gource -1920x1080 --key -o - | ffmpeg -analyzeduration 2147483647 -probesize 2147483647 -y -r 60 -f image2pipe -vcodec ppm -i - -vcodec libx264 -preset ultrafast -pix_fmt yuv420p -crf 1 -threads 0 -bf 0 gource.mp4