From 185a14fee82bf13b641c0e0856490a247043baf6 Mon Sep 17 00:00:00 2001
From: xunuwu <xunuwu@gmail.com>
Date: Mon, 28 Jul 2025 19:22:57 +0200
Subject: [PATCH] add audio-abtest script

---
 pkgs/audio-abtest/default.nix | 11 +++++++++++
 pkgs/default.nix              |  1 +
 2 files changed, 12 insertions(+)
 create mode 100644 pkgs/audio-abtest/default.nix

diff --git a/pkgs/audio-abtest/default.nix b/pkgs/audio-abtest/default.nix
new file mode 100644
index 0000000..f341eaa
--- /dev/null
+++ b/pkgs/audio-abtest/default.nix
@@ -0,0 +1,11 @@
+{writeShellScriptBin}:
+writeShellScriptBin "audio-abtest" ''
+  track_1=$(shuf -i 0-1 -n 1)
+  track_2=$(( 1 - track_1 ))
+
+  ffmpeg -i "$1" -i "$2" -f lavfi -i color=c=black:s=100x100:r=3 \
+    -c:v libx264 -tune stillimage -b:v 100k \
+    -c:a copy \
+    -map $track_1:a:0 -map $track_2:a:0 -map 2:v:0 \
+    -shortest output.mkv
+''
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 6cce354..12662d5 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -4,5 +4,6 @@
     ida-pro = pkgs.callPackage ./ida-pro {};
     cartograph-cf = pkgs.callPackage ./cartograph-cf {};
     keyboard-state = pkgs.callPackage ./keyboard-state {};
+    audio-abtest = pkgs.callPackage ./audio-abtest {};
   };
 }