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Will I be able to change the ftyp of an mp4 file?

I have two mp4 files and placed it unto media info to see what is the difference. The other mp4 plays on my sansa fuze device while the other does not. The one that is playing has an ftyp of mp42. The one I encoded using megui uses isom as its codec id.

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How did WinFF solve your problem, can you explain? –  Steven Penny Jul 7 '13 at 8:15

1 Answer 1

up vote 1 down vote accepted

try using something like winff to convert the files for you, it has quite a few low-level functions you may be looking for.

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