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

[Michael Koch]

Am 21.05.2020 um 21:05 schrieb Kieran O Leary:
> On Thu, May 21, 2020 at 6:05 PM Michael Koch <astroelectronic at t-online.de>
> wrote:
>
>> Am 21.05.2020 um 17:07 schrieb Carl Eugen Hoyos:
>>> Am Do., 21. Mai 2020 um 16:46 Uhr schrieb David Greenwood
>>> <dgreenwood at trekview.org>:
>>>> Nope.
>>> If such files do not exist, it seems unlikely that ffmpeg
>>> can produce them.
>> 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?

I don't know. Exiftool reports these 6 dates / times. For some other 
JPG's it reports only 3.

Michael