Cant't Change FramesPerTrigger in videoWriter
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Eirik Furuholt
le 22 Avr 2021
Commenté : Eirik Furuholt
le 23 Avr 2021
Hello,
When i try to change the number of fremes per trigger in the it just resets to 10. And when i open the 1x1 videoinput in the workspace it says 10.
See pictures for a better explantion
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/592870/image.png)
Is it a bug in R2020b?
i have tried the following:
Open the 'vidobj' 1x1 videoinput variable in the workspace and change there.
set(vidobj, 'FramesPerTrigger', 50); %this code
vidobj.FramesPerTrigger=50 % and this code
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Walter Roberson
le 22 Avr 2021
Frames Per Trigger is not a documented property of Videowriter or of Videoreader
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Walter Roberson
le 22 Avr 2021
The very first line of the blurry image of code that you posted is start(vidobj). Your if after that does an additional start(vidobj) even though you already started it. Then you try to change the frames per trigger. However as documented, that property is read-only while the reader is started.
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