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Re: OT: Streaming

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On 1/6/2025 6:38 PM, Paul wrote:
> On Mon, 1/6/2025 10:45 AM, Newyana2 wrote:
>> On 1/6/2025 8:36 AM, Paul wrote:
>>> On Sun, 1/5/2025 11:21 PM, Newyana2 wrote:
>>>>
>>>>     Confusing problem. Netflix works. Kanopy and Hoopla through
>>>> my library don't. Tried Win7 and Win10, Firefox and Chromium.
>>>> So, four different configurations.
>>>>
>>>>       The sites are fine, but the video doesn't start. DRM enabled.
>>>> No clue of what could be wrong except this in Chromium:
>>>>
>>>> "Unsupported keySystem or supportedConfigurations"
>>>>
>>>> But I can't find anything informative about that error.
>>>
>>> They mention a WideVine problem here, as a potential source.
>>> I would expect at least a Netflix, would use something as
>>> powerful as WideVine. One of the reasons nothing works on
>>> my Seamonkey browser, is no WideVine module or plugin. It means
>>> I can't view videos on my local TV station websites!
>>>
>>>      https://stackoverflow.com/questions/37582305/unsupported-keysystem-exception-occured-according-to-eme-specification
>>>
>>> Firefox and Chrome might have WideVine. I don't know
>>> if Chromium has WideVine. And WideVine is an example,
>>> because you would expect it to use crypto for its
>>> DRM management (handcuffs).
>>>
>>> if the server handcuffs API version got bumped up, it
>>> could be a crude way of saying to you "use the very latest
>>> browser version to view this site" :-) I think you have
>>> seen this behavior before. Like every morning when you get up.
>>>
>>> This is why I keep a couple configurations. My "comfort"
>>> configuration, with blockers and shit. And my
>>> "fully compliant Hollywood ready" configuration,
>>> approved by Mother Theresa herself. I test on the
>>> blessed version, when the Comfort setup breaks, just
>>> to see if anything can work. But it does not mean
>>> I use the fully-compliant version all day long. Just
>>> long enough for a plumbing test.
>>>
>>
>>     I'm fairly certain Netflix uses Widevine. I don't know of
>> any alternative. Both FF and Chromium have it included.
>> And I have the latest version of each on a fresh Win10
>> install. I removed my HOSTS file, disabled NoScript....
>> I can't think of anything else to try. And on top of that,
>> Hoopla and Kanopy were working fine until recently. I
>> visited the library to ask them. The librarian started the
>> movie I'd tried to watch, on her cellphone, with no trouble.
>>
>>   All attempts have been on a Dell XPS 625 piping to a TV
>> via HDMI, so that's one thing I haven't tested. But I can't
>> think of any factor there that could be a problem. The Dell
>> supports Win10. Netflix works fine on FF, on either 7 or
>> 10. 7 has v. 115. No problem. All of this is on the Dell.
>>
> 
> Kanopy is a pay-per-view. Which means the wrapper would have
> to be secure, and if your LCD monitor was 1920x1080 or larger,
> it would need HDCP (end-to-end encryption to prevent
> copying from places like the video card memory if using
> the video card CODEC for playback). There is nothing in the
> available info, suggesting a root cause. And your equipment is
> modern enough to have seamless HDCP.
> 
> https://en.wikipedia.org/wiki/Kanopy
> 
>     "...via a web browser supporting 'HTML video'  "   [Which is HTML5]
> 
> https://en.wikipedia.org/wiki/HTML_video
> 
> <video poster="poster.jpg" controls>
> 	<source src="av1.mp4" type='video/mp4; codecs="av01.0.00M.08, opus"'>
> 	<source src="avc.mp4" type='video/mp4; codecs="avc1.4D401E, mp4a.40.2"'>
> 	<source src="vp9.webm" type='video/webm; codecs="vp9.0, opus"'>
> 	<source src="theora.ogv" type='video/ogg; codecs="theora, vorbis"'>
> 	<p>This is fallback content for... </p>
> </video>
> 
> *******
> 
> More useless crap. The equivalent of turn it OFF, turn it ON again.
> 
> "Troubleshooting film playback issues"
> 
> https://help.kanopy.com/en-us/4146.htm
> 
>     "If you're using a VPN, try disabling it."  <=== Movies are only licensed for limited countries
> 
>     "latest version of Chrome, Safari, Firefox, or Edge"
> 
> 
>      Getting started
> 
>      Supported browsers and devices
>      Getting started with Kanopy for academic users
>      Getting started with Kanopy for public library users
>      Kanopy’s age requirement
>      Verifying your email address
>      Finding film ratings
>      Help videos for academic users
>      Help videos for public library users
> 
> *******
> 
> OK, it's Widevine. Is it worth rolling back the version of this ? Dunno.
> 
> https://forum.videohelp.com/threads/401113-Help-downloading-MPD-from-Kanopy
> 
>      widevinecdm.dll and widevinecdm.dll.sig
> 
> I am unable to find such a thing as a Kanopy test strip, just to verify
> the plumbing works. Any Kanopy entries I find, ask for library card and PIN.
> 
> "Troubleshooting DRM"
> 
> https://help.kanopy.com/en-us/4145.htm
> 
> One piece that can break is the MPD (MPEG DASH manifest (dynamic adaptive streaming over HTTP)).
> It's much more likely that the Widevine broke, or your screen
> resolution has changed since the last time it was working.
> 
       Thanks. I don't see any useful clues in all that.
I wrote to them, but like Hoopla, I ust get a cheerful
auto-response:

  "Check our help. Write back if you still have issues. If
not then please mark the itcket as closed." No one's minding
the store.

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OT: Streaming Newyana2 <newyana@invalid.nospam> - 2025-01-05 23:21 -0500
  Re: OT: Streaming Paul <nospam@needed.invalid> - 2025-01-06 08:36 -0500
    Re: OT: Streaming Newyana2 <newyana@invalid.nospam> - 2025-01-06 10:45 -0500
      Re: OT: Streaming Paul <nospam@needed.invalid> - 2025-01-06 18:38 -0500
        Re: OT: Streaming Newyana2 <newyana@invalid.nospam> - 2025-01-06 19:33 -0500
        Re: OT: Streaming Newyana2 <newyana@invalid.nospam> - 2025-01-08 12:14 -0500
          Re: OT: Streaming Paul <nospam@needed.invalid> - 2025-01-08 13:58 -0500
          Re: OT: Streaming Paul <nospam@needed.invalid> - 2025-01-08 14:02 -0500
            Re: OT: Streaming Newyana2 <newyana@invalid.nospam> - 2025-01-08 14:51 -0500
              Re: OT: Streaming Paul <nospam@needed.invalid> - 2025-01-08 18:16 -0500
              Re: OT: Streaming Chris <ithinkiam@gmail.com> - 2025-01-09 22:27 +0000
                Re: OT: Streaming Newyana2 <newyana@invalid.nospam> - 2025-01-09 22:12 -0500
                Re: OT: Streaming Chris <ithinkiam@gmail.com> - 2025-01-10 16:23 +0000
                Re: OT: Streaming Newyana2 <newyana@invalid.nospam> - 2025-01-10 11:57 -0500
                Re: OT: Streaming Chris <ithinkiam@gmail.com> - 2025-01-10 17:12 +0000
              Re: OT: Streaming Paul <nospam@needed.invalid> - 2025-01-09 19:37 -0500
                Re: OT: Streaming Newyana2 <newyana@invalid.nospam> - 2025-01-09 22:18 -0500
                Re: OT: Streaming Paul <nospam@needed.invalid> - 2025-01-09 23:12 -0500
                Re: OT: Streaming Newyana2 <newyana@invalid.nospam> - 2025-01-10 09:17 -0500

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