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Eyevinn Channel Engine

Open Source FAST Channel Engine library based on VOD2Live technology

📖 Read the documentation 👀

npm github release license PRs welcome made with hearth by Eyevinn Slack

Eyevinn Channel Engine is a core component library for creating FAST channels based on VOD2Live technology. Combine this vod2live technology component with your business and scheduling logic to build your very own and unique FAST channel engine.

Please see the Documentation for introductory tutorials and how to get started building your own FAST channel engine.

Screenshot of demo site

A live demo and example is available here: https://vod2live.eyevinn.technology

Features

  • Produce 24/7 HLS live channels based on already transcoded HLS VODs
  • Produce a personalized 24/7 HLS live channel unique for each viewer
  • Mix VOD2Live channel with a "real" live HLS stream
  • Develop adapters to plugin with custom scheduling endpoints
  • High Availability with Redis Cache as shared state store
  • And much more!

System Requirements

Supported Node.js Versions

Version Supported
14.x Yes
16.x Yes
18.x No

Supported Source Formats

HLS Format Muxed Demuxed Mix w. Live Subtitles DRM
HLS + TS Yes Yes Yes* TBD No
HLS + CMAF No Yes TBD TBD TBD

* not supported with demuxed sources

High Availability Support

High availability support is from v3 general available in the Channel Engine and it uses Redis as the shared storage. This allows you to run a replicaset behind a round-robin load balancer. Supported Redis Engine versions:

Version Supported
5.x Yes
6.x Yes
7.x No

Usage

Follow this tutorial to get started building your own FAST channel engine.

You can also use prebuilt Eyevinn FAST Engine Docker Container based on this library. To try it out you can start an instance with 50 demo channels by running this command:

docker run -d -p 8000:8000 -p 8001:8001 \
  -e DEMO_NUM_CHANNELS=50 \
  eyevinntechnology/fast-engine

Open the URL http://localhost:8001/ in your browser for a multiview of all 50 channels, and to playback one of the 50 channels point your HLS video player to the URL: http://localhost:8000/channels//master.m3u8 where is a number between 1 and 50.

Migration

Upgrading from 3.4.x to >= 4.0.0

Support for HLS-CMAF and handling audio and video segments of different durations was added to v4 and this means that it is not possible to mix muxed TS with demuxed CMAF.

Upgrading from 3.3.x to >= 3.4.x

A breaking change was introduced in v3.4.0 when Typescript types were introduced. The library no longer exports a default. This means that you need to change const ChannelEngine = require('eyevinn-channel-engine') to const { ChannelEngine } = require('eyevinn-channel-engine');

Support

Join our community on Slack where you can post any questions regarding any of our open source projects. Eyevinn's consulting business can also offer you:

  • Further development of this component
  • Customization and integration of this component into your platform
  • Support and maintenance agreement

About Eyevinn Technology

Eyevinn Technology is an independent consultant firm specialized in video and streaming. Independent in a way that we are not commercially tied to any platform or technology vendor. As our way to innovate and push the industry forward we develop proof-of-concepts and tools. The things we learn and the code we write we share with the industry in blogs and by open sourcing the code we have written.

Want to know more about Eyevinn and how it is to work here. Contact us at work@eyevinn.se!

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Open Source FAST Channel Engine library based on VOD2Live technology

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