Error using matlab.web​cam.intern​al.WebcamC​ontroller/​getCurr when using Unibrain Fire-i Webcams

When using MATLAB 2016b in Windows 10, run the below command to capture images from 2 Unibrain Fire-i Webcams:

clear all

% Identifying Available Webcams
camList = webcamlist
% Connect to the webcam
camR = webcam(1)
camL = webcam(2)

When doing this I see following error:

camList =

2×1 cell array

'Unibrain Fire-i driver / Unibrain Fire-i Board'
'Unibrain Fire-i driver / Unibrain Fire-i Board'

camR =

webcam with properties:

Name: 'Unibrain Fire-i driver / Unibrain Fire-i Board'
Resolution: '640x480'
AvailableResolutions: {'640x480'}

camL =

webcam with properties:

Name: 'Unibrain Fire-i driver / Unibrain Fire-i Board'
Resolution: '640x480'
AvailableResolutions: {'640x480'}

Error using matlab.webcam.internal.WebcamController/getCurrentFrame
Time out occured while trying to get a frame from the webcam.

Error in webcam/snapshot (line 227)
[image, timestamp] = obj.CamController.getCurrentFrame();

Error in stereoPlayer (line 11)
imR = snapshot(camR);

Answer 1

[MathWorks Support Team]

The support package you are using may or may not work with the Unibrain Fire-i webcams.

Instead, try using WINVIDEO adaptor and see if it works as expected. If this also does not work, you may get in touch with the Unibrain Fire-i to check if there are any incompatibility issues in the support package.

Please try to use the below workflow which uses WINVIDEO adaptor and check if the issue persists.

clear;

clc;

vid1 = videoinput('winvideo',1);

vid2 = videoinput('winvideo',2);

strt([vid1 vid2]);

for i=0:1000

      imgl = getsnapshot(vid1);

      imgr = getsnapshot(vid2);

      im=[imgl,imgr];

      imshow(im);

      pause(0.5);

end

stop([vid1 vid2]);

delete([vid1 vid2]);