@echo off

SetLocal DisableDelayedExpansion
echo.
echo.
echo Which PATH to your muxing files?
echo.
set /P mux_path=M2V ^& DAT path: %=%
if not "%mux_path:~-1%"=="\" set "mux_path=%mux_path%\"
echo.
echo.
echo Where would you like to store your output PSS files?
echo.
set /P pss_path=PSS output: %=%
if not "%pss_path:~-1%"=="\" set "pss_path=%pss_path%\"
echo.
echo.

:start
for %%i in ("%mux_path%*.m2v") do (
call:pssmux %%~nxi %%~ni
)
goto end

:pssmux
chcp 1251 >nul
set "filename=%~2"
echo pss>>tmp.txt
echo. >>tmp.txt
echo stream data:0>>tmp.txt
echo input "%mux_path%%filename:~0,-8%_data_0.dat">>tmp.txt
echo rate 25200>>tmp.txt
echo end>>tmp.txt
echo. >>tmp.txt
echo stream data:1>>tmp.txt
echo input "%mux_path%%filename:~0,-8%_data_1.dat">>tmp.txt
echo rate 25200>>tmp.txt
echo end>>tmp.txt
echo. >>tmp.txt
echo stream data:2>>tmp.txt
echo input "%mux_path%%filename:~0,-8%_data_2.dat">>tmp.txt
echo rate 25200>>tmp.txt
echo end>>tmp.txt
echo. >>tmp.txt
echo stream data:3>>tmp.txt
echo input "%mux_path%%filename:~0,-8%_data_3.dat">>tmp.txt
echo rate 25200>>tmp.txt
echo end>>tmp.txt
echo. >>tmp.txt
echo stream data:4>>tmp.txt
echo input "%mux_path%%filename:~0,-8%_data_4.dat">>tmp.txt
echo rate 25200>>tmp.txt
echo end>>tmp.txt
echo. >>tmp.txt
echo stream video:0>>tmp.txt
echo input "%mux_path%%~1">>tmp.txt
echo stream_start_delay 2500>>tmp.txt
echo end>>tmp.txt
echo end>>tmp.txt
echo.
chcp 866 >nul

move tmp.txt %~2.mux && start /wait ps2str m %~2.mux -o -v && move %~2.pss "%pss_path%"
del %~2.mux
Exit /b

:end
EndLocal