[FFmpeg-user] calculating size of encoded video

[John Saturday]

PP: Corrections of your example...

ffmpeg.exe -vsync 2 -async 1 -i D:\XXX.mov -f mp4 -c:v libx264 -b:v
400k -r:v 30/1.001 -s:v 320x240 -c:a libmp3lame -b:a 128k -ar:a 48k
../output.mp4