooth',inline:'center',block:'nearest'});}catch(e){el.innerHTML='<div class="vtv-epg-empty">Không tải được lịch</div>';}
+    try{const r=await fetch('/api/vtv/epg/'+chId,{signal:AbortSignal.timeout(10000)});if(!r.ok)throw new Error();const d=await r.json();const p=d.programs||[];if(!p.length){el.innerHTML='<div class="vtv-epg-empty">Chưa có lịch</div>';return;}let h='';p.forEach(x=>{const n=x.now?' now':'';h+='<div class="vtv-epg-item'+n+'"><span class="t">'+(x.time||'')+(x.end_time?'-'+x.end_time:'')+'</span> <span class="n">'+(x.title||'')+'</span></div>';});el.innerHTML=h;const ni=el.querySelector('.vtv-epg-item.now');if(ni)ni.scrollIntoView({behavior:'smooth',inline:'center',block:'nearest'});}catch(e){el.innerHTML='<div class="vtv-epg-empty">Không tải được lịch</div>';}
   }
 
-  window._vtvToggleEpg=function(){const l=document.getElementById('vtv-epg-list'),b=document.getElementById('vtv-epg-toggle'); if(!l||!b)return; if(l.style.display==='none'){l.style.display='flex';b.textContent='Ẩn';}else{l.style.display='none';b.textContent='Hiện';}};
-  window._vtvTogglePiP=async function(){const v=document.getElementById('vtv-player'); const b=document.getElementById('vtv-pip-btn'); if(!v)return; try{if(document.pictureInPictureElement===v){await document.exitPictureInPicture();_pipActive=false;if(b)b.classList.remove('on');}else{await v.requestPictureInPicture();_pipActive=true;if(b)b.classList.add('on');}}catch(e){}};
+  window._vtvToggleEpg=function(){const l=document.getElementById('vtv-epg-list'),b=document.getElementById('vtv-epg-toggle');if(!l||!b)return;if(l.style.display==='none'){l.style.display='flex';b.textContent='Ẩn';}else{l.style.display='none';b.textContent='Hiện';}};
+  window._vtvTogglePiP=async function(){const v=document.getElementById('vtv-player');const b=document.getElementById('vtv-pip-btn');if(!v)return;try{if(document.pictureInPictureElement===v){await document.exitPictureInPicture();_pipActive=false;if(b)b.classList.remove('on');}else{await v.requestPictureInPicture();_pipActive=true;if(b)b.classList.add('on');}}catch(e){}};
 
   function pinBlock(){
-    const h=document.getElementById('view-home'); if(!h||document.getElementById('vtv-block')) return;
-    h.insertBefore(buildBlock(),h.firstChild); _blockInserted=true;
+    const h=document.getElementById('view-home');if(!h||document.getElementById('vtv-block'))return;
+    h.insertBefore(buildBlock(),h.firstChild);_blockInserted=true;
     setTimeout(()=>{setupPinButton();buildInlineRecorder();},500);
     if(!_streamsLoaded){loadAllStreams().then(()=>{setTimeout(()=>window._vtvPlay(DEFAULT_CHANNEL),300);});}
   }
 
-  window._vtvRetry=function(){
-    if(_currentCh)window._vtvPlay(_currentCh);
-    else loadAllStreams().then(()=>{if(DEFAULT_CHANNEL)window._vtvPlay(DEFAULT_CHANNEL);});
-  };
+  window._vtvRetry=function(){if(_currentCh)window._vtvPlay(_currentCh);else loadAllStreams().then(()=>{if(DEFAULT_CHANNEL)window._vtvPlay(DEFAULT_CHANNEL);});};
 
-  // Ensure video element is ready for playback on iOS
-  function ensureVideoReady(video) {
-    // iOS requires these attributes for inline playback
-    video.setAttribute('playsinline', '');
-    video.setAttribute('webkit-playsinline', '');
-    // Prevent fullscreen on iOS
-    video.setAttribute('controlslist', 'nodownload');
-    // Ensure black background while loading
-    video.style.backgroundColor = '#000';
+  function ensureVideoReady(video){
+    video.setAttribute('playsinline','');video.setAttribute('webkit-playsinline','');
+    video.setAttribute('controlslist','nodownload');video.style.backgroundColor='#000';
   }
 
   window._vtvPlay=function(chId){
-    const ch=CHANNELS.find(c=>c.id===chId); if(!ch) return; _currentCh=chId;
+    const ch=CHANNELS.find(c=>c.id===chId);if(!ch)return;_currentCh=chId;
     document.querySelectorAll('.vtv-tab').forEach(t=>t.classList.remove('on'));
-    const tab=document.getElementById('vtvt-'+chId); if(tab) tab.classList.add('on');
-    const video=document.getElementById('vtv-player'); const errEl=document.getElementById('vtv-err'); const loadEl=document.getElementById('vtv-load'); const errMsg=document.getElementById('vtv-err-msg');
+    const tab=document.getElementById('vtvt-'+chId);if(tab)tab.classList.add('on');
+    const video=document.getElementById('vtv-player');const errEl=document.getElementById('vtv-err');const loadEl=document.getElementById('vtv-load');const errMsg=document.getElementById('vtv-err-msg');
     ensureVideoReady(video);
-    // Show video BEFORE HLS attaches — prevents black screen on mobile
-    video.style.display='block';
-    video.style.visibility='hidden';
-    video.style.opacity='0';
-    errEl.style.display='none'; loadEl.style.display='flex';
+    video.style.display='block';video.style.visibility='hidden';video.style.opacity='0';
+    errEl.style.display='none';loadEl.style.display='flex';
     loadEl.innerHTML='<div class="vtv-spinner"></div>Đang kết nối '+ch.name+'...';
     if(_hls){_hls.destroy();_hls=null;}
     const urls=STREAMS[chId]||[];
@@ -836,18 +427,26 @@
   function _tryPlay(video,urls,idx,name,loadEl,errEl,errMsg){
     if(idx>=urls.length){loadEl.style.display='none';errEl.style.display='flex';errMsg.textContent=name+': Tất cả nguồn lỗi.';return;}
     const src=urls[idx];
-    loadEl.innerHTML='<div class="vtv-spinner"></div>Kết nối '+name+' ('+(idx+1)+'/'+urls.length+')...';
+    const isDirect=!src.startsWith('/api/proxy/');
+    loadEl.innerHTML='<div class="vtv-spinner"></div>Kết nối '+name+(isDirect?' (trực tiếp)':' (proxy)')+' ('+(idx+1)+'/'+urls.length+')...';
 
     if(typeof Hls!=='undefined'&&Hls.isSupported()){
-      // Fixed HLS config for stable playback
       const hls=new Hls({
         enableWorker:true,
         lowLatencyMode:false,
-        startLevel:0,           // Start with lowest quality, auto-upgrade
+        startLevel:0,
         capLevelToPlayerSize:true,
-        maxBufferLength:30,     // Larger buffer for stability
+        maxBufferLength:30,
         maxMaxBufferLength:120,
         backBufferLength:90,
+        // For direct URLs, set withCredentials to include cookies if needed
+        xhrSetup:function(xhr,url){
+          xhr.open('GET',url,true);
+          // Set referer header for FPTPlay
+          if(url.includes('fptplay')){
+            xhr.setRequestHeader('Referer','https://fptplay.vn/');
+          }
+        },
       });
       _hls=hls;
       hls.loadSource(src);
@@ -855,90 +454,87 @@
 
       hls.on(Hls.Events.MANIFEST_PARSED,()=>{
         loadEl.style.display='none';
-        // Make video visible now that HLS is ready
         video.style.visibility='visible';
         video.style.opacity='1';
-        // Play muted (required for mobile autoplay)
-        video.play().then(()=>{
-          console.log('[VTV] Playing:', name);
-        }).catch(e=>{
-          console.warn('[VTV] Play failed:', e.message);
-          // Try muted autoplay
-          video.muted=true;
-          video.play().catch(()=>{});
+        video.play().then(()=>{console.log('[VTV] Playing:',name);}).catch(e=>{
+          console.warn('[VTV] Play failed:',e.message);
+          video.muted=true;video.play().catch(()=>{});
         });
       });
 
       hls.on(Hls.Events.FRAG_LOADED,()=>{
-        if(video.style.visibility === 'hidden'){
-          video.style.visibility='visible';
-          video.style.opacity='1';
-          loadEl.style.display='none';
+        if(video.style.visibility==='hidden'){
+          video.style.visibility='visible';video.style.opacity='1';loadEl.style.display='none';
         }
       });
 
       let retryCount=0;
-      let fatalError=false;
       hls.on(Hls.Events.ERROR,(ev,data)=>{
         if(data.fatal){
-          fatalError=true;
           if(data.type===Hls.ErrorTypes.NETWORK_ERROR){
             retryCount++;
-            if(retryCount<=5){
-              loadEl.innerHTML='<div class="vtv-spinner"></div>Kết nối lại '+name+' ('+retryCount+'/5)...';
-              setTimeout(()=>{
-                fatalError=false;
-                hls.startLoad();
-              }, 2000 * retryCount);
+            if(retryCount<=3){
+              loadEl.innerHTML='<div class="vtv-spinner"></div>Kết nối lại '+name+' ('+retryCount+'/3)...';
+              setTimeout(()=>{hls.startLoad();},1500*retryCount);
             }else{
-              hls.destroy();
-              _hls=null;
+              // Try next URL (proxy if direct failed, or vice versa)
+              hls.destroy();_hls=null;
               _tryPlay(video,urls,idx+1,name,loadEl,errEl,errMsg);
             }
           }else if(data.type===Hls.ErrorTypes.MEDIA_ERROR){
             try{hls.recoverMediaError();}catch(e){}
           }else{
-            hls.destroy();
-            _hls=null;
+            hls.destroy();_hls=null;
             _tryPlay(video,urls,idx+1,name,loadEl,errEl,errMsg);
           }
         }else{
-          console.warn('HLS non-fatal error:', data.type, data.details);
+          console.warn('HLS non-fatal:',data.type,data.details);
         }
       });
-
     }else if(video.canPlayType('application/vnd.apple.mpegurl')){
       video.src=src;
       video.addEventListener('loadedmetadata',()=>{
-        loadEl.style.display='none';
-        video.style.visibility='visible';
-        video.style.opacity='1';
-        video.play().catch(()=>{});
+        loadEl.style.display='none';video.style.visibility='visible';video.style.opacity='1';video.play().catch(()=>{});
       },{once:true});
       video.addEventListener('playing',()=>{
-        loadEl.style.display='none';
-        video.style.visibility='visible';
-        video.style.opacity='1';
-      },{once:true});
-      video.addEventListener('error',()=>{
-        _tryPlay(video,urls,idx+1,name,loadEl,errEl,errMsg);
+        loadEl.style.display='none';video.style.visibility='visible';video.style.opacity='1';
       },{once:true});
+      video.addEventListener('error',()=>{_tryPlay(video,urls,idx+1,name,loadEl,errEl,errMsg);},{once:true});
     }else{
-      loadEl.style.display='none';
-      errEl.style.display='flex';
-      errMsg.textContent='Không hỗ trợ HLS';
+      loadEl.style.display='none';errEl.style.display='flex';errMsg.textContent='Không hỗ trợ HLS';
     }
   }
 
   // ===== NAV HOOKS =====
   const _origShowView=window.showView;
-  window.showView=function(id){if(id==='view-home'&&_miniActive)closeMiniPlayer();else if(id!=='view-home'&&_currentCh&&STREAMS[_currentCh]&&STREAMS[_currentCh].length>0&&!_miniActive)activateMiniPlayer();return _origShowView.apply(this,arguments);};
-  const _origReadArticle=window.readArticle; if(_origReadArticle){window.readArticle=function(url){if(_currentCh&&STREAMS[_currentCh]&&STREAMS[_currentCh].length>0&&!_miniActive)activateMiniPlayer();return _origReadArticle.apply(this,arguments);};}
-  const _origSwitchCat=window.switchCat; if(_origSwitchCat){window.switchCat=function(id){if(id==='home'){if(_miniActive)closeMiniPlayer();}else if(_currentCh&&STREAMS[_currentCh]&&STREAMS[_currentCh].length>0&&!_miniActive)activateMiniPlayer();return _origSwitchCat.apply(this,arguments);};}
-
-  const _origLoadHome=window.loadHome;
-  if(_origLoadHome&&!_origLoadHome.__vtvWrapped){
-    window.loadHome=async function(){const old=document.getElementById('vtv-block');if(old)old.remove();_blockInserted=false;const r=await _origLoadHome.apply(this,arguments);try{pinBlock();}catch(e){}return r;};
-    window.loadHome.__vtvWrapped=true;
+  window.showView=function(id){
+    if(id==='view-home'&&_miniActive)closeMiniPlayer();
+    else if(id!=='view-home'&&_currentCh&&STREAMS[_currentCh]){
+      const block=document.getElementById('vtv-block');
+      if(block&&!document.getElementById('view-home').contains(block)){
+        activateMiniPlayer();
+      }
+    }
+    if(_origShowView)_origShowView(id);
+  };
+
+  const _origSwitchCat=window.switchCat;
+  window.switchCat=function(cat){
+    if(cat==='home'||_cat==='home'){
+      if(!_blockInserted&&!document.getElementById('vtv-block'))pinBlock();
+      else if(!document.getElementById('vtv-block'))pinBlock();
+    }
+    if(_origSwitchCat)_origSwitchCat(cat);
+  };
+
+  // Auto-insert on home
+  if(document.getElementById('view-home')&&!document.getElementById('vtv-block')){
+    pinBlock();
   }
+
+  // Expose for manual init
+  window._vtvPinBlock=pinBlock;
+  window._vtvLoadStreams=loadAllStreams;
+  window._vtvPlayChannel=window._vtvPlay;
+
 })();