A vertical video filmed on a samsung mobile phone appears horizontal (cropped, not rotated)

[vincib]

Steps to reproduce the problem

1. I uploaded a video here : https://mamot.fr/@vincib/112461468870430606
2. The video has been shot vertically on a Samsung mobile phone. If you download it, and open it with vlc, you see it has been filmed vertically
3. It appears non-rotated, but cropped horizontally in the browser

Expected behaviour

I expect the video to be shown entirely, not cropped

Actual behaviour

The video is cropped

Detailed description

No response

Mastodon instance

mamot.fr

Mastodon version

v4.2.7

Browser name and version

Chrome 123

Operating system

Debian GNU/Linux

Technical details

No response

[vincib]

if needed, the ffmpeg version is

ffmpeg version 4.3.6-0+deb11u1

from debian 11 official repository

[vincib]

When using TUSKY app, the video appears vertically and not cropped

[vmstan]

It's playing vertically for me in Safari directly from the server and in Ivory.

[daprice]

It’s cropped for me in both Safari (viewing directly on original server) and Ivory (via mastodon.online) unless I make it full screen. I see this issue all the time with tons of videos.

Ivory:

[daprice]

Possibly related to #28500 ?