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maya2-native-studio
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Maya 2 Native Studio</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@fontsource-variable/inter@5/index.css" />
<style>
  :root {
    --ink: #0b2a6b;
    --deep: #123a9e;
    --green: #35c14f;
    --glass: rgba(255, 255, 255, 0.10);
    --glass-strong: rgba(255, 255, 255, 0.16);
    --stroke: rgba(255, 255, 255, 0.24);
    --text: rgba(255, 255, 255, 0.95);
    --muted: rgba(255, 255, 255, 0.68);
    --dim: rgba(255, 255, 255, 0.45);
    --radius: 18px;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  [hidden] { display: none !important; }
  html { height: 100%; }
  body {
    font-family: "Inter Variable", "Inter", ui-sans-serif, system-ui, sans-serif;
    color: var(--text);
    min-height: 100vh;
    background: linear-gradient(180deg, #0f3aa8 0%, #1a55d6 34%, #4f8fe8 68%, #a9d3f7 100%);
    background-attachment: fixed;
    padding-bottom: 44px; /* status bar */
    -webkit-font-smoothing: antialiased;
  }

  /* ------- sky + hills ------- */
  .cloud {
    position: fixed; border-radius: 50%; pointer-events: none; z-index: 0;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0) 68%);
    animation: drift linear infinite;
  }
  .cloud.c1 { width: 420px; height: 130px; top: 9%;  left: -6%;  animation-duration: 90s; }
  .cloud.c2 { width: 560px; height: 170px; top: 3%;  right: -8%; animation-duration: 120s; animation-delay: -30s; }
  .cloud.c3 { width: 320px; height: 100px; top: 34%; left: 12%;  animation-duration: 105s; animation-delay: -60s; opacity: 0.7; }
  .cloud.c4 { width: 380px; height: 120px; top: 28%; right: 6%;  animation-duration: 80s;  animation-delay: -15s; opacity: 0.75; }
  @keyframes drift {
    from { transform: translateX(-4vw); }
    50%  { transform: translateX(4vw); }
    to   { transform: translateX(-4vw); }
  }
  .hills {
    position: fixed; left: 0; right: 0; bottom: 0; width: 100%; height: 32vh;
    z-index: 0; pointer-events: none;
  }

  /* ------- top bar ------- */
  .topbar {
    position: relative; z-index: 10;
    display: flex; align-items: center; gap: 14px; padding: 10px 22px;
    background: rgba(10, 30, 84, 0.30);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }
  .brand { display: flex; align-items: center; gap: 9px; font-weight: 650; font-size: 0.95rem; white-space: nowrap; }
  .brand .mark { width: 26px; height: 26px; border-radius: 8px; display: block; flex-shrink: 0; }
  .brand .brand-sub { color: var(--muted); font-weight: 500; padding-left: 12px; margin-left: 4px; border-left: 1px solid rgba(255,255,255,0.22); }
  .mode-tabs { display: flex; gap: 2px; background: rgba(8, 24, 64, 0.35); border: 1px solid rgba(255,255,255,0.16); border-radius: 999px; padding: 3px; margin-left: 10px; }
  .mode-tabs button {
    border: none; border-radius: 999px; padding: 6px 18px; font: 600 0.82rem/1 inherit; font-family: inherit;
    background: transparent; color: var(--muted); cursor: pointer; transition: all 0.15s;
  }
  .mode-tabs button:hover { color: var(--text); }
  .mode-tabs button.active { background: white; color: var(--ink); box-shadow: 0 2px 8px rgba(6, 26, 70, 0.35); }
  .spacer { flex: 1; }
  .toplink {
    color: var(--muted); text-decoration: none; font-size: 0.82rem; font-weight: 550; white-space: nowrap;
    transition: color 0.15s;
  }
  .toplink:hover { color: white; }
  .toplink.cta {
    color: white; border: 1px solid rgba(255,255,255,0.45); border-radius: 999px; padding: 6px 15px;
    transition: background 0.15s, border-color 0.15s;
  }
  .toplink.cta:hover { background: rgba(255,255,255,0.14); border-color: white; }

  /* ------- hero ------- */
  main { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; }
  .hero { text-align: center; padding: 52px 20px 26px; max-width: 860px; }
  .badge {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.78rem; font-weight: 550; color: rgba(255,255,255,0.9);
    background: rgba(255, 255, 255, 0.14); border: 1px solid rgba(255, 255, 255, 0.30);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border-radius: 999px; padding: 7px 16px; margin-bottom: 26px;
  }
  .badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
  .hero h1 {
    font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.04;
    text-shadow: 0 2px 24px rgba(9, 32, 88, 0.35);
  }
  .hero .sub {
    margin-top: 18px; font-size: clamp(0.95rem, 1.6vw, 1.1rem); color: rgba(255,255,255,0.85);
    font-weight: 450; line-height: 1.5;
  }

  /* ------- console ------- */
  .console {
    width: min(780px, calc(100vw - 32px));
    background: var(--glass); border: 1px solid var(--stroke); border-radius: 24px;
    backdrop-filter: blur(20px) saturate(1.25); -webkit-backdrop-filter: blur(20px) saturate(1.25);
    box-shadow: 0 24px 60px rgba(6, 26, 70, 0.35);
    padding: 20px;
  }
  textarea, select, input[type="number"] {
    font-family: inherit; color: var(--text);
    background: rgba(8, 24, 64, 0.30); border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 14px; outline: none;
  }
  textarea:focus, select:focus, input[type="number"]:focus { border-color: rgba(255,255,255,0.55); box-shadow: 0 0 0 3px rgba(255,255,255,0.12); }
  textarea { width: 100%; padding: 14px 16px; font-size: 1rem; line-height: 1.55; resize: vertical; }
  textarea::placeholder { color: var(--dim); }
  .row { display: flex; gap: 12px; margin-top: 12px; align-items: flex-end; }
  .field { display: flex; flex-direction: column; gap: 6px; }
  .field.grow { flex: 1; min-width: 0; }
  .field label { font-size: 0.72rem; font-weight: 650; letter-spacing: 0.09em; text-transform: uppercase; color: var(--dim); padding-left: 4px; }
  select {
    appearance: none; -webkit-appearance: none; width: 100%; padding: 11px 36px 11px 14px; font-size: 0.92rem; cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center;
  }
  select option { color: #10245c; background: white; }
  .persona { margin: 8px 4px 0; font-size: 0.8rem; color: var(--muted); min-height: 1.1em; }

  /* clone panel */
  .clone { margin-top: 14px; border: 1px solid rgba(255,255,255,0.16); border-radius: 16px; background: rgba(8, 24, 64, 0.18); }
  .clone summary {
    list-style: none; cursor: pointer; padding: 12px 16px; font-size: 0.88rem; font-weight: 600;
    display: flex; align-items: center; gap: 8px; user-select: none;
  }
  .clone summary::-webkit-details-marker { display: none; }
  .clone summary::after { content: "＋"; margin-left: auto; color: var(--muted); font-weight: 500; }
  .clone[open] summary::after { content: "－"; }
  .clone-state {
    font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em; color: #0d3d1c;
    background: #7de08f; border-radius: 999px; padding: 3px 9px; text-transform: uppercase;
  }
  .clone-state:empty { display: none; }
  .clone-body { padding: 0 14px 14px; display: flex; flex-direction: column; gap: 10px; }
  .dropzone {
    border: 1.5px dashed rgba(255,255,255,0.35); border-radius: 14px; padding: 18px;
    text-align: center; font-size: 0.86rem; color: var(--muted); cursor: pointer; transition: all 0.15s;
  }
  .dropzone:hover, .dropzone.over { border-color: white; background: rgba(255,255,255,0.08); color: var(--text); }
  .dropzone u { text-decoration-thickness: 1px; }
  .dropzone button {
    border: 1px solid rgba(255,255,255,0.4); background: transparent; color: white; font: 600 0.76rem/1 inherit;
    font-family: inherit; border-radius: 999px; padding: 5px 12px; cursor: pointer; margin-left: 4px;
  }
  .dropzone button:hover { background: rgba(255,255,255,0.14); }
  .clip-row { display: flex; gap: 8px; align-items: center; }
  .clip-row audio { flex: 1; height: 36px; min-width: 0; }
  .clip-row button {
    border: 1px solid rgba(255,255,255,0.3); background: transparent; color: var(--muted);
    width: 32px; height: 32px; border-radius: 50%; cursor: pointer; flex-shrink: 0;
  }
  .clip-row button:hover { color: white; border-color: white; }
  #ref-text { font-size: 0.88rem; }
  .hint { font-size: 0.76rem; color: var(--dim); line-height: 1.45; padding: 0 2px; }

  /* advanced row */
  .adv { align-items: center; flex-wrap: wrap; }
  .switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 0.82rem; color: var(--muted); }
  .switch input { display: none; }
  .switch .sw {
    width: 34px; height: 20px; border-radius: 999px; background: rgba(8, 24, 64, 0.5);
    border: 1px solid rgba(255,255,255,0.25); position: relative; transition: background 0.15s; flex-shrink: 0;
  }
  .switch .sw::after {
    content: ""; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 50%;
    background: white; transition: transform 0.15s;
  }
  .switch input:checked + .sw { background: var(--green); border-color: var(--green); }
  .switch input:checked + .sw::after { transform: translateX(14px); }
  .seed-box { display: inline-flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--muted); }
  .seed-box input { width: 92px; padding: 6px 10px; font-size: 0.82rem; border-radius: 10px; }

  /* run button + result */
  #run-btn {
    width: 100%; margin-top: 16px; border: none; border-radius: 999px; padding: 15px;
    background: white; color: var(--ink); font: 700 1rem/1 inherit; font-family: inherit;
    cursor: pointer; transition: transform 0.12s, box-shadow 0.12s, opacity 0.15s;
    box-shadow: 0 8px 24px rgba(6, 26, 70, 0.35);
  }
  #run-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 12px 30px rgba(6, 26, 70, 0.45); }
  #run-btn:disabled { opacity: 0.55; cursor: wait; }
  .cold-hint { text-align: center; font-size: 0.74rem; color: var(--dim); margin-top: 9px; }
  .result {
    margin-top: 16px; border: 1px solid rgba(255,255,255,0.22); border-radius: 18px;
    background: rgba(8, 24, 64, 0.28); padding: 14px 16px;
  }
  .result-top { display: flex; align-items: center; gap: 14px; }
  #play-btn {
    width: 46px; height: 46px; border-radius: 50%; border: none; flex-shrink: 0;
    background: white; color: var(--ink); font-size: 1rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 14px rgba(6, 26, 70, 0.4); transition: transform 0.12s;
  }
  #play-btn:hover { transform: scale(1.05); }
  #wave { flex: 1; height: 56px; min-width: 0; cursor: pointer; }
  .result-meta { display: flex; align-items: center; gap: 10px; margin-top: 10px; font-size: 0.78rem; color: var(--muted); font-weight: 550; }
  #result-time { font-variant-numeric: tabular-nums; color: var(--text); }
  .result-meta a {
    margin-left: auto; color: white; font-weight: 700; text-decoration: none;
    border: 1px solid rgba(255,255,255,0.35); border-radius: 999px; padding: 4px 12px; font-size: 0.74rem;
    transition: background 0.15s;
  }
  .result-meta a:hover { background: rgba(255,255,255,0.16); }

  /* history */
  .history { margin-top: 14px; display: flex; align-items: center; gap: 10px; }
  .hlabel { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); flex-shrink: 0; }
  .history-strip { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 2px; }
  .hchip {
    flex-shrink: 0; border: 1px solid rgba(255,255,255,0.25); background: rgba(255,255,255,0.10);
    color: var(--text); border-radius: 999px; padding: 6px 13px; font: 550 0.76rem/1 inherit; font-family: inherit;
    cursor: pointer; transition: background 0.15s;
  }
  .hchip:hover { background: rgba(255,255,255,0.22); }

  /* examples */
  .examples {
    width: min(880px, calc(100vw - 32px)); margin-top: 26px;
    display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; position: relative; z-index: 1;
  }
  .ex-chip {
    border: 1px solid rgba(255,255,255,0.28); background: rgba(255,255,255,0.10);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    color: var(--text); border-radius: 999px; padding: 8px 15px; cursor: pointer;
    font: 550 0.8rem/1.2 inherit; font-family: inherit; transition: background 0.15s, transform 0.12s;
    max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  .ex-chip b { font-weight: 700; margin-right: 5px; }
  .ex-chip:hover { background: rgba(255,255,255,0.22); transform: translateY(-1px); }

  .foot { margin: 30px 0 6px; font-size: 0.74rem; color: var(--dim); text-align: center; position: relative; z-index: 1; }
  .foot a { color: var(--muted); }

  /* workflow view */
  #workflow-view { position: fixed; inset: 47px 0 36px 0; z-index: 5; background: #0d1526; }
  #workflow-view iframe { width: 100%; height: 100%; border: none; }

  /* status bar */
  .statusbar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
    display: flex; align-items: center; gap: 10px; padding: 8px 18px;
    background: rgba(8, 22, 58, 0.75); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255,255,255,0.12); font-size: 0.78rem; color: var(--muted);
  }
  .pulse { width: 8px; height: 8px; border-radius: 50%; background: #6be07f; flex-shrink: 0; }
  .statusbar.busy .pulse { background: #ffd166; animation: pulse 1s ease-in-out infinite; }
  @keyframes pulse { 50% { opacity: 0.35; } }
  #seed-out { font-variant-numeric: tabular-nums; }

  @media (max-width: 640px) {
    .brand .brand-sub { display: none; }
    .toplink:not(.cta) { display: none; }
    .hero { padding-top: 36px; }
  }
</style>
</head>
<body>

<div class="cloud c1"></div>
<div class="cloud c2"></div>
<div class="cloud c3"></div>
<div class="cloud c4"></div>

<svg class="hills" viewBox="0 0 1440 360" preserveAspectRatio="none" aria-hidden="true">
  <path d="M0,170 C240,110 430,195 720,160 C1010,128 1210,195 1440,150 L1440,360 L0,360 Z" fill="#84c96f"/>
  <path d="M0,235 C210,185 480,255 760,225 C1040,195 1240,255 1440,215 L1440,360 L0,360 Z" fill="#52b25c"/>
  <path d="M0,295 C260,255 520,315 820,285 C1120,255 1300,315 1440,285 L1440,360 L0,360 Z" fill="#37944b"/>
</svg>

<header class="topbar">
  <div class="brand">
    <svg class="mark" viewBox="0 0 26 26" aria-hidden="true">
      <rect width="26" height="26" rx="7" fill="#35c14f"/>
      <path d="M7 8h9M7 13h12M7 18h7" stroke="white" stroke-width="2.4" stroke-linecap="round"/>
    </svg>
    Maya Research
    <span class="brand-sub">Maya 2 Native Studio</span>
  </div>
  <nav class="mode-tabs">
    <button id="mode-studio" class="active">Studio</button>
    <button id="mode-workflow">Workflow</button>
  </nav>
  <div class="spacer"></div>
  <a class="toplink" href="https://huggingface.co/maya-research/maya2-native" target="_blank" rel="noopener">Model card ↗</a>
  <a class="toplink" href="https://github.com/MayaResearch/maya2-native" target="_blank" rel="noopener">GitHub ↗</a>
  <a class="toplink" href="/login/huggingface" target="_blank" rel="noopener">Sign in</a>
  <a class="toplink cta" href="/workflow/?ui=canvas" target="_blank" rel="noopener">Open canvas ↗</a>
</header>

<main id="studio-view">
  <section class="hero">
    <div class="badge"><span class="badge-dot"></span>Apache-2.0 · 12 languages · 20 voices · voice cloning</div>
    <h1>Voice models<br />that sound native</h1>
    <p class="sub">Real-time speech that carries the accent, rhythm, and emotion of a native speaker —<br />in 11 Indic languages and English.</p>
  </section>

  <section class="console">
    <textarea id="text" rows="4" placeholder="Type something to say — in any of the 12 supported languages…"></textarea>

    <div class="row">
      <div class="field grow"><label for="lang">Language</label><select id="lang"></select></div>
      <div class="field grow"><label for="voice">Voice</label><select id="voice"></select></div>
    </div>
    <div class="persona" id="persona"></div>

    <details class="clone" id="clone-panel">
      <summary>🎭 Clone a voice instead <span class="clone-state" id="clone-state"></span></summary>
      <div class="clone-body">
        <div class="dropzone" id="dropzone">
          Drop a 3–10 s clip here, or <u>browse files</u> ·
          <button id="sample-ref" type="button">try the Ritvik sample</button>
        </div>
        <div class="clip-row" id="clip-row" hidden>
          <audio id="clip-player" controls></audio>
          <button id="clip-clear" title="Remove reference clip">✕</button>
        </div>
        <textarea id="ref-text" rows="2" placeholder="Exact transcript of the clip — what is said, word for word…"></textarea>
        <div class="row" style="margin-top:0">
          <div class="field grow"><label for="ref-lang">Clip language</label><select id="ref-lang"></select></div>
        </div>
        <p class="hint">A reference clip overrides the named voice. The clip's language and the output
        language can differ — a Hindi reference can speak Tamil. Only clone voices you have permission to use.</p>
      </div>
    </details>

    <div class="row adv">
      <label class="switch"><input type="checkbox" id="normalize" checked /><span class="sw"></span><span>Normalize numbers &amp; dates</span></label>
      <div class="spacer"></div>
      <div class="seed-box"><label for="seed">Seed</label><input type="number" id="seed" value="0" min="0" max="2147483647" /></div>
      <label class="switch"><input type="checkbox" id="randomize" checked /><span class="sw"></span><span>Randomize</span></label>
    </div>

    <button id="run-btn">▶&nbsp; Generate speech</button>
    <p class="cold-hint">The first run after idle wakes a GPU worker — about a minute. Warm runs take seconds.</p>

    <div class="result" id="result" hidden>
      <div class="result-top">
        <button id="play-btn" title="Play / pause">▶</button>
        <canvas id="wave"></canvas>
      </div>
      <div class="result-meta">
        <span id="result-time">0:00</span>
        <span id="result-meta">—</span>
        <a id="download" download="maya2-native.wav">Download ↓</a>
      </div>
      <audio id="player" hidden></audio>
    </div>

    <div class="history" id="history" hidden>
      <span class="hlabel">History</span>
      <div class="history-strip" id="history-strip"></div>
    </div>
  </section>

  <section class="examples" id="examples"></section>

  <footer class="foot">
    Unofficial studio · Model by <a href="https://huggingface.co/maya-research" target="_blank" rel="noopener">Maya Research</a> · Apache-2.0 ·
    Disclose synthetic speech; clone only with permission
  </footer>
</main>

<section id="workflow-view" hidden>
  <iframe id="workflow-frame" title="Maya 2 Native workflow canvas"></iframe>
</section>

<footer class="statusbar" id="statusbar">
  <div class="pulse"></div>
  <span id="status">Idle</span>
  <div class="spacer"></div>
  <span id="seed-out"></span>
</footer>

<input type="file" id="file-input" accept="audio/*,.wav,.mp3,.flac,.ogg,.m4a" />

<script type="module">
  import { client } from "https://cdn.jsdelivr.net/npm/@gradio/client@2.7.1/dist/index.min.js";

  const $ = (id) => document.getElementById(id);
  const state = { app: null, refPath: null };

  const LANGS = [
    ["hi", "हिन्दी · Hindi"], ["en", "English"], ["as", "অসমীয়া · Assamese"],
    ["bn", "বাংলা · Bengali"], ["gu", "ગુજરાતી · Gujarati"], ["kn", "ಕನ್ನಡ · Kannada"],
    ["ml", "മലയാളം · Malayalam"], ["mr", "मराठी · Marathi"], ["or", "ଓଡ଼ିଆ · Odia"],
    ["pa", "ਪੰਜਾਬੀ · Punjabi"], ["ta", "தமிழ் · Tamil"], ["te", "తెలుగు · Telugu"],
  ];
  const LANG_NATIVE = Object.fromEntries(LANGS.map(([c, n]) => [c, n.split(" · ")[0]]));

  const VOICES = {
    Ahana:    ["Young female · bright, youthful", "all 11 Indic languages + English"],
    Vaidehi:  ["Adult female · calm, gentle", "all 11 Indic languages + English"],
    Malini:   ["Mature female · steady narrator", "all 11 Indic languages + English"],
    Charvi:   ["Young female · energetic, upbeat", "all 11 Indic languages + English"],
    Jahnavi:  ["Adult female · warm, friendly", "10 Indic languages + English"],
    Anirban:  ["Adult male · steady narrator", "all 11 Indic languages + English"],
    Nakul:    ["Young male · bright, youthful", "all 11 Indic languages + English"],
    Vasant:   ["Mature male · steady narrator", "10 Indic languages + English"],
    Siddhant: ["Adult male · clear, professional", "all 11 Indic languages + English"],
    Satvik:   ["Young male · warm, friendly", "all 11 Indic languages + English"],
    Abhay:    ["Adult male · conversational", "English, Hindi"],
    Nivedita: ["Adult female · conversational", "English, Hindi"],
    Ishwari:  ["Adult female · conversational", "Hindi"],
    Ritvik:   ["Adult male · conversational", "Hindi"],
    Vrinda:   ["Young female · conversational", "Hindi"],
    Sreekar:  ["Adult male · conversational", "English, Hindi, Telugu"],
    Kayal:    ["Adult female · conversational", "English, Tamil"],
    Shaunak:  ["Young male · conversational", "English, Hindi"],
    Akshat:   ["Adult male · conversational", "English, Hindi"],
    Tanushree:["Adult female · conversational", "English, Hindi"],
  };

  const EXAMPLES = [
    ["क्या आपका वर्तमान पता 45, एमजी रोड, अंधेरी ईस्ट, मुंबई 400069 है? यदि हाँ, तो 1 दबाएं।", "hi", "Ritvik"],
    ["The EMI for your home loan is due by 12-10-24; please ensure your account has sufficient funds.", "en", "Siddhant"],
    ["এন ই এফ টি লেনদেনটো সম্পূৰ্ণ হ'বলৈ প্ৰায় 2 ঘণ্টা 30 মিনিট সময় লাগিব পাৰে।", "as", "Nakul"],
    ["12/08/2023 তারিখে আপনার 1,500 টাকার refund process হয়ে গেছে, status update চেক করুন।", "bn", "Jahnavi"],
    ["જી બિલકુલ, મને સિસ્ટમમાં દેખાય છે કે તમારું ₹2,500 નું પેમેન્ટ 15મી તારીખે સક્સેસફુલ થઈ ગયું છે.", "gu", "Vaidehi"],
    ["ಹೌದಾ... ಅದು ನಿಜಕ್ಕೂ ಕಷ್ಟ. ನಿಮ್ಮ ಅಂತಿಮ ಬಿಲ್ ₹45,000 ಆಗಿದೆ, ಅದರಲ್ಲಿ ಇನ್ಶೂರೆನ್ಸ್ ಕವರ್ ಆಗಿದೆಯಾ ಅಂತ ಚೆಕ್ ಮಾಡ್ತೀನಿ.", "kn", "Satvik"],
    ["റദ്ദാക്കിയ ടിക്കറ്റിന്റെ റീഫണ്ട് തുകയായ ₹1,800 മൂന്ന് ദിവസത്തിനുള്ളിൽ ലഭിക്കും.", "ml", "Anirban"],
    ["मला 98765 43210 या नंबरवर OTP आला नाही, कृपया पुन्हा resend करा.", "mr", "Charvi"],
    ["ଦୟାକରି ମନେରଖନ୍ତୁ ଯେ EMI ପ୍ରତ୍ୟେକ ମାସର 5 ତାରିଖରେ କଟିବ ଏବଂ ଏହା ଆପଣଙ୍କର 3ୟ କିସ୍ତି।", "or", "Ahana"],
    ["NEFT ਰਾਹੀਂ ਫੰਡ ਟਰਾਂਸਫਰ 00:30 ਤੋਂ 23:30 ਤੱਕ ਉਪਲਬਧ ਹਨ।", "pa", "Malini"],
    ["கடந்த நிதியாண்டில் வங்கியின் மொத்த லாபம் ₹3.5 கோடி, இதில் ₹45 லட்சம் முதலீட்டாளர்களுக்கு வழங்கப்பட்டது.", "ta", "Abhay"],
    ["సేవింగ్స్ తో పోలిస్తే ఫిక్స్డ్ డిపాజిట్ వడ్డీ నిష్పత్తి 3:2 గా ఉండి, 7.25% ఇస్తుంది.", "te", "Nivedita"],
  ];

  // Bundled showcase clip from the model repo — handy for a first voice-cloning run.
  const SAMPLE_REF = {
    url: "https://huggingface.co/maya-research/maya2-native/resolve/main/samples/hi_ritvik.wav",
    name: "hi_ritvik.wav",
    text: "क्या आपका वर्तमान पता 45, एमजी रोड, अंधेरी ईस्ट, मुंबई 400069 है? यदि हाँ, तो 1 दबाएं।",
    lang: "hi",
  };

  // ---------- setup ----------
  for (const [code, name] of LANGS) {
    $("lang").add(new Option(name, code));
    $("ref-lang").add(new Option(name, code));
  }
  $("lang").value = "hi";
  $("ref-lang").value = "hi";
  for (const name of Object.keys(VOICES)) $("voice").add(new Option(name, name));
  $("voice").value = "Ritvik";

  function showPersona() {
    const p = VOICES[$("voice").value];
    $("persona").textContent = p ? `${p[0]} — trained on ${p[1]}` : "";
  }
  $("voice").onchange = showPersona;
  showPersona();

  for (const [text, lang, voice] of EXAMPLES) {
    const chip = document.createElement("button");
    chip.className = "ex-chip";
    chip.innerHTML = `<b>${LANG_NATIVE[lang]}</b>${text}`;
    chip.title = `${text}  ·  voice: ${voice}`;
    chip.onclick = () => {
      $("text").value = text;
      $("lang").value = lang;
      $("voice").value = voice;
      showPersona();
      $("text").focus();
      setStatus(`Example loaded — ${voice} reads ${LANG_NATIVE[lang]}. Hit Generate.`);
    };
    $("examples").appendChild(chip);
  }

  // ---------- gradio client ----------
  async function getApp() {
    if (!state.app) state.app = await client(location.origin, { events: ["data", "status"] });
    return state.app;
  }

  async function uploadFile(file) {
    const form = new FormData();
    form.append("files", file);
    const resp = await fetch("/gradio_api/upload", { method: "POST", body: form });
    if (!resp.ok) throw new Error(`Upload failed (${resp.status})`);
    const paths = await resp.json();
    return Array.isArray(paths) ? paths[0] : paths;
  }

  function setStatus(text, busy = false) {
    $("status").textContent = text;
    $("statusbar").classList.toggle("busy", busy);
    $("run-btn").disabled = busy;
  }

  // ---------- mode tabs ----------
  let frameLoaded = false;
  function setMode(mode) {
    $("mode-studio").classList.toggle("active", mode === "studio");
    $("mode-workflow").classList.toggle("active", mode === "workflow");
    $("studio-view").style.display = mode === "workflow" ? "none" : "";
    $("workflow-view").hidden = mode !== "workflow";
    if (mode === "workflow" && !frameLoaded) {
      $("workflow-frame").src = "/workflow/?ui=canvas";
      frameLoaded = true;
    }
  }
  $("mode-studio").onclick = () => setMode("studio");
  $("mode-workflow").onclick = () => setMode("workflow");

  // The engine is pre-warmed server-side at boot; no page-load GPU call here —
  // an unattributed call would bill the Space's shared anonymous allowance.

  // ---------- reference clip ----------
  async function attachClip(file) {
    setStatus("Uploading reference clip…", true);
    try {
      state.refPath = await uploadFile(file);
      $("clip-player").src = URL.createObjectURL(file);
      $("clip-row").hidden = false;
      $("clone-state").textContent = "active";
      $("clone-panel").open = true;
      updateRunLabel();
      setStatus("Reference clip ready — add its exact transcript.");
    } catch (err) {
      setStatus(String(err));
    }
  }
  $("dropzone").onclick = () => $("file-input").click();
  $("dropzone").addEventListener("dragover", (e) => { e.preventDefault(); $("dropzone").classList.add("over"); });
  $("dropzone").addEventListener("dragleave", () => $("dropzone").classList.remove("over"));
  $("dropzone").addEventListener("drop", (e) => {
    e.preventDefault();
    $("dropzone").classList.remove("over");
    if (e.dataTransfer.files[0]) attachClip(e.dataTransfer.files[0]);
  });
  $("file-input").onchange = (e) => {
    const file = e.target.files[0];
    e.target.value = "";
    if (file) attachClip(file);
  };
  $("sample-ref").onclick = async (e) => {
    e.stopPropagation();
    setStatus("Fetching the Ritvik sample clip…", true);
    try {
      const blob = await (await fetch(SAMPLE_REF.url)).blob();
      await attachClip(new File([blob], SAMPLE_REF.name, { type: "audio/wav" }));
      $("ref-text").value = SAMPLE_REF.text;
      $("ref-lang").value = SAMPLE_REF.lang;
      setStatus("Sample clip + transcript loaded — hit Generate.");
    } catch (err) {
      setStatus(String(err));
    }
  };
  $("clip-clear").onclick = () => {
    state.refPath = null;
    $("clip-row").hidden = true;
    $("clip-player").removeAttribute("src");
    $("clone-state").textContent = "";
    updateRunLabel();
  };
  function updateRunLabel() {
    $("run-btn").innerHTML = state.refPath ? "▶&nbsp; Generate with cloned voice" : "▶&nbsp; Generate speech";
  }

  // ---------- history ----------
  const historyItems = [];
  function pushHistory(item) {
    historyItems.unshift(item);
    if (historyItems.length > 10) historyItems.pop();
    $("history").hidden = false;
    const strip = $("history-strip");
    strip.innerHTML = "";
    historyItems.forEach((h, i) => {
      const chip = document.createElement("button");
      chip.className = "hchip";
      chip.textContent = `${h.voice} · ${h.lang} · ${h.duration}s`;
      chip.title = h.text.slice(0, 120);
      chip.onclick = () => showResult(h, false);
      strip.appendChild(chip);
    });
  }

  // ---------- generate ----------
  function unwrap(result) {
    // submit() messages can nest the yield one level deep ({data: {data: [v]}}).
    let data = result?.data;
    if (data && !Array.isArray(data) && Array.isArray(data.data)) data = data.data;
    if (Array.isArray(data)) data = data[0];
    return data ?? {};
  }

  // ---------- waveform player ----------
  const wave = $("wave");
  const wctx = wave.getContext("2d");
  const player = $("player");
  let wavePeaks = null;
  let audioCtx = null;

  async function buildWave(url) {
    try {
      audioCtx = audioCtx || new (window.AudioContext || window.webkitAudioContext)();
      const buf = await audioCtx.decodeAudioData(await (await fetch(url)).arrayBuffer());
      const data = buf.getChannelData(0);
      const bars = 120;
      const peaks = new Float32Array(bars);
      const step = Math.floor(data.length / bars) || 1;
      for (let i = 0; i < bars; i++) {
        let peak = 0;
        const start = i * step;
        for (let j = start; j < Math.min(start + step, data.length); j += 8) {
          const v = Math.abs(data[j]);
          if (v > peak) peak = v;
        }
        peaks[i] = peak;
      }
      wavePeaks = peaks;
    } catch {
      wavePeaks = null; // decode failed: fall back to a flat progress bar
    }
    drawWave();
  }

  function drawWave() {
    const dpr = window.devicePixelRatio || 1;
    const w = wave.clientWidth, h = wave.clientHeight;
    if (!w) return;
    if (wave.width !== Math.round(w * dpr)) { wave.width = Math.round(w * dpr); wave.height = Math.round(h * dpr); }
    wctx.setTransform(dpr, 0, 0, dpr, 0, 0);
    wctx.clearRect(0, 0, w, h);
    let frac = player.duration ? player.currentTime / player.duration : 0;
    if (streamCtl && streamCtl.streamed > 0 && audioCtx) {
      frac = Math.min(1, Math.max(0, (audioCtx.currentTime - streamCtl.t0) / streamCtl.streamed));
    }
    const bars = wavePeaks ? wavePeaks.length : 120;
    const gap = 2;
    const bw = Math.max(1.5, (w - gap * (bars - 1)) / bars);
    for (let i = 0; i < bars; i++) {
      const p = wavePeaks ? Math.max(0.06, wavePeaks[i]) : 0.5;
      const bh = Math.max(3, p * (h - 6));
      const x = i * (bw + gap);
      wctx.fillStyle = i / bars <= frac ? "#ffffff" : "rgba(255,255,255,0.30)";
      if (wctx.roundRect) {
        wctx.beginPath();
        wctx.roundRect(x, (h - bh) / 2, bw, bh, bw / 2);
        wctx.fill();
      } else {
        wctx.fillRect(x, (h - bh) / 2, bw, bh);
      }
    }
  }

  function fmtTime(s) {
    if (!isFinite(s)) s = 0;
    return `${Math.floor(s / 60)}:${String(Math.floor(s % 60)).padStart(2, "0")}`;
  }

  player.addEventListener("timeupdate", () => {
    drawWave();
    $("result-time").textContent = `${fmtTime(player.currentTime)} / ${fmtTime(player.duration)}`;
  });
  player.addEventListener("play", () => { $("play-btn").textContent = "⏸"; });
  player.addEventListener("pause", () => { $("play-btn").textContent = "▶"; });
  player.addEventListener("ended", () => { $("play-btn").textContent = "▶"; drawWave(); });
  $("play-btn").onclick = () => {
    if (streamCtl && audioCtx) { // a take is streaming: pause the whole context
      if (audioCtx.state === "running") { audioCtx.suspend(); $("play-btn").textContent = "▶"; }
      else { audioCtx.resume(); $("play-btn").textContent = "⏸"; }
      return;
    }
    if (!player.src) return;
    player.paused ? player.play().catch(() => {}) : player.pause();
  };
  wave.addEventListener("click", (e) => {
    if (!player.duration) return;
    const box = wave.getBoundingClientRect();
    player.currentTime = Math.min(0.999, Math.max(0, (e.clientX - box.left) / box.width)) * player.duration;
  });
  window.addEventListener("resize", drawWave);

  function showResult(item, isNew, autoplay = true) {
    stopLive();
    player.src = item.audio_url;
    $("download").href = item.audio_url;
    $("result-meta").textContent = `${item.voice} · ${item.langName} · ${item.duration}s`;
    $("result-time").textContent = `0:00 / ${fmtTime(item.duration)}`;
    $("result").hidden = false;
    $("seed-out").textContent = "seed " + item.seed;
    $("play-btn").textContent = "▶";
    wavePeaks = null;
    drawWave();
    buildWave(item.audio_url);
    if (autoplay) player.play().catch(() => {});
    if (isNew) pushHistory(item);
  }

  // ---------- streaming generation (SSE of PCM chunks -> WebAudio) ----------
  let streamCtl = null;

  function stopLive() {
    if (streamCtl) {
      streamCtl.aborted = true;
      try { streamCtl.submission?.cancel(); } catch {}
      streamCtl = null;
      if (audioCtx) { audioCtx.close().catch(() => {}); audioCtx = null; }
    }
    $("play-btn").textContent = "▶";
  }

  function base64ToInt16(b64) {
    const bin = atob(b64);
    const bytes = new Uint8Array(bin.length);
    for (let i = 0; i < bin.length; i++) bytes[i] = bin.charCodeAt(i);
    return new Int16Array(bytes.buffer);
  }

  function scheduleChunk(ctl, pcm) {
    const buf = audioCtx.createBuffer(1, pcm.length, 24000);
    const chan = buf.getChannelData(0);
    for (let i = 0; i < pcm.length; i++) chan[i] = pcm[i] / 32768;
    const src = audioCtx.createBufferSource();
    src.buffer = buf;
    src.connect(audioCtx.destination);
    const start = Math.max(audioCtx.currentTime + 0.12, ctl.playTime);
    src.start(start);
    ctl.playTime = start + buf.duration;
    ctl.streamed += buf.duration;
  }

  // Streams through gradio's own API (/speak_stream), so the visitor's
  // huggingface.co identity reaches ZeroGPU and the take bills their quota.
  async function streamGenerate(payload) {
    const ctl = { submission: null, streamed: 0, playTime: 0, t0: 0, done: false, aborted: false };
    streamCtl = ctl;
    const app = await getApp();
    audioCtx = audioCtx || new (window.AudioContext || window.webkitAudioContext)({ sampleRate: 24000 });
    await audioCtx.resume();
    ctl.t0 = audioCtx.currentTime + 0.05;
    $("result").hidden = false;
    $("result-meta").textContent = `${payload.voice || "cloned voice"} · ${LANG_NATIVE[payload.lang] || payload.lang} · live`;
    $("result-time").textContent = "0:00";
    $("play-btn").textContent = "⏸";
    wavePeaks = [];
    drawWave();
    let finalItem = null;
    ctl.submission = app.submit("/speak_stream", payload);
    try {
      for await (const msg of ctl.submission) {
        if (ctl.aborted) return null;
        if (msg.type === "status") {
          if (msg.stage === "error") throw new Error(msg.message || "Generation failed.");
          continue;
        }
        if (msg.type !== "data" && msg.type !== "generating") continue;
        const ev = unwrap(msg);
        if (ev.type === "audio") {
          const pcm = base64ToInt16(ev.audio);
          scheduleChunk(ctl, pcm);
          let peak = 0;
          for (let i = 0; i < pcm.length; i += 16) {
            const v = Math.abs(pcm[i]) / 32768;
            if (v > peak) peak = v;
          }
          wavePeaks.push(peak);
          drawWave();
          $("result-time").textContent = `${fmtTime(Math.max(0, audioCtx.currentTime - ctl.t0))} / ${fmtTime(ctl.streamed)}`;
          setStatus(`Streaming… ${ctl.streamed.toFixed(1)}s of audio`, true);
        } else if (ev.type === "done") {
          finalItem = ev;
        } else if (ev.type === "error") {
          throw new Error(ev.message);
        }
      }
    } catch (err) {
      if (ctl.aborted) return null;
      throw err;
    }
    ctl.done = true;
    if (ctl.aborted) return null;
    return { item: finalItem, ctl };
  }

  // Swap the live stream for the file-backed player once playback has drained.
  function watchDrain(ctl, item, meta) {
    if (streamCtl !== ctl) return; // a newer take replaced this one
    if (!audioCtx || audioCtx.currentTime + 0.05 >= ctl.playTime) {
      streamCtl = null;
      showResult({ ...item, ...meta }, true, false); // no autoplay: already heard
      return;
    }
    drawWave();
    $("result-time").textContent = `${fmtTime(Math.max(0, audioCtx.currentTime - ctl.t0))} / ${fmtTime(ctl.streamed)}`;
    setTimeout(() => watchDrain(ctl, item, meta), 200);
  }

  $("run-btn").onclick = async () => {
    const text = $("text").value.trim();
    if (!text) { setStatus("Type something to say first."); $("text").focus(); return; }
    const lang = $("lang").value;
    const seed = parseInt($("seed").value, 10) || 0;
    const randomize = $("randomize").checked;
    const normalize = $("normalize").checked;
    const cloning = state.refPath != null;
    if (cloning && !$("ref-text").value.trim()) {
      setStatus("Voice cloning needs the reference clip's exact transcript.");
      $("clone-panel").open = true;
      $("ref-text").focus();
      return;
    }
    stopLive();
    const payload = { text, lang, voice: $("voice").value, normalize, seed, randomize };
    if (cloning) Object.assign(payload, {
      ref_audio: state.refPath,
      ref_text: $("ref-text").value.trim(),
      ref_lang: $("ref-lang").value,
    });
    const meta = {
      text, lang,
      langName: LANG_NATIVE[lang] || lang,
      voice: cloning ? "cloned voice" : $("voice").value,
    };
    try {
      setStatus("Waking the GPU worker — first run can take about a minute…", true);
      const outcome = await streamGenerate(payload);
      if (!outcome) return; // aborted by a newer take
      const { item, ctl } = outcome;
      if (!item || !item.audio_url) { setStatus("Stream ended without audio (see console)."); return; }
      watchDrain(ctl, item, meta);
      setStatus("Done");
    } catch (err) {
      stopLive();
      let msg = err?.message || String(err);
      if (/gpu limit|quota/i.test(msg)) {
        msg += " — sign in with Hugging Face (open the Workflow tab) to use your own ZeroGPU quota.";
      }
      setStatus(msg);
    }
  };

  // Ctrl/Cmd+Enter generates.
  $("text").addEventListener("keydown", (e) => {
    if ((e.metaKey || e.ctrlKey) && e.key === "Enter") $("run-btn").click();
  });
</script>
</body>
</html>