From 56ec3ea9f64e2434983f1aadf0241cc6cd09dc83 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <kasper93@gmail.com>
Date: Tue, 8 Aug 2023 16:54:36 +0200
Subject: [PATCH] aspect: don't allow scaled_src_size be 0

It doesn't make sense to have zero here and it breaks, logic below.
Width was still campled to 1, but with broken offset.

This fixes things like video-scale-x=0
---
 video/out/aspect.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/video/out/aspect.c b/video/out/aspect.c
index c07fdce84a..b3e91fd73c 100644
--- a/video/out/aspect.c
+++ b/video/out/aspect.c
@@ -83,6 +83,7 @@ static void src_dst_split_scaling(int src_size, int dst_size,
                                   int *osd_margin_a, int *osd_margin_b)
 {
     scaled_src_size *= powf(2, zoom) * scale;
+    scaled_src_size = MPMAX(scaled_src_size, 1);
     align = (align + 1) / 2;
 
     *src_start = 0;