HLS是最常见的视频流媒体协议,HLS是一种自适应流媒体技术,可以根据用户的设备和网络条件对播放媒体内容,以获得最佳播放性能。
Nginx RTMP是一个Nginx插件,支持将RTMP和HLS流添加到媒体服务器。以ubuntu为力,下面介绍如何安装使用nginx Rtmp 插件的步骤。
1.更新apt库
apt-get update
2.安装ffmpeg等所需要的软件
apt-get install -y git build-essential ffmpeg libpcre3 libpcre3-dev libssl-dev zlib1g-dev
3.下载RTMP模块
git clone https://github.com/sergey-dryabzhinsky/nginx-rtmp-module.git
4.下载并解压Nginx
wget http://nginx.org/download/nginx-1.17.6.tar.gztar -xf nginx-1.17.6.tar.gzcd nginx-1.17.6
5.配置Nginx拷贝一份nginx配置文件出来
mv /usr/local/nginx/conf/nginx.confnano /usr/local/nginx/conf/nginx.conf
将以下内容复制到nginx.conf文件中:
worker_processes auto;
events {
worker_connections 1024;
}
# RTMP configuration
rtmp {
server
{
listen 1935;
# Listen on standard RTMP
portchunk_size 4000;
application show
{
live on;
# Turn on HLS
hls on;
hls_path /mnt/hls/;
hls_fragment 3;
hls_playlist_length 60;
# disable consuming the stream from nginx as rtmpdeny
play all;
}
}
}
http {
sendfile off;
tcp_nopush on;
directio 512;
default_type application/octet-stream;
server {
listen 8080;
location / {
# Disable cache
add_header 'Cache-Control' 'no-cache';
# CORS setup
add_header 'Access-Control-Allow-Origin' '*' always;
add_header 'Access-Control-Expose-Headers' 'Content-Length';
# allow CORS preflight requests
if ($request_method = 'OPTIONS') {
add_header 'Access-Control-Allow-Origin' '*';
add_header 'Access-Control-Max-Age' 1728000;
add_header 'Content-Type' 'text/plain charset=UTF-8';
add_header 'Content-Length' 0;
return 204;
}
types {
application/dash+xml mpd;
application/vnd.apple.mpegurl m3u8;
video/mp2t ts;
}
root /mnt/;
}
}
}
6.启动Nginx
/usr/local/nginx/sbin/nginx
7.测试
该服务器可以从各种来源进行流式传输,包括静态文件、网络摄像头等。由于上面的步骤中安装了ffmpeg,我们可以将example-vid.mp4视频文件流式传输到http服务http://localhost/show/stream。
ffmpeg -re -i example-vid.mp4 -vcodec libx264 -vprofile baseline -g 30 -acodec aac -strict -2 -f flv rtmp://localhost/show/stream
8.最后
根据服务的需求,可以将http服务集成到您的应用程序或者网页中。