Update support for mediaset.it videos

[fturco]

Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2018.06.18. 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 Issues with outdated version will be rejected.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 2018.06.18

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

Description

I'm trying to download this video from mediaset.it, but youtube-dl only downloads a small, useless 10-seconds video instead of the full 2-hours video:

$ ./youtube-dl -v http://www.video.mediaset.it/video/avanti_un_altro/full_2017_2018/avanti-un-altro-pure-di-sera-6-giugno_850435.html
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'http://www.video.mediaset.it/video/avanti_un_altro/full_2017_2018/avanti-un-altro-pure-di-sera-6-giugno_850435.html']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2018.06.18
[debug] Python version 3.6.5 (CPython) - Linux-4.17.2-gentoo-x86_64-Intel-R-_Core-TM-2_Duo_CPU_E8400_@_3.00GHz-with-gentoo-2.6
[debug] exe versions: ffmpeg 3.4.2, ffprobe 3.4.2
[debug] Proxy map: {}
[Mediaset] 850435: Downloading video CDN JSON
[Mediaset] 850435: Downloading video info JSON
[debug] Default format spec: bestvideo+bestaudio/best
[debug] Invoking downloader on 'http://vod06.msf.ticdn.it/error/Not_Available.mp4'
[download] Destination: Avanti un altro! Pure di sera - 6 giugno-850435.mp4
[download] 100% of 549.78KiB in 00:00

[Vrihub]

FYI, this happens with all mediaset videos, and the "fake" video contains a message about geo-restriction.

[timendum]

This is now solved, with #16568

Mediaset changed the site again, but youtube-dl download the old urls.