Loading videos takes around 6 seconds

[tony-wolff]

If this template helps then use it. If not then just delete and start from scratch.

OS : Windows 10
PsychoPy version : 2026.1.1
Standard Standalone Installation? yes
Do you want it to also run online? no
What are you trying to achieve?:

**
I’m making a routine with a different video playing each time. I have a csv file in which there’s a column that contains all the path of the videos. I have added a video component in the builder and set “Movie file” to the variable $path with “set every repeat”. Inside the trial loop properties I have set the path to the csv file.
Everything works, but the video takes so much time to load. They are around 3Mo and last for 10 seconds.**

What did you try to make it work?:

Link to the most relevant existing thread you have found:

Psychopy runs slow when using movies

Try movieComponentName.setMovie(fileNameVariableWithPath)

Playing small videos takes 10 sec to load

OS (e.g. Win10): Win10 PsychoPy version (e.g. 1.84.x): v2021.2.3 Standard Standalone? (y/n) If not then what?: y What are you trying to achieve?: Play a video, then collect keyboard response What did you try to make it work?: My videos are quite small (1-2 sec long; under 10 mb, most 4-5 mb). However, on each trial of the loop, it takes 10-11 sec before the video plays. There is nothing else going on in the experiment besides playing the video and collecting a single key press response at…

I’ve tried the solution of setting the video movie file to constant and updating the video with code but it did not fix the issue at all. It seems that this problem has been around for quite some time also.