dragonflight/services/mam-api/src
ZGaetano a03c85f08a feat: server-side filmstrip worker + fix scheduler crash + fix clip freeze
Root causes found:
1. Scheduler crashing every 15s: assets table has no error_message column.
   Fix: remove error_message from UPDATE in scheduler.js (#66 regression).

2. Clip freezing: client-side filmstrip seek loop runs on main thread,
   seeks same proxy the player is streaming → both stall → freeze.
   Fix: replace browser seek loop entirely with server-side FFmpeg worker.

3. No dedicated filmstrip worker: filmstrip was never pre-built server-side.

Changes:
- services/mam-api/src/db/migrations/018-add-filmstrip-s3-key.sql
  Add filmstrip_s3_key TEXT column to assets table

- services/worker/src/workers/filmstrip.js (new)
  BullMQ worker: downloads proxy, runs FFmpeg fps filter to extract
  28 evenly-spaced JPEG frames, base64-encodes them, uploads JSON
  array to S3 at filmstrips/<assetId>.json, stores key in DB

- services/worker/src/workers/thumbnail.js
  Queue filmstrip job automatically after thumbnail completes

- services/worker/src/index.js
  Register filmstrip worker (concurrency=2), export filmstripQueue
  singleton, close it on SIGTERM

- services/mam-api/src/routes/assets.js
  - filmstripQueue added
  - POST /reprocess?type=filmstrip now supported
  - GET /:id/filmstrip returns signed S3 URL for JSON frames

- services/mam-api/src/routes/jobs.js
  filmstrip queue visible in Jobs UI

- services/web-ui/public/screens-asset.jsx
  Replace browser seek loop with fetch of /assets/:id/filmstrip
  → fetch S3 JSON → render frames. Zero browser-side video seeking.
  Right-click and Files tab re-generate via API endpoint.
2026-05-26 16:39:44 +00:00
..
ampp feat: AMPP folder sync integration — pre-create folder hierarchy on upload, expose lookup endpoint for Script Task: client.js 2026-04-18 13:42:07 -04:00
db feat: server-side filmstrip worker + fix scheduler crash + fix clip freeze 2026-05-26 16:39:44 +00:00
middleware feat(mam-api): add auth middleware with session and Bearer token support 2026-05-18 12:45:15 -04:00
routes feat: server-side filmstrip worker + fix scheduler crash + fix clip freeze 2026-05-26 16:39:44 +00:00
s3 fix: close all 24 open issues (#40–#94) 2026-05-26 14:10:44 +00:00
tasks feat(server): temp segments cleanup task 2026-05-24 12:43:08 -04:00
index.js feat(server): temp segments cleanup task 2026-05-24 12:43:08 -04:00
scheduler.js feat: server-side filmstrip worker + fix scheduler crash + fix clip freeze 2026-05-26 16:39:44 +00:00