srs/trunk/3rdparty/srs-docs/doc/sample-realtime.md
2025-06-27 07:23:45 -04:00

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---
title: RTMP Realtime Deploy
sidebar_label: RTMP Realtime Deploy
hide_title: false
hide_table_of_contents: false
---
# RTMP low latency deploy example
The SRS realtime(low latency) mode can decrease the latency to 0.8-3s.
For detail about latency, read [LowLatency](./low-latency.md).
**Suppose the server ip is 192.168.1.170**
## Step 1, get SRS
For detail, read [GIT](./git.md)
```bash
git clone https://github.com/ossrs/srs
cd srs/trunk
```
Or update the exists code:
```bash
git pull
```
## Step 2, build SRS
For detail, read [Build](./install.md)
```bash
./configure && make
```
## Step 3, config SRS
For detail, read [LowLatency](./low-latency.md)
Save bellow as config, or use `conf/realtime.conf`:
```bash
# conf/realtime.conf
listen 1935;
max_connections 1000;
vhost __defaultVhost__ {
tcp_nodelay on;
min_latency on;
play {
gop_cache off;
queue_length 10;
mw_latency 100;
}
publish {
mr off;
}
}
```
## Step 4, start SRS
For detail, read [LowLatency](./low-latency.md)
```bash
./objs/srs -c conf/realtime.conf
```
## Step 5, start Encoder
For detail, read [LowLatency](./low-latency.md)
Use FFMPEG to publish stream:
```bash
for((;;)); do \
./objs/ffmpeg/bin/ffmpeg -re -i ./doc/source.flv \
-c copy \
-f flv rtmp://192.168.1.170/live/livestream; \
sleep 1; \
done
```
Or use FMLE to publish:
```bash
FMS URL: rtmp://192.168.1.170/live
Stream: livestream
```
Note: To measure the latency, can use the clock of mobile phone.
![latency](/img/sample-realtime-001.png)
## Step 6, play RTMP
For detail, read [LowLatency](./low-latency.md)
RTMP url is: `rtmp://192.168.1.170:1935/live/livestream`
User can use vlc to play the RTMP stream.
Note: Please replace all ip 192.168.1.170 to your server ip.
Winlin 2014.12
![](https://ossrs.io/gif/v1/sls.gif?site=ossrs.io&path=/lts/doc/en/v7/sample-realtime)