non linear yuv texture filtering

gopro_8:7/preset_gopro_8:7.py

@@ -1,6 +1,20 @@
 #PY  <- Needed to identify #
-# RozK
-# Custom preset for GoPro, 8:7 ratio, without hypersmooth, output widened scaled to 4K (2160p), high bitrate
+
+# Fisheye removal for GoPro 11+, 8:7 ratio, without hypersmooth
+# Copyright (C) 2025 Roz K <roz@rozk.net>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 adm = Avidemux()
 adm.videoCodec(