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RealtimeSwift - my declarative video rendering framework
by michael_forrest·Jun 26, 2026·1 point·0 comments
AI Analysis
●MidNiche Gem
SwiftUI reimplementation for video frames, but it's proprietary with no code to explore.
Strengths
- •Nine months of production testing across three shipped apps shows real-world validation.
- •Declarative approach to video rendering is a clever domain-specific adaptation.
Weaknesses
- •No open source code or demo available—just a YouTube video of proprietary infrastructure.
- •Nothing for the HN audience to actually use, fork, or learn from directly.
Category
Target Audience
iOS/macOS developers building video applications
Similar To
SwiftUI · SceneKit · Metal
Post Description
RealtimeSwift if the declarative rendering framework behind my suite of connected video apps CueCam Presenter, Video Pencil and Shoot.
I reimplemented most of SwiftUI from scratch in a way that lets me produce video frames for recording, streaming or sending to a virtual camera.
It took me about nine months from start to finish, with another month of bug fixes once it hit production in CueCam.
Ask me anything.
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