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This topic comprises 6 pages: 1 2 3 4 5 6
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Topic: What causes the screen to go pink?
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Frank Angel
Film God
Posts: 5305
From: Brooklyn NY USA
Registered: Dec 1999
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posted 07-10-2012 01:11 AM
quote: Steve Guttag
I can't believe in this day and age that SMPTE/DCI and whomever else when all of this was "conceived" that the metadata couldn't ensure such things wouldn't happen.
Exactly, but even further, where's the built-in, and AUTOMATIC diagnostics you'd expect in software/hardware this sophistocated and this expensive? Like Joe points out, doesn't seem like these manufactures and the DCI wizards spend nearly as much time designing the actual PRESENTATION safeguards as they did the security software. I'll bet the oh-so-precious KEYS don't suddenly unlock for no reason and let the picture play any time of one's choosing!
Good software should be able to diagnose what is wrong, give the operator a warning message AND tell him/her how to fix it. Computer, diagnose thyself!" Ever see what happens when you try to do something that you aren't supposed to do...in almost any application, but for example and specifically I am thinking Photoshop? A window pops up and tells you exactly why you can't do that and what you need to do so that you CAN do what you want, if it's possible. "You cannot do that unless the layer is rasterized. Do you want to rasterize it?"
At this level of software/UI sophistocation in 2012, for such a serious and show-stopping mistake as this pink screen bull sheet to play as if nothing is wrong, I say the software itself should recognize the error and if not able to correct it automatically and one would hope nearly instantly, at the very least diagnose it and tell the operator what to do to fix it, or better, simply disallow the error to be made by the human in the first place. But to play it as if it's correct says it's a serious flaw that needs a swift fix. And at the VERY VERY least, whatever error in formatting might possibly arise, no matter how remote, the system should be able to have that error already computed and disallow it from the get-go, or be able to have someone fix it on the fly...what's this DOS-era TOTAL dog pooh of having to reboot in the middle of a show to fix a formating error?
That said, from all these similar incidents reported by people who know their way around this equipment, the idea that a change from one format to another can happen in the middle of a show-in-progress with no human intervention clearly points to something other than human error, but certainly questions a shortcoming in the stability of the system. Seriously.
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Frank Angel
Film God
Posts: 5305
From: Brooklyn NY USA
Registered: Dec 1999
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posted 07-10-2012 09:21 AM
I am sure my not having the advantage of working with this equipment is probably the reason I am a bit confounded, but yes, certainly once the projector is displaying content, there is no way any software can decide if the color on the screen or the aspect ratio is correct. But it seems software should be able to EASILY detect that the combination you describe (and as I said, any myriad of similar possibly erroneous operator/metadata instruction combinations).
And still, all that doesn't account for the reports here that this stuff switches in mid-stream. Even if there were metadata instructions somewhere in the middle of the movie -- the director WANTS, say, a change to 2D -- seems easy enough for the server to check all those instructions at the time the playlist is being constructed and ask the operator for confirmation -- "Do you REALLY want to switch formats (color space, whatever)? Please confirm yes or no." Simple stuff software should be able to do without a second thought, IMHO.
Then again, none of this seems relevant if the thing goes pink when no operator is involved and halfway thru a running feature.
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