From 4385480795acda35667be008d0bf26b46e9d65b4 Mon Sep 17 00:00:00 2001
From: doe1080 <98906116+doe1080@users.noreply.github.com>
Date: Sat, 26 Jul 2025 03:41:21 +0900
Subject: [PATCH] [utils] `parse_resolution`: Support width-only pattern
 (#13802)

Authored by: doe1080
---
 test/test_utils.py     | 1 +
 yt_dlp/utils/_utils.py | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/test/test_utils.py b/test/test_utils.py
index aedb565ec1..44747efda6 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -1373,6 +1373,7 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(parse_resolution('pre_1920x1080_post'), {'width': 1920, 'height': 1080})
         self.assertEqual(parse_resolution('ep1x2'), {})
         self.assertEqual(parse_resolution('1920, 1080'), {'width': 1920, 'height': 1080})
+        self.assertEqual(parse_resolution('1920w', lenient=True), {'width': 1920})
 
     def test_parse_bitrate(self):
         self.assertEqual(parse_bitrate(None), None)
diff --git a/yt_dlp/utils/_utils.py b/yt_dlp/utils/_utils.py
index 1cb62712ba..a5471da4df 100644
--- a/yt_dlp/utils/_utils.py
+++ b/yt_dlp/utils/_utils.py
@@ -1875,6 +1875,11 @@ def parse_resolution(s, *, lenient=False):
     if mobj:
         return {'height': int(mobj.group(1)) * 540}
 
+    if lenient:
+        mobj = re.search(r'(?<!\d)(\d{2,5})w(?![a-zA-Z0-9])', s)
+        if mobj:
+            return {'width': int(mobj.group(1))}
+
     return {}