Edit:- Tables below looked beautiful in the "Reply" window but are somewhat spoiled now that it is actually posted. Oh well...
google - gopro file name convention
https://gopro.com/help/articles/ques...ing-Convention
Very comprehensive article. Looks excellent but does not seem to match with your description of "GoPro7"
These may be relevant -
Camera Models: HD HERO2, HERO3, HERO3+, HERO (2014), HERO Session, HERO4, HERO5 Black, HERO5 Session, HERO (2018)
This table indicates the file-naming convention for various recording types:
Single Photo
GOPRxxxx.mp4
GOPRxxxx.jpgBurst
Time-Lapse Photo
Looping Video
Gyyyxxxx.jpg- ‘xxxx’ = file number
- ‘yyy’ = group number
Burst shot (10x pics):
G0231111.jpg – G0231120.jpg
Time-lapse shot (100x pics):
G0241121.jpg – G0241221.jpg