rtmp htttp推流Windows桌面到srs进行播放
推流命令：
ffmpeg -f gdigrab -framerate 30 -i desktop -c:v libx264 -preset ultrafast -tune zerolatency -pix_fmt yuv420p -f flv rtmp://xxx.xxx.xxxx.xx/live/livestream后面是推流地址
推流后的播放地址为：
http://xxxxxx:8080/live/livestream.flv
可以写一个网页来进行播放flv：
<!DOCTYPE html>
<html>
<head><title>FLV Video Player</title><!-- 引入flv.js库 --><script src="https://cdn.jsdelivr.net/npm/flv.js@latest"></script>
</head>
<body><video id="video" controls></video><script>if (flvjs.isSupported()) {var videoElement = document.getElementById('video');var flvPlayer = flvjs.createPlayer({type: 'flv'