[clug] Downloading iView files to watch as MP4's

[Lindsay Steele]

Youtube-DL works fine for me.

In the past you had to look for the share link and copy --> paste that into
youtube-dl but I just tested it now and it seems to work on standard links.



On Thu, 11 Mar 2021 at 18:47, steve jenkin via linux <linux at lists.samba.org>
wrote:

> I like to watch videos in VLC - allows me to play faster / slow, change
> the window size and jump to different times.
>
> Not trying to break the ABC's copyright or distribute their files -
> strictly for personal use.
>
> VLC won’t stream this National Press Club Address on iView,
> nor will the version of ffmpeg I have play it.
>
> though it plays in both Google Chrome & Safari Browsers.
>         <https://iview.abc.net.au/video/NC2112C002S00>
>
> There’s a control file which indexes a single ‘.ts’ file of 250MB+.
>         <
> https://iview-vod.akamaized.net/prod/nc2/NC2112C002S00MA1D1/20210309164634/fairplay/650000.m3u8
> >
>
> It’s encrypted with Apple ‘Fairplay’ using “SAMPLE-AES” encoding [relevant
> line from m3u8 file]
>
>
> #EXT-X-KEY:METHOD=SAMPLE-AES,URI="skd://4ac5b427aaa54b61bd399bb22afb85a7”,
>
> KEYFORMAT="com.apple.streamingkeydelivery",KEYFORMATVERSIONS=“1"
>
> While I can use ‘wget’ to download both the m3u8 control file and the
> associated ‘.ts’ file,
> i’m not having luck guessing where the public keys are
> (URI="skd://4ac5b427aaa54b61bd399bb22afb85a7”)
>
> Found a tool, hlsdl, which understands "SAMPLE-AES”, but when pointed at
> the stream, refuses with
>          "HLS stream is DRM protected. Exiting”
>
> If I force it to download the stream, it constructs an invalid URL from
> the skd mentioned in the URI line.
> The authors responses on github “issues” are terse and unhelpful: it
> doesn’t do DRM
>
> Which I don’t think is what’s happening here - this is a publicly playable
> stream, which includes public keys.
> My understanding of DRM is that it relies on secret schemes implemented in
> hardware or software.
>
> Ran "chrome://net-export/“ within Google Chrome and got a large JSON
> file:  2.3MB file, 10,000_ lines.
>
> It included what looked like X.509 Certificates (‘BEGIN CERT … END CERT’),
> but I wasn’t able to quickly parse it to discover where to grab Key files.
>
> There’s good “Fairplay” Documentation on Developer . Apple, but Life is
> Too Short :(
>         <
> https://developer.apple.com/library/archive/technotes/tn2454/_index.html>
>
> ============
>
> Anyone had luck in catching the current iView streaming format?
>
>
> --
> Steve Jenkin, IT Systems and Design
> 0412 786 915 (+61 412 786 915)
> PO Box 38, Kippax ACT 2615, AUSTRALIA
>
> mailto:sjenkin at canb.auug.org.au http://members.tip.net.au/~sjenkin
>
>
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