AVFoundation is Apple's comprehensive framework for time-based audiovisual media on Apple platforms, enabling playback, capture, and editing with deep hardware and software integration [developer.apple.com](https://developer.apple.com/av-foundation/). It differentiates through seamless support for HTTP Live Streaming (HLS), real-time camera and microphone processing, and low-level audio sample manipulation [developer.apple.com](https://developer.apple.com/library/archive/documentation/AudioVideo/Conceptual/AVFoundationPG/Articles/00_Introduction.html). The framework provides a unified API across iOS, iPadOS, macOS, tvOS, visionOS, and watchOS, allowing developers to build rich media experiences from simple playback to complex video compositing [developer.apple.com](https://developer.apple.com/av-foundation/).
Framework for working with time-based audiovisual media, including playback, creation, and editing of QuickTime movies and MPEG-4 files.
Framework and reference for audio functionality within Apple’s audiovisual stack.
Framework for media pipeline timing and data handling used with audiovisual applications.
Framework for image buffer and video image processing support in media workflows.
Framework for video encode, decode, and processing capabilities.
