Robuta

https://ffmpeg.org/doxygen/8.0/vf__vflip_8c_source.html FFmpeg: libavfilter/vf_vflip.c Source File ffmpeg vf c file https://ayosec.github.io/ffmpeg-filters-docs/2.3/Filters/Video/vflip.html vflip - FFmpeg 2.3.6 / Filters / Video ffmpeg filters video