Hardware Video Compression in Rust on macOS — ffmpeg with VideoToolbox

Short summary

Use ffmpeg's h264_videotoolbox encoder for hardware-accelerated video compression on macOS—5-10x faster than software encoding on Intel Macs. This Rust tutorial covers integration via spawn_blocking with a graceful libx264 fallback, plus bundling ffmpeg in Tauri apps.

• •Hardware encoding (h264_videotoolbox) compresses 4K video in 15-30 seconds vs 2-3 minutes with software (libx264)
• •Rust code example uses tokio spawn_blocking to call ffmpeg without blocking async runtime
• •Tauri app resource bundling strategy ensures ffmpeg is available at runtime

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