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Case study

rec-rs: an OBS-informed Rust recorder for macOS

A macOS recorder is informed by OBS architecture research using REA package inspection, platform tools and public source references. It offers screen/camera recording and streaming with a deliberately smaller scene/source feature set; the research notes record unavailable native-analysis providers.

Requirements & limits

  • Prerequisites: Universal releases target macOS 15+; building needs the documented Rust/macOS toolchain. Screen, microphone and camera capture depend on the relevant system permissions.
  • Attribution: REA 6.4.0 plist/signature inspection succeeded, but native analyze/layout operations failed or were unavailable; notes also studied OBS source and used separate macOS inspection tools.
  • Limits: No free scene-layout editor, transitions, application/multi-display capture or audio filters; output is 8-bit SDR and the webcam overlay is baked in. Region capture is CLI-only.
  • Testing evidence: The README supplies self-test/soak tooling; YouTube HEVC streaming was checked only against a local server. Not run or reproduced for this catalog.
  • License: Code is documented as MIT OR Apache-2.0; the author states that original OBS code/assets are not included.

About this entry

Type
Case study
Category
Community REA investigations
Relationship
Author-reported mixed workflow
Targets
App

Sources reviewed

The description was reviewed against primary sources. This does not establish runtime testing, security auditing or verified compatibility.

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Primary sources

  1. README.md GitHub · michaelshimeles/rec-rs · Revision 93dd494
  2. analysis/OBS_ARCHITECTURE.md GitHub · michaelshimeles/rec-rs · Revision 93dd494
  3. https://github.com/michaelshimeles/rec-rs/releases/tag/v0.1.2

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