Problem in recording video from webcam in matlab 2015

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Ali Tareq
Ali Tareq el 21 de Mzo. de 2016
Comentada: Madhura Suresh el 24 de Mzo. de 2016
To record video from webcam I've used following code in matlab 2015:
clear all;
clc;
vid = videoinput('winvideo',1, 'YUY2_640x480');
set(vid, 'FramesPerTrigger', Inf);
set(vid, 'ReturnedColorspace', 'rgb');
vid.FrameGrabInterval = 1;
start(vid)
aviObject = VideoWriter('myVideo.avi');
for iFrame = 1:100
I=getsnapshot(vid);
F = im2frame(I);
aviObject = addframe(aviObject,F);
end
aviObject = close(aviObject);
stop(vid);
But it seems to be working but following error resulted:
Error using imaqdevice/getsnapshot (line 65) A timeout occurred during GETSNAPSHOT.
Error in recording_video (line 17) I=getsnapshot(vid);
What is the problem?
  2 comentarios
Walter Roberson
Walter Roberson el 21 de Mzo. de 2016
Editada: Walter Roberson el 21 de Mzo. de 2016
Are you able to preview() the webcam?
Is the timeout appearing on the first frame, or after several have been captured?
Madhura Suresh
Madhura Suresh el 24 de Mzo. de 2016
Instead of adding the frame each time to the aviObject, have you tried attaching the VideoWriter to the videoinput object?
See this link for more information.

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