MPR - Media Processor

A web-based media transcoding tool with professional architecture.

System Overview

Architecture

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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

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Entities

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

Job Flow

Job Lifecycle

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Job States

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

Media Storage

MPR separates media into input and output paths for flexible storage configuration.

View Media Storage Documentation →

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