MPR - Media Processor

A web-based media transcoding tool with professional architecture.

System Overview

Architecture

Open full size

Components

Reverse Proxy (nginx)
Application Layer (Django, FastAPI, UI)
Worker Layer (Celery, Lambda)
Data Layer (PostgreSQL, Redis, SQS)
Storage (Local FS, S3)

Data Model

Entity Relationships

Open full size

Entities

MediaAsset - Video/audio files with metadata
TranscodePreset - Encoding configurations
TranscodeJob - Processing queue items

Job Flow

Job Lifecycle

Open full size

Job States

PENDING - Waiting in queue
PROCESSING - Worker executing
COMPLETED - Success
FAILED - Error occurred
CANCELLED - User cancelled

Quick Reference

# Generate SVGs from DOT files
dot -Tsvg 01-system-overview.dot -o 01-system-overview.svg
dot -Tsvg 02-data-model.dot -o 02-data-model.svg
dot -Tsvg 03-job-flow.dot -o 03-job-flow.svg

# Or generate all at once
for f in *.dot; do dot -Tsvg "$f" -o "${f%.dot}.svg"; done

Access Points

# Add to /etc/hosts
127.0.0.1 mpr.local.ar

# URLs
http://mpr.local.ar/admin  - Django Admin
http://mpr.local.ar/api    - FastAPI (docs at /api/docs)
http://mpr.local.ar/ui     - Timeline UI