Invalid MEX file - Not running

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Marek Galus
Marek Galus on 10 Aug 2021
Commented: Marek Galus on 10 Aug 2021
Setting up Psychtoolbox on my new Linux (Ubuntu) OS.
Getting this error "Invalid MEX-file '.../Screen.mexa64
The file exists and is in the right directory.
I am unable to run it like every other MEX file, is there an easy fix such as the possibility to redownload that particular MEX file? I tried redownloading Psychtoolbox but it made no difference...
  2 Comments
Walter Roberson
Walter Roberson on 10 Aug 2021
Is it possible that you are using a 32 bit Linux?
Marek Galus
Marek Galus on 10 Aug 2021
Screen function was not working since I didn't have GStreamer downloaded.
Works now!

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