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Marcello Alongi
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FADE IN / OUT no good! (dissolve)

Jul 8, 2011 4:44 AM

when I put

a clip

at the beginning of a dissolve or fade on the final percentage is not uniform, instead of from 0 to 100 starting from 40 to 100! with a jump on the fade. why it happens? please help me!
382 Views   12 Replies   Latest reply: Marcello Alongi, Jul 8, 2011 7:01 AM
 
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  • Colin Brougham
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    1. Colin Brougham,
    Jul 8, 2011 4:59 AM   in reply to Marcello Alongi
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    Which transition specifically are you using? Are you using the transition single-sided or double-sided? Are you dissolving/fading a video clip or a graphic? Are you using GPU-accelerated rendering, e.g. hardware MPE? If so, have you tried in software mode? Can you show some screen shots of your sequence and perhaps of your Program Monitor?

     
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  • Marcello Alongi
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    2. Marcello Alongi,
    Jul 8, 2011 5:28 AM   in reply to Colin Brougham
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    It's a normal fade-in at start of a video clip...

    (((

    p.s. I use Matrox MXO 2 mini as video card for capture. But this problem happen also when I use a adobe project.

     
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  • Marcello Alongi
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    3. Marcello Alongi,
    Jul 8, 2011 5:29 AM   in reply to Marcello Alongi
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    Sorry! but I dont know how...but I cant' insert image from answer here...((?

     
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  • Colin Brougham
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    4. Colin Brougham,
    Jul 8, 2011 5:33 AM   in reply to Marcello Alongi
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    I don't know what a "normal fade-in" is--we need to know specifically which transition you're using. Please answer all questions in the original reply.

     

    If you're on Windows, you can create screenshots with the Snipping Tool included with Windows. Save the image file, and then post them here with the little camera button in the message controls.

     
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  • Marcello Alongi
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    5. Marcello Alongi,
    Jul 8, 2011 6:06 AM   in reply to Colin Brougham
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    fade.jpg

     
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  • Colin Brougham
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    6. Colin Brougham,
    Jul 8, 2011 6:22 AM   in reply to Marcello Alongi
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    OK, good. Now: Are you using GPU-accelerated rendering, e.g. hardware MPE? If so, have you tried in software mode?

     
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  • Marcello Alongi
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    7. Marcello Alongi,
    Jul 8, 2011 6:28 AM   in reply to Colin Brougham
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    I use now MPE sure...now I try change with software render...but I lost some realtime effects right?

     
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  • Colin Brougham
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    8. Colin Brougham,
    Jul 8, 2011 6:40 AM   in reply to Marcello Alongi
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    Yes, but I just want to know if you see a difference when you do that--you will. Just put the playhead over the transition, and go between hardware rendering and software rendering mode. You'll see a shift; that's because hardware rendering use linear color processing, which is different than what software rendering uses (more of a curve). The result is that layers can appear to "pop" on; it's an annoying side effect of the "better" color processing. I've argued until I was blue in the face for a way to use hardware acceleration without such color processing--particularly for opacity changes--but we're stuck with this for now. I suggest making a feature request to change it or at least give us the option of controlling it: Adobe Feature Request/Bug Report Form

     

    Here's a thread with some more thoughts and examples: Opacity Curves and MPE+GPU

     

    In the meantime, you can use hardware acceleration to edit, and then export without it (switch to software mode) and be sure to NOT use Maximum Render Quality, as that will force linear color processing in software rendering mode.

     
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  • Marcello Alongi
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    9. Marcello Alongi,
    Jul 8, 2011 6:52 AM   in reply to Colin Brougham
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    Ok! now I understand little better))) so..I solved by inserting a clip black and after creating a fade on it!! This is ok! because the "black video" in better that a normal clip video? on MPE?

    Thanks for you fast answer!!

     
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  • Bill Hunt
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    10. Bill Hunt,
    Jul 8, 2011 6:53 AM   in reply to Marcello Alongi
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    Also note: it appears that you have a gap in the Video, prior to that Clip. It is a good practice to fill that gap. I use Black Video, but Transparent Video works too - both created from the New Icon at the bottom of the Project Panel.

     

    With gaps, one can get errors, or hangs in Export. Often, it will be accompanied by "Failure to Return Frame," though not always. While gaps do not always cause issues, they certainly can.

     

    Now, if you are going to be "covering" that gap with a Clip, Title, etc., on a higher Video Track, then nothing to worry about, once Colin gets your Dissolve working fine..

     

    Good luck,

     

    Hunt

     
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  • Colin Brougham
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    11. Colin Brougham,
    Jul 8, 2011 6:55 AM   in reply to Marcello Alongi
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    If it works, it works Good luck, and if you have any other problems don't hesitate to ask.

     
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  • Marcello Alongi
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    12. Marcello Alongi,
    Jul 8, 2011 7:01 AM   in reply to Colin Brougham
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    Thanks Colin!

     
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