https://martianlee.github.io/posts MartianLee's tech blog exploring web development, software architecture, and AI/LLM technologies. ko-KR martionlee@gmail.com (MartianLee) martionlee@gmail.com (MartianLee) Wed, 07 Oct 2026 09:00:00 GMT https://martianlee.github.io/posts/2026-10-07-hyperframes-architecture https://martianlee.github.io/posts/2026-10-07-hyperframes-architecture HyperFrames is HeyGen’s open-source framework for rendering HTML pages to MP4. It never plays the page. For every frame, it moves the page’s clock and every animation to that instant, then captures. I followed the code, rendered videos myself, and measured how speed scales with workers and whether the output is really identical. Wed, 07 Oct 2026 09:00:00 GMT martionlee@gmail.com (MartianLee) hyperframesvideo-renderingheadless-chromepuppeteerffmpeggsapdeterministic-renderingai-agentarchitecture https://martianlee.github.io/posts/2026-10-07-hyperframes-architecture https://martianlee.github.io/posts/2026-10-07-hyperframes-architecture HyperFrames는 HTML 페이지를 MP4로 렌더링하는 HeyGen의 오픈소스 프레임워크입니다. 페이지를 재생하지 않고, 프레임마다 페이지의 시계와 모든 애니메이션을 그 시각으로 옮긴 뒤 찍습니다. 코드를 따라가고, 직접 렌더링해서 worker 수별 속도와 결과가 정말 같은지 측정했습니다. Wed, 07 Oct 2026 09:00:00 GMT martionlee@gmail.com (MartianLee) hyperframesvideo-renderingheadless-chromepuppeteerffmpeggsapdeterministic-renderingai-agentarchitecture