Janus WebRTC Server
Janus is a lightweight, general-purpose WebRTC server developed by Meetecho. It supports media streaming, recording, and gateway features via plugins, and can be controlled through various APIs.
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Open source general-purpose WebRTC server for real-time audio/video communication.
Core Features
- Audio/video streaming and recording
- Plugin architecture (SIP, Streaming, etc.)
- Multiple control interfaces: HTTP, WebSocket, MQTT, RabbitMQ
- Data Channels support
- Lightweight and embeddable
What It Can't Do
- •Windows is not natively supported; use WSL. Do not trust unofficial .exe builds. libnice must be compiled manually with the latest version. libsrtp version must be >=2.x and compiled with --enable-openssl.
Use Cases
- Video conferencing systems
- Live streaming transcoding
- IoT real-time monitoring
Detailed Introduction
Janus 是一个轻量级、通用的 WebRTC 服务器，由 Meetecho 开发。它提供音视频转发、录制、网关等核心功能，支持通过 HTTP/WebSocket/RabbitMQ 等协议控制。适用于直播、视频会议、IoT 等实时通信场景。
Troubleshooting & FAQ (2)
TroubleshootingWhy does Janus gateway fail to send audio in Chrome after update to version 141?
An SDP inconsistency in Janus offered rtcp-fb transport-cc for the Opus audio track without including the transport-wide cc header extension (extmap). Chrome M141 started enforcing this, causing audio issues. A fix has been merged that ensures the extmap is checked before adding the feedback. Update Janus to the latest version to resolve.
TroubleshootingWhy does compiling with janus fail with 'refcount.h' file not found?
The janus headers are installed in a non-standard location and the project does not yet ship a pkg-config (.pc) file. As a workaround, add the path manually to your compile flags: -I$(PREFIX)/include/janus. For example, if installed to /usr/local, use CFLAGS="-I/usr/local/include/janus" make. This will resolve the missing include. Upstream plans to add a .pc file for automatic discovery; see issue #3523.
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Getting Started
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Install the software
Double-click the downloaded installer and follow the prompts
Download the Janus source code (git clone or archive)
Install all dependencies (see README for list)
Run autogen.sh, configure, then make
- Download the Janus source code (git clone or archive)
- Install all dependencies (see README for list)
- Run autogen.sh, configure, then make
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