transcodeeverythingv2.bat

transcode everything ffmpeg normalize #5000

@echo off
setlocal enabledelayedexpansion

SET FFMAPS=
SET FPSFILTER=

:: Check if the file has a video stream
ffmpeg -v error -i "%1" -vframes 1 -map 0:v -f null - >nul 2>&1
if %ERRORLEVEL%==0 (
    SET FFMAPS=!FFMAPS! -map 0:v
    echo Video stream detected. FFMAPS: !FFMAPS!
	::TODO: SET FPS FILTER ONLY FOR VFR MATERIAL? Basically we want to avoid issues with vfr at the transcoder
	SET FPSFILTER=-vf fps=50

) else (
	echo Video found
)

:: Check for up to 16 audio streams (0:a:0 to 0:a:15)
:: This checks if the stream can be actually decoded, ffmpeg can easily fail with map 0:a or similar, initiator for this was iphone 16 spatial apac audio
for /L %%i in (0,1,15) do (
    ffmpeg -loglevel quiet -i "%1" -t 0.1 -map 0:a:%%i -f null - 2>&1 > nul
	
    if !ERRORLEVEL!==0 (
        SET FFMAPS=!FFMAPS! -map 0:a:%%i
        echo Audio %%i stream detected. FFMAPS: !FFMAPS!
    ) else (
        echo Audio %%i stream not found.
		goto :transcode
    )
)


:transcode
echo Proceeding with transcoding...

if "!FFMAPS!"=="" (
    echo No audio or video streams detected. 
    goto endwitherror
)

SET FFCMD=ffmpeg -y -i %1 -vcodec mjpeg -pix_fmt yuvj422p -vb 200M -vsync cfr -g 1 -acodec pcm_s24le !FFMAPS! !FPSFILTER! -aspect 16:9 %1.avi
echo !FFCMD!
!FFCMD!
goto endsuccess

:endsuccess
echo "All Finished with success"
exit /b 0

:endwidtherror
pause
exit /b 1