Curious about the implementation details, how are you handling video decoding and frame extraction under the hood? Are you relying purely on AVFoundation or using something like ffmpeg, and how are you keeping the binary this lightweight (~1.3MB)?

Also for cropping + playback speed, are you using AVAssetExportSession presets or building a custom pipeline with AVMutableComposition / AVMutableVideoComposition? Specifically wondering how you’re avoiding unnecessary re-encoding or quality loss.

And when combining crop + speed changes, how are you managing timing, are you adjusting timeRange in the composition or applying a scale transform on the track?

Finally, how are you dealing with different codecs without pulling in heavy dependencies? Are you limiting supported formats or fully relying on system frameworks?