windows-scripts/video-concat.cmd

@echo off
chcp 65001
setlocal enableextensions enabledelayedexpansion

set SRCPATH=%~1
if not defined SRCPATH call :PRINT_USAGE

set DESTPATH=%~2
if not defined DESTPATH set DESTPATH=%cd%.

set SRCFILEMASK=%~3
if not defined SRCFILEMASK set SRCFILEMASK="\b*"

set PROCS="%~dp0procs.cmd"

if not exist "%SRCPATH%" call %PROCS% DIR_ERROR
if not exist "%DESTPATH%" ( md "%DESTPATH%" || exit /b )

for %%I in ( "%SRCPATH%." ) do set "FFCONCATFILENAME=%%~nxI.ffconcat"

@echo.ffconcat version 1.0>"%DESTPATH%\%FFCONCATFILENAME%" &&^
for /f "usebackq tokens=* delims=" %%I in ( `dir /b /s /a:-d "%SRCPATH%\*" 2^>NUL ^| find /I "%SRCFILEMASK%" 2^>NUL` ) do (
	set FN=%%I
	@echo.file !FN:\=\\!>>%DESTPATH%\%FFCONCATFILENAME%
)

echo.Ready. File "%DESTPATH%\%FFCONCATFILENAME%" saved.

set OUTFILEPREFIX=%~3
if not defined OUTFILEPREFIX for %%I in ( %SRCFILE% ) do set "OUTFILEPREFIX=%%~nI"

for /f "usebackq tokens=* delims=" %%I in ( `call %PROCS% NEWDATENAME %OUTFILEPREFIX%` ) do set "OUTFILENAME=%%I.mp4"

set "ffmpeg=e:\Work\video\bin\ffmpeg\ffmpeg.exe"

set "x264opts=colorprim=bt709:transfer=bt709:colormatrix=bt709:fullrange=off:analyse=0x3,0x133"

%ffmpeg% -y -fflags +genpts  -f concat -safe 0 -i "%DESTPATH%\%FFCONCATFILENAME%" -map 0:0 -c:v libx264 -crf:v 21 -level:v 4.1 -profile:v high422 -tune:v film -preset:v fast ^
-maxrate:v 1000k -bufsize:v 2000k -threads 0 -f mp4 -pix_fmt yuv422p -metadata title=%OUTFILEPREFIX% ^
-map 0:1 -c:a aac -q:a 2 -ac 1 -ar 22050 ^
-x264opts %x264opts% -x264-params %x264opts% %DESTPATH%\%OUTFILENAME%

::-map 0:1 -c:a libfdk_aac -profile:a aac_he_v2 -afterburner 1 -signaling explicit_sbr -vbr 5 -ac 2 -ar 44100 ^

echo.Ready. File "%DESTPATH%\%OUTFILENAME%" saved.
echo.&pause&goto:eof

:PRINT_USAGE
   echo:
   echo USAGE:
   echo %~nx0 ^<source^> [destination] [outfile prefix title]
exit /b !ERRORLEVEL!