MetaMesh Plugin: Language

A MetaMesh plugin that aggregates languages from all streams and determines the primary language.

Description

This plugin collects language information from video, audio, and subtitle streams extracted by the FFmpeg plugin. It:

• Converts language codes to ISO 639-3 format
• Aggregates all detected languages into a set
• Determines the primary language (first audio stream)
• Maps titles to their detected language

Metadata Fields

Field	Description
languages	Set of all detected languages (ISO 639-3)
primaryLanguage	Primary language code
titles/{lang}	Title mapped to language

Dependencies

• Requires ffmpeg plugin to run first

Configuration

No configuration required.

API Endpoints

Endpoint	Method	Description
/health	GET	Health check
/manifest	GET	Plugin manifest
/configure	POST	Update configuration
/process	POST	Process a file

Running Locally

npm install
npm run build
npm start

Docker

docker build -t metamesh-plugin-language .
docker run -p 8080:8080 metamesh-plugin-language

Environment Variables

Variable	Default	Description
PORT	8080	HTTP server port
HOST	0.0.0.0	HTTP server host

License

MIT