On Fri, 30 Oct 2020 19:22:34 -0700
Marc Shapiro via Dng <dng@???> wrote:

> Sorry, spiralofhope.  I didn't6 mean to send this to you, but to the
> list.
>
> On 10/26/20 11:47 AM, spiralofhope wrote:
> > TL;DR: YouTube-dl DMCA
> >
> >
> > ----
> >
> >
> > The RIAA successfully applied a DMCA takedown to GitHub (Microsoft)
> > for an archivism program which downloads YouTube video/audio
> > (although it does target other services).
> >
> > https://github.com/ytdl-org/youtube-dl/
> > https://github.com/github/dmca/blob/master/2020/10/2020-10-23-RIAA.md
> >
> > I expect that YouTube will obfuscate the way it delivers content so
> > as to make the existing youtube-dl release (and other similar
> > software) nonfunctional (perhaps only for a time).
>
> I think they have already obfuscated things.
>
> I used to use the Video Download Helper plugin for Firefox, but that
> stopped working for me.  Then I installed youtube-dl and tried to use
> it about a week ago, but received the following:
>
> [youtube] sgN7fUGPgMM: Downloading webpage
> [youtube] sgN7fUGPgMM: Downloading video info webpage
> ERROR: sgN7fUGPgMM: YouTube said: Invalid parameters.
>
> I tried downloading it from the yt-dl.org page, but that version gave
> me the save results.  I use it to watch karate kata when I don't have
> internet connectivity, but it looks like that is no longer possible.
>
This just popped up on Torrentfreak about the matter.
https://torrentfreak.com/
https://torrentfreak.com/deciphering-youtubes-rolling-cypher-in-your-browser-is-a-piece-of-cake-201030/

Enjoy