Unda

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Unda Media ServerThe live streaming and broadcast server you run yourself

Take streams in from OBS, vMix, cameras and broadcast encoders, and send them to browsers, apps, players, social platforms and TV equipment. Adaptive bitrate, recording, restreaming, multi-channel transport streams and a dashboard for your team, in one program on one server.

Install
What is Unda?
API reference

Every common way in

RTMP and RTMPS from OBS and vMix, SRT with encryption for contribution over the internet, and MPEG-TS over UDP or RTP, unicast or multicast, from hardware encoders and IPTV headends.

Start streaming

Every common way out

A browser player with a quality menu, HLS for any website or app, MPEG-DASH (experimental), RTMP and SRT for VLC, OBS and vMix, and UDP or RTP for set-top boxes.

Watching and embedding

Adaptive bitrate

One stream in, up to eight qualities out, planned for each source's size, shape and frame rate. Runs on the CPU or a GPU, switched on per stream from the dashboard.

About transcoding

Restream everywhere at once

Push each stream to YouTube, Facebook, Twitch or another server at the same time, over RTMP, RTMPS, SRT or UDP. A failing destination never affects the others, and stream keys are never shown.

Set up restreaming

Broadcast and IPTV outputs

Standard-definition H.264 or MPEG-2 at a constant bitrate with DVB channel names, for multiplexers and modulators. Bundle several streams as the channels of one transport stream; an offline channel shows black or your slate.

Multi-channel (MPTS)

Recording

Record any live stream to files with one click or one API call, split every hour, safe against a crash, with optional automatic clean-up.

Recording

A dashboard for your team

Accounts with roles and two-factor sign-in, channels with secret stream keys, multiview of every live stream, an audit log, and API keys for automation.

Accounts and channels

Health you can see

Live charts, stream health (keyframes, frame rate, audio/video drift), packet loss on UDP inputs, broadcast-style TR 101 290 checks, alerts and an event log, plus Prometheus metrics and webhooks.

Monitoring and alerts

Yours to run

A single program on your own Linux server or in Docker, installed with one command, with automatic HTTPS. Your streams, viewers and data never pass through anyone else.

Install

Who it is for ​

  • Churches, schools and community broadcasters who stream from OBS or vMix and want their own player page, their own viewers and no platform in between.
  • Production teams who send a program to several platforms at once, record it, and give each operator or presenter their own account and stream key.
  • Internet TV channels that need adaptive quality for viewers on slow connections and a dashboard that shows what is wrong before viewers notice.
  • IPTV and broadcast operators who take feeds over SRT, UDP or RTP and hand them to set-top boxes, multiplexers or partners as standard transport streams.

Protocols at a glance ​

InOut
RTMP / RTMPSOBS, vMix, ffmpeg, most encodersPlayers (VLC, OBS, vMix), restreaming to platforms
SRTContribution over the internet, encryptedPlayers that pull over SRT, restreaming
HLSBrowsers, apps, smart TVs; adaptive bitrate
MPEG-DASHDASH players (experimental)
UDP / RTP (MPEG-TS)Hardware encoders, IPTV headends, multicastSet-top boxes, multiplexers, multi-channel bundles

A stream is available on every output as soon as it arrives, however it came in: a stream sent over SRT plays in the browser, in VLC over RTMP and on a set-top box over UDP, with nothing to configure.

Get started ​

  1. Install Unda on a Linux server with a domain name. It gets its own HTTPS certificate.
  2. Open the dashboard, create the owner account and a channel. You get a public name to watch by and a secret key to stream with.
  3. Point OBS or vMix at the server with that key, and share the watch page.

Unda Media Server