Trying to open mp4 file: 
mp4dump.exe myfile.mp4
 and get this error "cannot open input (-4)"

cannot open input (-4)
This is a GitHub Issue
repo:Bento4
owner:axiomatic-systems
Title : cannot open input (-4)
Issue date:

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Trying to open mp4 file: 
mp4dump.exe myfile.mp4
 and get this error "cannot open input (-4)"

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