MATLAB: Using writeVideo command & result…

videofilewritevideo

I am using the writeVideo command and while it successfully makes the .avi file, when I play it outside of matlab it plays very fast. Is this a problem with my script or something else?
script here:
vidObj = VideoWriter('pr_lgm_r1_ccsm4.avi');
  open(vidObj);
for i=1:12
    X=squeeze(pr(:,:,i));
    figure 
    contourf(lon,lat,X','LineStyle','none')
 pause(1.0); %slow down frames
       % Write each frame to the file.
       currFrame = getframe(gcf);
       writeVideo(vidObj,currFrame);
       cla;
end
    % Close the file.
    close(vidObj);
Any advice appreciated

Best Answer

Julia - the default frame rate for the VideoWriter object is 30 frames per second (see VideoWriter class for details).
I noticed that you put a one second pause in your for loop. If you want only one frame to appear per second, then you just need to set this rate in vidObj
 vidObj = VideoWriter('pr_lgm_r1_ccsm4.avi');
 vidObj.FrameRate = 1;
 open(vidObj);
Try the above and see what happens!
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