Problems with downloading from tudou.com

[dkl3]

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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2017.02.24.1. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

• [x ] I've verified and I assure that I'm running youtube-dl 2017.02.24.1

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• [x ] At least skimmed through README and most notably FAQ and BUGS sections
• [x ] Searched the bugtracker for similar issues including closed ones

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• [x ] Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
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If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add -v flag to your command line you run youtube-dl with, copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

```youtube-dl -v http://www.tudou.com/programs/view/cykMj647aok/
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-v', u'http://www.tudou.com/programs/view/cykMj647aok/']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2017.02.24.1
[debug] Python version 2.7.12 - Linux-4.4.0-62-generic-x86_64-with-Ubuntu-16.04-xenial
[debug] exe versions: avconv 2.8.11-0ubuntu0.16.04.1, avprobe 2.8.11-0ubuntu0.16.04.1, ffmpeg 2.8.11-0ubuntu0.16.04.1, ffprobe 2.8.11-0ubuntu0.16.04.1, rtmpdump 2.4
[debug] Proxy map: {}
[tudou] cykMj647aok: Downloading JSON metadata
ERROR: cykMj647aok: Failed to parse JSON  (caused by ValueError('No JSON object could be decoded',)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 660, in _parse_json
    return json.loads(json_string)
  File "/usr/lib/python2.7/json/__init__.py", line 339, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python2.7/json/decoder.py", line 364, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python2.7/json/decoder.py", line 382, in raw_decode
    raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 761, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 427, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/tudou.py", line 77, in _real_extract
    'http://www.tudou.com/tvp/getItemInfo.action?ic=%s' % video_id, video_id)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 654, in _download_json
    json_string, video_id, transform_source=transform_source, fatal=fatal)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 664, in _parse_json
    raise ExtractorError(errmsg, cause=ve)
ExtractorError: cykMj647aok: Failed to parse JSON  (caused by ValueError('No JSON object could be decoded',)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.```

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Basically I've tried to download a video off of the Chinese video host tudou.com but the program says that it cannot parse the JSON. The complete output is provided above.

[dstftw]

Duplicate of #12214.