From 33d4d08840e075fcd2ea00c4e88ad260046cb578 Mon Sep 17 00:00:00 2001
From: Yan Lin <github@yanlincs.com>
Date: Mon, 12 Jan 2026 11:26:42 +0100
Subject: [PATCH] add video2av1 function

---
 modules/transcode.nix | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/modules/transcode.nix b/modules/transcode.nix
index bf78793..82f7d64 100644
--- a/modules/transcode.nix
+++ b/modules/transcode.nix
@@ -16,5 +16,20 @@
         fi
       done
     }
+
+    function video2av1() {
+      local dir="''${1:-.}"
+      for f in "$dir"/**/*.(mp4|mkv|avi); do
+        if [[ -f "$f" ]]; then
+          local outfile="./transcode/''${f%.*}.mkv"
+          mkdir -p "$(dirname "$outfile")"
+          ffmpeg -hwaccel qsv -i "$f" \
+            -c:v av1_qsv -global_quality 30 \
+            -vf "scale='min(720,iw)':-2" \
+            -c:a copy \
+            "$outfile"
+        fi
+      done
+    }
   '';
 }