pythumbio

Streaming webm transcoder plus previews, metadata, and jpg thumbnails in a convenient micro-service.

Quick Start

Running:

docker run --rm -it -p 8000:8000 ubergarm/pythumbio

Testing:

# apt-get install -y httpie || brew install httpie
http -v http://localhost:8000/meta?url=http://myvideo.com/name.mp4

Development:

docker run --rm -it -v `pwd`:/app --workdir=/app -p 8000:8000 --entrypoint=/bin/sh ubergarm/pythumbio
python3 server.py

Building:

docker build -t ubergarm/pythumbio .

Runtime Configuration

Environment Variable	Description	Default
PYTHUMBIO_PORT	TCP/IP port number on which to listen	8000
PYTHUMBIO_WORKERS	How many sanic worker threads	2
PYTHUMBIO_CONCURRENCY_PER_WORKER	How many concurrent requests handled per sanic worker threads	4
PYTHUMBIO_CHUNKSIZE	Streaming HTTP Chunked Transfer Encoding size in bytes	32 KiB

API

Endpoint: /version

Returns application/json output from ffmpeg -version

Argument	Description	Default
-	n/a	n/a

Endpoint: /thumb

Returns image/jpeg thumbnail from a beginning of video

Argument	Description	Default
url	source video url	n/a

Endpoint: /webm

Returns video/webm stream

Argument	Description	Default
url	source video url	n/a

Endpoint: /preview

Returns video/webm stream animated gif style preview

Argument	Description	Default
url	source video url	n/a

Endpoint: /meta

Returns application/json stream of ffprobe metadata

Argument	Description	Default
url	source video url	n/a

Style Guide

Run

flake8 --max-line-length=120 server.py

TODO

• Proper error handling
• Parameterize endpoints
• Watermark thumbnails
• Proper logger
• Authorization
• DRY Refactor

Bugs

• ffmpeg transcoding can continue despite losing client connection

References

• ffmpeg
• Alpine Linux
• Sanic