Frequent warning or error message : unable to extract html5 player and Unable to extract JS player URL

[krantisit1321]

My usecase is to download a stream which is playable on a device and browser combo where User agent string represents . Is it the right way to do that ?

Let me know if I am missing any thing here.Here is log for my command

kranti(~) $ sudo /usr/local/bin/youtube-dl --user-agent 'Mozilla/5.0 (Linux; U; Android 2.2; en-us; Nexus One Build/FRF91) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1' --verbose http://www.youtube.com/watch?v=bCloJm9gptM
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--user-agent', 'Mozilla/5.0 (Linux; U; Android 2.2; en-us; Nexus One Build/FRF91) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1', '--verbose', 'http://www.youtube.com/watch?v=bCloJm9gptM']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.05.05
[debug] Python version 2.7.5 - Darwin-13.1.0-x86_64-i386-64bit
[debug] Proxy map: {}
[youtube] Setting language
[youtube] bCloJm9gptM: Downloading webpage
[youtube] bCloJm9gptM: Downloading video info webpage
[youtube] bCloJm9gptM: Extracting video information
WARNING: unable to extract uploader nickname
WARNING: unable to extract html5 player; please report this issue on http://yt-dl.org/bug
[youtube] encrypted signature length 88 (45.42), itag 22, html5 player None
ERROR: Unable to extract JS player URL; 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.
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/youtube.py", line 1196, in _real_extract
raise ValueError('Could not find vevo ID')
ValueError: Could not find vevo ID
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/youtube_dl/YoutubeDL.py", line 516, in extract_info
ie_result = ie.extract(url)
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/common.py", line 161, in extract
return self._real_extract(url)
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/youtube.py", line 1274, in _real_extract
video_webpage, u'JS player URL')
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/common.py", line 376, in _search_regex
raise RegexNotFoundError(u'Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract JS player URL; 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.

Thanks for the help

[krantisit1321]

I am using youtube-dl on Mac Os X (maverics) .
kranti() $ sudo /usr/local/bin/youtube-dl --version
Password:
2014.05.05
kranti() $ uname -a
Darwin strikesmall-lm 13.1.0 Darwin Kernel Version 13.1.0: Thu Jan 16 19:40:37 PST 2014; root:xnu-2422.90.20~2/RELEASE_X86_64 x86_64

[jaimeMF]

You are probably getting the mobile version of the site, we haven't tested with it (we only use the standard User-Agent).

[phihag]

First of all, don't run youtube-dl as root, i.e. do not use sudo, unless you are updating it. Secondly, you can fix your problem by simply removing the --user-agent option, which should not be needed for anything but debugging in the first place.

[krantisit1321]

Is it possible to get stream name using youtube-dl , which is getting used when we play youtube video on a android device/Chrome browser?
I thought --user-agent is to specify user agent , So that youtube-dl simulates corresponding env , and gives the streams corresponding to that environment

[jaimeMF]

--user-agent changes the user agent, but we only test with one, supporting others will complicate the code. The urls are the same in Chrome and Firefox, so that' not a problem, I have no idea about the formats used in Android.

[rhnvrm]

@krantisit1321 you won't get an error if you simply use youtube-dl http://www.youtube.com/watch?v=bCloJm9gptM without the user-agent. Also, regarding the use case you mentioned, you can choose the format using the -f <format> and to list all the available formats you can use youtube-dl -F http://www.youtube.com/watch?v=bCloJm9gptM
Hopefully that solves your issue.

I recommend closing this issue.

[yan12125]

Served formats with an Android User-Agent are the same as those with a desktop browser User-Agent. There's no need to support both, so closing.