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Unreal Media Server


Unreal media server is a Streaming Server for Windows. Both media files: AVI (DivX, XVid), MPEG-1/2, MPA, WMV, WMA, ASF, MP3, QuickTime and Live media sources include: digital cameras, microphones, TV-tuners, analog video sources (analog camera or TV) connected to Video card or to FrameGrabber card that supports DirectShow interface.

File size:5MB
Old versions available
Version history available

3 votes

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  Latest version

12 (September 16, 2016)

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Download Unreal Media Server 12 (direct link)

Download Unreal Media Server 12 64-bit (direct link)

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Download Unreal Media Server old versions

Supported operating systems


Unreal Media Server screenshot
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Version history / Release notes / Changelog

Unreal Media Server v12.0 Release Notes.

Unreal Media Server:
Streaming via Websockets (plain and secure) to HTML5 <video> element that supports Media Source Extensions.
UMS-HTTPS is supported directly by Unreal Media Server; the UHTTPProxy IIS extension is not used any more.
Restful Web API for Session-based authentication.

Streaming Media Player v7.1, ActiveX control v7.1 and cross-browser plugin v7.1:
UMS-HTTPS is supported directly by Unreal Media Server; the UHTTPProxy IIS extension is not used any more.
View full changelog

All features / Full description

Unreal Media Server is a software streaming server for Windows operating systems, offering rich choice of live and on demand streaming functionality.

The server supports live media sources and recorded media files.

File formats include all the types supported by Microsoft DirectX, namely:
AVI, MPEG-1 (VCD), MPEG-2 (SVCD, DVD), MPEG-4, MPA, WMV, WMA, ASF, MP3, QuickTime (version 2 and lower). Other file formats and compression types are supported with additional installation of corresponding codecs, such as DivX, XVid, VP6, MP4, AC3, H.264.

Unreal Media Server does not transcode or decode files when streaming; the files are streamed "as is"; the player is able to playback these files if appropriate codecs are installed on player's computer.

Playlist functionality allows automatically playing all the files of server's virtual folder in a loop mode. Files can be unicasted in "on-demand" mode or multicasted in "live" mode.

Supported live media sources include: USB/Firewire digital cameras, IP network cameras, microphones, TV-tuner cards, analog video sources (analog camera or TV) connected to Graphics card, Video Capture card or hardware encoder appliance that supports DirectShow interface. There can be multiple live sources on a single computer. Hardware-encoded content can be streamed "as is" without software transcoding.

Codecs used for live video compression: VC1 (WMV9), H.264 and Microsoft MPEG-4 V2. Codecs used for live audio compression: Fraunhofer MPEG Layer-3 (MP3), GSM 6.10 and WMA.

Two streaming delivery modes are supported: Near-Real-Time and Buffered. Conferencing applications requiring low latency can take advantage of 0.2 - 2 seconds latency provided by Near-Real-Time mode, where buffer sizes are minimal and aggressive leaking-flushing bucket algorithms are enforced. When low latency is not required, Buffered mode can be used, allowing servers to buffer media in order to compensate on network jitter and congestions.

Live content can be recorded based on scheduler or motion detection, independently of streaming.

Unreal Media Server supports variety of streaming protocols allowing playing with Flash player, Silverlight, Windows Media Player and Unreal Streaming Media Player on Windows, MAC, Linux and Mobile devices.

RTMP protocol can be used for streaming to Flash player; MMS-H protocol serves for streaming to Silverlight, Windows Media Player and other MMS-capable players. Our own proprietary, codec-independent streaming protocol is used for streaming to Unreal Streaming Media Player. Our protocol can be realized via TCP-unicast streams, RTP Multicast streams and HTTP(S) unicast streams via IIS web server.

Unreal Streaming Media Player run on Windows PCs and on Handheld Devices running Windows Mobile 5 or higher operating system. Player can be embedded into web page as an ActiveX control for IE browser or as a plugin for Firefox, Netscape, Mozilla, Safari, Opera and Chrome.

Incoming content is not stored on client computer's hard disk and user is not allowed to save media locally, thus author's rights are fully protected.
User authentication and access restrictions enable trusted access to media resources. User logging provides means to track user activity.

SDK allows automation and customization of Server behavior.

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Acronyms / Also Known As

Unreal Live Server

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3 comments, Showing 1 to 3 comments

It would be nice, to avoiding a big waste of time spent to learn how to make this thing work, if somewhere will appear a small string like this: "max resolution = 320x240" (the same max resolution of the oldest webcam of the 90's).

Thank you.

Posted May 10, 2008 by garbage2. Tool version 5.5 using OS WinXP
Ease of use 3 of 10 Functionality 1 of 10 Value for money 1 of 10 Overall score 4 of 10

Editors of have done independent review of Unreal Media Server: ... read.shtml

We recommend this tool for audio/video streaming over IP networks.

3d2f Team.

Posted July 12, 2007 by DVBoghen. Tool version 5.0 using OS WinXP
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10

This is an awesome and powerful video streaming tool.

You can stream almost any video format without having to re-encode.

You can also stream live broadcast off your tv tuner without consuming an absurd amount of resources - hence Video Lan.

Also non like Video lan you are granted an easy ability to change live broadcast channels over a LAN or WAN without any difficulty.

There are a few drawbacks:

1)The media server only re-encodes to a certain resolution.
2)At times the sound encoding is blotchy.
3)The installation is not as easy as it could be. Thus do not expect to be able to install or understand all the features of this software server if you are not pc literate or if you are new to media encoding or streaming.

The best installation results will occur when you setup the Unreal Media Streaming Server on Windows 2003; and install the Unreal Live Server on a seperate non NT native Windows OS to host your tv tuner.

Posted June 05, 2006 by better_tomorrow. Tool version 4.0 using OS WinXP
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10

3 comments, Showing 1 to 3 comments

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