Have you already tried to simply pass the host USB webcam through to the guest? ... that's likely easier and faster than adding software emulation...
** Changed in: qemu Status: New => Incomplete ** Tags added: feature-request usb ** Changed in: qemu Importance: Undecided => Wishlist -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1922252 Title: [feature request] webcam support Status in QEMU: Incomplete Bug description: Please I am impatient to get something as "-device usb-webcam" to share dynamically the webcam between host and guest. Thanks To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1922252/+subscriptions