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Vance Ingalls
a3e1963fe5
The per-parameter surface in the FX panel. An automated parameter's control is disabled — a value typed there would be overwritten by the envelope on the next tick, so the lane is the value now — and the toggle beside it adds or deletes that parameter's lane. Adding seeds the lane with a single point at the value the control already holds, so switching to an envelope never changes the sound, only where the value comes from. Parameters no envelope can drive have no toggle at all: the worklet-backed dynamics expose no AudioParams, a WaveShaper's curve and a convolution impulse are rebuilt wholesale rather than scheduled. Neither does a chain node with no id, since a lane addresses nodes by id — so adding an effect now mints one. Carve moves onto the same non-reloading write, and decodes its source in an `OfflineAudioContext`: opening a second output device mid-playback makes the running track glitch while the hardware is reconfigured. Turning carve off now also drops the filters it generated, which otherwise kept dipping the bed with nothing in the panel to explain it. `AudioFxGroup` moves into its own module — PropertyPanelFlat was at its size budget — which also gave the panel's write behaviour somewhere to be tested: what it writes, seeded at the current value, preserving the lanes it is not touching, and clearing the attribute when the last one goes. 🤖 Generated with [Claude Code](https://claude.com/claude-code)
@hyperframes/studio
Browser-based composition editor UI for Hyperframes. Provides a visual timeline, code editor, and live preview for building video compositions.
Install
npm install @hyperframes/studio
What it does
The studio is a React application with:
- Visual timeline — drag, resize, and arrange elements on tracks
- Code editor — edit HTML and GSAP scripts with CodeMirror (syntax highlighting, autocomplete)
- Live preview — see changes in real time as you edit
- Composition inspector — view and modify element properties
Development
The studio is embedded in the hyperframes preview command. To develop the studio UI itself:
cd packages/studio
bun run dev # Start Vite dev server
bun run build # Build for production
bun run typecheck # Type-check
Tech stack
- React 18/19, Zustand (state management)
- CodeMirror 6 (editor)
- Tailwind CSS (styling)
- Vite (bundler)
- Phosphor Icons
Documentation
Full documentation: hyperframes.heygen.com/packages/studio
Related packages
@hyperframes/core— types and parsers used by the editorhyperframes— CLI that serves the studio viahyperframes preview