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Cannot using movie2avi in MATLAB

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Kelvin on 16 Oct 2015
Commented: Walter Roberson on 20 Oct 2015
I am trying to use the movie2avi function in MATLAB. I simply copy the sample program in my MATLAB R2015a:
nFrames = 20;
% Preallocate movie structure.
mov(1:nFrames) = struct('cdata', [],...
'colormap', []);
% Create movie.
Z = peaks; surf(Z);
axis tight manual
for k = 1:nFrames
mov(k) = getframe(gcf);
% Create AVI file.
movie2avi(mov, 'myPeaks.avi', 'compression', 'None');
But an error message appears:
Error using avi
Unexpected Error. Reason: Failed to open file.
Error in audiovideo.internal.aviwriter (line 168)
aviobj.FileHandle = avi('open',filename);
Error in movie2avi (line 63)
avimov = audiovideo.internal.aviwriter(filename,varargin{:});
Error in MakeMovie (line 36)
movie2avi(mov, 'myPeaks.avi', 'compression', 'None');
What's wrong here? Please help.

Answers (1)

Dinesh Iyer
Dinesh Iyer on 16 Oct 2015
Can you check if the location you are attempting to write the file to has write permissions?
movie2avi is being deprecated. I would recommend using VideoWriter as it allows you the use of more modern compression methods such as MPEG-4, MJ200), MJPEG AVI.
See VideoWriter documentation for examples.
Hope this helps.
Kelvin on 20 Oct 2015
Edited: Walter Roberson on 20 Oct 2015
I have typed this command and it shows:
Name: 'C:\Users\SupUsr\Desktop\Postdoctoral Research\DDFD\Practice'
archive: 0
system: 0
hidden: 0
directory: 1
UserRead: 1
UserWrite: 1
UserExecute: 1
GroupRead: NaN
GroupWrite: NaN
GroupExecute: NaN
OtherRead: NaN
OtherWrite: NaN
OtherExecute: NaN
It means that I can read and write in this directory. So what cause the error?
Walter Roberson
Walter Roberson on 20 Oct 2015
I do not know for sure, but I suggest trying again in a directory that does not have a space in its name.

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