Ignore `mhtml` formats from `-f mergeall`

Closes #3324
2 years ago · 316f2650f8
parent bd4073c535
commit 316f2650f8
1 changed files with 2 additions and 1 deletions
--- a/yt_dlp/YoutubeDL.py
+++ b/yt_dlp/YoutubeDL.py
@ -2179,7 +2179,8 @@ class YoutubeDL(object):
                        yield from _check_formats(ctx['formats'][::-1])
                elif format_spec == 'mergeall':
                    def selector_function(ctx):
-                        formats = list(_check_formats(ctx['formats']))
+                        formats = list(_check_formats(
+                            f for f in ctx['formats'] if f.get('vcodec') != 'none' or f.get('acodec') != 'none'))
                        if not formats:
                            return
                        merged_format = formats[-1]