Is there a way to get raw data without handled from csi camera?

i can get raw data by change the argus/samples/cudaBayerDemosaic,but i found that the raw data from libargus was
hamdled .
is there a way for me to get the data without handled,or what libargus do to the raw data from camera ?

Using v4l2-ctl for it like below command.

v4l2-ctl -d /dev/video0 --set-fmt-video=width=1920,height=1080,pixelformat=RG10 --set-ctrl bypass_mode=0 --stream-mmap --stream-count=1 --stream-to=ov1080.raw