ffmpeg.exe -isync -i E:\Trailer\hd_thx_amazing_life.mkv -vcodec libx264 -r 25 -threads 0 -vb 1000k -minrate 900k -maxrate 1100k -bufsize 2000k -s1280x720 -bt 5k -deinterlace -acodec libvo_aacenc -ab 128k -ar 44100 -ac 2 -async 50 -fpre ./.ffmpeg/libx264-medium.ffpreset -f flv "rtmp://live.justin.tv:1935/app/xxx flashver=FMLE/3.0\20(compatible;\20FMSc/1.0)"