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Blue shadow on mov files with alpha

New Here ,
Feb 25, 2020

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I recently started having this problem on premiere v13, I'm currently using v13.1.5, as my computer is running MacOS Sierra.

When I first import the mov files with alpha, they looked fine. The problem only starts after I close premiere and open it again. It always happens if the mov file has drop shadow or any form of feathering effect added to it.

Screen Shot 2020-02-26 at 9.28.26 AM.png

I've tried rendering these mov files with both ProRes4444 and Animation codec (with alpha) and the problem still persists. The mov files are not set to any other Blending mode except "Normal". I tried clearing cache, removing the file and re-importing them, restart my computer, nothing works. It seems like once Premiere decided to put that blue shadow on the file, it will remain like this unless I render a new one from After Effects, then it will work normally until I close Premiere again.

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Blue shadow on mov files with alpha

New Here ,
Feb 25, 2020

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I recently started having this problem on premiere v13, I'm currently using v13.1.5, as my computer is running MacOS Sierra.

When I first import the mov files with alpha, they looked fine. The problem only starts after I close premiere and open it again. It always happens if the mov file has drop shadow or any form of feathering effect added to it.

Screen Shot 2020-02-26 at 9.28.26 AM.png

I've tried rendering these mov files with both ProRes4444 and Animation codec (with alpha) and the problem still persists. The mov files are not set to any other Blending mode except "Normal". I tried clearing cache, removing the file and re-importing them, restart my computer, nothing works. It seems like once Premiere decided to put that blue shadow on the file, it will remain like this unless I render a new one from After Effects, then it will work normally until I close Premiere again.

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Feb 25, 2020 1
New Here ,
Nov 17, 2020

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I am having this exact problem. Has anyone found a solution? This is problem has brought my entire wrokflow to a stand still.

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Nov 17, 2020 0
New Here ,
Nov 17, 2020

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unfortunately i have not found a fix to this day. however, i have been working around this problem by rendering all my gfx without drop shadows or any kind of fading background. i add the drop shadows in premiere using premiere's own drop shadow effect, and as for fading backgrounds, i use photoshop to create a gradient to transparent image and then import them into premiere.

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Nov 17, 2020 0
New Here ,
Nov 17, 2020

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I appreciate the reply, but i am using an intro video that I got from fiverr that has some alpha in it and it is basically unusabvle for my channel with Premier. I will be switching to Divinci since the intro MOV works perfectly fine there.

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Nov 17, 2020 0
Engaged ,
Nov 17, 2020

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Try disabling/enabling Composite in linear color in the sequence settings.

LinearColor.jpg

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Nov 17, 2020 0
Adobe Community Professional ,
Nov 17, 2020

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Interprete the footage to a different alpha channel settings.

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Nov 17, 2020 0
New Here ,
Nov 19, 2020

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I'm kind of a newb with Premier...how would I do that? 

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Nov 19, 2020 0
Adobe Employee ,
Nov 19, 2020

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Bizzy,

Have you done a test with the new version just released, 14.6? Give it a try and let us know.

 

Thanks,
Kevin

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Nov 19, 2020 0
Adobe Community Professional ,
Nov 17, 2020

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Maybe @TrentHappel  could chase this down ...

 

Neil

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Nov 17, 2020 0
Adobe Employee ,
Nov 17, 2020

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We have seen a few reports of a blue hue added to Alpha channels with some media formats. In these cases, they appear to be GPU-related. If you go to File menu > Project Settings > General > Video Rendering and Playback and set to Mercury Playback Engine Software Only, do the files now appear correct?

 

I will pass this on to the team investigating this issue.

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Nov 17, 2020 2
New Here ,
Nov 19, 2020

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I did as you instructed and it did reduce the efffect by about 90%, but the problem still persists.

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Nov 19, 2020 0
New Here ,
Nov 19, 2020

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To add to this, I tried the same MOV in Divinci Resolve and the problem isn't there at all. I really don't want to use Divinci though. I just did it to make sure that the file wasn't the problem. The first time I import the file into Premier it works as it should. After I save and close Premier it never works again after that. It did this on both of my workstations.

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Nov 19, 2020 0