Lightroom: Prepare Preview in Advance option not available in Slideshow module

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  • Updated 7 months ago
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When I try to run an impromptu slideshow from the Library or Develop modules, a message displays on the screen saying that Lightroom is preparing previews (even though the "Prepare Preview in Advance" option is not available in the Slideshow module). After the 1st image displays, I am unable to advance to any more images (when I use the right arrow key). I am only able to run a slideshow from the Slideshow module.

The "Prepare Preview in Advance" option was available in Lightroom 4 and it shows up in Martin Evening's "The Adobe Photoshop Lightroom 5 Book". I had this option selected in Lightroom 4.
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howard sumner

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Posted 5 years ago

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Rob Cole

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I think the story is this:

There was some problem with NOT preparing previews in advance, and rather than find and fix, the feature was just yanked out instead, so it always prepares previews in advance now.

In my case, @Lr5(beta), pictures look bad in the slideshow anyway (degraded color and tone), so slideshows in Lr - I just don't do.
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Mike Bennett

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Its not just the prepare preview in advance thats gone (it may well be doing it anyway now), its the option to 'skip' when you call up a slide show or preview show. Up to LR4 you could start looking at the first few slides or so while the program loaded the rest in the background. Now you have to wait for all to load before you can see anything. With 50 or more slides it's a pain.
The skip button is sorely missed. It was a useful feature.
I too was fooled by the Evening book but can see that this is a mistake: it must be a carry over from the LR4 version.
Colours in slideshow OK.
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Nathan Codd

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The prepare preview in advance seems to have been incorporated in the preview button. if you click preview instead of play you'll have new photos import into the slideshow automatically.
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Jens Scherer

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Same problem! Even with only 100 images very frustrating. Process of building the previews could be done in the background while the first pictures are shown.
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Robert Reed

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This reply was created from a merged topic originally titled Lightroom 5: Slideshow Previews slow to render in Lightroom 5.

I recently upgraded my software from Lightroom 4 for mac to Lightroom 5 for mac. In Lightroom 5 slideshows, previews must be created in advance before the first slide appears on the screen.

One of my catalogs contains almost 80000 photographs. It would take many hours for the previews to be prepared in advance before the fist slide appears in Lightroom 5.

I presently can not use Lightroom 5 because of this flaw. Unless this flaw is resolved in the next version of Lightroom, I will have to discontinue using Lightroom and find another software vendor.

This was not a problem in Lightroom 4.
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Rikk Flohr, Official Rep

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Is it necessary to have an 80,000 image slideshow?

Most people run slide shows from smaller subsets of images using the Selected or Flagged Photo options in the Toolbar.
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Jens Scherer

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No, it's definitely not necessary to have 80,000 images but I just ran a test with only 100 images which is a more realistic example of an everyday usage. I am using LR 5.6 on an up to date 3.5 GHz 6-Core MacPro with 64GB RAM and it took nearly 2 minutes until the slideshow started. And this is really annoying, since this problem didn't occur prior to release of LR 5.
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Mike Bennett

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Thats about what I see, too. I typically want to look at between 50 and 100 images. I find Slideshow not useable now for looking at a new batch of images after processing.
I am surprised that so few folk are complaining about this. They must all be very patient.... It was such a neat feature before.
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Sid Withey

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I still have LR 3 and with all my photos in My Pictures, (14,000) the slideshow runs instantly.  In CC it won't run at all, even after taking an age to build previews.
Incomprehensible!
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Rob Cole

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I think Adobe is concentrating on other things (like Lr mobile) rather than robustifying features of Lr desktop and SDK. New things that require much effort are just not getting done, and old things that aren't behaving properly are just getting yanked out (or continue to limp..). Welcome to the new world of mobile device crazyness (my opinion).

Android and Windows 10 users may be happier when Lr6 (and accompaniment) is released, but I have a feeling those of us who just want the desktop keyboard version to work better are gonna be outta luck, again.

Hope I'm wrong..

R
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Rob Cole

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+1 vote for Adobe to bite the bullet and re-add concurrent preview generation feature to slideshows (and fix the other deal-breaking problems..). No good reason it shouldn't work well with 800, or 8000 photos, even if not 80,000+.

That said, the slideshow module is displaying ordinary library previews, therefore it might help to build those previews before starting the slideshow. I realize you shouldn't have to, but try it and see if it's any better. Not sure if it requires 1:1 or if standard will be enough - try it and see.

Hint: Library menu -> Previews..