From 56cb6ab70fc77e53acc4dcbca8bd51260b9e6ed1 Mon Sep 17 00:00:00 2001
From: yemou <dev@mou.pink>
Date: Fri, 13 Feb 2026 03:51:03 -0500
Subject: [PATCH] vid2gif: new script to turn a video into gif with ffmpeg

---
 .nix/vid2gif.nix | 23 +++++++++++++++++++++++
 flake.lock       |  6 +++---
 flake.nix        |  4 +++-
 scritps/vid2gif  | 12 ++++++++++++
 4 files changed, 41 insertions(+), 4 deletions(-)
 create mode 100644 .nix/vid2gif.nix
 create mode 100755 scritps/vid2gif

diff --git a/.nix/vid2gif.nix b/.nix/vid2gif.nix
new file mode 100644
index 0000000..5df19d4
--- /dev/null
+++ b/.nix/vid2gif.nix
@@ -0,0 +1,23 @@
+{ writeScriptBin
+, bash
+, coreutils
+, ffmpeg
+, ...
+}:
+
+writeScriptBin "vid2gif" (builtins.replaceStrings
+  [
+    "#!/bin/sh"
+    "mktemp"
+    "rm"
+    "ffmpeg"
+  ]
+  [
+    "#!${bash}/bin/sh"
+    "${coreutils}/bin/mktemp"
+    "${coreutils}/bin/rm"
+    "${ffmpeg}/bin/ffmpeg"
+  ]
+  (builtins.readFile ../scritps/vid2gif)
+)
+
diff --git a/flake.lock b/flake.lock
index a653918..1b8772e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1726062873,
-        "narHash": "sha256-IiA3jfbR7K/B5+9byVi9BZGWTD4VSbWe8VLpp9B/iYk=",
+        "lastModified": 1770841267,
+        "narHash": "sha256-9xejG0KoqsoKEGp2kVbXRlEYtFFcDTHjidiuX8hGO44=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4f807e8940284ad7925ebd0a0993d2a1791acb2f",
+        "rev": "ec7c70d12ce2fc37cb92aff673dcdca89d187bae",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 0d5138d..6e49bcb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,9 +17,10 @@
         prefon = final.callPackage ./.nix/prefon.nix { };
         scr = final.callPackage ./.nix/scr.nix { };
         thm = final.callPackage ./.nix/thm.nix { };
+        vid2gif = final.callPackage ./.nix/vid2gif.nix { };
         yemou-scripts = final.symlinkJoin {
           name = "yemou-scripts";
-          paths = [ colorgrab prefon scr thm ];
+          paths = [ colorgrab prefon scr thm vid2gif ];
         };
       };
 
@@ -29,6 +30,7 @@
         prefon = pkgs.prefon;
         scr = pkgs.scr;
         thm = pkgs.thm;
+        vid2gif = pkgs.vid2gif;
         yemou-scripts = pkgs.yemou-scripts;
       });
     };
diff --git a/scritps/vid2gif b/scritps/vid2gif
new file mode 100755
index 0000000..bddffad
--- /dev/null
+++ b/scritps/vid2gif
@@ -0,0 +1,12 @@
+#!/bin/sh
+scale=${3:-0.2}
+filters="scale=iw*${scale}:-1:flags=lanczos"
+palette_file=$(mktemp --tmpdir XXX.png)
+
+[ -z "$1" ] && exit 1
+[ -z "$2" ] && exit 1
+
+ffmpeg -hide_banner -loglevel warning -i "$1" -vf "$filters,palettegen" -update true -y "$palette_file"
+ffmpeg -hide_banner -loglevel warning -i "$1" -i "$palette_file" -filter_complex "$filters,paletteuse" "$2"
+
+rm "$palette_file"
-- 
2.51.2