GitHub - netyuchangfa/rtsp-simple-server: ready-to-use RTSP / RTMP / HLS server and proxy that allows to read, publish and proxy video and audio streams

rtsp-simple-server is a ready-to-use and zero-dependency server and proxy that allows users to publish, read and proxy live video and audio streams through various protocols:

protocol	description	publish	read	proxy
RTSP	fastest way to publish and read streams	✔️	✔️	✔️
RTMP	allows to interact with legacy software	✔️	✔️	✔️
HLS	allows to embed streams into a web page	❌	✔️	✔️

Features:

Publish live streams to the server
Read live streams from the server
Act as a proxy and serve streams from other servers or cameras, always or on-demand
Each stream can have multiple video and audio tracks, encoded with any codec, including H264, H265, VP8, VP9, MPEG2, MP3, AAC, Opus, PCM, JPEG
Streams are automatically converted from a protocol to another. For instance, it's possible to publish a stream with RTSP and read it with HLS
Serve multiple streams at once in separate paths
Authenticate users; use internal or external authentication
Query and control the server through an HTTP API
Read Prometheus-compatible metrics
Redirect readers to other RTSP servers (load balancing)
Run external commands when clients connect, disconnect, read or publish streams
Reload the configuration without disconnecting existing clients (hot reloading)
Compatible with Linux, Windows and macOS, does not require any dependency or interpreter, it's a single executable

Installation

Standard

Download and extract a precompiled binary from the release page.
Start the server:
```
./rtsp-simple-server
```

Docker

Download and launch the image:

docker run --rm -it --network=host aler9/rtsp-simple-server

The --network=host flag is mandatory since Docker can change the source port of UDP packets for routing reasons, and this doesn't allow the server to find out the author of the packets. This issue can be avoided by disabling the UDP transport protocol:

docker run --rm -it -e RTSP_PROTOCOLS=tcp -p 8554:8554 -p 1935:1935 -p 8888:8888 aler9/rtsp-simple-server

Please keep in mind that the Docker image doesn't include FFmpeg. if you need to use FFmpeg for an external command or anything else, you need to build a Docker image that contains both rtsp-simple-server and FFmpeg, by following instructions here.

Basic usage

Publish a stream. For instance, you can publish a video/audio file with FFmpeg:

ffmpeg -re -stream_loop -1 -i file.ts -c copy -f rtsp rtsp://localhost:8554/mystream

or GStreamer:

gst-launch-1.0 rtspclientsink name=s location=rtsp://localhost:8554/mystream filesrc location=file.mp4 ! qtdemux name=d d.video_0 ! queue ! s.sink_0 d.audio_0 ! queue ! s.sink_1

To publish from other hardware / software, take a look at the Publish to the server section.

Open the stream. For instance, you can open the stream with VLC:

vlc rtsp://localhost:8554/mystream

or GStreamer:

gst-play-1.0 rtsp://localhost:8554/mystream

or FFmpeg:

ffmpeg -i rtsp://localhost:8554/mystream -c copy output.mp4

General

Configuration

All the configuration parameters are listed and commented in the configuration file.

There are 3 ways to change the configuration:

By editing the rtsp-simple-server.yml file, that is
- included into the release bundle
- available in the root folder of the Docker image (/rtsp-simple-server.yml); it can be overridden in this way:
```
docker run --rm -it --network=host -v $PWD/rtsp-simple-server.yml:/rtsp-simple-server.yml aler9/rtsp-simple-server
```
The configuration can be changed dinamically when the server is running (hot reloading) by writing to the configuration file. Changes are detected and applied without disconnecting existing clients, whenever it's possible.
By overriding configuration parameters with environment variables, in the format RTSP_PARAMNAME, where PARAMNAME is the uppercase name of a parameter. For instance, the rtspAddress parameter can be overridden in the following way:
```
RTSP_RTSPADDRESS="127.0.0.1:8554" ./rtsp-simple-server
```
Parameters in maps can be overridden by using underscores, in the following way:
```
RTSP_PATHS_TEST_SOURCE=rtsp://myurl ./rtsp-simple-server
```
This method is particularly useful when using Docker; any configuration parameter can be changed by passing environment variables with the -e flag:
```
docker run --rm -it --network=host -e RTSP_PATHS_TEST_SOURCE=rtsp://myurl aler9/rtsp-simple-server
```
By using the HTTP API.

Authentication

Edit rtsp-simple-server.yml and replace everything inside section paths with the following content:

paths:
  all:
    publishUser: myuser
    publishPass: mypass

Only publishers that provide both username and password will be able to proceed:

ffmpeg -re -stream_loop -1 -i file.ts -c copy -f rtsp rtsp://myuser:mypass@localhost:8554/mystream

It's possible to setup authentication for readers too:

paths:
  all:
    publishUser: myuser
    publishPass: mypass

    readUser: user
    readPass: userpass

If storing plain credentials in the configuration file is a security problem, username and passwords can be stored as sha256-hashed strings; a string must be hashed with sha256 and encoded with base64:

echo -n "userpass" | openssl dgst -binary -sha256 | openssl base64

Then stored with the sha256: prefix:

paths:
  all:
    readUser: sha256:j1tsRqDEw9xvq/D7/9tMx6Jh/jMhk3UfjwIB2f1zgMo=
    readPass: sha256:BdSWkrdV+ZxFBLUQQY7+7uv9RmiSVA8nrPmjGjJtZQQ=

WARNING: enable encryption or use a VPN to ensure that no one is intercepting the credentials.

Authentication can be delegated to an external HTTP server:

externalAuthenticationURL: http://myauthserver/auth

Each time a user needs to be authenticated, the specified URL will be requested with the POST method and this payload:

{
  "ip": "ip",
  "user": "user",
  "password": "password",
  "path": "path",
  "action": "read|publish"
}

If the URL returns a status code that begins with 20 (i.e. 200), authentication is successful, otherwise it fails.

Encrypt the configuration

The configuration file can be entirely encrypted for security purposes.

An online encryption tool is available here.

The encryption procedure is the following:

NaCL's crypto_secretbox function is applied to the content of the configuration. NaCL is a cryptographic library available for C/C++, Go, C# and many other languages;
The string is prefixed with the nonce;
The string is encoded with base64.

After performing the encryption, put the base64-encoded result into the configuration file, and launch the server with the RTSP_CONFKEY variable:

RTSP_CONFKEY=mykey ./rtsp-simple-server

Proxy mode

rtsp-simple-server is also a proxy, that is usually deployed in one of these scenarios:

when there are multiple users that are reading a stream and the bandwidth is limited; the proxy is used to receive the stream once. Users can then connect to the proxy instead of the original source.
when there's a NAT / firewall between a stream and the users; the proxy is installed on the NAT and makes the stream available to the outside world.

Edit rtsp-simple-server.yml and replace everything inside section paths with the following content:

paths:
  proxied:
    # url of the source stream, in the format rtsp://user:pass@host:port/path
    source: rtsp://original-url

After starting the server, users can connect to rtsp://localhost:8554/proxied, instead of connecting to the original url. The server supports any number of source streams, it's enough to add additional entries to the paths section:

paths:
  proxied1:
    source: rtsp://url1

  proxied2:
    source: rtsp://url1

It's possible to save bandwidth by enabling the on-demand mode: the stream will be pulled only when at least a client is connected:

paths:
  proxied:
    source: rtsp://original-url
    sourceOnDemand: yes

Remuxing, re-encoding, compression

To change the format, codec or compression of a stream, use FFmpeg or GStreamer together with rtsp-simple-server. For instance, to re-encode an existing stream, that is available in the /original path, and publish the resulting stream in the /compressed path, edit rtsp-simple-server.yml and replace everything inside section paths with the following content:

paths:
  all:
  original:
    runOnReady: ffmpeg -i rtsp://localhost:$RTSP_PORT/$RTSP_PATH -pix_fmt yuv420p -c:v libx264 -preset ultrafast -b:v 600k -max_muxing_queue_size 1024 -f rtsp rtsp://localhost:$RTSP_PORT/compressed
    runOnReadyRestart: yes

Save streams to disk

To save available streams to disk, you can use the runOnReady parameter and FFmpeg:

paths:
  all:
  original:
    runOnReady: ffmpeg -i rtsp://localhost:$RTSP_PORT/$RTSP_PATH -c copy -f segment -strftime 1 -segment_time 60 -segment_format mp4 saved_%Y-%m-%d_%H-%M-%S.mp4
    runOnReadyRestart: yes

On-demand publishing

Edit rtsp-simple-server.yml and replace everything inside section paths with the following content:

paths:
  ondemand:
    runOnDemand: ffmpeg -re -stream_loop -1 -i file.ts -c copy -f rtsp rtsp://localhost:$RTSP_PORT/$RTSP_PATH
    runOnDemandRestart: yes

The command inserted into runOnDemand will start only when a client requests the path ondemand, therefore the file will start streaming only when requested.

Start on boot

Linux

Systemd is the service manager used by Ubuntu, Debian and many other Linux distributions, and allows to launch rtsp-simple-server on boot.

Download a release bundle from the release page, unzip it, and move the executable and configuration in the system:

sudo mv rtsp-simple-server /usr/local/bin/
sudo mv rtsp-simple-server.yml /usr/local/etc/

Create the service:

sudo tee /etc/systemd/system/rtsp-simple-server.service >/dev/null << EOF
[Unit]
Wants=network.target
[Service]
ExecStart=/usr/local/bin/rtsp-simple-server /usr/local/etc/rtsp-simple-server.yml
[Install]
WantedBy=multi-user.target
EOF

Enable and start the service:

sudo systemctl enable rtsp-simple-server
sudo systemctl start rtsp-simple-server

Windows

Download the WinSW v2 executable and place it into the same folder of rtsp-simple-server.exe.

In the same folder, create a file named WinSW-x64.xml with this content:

<service>
  <id>rtsp-simple-server</id>
  <name>rtsp-simple-server</name>
  <description></description>
  <executable>%BASE%/rtsp-simple-server.exe</executable>
</service>

Open a terminal, navigate to the folder and run:

WinSW-x64 install

The server is now installed as a system service and will start at boot time.

HTTP API

The server can be queried and controlled with an HTTP API, that must be enabled by setting the api parameter in the configuration:

api: yes

The API listens on apiAddress, that by default is 127.0.0.1:9997; for instance, to obtain a list of active paths, run:

curl http://127.0.0.1:9997/v1/paths/list

Full documentation of the API is available on the dedicated site.

Metrics

A metrics exporter, compatible with Prometheus, can be enabled with the parameter metrics: yes; then the server can be queried for metrics with Prometheus or with a simple HTTP request:

wget -qO- localhost:9998/metrics

Obtaining:

paths{name="<path_name>",state="ready"} 1
rtsp_sessions{state="idle"} 0
rtsp_sessions{state="read"} 0
rtsp_sessions{state="publish"} 1
rtsps_sessions{state="idle"} 0
rtsps_sessions{state="read"} 0
rtsps_sessions{state="publish"} 0
rtmp_conns{state="idle"} 0
rtmp_conns{state="read"} 0
rtmp_conns{state="publish"} 1
hls_muxers{name="<name>"} 1

where:

paths{name="<path_name>",state="ready"} 1 is replicated for every path and shows the name and state of every path
rtsp_sessions{state="idle"} is the count of RTSP sessions that are idle
rtsp_sessions{state="read"} is the count of RTSP sessions that are reading
rtsp_sessions{state="publish"} is the counf ot RTSP sessions that are publishing
rtsps_sessions{state="idle"} is the count of RTSPS sessions that are idle
rtsps_sessions{state="read"} is the count of RTSPS sessions that are reading
rtsps_sessions{state="publish"} is the counf ot RTSPS sessions that are publishing
rtmp_conns{state="idle"} is the count of RTMP connections that are idle
rtmp_conns{state="read"} is the count of RTMP connections that are reading
rtmp_conns{state="publish"} is the count of RTMP connections that are publishing
hls_muxers{name="<name>"} is replicated for every HLS muxer and shows the name and state of every HLS muxer

pprof

A performance monitor, compatible with pprof, can be enabled with the parameter pprof: yes; then the server can be queried for metrics with pprof-compatible tools, like:

go tool pprof -text http://localhost:9999/debug/pprof/goroutine
go tool pprof -text http://localhost:9999/debug/pprof/heap
go tool pprof -text http://localhost:9999/debug/pprof/profile?seconds=30

Compile and run from source

Install Go 1.17, download the repository, open a terminal in it and run:

go run .

You can perform the entire operation inside Docker:

make run

Publish to the server

From a webcam

To publish the video stream of a generic webcam to the server, edit rtsp-simple-server.yml and replace everything inside section paths with the following content:

paths:
  cam:
    runOnInit: ffmpeg -f v4l2 -i /dev/video0 -pix_fmt yuv420p -preset ultrafast -b:v 600k -f rtsp rtsp://localhost:$RTSP_PORT/$RTSP_PATH
    runOnInitRestart: yes

If the platform is Windows:

paths:
  cam:
    runOnInit: ffmpeg -f dshow -i video="USB2.0 HD UVC WebCam" -pix_fmt yuv420p -c:v libx264 -preset ultrafast -b:v 600k -f rtsp rtsp://localhost:$RTSP_PORT/$RTSP_PATH
    runOnInitRestart: yes

Where USB2.0 HD UVC WebCam is the name of your webcam, that can be obtained with:

ffmpeg -list_devices true -f dshow -i dummy

After starting the server, the webcam can be reached on rtsp://localhost:8554/cam.

From a Raspberry Pi Camera

To publish the video stream of a Raspberry Pi Camera to the server, install a couple of dependencies:

GStreamer and h264parse:

sudo apt install -y gstreamer1.0-tools gstreamer1.0-rtsp gstreamer1.0-plugins-bad

gst-rpicamsrc, by following instruction here

Then edit rtsp-simple-server.yml and replace everything inside section paths with the following content:

paths:
  cam:
    runOnInit: gst-launch-1.0 rpicamsrc preview=false bitrate=2000000 keyframe-interval=50 ! video/x-h264,width=1920,height=1080,framerate=25/1 ! h264parse ! rtspclientsink location=rtsp://localhost:$RTSP_PORT/$RTSP_PATH
    runOnInitRestart: yes

After starting the server, the camera is available on rtsp://localhost:8554/cam.

From OBS Studio

OBS Studio can publish to the server by using the RTMP protocol. In Settings -> Stream (or in the Auto-configuration Wizard), use the following parameters:

Service: Custom...
Server: rtmp://localhost
Stream key: mystream

If credentials are in use, use the following parameters:

Service: Custom...
Server: rtmp://localhost
Stream key: mystream?user=myuser&pass=mypass

From OpenCV

To publish a video stream from OpenCV to the server, OpenCV must be compiled with GStreamer support, by following this procedure:

sudo apt install -y libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev gstreamer1.0-plugins-ugly gstreamer1.0-rtsp python3-dev python3-numpy
git clone --depth=1 -b 4.5.4 https://github.com/opencv/opencv
cd opencv
mkdir build && cd build
cmake -D CMAKE_INSTALL_PREFIX=/usr -D WITH_GSTREAMER=ON ..
make -j$(nproc)
sudo make install

Videos can then be published with VideoWriter:

import cv2
import numpy as np
from time import sleep

fps = 20
width = 800
height = 600

out = cv2.VideoWriter('appsrc ! videoconvert' + \
    ' ! x264enc speed-preset=ultrafast bitrate=600 key-int-max=40' + \
    ' ! rtspclientsink location=rtsp://localhost:8554/mystream',
    cv2.CAP_GSTREAMER, 0, fps, (width, height), True)
if not out.isOpened():
    raise Exception("can't open video writer")

while True:
    frame = np.zeros((height, width, 3), np.uint8)

    # create a red rectangle
    for y in range(0, int(frame.shape[0] / 2)):
        for x in range(0, int(frame.shape[1] / 2)):
            frame[y][x] = (0, 0, 255)

    out.write(frame)
    print("frame written to the server")

    sleep(1 / fps)

Read from the server

From VLC and Ubuntu

The VLC shipped with Ubuntu 21.10 doesn't support playing RTSP due to a license issue (see here and here).

To overcome the issue, remove the default VLC instance and install the snap version:

sudo apt purge -y vlc
snap install vlc

Then use it to read the stream:

vlc rtsp://localhost:8554/mystream

RTSP protocol

RTSP general usage

RTSP is a standardized protocol that allows to publish and read streams; in particular, it supports different underlying transport protocols, that are chosen by clients during the handshake with the server:

UDP: the most performant, but doesn't work when there's a NAT/firewall between server and clients. It doesn't support encryption.
UDP-multicast: allows to save bandwidth when clients are all in the same LAN, by sending packets once to a fixed multicast IP. It doesn't support encryption.
TCP: the most versatile, does support encryption.

The default transport protocol is UDP. To change the transport protocol, you have to tune the configuration of your client of choice.

TCP transport

The RTSP protocol supports the TCP transport protocol, that allows to receive packets even when there's a NAT/firewall between server and clients, and supports encryption (see Encryption).

You can use FFmpeg to publish a stream with the TCP transport protocol:

ffmpeg -re -stream_loop -1 -i file.ts -c copy -f rtsp -rtsp_transport tcp rtsp://localhost:8554/mystream

You can use FFmpeg to read that stream with the TCP transport protocol:

ffmpeg -rtsp_transport tcp -i rtsp://localhost:8554/mystream -c copy output.mp4

You can use GStreamer to read that stream with the TCP transport protocol:

gst-launch-1.0 rtspsrc protocols=tcp location=rtsp://localhost:8554/mystream ! fakesink

You can use VLC to read that stream with the TCP transport protocol:

vlc --rtsp-tcp rtsp://localhost:8554/mystream

UDP-multicast transport

The RTSP protocol supports the UDP-multicast transport protocol, that allows a server to send packets once, regardless of the number of connected readers, saving bandwidth.

This mode must be requested by readers when handshaking with the server; once a reader has completed a handshake, the server will start sending multicast packets. Other readers will be instructed to read existing multicast packets. When all multicast readers have disconnected from the server, the latter will stop sending multicast packets.

If you want to use the UDP-multicast protocol in a Wireless LAN, please be aware that the maximum bitrate supported by multicast is the one that corresponds to the lowest enabled WiFi data rate. For instance, if the 1 Mbps data rate is enabled on your router (and it is on most routers), the maximum bitrate will be 1 Mbps. To increase the maximum bitrate, use a cabled LAN or change your router settings.

To request and read a stream with UDP-multicast, you can use FFmpeg:

ffmpeg -rtsp_transport udp_multicast -i rtsp://localhost:8554/mystream -c copy output.mp4

or GStreamer:

gst-launch-1.0 rtspsrc protocols=udp-mcast location=rtsps://ip:8554/...

or VLC (append ?vlcmulticast to the URL):

vlc rtsp://localhost:8554/mystream?vlcmulticast

Encryption

Incoming and outgoing RTSP streams can be encrypted with TLS (obtaining the RTSPS protocol). A self-signed TLS certificate is needed and can be generated with openSSL:

openssl genrsa -out server.key 2048
openssl req -new -x509 -sha256 -key server.key -out server.crt -days 3650

Edit rtsp-simple-server.yml, and set the protocols, encryption, serverKey and serverCert parameters:

protocols: [tcp]
encryption: optional
serverKey: server.key
serverCert: server.crt

Streams can then be published and read with the rtsps scheme and the 8322 port:

ffmpeg -i rtsps://ip:8322/...

If the client is GStreamer, disable the certificate validation:

gst-launch-1.0 rtspsrc tls-validation-flags=0 location=rtsps://ip:8322/...

At the moment VLC doesn't support reading encrypted RTSP streams. A workaround consists in launching an instance of rtsp-simple-server on the same machine in which VLC is running, using it for reading the encrypted stream with the proxy mode, and reading the proxied stream with VLC.

Redirect to another server

To redirect to another server, use the redirect source:

paths:
  redirected:
    source: redirect
    sourceRedirect: rtsp://otherurl/otherpath

Fallback stream

If no one is publishing to the server, readers can be redirected to a fallback path or URL that is serving a fallback stream:

paths:
  withfallback:
    fallback: /otherpath

Corrupted frames

In some scenarios, when reading RTSP from the server, decoded frames can be corrupted or incomplete. This can be caused by multiple reasons:

the packet buffer of the server is too small and can't keep up with the stream throughput. A solution consists in increasing its size:
```
readBufferCount: 1024
```
The stream throughput is too big and the stream can't be sent correctly with the UDP transport. UDP is more performant, faster and more efficient than TCP, but doesn't have a retransmission mechanism, that is needed in case of streams that need a large bandwidth. A solution consists in switching to TCP:
```
protocols: [tcp]
```
In case the source is a camera:
```
paths:
  test:
    source: rtsp://..
    sourceProtocol: tcp
```

RTMP protocol

RTMP general usage

RTMP is a protocol that allows to read and publish streams, but is less versatile and less efficient than RTSP (doesn't support UDP, encryption, doesn't support most RTSP codecs, doesn't support feedback mechanism). It is used when there's need of publishing or reading streams from a software that supports only RTMP (for instance, OBS Studio and DJI drones).

At the moment, only the H264 and AAC codecs can be used with the RTMP protocol.

Streams can be published or read with the RTMP protocol, for instance with FFmpeg:

ffmpeg -re -stream_loop -1 -i file.ts -c copy -f flv rtmp://localhost/mystream

or GStreamer:

gst-launch-1.0 -v flvmux name=s ! rtmpsink location=rtmp://localhost/mystream filesrc location=file.mp4 ! qtdemux name=d d.video_0 ! queue ! s.video d.audio_0 ! queue ! s.audio

Credentials can be provided by appending to the URL the user and pass parameters:

ffmpeg -re -stream_loop -1 -i file.ts -c copy -f flv rtmp://localhost:8554/mystream?user=myuser&pass=mypass

HLS protocol

HLS general usage

HLS is a media format that allows to embed live streams into web pages. Every stream published to the server can be accessed with a web browser by visiting:

http://localhost:8888/mystream

where mystream is the name of a stream that is being published.

Embedding

The simples way to embed a live stream into a web page consists in using an iframe tag:

<iframe src="http://rtsp-simple-server-ip:8888/mystream" scrolling="no"></iframe>

Alternatively you can create a video tag that points directly to the stream playlist:

<video src="http://localhost:8888/mystream/index.m3u8"></video>

Please note that most browsers don't support HLS directly (except Safari); a Javascript library, like hls.js, must be used to load the stream. You can find a working example by looking at the source code of the HLS muxer.

Decrease delay

HLS works by splitting the stream into segments and serving these segments with the standard HTTP protocol. Delay is introduced since a client must wait for the server to generate segments before downloading them. This delay amounts to 1-15 seconds depending on some factors:

the number of segments
the duration of each segment

To decrease the delay, it's possible to decrease the number of segments by editing the hlsSegmentCount parameter (decreasing stream stability) and decrease the duration of each segment. The duration of each segments depends on the hlsSegmentDuration, but also on the original stream, since the duration is prolonged to include at least one IDR frame (complete frame that can be decoded independently from the others) into each segment. Therefore, the stream must be tuned by either acting on the original hardware (for instance, there's a setting Key-Frame Interval in most cameras, that must be reduced) or re-encoding the stream, setting a low IDR frame interval (-g option):

ffmpeg -i rtsp://original-stream -pix_fmt yuv420p -c:v libx264 -preset ultrafast -b:v 600k -max_muxing_queue_size 1024 -g 30 -f rtsp rtsp://localhost:$RTSP_PORT/compressed

Links

Related projects

https://github.com/aler9/gortsplib (RTSP library used internally)
https://github.com/pion/sdp (SDP library used internally)
https://github.com/pion/rtcp (RTCP library used internally)
https://github.com/pion/rtp (RTP library used internally)
https://github.com/notedit/rtmp (RTMP library used internally)
https://github.com/flaviostutz/rtsp-relay

IETF Standards

RTSP 1.0 https://tools.ietf.org/html/rfc2326
RTSP 2.0 https://tools.ietf.org/html/rfc7826
HTTP 1.1 https://tools.ietf.org/html/rfc2616

Conventions

https://github.com/golang-standards/project-layout

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apidocs		apidocs
bench		bench
internal		internal
testimages		testimages
.dockerignore		.dockerignore
.gitignore		.gitignore
.golangci.yml		.golangci.yml
LICENSE		LICENSE
Makefile		Makefile
README.md		README.md
go.mod		go.mod
go.sum		go.sum
logo.png		logo.png
main.go		main.go
rtsp-simple-server.yml		rtsp-simple-server.yml

License

netyuchangfa/rtsp-simple-server

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Table of contents

Installation

Standard

Docker

Basic usage

General

Configuration

Authentication

Encrypt the configuration

Proxy mode

Remuxing, re-encoding, compression

Save streams to disk

On-demand publishing

Start on boot

Linux

Windows

HTTP API

Metrics

pprof

Compile and run from source

Publish to the server

From a webcam

From a Raspberry Pi Camera

From OBS Studio

From OpenCV

Read from the server

From VLC and Ubuntu

RTSP protocol

RTSP general usage

TCP transport

UDP-multicast transport

Encryption

Redirect to another server

Fallback stream

Corrupted frames

RTMP protocol

RTMP general usage

HLS protocol

HLS general usage

Embedding

Decrease delay

Links

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