Good afternoon.
Help to properly configure the copying of information.
The task is
Copy all exif information from one mp4 file to another; also copy the preview, if it is there, it is advisable to copy it in such a way that the order of the exif data is the same as in the source.
I will also be glad if you tell me how you can add garbage data to the video file to increase its weight.
Thank you
Most video metadata is Quicktime, not EXIF. EXIF data in a video file is non-standard, but that doesn't stop camera companies from forcing it into the file.
If you run the command in FAQ #3 (https://exiftool.org/faq.html#Q3), any data that has a group of ExifIFD or *IDF* is actual EXIF data and can't be copied.
The best you can try is
exiftool -TagsFromFile source.mp4 -all:all target.mp4
See this StackOverflow answer (https://stackoverflow.com/questions/4027983/is-there-a-way-to-pad-files-with-a-few-extra-bytes-to-get-a-different-md5-checks) for example of padding the end of a file.