Record video from webcam

v = videoinput ( "winvideo" , "1" , "MJPG_640x480" ) ;
v.SelectedSourceName = "input1";
src_v = getselectedsource(v);
get(src_v)
preview(v)
frame = getsnapshot(v)

Error using imaqdevice/getsnapshot
A timeout occurred during GETSNAPSHOT.

[Amir Azadeh Ranjbar]

I can not execute these commands

And I get the following error message