From f8fc20953f51d0a90c67aefed902483090641a53 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20R=C3=B6ger?= <jonas.roeger@tu-dortmund.de>
Date: Wed, 28 May 2025 00:12:06 +0200
Subject: [PATCH] System Gen44 @ 2025-05-28-00:12:05 by jonas@monolith

---
 .gitignore                                    |  3 +-
 flake.nix                                     | 22 +++++++---
 hosts/monolith/configuration.nix              |  1 +
 pkgs/default.nix                              |  3 ++
 pkgs/transcode-davinci-resolve/.envrc         |  1 +
 pkgs/transcode-davinci-resolve/default.nix    | 25 +++++++++++
 pkgs/transcode-davinci-resolve/shell.nix      |  7 +++
 .../transcode-davinci-resolve.sh              | 44 +++++++++++++++++++
 8 files changed, 98 insertions(+), 8 deletions(-)
 create mode 100644 pkgs/default.nix
 create mode 100644 pkgs/transcode-davinci-resolve/.envrc
 create mode 100644 pkgs/transcode-davinci-resolve/default.nix
 create mode 100644 pkgs/transcode-davinci-resolve/shell.nix
 create mode 100644 pkgs/transcode-davinci-resolve/transcode-davinci-resolve.sh

diff --git a/.gitignore b/.gitignore
index bf0824e..050f6da 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-*.log
\ No newline at end of file
+*.log
+**/.direnv/
diff --git a/flake.nix b/flake.nix
index 1c77e41..c61b208 100644
--- a/flake.nix
+++ b/flake.nix
@@ -37,6 +37,7 @@
   };
 
   outputs = {
+    self,
     nixpkgs,
     nixpkgs-unstable,
     nixos-hardware,
@@ -60,7 +61,7 @@
           isHM = false;
         };
         modules = [
-          ({...}: {nixpkgs.overlays = [overlay-unstable];})
+          ({...}: {nixpkgs.overlays = [overlay-unstable self.overlays.default];})
           ({...}: {nixpkgs.config.allowUnfree = true;})
           nixos-hardware.nixosModules.msi-b550-a-pro
           inputs.sops-nix.nixosModules.sops
@@ -75,7 +76,7 @@
           isHM = false;
         };
         modules = [
-          ({...}: {nixpkgs.overlays = [overlay-unstable];})
+          ({...}: {nixpkgs.overlays = [overlay-unstable self.overlays.default];})
           ({...}: {
             nixpkgs.config.allowUnfree = true;
             nixpkgs.config.nvidia.acceptLicense = true;
@@ -100,7 +101,7 @@
           isHM = false;
         };
         modules = [
-          ({...}: {nixpkgs.overlays = [overlay-unstable];})
+          ({...}: {nixpkgs.overlays = [overlay-unstable self.overlays.default];})
           ({...}: {nixpkgs.config.allowUnfree = true;})
           inputs.sops-nix.nixosModules.sops
           ./modules
@@ -123,7 +124,7 @@
       # Specify your home configuration modules here, for example,
       # the path to your home.nix.
       modules = [
-        ({...}: {nixpkgs.overlays = [overlay-unstable];})
+        ({...}: {nixpkgs.overlays = [overlay-unstable self.overlays.default];})
         ({...}: {nixpkgs.config.allowUnfree = true;})
         inputs.plasma-manager.homeManagerModules.plasma-manager
         inputs.sops-nix.homeManagerModules.sops
@@ -144,7 +145,7 @@
       # Specify your home configuration modules here, for example,
       # the path to your home.nix.
       modules = [
-        ({...}: {nixpkgs.overlays = [overlay-unstable];})
+        ({...}: {nixpkgs.overlays = [overlay-unstable self.overlays.default];})
         ({...}: {nixpkgs.config.allowUnfree = true;})
         inputs.plasma-manager.homeManagerModules.plasma-manager
         inputs.sops-nix.homeManagerModules.sops
@@ -165,7 +166,7 @@
       # Specify your home configuration modules here, for example,
       # the path to your home.nix.
       modules = [
-        ({...}: {nixpkgs.overlays = [overlay-unstable];})
+        ({...}: {nixpkgs.overlays = [overlay-unstable self.overlays.default];})
         ({...}: {nixpkgs.config.allowUnfree = true;})
         inputs.plasma-manager.homeManagerModules.plasma-manager
         inputs.sops-nix.homeManagerModules.sops
@@ -186,7 +187,7 @@
       # Specify your home configuration modules here, for example,
       # the path to your home.nix.
       modules = [
-        ({...}: {nixpkgs.overlays = [overlay-unstable];})
+        ({...}: {nixpkgs.overlays = [overlay-unstable self.overlays.default];})
         ({...}: {nixpkgs.config.allowUnfree = true;})
         inputs.plasma-manager.homeManagerModules.plasma-manager
         inputs.sops-nix.homeManagerModules.sops
@@ -201,6 +202,13 @@
         isHM = true;
       };
     };
+
+    devShells.${system} = {
+      transcode-davinci-resolve = (import ./pkgs/transcode-davinci-resolve/shell.nix) {pkgs = nixpkgs.legacyPackages.${system};};
+    };
+
+    overlays.default = import ./pkgs;
+
     templates = {
       rust = {
         path = ./templates/rust;
diff --git a/hosts/monolith/configuration.nix b/hosts/monolith/configuration.nix
index 581229d..f883bc1 100644
--- a/hosts/monolith/configuration.nix
+++ b/hosts/monolith/configuration.nix
@@ -97,6 +97,7 @@
     ranger
     sops
     spotify
+    transcode-davinci-resolve
     vim
     vlc
     vscode
diff --git a/pkgs/default.nix b/pkgs/default.nix
new file mode 100644
index 0000000..465763f
--- /dev/null
+++ b/pkgs/default.nix
@@ -0,0 +1,3 @@
+_: prev: {
+  transcode-davinci-resolve = prev.callPackage ./transcode-davinci-resolve {};
+}
diff --git a/pkgs/transcode-davinci-resolve/.envrc b/pkgs/transcode-davinci-resolve/.envrc
new file mode 100644
index 0000000..7bdd9c7
--- /dev/null
+++ b/pkgs/transcode-davinci-resolve/.envrc
@@ -0,0 +1 @@
+use flake ../../#transcode-davinci-resolve --show-trace
diff --git a/pkgs/transcode-davinci-resolve/default.nix b/pkgs/transcode-davinci-resolve/default.nix
new file mode 100644
index 0000000..990143a
--- /dev/null
+++ b/pkgs/transcode-davinci-resolve/default.nix
@@ -0,0 +1,25 @@
+{
+  bash,
+  ffmpeg,
+  fzf,
+  gum,
+  stdenv,
+  tree,
+  ...
+}:
+stdenv.mkDerivation {
+  name = "transcode-davinci-resolve";
+  src = ./.;
+
+  buildInputs = [
+    bash
+    ffmpeg
+    fzf
+    gum
+    tree
+  ];
+
+  installPhase = ''
+    install -Dm755 transcode-davinci-resolve.sh $out/bin/transcode-davinci-resolve
+  '';
+}
diff --git a/pkgs/transcode-davinci-resolve/shell.nix b/pkgs/transcode-davinci-resolve/shell.nix
new file mode 100644
index 0000000..a314d08
--- /dev/null
+++ b/pkgs/transcode-davinci-resolve/shell.nix
@@ -0,0 +1,7 @@
+{pkgs ? import <nixpkgs> {}}: let
+  bin = pkgs.callPackage ./default.nix {};
+in
+  pkgs.mkShell {
+    name = "transcode-davinci-resolve";
+    inputsFrom = [bin];
+  }
diff --git a/pkgs/transcode-davinci-resolve/transcode-davinci-resolve.sh b/pkgs/transcode-davinci-resolve/transcode-davinci-resolve.sh
new file mode 100644
index 0000000..889cb58
--- /dev/null
+++ b/pkgs/transcode-davinci-resolve/transcode-davinci-resolve.sh
@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+
+set -e
+
+where="${1:-.}"
+
+selection=$(find "$where" -type f | fzf --multi --preview 'ffprobe -v error -show_format -show_streams {}' --preview-window=up:wrap)
+
+output_dir=$(find $HOME -type d ! -name '.*' ! -path '*/.*/*' | fzf --preview 'tree -C {}' --preview-window=up:wrap --prompt "Select output directory: ")
+
+if gum confirm "Flatten the directory structure?";
+then
+    flatten=true
+else
+    flatten=false
+fi
+
+function transcode_job {
+    local file="$1"
+    local output_dir="$2"
+    local flatten="$3"
+    local where=$4
+    local fname=$(basename "$file")
+    local segment=$(realpath --relative-to="$where" "$file")
+
+    if [ "$flatten" = true ]; then
+        output_file="$output_dir/$fname.mov"
+    else
+        output_file="$output_dir/$segment.mov"
+    fi
+
+    mkdir -p "$(dirname "$output_file")" >> log.txt
+
+    ffmpeg -i "$file" -c:v dnxhd -profile:v dnxhr_hq -pix_fmt yuv422p -c:a pcm_s16le "$output_file" || true
+
+}
+export -f transcode_job
+
+i=1
+len=$(echo "$selection" | wc -l)
+while IFS= read -r file; do
+    gum spin --spinner dot --title "[$i/$len] Transcoding $file" -- bash -c "source <(declare -f transcode_job); transcode_job \"$file\" \"$output_dir\" \"$flatten\" \"$where\""
+    ((i++))
+done <<< "$selection"