v10/internal/design/spf/features/live-stream-support.md

status, date, definition

status	date	definition
draft	2026-05-20	technical

Live stream support

Maintain a playable HLS live presentation as media playlists reload and their windows advance.

Proposed direction

• Model playlist reload as a source-scoped lifecycle.
• Merge segments by stable media identity and handle discontinuities explicitly.
• Derive seekable range and live edge from the current presentation.
• Keep reload scheduling separate from segment loading.

Before implementation

Define target-duration scheduling, stale-response handling, window eviction, initial live position, and terminal errors. Verify sliding windows, discontinuities, transient reload failure, and source replacement.

Related

DVR and event-stream support, LL-HLS support, and network resilience.