Audio with picture and waveform display for YouTube

youtube-audio-still-multi.bat

@ECHO OFF
cd %~dp0
for /f "eol=: delims=" %%F in ('dir /b /a-d *.flac ^| findstr /vixc:"%~nx0"') do ( ffmpeg.exe -i "%%F" -loop 1 -i Folder.jpg -filter_complex "[1]scale=-1:1080,pad=1920:1080:(ow-iw)/2:(oh-ih)/2[v]" -map "[v]" -map 0:a -c:a copy -c:v libx264 -movflags +faststart -strict -2 -shortest "%%F.mkv" )
@PAUSE

youtube-audio-still.bat

@ECHO OFF
cd %~dp0
ffmpeg.exe -i "%~1" -loop 1 -i Folder.jpg -filter_complex "[1]scale=-1:1080,pad=1920:1080:(ow-iw)/2:(oh-ih)/2[v]" -map "[v]" -map 0:a -c:a copy -c:v libx264 -movflags +faststart -strict -2 -shortest "%~n1.mkv"
@PAUSE

youtube-audio-waveform-multi.bat

@ECHO OFF
cd %~dp0
for /f "eol=: delims=" %%F in ('dir /b /a-d *.flac ^| findstr /vixc:"%~nx0"') do ( ffmpeg.exe -i "%%F" -i Folder.jpg -filter_complex "[1]scale=-1:1080,pad=1920:1080:(ow-iw)/2:(oh-ih)/2[SCALED];[0:a]showwaves=s=1920x1080:mode=line:colors=red|blue[SHOWEDWAVES];[SCALED][SHOWEDWAVES]overlay=(W-w):(H-h):format=auto,format=yuv420p[v]" -map "[v]" -map 0:a -c:a copy -c:v libx264 -movflags +faststart "%%F.mkv" )
@PAUSE

youtube-audio-waveform.bat

@ECHO OFF
cd %~dp0
ffmpeg.exe -i "%~1" -i Folder.jpg -filter_complex "[1]scale=-1:1080,pad=1920:1080:(ow-iw)/2:(oh-ih)/2[SCALED];[0:a]showwaves=s=1920x1080:mode=line:colors=red|blue[SHOWEDWAVES];[SCALED][SHOWEDWAVES]overlay=(W-w):(H-h):format=auto,format=yuv420p[v]" -map "[v]" -map 0:a -c:a copy -c:v libx264 -movflags +faststart "%~n1.mkv"
@PAUSE