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Vance IngallsandClaude Opus 4.6
9f8e5ba5a1
* feat: initial code port from hyperframes-internal Port all OSS-ready packages from the internal monorepo: - @hyperframes/core — shared types, HTML generation, GSAP utilities, runtime - @hyperframes/cli — CLI for creating, previewing, and rendering compositions - @hyperframes/engine — framework-agnostic rendering engine (BeginFrame + FFmpeg) - @hyperframes/producer — video rendering pipeline (Puppeteer + FFmpeg) - @hyperframes/ui-player — browser-based video player component - @hyperframes/studio — composition editor (React frontend + Hono backend) Includes regression test suite with Docker-based test harness. All HeyGen-internal references, deployment infrastructure, and proprietary assets have been removed. Package names migrated from @app/* to @hyperframes/*. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix: scrub internal codenames and stale references from OSS port - Replace static.heygen.ai runtime URLs in test fixtures - Remove internal CDN publish script (publish-hyperframe-runtime.ts) - Replace sandbox-studio, sandbox-interceptor, __magicEditRuntime with neutral names (studio, hyperframe-runtime, __hyperframeRuntime) - Fix stale Vault API / localhost references in docs - Remove broken deprecated_studio link Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix: remove remaining internal codenames and stale references - Delete stale producer README.md and PIPELINE.md (referenced nonexistent files) - Replace "Cerberus" codename with "HyperFrames" in test design reviews - Replace magic-edit postMessage identifiers with hf-preview/hf-parent - Rename debug-magic-edit-timeline.ts to debug-timeline.ts - Replace "Motion Cut" with "HyperFrames" in Timeline comments - Fix studio/CLI references to nonexistent archive package (use local data/projects/ dir, stub render proxy) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
74 lines
2.9 KiB
Markdown
74 lines
2.9 KiB
Markdown
# Common Mistakes
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Pitfalls that break HyperFrames compositions that can't be caught by the linter.
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> **Linter:** Run `lintHyperframeHtml()` on your composition to catch most issues automatically. The linter detects: missing timeline registration, unmuted video, nested video in timed elements, missing `class="clip"`, deprecated attribute names (`data-layer`, `data-end`), and missing dimensions. See `core/src/lint/` for the full rule list.
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---
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## 1. Animating video element dimensions with GSAP
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**Symptom:** Video frames stop updating, or browser performance drops.
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**Cause:** GSAP animating `width`, `height`, `top`, `left` directly on a `<video>` element can cause the browser to stop rendering frames.
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```js
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// BROKEN — animating video element dimensions
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tl.to("#el-video", { width: 500, height: 280, top: 700, left: 1400 }, 26);
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// FIXED — animate a wrapper div, video fills it at 100%
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tl.to("#pip-wrapper", { width: 500, height: 280, top: 700, left: 1400 }, 26);
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```
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Use a non-timed wrapper div for visual effects like picture-in-picture. Animate the wrapper; let the video fill it.
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---
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## 2. Controlling media playback in scripts
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**Symptom:** Audio/video playback is out of sync, or plays when it shouldn't.
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**Cause:** Calling `video.play()`, `video.pause()`, `audio.currentTime = ...` in your scripts. The framework owns all media playback.
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```js
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// BROKEN — conflicts with framework media sync
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document.getElementById("el-video").play();
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document.getElementById("el-audio").currentTime = 5;
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// FIXED — don't do this. The framework handles it.
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// Use GSAP for visual animations only:
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tl.to("#el-video", { opacity: 1, duration: 0.5 }, 0);
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```
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---
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## 3. Composition duration shorter than video
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**Symptom:** Video plays for a few seconds then stops. Timeline shows 8-10 seconds even though the video is minutes long.
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**Cause:** The composition duration equals the GSAP timeline duration, not `data-duration` on the video. If your last GSAP animation ends at 8 seconds, the composition is 8 seconds long.
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```js
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// BROKEN — timeline is only 8s long, video cuts off
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tl.to("#lower-third", { left: -640, duration: 0.6 }, 7.2);
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// Last tween ends at 7.8s → composition = 7.8s
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// FIXED — extend timeline to match video length
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tl.to("#lower-third", { left: -640, duration: 0.6 }, 7.2);
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tl.set({}, {}, 283); // ← extends timeline to 283 seconds
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```
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`tl.set({}, {}, TIME)` adds a zero-duration tween at the specified time, which extends the timeline without affecting any elements.
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---
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## Debugging checklist
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When something doesn't work, check in this order:
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1. Run the linter: `lintHyperframeHtml(html)` — catches most structural issues
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2. Is `window.__timelines["<id>"]` registered? Does the key match `data-composition-id`?
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3. Are GSAP animations only on visual properties (opacity, transform, color)?
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4. Is the GSAP timeline long enough? (`tl.set({}, {}, DURATION)` at the end)
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5. Open browser console — runtime errors show up as `[Browser:ERROR]` or `[Browser:PAGEERROR]`
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