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{ pkgs, lib, ... }:
let
rtmpUrl = "rtmp://localhost:1935/test";
in
{
name = "mediamtx";
meta.maintainers = with lib.maintainers; [ fpletz ];
nodes = {
machine = {
services.mediamtx = {
enable = true;
settings = {
metrics = true;
paths.all.source = "publisher";
};
};
systemd.services.rtmp-publish = {
description = "Publish an RTMP stream to mediamtx";
after = [ "mediamtx.service" ];
bindsTo = [ "mediamtx.service" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
DynamicUser = true;
Restart = "on-failure";
RestartSec = "1s";
TimeoutStartSec = "30s";
ExecStart = "${lib.getBin pkgs.ffmpeg-headless}/bin/ffmpeg -re -f lavfi -i smptebars=size=800x600:rate=10 -c libx264 -f flv ${rtmpUrl}";
};
};
systemd.services.rtmp-receive = {
description = "Receive an RTMP stream from mediamtx";
after = [ "rtmp-publish.service" ];
bindsTo = [ "rtmp-publish.service" ];
wantedBy = [ "multi-user.target" ];
unitConfig.StartLimitIntervalSec = 0;
serviceConfig = {
DynamicUser = true;
Restart = "on-failure";
RestartSec = "1s";
TimeoutStartSec = "30s";
ExecStart = "${lib.getBin pkgs.ffmpeg-headless}/bin/ffmpeg -y -re -i ${rtmpUrl} -f flv /dev/null";
};
};
};
};
testScript = ''
start_all()
machine.wait_for_unit("mediamtx.service")
machine.wait_for_unit("rtmp-publish.service")
machine.wait_until_succeeds("curl http://localhost:9998/metrics | grep '^rtmp_conns.*state=\"publish\".*1$'")
machine.wait_for_unit("rtmp-receive.service")
machine.wait_until_succeeds("curl http://localhost:9998/metrics | grep '^rtmp_conns.*state=\"read\".*1$'")
'';
}
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