From 541a3453844db621714863b7ab6fc1070eb16798 Mon Sep 17 00:00:00 2001
From: at71 <at71@illinois.edu>
Date: Tue, 3 Feb 2026 00:25:26 -0600
Subject: [PATCH] make width even in command

---
 video/preview/Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/video/preview/Dockerfile b/video/preview/Dockerfile
index b5b8128..1ef9267 100644
--- a/video/preview/Dockerfile
+++ b/video/preview/Dockerfile
@@ -16,7 +16,8 @@ ENV VERSION=${VERSION} \
     IMAGE_PREVIEW_COMMAND="@BINARY@ -y -i @INPUT@ -ss 1 -t 1 -r 1 -vcodec png -f rawvideo @OUTPUT@" \
     PREVIEW_BINARY="/usr/bin/ffmpeg" \
     PREVIEW_TYPE="mp4" \
-    PREVIEW_COMMAND="@BINARY@ -y -i @INPUT@ -c:v libx264 -profile:v baseline -preset slow -vf scale=-1:'min(ih,360)' -strict experimental -c:a aac -b:a 48k -movflags +faststart @OUTPUT@"
+    PREVIEW_COMMAND="@BINARY@ -y -i @INPUT@ -c:v libx264 -profile:v baseline -preset slow -vf scale='trunc(iw*min(360/ih\\,1)/2)*2:trunc(ih*min(360/ih\\,1)/2)*2' -strict experimental -c:a aac -b:a 48k -movflags +faststart @OUTPUT@"
+
 
 WORKDIR /extractor