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There is currently no public method to decrypt this, and there may be other streams available that can be downloaded. Example URL, has `.wvm` and `.mp4` formats: https://www.voot.com/shows/bigg-boss-s11/11/538936/bigg-boss-extra-dose-arshi-s-quirky-demand/541700
the website now show this message > Global AfreecaTV will be merged and integrated on July 20th, 2017. Every user around the world are now able to interact with one another on www.afreecatv.com!
E.g. '--playlist-items 2-4,3-4,3' should result in '[2,3,4]', not '[2,3,4,3,4,3]'
Not using cache results in redundant network I/O due to downloading the same pages while using --playlist-items n-m
Fix for JSON meta data download(closes #13651)
Added fixes according to #13651 and user @remitamine