From b1307f3c055c06dadd743d9586ab3a3f666c7430 Mon Sep 17 00:00:00 2001
From: Frans de Jonge <frans@clevercast.com>
Date: Fri, 3 Oct 2025 17:35:50 +0200
Subject: [PATCH] Improve font size calculation for vertical video

Otherwise subtitles on vertical videos become comically large.
---
 lib/process/process-cues.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/process/process-cues.js b/lib/process/process-cues.js
index 3e83be73..1c2ef65a 100644
--- a/lib/process/process-cues.js
+++ b/lib/process/process-cues.js
@@ -50,7 +50,7 @@ var processCues = function(window, cues, overlay) {
 
   var boxPositions = [],
       containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay),
-      fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100;
+      fontSize = Math.round(Math.min(containerBox.width, containerBox.height) * FONT_SIZE_PERCENT * 100) / 100;
   var styleOptions = {
     font: fontSize + "px " + FONT_STYLE
   };