[FFmpeg-user] ffprobe aspect ration

[Jonathan Baecker]

Am 31.08.2019 um 22:06 schrieb Carl Eugen Hoyos:
> Am Sa., 31. Aug. 2019 um 21:49 Uhr schrieb Jonathan Baecker
> <jonbae77 at gmail.com>:
>
>> I figure out that ffprobe not always show the "display_aspect_ratio",
>> but mediainfo does. Is there any technical reason for that? Or is there
>> another way to get this info, instead of using "-show_streams". I could
>> calculate the aspect from resolution but
>> how could I be sure that the pixels are square?
> How can FFmpeg be sure?
>
So you think mediainfo, or ffmpeg just guessing the aspect, when is not 
present?