From c0cee41f2c56a7e73a3fbf94c5b23f681095f9fb Mon Sep 17 00:00:00 2001
From: Catriona Schlosser <catriona.schlosser@tv.cuny.edu>
Date: Mon, 12 Aug 2024 11:14:20 -0400
Subject: [PATCH] added additional video filter to makederiv

added add_video_filter
---
 makederiv | 1 +
 1 file changed, 1 insertion(+)

diff --git a/makederiv b/makederiv
index 4feeff1..6807c5a 100755
--- a/makederiv
+++ b/makederiv
@@ -497,6 +497,7 @@ while [[ "${@}" != "" ]] ; do
             fi
             _add_video_filter "format=yuv422p"
             _add_video_filter "lut=y=if(gt(val\,235)\,235\,val):u=if(gt(val\,235)\,235\,val):v=if(gt(val\,235)\,235\,val)"
+            _add_video_filter "lut=y=if(lt(val\,16)\,16\,val):u=if(lt(val\,16)\,16\,val):v=if(lt(val\,16)\,16\,val)"
         elif [[ "${OUTPUT_TYPE}" == "broadcast_copy" ]] ; then
             MIDDLEOPTIONS+=(-map 0:v)
             MIDDLEOPTIONS+=(-c:v copy)