From ba39289d79452650263cc6e7950d41fba8dcef8e Mon Sep 17 00:00:00 2001
From: tfvlrue <35318734+tfvlrue@users.noreply.github.com>
Date: Fri, 28 Aug 2020 12:00:30 -0400
Subject: [PATCH] Resolve audio/x-wav to "wav" extension, rather than "x-wav"
 (which ffmpeg does not recognize)

This was causing ffmpeg errors when trying to downloading certain audio files from Soundcloud with the --add-metadata option set.
---
 youtube_dl/utils.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index d1eca3760..c73f5e0ca 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -4173,6 +4173,7 @@ def mimetype2ext(mt):
         # Per RFC 3003, audio/mpeg can be .mp1, .mp2 or .mp3. Here use .mp3 as
         # it's the most popular one
         'audio/mpeg': 'mp3',
+        'audio/x-wav': 'wav',
     }.get(mt)
     if ext is not None:
         return ext