adjustments to how nextcloud finds dependencies

modules/servers/nextcloud.nix

@@ -15,6 +15,19 @@ let
     proxy_set_header Host $host;
     proxy_read_timeout 36000s;
   '';
+  exiftool = pkgs.perlPackages.buildPerlPackage (
+    let
+      version = "12.70";
+    in
+    {
+      pname = "Image-ExifTool";
+      inherit version;
+      src = pkgs.fetchurl {
+        url = "https://exiftool.org/Image-ExifTool-${version}.tar.gz";
+        hash = "sha256-TLJSJEXMPj870TkExq6uraX8Wl4kmNerrSlX3LQsr/4=";
+      };
+    }
+  );
   cfg = config.my.servers.nextcloud;
   cfgC = config.my.servers.collabora;
   setup = import ./setup.nix { inherit lib config; };
@@ -42,22 +55,15 @@ in
       extraGroups = [ "render" ];
       packages =
         builtins.attrValues {
-          inherit (pkgs) mediainfo nodejs perl;
+          inherit (pkgs)
+            ffmpeg
+            mediainfo
+            nodejs
+            perl
+            ;
         }
         ++ [
-          (pkgs.perlPackages.buildPerlPackage (
+          exiftool
-            let
-              version = "12.70";
-            in
-            {
-              pname = "Image-ExifTool";
-              inherit version;
-              src = pkgs.fetchurl {
-                url = "https://exiftool.org/Image-ExifTool-${version}.tar.gz";
-                hash = "sha256-TLJSJEXMPj870TkExq6uraX8Wl4kmNerrSlX3LQsr/4=";
-              };
-            }
-          ))
           (pkgs.python311.withPackages (ps: [ ps.tensorflow ]))
         ];
 
@@ -160,7 +166,10 @@ in
           allow_local_remote_servers = true;
           mail_smtpmode = "sendmail";
           mail_sendmailmode = "pipe";
-          "memories.exiftool" = "/etc/profiles/per-user/nextcloud/bin/exiftool";
+          preview_ffmpeg_path = "${pkgs.ffmpeg}/bin/ffmpeg";
+          "memories.exiftool" = "${exiftool}/bin/exiftool";
+          "memories.ffmpeg_path" = "${pkgs.ffmpeg}/bin/ffmpeg";
+          "memories.ffprobe_path" = "${pkgs.ffmpeg}/bin/ffprobe";
           enabledPreviewProviders = [
             "OC\\Preview\\AVI"
             "OC\\Preview\\BMP"