avs2pipemod is a modified version of avs2pipe basically only for my purpose. Thanks to Chris Beswick who releases avs2pipe under GPL. source code : https://github.com/chikuzen/avs2pipemod Differences with original * Display total elapsed time. * contents of 'info' * New option 'benchmark'. * New option 'trim'. * New option 'x264raw' * New option 'dumptxt' * 'y4mp', 'y4mt', 'y4mb' and 'rawvideo' options instead of 'video'. * FieldBased input will be corrected to framebased on yuv4mpeg2 output modes. * Colorspace conversion that takes colormatrix and interlace into consideration. * 'wav', 'extwav' and 'rawaudio' option instead of 'audio'. * Convert bit depth function in audio output mode. * Only the compilation with mingw/msys is supported. written by Oka Motofumi