@echo off
setlocal
REM VideoTools helper: AV1 1080p balanced encode (keeps audio/subs/metadata)
REM Usage: convert-av1-1080p-vt.bat "input.ext" "output.mkv"

if "%~1"=="" (
  echo Usage: %~nx0 "input.ext" "output.mkv"
  exit /b 1
)

set INPUT=%~1
set OUTPUT=%~2
if "%OUTPUT%"=="" (
  REM auto-name
  set OUTPUT=%~dpn1-av1-1080p.mkv
)

ffmpeg -y -hide_banner -loglevel error ^
  -i "%INPUT%" ^
  -map 0 ^
  -c:v libaom-av1 -b:v 1400k -cpu-used 4 -row-mt 1 -pix_fmt yuv420p ^
  -c:a copy -c:s copy -c:d copy ^
  "%OUTPUT%"

if %ERRORLEVEL% equ 0 (
  echo Done: "%OUTPUT%"
) else (
  echo Encode failed. Check above ffmpeg output.
)
endlocal