OpenAI DeepResearch: Overview of the SRS Media Server Community Timeline and Feature Development from 2019 to 2024.

[winlinvip]

2019 – Establishing the Foundation (Development of Software Requirements Specification 3.0)

New Features

Throughout 2019, the SRS project focused on developing version 3.0 (codename OuXuli). Key planned features included:

• Compatibility with the EXEC modules of NGINX-RTMP
• DVR control system
• Overhauled HTTP API with read-write security
• DVR recording to MP4
• On-demand screenshots
• Improved transcoding and callback functionality
• Rewritten error handling and logging system
• Groundwork for clustering (source station load-balancing and hot backup)
• Experimental MPEG-DASH support
• Docker support for easier deployment

By December 2019, SRS 3.0 had entered an Alpha stage with about 95% code coverage for core HTTP/RTMP features.

Important Events

• No stable release occurred in 2019, but significant progress was made.
• SRS 3.0 was scheduled for release by the end of the year, with enhancements in stability and functionality.
• The official documentation and wiki were being updated in English to expand accessibility.

Development Plans

• Complete SRS 3.0 and expand community reach.
• The project leader, Winlin Yang (杨成立), mentioned intentions to enhance the English documentation.

Security

• No major security incidents were reported.

Notable Resources

• SRS 3.0 Development Roadmap

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• In 2020, the SRS 3.0 version was released, accompanied by a swift expansion of features.

New Features

2020 saw major updates, including:

• January: Added SRT protocol support for low-latency video.
• February: Integration with Kubernetes (K8s) for cloud deployments.
• March: WebRTC support added, enabling real-time browser-based streaming.
• June: Official release of SRS 3.0 after two years of development.
• October: Official SRS mobile app (built with Flutter) released.
• November: HTTPS/SSL support added for secure web streaming.

Important Events

• The release of SRS 3.0 (r0) in mid-2020 marked a milestone.
• Work on SRS 4.0, also known as "Leo," started.
• By the end of 2020, SRS declared itself as the leading open-source video server globally.

Development Plans

• Focus on SRS 4.0: real-time streaming, WebRTC integration, and cloud-native enhancements.

Security

• No known vulnerabilities were reported.

Articles & Resources

• SRS 3.0 Release Notes

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In 2021, there was a focus on strengthening the project, developing version 4.0, and organizing the community.

New Features

• April: AV1 codec support added.
• May: Major improvements in RTC and multi-party conferencing features.
• Late 2021:
  • Full WebRTC publishing/playing support.
  • RTMP<->RTC bridging enabled.
  • GB28181 support for IP cameras.

Important Events

• January: Open Source Technology Committee established.
• June: SRS entered incubation under the Mulan Open Source Community.

Development Plans

• Complete the Software Requirements Specification (SRS) for version 4.0 and begin development on SRS 5.0, which has the codename "Bee".

Security

• No public security disclosures.

Articles & Resources

• SRS 4.0 Development Progress

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In 2022, Software Requirements Specification (SRS) 4.0 was released, the company expanded globally, and development of SRS 5.0 commenced.

New Features

• June: SRS 4.0 released with:
  • Full WebRTC streaming
  • RTMP-to-RTC bridging
  • Single-port mode for WebRTC
  • Expanded HTTPS support
  • Docker/K8s integration
• November: SRS 5.0 development completed with:
  • GB28181-2016 standard support
  • Windows support
  • Multi-architecture CPU support (ARM, MIPS, RISC-V, etc.)
  • Prometheus exporter for monitoring

Important Events

• November: Technical Oversight Committee (TOC) established.
• December: The number of stars on SRS's GitHub repository neared 20,000.

Development Plans

• Final testing and stabilization of SRS 5.0 before public release.

Security

• No known vulnerabilities reported.

Articles & Resources

• SRS 4.0 Release Notes

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2023 – Launch of SRS 5.0, Celebration of the 10th Anniversary, and Introduction of Next-Generation Projects

New Features

• December: SRS 5.0 released with:

  • Full cross-platform support
  • WebRTC WHIP/WHEP protocol support
  • Enhanced HLS/DASH reliability
  • Improved SRT performance
  • Integrated monitoring tools

• January: SRS 6.0 (codename "Hang") development started with:

  • Multi-threading architecture
  • RTC cascading
  • IETF QUIC support
  • JavaScript extension API

Important Events

• 10th Anniversary of SRS celebrated.
• January: SRS reached 20,000 GitHub stars.
• Financial contributions to SRS through OpenCollective have grown.

Development Plans

• Finalize SRS 6.0 for release in late 2024.

Security

• July: CVE-2023-34105 (command injection vulnerability) patched.

Articles & Resources

• SRS 10th Anniversary Review

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Heading into 2024: Advancing to Version 6.0 and Undergoing a Change in Leadership

New Features

• July & September: SRS 6.0 Alpha releases introduced:
  • Multi-threaded architecture
  • RTC cascading
  • QUIC transport support
  • RTMPS (RTMP over TLS)
  • Improved H.265 and AV1 support

Important Events

• December: Winlin Yang announced he would step back from SRS development.
• SRS reached 25,000 GitHub stars.
• Community governance transitioned to TOC and maintainers.

Development Plans

• Finalize SRS 6.0 in 2025.
• Expand global outreach and community contributions.

Security

• March: CVE-2024-29882 (XSS vulnerability) fixed.
• May: CVE-2024-33250 (SSRF vulnerability) in 4.x versions disclosed.

Articles & Resources

• The Founder Steps Down: The Future of SRS

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