[youtube] Add `player_client=all`

README.md

@@ -1354,7 +1354,7 @@ Some extractors accept additional arguments which can be passed using `--extract
 The following extractors use this feature:
 * **youtube**
     * `skip`: `hls` or `dash` (or both) to skip download of the respective manifests
-    * `player_client`: Clients to extract video data from - one or more of `web`, `android`, `ios`, `web_music`, `android_music`, `ios_music`. By default, `android,web` is used. If the URL is from `music.youtube.com`, `android,web,android_music,web_music` is used
+    * `player_client`: Clients to extract video data from - one or more of `web`, `android`, `ios`, `web_music`, `android_music`, `ios_music` or `all`. By default, `android,web` is used. If the URL is from `music.youtube.com`, `android,web,android_music,web_music` is used
     * `player_skip`: `configs` - skip any requests for client configs and use defaults
     * `comment_sort`: `top` or `new` (default) - choose comment sorting mode (on YouTube's side).
     * `max_comments`: maximum amount of comments to download (default all).

yt_dlp/extractor/youtube.py

@@ -451,10 +451,6 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
 
     # clients starting with _ cannot be explicity requested by the user
     _YT_CLIENTS = {
-        'web': 'WEB',
-        'web_music': 'WEB_REMIX',
-        '_web_embedded': 'WEB_EMBEDDED_PLAYER',
-        '_web_agegate': 'TVHTML5',
         'android': 'ANDROID',
         'android_music': 'ANDROID_MUSIC',
         '_android_embedded': 'ANDROID_EMBEDDED_PLAYER',
@@ -462,7 +458,11 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
         'ios': 'IOS',
         'ios_music': 'IOS_MUSIC',
         '_ios_embedded': 'IOS_MESSAGES_EXTENSION',
-        '_ios_agegate': 'IOS'
+        '_ios_agegate': 'IOS',
+        'web': 'WEB',
+        'web_music': 'WEB_REMIX',
+        '_web_embedded': 'WEB_EMBEDDED_PLAYER',
+        '_web_agegate': 'TVHTML5',
     }
 
     def _get_default_ytcfg(self, client='WEB'):
@@ -2430,8 +2430,15 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             identity_token, player_url, initial_pr)
 
     def _get_requested_clients(self, url, smuggled_data):
-        requested_clients = [client for client in self._configuration_arg('player_client')
+        requested_clients = []
-                             if client[:0] != '_' and client in self._YT_CLIENTS]
+        allowed_clients = [client for client in self._YT_CLIENTS.keys() if client[:1] != '_']
+        for client in self._configuration_arg('player_client'):
+            if client in allowed_clients:
+                requested_clients.append(client)
+            elif client == 'all':
+                requested_clients.extend(allowed_clients)
+            else:
+                self.report_warning(f'Skipping unsupported client {client}')
         if not requested_clients:
             requested_clients = ['android', 'web']