Transcoding, compressing, and maintaining metadata

@echo on
set bitrate=2M
set out_file=_bitrate%bitrate%_x265.mp4
for %%f in (%1*.mp4 %1*.avi %1*.mov) do (
	ffmpeg -i %%~f -c:v hevc_nvenc -b:v %bitrate% -map_metadata 0 -preset fast %%~nf%out_file%
	exiftool -tagsFromFile %%~f -extractEmbedded -all:all -FileModifyDate -overwrite_original %%~nf%out_file%
)

https://ffmpeg.org/download.html

https://exiftool.org/