From 7f7b3881aacc5f68a43a14e0588087d986c59b14 Mon Sep 17 00:00:00 2001
From: dirkf <fieldhouse@gmx.net>
Date: Sun, 28 Sep 2025 06:01:02 +0100
Subject: [PATCH] [YouTube] Handle Web Safari formats

From yt-dlp/yt-dlp#14168, thx bashonly.
---
 youtube_dl/extractor/youtube.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 81801f5bd..a6f60f9bf 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -2540,6 +2540,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             if f.get('source_preference') is None:
                 f['source_preference'] = -1
 
+            # Deprioritize since its pre-merged m3u8 formats may have lower quality audio streams
+            if client_name == 'web_safari' and proto == 'hls' and not is_live:
+                f['source_preference'] -= 1
+
             if itag in ('616', '235'):
                 f['format_note'] = join_nonempty(f.get('format_note'), 'Premium', delim=' ')
                 f['source_preference'] += 100