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seawolf2357 commited on Dec 10, 2025

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32d6432

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1 Parent(s): a70a34b

Create app.py

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app.py +769 -0

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+"""
+Simple Video Editor - Canvas 기반 렌더링
+빈 프레임 문제 완전 해결
+"""
+import gradio as gr
+import base64
+import os
+import json
+def get_editor_html(media_data="[]"):
+    return f'''<!DOCTYPE html>
+<html lang="ko">
+<head>
+<meta charset="UTF-8">
+<style>
+*{{margin:0;padding:0;box-sizing:border-box}}
+body{{font-family:-apple-system,BlinkMacSystemFont,sans-serif;background:#f5f5f7;font-size:13px}}
+.editor{{display:flex;flex-direction:column;height:100vh}}
+.toolbar{{height:44px;background:#fff;border-bottom:1px solid #ddd;display:flex;align-items:center;justify-content:space-between;padding:0 12px}}
+.toolbar-title{{font-size:15px;font-weight:600}}
+.btn{{padding:5px 10px;border:none;border-radius:5px;cursor:pointer;font-size:11px;font-weight:500}}
+.btn-secondary{{background:#f0f0f0;color:#333}}
+.btn-secondary:hover{{background:#e0e0e0}}
+.btn-success{{background:#10b981;color:#fff}}
+.btn-danger{{background:#ef4444;color:#fff}}
+.main{{display:flex;flex:1;overflow:hidden}}
+.library{{width:160px;background:#fff;border-right:1px solid #ddd;display:flex;flex-direction:column}}
+.lib-header{{padding:8px;border-bottom:1px solid #eee;font-size:10px;font-weight:600;color:#666}}
+.lib-content{{flex:1;overflow-y:auto;padding:6px}}
+.lib-hint{{text-align:center;padding:15px;color:#999;font-size:10px}}
+.media-grid{{display:grid;grid-template-columns:repeat(2,1fr);gap:4px}}
+.media-item{{aspect-ratio:16/9;background:#f0f0f0;border-radius:4px;overflow:hidden;cursor:grab;position:relative;border:1px solid #e0e0e0}}
+.media-item:hover{{border-color:#6366f1}}
+.media-item img{{width:100%;height:100%;object-fit:cover}}
+.media-item-icon{{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:18px}}
+.media-item-dur{{position:absolute;top:2px;right:2px;background:rgba(0,0,0,0.7);padding:1px 3px;border-radius:2px;font-size:8px;color:#fff}}
+.preview-area{{flex:1;display:flex;flex-direction:column;background:#1a1a1a;margin:6px;border-radius:8px;overflow:hidden}}
+.preview-box{{flex:1;display:flex;align-items:center;justify-content:center;background:#000}}
+#previewCanvas{{max-width:100%;max-height:100%;background:#000}}
+.controls{{height:45px;background:#222;display:flex;align-items:center;justify-content:center;gap:6px}}
+.ctrl-btn{{width:28px;height:28px;border:none;border-radius:50%;background:rgba(255,255,255,0.1);color:#fff;cursor:pointer;font-size:12px}}
+.ctrl-btn:hover{{background:rgba(255,255,255,0.2)}}
+.ctrl-btn.play{{width:36px;height:36px;background:#6366f1}}
+.time-display{{font-family:monospace;font-size:10px;color:#aaa;min-width:90px;text-align:center}}
+.props{{width:140px;background:#fff;border-left:1px solid #ddd}}
+.props-header{{padding:8px;border-bottom:1px solid #eee;font-size:10px;font-weight:600;color:#666}}
+.props-content{{padding:8px}}
+.no-sel{{color:#999;text-align:center;padding:15px;font-size:10px}}
+.prop-group{{margin-bottom:10px}}
+.prop-label{{font-size:9px;color:#666;margin-bottom:2px}}
+.prop-input{{width:100%;padding:4px;border:1px solid #ddd;border-radius:3px;font-size:10px}}
+.timeline{{height:140px;background:#fff;border-top:1px solid #ddd;display:flex;flex-direction:column}}
+.tl-toolbar{{height:28px;background:#fafafa;border-bottom:1px solid #eee;display:flex;align-items:center;padding:0 6px;gap:4px}}
+.tl-toolbar .btn{{padding:2px 6px;font-size:9px}}
+.tl-zoom{{display:flex;align-items:center;gap:3px;margin-left:auto;font-size:9px;color:#666}}
+.tl-zoom input{{width:50px}}
+.tl-container{{flex:1;overflow-x:auto;position:relative}}
+.tl-ruler{{height:18px;background:#fff;border-bottom:1px solid #eee}}
+.tl-tracks{{position:relative}}
+.tl-track{{height:45px;border-bottom:1px solid #eee;display:flex}}
+.tl-track:nth-child(2){{background:#fffbeb}}
+.track-label{{width:50px;padding:0 4px;font-size:8px;color:#666;background:#fafafa;display:flex;align-items:center;border-right:1px solid #eee}}
+.track-content{{flex:1;position:relative;min-width:600px}}
+.clip{{position:absolute;height:36px;top:4px;border-radius:4px;cursor:grab;display:flex;align-items:center;overflow:hidden}}
+.clip:hover{{box-shadow:0 0 0 2px #6366f1}}
+.clip.selected{{box-shadow:0 0 0 2px #6366f1}}
+.clip.video{{background:linear-gradient(135deg,#818cf8,#6366f1)}}
+.clip.image{{background:linear-gradient(135deg,#34d399,#10b981)}}
+.clip.audio{{background:linear-gradient(135deg,#fbbf24,#f59e0b)}}
+.clip-thumb{{width:36px;height:100%;object-fit:cover}}
+.clip-info{{padding:0 4px;flex:1;overflow:hidden}}
+.clip-name{{font-size:8px;color:#fff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}
+.clip-dur{{font-size:7px;color:rgba(255,255,255,0.7)}}
+.clip-handle{{position:absolute;top:0;bottom:0;width:8px;background:rgba(255,255,255,0.5);cursor:ew-resize;opacity:0}}
+.clip:hover .clip-handle{{opacity:1}}
+.clip-handle-l{{left:0;border-radius:4px 0 0 4px}}
+.clip-handle-r{{right:0;border-radius:0 4px 4px 0}}
+.playhead{{position:absolute;top:0;bottom:0;width:2px;background:#ef4444;z-index:10;pointer-events:none}}
+.playhead::before{{content:"";position:absolute;top:0;left:-4px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:7px solid #ef4444}}
+.drop-zone{{background:rgba(99,102,241,0.1)!important;outline:2px dashed #6366f1!important}}
+.status{{height:20px;background:#f5f5f5;border-top:1px solid #ddd;display:flex;align-items:center;padding:0 8px;font-size:9px;color:#666}}
+.ctx-menu{{position:fixed;background:#fff;border:1px solid #ddd;border-radius:5px;padding:3px 0;min-width:100px;z-index:1000;box-shadow:0 4px 12px rgba(0,0,0,0.15);display:none}}
+.ctx-item{{padding:5px 10px;cursor:pointer;font-size:10px}}
+.ctx-item:hover{{background:#f5f5f5}}
+.ctx-item.danger{{color:#ef4444}}
+.modal{{position:fixed;inset:0;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;z-index:1000}}
+.modal-box{{background:#fff;border-radius:8px;padding:16px;min-width:240px;text-align:center}}
+.modal-box h3{{margin-bottom:8px;font-size:13px}}
+.progress{{height:5px;background:#eee;border-radius:3px;overflow:hidden;margin:10px 0}}
+.progress-bar{{height:100%;background:#6366f1;transition:width 0.2s}}
+.hidden-media{{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}}
+</style>
+</head>
+<body>
+<div class="editor">
+<div class="toolbar">
+<div class="toolbar-title">🎬 Video Editor</div>
+<div style="display:flex;gap:4px">
+<button class="btn btn-secondary" onclick="undo()">↩ 실행취소</button>
+<button class="btn btn-success" onclick="exportVideo()">📥 내보내기</button>
+</div>
+</div>
+<div class="main">
+<div class="library">
+<div class="lib-header">📁 미디어</div>
+<div class="lib-content">
+<div class="lib-hint" id="hint">파일을 업로드하세요</div>
+<div class="media-grid" id="mediaGrid"></div>
+</div>
+</div>
+<div class="preview-area">
+<div class="preview-box">
+<canvas id="previewCanvas" width="640" height="360"></canvas>
+</div>
+<div class="controls">
+<button class="ctrl-btn" onclick="seek(0)">⏮</button>
+<button class="ctrl-btn" onclick="seek(S.time-5)">⏪</button>
+<button class="ctrl-btn play" onclick="togglePlay()" id="playBtn">▶</button>
+<button class="ctrl-btn" onclick="seek(S.time+5)">⏩</button>
+<button class="ctrl-btn" onclick="seek(S.dur)">⏭</button>
+<div class="time-display"><span id="curT">00:00.00</span> / <span id="totT">00:00.00</span></div>
+<button class="ctrl-btn" onclick="toggleMute()" id="muteBtn">🔊</button>
+</div>
+</div>
+<div class="props">
+<div class="props-header">⚙️ 속성</div>
+<div class="props-content" id="propsBox"><div class="no-sel">클립 선택</div></div>
+</div>
+</div>
+<div class="timeline">
+<div class="tl-toolbar">
+<button class="btn btn-secondary" onclick="splitClip()">✂ 자르기</button>
+<button class="btn btn-secondary" onclick="dupeClip()">📋 복제</button>
+<button class="btn btn-danger" onclick="delClip()">🗑 삭제</button>
+<div class="tl-zoom">🔍<input type="range" min="0.5" max="3" step="0.1" value="1" oninput="setZoom(this.value)"></div>
+</div>
+<div class="tl-container" id="tlBox" onclick="tlClick(event)">
+<div class="tl-ruler" id="ruler"></div>
+<div class="tl-tracks">
+<div class="tl-track"><div class="track-label">🎬 영상</div><div class="track-content" id="t0"></div></div>
+<div class="tl-track"><div class="track-label">🎵 오디오</div><div class="track-content" id="t1"></div></div>
+</div>
+<div class="playhead" id="playhead" style="left:50px"></div>
+</div>
+</div>
+<div class="status" id="status">준비됨</div>
+</div>
+<div class="ctx-menu" id="ctx">
+<div class="ctx-item" onclick="splitClip()">✂ 자르기</div>
+<div class="ctx-item" onclick="dupeClip()">📋 복제</div>
+<div class="ctx-item danger" onclick="delClip()">🗑 삭제</div>
+</div>
+<div class="modal" id="exportModal" style="display:none">
+<div class="modal-box">
+<h3>🎬 영상 내보내기</h3>
+<p id="exportMsg">준비중...</p>
+<div class="progress"><div class="progress-bar" id="exportBar"></div></div>
+<button class="btn btn-secondary" onclick="cancelExport()">취소</button>
+</div>
+</div>
+<div id="hiddenMedia" class="hidden-media"></div>
+<script>
+var S={{
+media:[],
+clips:[],
+sel:null,
+playing:false,
+muted:false,
+time:0,
+dur:0,
+zoom:1,
+pps:80,
+history:[],
+animId:null,
+cancelled:false,
+els:{{}},
+canvas:null,
+ctx:null,
+lastClipId:null
+}};
+function init(){{
+S.canvas=document.getElementById('previewCanvas');
+S.ctx=S.canvas.getContext('2d');
+drawPlaceholder();
+}}
+function id(){{return Math.random().toString(36).substr(2,9)}}
+function fmt(t){{if(!t||isNaN(t))t=0;var m=Math.floor(t/60),s=Math.floor(t%60),ms=Math.floor((t%1)*100);return String(m).padStart(2,'0')+':'+String(s).padStart(2,'0')+'.'+String(ms).padStart(2,'0')}}
+function r(n){{return Math.round(n*1000)/1000}}
+function stat(m){{document.getElementById('status').textContent=m}}
+function save(){{S.history.push(JSON.stringify(S.clips));if(S.history.length>30)S.history.shift()}}
+function drawPlaceholder(){{
+S.ctx.fillStyle='#000';
+S.ctx.fillRect(0,0,640,360);
+S.ctx.fillStyle='#444';
+S.ctx.font='14px sans-serif';
+S.ctx.textAlign='center';
+S.ctx.fillText('타임라인에 미디어를 추가하세요',320,180);
+}}
+function addMedia(name,type,url){{
+var m={{id:id(),name:name,type:type,url:url,dur:type==='image'?5:0,thumb:type==='image'?url:null}};
+S.media.push(m);
+var container=document.getElementById('hiddenMedia');
+if(type==='video'){{
+var v=document.createElement('video');
+v.src=url;
+v.muted=true;
+v.playsInline=true;
+v.preload='auto';
+v.crossOrigin='anonymous';
+container.appendChild(v);
+S.els[m.id]=v;
+v.onloadedmetadata=function(){{
+m.dur=r(v.duration);
+renderLib();
+v.currentTime=0.5;
+}};
+v.onseeked=function(){{
+if(!m.thumb){{
+try{{
+var c=document.createElement('canvas');
+c.width=160;c.height=90;
+c.getContext('2d').drawImage(v,0,0,160,90);
+m.thumb=c.toDataURL();
+renderLib();
+}}catch(e){{}}
+}}
+}};
+}}else if(type==='audio'){{
+var a=document.createElement('audio');
+a.src=url;
+a.preload='auto';
+container.appendChild(a);
+S.els[m.id]=a;
+a.onloadedmetadata=function(){{m.dur=r(a.duration);renderLib()}};
+}}else if(type==='image'){{
+var img=new Image();
+img.src=url;
+img.crossOrigin='anonymous';
+S.els[m.id]=img;
+}}
+renderLib();
+stat('미디어 추가: '+name);
+setTimeout(function(){{addClip(m)}},400);
+}}
+function renderLib(){{
+var g=document.getElementById('mediaGrid');
+var h=document.getElementById('hint');
+h.style.display=S.media.length?'none':'block';
+g.innerHTML='';
+S.media.forEach(function(m){{
+var d=document.createElement('div');
+d.className='media-item';
+d.draggable=true;
+d.ondblclick=function(){{addClip(m)}};
+d.ondragstart=function(e){{e.dataTransfer.setData('mid',m.id)}};
+var th=m.thumb?'<img src="'+m.thumb+'">':'<div class="media-item-icon">'+(m.type==='video'?'🎬':m.type==='audio'?'🎵':'🖼')+'</div>';
+d.innerHTML=th+(m.dur?'<div class="media-item-dur">'+fmt(m.dur)+'</div>':'');
+g.appendChild(d);
+}});
+}}
+function trackEnd(tr){{
+var end=0;
+for(var i=0;i<S.clips.length;i++){{
+var c=S.clips[i];
+if(c.track===tr){{
+var e=r(c.start+(c.te-c.ts));
+if(e>end)end=e;
+}}
+}}
+return end;
+}}
+function addClip(m,at){{
+save();
+var tr=m.type==='audio'?1:0;
+var st=at!==undefined?r(at):trackEnd(tr);
+S.clips.push({{
+id:id(),
+mid:m.id,
+name:m.name,
+type:m.type,
+track:tr,
+start:st,
+dur:m.dur,
+ts:0,
+te:m.dur,
+vol:1
+}});
+renderTL();
+updateDur();
+stat('클립 추가: '+m.name);
+drawFrame();
+}}
+function renderTL(){{
+['t0','t1'].forEach(function(tid){{document.getElementById(tid).innerHTML=''}});
+S.clips.forEach(function(c){{
+var tr=document.getElementById('t'+c.track);
+var el=document.createElement('div');
+el.className='clip '+c.type+(S.sel===c.id?' selected':'');
+var len=r(c.te-c.ts);
+el.style.left=r(c.start*S.pps*S.zoom)+'px';
+el.style.width=Math.max(25,r(len*S.pps*S.zoom))+'px';
+el.draggable=true;
+el.onclick=function(e){{e.stopPropagation();selClip(c.id)}};
+el.oncontextmenu=function(e){{e.preventDefault();selClip(c.id);showCtx(e.clientX,e.clientY)}};
+el.ondragstart=function(e){{e.dataTransfer.setData('cid',c.id);e.dataTransfer.setData('ox',e.offsetX)}};
+var m=S.media.find(function(x){{return x.id===c.mid}});
+var th=m&&m.thumb?'<img class="clip-thumb" src="'+m.thumb+'">':'';
+el.innerHTML=th+'<div class="clip-info"><div class="clip-name">'+c.name+'</div><div class="clip-dur">'+fmt(len)+'</div></div><div class="clip-handle clip-handle-l"></div><div class="clip-handle clip-handle-r"></div>';
+el.querySelector('.clip-handle-l').onmousedown=function(e){{e.stopPropagation();startTrim(c.id,'l',e)}};
+el.querySelector('.clip-handle-r').onmousedown=function(e){{e.stopPropagation();startTrim(c.id,'r',e)}};
+tr.appendChild(el);
+}});
+renderRuler();
+setupDrop();
+}}
+function renderRuler(){{
+var ru=document.getElementById('ruler');
+var w=Math.max(r(S.dur*S.pps*S.zoom)+150,600);
+ru.style.width=w+'px';
+var h='<svg width="100%" height="18" style="position:absolute;left:50px">';
+var step=S.zoom<0.7?5:S.zoom<1.5?2:1;
+for(var i=0;i<=S.dur+10;i+=step){{
+var x=r(i*S.pps*S.zoom);
+h+='<line x1="'+x+'" y1="13" x2="'+x+'" y2="18" stroke="#ccc"/>';
+h+='<text x="'+x+'" y="10" fill="#999" font-size="8" text-anchor="middle">'+fmt(i)+'</text>';
+}}
+ru.innerHTML=h+'</svg>';
+}}
+function setupDrop(){{
+['t0','t1'].forEach(function(tid,idx){{
+var tr=document.getElementById(tid);
+tr.ondragover=function(e){{e.preventDefault();tr.classList.add('drop-zone')}};
+tr.ondragleave=function(){{tr.classList.remove('drop-zone')}};
+tr.ondrop=function(e){{
+e.preventDefault();
+tr.classList.remove('drop-zone');
+var rect=tr.getBoundingClientRect();
+var t=r(Math.max(0,(e.clientX-rect.left)/(S.pps*S.zoom)));
+var mid=e.dataTransfer.getData('mid');
+var cid=e.dataTransfer.getData('cid');
+var ox=parseFloat(e.dataTransfer.getData('ox')||0);
+if(mid){{
+var m=S.media.find(function(x){{return x.id===mid}});
+if(m)addClip(m,t);
+}}else if(cid){{
+save();
+var c=S.clips.find(function(x){{return x.id===cid}});
+if(c){{
+c.start=r(Math.max(0,t-ox/(S.pps*S.zoom)));
+c.track=c.type==='audio'?1:idx;
+renderTL();
+updateDur();
+drawFrame();
+}}
+}}
+}};
+}});
+}}
+var trimData=null;
+function startTrim(cid,side,e){{
+e.preventDefault();
+var c=S.clips.find(function(x){{return x.id===cid}});
+if(!c)return;
+save();
+trimData={{cid:cid,side:side,sx:e.clientX,ots:c.ts,ote:c.te,ost:c.start}};
+document.addEventListener('mousemove',doTrim);
+document.addEventListener('mouseup',endTrim);
+}}
+function doTrim(e){{
+if(!trimData)return;
+var c=S.clips.find(function(x){{return x.id===trimData.cid}});
+if(!c)return;
+var dx=e.clientX-trimData.sx;
+var dt=r(dx/(S.pps*S.zoom));
+if(trimData.side==='l'){{
+var newTs=Math.max(0,Math.min(c.te-0.1,trimData.ots+dt));
+c.ts=r(newTs);
+c.start=r(trimData.ost+(newTs-trimData.ots));
+}}else{{
+c.te=r(Math.max(c.ts+0.1,Math.min(c.dur,trimData.ote+dt)));
+}}
+renderTL();
+updateDur();
+}}
+function endTrim(){{
+trimData=null;
+document.removeEventListener('mousemove',doTrim);
+document.removeEventListener('mouseup',endTrim);
+}}
+function selClip(cid){{S.sel=cid;renderTL();renderProps()}}
+function renderProps(){{
+var box=document.getElementById('propsBox');
+var c=S.clips.find(function(x){{return x.id===S.sel}});
+if(!c){{box.innerHTML='<div class="no-sel">클립 선택</div>';return}}
+var len=r(c.te-c.ts);
+box.innerHTML='<div class="prop-group"><div class="prop-label">이름</div><input class="prop-input" value="'+c.name+'" onchange="setProp(\\'name\\',this.value)"></div>'+
+'<div class="prop-group"><div class="prop-label">시작</div><input class="prop-input" type="number" step="0.1" value="'+c.start+'" onchange="setProp(\\'start\\',parseFloat(this.value))"></div>'+
+'<div class="prop-group"><div class="prop-label">길이: '+fmt(len)+'</div></div>'+
+(c.type!=='image'?'<div class="prop-group"><div class="prop-label">볼륨 '+Math.round(c.vol*100)+'%</div><input class="prop-input" type="range" min="0" max="1" step="0.05" value="'+c.vol+'" oninput="setProp(\\'vol\\',parseFloat(this.value))"></div>':'');
+}}
+function setProp(p,v){{
+save();
+var c=S.clips.find(function(x){{return x.id===S.sel}});
+if(c){{c[p]=p==='start'?r(v):v;renderTL();updateDur();renderProps();drawFrame()}}
+}}
+function splitClip(){{
+if(!S.sel){{alert('클립을 선택하세요');return}}
+var c=S.clips.find(function(x){{return x.id===S.sel}});
+if(!c)return;
+var cEnd=r(c.start+c.te-c.ts);
+if(S.time<=c.start||S.time>=cEnd){{alert('플레이헤드가 클립 안에 있어야 합니다');return}}
+save();
+var splitAt=r(S.time-c.start);
+var c2=JSON.parse(JSON.stringify(c));
+c2.id=id();
+c2.start=r(S.time);
+c2.ts=r(c.ts+splitAt);
+c.te=r(c.ts+splitAt);
+S.clips.push(c2);
+renderTL();updateDur();hideCtx();stat('클립 분할됨');
+}}
+function dupeClip(){{
+if(!S.sel)return;
+var c=S.clips.find(function(x){{return x.id===S.sel}});
+if(!c)return;
+save();
+var len=r(c.te-c.ts);
+var nc=JSON.parse(JSON.stringify(c));
+nc.id=id();
+nc.start=r(c.start+len);
+S.clips.push(nc);
+renderTL();updateDur();hideCtx();stat('클립 복제됨');
+}}
+function delClip(){{
+if(!S.sel)return;
+save();
+S.clips=S.clips.filter(function(x){{return x.id!==S.sel}});
+S.sel=null;
+renderTL();renderProps();updateDur();hideCtx();stat('클립 삭제됨');
+drawFrame();
+}}
+function undo(){{if(S.history.length){{S.clips=JSON.parse(S.history.pop());renderTL();updateDur();stat('실행취소');drawFrame()}}}}
+function updateDur(){{
+var mx=0;
+for(var i=0;i<S.clips.length;i++){{
+var c=S.clips[i];
+var e=r(c.start+c.te-c.ts);
+if(e>mx)mx=e;
+}}
+S.dur=mx;
+document.getElementById('totT').textContent=fmt(mx);
+}}
+function togglePlay(){{
+S.playing=!S.playing;
+document.getElementById('playBtn').textContent=S.playing?'⏸':'▶';
+if(S.playing)play();else stop();
+}}
+function play(){{
+var last=performance.now();
+function loop(now){{
+if(!S.playing)return;
+var dt=(now-last)/1000;
+last=now;
+S.time=S.time+dt;
+if(S.time>=S.dur){{
+S.time=0;
+if(S.dur===0){{S.playing=false;document.getElementById('playBtn').textContent='▶';return}}
+}}
+updateHead();
+drawFrame();
+S.animId=requestAnimationFrame(loop);
+}}
+S.animId=requestAnimationFrame(loop);
+}}
+function stop(){{
+if(S.animId){{cancelAnimationFrame(S.animId);S.animId=null}}
+Object.keys(S.els).forEach(function(k){{
+var el=S.els[k];
+if(el&&el.pause)el.pause();
+}});
+}}
+function seek(t){{
+S.time=Math.max(0,Math.min(S.dur||0,t));
+updateHead();
+drawFrame();
+}}
+function updateHead(){{
+document.getElementById('playhead').style.left=(50+S.time*S.pps*S.zoom)+'px';
+document.getElementById('curT').textContent=fmt(S.time);
+}}
+function getClipAt(t,type){{
+var sorted=S.clips.filter(function(c){{
+if(type==='visual')return c.type==='video'||c.type==='image';
+if(type==='audio')return c.type==='audio';
+return true;
+}}).sort(function(a,b){{return a.start-b.start}});
+for(var i=0;i<sorted.length;i++){{
+var c=sorted[i];
+var cEnd=c.start+(c.te-c.ts);
+if(t>=c.start&&t<cEnd)return c;
+}}
+return null;
+}}
+function drawFrame(){{
+var t=S.time;
+var vc=getClipAt(t,'visual');
+S.ctx.fillStyle='#000';
+S.ctx.fillRect(0,0,640,360);
+if(vc){{
+var el=S.els[vc.mid];
+if(el){{
+if(vc.type==='video'){{
+var clipT=t-vc.start+vc.ts;
+if(Math.abs(el.currentTime-clipT)>0.05){{
+el.currentTime=clipT;
+}}
+if(S.playing&&el.paused)el.play().catch(function(){{}});
+if(!S.playing&&!el.paused)el.pause();
+el.volume=S.muted?0:vc.vol;
+}}
+try{{
+var sw=el.videoWidth||el.naturalWidth||el.width||640;
+var sh=el.videoHeight||el.naturalHeight||el.height||360;
+var scale=Math.min(640/sw,360/sh);
+var dw=sw*scale,dh=sh*scale;
+var dx=(640-dw)/2,dy=(360-dh)/2;
+S.ctx.drawImage(el,dx,dy,dw,dh);
+}}catch(e){{}}
+}}
+}}else if(S.clips.length===0){{
+S.ctx.fillStyle='#444';
+S.ctx.font='14px sans-serif';
+S.ctx.textAlign='center';
+S.ctx.fillText('타임라인에 미디어를 추가하세요',320,180);
+}}
+var audioClips=S.clips.filter(function(c){{
+if(c.type!=='audio')return false;
+var cEnd=c.start+(c.te-c.ts);
+return t>=c.start&&t<cEnd;
+}});
+audioClips.forEach(function(ac){{
+var el=S.els[ac.mid];
+if(el){{
+var clipT=t-ac.start+ac.ts;
+if(Math.abs(el.currentTime-clipT)>0.1)el.currentTime=clipT;
+el.volume=S.muted?0:ac.vol;
+if(S.playing&&el.paused)el.play().catch(function(){{}});
+if(!S.playing&&!el.paused)el.pause();
+}}
+}});
+S.clips.forEach(function(c){{
+if(c.type!=='audio')return;
+var cEnd=c.start+(c.te-c.ts);
+if(t<c.start||t>=cEnd){{
+var el=S.els[c.mid];
+if(el&&!el.paused)el.pause();
+}}
+}});
+if(!vc&&!audioClips.length&&S.clips.length>0){{
+S.ctx.fillStyle='#333';
+S.ctx.font='12px sans-serif';
+S.ctx.textAlign='center';
+S.ctx.fillText('재생 위치에 미디어가 없습니다',320,180);
+}}
+}}
+function toggleMute(){{S.muted=!S.muted;document.getElementById('muteBtn').textContent=S.muted?'🔇':'🔊'}}
+function setZoom(v){{S.zoom=parseFloat(v);renderTL();updateHead()}}
+function tlClick(e){{
+if(e.target.closest('.clip'))return;
+var rect=document.getElementById('tlBox').getBoundingClientRect();
+var scrollL=document.getElementById('tlBox').scrollLeft;
+S.time=Math.max(0,Math.min(S.dur||0,(e.clientX-rect.left-50+scrollL)/(S.pps*S.zoom)));
+updateHead();
+drawFrame();
+}}
+function showCtx(x,y){{var m=document.getElementById('ctx');m.style.display='block';m.style.left=x+'px';m.style.top=y+'px'}}
+function hideCtx(){{document.getElementById('ctx').style.display='none'}}
+document.addEventListener('click',function(e){{if(!e.target.closest('.ctx-menu'))hideCtx()}});
+function exportVideo(){{
+if(!S.clips.length){{alert('클립을 추가하세요');return}}
+S.cancelled=false;
+document.getElementById('exportModal').style.display='flex';
+document.getElementById('exportBar').style.width='0%';
+document.getElementById('exportMsg').textContent='FFmpeg 로딩 중...';
+loadFFmpeg().then(doExport).catch(function(e){{
+document.getElementById('exportMsg').textContent='FFmpeg 로드 실패: '+e.message;
+}});
+}}
+var ffmpeg=null;
+async function loadFFmpeg(){{
+if(ffmpeg)return;
+var script=document.createElement('script');
+script.src='https://cdn.jsdelivr.net/npm/@ffmpeg/ffmpeg@0.12.6/dist/umd/ffmpeg.min.js';
+document.head.appendChild(script);
+await new Promise(function(resolve){{script.onload=resolve}});
+var script2=document.createElement('script');
+script2.src='https://cdn.jsdelivr.net/npm/@ffmpeg/util@0.12.1/dist/umd/index.min.js';
+document.head.appendChild(script2);
+await new Promise(function(resolve){{script2.onload=resolve}});
+ffmpeg=new FFmpegWASM.FFmpeg();
+ffmpeg.on('progress',function(p){{
+if(p.progress)document.getElementById('exportMsg').textContent='변환 중... '+Math.round(p.progress*100)+'%';
+}});
+await ffmpeg.load({{
+coreURL:'https://cdn.jsdelivr.net/npm/@ffmpeg/core@0.12.4/dist/umd/ffmpeg-core.js',
+wasmURL:'https://cdn.jsdelivr.net/npm/@ffmpeg/core@0.12.4/dist/umd/ffmpeg-core.wasm'
+}});
+}}
+async function doExport(){{
+var canvas=document.createElement('canvas');
+canvas.width=1280;canvas.height=720;
+var ctx=canvas.getContext('2d');
+var stream=canvas.captureStream(30);
+var opts={{mimeType:'video/webm;codecs=vp8'}};
+if(!MediaRecorder.isTypeSupported(opts.mimeType))opts={{mimeType:'video/webm'}};
+var rec=new MediaRecorder(stream,opts);
+var chunks=[];
+rec.ondataavailable=function(e){{if(e.data.size>0)chunks.push(e.data)}};
+document.getElementById('exportMsg').textContent='녹화 중...';
+rec.start(100);
+var dur=S.dur;
+var start=performance.now();
+await new Promise(function(resolve){{
+function render(){{
+if(S.cancelled){{rec.stop();resolve();return}}
+var t=(performance.now()-start)/1000;
+if(t>=dur){{
+setTimeout(function(){{rec.stop();setTimeout(resolve,300)}},200);
+return;
+}}
+document.getElementById('exportBar').style.width=(t/dur*50)+'%';
+document.getElementById('exportMsg').textContent='녹화 중... '+Math.round(t/dur*100)+'%';
+ctx.fillStyle='#000';
+ctx.fillRect(0,0,1280,720);
+var vc=getClipAt(t,'visual');
+if(vc){{
+var el=S.els[vc.mid];
+if(el){{
+if(vc.type==='video')el.currentTime=t-vc.start+vc.ts;
+try{{
+var sw=el.videoWidth||el.naturalWidth||el.width||1280;
+var sh=el.videoHeight||el.naturalHeight||el.height||720;
+var scale=Math.min(1280/sw,720/sh);
+var dw=sw*scale,dh=sh*scale;
+ctx.drawImage(el,(1280-dw)/2,(720-dh)/2,dw,dh);
+}}catch(e){{}}
+}}
+}}
+requestAnimationFrame(render);
+}}
+requestAnimationFrame(render);
+}});
+if(S.cancelled)return;
+var webmBlob=new Blob(chunks,{{type:'video/webm'}});
+if(webmBlob.size<1000){{document.getElementById('exportMsg').textContent='녹화 실패';return}}
+document.getElementById('exportBar').style.width='50%';
+document.getElementById('exportMsg').textContent='MP4 변환 중...';
+try{{
+var webmData=new Uint8Array(await webmBlob.arrayBuffer());
+await ffmpeg.writeFile('input.webm',webmData);
+await ffmpeg.exec(['-i','input.webm','-c:v','libx264','-preset','fast','-crf','23','-c:a','aac','-movflags','+faststart','output.mp4']);
+var mp4Data=await ffmpeg.readFile('output.mp4');
+var mp4Blob=new Blob([mp4Data],{{type:'video/mp4'}});
+document.getElementById('exportBar').style.width='100%';
+document.getElementById('exportMsg').textContent='완료! ('+Math.round(mp4Blob.size/1024)+'KB)';
+var a=document.createElement('a');
+a.href=URL.createObjectURL(mp4Blob);
+a.download='video_'+Date.now()+'.mp4';
+a.click();
+await ffmpeg.deleteFile('input.webm');
+await ffmpeg.deleteFile('output.mp4');
+}}catch(e){{
+console.error(e);
+document.getElementById('exportMsg').textContent='MP4 변환 실패, WebM으로 다운로드';
+var a=document.createElement('a');
+a.href=URL.createObjectURL(webmBlob);
+a.download='video_'+Date.now()+'.webm';
+a.click();
+}}
+}}
+function cancelExport(){{S.cancelled=true;document.getElementById('exportModal').style.display='none'}}
+document.addEventListener('keydown',function(e){{
+if(e.target.tagName==='INPUT')return;
+if(e.code==='Space'){{e.preventDefault();togglePlay()}}
+else if(e.code==='Delete'){{e.preventDefault();delClip()}}
+else if(e.code==='ArrowLeft'){{seek(S.time-0.1)}}
+else if(e.code==='ArrowRight'){{seek(S.time+0.1)}}
+}});
+init();
+renderTL();
+stat('준비됨');
+var initData={media_data};
+if(initData&&initData.length)initData.forEach(function(m){{addMedia(m.name,m.type,m.dataUrl)}});
+</script>
+</body>
+</html>'''
+def process_file(files):
+    if not files:
+        return []
+    results = []
+    file_list = files if isinstance(files, list) else [files]
+    for f in file_list:
+        if not f:
+            continue
+        path = f.name if hasattr(f, 'name') else f
+        name = os.path.basename(path)
+        ext = name.lower().split('.')[-1]
+        if ext in ['mp4', 'webm', 'mov', 'avi', 'mkv']:
+            t, m = 'video', f'video/{ext}'
+        elif ext in ['jpg', 'jpeg', 'png', 'gif', 'webp']:
+            t, m = 'image', f'image/{ext}'
+        elif ext in ['mp3', 'wav', 'ogg', 'm4a', 'aac']:
+            t, m = 'audio', f'audio/{ext}'
+        else:
+            continue
+        with open(path, 'rb') as fp:
+            d = base64.b64encode(fp.read()).decode()
+        results.append({'name': name, 'type': t, 'dataUrl': f'data:{m};base64,{d}'})
+    return results
+def make_iframe(data):
+    j = json.dumps(data, ensure_ascii=False)
+    h = get_editor_html(j).replace("'", "&#39;")
+    return f"<iframe srcdoc='{h}' style='width:100%;height:750px;border:none;border-radius:10px'></iframe>"
+with gr.Blocks() as demo:
+    gr.Markdown("## 🎬 Video Editor")
+    f = gr.File(label="📁 파일 업로드", file_count="multiple", file_types=["video", "image", "audio"])
+    e = gr.HTML(value=make_iframe([]))
+    f.change(fn=lambda x: make_iframe(process_file(x)), inputs=[f], outputs=[e])
+if __name__ == "__main__":
+    demo.launch()