From 474ccfd0534e03cfcde94fe0f94e3028ed65366a Mon Sep 17 00:00:00 2001
From: Andrew Opalach <andrew@akon.city>
Date: Sun, 19 Jan 2025 10:49:22 -0500
Subject: Add DVD boilerplate

- Work on FFmpeg hwframes context support
- Raspberry Pi testing
- Update color_palette

Signed-off-by: Andrew Opalach <andrew@akon.city>
---
 hardware/cmsb-001/configuration.nix | 36 ++++++++++++++++++++++++------------
 1 file changed, 24 insertions(+), 12 deletions(-)

(limited to 'hardware')

diff --git a/hardware/cmsb-001/configuration.nix b/hardware/cmsb-001/configuration.nix
index 53217cd..a4fb9bb 100644
--- a/hardware/cmsb-001/configuration.nix
+++ b/hardware/cmsb-001/configuration.nix
@@ -1,4 +1,6 @@
 # https://citizen428.net/blog/installing-nixos-raspberry-pi-3/
+# https://faint.day/blog/raspberry-pi-3-hardware-accelerated-video-playback/
+# https://github.com/jc-kynesim/rpi-ffmpeg/tree/dev/7.1/rpi_import_2
 { config, lib, pkgs, modulesPath, ... }: {
   imports = [
     #"${modulesPath}/installer/sd-card/sd-image.nix"
@@ -42,12 +44,15 @@
     "i2c_bcm2835"
     "reset-raspberrypi"
   ];
-  boot.initrd.kernelModules = [];
+  boot.extraModulePackages = [ config.boot.kernelPackages.v4l2loopback ];
+  boot.kernelModules = [ "v4l2loopback" ];
   boot.kernelParams = [ "mitigations=off" "file_caps=1" ];
   boot.blacklistedKernelModules = [ "snd_bcm2835" ];
 
   hardware.enableRedistributableFirmware = true;
-  hardware.graphics.enable = true;
+  hardware.graphics = {
+    enable = true;
+  };
 
   console = {
     font = "Lat2-Terminus16";
@@ -114,6 +119,7 @@
     })
     mesa-demos
     vulkan-tools
+    v4l-utils
     cage
     nfs-utils
     mpv
@@ -127,18 +133,24 @@
       source = "${pkgs.cage}/bin/cage";
       setuid = true;
     };
-  };
-
-  services.cage = {
-    enable = true;
-    user = "naunet";
-    environment = {
-      WLR_LIBINPUT_NO_DEVICES = "1";
+    "mount.nfs" = {
+      owner = "root";
+      group = "root";
+      source = "${pkgs.nfs-utils.out}/bin/mount.nfs";
+      setuid = true;
     };
-    program = "${pkgs.camu}/bin/cmv";
   };
-  systemd.services."cage-tty1".serviceConfig.StandardOutput = lib.mkForce "journal+console";
-  systemd.services."cage-tty1".wantedBy = [];
+
+  #services.cage = {
+  #  enable = true;
+  #  user = "naunet";
+  #  environment = {
+  #    WLR_LIBINPUT_NO_DEVICES = "1";
+  #  };
+  #  program = "${pkgs.camu}/bin/cmv";
+  #};
+  #systemd.services."cage-tty1".serviceConfig.StandardOutput = lib.mkForce "journal+console";
+  #systemd.services."cage-tty1".wantedBy = [];
 
   # https://pablo.tools/blog/computers/nixos-generate-raspberry-images/
   #sdImage = {
-- 
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