youtube-dl: cda.pl Broken Extractor

Checklist

• I’m reporting a broken site support
• I’ve verified that I’m running youtube-dl version 2020.03.24
• 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

Verbose log

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'https://www.cda.pl/video/14954728b', u'--verbose']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2020.03.24
[debug] Python version 2.7.5 (CPython) - Linux-3.10.0-1062.12.1.el7.x86_64-x86_64-with-centos-7.7.1908-Core
[debug] exe versions: none
[debug] Proxy map: {}
[CDA] 14954728b: Downloading webpage
[CDA] 14954728b: Downloading 360p version information
[CDA] 14954728b: Downloading 720p version information
[debug] Default format spec: best/bestvideo+bestaudio
[debug] Invoking downloader on u'G86C_bg%5D452%5DA%3D%5EE8%3A%23Hp08hAy8gtczBCurF8%5E%60dgd_hffec%5ED557a6_afae4%605g572gggbc56gdd2e3%6024'
Traceback (most recent call last):
  File "/usr/lib64/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib64/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/bin/youtube-dl/__main__.py", line 19, in <module>
  File "/usr/local/bin/youtube-dl/youtube_dl/__init__.py", line 474, in main
  File "/usr/local/bin/youtube-dl/youtube_dl/__init__.py", line 464, in _real_main
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 2019, in download
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 808, in extract_info
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 863, in process_ie_result
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1644, in process_video_result
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1926, in process_info
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1865, in dl
  File "/usr/local/bin/youtube-dl/youtube_dl/downloader/common.py", line 366, in download
  File "/usr/local/bin/youtube-dl/youtube_dl/downloader/http.py", line 341, in real_download
  File "/usr/local/bin/youtube-dl/youtube_dl/downloader/http.py", line 109, in establish_connection
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 2238, in urlopen
  File "/usr/lib64/python2.7/urllib2.py", line 423, in open
    protocol = req.get_type()
  File "/usr/lib64/python2.7/urllib2.py", line 285, in get_type
    raise ValueError, "unknown url type: %s" % self.__original
ValueError: unknown url type: G86C_bg%5D452%5DA%3D%5EE8%3A%23Hp08hAy8gtczBCurF8%5E%60dgd_hffec%5ED557a6_afae4%605g572gggbc56gdd2e3%6024

Description

My guess is that they have encrypted displayed urls to base64 but i can be wrong.