Combine JPEG files to a MPEG file using FFMPEG

convJpeg2Movie.bat

rem @echo off
setlocal ENABLEDELAYEDEXPANSION

set FFMPEG="C:\\asd\\tool\\ffmpeg-20170827-ef0c6d9-win64-static\\bin\\ffmpeg"
set /a FPS = 7

rem set OPTION=-vf vflip
set OPTION = ""

cd /d %~dp1
set /a num = 0

for %%f in (%1\*.jpg) do (
  set /a num = num + 1
  ren %%f !num!.jpg
)

%FFMPEG% -f image2 -r %FPS% -i %1\%%d.jpg -r %FPS% -an -vcodec libx264 -pix_fmt yuv420p %OPTION%  %~n1.mp4

pause