Mendelsberg asked . 2022-02-12

Snapshot timeout when two Gige videoinput objects are in the "start" state

vid1 = videoinput('gige',1);
src1 = getselectedsource(vid1);
set(src1,'ExposureAuto','off')
vid1.IgnoreDroppedFrames = 'on';
vid1.FramesPerTrigger = 1;
triggerconfig(vid1,'manual')

vid2 = videoinput('gige',2);
src2 = getselectedsource(vid2);
set(src2,'ExposureAuto','off')
vid2.IgnoreDroppedFrames = 'on';
vid2.FramesPerTrigger = 1;
triggerconfig(vid2,'manual');


start(vid1)
% start(vid2) % uncommenting this line causes the timeout error
N = 100;
tic
for ii = 1:N
    frame1 = getsnapshot(vid1);
end
t = toc;
fprintf('Average Frame Rate = %.1fHz\n',N/t);
stop(vid1)
% stop(vid2)

I feel like I ran into a probelm with the image aquisition toolbox, these particular GigE cameras, or I'm missing some basic setting or something.

image acquisition , matlab , image processing