[FFmpeg-user] FFprobe should not return a duration if the file is a JPEG picture

[Carl Eugen Hoyos]

Am So., 18. Aug. 2019 um 12:50 Uhr schrieb August Johansson
<augustperson25 at gmail.com>:

> Because I think it would be correct to not display a duration for
> something that isnt playable.

How do you define "not playable"?
Why isn't a single frame playable?

The issue is simply that from opening a file (in the general case),
you cannot know if it is a single frame or not, think of mjpeg.

Please fix your quoting, Carl Eugen