[FFmpeg-user] Questions about using CROP filter to pan a jpeg image

[Michael Koch]

Am 27.09.2024 um 15:01 schrieb Bram van Oosterhout:
>
> Thanks for the reference and... my IMG_8048.JPG has only one timestamp:
> 2024:04:11 18:46:26.
> /tmp/On6Ub.JPGdoes not have a timestamp:
> file  /tmp/On6Ub.JPG
> /tmp/On6Ub.JPG: JPEG image data, baseline, precision 8, 4423x1080,
> components 3
> [Q2.1] So why does t vary?

You did specify -framerate and -loop for the input image, that means it 
did become a video.

> [Q2.2] And with what start and interval?

I think the default value for t is 0 at the beginning.
The interval is the inverse of the framerate that you specified.

Michael