Refactor frigate config to add a bunch of features
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- Enable vaapi GPU video encode/decode support - Use go2rtc. This allows for watching high resolution camera feeds - Split nix config into pieces that are easier to understand - Add utilities for easily adding new cameras in the future - misc changes
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@ -3,105 +3,153 @@
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let
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frigateHostname = "frigate.s0.neet.dev";
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mkEsp32Cam = address: {
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ffmpeg = {
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input_args = "";
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inputs = [{
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path = "http://${address}:8080";
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roles = [ "detect" "record" ];
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}];
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output_args.record = "-f segment -pix_fmt yuv420p -segment_time 10 -segment_format mp4 -reset_timestamps 1 -strftime 1 -c:v libx264 -preset ultrafast -an ";
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};
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detect = {
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enabled = true;
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width = 800;
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height = 600;
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fps = 10;
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};
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objects = {
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track = [ "person" ];
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};
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mkGo2RtcStream = name: url: withAudio: {
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${name} = [
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url
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"ffmpeg:${name}#video=copy${if withAudio then "#audio=copy" else ""}"
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];
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};
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mkDahuaCam = address: {
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ffmpeg = {
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inputs = [
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{
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path = "rtsp://admin:{FRIGATE_RTSP_PASSWORD}@${address}/cam/realmonitor?channel=1&subtype=0";
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roles = [ "record" ];
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}
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{
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path = "rtsp://admin:{FRIGATE_RTSP_PASSWORD}@${address}/cam/realmonitor?channel=1&subtype=1";
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roles = [ "detect" ];
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}
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];
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};
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detect.enabled = true;
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objects = {
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track = [ "person" "dog" ];
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};
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};
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in
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{
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networking.firewall.allowedTCPPorts = [
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# 1883 # mqtt
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];
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services.frigate = {
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enable = true;
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hostname = frigateHostname;
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settings = {
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mqtt = {
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enabled = true;
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host = "localhost:1883";
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};
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rtmp.enabled = false;
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snapshots = {
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enabled = true;
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bounding_box = true;
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};
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record = {
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enabled = true;
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# sync_recordings = true; # detect if recordings were deleted outside of frigate
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retain = {
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days = 2; # Keep video for 2 days
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mode = "motion";
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};
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events = {
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retain = {
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default = 10; # Keep video with detections for 10 days
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mode = "motion";
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# mode = "active_objects";
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# Assumes camera is set to output:
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# - rtsp
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# - H.264 + AAC
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# - a downscaled substream for detection
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mkCamera = name: primaryUrl: detectUrl: {
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# Reference https://docs.frigate.video/configuration/reference/
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services.frigate.settings = {
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cameras.${name} = {
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ffmpeg = {
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# Camera feeds are relayed through go2rtc
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inputs = [
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{
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path = "rtsp://127.0.0.1:8554/${name}";
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# input_args = "preset-rtsp-restream";
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input_args = "preset-rtsp-restream-low-latency";
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roles = [ "record" ];
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}
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{
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path = detectUrl;
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roles = [ "detect" ];
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}
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];
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output_args = {
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record = "preset-record-generic-audio-copy";
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};
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};
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};
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cameras = {
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dahlia-cam = mkEsp32Cam "dahlia-cam.lan";
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dog-cam = mkDahuaCam "192.168.10.31";
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};
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# ffmpeg = {
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# hwaccel_args = "preset-vaapi";
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# };
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detectors.coral = {
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type = "edgetpu";
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device = "pci";
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};
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services.go2rtc.settings.streams = lib.mkMerge [
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(mkGo2RtcStream name primaryUrl false)
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# Sadly having the detection stream go through go2rpc too makes the stream unreadable by frigate for some reason.
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# It might need to be re-encoded to work. But I am not interested in wasting the processing power if only frigate
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# need the detection stream anyway. So just let frigate grab the stream directly since it works.
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# (mkGo2RtcStream detectName detectUrl false)
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];
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};
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mkDahuaCamera = name: address:
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let
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# go2rtc and frigate have a slightly different syntax for inserting env vars. So the URLs are not interchangable :(
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# - go2rtc: ${VAR}
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# - frigate: {VAR}
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primaryUrl = "rtsp://admin:\${FRIGATE_RTSP_PASSWORD}@${address}/cam/realmonitor?channel=1&subtype=0";
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detectUrl = "rtsp://admin:{FRIGATE_RTSP_PASSWORD}@${address}/cam/realmonitor?channel=1&subtype=1";
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in
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mkCamera name primaryUrl detectUrl;
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mkEsp32Camera = name: address: {
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services.frigate.settings.cameras.${name} = {
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ffmpeg = {
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input_args = "";
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inputs = [{
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path = "http://${address}:8080";
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roles = [ "detect" "record" ];
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}];
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output_args.record = "-f segment -pix_fmt yuv420p -segment_time 10 -segment_format mp4 -reset_timestamps 1 -strftime 1 -c:v libx264 -preset ultrafast -an ";
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};
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};
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};
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in
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lib.mkMerge [
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(mkDahuaCamera "dog-cam" "192.168.10.31")
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# (mkEsp32Camera "dahlia-cam" "dahlia-cam.lan")
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{
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services.frigate = {
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enable = true;
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hostname = frigateHostname;
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settings = {
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mqtt = {
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enabled = true;
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host = "localhost:1883";
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};
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rtmp.enabled = false;
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snapshots = {
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enabled = true;
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bounding_box = true;
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};
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record = {
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enabled = true;
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# sync_recordings = true; # detect if recordings were deleted outside of frigate (expensive)
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retain = {
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days = 2; # Keep video for 2 days
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mode = "motion";
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};
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events = {
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retain = {
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default = 10; # Keep video with detections for 10 days
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mode = "motion";
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# mode = "active_objects";
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};
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};
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};
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# Make frigate aware of the go2rtc streams
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go2rtc.streams = config.services.go2rtc.settings.streams;
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detect.enabled = true;
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objects = {
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track = [ "person" "dog" ];
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};
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};
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};
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# Pass in env file with secrets to frigate
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systemd.services.frigate.serviceConfig.EnvironmentFile = "/run/agenix/frigate-credentials";
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age.secrets.frigate-credentials.file = ../../../secrets/frigate-credentials.age;
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services.go2rtc = {
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enable = true;
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settings = {
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rtsp.listen = ":8554";
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webrtc.listen = ":8555";
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};
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};
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# AMD GPU for vaapi
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systemd.services.frigate.environment.LIBVA_DRIVER_NAME = "radeonsi";
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# Pass in env file with secrets to frigate/go2rtc
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systemd.services.frigate.serviceConfig.EnvironmentFile = "/run/agenix/frigate-credentials";
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systemd.services.go2rtc.serviceConfig.EnvironmentFile = "/run/agenix/frigate-credentials";
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age.secrets.frigate-credentials.file = ../../../secrets/frigate-credentials.age;
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}
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{
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# hardware encode/decode with amdgpu vaapi
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systemd.services.frigate = {
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environment.LIBVA_DRIVER_NAME = "radeonsi";
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serviceConfig = {
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SupplementaryGroups = [ "render" "video" ]; # for access to dev/dri/*
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AmbientCapabilities = "CAP_PERFMON";
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};
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};
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services.frigate.settings.ffmpeg.hwaccel_args = "preset-vaapi";
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}
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{
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# Coral TPU for frigate
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services.udev.packages = [ pkgs.libedgetpu ];
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users.groups.apex = { };
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systemd.services.frigate.environment.LD_LIBRARY_PATH = "${pkgs.libedgetpu}/lib";
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systemd.services.frigate.serviceConfig.SupplementaryGroups = [ "apex" ];
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# Coral TPU for frigate
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services.udev.packages = [ pkgs.libedgetpu ];
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users.groups.apex = { };
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systemd.services.frigate.environment.LD_LIBRARY_PATH = "${pkgs.libedgetpu}/lib";
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systemd.services.frigate.serviceConfig.SupplementaryGroups = "apex";
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# Coral PCIe driver
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kernel.enableGasketKernelModule = true;
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}
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# Coral PCIe driver
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kernel.enableGasketKernelModule = true;
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services.frigate.settings.detectors.coral = {
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type = "edgetpu";
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device = "pci";
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};
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}
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]
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