I want to know how to adjust OBS to vertical screen on WhtasApp, and full-screen call mode, which is played through the virtual camera used for window

[luxc]

我想知道如何在WhtasApp上将OBS调整为竖屏，并且处于全屏通话模式。它是通过用于窗口采集的虚拟摄像机来播放的。不管我怎么调整，都和附件一样。无法调整为竖屏或全屏。请教解决办法。