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I have files captured with a GoPro camera that was not properly set up with the correct time and date, leaving me with a set of .mp4 videos that have invalid timestamps in the headers.
Exiftool properly displays the headers as:
[..]
Create Date : 2012:01:03 14:09:17
Modify Date : 2012:01:03 14:09:17
[..]
Track Create Date : 2012:01:03 14:09:17
Track Modify Date : 2012:01:03 14:09:17
[..]
Media Create Date : 2012:01:03 14:09:17
Media Modify Date : 2012:01:03 14:09:17
And those correspond to the headers in the Apple QuickTime specification. However, the dates are wrong since the videos were shot in January 2013.
Unfortunately, exiftool cannot write MP4 headers, only read them, so I need a tool to be able to edit the timestamps on those headers. I've tried several programs and Python libraries with no luck, so I was wondering if someone knows of a program or library that would allow me to edit those.
Thanks!