[FFmpeg-user] how to make moov box before mdat box in mp4 file

[qw]

Hi,


I used the command of 'ffmpeg -i ./file1.mp4 ./file2.mp4' to trancode. But I found moov box is behind mdat box in file2.mp4.


How to how to make moov box before mdat box in mp4 file?


Thanks!


B.R.


andrew