@echo off
set binpath=%~dp0
if not exist "%binpath%\ffmpeg.exe" echo ffmpeg not found. exiting... & echo. & pause & exit 1
:do
if [%1]==[] goto noarg
cd %1
for /f "delims=" %%a in ('dir /b *.mkv *.avi *.mp4') do (
  :: speed 0.6x
  "%binpath%\ffmpeg.exe" -hwaccel_output_format cuda -i "%%a" -c:v libsvtav1 -preset 6 -crf 30 "%%~dpna[AV1].mkv"
  IF %ERRORLEVEL% NEQ 0 pause
:: speed 0.1x
::  "%binpath%\ffmpeg.exe" -hwaccel_output_format cuda -i "%%a" -c:v libaom-av1 -preset 2 -crf 30 "%%~dpna[AV1].mkv"
::  IF %ERRORLEVEL% NEQ 0 pause
::  "%binpath%\ffmpeg.exe" -hwaccel cuda -hwaccel_output_format cuda -i "%%a" -c:v hevc_nvenc "%%~dpna[HEVC].mkv"
::  IF %ERRORLEVEL% NEQ 0 pause
	echo %%a OK
)
shift /1
if [%1] NEQ [] goto do
exit 0

:noarg
echo Usage: %~nx0 "folder containig videos to convert"
echo.
pause
exit