From f07e99d1b393d17ea7f04eb867dae5a70b1cde28 Mon Sep 17 00:00:00 2001
From: gaesa <71256557+gaesa@users.noreply.github.com>
Date: Fri, 6 Dec 2024 14:20:50 +0000
Subject: [PATCH] fix: avoid upscaling for the video previewer

See also:
- https://trac.ffmpeg.org/wiki/Scaling
- https://superuser.com/questions/566998/how-can-i-fit-a-video-to-a-certain-size-but-dont-upscale-it-with-ffmpeg
---
 yazi-plugin/preset/plugins/video.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yazi-plugin/preset/plugins/video.lua b/yazi-plugin/preset/plugins/video.lua
index 832e1476..5d022ecd 100644
--- a/yazi-plugin/preset/plugins/video.lua
+++ b/yazi-plugin/preset/plugins/video.lua
@@ -56,7 +56,7 @@ function M:preload(job)
 		"-i", tostring(job.file.url),
 		"-vframes", 1,
 		"-q:v", qv,
-		"-vf", string.format("scale=%d:-2:flags=fast_bilinear", PREVIEW.max_width),
+		"-vf", string.format("scale='min(%d,iw)':-2:flags=fast_bilinear", PREVIEW.max_width),
 		"-f", "image2",
 		"-y", tostring(cache),
 	}):status()