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Avoid error while using DeviceRead["RaspiCam"] ? (Mathematica 11.0.1)

Jerry G
Posted 9 years ago

In Mathematica 11.0.1 I typed 

DeviceRead["RaspiCam"]

and received the error message "Error enabling camera-preview".

I ran in a terminal using sudo Mathematica and got a number of error messages the first of which is shown below:

mmal: mmal_VC_component_enable: failed to enable component: ENOSPC  Output port couldn't be enabled.

How do I fix this?
POSTED BY: Jerry G
3 Replies
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Arun Sharma
Arun Sharma
Posted 7 years ago

Hi Jerry, Did you manage to fix the issue? I am using Mathematica (11.3.0) on the Pi and I am having the same issue. The camera works with Python 3, however, I DeviceRead is unable to access it.

POSTED BY: Arun Sharma
Jerry G
Jerry G
Posted 7 years ago

Arun, sorry that I do not know the answer since I have ceased development with RPi. Jerry.
POSTED BY: Jerry G

I got the same message, The Python 3 code that was reference worked great, got a preview and worked as advertised.

POSTED BY: Alfred Holzheu
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