[FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

[Michael Koch]

Am 21.05.2020 um 22:31 schrieb Nicolas George:
> Kieran O Leary (12020-05-21):
>>> I have a JPG image for which exiftool reports six times:
>>> -- File Modification Date/Time
>>> -- File Access Date/Time
>>> -- File Creation Date/Time
>>> -- Modify Date
>>> -- Date/Time Original
>>> -- Create Date
>> Aren't some of those just file system metadata, not in the actual JPG
>> itself?
> The "File" fields, obviously. But I very much doubt that a file system
> would store both a "File Modification Date/Time" and a "Modify Date",
> don't you?

here is an example of a JPG for which exiftool (version 11.26) reports 6 
dates/times:
http://www.astro-electronic.de/IMG_1343.jpg

Michael