Virtual camera not work

[rosendolu]

Reproduce steps: (win10)

1. clone the rep
2. yarn
3. launch vcam as below
4. add cvam to desktop apps. Zoom or desktop app links

Issue：
Can't be added to other live apps. Format not support

Zoom：

Douyin：

Expected:
Have some way to adjust vcam output format,thus can be added

[rosendolu]

After a few days of struggle.It came out with a obs conflict .It works well on other win .My guessing about this problem is some kindof obs client webcam may conflict with obs-studio-node ,so

1. unInstall the obs client software
2. relaunch the demo

Bingo,webcam works well