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StreamIt Worker

worker

Background worker service responsible for processing uploaded videos.
Consumes jobs from the queue, transcodes videos using FFmpeg, and generates HLS streams.

Tech Stack

  • Node.js
  • FFmpeg
  • BullMQ
  • Redis
  • AWS S3

Features

  • Consumes video processing jobs from queue
  • Handles CPU-intensive video processing outside the main API
  • Transcodes videos into HLS format (m3u8 + segments)
  • Generates thumbnails
  • Uploads processed assets to S3
  • Updates video status (PROCESSING → COMPLETED → FAILED)
  • Retry mechanism for failed jobs

Architecture Highlights

  • Event-driven processing using Redis + BullMQ
  • Decoupled from API (independent worker service)
  • Scalable worker instances for parallel processing
  • Fault-tolerant job handling