Limelight
Hardware-Accelerated Video Encoding/Decoding
Hardware acceleration offloads video encoding and decoding to dedicated media engines for faster, more power-efficient performance.
Hardware acceleration for video means using specialized fixed-function circuitry, rather than the general-purpose CPU, to encode and decode compressed video. Modern GPUs and systems-on-a-chip include dedicated media engines built specifically for codecs like H.264 and H.265. Because these engines are purpose-built, they handle the heavy math of compression far faster and with much less power than software running on the CPU.
On Apple Silicon and Intel Macs, this is exposed through frameworks such as VideoToolbox, which lets apps tap the built-in media engine for both encoding and decoding. The payoff is smoother capture, faster exports, cooler and quieter machines, and longer battery life, since the CPU stays free for the rest of the workload.
For screen recording, hardware acceleration is what keeps capture fluid while your Mac is also running the app you are demonstrating. Limelight is a native macOS recorder for Apple Silicon and Intel, built to work with the platform's media pipeline for efficient recording and quick MP4 exports.
Why Limelight
- ▸Dedicated media engines encode/decode video instead of the CPU.
- ▸Faster exports, lower power draw, and cooler, quieter machines.
- ▸Exposed on macOS through frameworks like VideoToolbox.
- ▸Limelight is native to Apple Silicon and Intel for efficient capture.
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FAQ
- Why does hardware acceleration matter for recording?
- It offloads the heavy work of encoding to a dedicated engine, so capture stays smooth and exports finish quickly without maxing out the CPU.
- Does it improve battery life?
- Yes. Dedicated media engines use far less power than software encoding, which reduces heat, fan noise, and battery drain during video work.
- Is Limelight native to Apple Silicon?
- Yes. Limelight is a native macOS recorder that runs on both Apple Silicon and Intel Macs for efficient recording and export.