Windows Batch file for converting supported video files to MP4 quickly using ffmpeg (without re-encoding). Useful for converting OBS FLV files to MP4.

quick-convert.bat

@echo off
rem Windows Batch file for converting supported video files to MP4 quickly
rem using ffmpeg (without re-encoding). Useful for converting OBS FLV to MP4
rem
rem Recommended directory structure for OBS recordings:
rem
rem OBS Recordings
rem |-- unconverted
rem     `-- (Configure OBS to save FLVs to this folder)
rem |-- converted
rem     `-- (Converted FLVs will be moved here - delete these if you want)
rem `-- out-mp4
rem     `-- (MP4 versions of the FLVs will be outputted here)

echo quick XXX to mp4 converter using ffmpeg
echo written by: https://github.com/seandewar
echo ========================================

set indir=.\unconverted
set outdir=.\converted
set mp4outdir=.\out-mp4

echo indir=%indir%
echo outdir=%outdir%
echo mp4outdir=%mp4outdir%
echo.

for %%f in (%indir%\*) do (
  echo converting %%f ...
  ffmpeg -v level+warning -stats -i "%%f" -c copy -copyts "%mp4outdir%\%%~nxf.mp4" -y
  mkdir "%outdir%" 2>nul
  move "%%f" "%outdir%\%%~nxf" >nul
)