WTF have I done?

Alan Disler

• December 07, 2015 19:03

Not an expert user by any means, and I have no idea what happened:

I opened a CO 8 session in 9, converted it, selected a thumbnail, selected Exposure icon, Levels pane, and just moved the right anchor slightly to the left and the photo went BLACK, thumbnail at the bottom as well. Undo did not work. After freaking out for several minutes which seemed like an hour I was able to make a Variant of the black frame,which restored the photo, but the black frame still exists. I am now leery of working in CO 9 until this is sorted out.

I am sure I did something stupid but I cannot figure out what. Any ideas?

2008 MacPro, El Capitan, working on a NEF file.

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  BruMci

  • December 07, 2015 22:58

  It sounds like a problem with OpenCL.
  Check the settings;
  Capture One 9>General>Hardware Acceleration>Auto/Never

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  SFA

  • December 07, 2015 23:38

  Just wondering here based on your description.
  
  The new variant you created would have been made with the V9 engine. However you did not mention whether the original edit attempt was on a V8 edited variant using the V8 engine or of you had update it to V9 first.
  
  I have just run a very quick test using a V8 variant file in V9 and had no problem. However my notebook does not have a GPU offering enough OpenCL processing power for C1 to use it. OpenCL, the specific configuration of your machine, the particular file type, other edits applied in V8, etc., could all be factors for why the thumbnail and preview have not re-rendered as expected. As you can see from the new variant you have created (New or Cloned) there is no great problem to be concerned with - nothing lost.
  
  Unless you specifically want to keep the V8 version alongside the V9 engined version you could try going back to the "black" version and modify it to recalculate using the V9 engine (assuming it is using V8) and see what happens.
  
  Have you also tried to "Regenerate Previews" with OpenCL ON and then Off.
  
  HTH.
  
  Grant

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  Alan Disler

  • December 08, 2015 00:50

  [quote="BruMci" wrote:
  It sounds like a problem with OpenCL.
  Check the settings;
  Capture One 9>General>Hardware Acceleration>Auto/Never

  
  
  Changed from auto/auto to auto/never Will see what happens. Thanks

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  Alan Disler

  • December 08, 2015 00:55

  Grant,
  
  Regenerate Preview doesnt work either way. The original Variant was processed in CO 8 but I converted the session to CO 9 before attempting an edit, which triggered the black frame. But as you say, I do have the New Variant. Going to try editing a thmbnail I dont care about and see what happens. Thanks.

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  Andriy.Okhrimets

  • December 10, 2015 19:54

  Is it resolved?
  Saw black frame ones, but quitting and opening back C1 solved my problem

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  Michael Sonshine

  • December 10, 2015 23:33

  This business with images turning black when adjusting or totally black images when processing has been happening to me almost from the moment I downloaded and started CO-9. In my case it turned out to be the OpenCL settings for both Display and Processing. Setting them to Never solved my problem.
  
  I posted a warning to other Mini users but assumed that the problem was related to the lack of a separate graphics card on the Mini and that this would not happen to machines that had actual graphics cards. Perhaps that assumption was incorrect.
  
  I filed this as a bug report with PhaseOne but all they did was close the bug report with no real response.

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