video writer in matlab

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sweta arya
sweta arya 2016-1-27
评论： Walter Roberson 2016-1-28
I am accessing one video in my code and then modifying it. After that I am writing it using video writer but it is giving error that permission denied. I have look for the permissions i have and i have also run matlab as administrator but same error is coming. can you please tell me what could be problem in this?

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回答（1 个）

Walter Roberson
Walter Roberson 2016-1-27
Which directory are you trying to write the file to? You cannot write the file anywhere under the MATLAB installation directory; it needs to be in a directory of your own that you have write access to. If the file already exists then you need to have write access to the file.
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sweta arya
sweta arya 2016-1-28
编辑：Walter Roberson 2016-1-28
fileattrib results for directory is:
Name: 'e:\harpreet'
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
and for file is
Name: 'E:\harpreet\puppy.avi'
archive: 1
system: 0
hidden: 0
directory: 0
UserRead: 1
UserWrite: 1
UserExecute: 1
GroupRead: NaN
GroupWrite: NaN
GroupExecute: NaN
OtherRead: NaN
OtherWrite: NaN
OtherExecute: NaN
And also I tried writing the file by deleting it first. But still it is giving the same error.
Walter Roberson
Walter Roberson 2016-1-28
It appears that you might not be the owner of the file or directory. You will need to use Windows Explorer to examine the folder permissions; see https://msdn.microsoft.com/en-us/library/bb727008.aspx

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