Swift AVFoundation Playback Skill

Use this skill to build playback behavior from a stable fundamentals core, then load only the topic files you need.

Read Order

1. •references/player-item-lifecycle.md
2. •references/seeking-and-timelines.md
3. •references/observable-setup.md
4. •references/time-observation.md
5. •references/intent-tracking.md

Topic Map

• •Queue and transitions: references/queue-playback.md, references/gapless-playback.md, references/coordinated-playback.md
• •System integrations: references/airplay-routing.md, references/audio-session.md, references/now-playing.md, references/picture-in-picture.md, references/platform-patterns.md
• •Streaming and reliability: references/hls-streaming.md, references/stall-recovery.md, references/error-handling.md
• •Protected and monetized playback: references/fairplay-drm.md, references/ad-insertion.md

Policy Rules

• •Treat AVFoundation transport properties as signals into your app state machine.
• •Keep UI mutation on the main actor.
• •If Apple documentation does not guarantee a behavior, express it as app policy.

Sources:

• •https://developer.apple.com/documentation/avfoundation/avplayer — Defines the core transport API used throughout this skill.
• •https://developer.apple.com/library/archive/documentation/AudioVideo/Conceptual/AVFoundationPG/Articles/02_Playback.html — Defines playback object relationships and readiness concepts.
• •https://developer.apple.com/library/archive/documentation/AudioVideo/Conceptual/MediaPlaybackGuide/Contents/Resources/en.lproj/Introduction/Introduction.html — Provides Apple’s conceptual structure for media playback fundamentals.