https://blog.faceutil.com/2017/03/13/virtualdub-%eb%b2%84%ec%b6%94%ec%96%bc%eb%8d%a5%ec%97%90%ec%84%9c-vfw%eb%a5%bc-%ec%9a%94%ea%b5%ac%ed%95%a0-%eb%95%8c-%e3%83%b2/