tag

#core-media

2 posts

macOSDeep Dive October 3, 2026 7 min read

AVAssetReader on macOS: Sample Providers, Timing, and Cancellation

Read AVFoundation media incrementally with typed outputs, async sample providers, precise timestamps, bounded processing, and explicit failure handling.

#macos#avfoundation#core-media

macOSDeep Dive October 3, 2026 7 min read

AVAssetWriter on macOS: Receivers, Backpressure, and Finalization

Write timed AVFoundation samples with modern receivers, deliberate timeline mapping, bounded backpressure, safe cancellation, and verified output publication.

#macos#avfoundation#core-media