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Anonymous
July 15, 2022
Answered

Green glitch on after effects and premiere pro

  • July 15, 2022
  • 1 reply
  • 1083 views

Every single time I add in footage on premiere pro or after effects I get this green glitch effect on top of it, I've tried changing the GPU system, clearing cache, uninstalling and reinstalling, nothing has worked, please help

    This topic has been closed for replies.
    Correct answer Rick Gerard

    The most likely source of the problem is the compression used for the video. Transcoding is the most viable solution.

     

    It doesn't matter where the compressed footage came from. Streaming services and stock footage sites are notorious for recompressing footage to save bandwidth. Highly compressed footage is always problematic because frames, colors, and even the movement of pixels are predicted, and only a few of the original frames still exist. Even those original frames may have their color and luminance values averaged, reducing the total number of different values. That is why they are lossy codecs. They lose data. Your best option is to put that lossy data in a container where every frame can display the full range of values the codec will support. Even though you may only have 120 different values available for Red, when you transcode to a production format, you can easily manipulate those red values through all 256 different values. 

     

    Your green glitches are caused by the software trying to guess what colors are supposed to be generated between the interpreted values. A media player is not concerned with filling in the missing values, but an editing app like Premiere Pro or a compositing app like After Effects is. The whole data stream is compromised if there is any corruption in the file.  

    '

    This is a very common problem. 

     

    1 reply

    R
    Community Expert
    Rick GerardCommunity Expert
    Community Expert
    July 16, 2022

    You are experiencing a typical decoding problem caused by highly compressed footage from a consumer device like a phone or a simple pocket camera. The best solution is to load the original footage into the Adobe Media Encoder and transcode the footage to a standard production format. H.264 MP4 footage can also be variable frame rate, which almost always causes problems. You will find suitable presets in the Movie section. After the footage has been transcoded, you should have fewer problems. 

    A
    Anonymous
    July 16, 2022

    The footage I use is not filmed on a phone nor camera, its all downloaded in hd from a website, so would it still work on that?

    R
    Community Expert
    Rick GerardCommunity ExpertCorrect answer
    Community Expert
    July 16, 2022

    The most likely source of the problem is the compression used for the video. Transcoding is the most viable solution.

     

    It doesn't matter where the compressed footage came from. Streaming services and stock footage sites are notorious for recompressing footage to save bandwidth. Highly compressed footage is always problematic because frames, colors, and even the movement of pixels are predicted, and only a few of the original frames still exist. Even those original frames may have their color and luminance values averaged, reducing the total number of different values. That is why they are lossy codecs. They lose data. Your best option is to put that lossy data in a container where every frame can display the full range of values the codec will support. Even though you may only have 120 different values available for Red, when you transcode to a production format, you can easily manipulate those red values through all 256 different values. 

     

    Your green glitches are caused by the software trying to guess what colors are supposed to be generated between the interpreted values. A media player is not concerned with filling in the missing values, but an editing app like Premiere Pro or a compositing app like After Effects is. The whole data stream is compromised if there is any corruption in the file.  

    '

    This is a very common problem. 

     

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