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hyperframes/docs/catalog/blocks/camcorder-hud.mdx
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Miguel Ángel 9734578e60 feat(registry): bring back the video-primitive moves (#3169)
Restores the 208 catalog items reverted after their previews 404'd in
production, this time on the payload mechanism rather than the .html files
that caused the outage.

The generator no longer writes a preview document to docs/public. That writer,
and the machinery under it, existed only to produce files the docs host
discards, so it is gone rather than bypassed. Items now embed the composition
itself via a payload, which is what the previous change already does for the
items that were already in the catalog.

The variables explorer is parked, not restored: it drove its preview through
the same unpublished .html path, so it would have shown an empty frame. Items
that declare variables get the live player plus the static variables table, and
reconnecting the explorer to payloads is a follow-up.
2026-08-10 18:46:03 -04:00

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---
title: "Camcorder HUD"
description: "Responsive REC, battery, editable date placeholder, and timeline-driven counter overlay for creator-camera and camcorder treatments"
---
import { InstallCommand } from "/snippets/install-command.jsx";
<iframe
className="w-full aspect-video rounded-xl border-0 bg-zinc-100 dark:bg-zinc-800"
title="camcorder-hud preview"
loading="lazy"
srcDoc={`<!doctype html><html><head><meta charset="utf-8"><style>html,body{margin:0;height:100%;overflow:hidden;background:transparent}hyperframes-player{display:block;width:100%;height:100%}</style><script src="https://cdn.jsdelivr.net/npm/@hyperframes/player@0.7/dist/hyperframes-player.global.js"><\/script></head><body><script>fetch("/public/catalog/blocks/camcorder-hud.json").then(function(r){return r.json()}).then(function(d){var p=document.createElement("hyperframes-player");p.setAttribute("srcdoc",d.html);p.setAttribute("controls","");p.setAttribute("autoplay","");p.setAttribute("loop","");p.setAttribute("muted","");p.setAttribute("poster","https://static.heygen.ai/hyperframes-oss/docs/images/catalog/blocks/camcorder-hud.png");document.body.appendChild(p)});<\/script></body></html>`}
/>
## Install
<InstallCommand command="npx hyperframes add camcorder-hud" />
That writes one file: `compositions/camcorder-hud.html`.
## Add it to your video
It runs for 4 seconds at 1920×1080. Paste this into your composition:
```html index.html
<div
data-composition-id="camcorder-hud"
data-composition-src="compositions/camcorder-hud.html"
data-start="0"
data-duration="4"
data-track-index="1"
data-width="1920"
data-height="1080"
></div>
```
Move it in time with `data-start`. Put it on a different timeline row with
`data-track-index`. See [data attributes](/concepts/data-attributes) for the rest.
## Source
<Accordion title={`camcorder-hud.html`}>
```html
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
<style>
*,
*::before,
*::after {
box-sizing: border-box;
}
html,
body {
width: 1920px;
height: 1080px;
margin: 0;
overflow: hidden;
background: transparent;
}
#ch-hud {
--hf-camcorder-color: #fff;
--hf-camcorder-accent: #f12c2c;
--hf-camcorder-inset: 5vmin;
--hf-camcorder-font-size: 3.7vmin;
position: absolute;
inset: 0;
color: var(--hf-camcorder-color);
font-family: monospace;
font-size: var(--hf-camcorder-font-size);
font-weight: 700;
line-height: 1.25;
pointer-events: none;
-webkit-text-stroke: 0.12vmin rgb(0 0 0 / 92%);
text-shadow: 0 0.2vmin 0.6vmin rgb(0 0 0 / 90%);
}
#ch-hud .ch-corner {
position: absolute;
}
#ch-hud .ch-record {
top: var(--hf-camcorder-inset);
left: var(--hf-camcorder-inset);
display: flex;
align-items: center;
gap: 1.8vmin;
}
#ch-hud .ch-record-dot {
width: 2.2vmin;
height: 2.2vmin;
border-radius: 50%;
background: var(--hf-camcorder-accent);
box-shadow: 0 0 0.9vmin color-mix(in srgb, var(--hf-camcorder-accent) 55%, transparent);
}
#ch-hud .ch-battery {
top: var(--hf-camcorder-inset);
right: var(--hf-camcorder-inset);
width: 7vmin;
height: 3.5vmin;
border: 0.35vmin solid currentcolor;
}
#ch-hud .ch-battery::before {
position: absolute;
top: 0.7vmin;
left: 0.7vmin;
width: 4.7vmin;
height: 1.4vmin;
background: currentcolor;
content: "";
}
#ch-hud .ch-battery::after {
position: absolute;
top: 0.7vmin;
right: -1vmin;
width: 0.7vmin;
height: 1.4vmin;
background: currentcolor;
content: "";
}
#ch-hud .ch-date {
bottom: var(--hf-camcorder-inset);
left: var(--hf-camcorder-inset);
}
#ch-hud .ch-counter {
right: var(--hf-camcorder-inset);
bottom: var(--hf-camcorder-inset);
text-align: right;
}
#ch-hud .ch-mode {
display: block;
margin-bottom: 0.7vmin;
font-size: 2.6vmin;
}
</style>
</head>
<body>
<div
id="camcorder-hud"
data-composition-id="camcorder-hud"
data-start="0"
data-duration="4"
data-width="1920"
data-height="1080"
>
<div id="ch-hud" data-hf-counter-start="0" aria-hidden="true">
<div class="ch-corner ch-record"><span class="ch-record-dot"></span><span>REC</span></div>
<div class="ch-corner ch-battery"></div>
<div class="ch-corner ch-date">JAN 01 2000<br />12:00 AM</div>
<div class="ch-corner ch-counter">
<span class="ch-mode">SP · 16:9</span><span class="ch-counter-value">00:00:00</span>
</div>
</div>
</div>
<script>
window.__timelines = window.__timelines || {};
var hud = document.getElementById("ch-hud");
var counter = hud && hud.querySelector(".ch-counter-value");
var recordDot = hud && hud.querySelector(".ch-record-dot");
var host = hud && hud.closest("[data-composition-id]");
if (!hud || !counter || !recordDot || !host) {
throw new Error("Camcorder HUD could not find its composition host");
}
var compositionId = host.getAttribute("data-composition-id");
var duration = Number(host.getAttribute("data-duration")) || 4;
var counterStart = Number(hud.getAttribute("data-hf-counter-start")) || 0;
var state = { seconds: 0 };
function formatCounter(value) {
var seconds = Math.max(0, Math.floor(value));
var hours = Math.floor(seconds / 3600);
var minutes = Math.floor((seconds % 3600) / 60);
var remainder = seconds % 60;
return [hours, minutes, remainder]
.map(function (part) {
return String(part).padStart(2, "0");
})
.join(":");
}
function updateHud() {
counter.textContent = formatCounter(counterStart + state.seconds);
recordDot.style.opacity = Math.floor(state.seconds / 0.55) % 2 === 0 ? "1" : "0.25";
}
var tl = gsap.timeline({ paused: true });
tl.to(state, { seconds: duration, duration: duration, ease: "none", onUpdate: updateHud }, 0);
updateHud();
window.__timelines[compositionId] = tl;
</script>
</body>
</html>
```
</Accordion>
{/* hf:generated-footer */}
Tagged `camcorder` `camera` `recording` `hud` `overlay` `creator` `media-treatment-overlay`.
## Related topics
- [Browse the complete Catalog](/catalog)
- [Add assets and Catalog items in Studio](/studio/assets-and-blocks)
- [Build a richer composition](/go-further)