[Boot2Qt] The video content of mp4 file becomes gray when playing high-resolution video on boot2qt device

Linux Ubuntu 22.04.4 / Wayland

Qt Creator 14.0.2

Device: Raspberry Pi4 64 bit with Qt 6.8.1

Steps to reproduce:

1. Open media player example.
2. Play 4K mp4 video. 

Expected: The video content has a proper look and colors. 

Actual: The video content looks like being masked with grey color. See attached.

Reproducibility:  100% 

Sample files: Video Sample Files (located in the folder named as QTBUG)