The detail console output /opt/ffmpeggit/bin/ffmpeg -i test.mp4 -vf " split, overlay=0:H/2 crop=iw:ih/2:0:ih/2, vflip " output.mp4įfmpeg version N-51433-g551f683 Copyright (c) 2000-2013 the FFmpeg developersīuilt on 10:01:04 with gcc 4.4.5 (Debian 4.4.5-8)Ĭonfiguration: -prefix=/opt/ffmpeggit -enable-static -disable-shared -enable-gpl -enable-version3 -enable-nonfree -enable-fontconfig -enable-libass -enable-libfreetype -enable-swscale -enable-postproc -enable-pthreads -enable-libfaac -enable-libopencore-amrnb -enable-libopencore-amrwb -enable-libmp3lame -enable-libopenjpeg -enable-libvorbis -enable-libvpx -enable-libx264 -enable-libxvid -extra-cflags=-I/opt/custom/include -extra-ldflags=-L/opt/custom/lib The complex filter graph example at: , use the command line "ffmpeg -i input -vf " split, overlay=0:H/2 crop=iw:ih/2:0:ih/2, vflip " output", I can't get the effect in document says "The result will be that in output the top half of the video is mirrored onto the bottom half.
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