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Draft:Simple Realtime Server

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Original author(s)William Yang
Developer(s)SRS team
Initial releaseSeptember 8, 2016; 8 years ago (2016-09-08)[1]
Stable release
5.0[2] / June 15, 2024; 6 months ago (2024-06-15)
Repositorygithub.com/ossrs/srs.git
Written inC++
Operating systemCross-platform
TypeMedia server
LicenseMIT[3]
Websiteossrs.io

Simple Realtime Server (SRS) is a free software[3] implemented in C++, a simple, high-efficiency, real-time media server supporting RTMP, WebRTC, HLS, HTTP-FLV, HTTP-TS, SRT, MPEG-DASH, and GB28181.

SRS supports streaming services effectively, using RTMP and SRT as core protocols, and is compatible with various systems like Tencent Cloud MPS[4], and DigitalOcean market[5]

SRS also supports WHIP and WHEP as a WebRTC SFU server, is compatible with OBS Studio WHIP[6], and was one of the first to support WHIP as a media stream server.

History

[edit]

On October 2013, SRS project started.

On 8 September 2016, SRS version 1.0-r0 was released[1]. A versatile streaming solution supports RTMP/HLS, clustering, and advanced features like transcoding and DVR. It offers a user-friendly interface, robust monitoring, and performance tools. Compatible with ARM/MIPS, it efficiently handles 2.7k concurrent connections on devices like Raspberry Pi.

On 27 June 2017, SRS version 2.0 was released. Enhance performance to support 10k+ playback and 4.5k+ streaming. Add features like real-time mode, Windows support, simplified handshake, custom DVR paths, HTTP server, and experimental HDS/RTSP support. Improve HTTP API and support HSTRS and remote console.

26 June 2020, SRS version 3.0 was released. Support NGINX-RTMP's EXEC and DVR features, secure HTTP API, DVR as MP4, screenshots, and transcoding. Improve error handling, add load balancing, and UTest. Explore MPEG-DASH support. Rewrite English documentation.

On 16 June 2022, SRS version 4.0 was released. Support WebRTC push/playback, RTMP to RTC, and RTC to RTMP. Enhance HTTP-API, HTTPS, Docker/K8S integration, and RTC network switching. Add regression testing and experimental SRT/GB28181 support.

On 21 June 2023, The SRS was shared in CommCon, London. This was the first time it was shared outside of China. WebRTC offers low latency for browsers, while SRT suits broadcasting. Combining them or using RTMP with WebRTC can achieve sub-second latency. SRS, with 20,000+ GitHub stars, is a key resource for developers.[7]

On 29 December 2023, SRS version 5.0 was released. Support multi-CPU Docker images, enhance forwarding, and GB28181. Add Windows, Apple M1, RISCV, MIPS, and Loongarch support. Improve DASH, SRT, and WebRTC. Integrate Prometheus and WHIP protocol.

On 6 June 2024, The SRS was shared in CommCon, London. Oryx (SRS Stack) is a powerful open-source media service with AI capabilities, supporting live rooms, restreaming, recording, and AI features like transcriptions and multilingual dubbing.[8]

References

[edit]
  1. ^ a b "Initial revision - github.com/ossrs/srs". ossrs. 2016-09-08.
  2. ^ "SRS 5.0 r3 - Latest Stable Version". ossrs/srs. 15 June 2024.
  3. ^ a b "COPYING". ossrs/srs. Retrieved 2023-12-31 – via GitHub.
  4. ^ "Tencent MPS: SRS - The Simple Real-Time Video Server". 2 July 2024.
  5. ^ "DigitalOcean Marketplace: SRS media solution". 25 October 2024.
  6. ^ Hart, Chad (22 August 2023). "WebRTC cracks the WHIP on OBS". webrtcHacks.
  7. ^ Winlin, Yang (21 June 2023). "Sub-Second Latency Streaming Technologies and Applications". YouTube.
  8. ^ Winlin, Yang (6 June 2024). "Oryx: AI-Powered Media Kit for Everyone". YouTube.