lou
305 lines
15 KiB
HTML
305 lines
15 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Collaplex 音效</title>
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<style>
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:root{
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--bg:#0f0f0f; --card:#161616; --card-hi:#1c1c1c; --bd:#262626; --bd-hi:#343434;
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--fg:#e8e8e8; --mut:#8a8a8a; --dim:#666; --ok:#4ade80; --warn:#fbbf24; --hot:#f87171;
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}
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*{box-sizing:border-box;margin:0;padding:0}
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body{background:var(--bg);color:var(--fg);font-family:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
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font-size:13px;padding:18px 20px 26px}
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h1{font-size:16px;font-weight:600;letter-spacing:.5px}
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h1 small{color:var(--mut);font-size:11px;font-weight:400;margin-left:10px}
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.head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px;gap:12px}
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.status{color:var(--mut);font-size:11px}
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.card{background:var(--card);border:1px solid var(--bd);border-radius:12px;padding:14px 16px;margin-bottom:14px}
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.card h2{font-size:11px;font-weight:500;color:var(--mut);letter-spacing:1px;margin-bottom:12px;text-transform:uppercase}
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/* ---- 电平表 ---- */
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.meters{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}
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.meter{display:flex;align-items:center;gap:9px}
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.meter .lbl{width:30px;color:var(--mut);font-size:11px;flex:none}
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.bar{position:relative;flex:1;height:12px;background:#111;border:1px solid var(--bd);border-radius:3px;overflow:hidden}
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.bar i{position:absolute;left:0;top:0;bottom:0;width:0%;
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background:linear-gradient(90deg,#166534,#4ade80 72%,#fbbf24 90%,#f87171);transition:width .08s linear}
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.meter .val{width:56px;text-align:right;font-size:11px;color:var(--fg);flex:none;font-variant-numeric:tabular-nums}
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.meter .pk{font-size:10px;color:var(--dim);width:52px;text-align:right;flex:none}
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/* ---- 滑块 ---- */
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.row{display:flex;align-items:center;gap:14px;margin-bottom:12px}
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.row:last-child{margin-bottom:0}
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.row .name{width:96px;flex:none;color:var(--fg);font-size:12px}
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.row .num{width:84px;text-align:right;flex:none;color:var(--ok);font-variant-numeric:tabular-nums}
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input[type=range]{-webkit-appearance:none;appearance:none;flex:1;height:22px;background:transparent;cursor:ns-resize}
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input[type=range]::-webkit-slider-runnable-track{height:4px;background:var(--bd-hi);border-radius:2px}
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input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;margin-top:-5px;
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border-radius:50%;background:var(--ok);border:none}
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input[type=range]:hover::-webkit-slider-thumb{background:#86efac}
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input[type=range]::-moz-range-track{height:4px;background:var(--bd-hi);border-radius:2px}
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input[type=range]::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;background:var(--ok)}
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.hint{color:var(--dim);font-size:10px;margin-top:8px}
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/* ---- 归一化的电平与动态增益 ---- */
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.viz{display:flex;align-items:center;gap:9px;margin-top:9px;padding-left:110px}
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.viz .lbl{width:70px;flex:none;color:var(--mut);font-size:11px}
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.viz .bar{flex:1;height:10px;border-radius:3px}
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.viz .gauge{position:relative;flex:1;height:10px;background:#111;border:1px solid var(--bd);border-radius:3px}
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.viz .gauge::before{content:"";position:absolute;left:60%;top:-2px;width:1px;height:12px;background:var(--dim)}
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.viz .gauge i{position:absolute;top:-3px;width:6px;height:14px;border-radius:2px;background:var(--ok);
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transform:translateX(-50%);transition:left .12s linear}
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.viz .num{width:84px;flex:none;text-align:right;color:var(--fg);font-variant-numeric:tabular-nums}
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/* ---- EQ ---- */
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.eq{display:flex;align-items:flex-end;gap:3px;height:190px;padding-top:6px}
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.band{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%}
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.band .v{font-size:9px;color:var(--dim);height:11px;font-variant-numeric:tabular-nums}
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.band input{writing-mode:vertical-lr;direction:rtl;width:100%;height:100%;
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-webkit-appearance:none;appearance:none;background:transparent;cursor:ns-resize}
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.band input::-webkit-slider-runnable-track{width:4px;height:100%;background:var(--bd-hi);border-radius:2px}
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.band input::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:9px;margin-left:-5px;
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border-radius:2px;background:var(--ok)}
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.band:hover input::-webkit-slider-thumb{background:#86efac}
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.band input::-moz-range-track{width:4px;background:var(--bd-hi);border-radius:2px}
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.band input::-moz-range-thumb{width:14px;height:9px;border:none;border-radius:2px;background:var(--ok)}
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.band .f{font-size:9px;color:var(--mut);transform:rotate(-60deg);transform-origin:center;height:20px;
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white-space:nowrap;margin-top:2px}
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.btns{display:flex;gap:8px;margin-top:12px}
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button{background:var(--card-hi);color:var(--fg);border:1px solid var(--bd-hi);border-radius:6px;
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padding:5px 12px;font:inherit;font-size:11px;cursor:pointer}
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button:hover{border-color:var(--ok);color:var(--ok)}
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</style>
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</head>
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<body>
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<div class="head">
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<h1>Collaplex 音效<small>滚轮调节 · Shift+滚轮微调 · 双击归零</small></h1>
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<div class="status" id="status">就绪</div>
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</div>
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<div class="card">
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<h2>电平</h2>
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<div class="meters">
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<div class="meter"><span class="lbl">入 L</span><div class="bar"><i id="bar-inL"></i></div><span class="val" id="val-inL">-∞</span><span class="pk" id="pk-inL"></span></div>
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<div class="meter"><span class="lbl">出 L</span><div class="bar"><i id="bar-outL"></i></div><span class="val" id="val-outL">-∞</span><span class="pk" id="pk-outL"></span></div>
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<div class="meter"><span class="lbl">入 R</span><div class="bar"><i id="bar-inR"></i></div><span class="val" id="val-inR">-∞</span><span class="pk" id="pk-inR"></span></div>
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<div class="meter"><span class="lbl">出 R</span><div class="bar"><i id="bar-outR"></i></div><span class="val" id="val-outR">-∞</span><span class="pk" id="pk-outR"></span></div>
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</div>
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<div class="hint">条长 = 实时 RMS(-60 ~ 0 dBFS),右侧小字 = 本块峰值</div>
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</div>
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<div class="card">
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<h2>控制</h2>
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<div class="row">
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<span class="name">电平归一化</span>
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<input type="range" id="loud" min="-30" max="-6" step="0.5">
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<span class="num" id="loud-num">—</span>
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</div>
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<div class="viz">
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<span class="lbl">输入电平</span>
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<div class="bar"><i id="bar-loud"></i></div>
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<span class="num" id="loud-in">-∞</span>
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</div>
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<div class="viz">
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<span class="lbl">动态增益</span>
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<div class="gauge"><i id="loud-gain" style="left:60%"></i></div>
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<span class="num" id="loud-gain-num">—</span>
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</div>
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<div class="row">
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<span class="name">混响湿度</span>
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<input type="range" id="wet" min="0" max="1" step="0.01">
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<span class="num" id="wet-num">—</span>
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</div>
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<div class="row">
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<span class="name">总音量</span>
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<input type="range" id="vol" min="-12" max="12" step="0.5">
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<span class="num" id="vol-num">—</span>
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</div>
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</div>
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<div class="card">
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<h2>32 段 EQ（1/3 倍频程 · ±15 dB）</h2>
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<div class="eq" id="eq"></div>
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<div class="btns">
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<button id="flat">全部归零</button>
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<button id="reset">重新读取</button>
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</div>
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</div>
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<script>
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const el = (id) => document.getElementById(id);
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let gains = new Array(32).fill(0);
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let state = null;
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const post = async (path, body) => {
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const r = await fetch(path, {method:"POST", headers:{"Content-Type":"application/json"}, body:JSON.stringify(body)});
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return r.ok;
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};
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const say = (t) => { el("status").textContent = t; };
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/* ---------- 滚轮捕获 ---------- */
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function bindWheel(input, onDelta, onDone) {
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input.addEventListener("wheel", (e) => {
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e.preventDefault();
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const step = parseFloat(input.step) || 1;
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const fine = e.shiftKey ? step / 5 : step;
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const next = Math.min(parseFloat(input.max), Math.max(parseFloat(input.min),
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parseFloat(input.value) + (e.deltaY < 0 ? fine : -fine)));
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input.value = next;
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onDelta(next);
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if (onDone) clearTimeout(input._t), input._t = setTimeout(onDone, 90);
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}, {passive:false});
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}
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/* ---------- 三个控制滑块 ---------- */
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const loud = el("loud"), wet = el("wet"), vol = el("vol");
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/* 正在拖动/滚动的控件不能再用轮询结果覆盖 —— 否则每 250ms 弹回一次, 表现为
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"推上去自己弹下来, 要试好几次才到位"。原先用 document.activeElement 判断,
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但鼠标拖动时焦点常常不在滑块上, 所以改用显式标志 + 松手后的短暂静默期。 */
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const busy = {};
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const markBusy = (k, ms) => { busy[k] = Date.now() + ms; };
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const isBusy = (k) => (busy[k] || 0) > Date.now();
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[["loud", loud], ["wet", wet], ["vol", vol]].forEach(([k, s]) => {
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s.addEventListener("pointerdown", () => markBusy(k, 1e7)); // 拖动期间一直忙
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const release = () => markBusy(k, 600); // 松手后 0.6s 内别覆盖
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s.addEventListener("pointerup", release);
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s.addEventListener("pointercancel", release);
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s.addEventListener("blur", release);
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s.addEventListener("keydown", () => markBusy(k, 600));
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s.addEventListener("wheel", () => markBusy(k, 700), {passive:true});
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});
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loud.addEventListener("input", () => el("loud-num").textContent = (+loud.value).toFixed(1) + " dB");
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wet.addEventListener("input", () => el("wet-num").textContent = (+wet.value).toFixed(2));
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vol.addEventListener("input", () => el("vol-num").textContent = (+vol.value >= 0 ? "+" : "") + (+vol.value).toFixed(1) + " dB");
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loud.addEventListener("change", async () => { await post("/api/loudness", {target_db:+loud.value}); say("归一化已生效"); });
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wet.addEventListener("change", async () => { await post("/api/wet", {wet:+wet.value}); say("湿度已生效"); });
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vol.addEventListener("change", async () => { await post("/api/volume", {db:+vol.value}); say("总音量已生效"); });
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bindWheel(loud, v => el("loud-num").textContent = v.toFixed(1) + " dB", () => loud.dispatchEvent(new Event("change")));
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bindWheel(wet, v => el("wet-num").textContent = v.toFixed(2), () => wet.dispatchEvent(new Event("change")));
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bindWheel(vol, v => el("vol-num").textContent = (v >= 0 ? "+" : "") + v.toFixed(1) + " dB", () => vol.dispatchEvent(new Event("change")));
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[loud, wet, vol].forEach(s => s.addEventListener("dblclick", () => {
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s.value = s.dataset.def; s.dispatchEvent(new Event("input")); s.dispatchEvent(new Event("change"));
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}));
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loud.dataset.def = -16; wet.dataset.def = 0.3; vol.dataset.def = 0;
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/* ---------- 32 段 EQ ---------- */
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const eqBox = el("eq");
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let commitTimer = null;
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function commitEq() {
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clearTimeout(commitTimer);
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commitTimer = setTimeout(async () => {
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const ok = await post("/api/eq", {gains});
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say(ok ? "EQ 已生效" : "EQ 写入失败");
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}, 90);
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}
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state = null;
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function buildEq(freqs) {
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eqBox.innerHTML = "";
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freqs.forEach((f, i) => {
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const band = document.createElement("div");
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band.className = "band";
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const v = document.createElement("div"); v.className = "v"; v.textContent = "0";
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const input = document.createElement("input");
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input.type = "range"; input.min = -15; input.max = 15; input.step = 0.5; input.value = 0;
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input.dataset.index = i;
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const label = document.createElement("div"); label.className = "f";
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label.textContent = f >= 1000 ? (f / 1000) + "k" : f;
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input.addEventListener("input", () => {
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const val = parseFloat(input.value);
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v.textContent = val === 0 ? "" : (val > 0 ? "+" : "") + val.toFixed(1);
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gains[i] = val;
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commitEq();
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});
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bindWheel(input, (val) => { input.value = val; input.dispatchEvent(new Event("input")); });
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input.addEventListener("dblclick", () => { input.value = 0; input.dispatchEvent(new Event("input")); });
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band.append(v, input, label);
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eqBox.appendChild(band);
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});
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}
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/* ---------- 电平表 ---------- */
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const METERS = [
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["inL", "in_rms", 0], ["outL", "out_rms", 0],
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["inR", "in_rms", 1], ["outR", "out_rms", 1],
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];
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const PK = [["pk-inL","in_peak",0],["pk-outL","out_peak",0],["pk-inR","in_peak",1],["pk-outR","out_peak",1]];
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function fmt(db) { return db <= -119 ? "-∞" : db.toFixed(1); }
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/* 表头手感: 上升立刻跟(不丢瞬态), 下落按每帧固定 dB 平滑(不抖),
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峰值保持 1.6 秒再回落。配上 60 Hz 推送, 数字才是"细腻"而不是乱跳。 */
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const FALL_DB = 0.9;
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const HOLD_SEC = 1.6;
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const disp = {}, pkh = {}, pkt = {};
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function meterSet(id, db) {
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const prev = disp[id];
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const cur = (prev === undefined || db >= prev) ? db : Math.max(db, prev - FALL_DB);
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disp[id] = cur;
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el("bar-" + id).style.width = Math.max(0, Math.min(100, (cur + 60) / 60 * 100)) + "%";
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el("val-" + id).textContent = fmt(cur);
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}
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function peakSet(id, db) {
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const now = Date.now();
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if (pkh[id] === undefined || db >= pkh[id]) {
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pkh[id] = db;
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pkt[id] = now + HOLD_SEC * 1000;
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} else if (now > (pkt[id] || 0)) {
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pkh[id] = Math.max(db, pkh[id] - FALL_DB);
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}
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el(id).textContent = pkh[id] <= -119 ? "" : fmt(pkh[id]);
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}
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function updateMeters(levels) {
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if (!levels) return;
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for (const [id, key, ch] of METERS) meterSet(id, (levels[key] || [-120, -120])[ch]);
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for (const [id, key, ch] of PK) peakSet(id, (levels[key] || [-120, -120])[ch]);
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}
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/* ---------- 归一化的电平与动态增益 ---------- */
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function updateLoud(ll) {
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if (!ll) return;
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const pkDb = 20 * Math.log10(Math.max(Math.max(ll.peak[0], ll.peak[1]), 1e-6));
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const prev = disp["loud"];
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const cur = (prev === undefined || pkDb >= prev) ? pkDb : Math.max(pkDb, prev - FALL_DB);
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disp["loud"] = cur;
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el("bar-loud").style.width = Math.max(0, Math.min(100, (cur + 60) / 60 * 100)) + "%";
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el("loud-in").textContent = fmt(cur) + " dBFS";
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const g = (ll.gain_db[0] + ll.gain_db[1]) / 2; // 两声道共用同一增益
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el("loud-gain-num").textContent = (g >= 0 ? "+" : "") + g.toFixed(2) + " dB";
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// 推子: 量程 -18 ~ +12 dB, 0 dB 落在 60% 处(与刻度线对齐)
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el("loud-gain").style.left = Math.max(0, Math.min(100, (g + 18) / 30 * 100)) + "%";
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}
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/* ---------- 实时推送(约 60 Hz) ---------- */
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/* DSP 的状态本来就每块更新一次(1024/96000 = 10.7 ms)。原来 250 ms 轮询把表和
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数字拖成了幻灯片, 换成 SSE 推送后按帧渲染。 */
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const es = new EventSource("/api/stream");
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es.onmessage = (ev) => {
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try { applyState(JSON.parse(ev.data)); } catch (err) { /* 坏帧忽略 */ }
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};
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es.onerror = () => say("面板与 DSP 失联, 重连中");
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function applyState(d) {
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if (state === null) {
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buildEq(d.freqs);
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gains = d.gains.slice();
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eqBox.querySelectorAll("input").forEach((inp) => {
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inp.value = gains[+inp.dataset.index];
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const v = inp.previousElementSibling;
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const val = parseFloat(inp.value);
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v.textContent = val === 0 ? "" : (val > 0 ? "+" : "") + val.toFixed(1);
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});
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}
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if (!isBusy("vol")) { vol.value = d.volume_db; el("vol-num").textContent = (d.volume_db >= 0 ? "+" : "") + d.volume_db.toFixed(1) + " dB"; }
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if (!isBusy("wet")) { wet.value = d.wet; el("wet-num").textContent = (+d.wet).toFixed(2); }
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if (!isBusy("loud") && d.loudness) { loud.value = d.loudness.target_db; el("loud-num").textContent = (+d.loudness.target_db).toFixed(1) + " dB"; }
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updateMeters(d.levels);
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updateLoud(d.loudness_levels);
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state = d;
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}
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el("flat").addEventListener("click", () => { gains = new Array(32).fill(0); commitEq(); buildEq(state ? state.freqs : []); });
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el("reset").addEventListener("click", () => { state = null; fetch("/api/state").then(r => r.json()).then(applyState).catch(() => say("面板与 DSP 失联")); });
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fetch("/api/state").then(r => r.json()).then(applyState).catch(() => say("面板与 DSP 失联"));
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</script>
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</body>
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</html>
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