From b8abd255e454acbe0023cdb946f9eb461ced7eeb Mon Sep 17 00:00:00 2001
From: bashonly <88596187+bashonly@users.noreply.github.com>
Date: Fri, 18 Jul 2025 14:43:40 -0500
Subject: [PATCH 1/2] [utils] `mimetype2ext`: Always parse `flac` from
 `audio/flac` (#13748)

Authored by: bashonly
---
 yt_dlp/utils/_utils.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/yt_dlp/utils/_utils.py b/yt_dlp/utils/_utils.py
index 20aa341ca..c930830d9 100644
--- a/yt_dlp/utils/_utils.py
+++ b/yt_dlp/utils/_utils.py
@@ -2961,6 +2961,7 @@ def mimetype2ext(mt, default=NO_DEFAULT):
         'audio/x-matroska': 'mka',
         'audio/x-mpegurl': 'm3u',
         'aacp': 'aac',
+        'flac': 'flac',
         'midi': 'mid',
         'ogg': 'ogg',
         'wav': 'wav',

From 28bf46b7dafe2e241137763bf570a2f91ba8a53a Mon Sep 17 00:00:00 2001
From: bashonly <88596187+bashonly@users.noreply.github.com>
Date: Fri, 18 Jul 2025 14:46:06 -0500
Subject: [PATCH 2/2] [utils] `urlhandle_detect_ext`: Use
 `x-amz-meta-file-type` headers (#13749)

Authored by: bashonly
---
 yt_dlp/utils/_utils.py | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)

diff --git a/yt_dlp/utils/_utils.py b/yt_dlp/utils/_utils.py
index c930830d9..c91a06e9a 100644
--- a/yt_dlp/utils/_utils.py
+++ b/yt_dlp/utils/_utils.py
@@ -3106,21 +3106,15 @@ def get_compatible_ext(*, vcodecs, acodecs, vexts, aexts, preferences=None):
 def urlhandle_detect_ext(url_handle, default=NO_DEFAULT):
     getheader = url_handle.headers.get
 
-    cd = getheader('Content-Disposition')
-    if cd:
-        m = re.match(r'attachment;\s*filename="(?P<filename>[^"]+)"', cd)
-        if m:
-            e = determine_ext(m.group('filename'), default_ext=None)
-            if e:
-                return e
+    if cd := getheader('Content-Disposition'):
+        if m := re.match(r'attachment;\s*filename="(?P<filename>[^"]+)"', cd):
+            if ext := determine_ext(m.group('filename'), default_ext=None):
+                return ext
 
-    meta_ext = getheader('x-amz-meta-name')
-    if meta_ext:
-        e = meta_ext.rpartition('.')[2]
-        if e:
-            return e
-
-    return mimetype2ext(getheader('Content-Type'), default=default)
+    return (
+        determine_ext(getheader('x-amz-meta-name'), default_ext=None)
+        or getheader('x-amz-meta-file-type')
+        or mimetype2ext(getheader('Content-Type'), default=default))
 
 
 def encode_data_uri(data, mime_type):