Fix udev rules on skycam

flake.nix

@@ -67,6 +67,7 @@
       overlays = [
         agenix.overlays.default
         (import ./overlays/gnome.nix)
+        (import ./overlays/default.nix)
         (
           final: prev: {
             unstable = import inputs.nixpkgs-unstable { system = final.system; };

hosts/skycam/default.nix

@@ -46,7 +46,9 @@
   };
 
   services.udev.extraRules = ''
-    SUBSYSTEM="dma_heap", GROUP="video", MODE="0600"
+    SUBSYSTEM=="rpivid-*", GROUP="video", MODE="0660"
+    KERNEL=="vcsm-cma", GROUP="video", MODE="0660"
+    SUBSYSTEM=="dma_heap", GROUP="video", MODE="0660"
   '';
 
   nixpkgs.overlays = [
@@ -82,6 +84,8 @@
         --host=0.0.0.0 \
         --resolution=4608x2592
       '';
+      DynamicUser = "yes";
+      SupplementaryGroups = [ "video" ];
       Restart = "always";
       RestartSec = 10;
     };
@@ -90,6 +94,7 @@
   };
 
   environment.systemPackages = with pkgs; [
+    camera-streamer
     git
     neovim
     libcamera

overlays/0001-Ignore-IPA-signing.patch

@@ -0,0 +1,25 @@
+From 625939e594ce255afa3fab3a40c3e524460e1f8b Mon Sep 17 00:00:00 2001
+From: Jordan Holt <jordan@vimium.com>
+Date: Sat, 10 Aug 2024 18:28:08 +0100
+Subject: [PATCH] Ignore IPA signing
+
+---
+ src/libcamera/ipa_manager.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/libcamera/ipa_manager.cpp b/src/libcamera/ipa_manager.cpp
+index 6d5bbd05..43004175 100644
+--- a/src/libcamera/ipa_manager.cpp
++++ b/src/libcamera/ipa_manager.cpp
+@@ -295,7 +295,7 @@ bool IPAManager::isSignatureValid([[maybe_unused]] IPAModule *ipa) const
+ 	if (data.empty())
+ 		return false;
+ 
+-	bool valid = pubKey_.verify(data, ipa->signature());
++	bool valid = true;
+ 
+ 	LOG(IPAManager, Debug)
+ 		<< "IPA module " << ipa->path() << " signature is "
+-- 
+2.44.1
+

overlays/libcamera.nix

@@ -7,6 +7,7 @@ final: prev:
 
     patches = [
       ./0001-Remove-relative-config-lookups.patch
+      ./0001-Ignore-IPA-signing.patch
     ];
 
     mesonFlags = old.mesonFlags ++ [

pkgs/camera-streamer/0001-Disable-libdatachannel.patch

@@ -0,0 +1,25 @@
+From 0f17bb86772afe9495891e420a809a0b3c071caf Mon Sep 17 00:00:00 2001
+From: Jordan Holt <jordan@vimium.com>
+Date: Sat, 10 Aug 2024 15:37:15 +0100
+Subject: [PATCH] Disable libdatachannel
+
+---
+ Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index d5029bd..e50ba1a 100644
+--- a/Makefile
++++ b/Makefile
+@@ -23,7 +23,7 @@ USE_HW_H264 ?= 1
+ USE_FFMPEG ?= $(shell pkg-config libavutil libavformat libavcodec && echo 1)
+ USE_LIBCAMERA ?= $(shell pkg-config libcamera && echo 1)
+ USE_RTSP ?= $(shell pkg-config live555 && echo 1)
+-USE_LIBDATACHANNEL ?= $(shell [ -e $(LIBDATACHANNEL_PATH)/CMakeLists.txt ] && echo 1)
++USE_LIBDATACHANNEL ?= 0
+ 
+ ifeq (1,$(DEBUG))
+ CFLAGS += -g
+-- 
+2.44.1
+

pkgs/camera-streamer/package.nix

@@ -1,5 +1,5 @@
 { stdenv
-, fetchFromGitea
+, fetchFromGitHub
 
 , cmake
 , gnumake
@@ -24,15 +24,18 @@ stdenv.mkDerivation (finalAttrs: {
   pname = "camera-streamer";
   version = "0.2.8";
 
-  src = fetchFromGitea {
-    domain = "git.vimium.com";
-    owner = "jordan";
+  src = fetchFromGitHub {
+    owner = "ayufan";
     repo = "camera-streamer";
-    rev = "464f05172c725b4b302464eecdb8b6e85fda6e84";
-    hash = "sha256-IkLR/oozYU+hfpct+GXej2T3GEhauQtqwWOcrQAErbM=";
+    rev = "refs/tags/v${finalAttrs.version}";
+    hash = "sha256-8vV8BMFoDeh22I1/qxk6zttJROaD/lrThBxXHZSPpT4=";
     fetchSubmodules = true;
   };
 
+  patches = [
+    ./0001-Disable-libdatachannel.patch
+  ];
+
   # Second replacement fixes literal newline in generated version.h.
   postPatch = ''
     substituteInPlace Makefile \