Convert 4k Video of DJI FIles into 1080p using FFMPEG on Windows

Using RTX 4080 Super Graphic Card

open window command as administrator

cd into the folder which has *.mp4 files. (eg: cd e:/dji )

for %f in (*.MP4) do ffmpeg -hwaccel cuda -i "%f" -vf "hwupload_cuda,scale_cuda=1920:-2" -c:v av1_nvenc -preset p6 -cq 23 -b:v 0 -c:a copy "%~nf_1080p_AV1.mp4"