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A blue shadow bug with .mov transparent files (alpha channel) - still occurs at premiere 2020

New Here ,
Jul 14, 2020

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Hello, first sorry for my english.

 

Premiere cc 2019 and now 2020 have an absurd bug with .mov files and some correlation with CUDA render.

 

I'm testing premiere 2020 and every time I use a .mov file with transparency (be it rendered by QUICKTIME> animation or QUICKTIME> PRORES 4444), it gets a "blue shadow around". This may be due to the glow or shadows, I'm not sure yet, but it certainly only occurs when I activate the CUDA option in the premiere.

 

In my tests, the premiere cc 2018 version does not have this bug, I tried to report it a long time ago and it still exists, this problem has more than years.

 

This image is how the file should really be, using the premiere cc 2018 version (where there is no bug)

Image premiere cc 2018Image premiere cc 2018

 

This image shows the bug in the premiere 2020 version rendering with QUICKTIME> Animation

imagem cc 2020 animation.jpg

 
I then tried to render in ProRes 4444, and it helped a lot, but there is still a "blue / green stripe" around the objects

animagem cc 2018.jpg

 

So when I tried to activate some options in the preview mode, they got worse and more visible (ProRes 4444)

imagem cc 2020 2.jpg

 

When I switch to Software Only mode, the bug stops.

cuda.jpg

 

All of my tests indicate that there is a relation between CUDA, shadows and glow effects.

 

If anyone already has a solution for this, please speak.

Otherwise, I hope that my tests will help to find this problem.

 

 

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A blue shadow bug with .mov transparent files (alpha channel) - still occurs at premiere 2020

New Here ,
Jul 14, 2020

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Hello, first sorry for my english.

 

Premiere cc 2019 and now 2020 have an absurd bug with .mov files and some correlation with CUDA render.

 

I'm testing premiere 2020 and every time I use a .mov file with transparency (be it rendered by QUICKTIME> animation or QUICKTIME> PRORES 4444), it gets a "blue shadow around". This may be due to the glow or shadows, I'm not sure yet, but it certainly only occurs when I activate the CUDA option in the premiere.

 

In my tests, the premiere cc 2018 version does not have this bug, I tried to report it a long time ago and it still exists, this problem has more than years.

 

This image is how the file should really be, using the premiere cc 2018 version (where there is no bug)

Image premiere cc 2018Image premiere cc 2018

 

This image shows the bug in the premiere 2020 version rendering with QUICKTIME> Animation

imagem cc 2020 animation.jpg

 
I then tried to render in ProRes 4444, and it helped a lot, but there is still a "blue / green stripe" around the objects

animagem cc 2018.jpg

 

So when I tried to activate some options in the preview mode, they got worse and more visible (ProRes 4444)

imagem cc 2020 2.jpg

 

When I switch to Software Only mode, the bug stops.

cuda.jpg

 

All of my tests indicate that there is a relation between CUDA, shadows and glow effects.

 

If anyone already has a solution for this, please speak.

Otherwise, I hope that my tests will help to find this problem.

 

 

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Adobe Community Professional ,
Jul 14, 2020

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Go into the interprete footage and change the setting for the alpha channel.

See how that goes.

 

Make sure you have the latest nvidia driver. New one release a few days ago.

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New Here ,
Jul 14, 2020

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Everything is up to date, and even changing the interpretation mode, nothing changes.

 

Apparently this bug / gligh only occurs when .mov has shadow or glow effects, using CUDA.

 

Files that do not have glow or shadow effects, even if rendered with QUICKTIME> Animation, do not have the visual BUG.

 

We have several other topics about this bug in different forums
https://www.reddit.com/r/premiere/comments/f3nk6d/blue_shadows_appearing_on_mov_files_with_alpha/

 

.mov Files with glow or shadows, showing bugs

hugono_1-1594765710091.png

hugono_4-1594766028207.png

 

 

.mov Files without glow or shadows, without bugs

hugono_2-1594765818569.png

hugono_3-1594765905455.png

 

Again, This bug is also present in the cc 2019 version, however it is NOT present in the cc 2018

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New Here ,
Jul 27, 2020

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I had a similar issue today. AE and Premiere current versions (as of today, 20200727) and working on iMac with high sierra). I exported a thought bubble comp (where the bubble's opacity fades to 0)  with alpha from AE and brought into premiere. once i exported from premiere and the alpha channel was turquoise just like yours when the fade out happened. I tried animation codec first, then prores 4444. When i first imported 4444 into sequence it looked perfect. but blue was back in export and never went away after I closed and reopened premiere. Even if i deleted the file from project and reimported it. 

 

so weird. anyone know what's going on? there were no effects on this comp. just opacity keyframes.

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Adobe Employee ,
Sep 01, 2020

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Hi there,

We're sorry about the poor experience. We would like to get this checked. Are you still getting this issue with the latest version of Premiere Pro (v 14.3.2)? If so, please provide us a download link for the sample media with which you are experiencing this issue. It will help us to diagnose the issue properly at our end.

 

Thanks,

Sumeet

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New Here ,
Sep 10, 2020

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I am now having this issue in the most current version updated today to see if it would 

Screen Shot 2020-09-10 at 8.53.48 PM.png

fix things. 

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Adobe Community Professional ,
Sep 11, 2020

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Try this:

afbeelding.png

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hugono LATEST
New Here ,
Sep 12, 2020

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It doesn't help

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New Here ,
Sep 12, 2020

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No problem, I separated 3 .mov files that are with visual bugs, all have bugs when I activate Nvidia's CUDA cores (I have a gtx 970) 

 

https://drive.google.com/file/d/1B3PgZhoBC_O992YxB9hqlPaG4_DrL-qc/view?usp=sharing

 

This bug is not present in premiere cc 2018, but it is in 2019 and 2020 in all versions

 

 

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