Prores4444 + Alpha portrait formats compressed Problem

New Here ,
May 19, 2022 May 19, 2022

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Recently, I've been rendering portrait formats compressed. However, this only happens when I select Prores4444 + Alpha from output format. Does anyone have an idea what the problem could be?

When I render "uncompressed" everything is ok.

Same problem on Mac M1 Max  and Intel. Mac os 12.3.1 / After Effects 22.4.0

Bildschirmfoto 2022-05-20 um 06.04.29.png

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correct answers 1 Correct answer

Community Expert , Aug 24, 2022 Aug 24, 2022

This bug has been reported on the Adobe After Effects User-Voice pages.

 

It can be found here:

https://adobe-video.uservoice.com/forums/911311-after-effects/suggestions/45426430-wrong-render-output-when-rendering-multiple-compos

 

Here is the important response from After Effects Quality Engineering regarding this issue:

  • Paul Uusitalo (AE Quality Engineering) commented Qua ·   ·  Thank you for reporting this Michele!

    What you have hit here is a bug in our ProRes Hardware

...

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Adobe Employee ,
May 26, 2022 May 26, 2022

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Hey BNP_01,

 

Sorry for the poor experience. Can you please share your sequence and export settings so we could replicate this issue on our end?

 

Regards,

Ishan

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New Here ,
May 27, 2022 May 27, 2022

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I have already shared the AE file with support

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Adobe Employee ,
May 27, 2022 May 27, 2022

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Can you please share the case number so we could check the details?

Thanks

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Community Expert ,
May 27, 2022 May 27, 2022

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Make sure in the Output Module settings that when choosing Apple ProRes 4444 the Pixel Aspect Ratio is square (1.0) and not rectangular (custom). Also, make sure the Resize checkbox is unchecked.

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New Here ,
Aug 23, 2022 Aug 23, 2022

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I'm experiencing the same issue - haven't been able to successfully render a prores 4444 with alpha out of After Effects that isn't a standard 16x9 frame for months. The resulting render either ends up squashed like what you're showing here, or the file is just corrupt (generic QuickTime icon in the Finder, no usable data embedded).

 

Same experience on both an Intel-powered iMac Pro and an M1-powered Mac Studio.

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Adobe Employee ,
Aug 24, 2022 Aug 24, 2022

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Sorry about the issue. Could you share your sequence and render settings? Which version of After Effects are you currently using? Are you on a Windows or a Mac system?

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New Here ,
Aug 24, 2022 Aug 24, 2022

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It is a problem with the latest version. Problem seems to be the same on Mac and PC. I use AE 2021 for rendering

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New Here ,
Aug 24, 2022 Aug 24, 2022

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It is a problem with the latest version. Problem seems to be the same on Mac and PC. I use AE 2021 for rendering

 

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Adobe Employee ,
Aug 24, 2022 Aug 24, 2022

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Could you try the 22.5 version and let us know if you still see the issue? I tried exporting a Prores 4444 with alpha in a 1:1 aspect ratio on a Windows system, and the export seems fine. 

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New Here ,
Aug 24, 2022 Aug 24, 2022

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Still the same Problem.

 

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New Here ,
Aug 24, 2022 Aug 24, 2022

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on mac m1

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Adobe Employee ,
Aug 24, 2022 Aug 24, 2022

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Thanks for sharing the info. Warren's reply might be helpful here. 

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Community Expert ,
Aug 24, 2022 Aug 24, 2022

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This bug has been reported on the Adobe After Effects User-Voice pages.

 

It can be found here:

https://adobe-video.uservoice.com/forums/911311-after-effects/suggestions/45426430-wrong-render-outp...

 

Here is the important response from After Effects Quality Engineering regarding this issue:

  • Paul Uusitalo (AE Quality Engineering) commented Qua ·   ·  Thank you for reporting this Michele!

    What you have hit here is a bug in our ProRes Hardware Accelerated encoding. We are actively working on a fix for this.

    In the meantime, the workaround for the issue is to disable "Enable ProRes hardware accelerated encoding, if available" in AE's Output Preferences.

    Paul

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