[youtube] Prefer audio stream that YouTube considers default

Fixes: https://github.com/ytdl-org/youtube-dl/issues/29864
Related: https://github.com/clsid2/mpc-hc/issues/1268

yt_dlp/extractor/youtube.py

@@ -2622,7 +2622,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'filesize': int_or_none(fmt.get('contentLength')),
                 'format_id': itag,
                 'format_note': ', '.join(filter(None, (
-                    audio_track.get('displayName'),
+                    '%s%s' % (audio_track.get('displayName') or '',
+                              ' (default)' if audio_track.get('audioIsDefault') else ''),
                     fmt.get('qualityLabel') or quality.replace('audio_quality_', '')))),
                 'fps': int_or_none(fmt.get('fps')),
                 'height': height,
@@ -2631,6 +2632,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'url': fmt_url,
                 'width': int_or_none(fmt.get('width')),
                 'language': audio_track.get('id', '').split('.')[0],
+                'language_preference': 1 if audio_track.get('audioIsDefault') else -1,
             }
             mime_mobj = re.match(
                 r'((?:[^/]+)/(?:[^;]+))(?:;\s*codecs="([^"]+)")?', fmt.get('mimeType') or '')
@@ -2817,7 +2819,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
 
         # Source is given priority since formats that throttle are given lower source_preference
         # When throttling issue is fully fixed, remove this
-        self._sort_formats(formats, ('quality', 'height', 'fps', 'source'))
+        self._sort_formats(formats, ('quality', 'res', 'fps', 'source', 'codec:vp9.2', 'size', 'br', 'lang'))
 
         keywords = get_first(video_details, 'keywords', expected_type=list) or []
         if not keywords and webpage: