anchor.diff:  )
   
   rem Download the source and check the SHA256
  +cd %SRC_DIR%
   curl -L -O "https://ffmpeg.zeranoe.com/builds/win%ARCH%/dev/%FFMPEG_FN%-dev.zip"
   openssl dgst -sha256 -out sha256.out %FFMPEG_FN%-dev.zip
   SET /p DOWNLOADED_SHA256=<sha256.out
  
positive.code:     exit 1
  )
  
  rem Extract the archives
  7za x %SRC_DIR%\%FFMPEG_FN%-shared.zip -o%SRC_DIR%
  7za x %FFMPEG_FN%-dev.zip -o%SRC_DIR%
  
  rem Copy over the bin, include and lib dirs
  robocopy %SRC_DIR%\%FFMPEG_FN%-shared\bin\ %LIBRARY_BIN%\ *.* /E
  if %ERRORLEVEL% GEQ 8 exit 1
  
  robocopy %SRC_DIR%\%FFMPEG_FN%-dev\include\ %LIBRARY_INC%\ *.* /E
  
negative.code: if %ERRORLEVEL% GEQ 8 exit 1
  
  rem Add the licences to the recipe directory
  copy "%SRC_DIR%\README.txt" "%RECIPE_DIR%"
  mkdir "%RECIPE_DIR%\licenses"
  copy "%SRC_DIR%\licenses" "%RECIPE_DIR%\licenses"
  
  exit 0
  