[radiocanada] Doesn't extract Zone Jeunesse videos

[RyanVoProductions]

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• You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
• Put an x into all the boxes [ ] relevant to your issue (like this: [x])
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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2018.02.26. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2018.02.26

Before submitting an issue make sure you have:

• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones
• Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

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

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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 http://ici.radio-canada.ca/jeunesse/scolaire/emissions/5299/belle-et-sebastien/episodes/389176/dragon-blanc/emission -v
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['http://ici.radio-canada.ca/jeunesse/scolaire/emissions/5299/belle-et-sebastien/episodes/389176/dragon-blanc/emission', '-v']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2018.02.26
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.16299
[debug] exe versions: ffmpeg 3.3.4, ffprobe 3.3.4, rtmpdump 2.4
[debug] Proxy map: {}
[generic] emission: Requesting header
WARNING: Falling back on generic information extractor.
[generic] emission: Downloading webpage
[generic] emission: Extracting information
ERROR: Unsupported URL: http://ici.radio-canada.ca/jeunesse/scolaire/emissions/5299/belle-et-sebastien/episodes/389176/dragon-blanc/emission
Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpfqykkd7x\build\youtube_dl\YoutubeDL.py", line 785, in extract_info
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpfqykkd7x\build\youtube_dl\extractor\common.py", line 440, in extract
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpfqykkd7x\build\youtube_dl\extractor\generic.py", line 3127, in _real_extract
youtube_dl.utils.UnsupportedError: Unsupported URL: http://ici.radio-canada.ca/jeunesse/scolaire/emissions/5299/belle-et-sebastien/episodes/389176/dragon-blanc/emission
...
<end of log>

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If the purpose of this issue is a site support request please provide all kinds of example URLs support for which should be included (replace following example URLs by yours):

• Single video: http://ici.radio-canada.ca/jeunesse/scolaire/emissions/5299/belle-et-sebastien/episodes/389176/dragon-blanc/emission

Note that youtube-dl does not support sites dedicated to copyright infringement. In order for site support request to be accepted all provided example URLs should not violate any copyrights.

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Description of your issue, suggested solution and other information

It does work on ici.tou.tv, but not emissions or Zone Jeunesse videos on ici.radio.canada.ca. Need to be supported.

[lactam]

I have tried to download from the ici.radio-canada.ca domain as well, and looking at the manifest files, it appears that there is some DRM in the files. I've tried downloading with other utilities in order to figure out more information. Here's what I found out. It is possible to download the individual chunks with ismdownloader, but the resulting video is garbled.

Looking at the manifest file for the video, it has Microsoft MPEG DASH mp4protection with an AVC1 code. Attempting to download the video with ismdownloaderAVC1 yields an error message indicating that H264 is not supported.