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QT Preallocate and Flatten

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John Heagy
QT Preallocate and Flatten
on Sep 5, 2012 at 8:35:34 pm

I'm looking for a way to flatten a QT reference movie from one Xsan volume/s to another and preallocate space so the file creates only 1 extent.

Will ffmeg flatten a ref .mov and preallocate?

Thanks
John


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Reuben Martin
Re: QT Preallocate and Flatten
on Sep 6, 2012 at 1:41:09 am

According to grep -r fallocate ./* from the ffmpeg source tree, it does not preallocate. You might be able to do that manually using cvmkfile.

Seriously doubt it will flatten a QT file. (have never tried to do it though) That is a function that is very specific to Quicktime on Mac OS.


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John Heagy
Re: QT Preallocate and Flatten
on Sep 7, 2012 at 11:52:16 am

Thanks Ruben,

Looking at cvmkfile it appears it makes a file with data. Would it be possible to use cvmkfile and then have QT render a .mov into it?

Thanks
John


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Reuben Martin
Re: QT Preallocate and Flatten
on Sep 9, 2012 at 2:49:48 am

Don't know. I've never use xsans volumes. Try it and see what happens.


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