Gilles <codecomplete <at> free.fr> writes: > ffmpeg -i input.mpg -ss 0 -t 30 -c:v libx264 > -vf scale=iw/2:-1 -preset faster -c:a copy output.mpg I already tried to comment that I cannot see a bug in FFmpeg with this command line, do you have any reason to disagree? Carl Eugen