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Save a movie smaller than avi

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David Pesetsky
David Pesetsky 2016-7-10
评论： David Pesetsky 2016-7-12
Hi,
I was wondering if there's a snippet of code that can save movies smaller than the typical avi? My system cannot find any codecs, so I thought mp4 would be better. But that's getting complex fast as I read about it. Here' my sample:
Z = peaks;
surf(Z)
axis tight manual
ax = gca;
ax.NextPlot = 'replaceChildren';
loops = 40;
F(loops) = struct('cdata',[],'colormap',[]);
for j = 1:loops
X = sin(j*pi/10)*Z;
surf(X,Z)
drawnow
F(j) = getframe(gcf);
end
fig = figure;
movie(fig,F,2);
movie2avi(F, 'awesomeMovie', 'compression', 'None');
Seems videowriter may have potential, but I cannot find an example I understand, based on my example above.
Hoping for some help, and thank you. Dave
  2 个评论
Walter Roberson
Walter Roberson 2016-7-10
'compression', 'none' would be much bigger than AVI.
Which operating system are you using?
David Pesetsky
David Pesetsky 2016-7-10
Windows 7 professional. It creates an avi. A big one.

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采纳的回答

Image Analyst
Image Analyst 2016-7-10
Here's an example of how to use VideoWriter. Try it for different formats: wmv, mp4, etc.
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Image Analyst
Image Analyst 2016-7-11
There is a "FrameRate" option you can specify to slow it down.

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