yading@10: 
yading@10: 1) Type './configure' to create the configuration. A list of configure
yading@10: options is printed by running 'configure --help'.
yading@10: 
yading@10: 'configure' can be launched from a directory different from the FFmpeg
yading@10: sources to build the objects out of tree. To do this, use an absolute
yading@10: path when launching 'configure', e.g. '/ffmpegdir/ffmpeg/configure'.
yading@10: 
yading@10: 2) Then type 'make' to build FFmpeg. GNU Make 3.81 or later is required.
yading@10: 
yading@10: 3) Type 'make install' to install all binaries and libraries you built.
yading@10: 
yading@10: NOTICE
yading@10: 
yading@10:  - Non system dependencies (e.g. libx264, libvpx) are disabled by default.