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Jim Curtis
Jim Curtis
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Use Previews not working in CS6 Mac

Aug 2, 2012 8:58 AM

It was working in 5.5, but appears to be broken for CS6. 

 

I just rendered a spot using MB Looks on an adjustment layer.  Took 6 minutes.  I then immediately exported the sequence, and it took 6 minutes.  My past experience is that the export should have taken about 18 seconds.

 

Anybody else seeing this?  If so, I'll file a bug report.

 

 

MacPro3,1 - 10.7.4 - 32G RAM, Quadro 4000 w/stock OS driver; CUDA 4.2.10 - Pr CS 601

398 Views   5 Replies   Latest reply: Jim Curtis, Aug 3, 2012 12:59 PM
 
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  • ECBowen
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    1. ECBowen,
    Aug 2, 2012 9:19 AM   in reply to Jim Curtis
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    What is the CPU/Threading usage when your exporting?

     

    Eric

    ADK

     
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  • Jim Simon
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    2. Jim Simon,
    Aug 2, 2012 1:24 PM   in reply to Jim Curtis
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    It may not work depending on your preview and export settings.

     

    For example, from a QuickTime format (previews) to another QuickTime format (export) has often not worked.  As in ProRes previews to ProRes export.

     

    One possible fix is to use a non-QuickTime preview, like MPEG.

     
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  • Jim Curtis
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    3. Jim Curtis,
    Aug 2, 2012 2:09 PM   in reply to Jim Simon
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    Be that as it may, Jim, this isn't advertised behavior.  The Help documents specifically claim that using Previews will speed up exports when the output format matches the Sequence settings.

     

    To wit:

    Work with preview files

    When you render previews, Premiere Pro creates files on your hard disk. These preview files contain the results of any effects that Premiere Pro processed during a preview. If you preview the same work area more than once without making any changes, Premiere Pro instantly plays back the preview files instead of processing the sequence again. Premiere Pro stores the preview files in a folder you can specify. Similarly, preview files can save time when you export the final video program by using the processed effects already stored.

     

    web page:

     

    http://help.adobe.com/en_US/premierepro/cs/using/WS1c9bc5c2e465a58a91c f0b1038518aef7-7cd7a.html

     

     

    I don't want an inferior workaround, I want the software to work as advertised.

     
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  • Jim Simon
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    4. Jim Simon,
    Aug 2, 2012 2:16 PM   in reply to Jim Curtis
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    I'm not saying it's 'right'.  Just trying to offer a possible explanation and a method to make it work until Adobe corrects the issue. (If they can.  I suspect this may be Apple's fault for keeping QuickTime a 32 bit process.)

     
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  • Jim Curtis
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    5. Jim Curtis,
    Aug 3, 2012 12:59 PM   in reply to Jim Simon
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    Today, I'm getting faster exports with Use Previews switched OFF.  Two times faster.

     

    I have a theory I'm going to propose: Pr creates corrupted  preview files.  They're rotten, I tells ya'.  Rotten.

     
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