letteka
f19ccf349b
Reviewed-on: #29 Co-authored-by: Andrew Kettel <andrew.kettel@gmail.com> Co-committed-by: Andrew Kettel <andrew.kettel@gmail.com>
537 lines
14 KiB
HTML
537 lines
14 KiB
HTML
<!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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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Pi Camera</title>
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<style>
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* {
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box-sizing: border-box;
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margin: 0;
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padding: 0;
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}
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body {
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font-family: sans-serif;
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background: #0f0f0f;
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color: #f0f0f0;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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min-height: 100vh;
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gap: 1.5rem;
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padding: 2rem;
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}
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h1 {
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font-size: 1.4rem;
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letter-spacing: 0.05em;
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}
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#preview {
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width: 100%;
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max-width: 720px;
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aspect-ratio: 16/9;
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background: #1a1a1a;
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border: 1px solid #333;
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border-radius: 8px;
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overflow: hidden;
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position: relative;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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#preview.is-recording {
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outline: 2px solid #ef4444;
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outline-offset: 2px;
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animation: rec-pulse 2s ease-in-out infinite;
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}
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@keyframes rec-pulse {
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0%,
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100% {
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outline-color: #ef4444;
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}
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50% {
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outline-color: #7f1d1d;
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}
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}
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#stream-video {
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width: 100%;
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height: 100%;
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object-fit: cover;
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display: none;
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}
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#placeholder {
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color: #555;
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font-size: 0.9rem;
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 0.5rem;
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}
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.controls {
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display: flex;
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gap: 1rem;
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align-items: center;
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flex-wrap: wrap;
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justify-content: center;
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}
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button {
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padding: 0.6rem 2rem;
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font-size: 1rem;
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border: none;
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border-radius: 6px;
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cursor: pointer;
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transition: opacity 0.2s, background 0.2s;
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}
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button:disabled {
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opacity: 0.35;
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cursor: not-allowed;
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}
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#btn-start {
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background: #22c55e;
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color: #000;
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}
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#btn-stop {
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background: #ef4444;
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color: #fff;
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}
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#btn-record {
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background: #3f3f3f;
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color: #f0f0f0;
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display: flex;
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align-items: center;
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gap: 0.5rem;
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}
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#btn-record.is-recording {
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background: #b91c1c;
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color: #fff;
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}
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.rec-dot {
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width: 10px;
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height: 10px;
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border-radius: 50%;
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background: currentColor;
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flex-shrink: 0;
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}
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#btn-record.is-recording .rec-dot {
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animation: blink 1s step-start infinite;
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}
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@keyframes blink {
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0%,
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100% {
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opacity: 1;
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}
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50% {
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opacity: 0;
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}
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}
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.badge {
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font-size: 0.8rem;
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padding: 0.25rem 0.75rem;
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border-radius: 999px;
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font-weight: 600;
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letter-spacing: 0.03em;
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}
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.badge.live {
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background: #dc2626;
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color: #fff;
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}
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#status {
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font-size: 0.85rem;
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color: #888;
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min-height: 1.2em;
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}
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#recordings-section {
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width: 100%;
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max-width: 720px;
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}
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#recordings-section h2 {
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font-size: 0.9rem;
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letter-spacing: 0.06em;
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text-transform: uppercase;
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color: #666;
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margin-bottom: 0.75rem;
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padding-bottom: 0.4rem;
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border-bottom: 1px solid #222;
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}
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#recordings-list {
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display: flex;
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flex-direction: column;
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gap: 0.4rem;
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}
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.recording-item {
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display: flex;
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align-items: center;
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justify-content: space-between;
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background: #1a1a1a;
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border: 1px solid #2a2a2a;
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border-radius: 6px;
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padding: 0.5rem 0.85rem;
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font-size: 0.82rem;
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gap: 1rem;
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}
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.recording-item .rec-name {
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font-family: monospace;
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color: #ccc;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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flex: 1;
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}
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.recording-item .rec-meta {
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color: #555;
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white-space: nowrap;
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font-size: 0.75rem;
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}
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.recording-item a {
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color: #22c55e;
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text-decoration: none;
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font-size: 0.78rem;
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white-space: nowrap;
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transition: color 0.15s;
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}
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.recording-item a:hover {
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color: #4ade80;
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}
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#recordings-empty {
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color: #444;
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font-size: 0.82rem;
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text-align: center;
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padding: 0.75rem 0;
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}
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</style>
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</head>
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<body>
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<h1>Pi Camera</h1>
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<div id="preview">
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<div id="placeholder">
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<span id="placeholder-text">Checking stream...</span>
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</div>
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<video id="stream-video" autoplay muted playsinline></video>
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</div>
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<div class="controls" id="controls"></div>
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<p id="status"></p>
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<div id="recordings-section">
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<h2>Recordings</h2>
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<div id="recordings-list">
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<p id="recordings-empty">No recordings yet.</p>
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</div>
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</div>
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<script src="https://cdn.jsdelivr.net/npm/hls.js@1/dist/hls.min.js"></script>
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<script>
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const video = document.getElementById("stream-video");
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const placeholder = document.getElementById("placeholder");
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const placeholderText = document.getElementById("placeholder-text");
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const controls = document.getElementById("controls");
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const statusEl = document.getElementById("status");
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const preview = document.getElementById("preview");
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const recordingsList = document.getElementById("recordings-list");
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let hls = null;
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let pollInterval = null;
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let isRecording = false;
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function setStatus(msg) { statusEl.textContent = msg; }
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function fmtBytes(b) {
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if (b < 1024) return b + " B";
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if (b < 1048576) return (b / 1024).toFixed(1) + " KB";
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return (b / 1048576).toFixed(1) + " MB";
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}
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function fmtDate(iso) { return new Date(iso).toLocaleString(); }
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// ── Recordings list ─────────────────────────────────────────────────────
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async function refreshRecordings() {
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const res = await fetch("/camera/recordings");
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const list = await res.json();
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recordingsList.innerHTML = "";
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if (list.length === 0) {
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recordingsList.innerHTML = '<p id="recordings-empty">No recordings yet.</p>';
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return;
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}
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list.forEach(rec => {
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const item = document.createElement("div");
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item.className = "recording-item";
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item.innerHTML =
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'<span class="rec-name">' + rec.filename + '</span>' +
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'<span class="rec-meta">' + fmtBytes(rec.size_bytes) + ' · ' + fmtDate(rec.created_at) + '</span>' +
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'<a href="/camera/recordings/' + rec.filename + '" download>Download</a>';
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recordingsList.appendChild(item);
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});
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}
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// ── Record button ───────────────────────────────────────────────────────
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function createRecordButton() {
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const btn = document.createElement("button");
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btn.id = "btn-record";
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const dot = document.createElement("span");
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dot.className = "rec-dot";
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const label = document.createElement("span");
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label.className = "rec-label";
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if (isRecording) {
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btn.classList.add("is-recording");
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label.textContent = "Stop Recording";
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} else {
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label.textContent = "Record";
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}
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btn.appendChild(dot);
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btn.appendChild(label);
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btn.addEventListener("click", toggleRecording);
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return btn;
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}
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async function toggleRecording() {
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const btn = document.getElementById("btn-record");
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if (btn) btn.disabled = true;
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if (!isRecording) {
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setStatus("Starting recording...");
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const res = await fetch("/camera/record/start", { method: "POST" });
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const data = await res.json();
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if (data.status === "recording" || data.status === "already_recording") {
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isRecording = true;
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setStatus("Recording");
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} else {
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setStatus("Failed to start recording: " + (data.message || "unknown error"));
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}
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} else {
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setStatus("Stopping recording...");
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await fetch("/camera/record/stop", { method: "POST" });
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isRecording = false;
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setStatus("Recording saved");
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await refreshRecordings();
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}
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const streaming = !!document.getElementById("btn-stop");
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renderControls(streaming);
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}
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// ── Controls ────────────────────────────────────────────────────────────
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function renderControls(running) {
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controls.innerHTML = "";
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if (running) {
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const stop = document.createElement("button");
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stop.id = "btn-stop";
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stop.textContent = "Stop Stream";
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stop.addEventListener("click", stopStream);
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controls.appendChild(stop);
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} else {
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const start = document.createElement("button");
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start.id = "btn-start";
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start.textContent = "Start Stream";
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start.addEventListener("click", startStream);
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controls.appendChild(start);
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}
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controls.appendChild(createRecordButton());
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if (running) {
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const badge = document.createElement("span");
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badge.className = "badge live";
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badge.textContent = "Live";
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controls.appendChild(badge);
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}
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if (isRecording) {
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preview.classList.add("is-recording");
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} else {
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preview.classList.remove("is-recording");
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}
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}
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// ── Video display ────────────────────────────────────────────────────────
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function showOffline(message) {
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video.style.display = "none";
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video.src = "";
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placeholder.style.display = "flex";
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placeholderText.textContent = message || "Stream is offline";
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}
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function showLive() {
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placeholder.style.display = "none";
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video.style.display = "block";
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}
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// ── HLS ──────────────────────────────────────────────────────────────────
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function startHls() {
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const src = "/camera/hls/stream.m3u8";
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if (hls) { hls.destroy(); hls = null; }
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if (Hls.isSupported()) {
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hls = new Hls({ lowLatencyMode: false, backBufferLength: 10 });
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hls.loadSource(src);
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hls.attachMedia(video);
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hls.on(Hls.Events.MANIFEST_PARSED, () => {
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video.play().catch(e => console.warn("Autoplay blocked:", e));
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showLive();
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setStatus("Streaming");
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});
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hls.on(Hls.Events.ERROR, (event, data) => {
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if (data.fatal) {
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showOffline("Stream error — reloading...");
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setTimeout(attachToStream, 3000);
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}
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});
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} else if (video.canPlayType("application/vnd.apple.mpegurl")) {
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video.src = src;
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video.play().catch(e => console.warn("Autoplay blocked:", e));
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showLive();
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setStatus("Streaming");
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} else {
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setStatus("HLS not supported in this browser");
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}
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}
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function stopHls() {
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if (hls) { hls.destroy(); hls = null; }
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video.pause();
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video.src = "";
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video.style.display = "none";
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}
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// ── Status polling ────────────────────────────────────────────────────────
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async function fetchStatus() {
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const res = await fetch("/camera/status");
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return res.json();
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}
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async function waitForReady(maxAttempts) {
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maxAttempts = maxAttempts || 40;
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for (let i = 0; i < maxAttempts; i++) {
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const data = await fetchStatus();
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if (data.ready) return true;
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await new Promise(r => setTimeout(r, 500));
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}
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return false;
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}
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async function attachToStream() {
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const data = await fetchStatus();
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isRecording = data.recording || false;
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if (data.ready) {
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startHls();
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renderControls(true);
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} else if (data.running) {
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setStatus("Stream starting...");
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placeholderText.textContent = "Stream starting...";
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const ready = await waitForReady();
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if (ready) {
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startHls();
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renderControls(true);
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} else {
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showOffline("Stream timed out");
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renderControls(false);
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}
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} else {
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showOffline("Stream is offline");
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renderControls(false);
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}
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}
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function startOfflinePoll() {
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stopOfflinePoll();
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pollInterval = setInterval(async () => {
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const data = await fetchStatus();
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if (data.running || data.ready) {
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stopOfflinePoll();
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await attachToStream();
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}
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}, 5000);
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}
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function stopOfflinePoll() {
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if (pollInterval) { clearInterval(pollInterval); pollInterval = null; }
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}
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// ── Stream start / stop ───────────────────────────────────────────────────
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async function startStream() {
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const current = await fetchStatus();
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if (current.running || current.ready) { await attachToStream(); return; }
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const btn = document.getElementById("btn-start");
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if (btn) btn.disabled = true;
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setStatus("Starting camera...");
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placeholderText.textContent = "Starting...";
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await fetch("/camera/start", { method: "POST" });
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setStatus("Waiting for first segment...");
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const ready = await waitForReady();
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if (!ready) {
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showOffline("Camera timed out — check Pi logs");
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renderControls(false);
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startOfflinePoll();
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return;
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}
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startHls();
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renderControls(true);
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stopOfflinePoll();
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}
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async function stopStream() {
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stopHls();
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showOffline("Stream is offline");
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setStatus("Stopping...");
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renderControls(false);
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await fetch("/camera/stop", { method: "POST" });
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setStatus("Stream stopped");
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startOfflinePoll();
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}
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// ── Init ──────────────────────────────────────────────────────────────────
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(async () => {
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await attachToStream();
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await refreshRecordings();
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const data = await fetchStatus();
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if (!data.running && !data.ready) startOfflinePoll();
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})();
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</script>
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</body>
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</html> |