Cannot find video source in MPD file

[RafVandelaer]

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
• Other

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The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your issue

Youtube-dl doesn't find the files in the mpd file (https://vod-drm.medialaancdn.be/2018/04/06/257612620669000/1523021764/dash/drm/castlabs/Manifest.mpd)

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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 the -v flag to your command line you run youtube-dl with (youtube-dl -v <your command line>), 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 https://vod-drm.medialaancdn.be/2018/04/06/257612620669000/1523021764/dash/drm/castlabs/Manifest.mpd --verbose
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['https://vod-drm.medialaancdn.be/2018/04/06/257612620669000/1523021764/dash/drm/castlabs/Manifest.mpd', '--verbose']
[debug] Encodings: locale cp1252, fs mbcs, out cp850, pref cp1252
[debug] youtube-dl version 2018.01.07
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.16299
[debug] exe versions: ffmpeg 3.4.1, ffprobe 3.4.1
[debug] Proxy map: {}
[generic] Manifest: Requesting header
WARNING: Falling back on generic information extractor.
[generic] Manifest: Downloading webpage
[generic] Manifest: Extracting information
ERROR: No video formats found; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4k56gdgt\build\youtube_dl\YoutubeDL.py", line 784, in extract_info
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4k56gdgt\build\youtube_dl\extractor\common.py", line 438, in extract
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4k56gdgt\build\youtube_dl\extractor\generic.py", line 2194, in _real_extract
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4k56gdgt\build\youtube_dl\extractor\common.py", line 1069, in _sort_formats
youtube_dl.utils.ExtractorError: No video formats found; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

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