355 lines
11 KiB
HTML
355 lines
11 KiB
HTML
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Dragon Fork — WHEP Player</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<style>
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:root {
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color-scheme: light dark;
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--fg: #e7e7ea;
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--bg: #0d0e12;
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--accent: #ff6633;
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--muted: #8b8e98;
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--good: #5dd29c;
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--warn: #ffb45e;
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--bad: #ff6470;
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--panel: #1a1c22;
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}
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* { box-sizing: border-box; }
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body {
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margin: 0;
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font: 14px/1.5 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
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background: var(--bg);
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color: var(--fg);
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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}
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header {
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padding: 1.25rem 1.5rem;
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border-bottom: 1px solid #232530;
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display: flex;
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align-items: baseline;
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gap: 0.75rem;
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}
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header h1 {
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margin: 0;
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font-size: 1.05rem;
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letter-spacing: 0.02em;
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}
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header h1 .accent { color: var(--accent); }
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header .subtitle { color: var(--muted); font-size: 0.85rem; }
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main {
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display: grid;
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grid-template-columns: 1fr;
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gap: 1rem;
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padding: 1.5rem;
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max-width: 1200px;
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width: 100%;
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margin: 0 auto;
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flex: 1;
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}
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@media (min-width: 900px) {
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main {
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grid-template-columns: 360px 1fr;
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align-items: start;
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}
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}
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.panel {
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background: var(--panel);
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border-radius: 10px;
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padding: 1.25rem;
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}
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label {
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display: block;
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margin-top: 0.75rem;
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color: var(--muted);
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font-size: 0.78rem;
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text-transform: uppercase;
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letter-spacing: 0.06em;
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}
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input[type=text] {
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width: 100%;
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padding: 0.55rem 0.7rem;
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margin-top: 0.25rem;
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background: #0d0e12;
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border: 1px solid #2a2c36;
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border-radius: 6px;
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color: var(--fg);
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font: inherit;
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}
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input[type=text]:focus { border-color: var(--accent); outline: none; }
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.actions {
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display: flex;
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gap: 0.5rem;
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margin-top: 1.25rem;
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}
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button {
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flex: 1;
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padding: 0.7rem 1rem;
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border: none;
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border-radius: 6px;
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background: var(--accent);
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color: #000;
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font-weight: 600;
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cursor: pointer;
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}
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button:disabled { opacity: 0.4; cursor: not-allowed; }
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button.secondary { background: #2a2c36; color: var(--fg); }
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video {
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width: 100%;
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background: #000;
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border-radius: 10px;
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aspect-ratio: 16 / 9;
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}
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.stats {
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display: grid;
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grid-template-columns: max-content 1fr;
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gap: 0.4rem 1rem;
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margin-top: 1rem;
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font-size: 0.85rem;
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}
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.stats .label { color: var(--muted); }
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.stats .value { font-variant-numeric: tabular-nums; }
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.pill {
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display: inline-block;
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padding: 0.1rem 0.55rem;
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border-radius: 999px;
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font-size: 0.75rem;
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background: #2a2c36;
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}
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.pill.good { background: rgba(93,210,156,0.18); color: var(--good); }
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.pill.warn { background: rgba(255,180,94,0.18); color: var(--warn); }
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.pill.bad { background: rgba(255,100,112,0.20); color: var(--bad); }
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.log {
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margin-top: 1rem;
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max-height: 220px;
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overflow-y: auto;
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background: #0d0e12;
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padding: 0.6rem 0.8rem;
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border-radius: 6px;
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font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
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font-size: 0.78rem;
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line-height: 1.4;
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white-space: pre-wrap;
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word-break: break-word;
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}
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.log .ts { color: var(--muted); }
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</style>
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</head>
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<body>
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<header>
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<h1>Dragon Fork <span class="accent">WHEP</span></h1>
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<span class="subtitle">manual smoke test for the WebRTC egress path</span>
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</header>
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<main>
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<section class="panel">
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<label for="whep-url">WHEP endpoint</label>
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<input id="whep-url" type="text" placeholder="http://10.0.0.25:8090/api/v3/whep/myStream"
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value="">
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<label for="bearer">JWT bearer token</label>
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<input id="bearer" type="text" placeholder="eyJhbGciOi…">
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<div class="actions">
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<button id="btn-play">Subscribe</button>
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<button id="btn-stop" class="secondary" disabled>Disconnect</button>
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</div>
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<div class="stats">
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<span class="label">ICE</span> <span id="stat-ice" class="value pill">idle</span>
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<span class="label">Connection</span> <span id="stat-conn" class="value pill">idle</span>
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<span class="label">Resource</span> <span id="stat-res" class="value">—</span>
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<span class="label">Video codec</span> <span id="stat-vcodec" class="value">—</span>
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<span class="label">Audio codec</span> <span id="stat-acodec" class="value">—</span>
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<span class="label">Inbound bitrate</span><span id="stat-bitrate" class="value">—</span>
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</div>
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<div id="log" class="log" aria-live="polite"></div>
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</section>
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<section class="panel" style="padding:0;background:#000;">
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<video id="video" controls autoplay playsinline muted></video>
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</section>
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</main>
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<script>
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// --- tiny state -------------------------------------------------
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const $ = (id) => document.getElementById(id);
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const log = (line, level='info') => {
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const ts = new Date().toLocaleTimeString();
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const div = document.createElement('div');
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div.innerHTML = `<span class="ts">${ts}</span> <span class="lvl-${level}">${line}</span>`;
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$('log').prepend(div);
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};
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const setPill = (el, text, klass) => { el.textContent = text; el.className = 'value pill ' + klass; };
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let pc = null;
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let resourceURL = null; // absolute or path; whichever the server returned
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let bitrateTimer = null;
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// --- subscribe / disconnect -------------------------------------
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$('btn-play').addEventListener('click', subscribe);
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$('btn-stop').addEventListener('click', disconnect);
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// Pre-populate WHEP endpoint from query string for shareable URLs
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// (e.g. file:///.../whep-player.html?url=http://.../whep/foo&token=…).
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(function bootstrap() {
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const q = new URLSearchParams(location.search);
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if (q.get('url')) $('whep-url').value = q.get('url');
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if (q.get('token')) $('bearer').value = q.get('token');
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})();
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async function subscribe() {
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if (pc) { log('already connected; disconnect first', 'warn'); return; }
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const url = $('whep-url').value.trim();
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const token = $('bearer').value.trim();
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if (!url) { log('WHEP URL is required', 'bad'); return; }
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$('btn-play').disabled = true;
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$('btn-stop').disabled = false;
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setPill($('stat-ice'), 'gathering', 'warn');
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setPill($('stat-conn'), 'connecting', 'warn');
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pc = new RTCPeerConnection({
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// No ICE servers: production deploy advertises NAT1To1 host
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// candidates, which work over the LAN. Add stun:/turn: here
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// if you're testing across NAT.
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iceServers: [],
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});
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pc.ontrack = (evt) => {
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log(`ontrack: kind=${evt.track.kind}`, 'info');
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// Both tracks share the same MediaStream; attach once.
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if ($('video').srcObject !== evt.streams[0]) {
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$('video').srcObject = evt.streams[0];
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}
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};
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pc.oniceconnectionstatechange = () => {
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const s = pc.iceConnectionState;
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let klass = 'warn';
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if (s === 'connected' || s === 'completed') klass = 'good';
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else if (s === 'failed' || s === 'disconnected' || s === 'closed') klass = 'bad';
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setPill($('stat-ice'), s, klass);
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log(`ICE state: ${s}`);
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};
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pc.onconnectionstatechange = () => {
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const s = pc.connectionState;
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let klass = 'warn';
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if (s === 'connected') klass = 'good';
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else if (s === 'failed' || s === 'disconnected' || s === 'closed') klass = 'bad';
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setPill($('stat-conn'), s, klass);
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log(`PC state: ${s}`);
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};
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pc.addTransceiver('video', { direction: 'recvonly' });
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pc.addTransceiver('audio', { direction: 'recvonly' });
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try {
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const offer = await pc.createOffer();
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await pc.setLocalDescription(offer);
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// Wait for ICE gathering to complete so the offer is non-trickle.
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await new Promise((res) => {
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if (pc.iceGatheringState === 'complete') return res();
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pc.addEventListener('icegatheringstatechange', () => {
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if (pc.iceGatheringState === 'complete') res();
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});
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});
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const headers = { 'Content-Type': 'application/sdp' };
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if (token) headers['Authorization'] = 'Bearer ' + token;
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const resp = await fetch(url, {
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method: 'POST',
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headers,
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body: pc.localDescription.sdp,
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});
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if (!resp.ok) {
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const body = await resp.text();
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throw new Error(`WHEP POST ${resp.status}: ${body || resp.statusText}`);
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}
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// Per WHEP spec: server returns SDP answer; Location is the resource.
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const loc = resp.headers.get('Location');
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if (loc) {
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// Resolve relative Location against the WHEP URL.
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try { resourceURL = new URL(loc, url).toString(); }
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catch { resourceURL = loc; }
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$('stat-res').textContent = resourceURL;
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}
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const answer = await resp.text();
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await pc.setRemoteDescription({ type: 'answer', sdp: answer });
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log(`subscribed (${resp.status})`, 'good');
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// Pull codec info out of the SDP for a quick UI hint.
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const codec = (kind, sdp) => {
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const m = new RegExp(`m=${kind}[^\r\n]*[\r\n](?:[abc][^\r\n]*[\r\n]){0,30}?a=rtpmap:\\d+ ([^/\r\n]+)`).exec(sdp);
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return m ? m[1] : '?';
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};
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$('stat-vcodec').textContent = codec('video', answer);
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$('stat-acodec').textContent = codec('audio', answer);
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bitrateTimer = setInterval(updateBitrate, 1000);
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} catch (err) {
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log(`error: ${err.message}`, 'bad');
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await disconnect();
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}
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}
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async function disconnect() {
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if (bitrateTimer) { clearInterval(bitrateTimer); bitrateTimer = null; }
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$('btn-play').disabled = false;
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$('btn-stop').disabled = true;
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// WHEP: best-effort DELETE on the resource URL the server gave us.
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if (resourceURL) {
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try {
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const headers = {};
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const token = $('bearer').value.trim();
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if (token) headers['Authorization'] = 'Bearer ' + token;
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const r = await fetch(resourceURL, { method: 'DELETE', headers });
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log(`DELETE ${r.status}`, r.ok ? 'good' : 'warn');
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} catch (e) {
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log(`DELETE failed: ${e.message}`, 'warn');
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}
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resourceURL = null;
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}
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if (pc) { pc.close(); pc = null; }
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$('video').srcObject = null;
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setPill($('stat-ice'), 'idle', '');
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setPill($('stat-conn'), 'idle', '');
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$('stat-res').textContent = '—';
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$('stat-vcodec').textContent = '—';
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$('stat-acodec').textContent = '—';
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$('stat-bitrate').textContent = '—';
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}
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// --- bitrate sampling -------------------------------------------
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let lastBytes = null;
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let lastTs = null;
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async function updateBitrate() {
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if (!pc || pc.connectionState !== 'connected') return;
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const stats = await pc.getStats();
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let bytes = 0;
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stats.forEach((r) => {
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if (r.type === 'inbound-rtp' && !r.isRemote) bytes += r.bytesReceived || 0;
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});
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const now = performance.now();
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if (lastBytes !== null) {
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const kbps = ((bytes - lastBytes) * 8) / ((now - lastTs) || 1);
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$('stat-bitrate').textContent = kbps.toFixed(0) + ' kbps';
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}
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lastBytes = bytes;
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lastTs = now;
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}
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</script>
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</body>
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</html>
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