Case Study: Media Player

Modeling a media player with play, pause, buffering, and seeking states.

Overview

Media players are a textbook example of state machines — the playback states (playing, paused, buffering, seeking) have clear transitions and guard conditions.

Key Concepts

Playback states: idle → loading → playing → paused → seeking → ended

Guards for seek availability

Parallel states for volume and playback rate

Actors for audio/video element control

Pattern: Data Fetching — Buffering async loading

Pattern: Animations — Animation states

Learn: Actor Model — Actor-based media control

TODO

Add complete media player machine

Add playlist management

Add keyboard shortcut handling

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