Using Davinci Resolve video editor

[arnauld@alienware18 ~]$ inxi -Ga
Graphics:
Device-1: NVIDIA GK104M [GeForce GTX 880M] vendor: Dell driver: nvidia
v: 470.182.03 alternate: nouveau,nvidia_drm non-free: series: 470.xx+
status: legacy-active (EOL~2023/24) arch: Kepler code: GKxxx
process: TSMC 28nm built: 2012-18 pcie: gen: 1 speed: 2.5 GT/s lanes: 8
link-max: gen: 3 speed: 8 GT/s lanes: 16 bus-ID: 01:00.0
chip-ID: 10de:1198 class-ID: 0300
Device-2: NVIDIA GK104M [GeForce GTX 880M] vendor: Dell driver: nvidia
v: 470.182.03 alternate: nouveau,nvidia_drm non-free: series: 470.xx+
status: legacy-active (EOL~2023/24) arch: Kepler code: GKxxx
process: TSMC 28nm built: 2012-18 pcie: gen: 1 speed: 2.5 GT/s lanes: 8
link-max: gen: 3 speed: 8 GT/s lanes: 16 bus-ID: 07:00.0
chip-ID: 10de:1198 class-ID: 0302
Device-3: Microdia Laptop_Integrated_Webcam_FHD driver: uvcvideo type: USB
rev: 2.0 speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 1-1.5:3
chip-ID: 0c45:64dd class-ID: 0e02
Display: x11 server: X.Org v: 21.1.8 compositor: xfwm v: 4.18.0 driver: X:
loaded: nvidia unloaded: modesetting alternate: fbdev,nouveau,nv,vesa
gpu: nvidia,nvidia display-ID: :0.0 screens: 1
Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x286mm (20.00x11.26")
s-diag: 583mm (22.95")
Monitor-1: LVDS-0 res: 1920x1080 hz: 60 dpi: 119
size: 409x230mm (16.1x9.06") diag: 469mm (18.47") modes: N/A
API: OpenGL v: 4.6.0 NVIDIA 470.182.03 renderer: NVIDIA GeForce GTX
880M/PCIe/SSE2 direct-render: Yes