every.channel/evolution/proposals/ECP-0027-unified-add-stream-flow.md
2026-02-15 16:17:27 -05:00

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# ECP-0027: unified add-stream flow (live-only, ytdlp options, persistence)
Status: Draft
## Problem / context
We currently have separate add flows for HDHomeRun and yt-dlp. Users want a single “Add stream” entry point that accepts an IP/host or URL and handles detection automatically. The flow must reject non-live content, provide yt-dlp options when relevant, and persist manual entries across restarts.
## Decision
Introduce a unified add-stream flow with:
- A single URL/host input in the UI.
- A probe step that detects HDHomeRun, HLS, or yt-dlp sources.
- Live-only enforcement for HLS and yt-dlp.
- Optional yt-dlp format selection + live-from-start toggle before starting.
- Unified persistence for all manual sources.
- Stream list tags showing the source kind.
## Details
### Probe + add flow
- New commands:
- `probe_stream` returns detection results and yt-dlp options (if needed).
- `add_stream` executes the resolved ingest path.
- HDHomeRun detection is attempted for local/`.local` hosts or private IPs.
- HLS detection is triggered for `.m3u8` URLs.
- yt-dlp is used for remaining HTTP(S) URLs.
### Live-only enforcement
- HLS playlists with `#EXT-X-ENDLIST` or `#EXT-X-PLAYLIST-TYPE:VOD` are rejected.
- yt-dlp sources require `is_live == true` or `live_status == "is_live"`.
### Persistence
- Replace `manual_hdhomerun.json` with `manual_sources.json`.
- Each entry stores `kind`, `input`, and optional options (e.g. ytdlp format).
- Legacy HDHomeRun hosts are migrated on load.
### UI
- One “Add stream” button + input.
- If yt-dlp is detected, show format choices and “live from start” toggle before proceeding.
- Channel list shows a source badge (e.g. `hdhr`, `ytdlp`, `hls`, `moq`).
## Alternatives considered
- Keep separate add buttons: rejected (clutters flow).
- Allow VOD: rejected (violates live-only requirement).
## Rollout / teardown plan
1. Add unified probe/add commands + detection logic in the backend.
2. Update UI flow + add yt-dlp options panel.
3. Persist manual sources and migrate legacy entries.
4. Add source tags to stream list.
Teardown: keep legacy add commands if needed; disable unified flow in UI.