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

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---
title: Transcode HLS Deploy
sidebar_label: Transcode HLS Deploy
hide_title: false
hide_table_of_contents: false
---
# Transcode for HLS deploy example
HLS required h.264+aac, user can transcode for other codecs.
Pure audio HLS, read [HLS audio only][http://ossrs.net/srs.release/wiki/HLS-Audio-Only]
**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 --ffmpeg-tool=on && make
```
## Step 3, config SRS
For detail, read [HLS](./hls.md)
Save bellow as config, or use `conf/transcode2hls.audio.only.conf`:
```bash
# conf/transcode2hls.audio.only.conf
listen 1935;
max_connections 1000;
http_server {
enabled on;
listen 8080;
dir ./objs/nginx/html;
}
vhost __defaultVhost__ {
hls {
enabled on;
hls_path ./objs/nginx/html;
hls_fragment 10;
hls_window 60;
}
transcode {
enabled on;
ffmpeg ./objs/ffmpeg/bin/ffmpeg;
engine ff {
enabled on;
vcodec copy;
acodec libfdk_aac;
abitrate 45;
asample_rate 44100;
achannels 2;
aparams {
}
output rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
}
}
}
```
## Step 4, strat SRS
For detail, read [HLS](./hls.md)
```bash
./objs/srs -c conf/transcode2hls.audio.only.conf
```
## Step 5, start Encoder
For detail, read [HLS](./hls.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
```
The stream in SRS:
* RTMP URL: `rtmp://192.168.1.170/live/livestream`
* Transcode RTMP: `rtmp://192.168.1.170/live/livestream_ff`
* Transcode HLS: `http://192.168.1.170:8080/live/livestream_ff.m3u8`
Note: we can use another vhost to output HLS, other codecs transcode then output to this vhost.
## Step 6, play RTMP
For detail, read [HLS](./hls.md)
RTMP url is: `rtmp://192.168.1.170:1935/live/livestream_ff`
User can use vlc to play the RTMP stream.
Note: Please replace all ip 192.168.1.170 to your server ip.
## Step 7, play HLS
For detail, read [HLS](./hls.md)
HLS url: `http://192.168.1.170:8080/live/livestream_ff.m3u8`
User can use vlc to play the HLS stream.
Or, use online SRS player: [srs-player](https://ossrs.net/players/srs_player.html)
Note: Please replace all ip 192.168.1.170 to your server ip.
Winlin 2014.11
![](https://ossrs.io/gif/v1/sls.gif?site=ossrs.io&path=/lts/doc/en/v7/sample-transcode-to-hls)