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Version: 5.0 (Stable) ✅

Transcode for HLS deploy example

HLS required h.264+aac, user can transcode for other codecs.

Pure audio HLS, read [HLS audio only][]

Suppose the server ip is

Step 1, get SRS​

For detail, read GIT

git clone
cd srs/trunk

Or update the exists code:

git pull

Step 2, build SRS​

For detail, read Build

./configure --ffmpeg-tool=on && make

Step 3, config SRS​

For detail, read HLS

Save bellow as config, or use conf/

# 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://[port]/[app]?vhost=[vhost]/[stream]_[engine];

Step 4, strat SRS​

For detail, read HLS

./objs/srs -c conf/

Step 5, start Encoder​

For detail, read HLS

Use FFMPEG to publish stream:

    for((;;)); do \
./objs/ffmpeg/bin/ffmpeg -re -i ./doc/source.flv \
-c copy \
-f flv rtmp://; \
sleep 1; \

Or use FMLE to publish:

FMS URL: rtmp://
Stream: livestream

The stream in SRS:

  • RTMP URL: rtmp://
  • Transcode RTMP: rtmp://
  • Transcode HLS:

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

RTMP url is: rtmp://

User can use vlc to play the RTMP stream.

Note: Please replace all ip to your server ip.

Step 7, play HLS​

For detail, read HLS

HLS url:

User can use vlc to play the HLS stream.

Or, use online SRS player: srs-player

Note: Please replace all ip to your server ip.

Winlin 2014.11