smolrtsp

OpenIPCMIT活跃维护

面向 IP 摄像头的轻量级实时流媒体 C 库，实现 RTSP/RTP 协议，可在嵌入式设备上做低开销的音视频推拉流。

A lightweight real-time streaming library for IP cameras

v0.2.0发布于 2026-05-24 19:05 UTC512star119fork同步于 2026-11-07 07:34 UTC

RTSP 流媒体 IP摄像头嵌入式 C库

对比 GitHub 官网 audio c c-library embedded h264

怎么上手

由 README 提炼，执行前请确认

原文

include(FetchContent)
FetchContent_Declare(
    smolrtsp
    URL https://github.com/OpenIPC/smolrtsp/archive/refs/tags/v1.2.3.tar.gz # v1.2.3
)
FetchContent_MakeAvailable(smolrtsp)
target_link_libraries(MyProject smolrtsp)

硬件要求按 README 说明

README 未说明具体硬件要求，仅说明面向 IP 摄像头等嵌入式设备设计。

下载：源码 zip·GitHub Releases（安装包）本站不镜像安装包

项目说明

由 README 自动翻译提炼

没人工点评？写下你的经验

面向 IP 摄像头等嵌入式设备的轻量 RTSP 1.0 服务端库，帮你快速搭起视频流服务

面向 IP 摄像头的轻量级实时流媒体 C 库，实现 RTSP/RTP 协议，可在嵌入式设备上做低开销的音视频推拉流。

核心能力

实现 RTSP 1.0 与 RTP/RTCP 协议栈
支持 RTP over TCP 交织与 RTP over UDP 两种传输
解析过程零拷贝，不额外分配或复制数据
支持 H.264/H.265/H.266/JPEG XS/AV1 载荷格式
不绑定网络框架，可搭配裸 POSIX socket 或 libevent

容易踩的坑

默认构建静态库，需要动态库要显式打开 SMOLRTSP_SHARED；示例服务器默认只推 H.264 与 G.711，JPEG XS/AV1/VVC 需分别加 -DENABLE_JPEGXS=ON 等编译开关；库本身不含网络后端，需自行接入 POSIX socket 或额外引入 smolrtsp-libevent 等集成。

内容由模型根据 README 生成，可能不完整或不准确，以官方文档为准。看原文 README

用户点评

登录用户的真实使用记录，可按版本和硬件筛选

共 0 条

还没有人点评。第一个说出真实体验的人最有价值。

README 原文

未翻译

在 GitHub 打开

OpenIPC Logo

SmolRTSP

SmolRTSP is a simple RTSP 1.0 server library tailored for embedded devices, such as IP cameras. It supports both TCP and UDP, allows any payload format, and provides a convenient and flexible API.

Highlights

Small. SmolRTSP is designed for use in embedded systems (e.g., IP cameras).
Unopinionated. You can use SmolRTSP with bare POSIX sockets, libevent, or any other network framework.
Zero-copy. SmolRTSP does not allocate or copy data while parsing.
Battle-tested. SmolRTSP is used by Majestic, an IP camera streamer developed by OpenIPC.

Features

Supported protocols:
- RTSP 1.0 (RFC 2326)
- RTP (RFC 3550)
- RTP over TCP (interleaved binary data)
- RTP over UDP
- SDP (RFC 4566)
- RTCP (RFC 3550):
  - Sender Report (SR), Receiver Report (RR), SDES (single CNAME), and BYE serialization
Supported RTP payload formats:
- H.264 (RFC 6184)
- H.265 (RFC 7798)
- H.266 / VVC (RFC 9328)
- JPEG XS (RFC 9134) -- codestream and slice packetization modes
- AV1 (AOMedia AV1 RTP) -- one OBU per packet with Z/Y fragmentation

Installation

If you use CMake, the recommended way is FetchContent:

include(FetchContent)

FetchContent_Declare(
    smolrtsp
    URL https://github.com/OpenIPC/smolrtsp/archive/refs/tags/v1.2.3.tar.gz # v1.2.3
)

FetchContent_MakeAvailable(smolrtsp)

target_link_libraries(MyProject smolrtsp)

Options

Option	Description	Default
`SMOLRTSP_SHARED`	Build a shared library instead of static.	`OFF`
`SMOLRTSP_FULL_MACRO_EXPANSION`	Show full macro expansion backtraces (DANGEROUS: may impair diagnostics and slow down compilation).	`OFF`

Usage

A simple example server that streams H.264 video and G.711 Mu-Law audio can be found at examples/server.c. The same server can also advertise additional streams: pass -DENABLE_JPEGXS=ON for JPEG XS on the /jpegxs path, -DENABLE_AV1=ON for AV1 on the /av1 path, or -DENABLE_VVC=ON for H.266 / VVC on the /vvc path.

server demo

Run it as follows:

$ mkdir examples/build
$ cd examples/build
$ cmake .. && cmake --build .
$ sudo ./server

Then open a new terminal window to start playing:

$ ffplay rtsp://localhost

Integration

SmolRTSP is agnostic to a network backend: you can run it atop of any network/event loop framework. Currently, we support the following integrations:

OpenIPC/smolrtsp-libevent (libevent)

Feel free to extend this list with your own integration code.

Release procedure

Update the PROJECT_NUMBER field in Doxyfile.
Update CHANGELOG.md.
Release the project in GitHub Releases.