jordan/nix-config
1
1
Fork 0
Code Issues 10 Pull Requests Actions Projects 3 Wiki Activity

hosts/skycam: working stream with go2rtc

Browse Source
This commit is contained in:
Jordan Holt
2025-06-21 23:41:13 +01:00
parent 265fbf1375
commit f6c0620f8e
8 changed files with 314 additions and 81 deletions
Download Patch File Download Diff File Expand all files Collapse all files

89
hosts/skycam/default.nix
View File

@ -1,73 +1,16 @@
{
inputs,
config,
pkgs,
...
}:
{
imports = [
inputs.nixos-hardware.nixosModules.raspberry-pi-4
./hardware-configuration.nix
../server.nix
];
nixpkgs.hostPlatform = "aarch64-linux";
hardware = {
raspberry-pi."4" = {
apply-overlays-dtmerge.enable = true;
audio.enable = false;
xhci.enable = false;
};
deviceTree = {
enable = true;
filter = "*rpi-4-*.dtb";
# From https://github.com/Electrostasy/dots/blob/3b81723feece67610a252ce754912f6769f0cd34/hosts/phobos/klipper.nix#L43-L65
overlays =
let
mkCompatibleDtsFile =
dtbo:
let
drv =
pkgs.runCommand "fix-dts"
{
nativeBuildInputs = with pkgs; [
dtc
gnused
];
}
''
mkdir "$out"
dtc -I dtb -O dts ${dtbo} | sed -e 's/bcm2835/bcm2711/' > $out/overlay.dts
'';
in
"${drv}/overlay.dts";
inherit (config.boot.kernelPackages) kernel;
in
[
{
name = "imx708.dtbo";
dtsFile = mkCompatibleDtsFile "${kernel}/dtbs/overlays/imx708.dtbo";
}
{
name = "vc4-kms-v3d-pi4.dtbo";
dtsFile = mkCompatibleDtsFile "${kernel}/dtbs/overlays/vc4-kms-v3d-pi4.dtbo";
}
];
};
firmware = with pkgs; [
firmwareLinuxNonfree
];
};
services.udev.extraRules = ''
SUBSYSTEM=="rpivid-*", GROUP="video", MODE="0660"
KERNEL=="vcsm-cma", GROUP="video", MODE="0660"
SUBSYSTEM=="dma_heap", GROUP="video", MODE="0660"
'';
networking = {
hostId = "731d1660";
firewall = {
@ -77,27 +20,16 @@
};
};
systemd.services.ustreamer = {
enable = true;
description = "uStreamer service";
unitConfig = {
Type = "simple";
ConditionPathExists = "/sys/bus/i2c/drivers/imx708/10-001a/video4linux";
services.go2rtc =
let
rpicam-vid = "${pkgs.rpicam-apps}/bin/rpicam-vid";
in
{
enable = true;
settings = {
streams.rpicam = "exec:${rpicam-vid} -v1 -t0 -o- --inline --width=4608 --height=2592 --framerate=14 --codec mjpeg --quality 90 --denoise=off --sharpness 1.1";
};
};
serviceConfig = {
ExecStart = ''
${pkgs.libcamera}/bin/libcamerify ${pkgs.unstable.ustreamer}/bin/ustreamer \
--host=0.0.0.0 \
--resolution=4608x2592
'';
DynamicUser = "yes";
SupplementaryGroups = [ "video" ];
Restart = "always";
RestartSec = 10;
};
wantedBy = [ "network-online.target" ];
confinement.mode = "chroot-only";
};
environment.systemPackages = with pkgs; [
git
@ -105,8 +37,7 @@
libcamera
libraspberrypi
raspberrypi-eeprom
v4l-utils
unstable.ustreamer
rpicam-apps
];
system.stateVersion = "24.05";

61
hosts/skycam/hardware-configuration.nix
View File

@ -1,18 +1,20 @@
{
inputs,
config,
lib,
pkgs,
modulesPath,
...
}:
{
imports = [
inputs.nixos-hardware.nixosModules.raspberry-pi-4
(modulesPath + "/installer/sd-card/sd-image-aarch64.nix")
];
boot = {
kernelModules = [ "bcm2835-v4l2" ];
kernelParams = [
"cma=512M"
"panic=0"
];
supportedFilesystems = lib.mkForce [
@ -23,6 +25,61 @@
tmp.cleanOnBoot = false;
};
hardware = {
raspberry-pi."4" = {
apply-overlays-dtmerge.enable = true;
audio.enable = false;
xhci.enable = false;
};
deviceTree = {
enable = true;
filter = "*rpi-4-*.dtb";
# From https://github.com/Electrostasy/dots/blob/3b81723feece67610a252ce754912f6769f0cd34/hosts/phobos/klipper.nix#L43-L65
overlays =
let
mkCompatibleDtsFile =
dtbo:
let
drv =
pkgs.runCommand "fix-dts"
{
nativeBuildInputs = with pkgs; [
dtc
gnused
];
}
''
mkdir "$out"
dtc -I dtb -O dts ${dtbo} | sed -e 's/bcm2835/bcm2711/' > $out/overlay.dts
'';
in
"${drv}/overlay.dts";
inherit (config.boot.kernelPackages) kernel;
in
[
{
name = "imx708.dtbo";
dtsFile = mkCompatibleDtsFile "${kernel}/dtbs/overlays/imx708.dtbo";
}
{
name = "vc4-kms-v3d-pi4.dtbo";
dtsFile = mkCompatibleDtsFile "${kernel}/dtbs/overlays/vc4-kms-v3d-pi4.dtbo";
}
];
};
firmware = with pkgs; [
firmwareLinuxNonfree
];
};
services.udev.extraRules = ''
SUBSYSTEM=="rpivid-*", GROUP="video", MODE="0660"
KERNEL=="vcsm-cma", GROUP="video", MODE="0660"
SUBSYSTEM=="dma_heap", GROUP="video", MODE="0660"
SUBSYSTEM=="dma_heap", KERNEL=="linux,cma", SYMLINK+="dma_heap/vidbuf_cached", OPTIONS+="link_priority=-50"
'';
nixpkgs.overlays = [
(final: super: {
makeModulesClosure = x: super.makeModulesClosure (x // { allowMissing = true; });