#
cd %1
#
SET KEY="HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\mmg.exe"
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FOR /F "tokens=2*" %%A IN ('REG QUERY %KEY%') DO SET MKVTOOLPATH=%%B
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ECHO MKVToolnix found at %MKVTOOLPATH% > fixmkv.txt
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FOR /F "delims=*" %%A IN ('dir /b /s *.MKV') do CALL :MKVFIXMUX "%%A" "%MKVTOOLPATH%"
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START "" fixmkv.txt
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EXIT 0
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:MKVFIXMUX
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"%~dp2mkvmerge.exe" -o "%~dpn1_fix.MKV" --engage keep_bitstream_ar_info -A -S --compression -1:none "%~dpnx1" -D -S --compression -1:none "%~dpnx1" -A -D --compression -1:none "%~dpnx1"
#
if not errorlevel 0 (
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ECHO Failed on %~nx1 remux! >> fixmkv.txt
#
EXIT 1)
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if exist "%~dpn1_fix.MKV" (
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del "%~dpnx1"
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rename "%~dpn1_fix.MKV" "%~nx1")
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ECHO Processing of %~nx1 successful! >> fixmkv.txt
#
EXIT 0