3DS Video Convert

@echo off
title 3DS Video Convertor

echo What type of video are you converting?
echo.
echo 1) 3D - Left/Right
echo 2) 3D - Top/Bottom
echo 3) 2D Video
echo.
set /p videoType=

if %videoType%==1 goto ss
if %videoType%==2 goto tb
if %videoType%==3 goto 2d

:ss
echo.
echo What is the EXACT name of the video (including extension)?
echo.
set /p videoName=
echo.

ffmpeg -y -i "%videoName%" -s 800x240 -aspect 2:1 -r 20 -vcodec mjpeg -qscale 1 -vf crop=400:240:0:0 -acodec libmp3lame -ar 44100 -ab 96k -ac 2 "left.avi"
ffmpeg -y -i "%videoName%" -s 800x240 -aspect 2:1 -r 20 -vcodec mjpeg -qscale 1 -vf crop=400:240:400:0 -an "right.avi"
ffmpeg -y -i "left.avi" -i "right.avi" -vcodec copy -acodec adpcm_ima_wav -ac 2 -vcodec copy -map 0:0 -map 0:1 -map 1:0 "VID_0001.AVI"

erase left.avi
erase right.avi
goto end

:tb
echo.
echo What is the EXACT name of the video? (Including extension)
echo.
set /p videoName=
echo.

ffmpeg -y -i "%videoName%" -s 400x480 -aspect 2:1 -r 20 -vcodec mjpeg -qscale 1 -vf crop=400:240:0:0 -acodec libmp3lame -ar 44100 -ab 96k -ac 2 "left.avi"
ffmpeg -y -i "%videoName%" -s 400x480 -aspect 2:1 -r 20 -vcodec mjpeg -qscale 1 -vf crop=400:240:0:240 -an "right.avi"
ffmpeg -y -i "left.avi" -i "right.avi" -vcodec copy -acodec adpcm_ima_wav -ac 2 -vcodec copy -map 0:0 -map 0:1 -map 1:0 "VID_0001.AVI"

erase left.avi
erase right.avi
goto end

:2d
echo.
echo What is the EXACT name of the video? (Including extension)
echo.
set /p videoName=
echo.

ffmpeg -i "%videoName%" -s 400x240 -aspect 2:1 -r 20 -vcodec mjpeg -qscale 1 -acodec adpcm_ima_wav -ac 2 "VID_0001.AVI"

goto end

:end
exit