[BRMediathek] redirect fails

Checklist

• I’m reporting a broken site
• I’ve verified that I’m running yt-dlp version 2022.01.21. (update instructions)
• I’ve checked that all provided URLs are alive and playable in a browser
• I’ve checked that all URLs and arguments with special characters are properly quoted or escaped
• I’ve searched the bugtracker for similar issues including closed ones. DO NOT post duplicates
• I’ve read the guidelines for opening an issue
• I’ve read about sharing account credentials and I’m willing to share it if required (no account required)

Region

Germany

Description

both https://www.br.de/mediathek/video/av:61b0db581aed360007558c12 https://www.br.de/mediathek//video/av:61b0db581aed360007558c12

redirect to

https://www.br.de/mediathek/video/meryns-sprechzimmer-gesundheitstalk-corona-positiv-trotz-impfung-av:61b0db581aed360007558c12

yt-dlp recognizes the latter URL, but not the former (see log below).

Verbose log

[debug] Command-line config: ['https://www.br.de/mediathek//video/av:61b0db581aed360007558c12', '-v', '--ignore-config', '-F']
[debug] Encodings: locale cp1252, fs utf-8, out utf-8, err utf-8, pref cp1252
[debug] yt-dlp version 2022.01.21 [f20d607] (win_exe)
[debug] Python version 3.8.10 (CPython 64bit) - Windows-10-10.0.19043-SP0
[debug] exe versions: ffmpeg N-105208-gb24f0c82b3-20220108 (setts), ffprobe N-105208-gb24f0c82b3-20220108
[debug] Optional libraries: Cryptodome, mutagen, sqlite, websockets
[debug] Proxy map: {}
[debug] [generic] Extracting URL: https://www.br.de/mediathek//video/av:61b0db581aed360007558c12
[generic] av:61b0db581aed360007558c12: Requesting header
WARNING: [generic] Falling back on generic information extractor.
[generic] av:61b0db581aed360007558c12: Downloading webpage
[generic] av:61b0db581aed360007558c12: Extracting information
[debug] Looking for video embeds
ERROR: Unsupported URL: https://www.br.de/mediathek//video/av:61b0db581aed360007558c12
Traceback (most recent call last):
  File "yt_dlp\YoutubeDL.py", line 1367, in wrapper
  File "yt_dlp\YoutubeDL.py", line 1437, in __extract_info
  File "yt_dlp\extractor\common.py", line 612, in extract
  File "yt_dlp\extractor\generic.py", line 3966, in _real_extract
yt_dlp.utils.UnsupportedError: Unsupported URL: https://www.br.de/mediathek//video/av:61b0db581aed360007558c12

[pukkandan]

This will probably fix this, but I cant test due to geo-blocking

diff --git a/yt_dlp/extractor/br.py b/yt_dlp/extractor/br.py
index 7169eceb6..bd618119c 100644
--- a/yt_dlp/extractor/br.py
+++ b/yt_dlp/extractor/br.py
@@ -175,7 +175,7 @@ class BRIE(InfoExtractor):

 class BRMediathekIE(InfoExtractor):
     IE_DESC = 'Bayerischer Rundfunk Mediathek'
-    _VALID_URL = r'https?://(?:www\.)?br\.de/mediathek/video/[^/?&#]*?-(?P<id>av:[0-9a-f]{24})'
+    _VALID_URL = r'https?://(?:www\.)?br\.de/mediathek/video/(?:[^/?&#]+?-)?(?P<id>av:[0-9a-f]{24})'

     _TESTS = [{
         'url': 'https://www.br.de/mediathek/video/gesundheit-die-sendung-vom-28112017-av:5a1e6a6e8fce6d001871cc8e',
diff --git a/yt_dlp/extractor/youtube.py b/yt_dlp/extractor/youtube.py
index 98f02331c..c29afe98e 100644

[calestyo]

Ah I see.

Anyway… I’ve been able to confirm that it works.