this video contains content from who has blocked it from display on this website - WATCH on YOUTUBE

[arlindpajaziti]

this video https://www.youtube.com/watch?v=_5K4yxcuRO4 cant be downloaded with youtube-dl
also when you embed this video to any site you see this message
this video contains content from who has blocked it from display on this website - WATCH on YOUTUBE

---

[root@server ~]# youtube-dl https://www.youtube.com/watch?v=_5K4yxcuRO4
[youtube] Setting language
[youtube] Confirming age
[youtube] _5K4yxcuRO4: Downloading webpage
[youtube] _5K4yxcuRO4: Downloading video info webpage
[youtube] _5K4yxcuRO4: Extracting video information
[youtube] _5K4yxcuRO4: Encrypted signatures detected.
[youtube] _5K4yxcuRO4: Downloading js player vflBuyJ2c
ERROR: Signature extraction failed: Traceback (most recent call last):
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 533, in _decr ypt_signature
video_id, player_url, s
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 447, in _extr act_signature_function
res = self._parse_sig_js(code)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 508, in _pars e_sig_js
'Initial JS player signature function name')
File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 424, in _searc h_regex
raise RegexNotFoundError('Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.
(caused by RegexNotFoundError(u'Unable to extract \x1b[0;34mInitial JS player s ignature function name\x1b[0m; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete o utput. Make sure you are using the latest version; type youtube-dl -U to updat e.',)); please report this issue on https://yt-dl.org/bug . Be sure to call yout ube-dl with the --verbose flag and include its complete output. Make sure you ar e using the latest version; type youtube-dl -U to update.
[root@server ~]#

[phihag]

As mentioned in the output,

Be sure to call youtube-dl with the --verbose flag and include its complete output.
Make sure you are using the latest version.

Since YouTube changed their player quite recently, I suspect your version of youtube-dl is simply out of date. I'm therefore closing this issue. If you are running the latest version of youtube-dl, please post the complete output you get when you add --verbose or -v to the command line. We'll reopen this issue then. Thanks!

By the way, it is a bad idea to run applications as root. While we take great care to make sure youtube-dl does not suffer from any security vulnerabilities, youtube-dl should generally be run as non-root, unless you are updating.

[ryanakca]

I can comment on this with the verbose output using the most recent version available:

ryan@nu:~/Videos2/Youtube/Movies$ youtube-dl --verbose --list-subs https://www.youtube.com/watch?v=sfjFnOpnh_c
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'--verbose', u'--list-subs', u'https://www.youtube.com/watch?v=sfjFnOpnh_c']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2015.05.20
[debug] Python version 2.7.10rc1 - Linux-4.0.0-1-amd64-x86_64-with-debian-stretch-sid
[debug] exe versions: ffmpeg 2.6.3-1, ffprobe 2.6.3-1, rtmpdump 2.4
[debug] Proxy map: {}
[youtube] sfjFnOpnh_c: Downloading webpage
[youtube] sfjFnOpnh_c: Downloading embed webpage
[youtube] sfjFnOpnh_c: Refetching age-gated info webpage
ERROR: sfjFnOpnh_c: YouTube said: This video contains content from Mosfilm, who has blocked it from display on this website.<br/><u><a href='http://www.youtube.com/watch?v=sfjFnOpnh_c&feature=player_embedded' target='_blank'>Watch on YouTube</a></u>
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl-2015.5.20-py2.7.egg/youtube_dl/YoutubeDL.py", line 649, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl-2015.5.20-py2.7.egg/youtube_dl/extractor/common.py", line 273, in extract
    return self._real_extract(url)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl-2015.5.20-py2.7.egg/youtube_dl/extractor/youtube.py", line 906, in _real_extract
    expected=True, video_id=video_id)
ExtractorError: sfjFnOpnh_c: YouTube said: This video contains content from Mosfilm, who has blocked it from display on this website.<br/><u><a href='http://www.youtube.com/watch?v=sfjFnOpnh_c&feature=player_embedded' target='_blank'>Watch on YouTube</a></u>

ryan@nu:~/Videos2/Youtube/Movies$ youtube-dl --verbose -t https://www.youtube.com/watch?v=sfjFnOpnh_c
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'--verbose', u'-t', u'https://www.youtube.com/watch?v=sfjFnOpnh_c']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2015.05.20
[debug] Python version 2.7.10rc1 - Linux-4.0.0-1-amd64-x86_64-with-debian-stretch-sid
[debug] exe versions: ffmpeg 2.6.3-1, ffprobe 2.6.3-1, rtmpdump 2.4
[debug] Proxy map: {}
[youtube] sfjFnOpnh_c: Downloading webpage
[youtube] sfjFnOpnh_c: Downloading embed webpage
[youtube] sfjFnOpnh_c: Refetching age-gated info webpage
ERROR: sfjFnOpnh_c: YouTube said: This video contains content from Mosfilm, who has blocked it from display on this website.<br/><u><a href='http://www.youtube.com/watch?v=sfjFnOpnh_c&feature=player_embedded' target='_blank'>Watch on YouTube</a></u>
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl-2015.5.20-py2.7.egg/youtube_dl/YoutubeDL.py", line 649, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl-2015.5.20-py2.7.egg/youtube_dl/extractor/common.py", line 273, in extract
    return self._real_extract(url)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl-2015.5.20-py2.7.egg/youtube_dl/extractor/youtube.py", line 906, in _real_extract
    expected=True, video_id=video_id)
ExtractorError: sfjFnOpnh_c: YouTube said: This video contains content from Mosfilm, who has blocked it from display on this website.<br/><u><a href='http://www.youtube.com/watch?v=sfjFnOpnh_c&feature=player_embedded' target='_blank'>Watch on YouTube</a></u>