x 8 = 4697620480 bits
323077120 bits (128000 x 2524.04) audio
4697620480
- 323077120 = 4374543360 bits video
4374543360
/ 2524.04 = 1733151.360517266 bits per second video
total bits - (duration * audio bitrate) = duration * video bitrate
a-bc=bd
a=bc+bd
a/b=c+d
total bits / duration = audio bitrate + video bitrate
total bits / duration - audio bitrate = video bitrate
4697620480 / 2524.04 - 128000 = 1733151.360517266
8 bits per byte
(8*1024)/1000 = 8.192 kilobits per kilobyte
(8*1024*1024)/1000/1000 = 8.388608 megabits per megabyte
(8*1024*1024*1024)/1000/1000/1000 = 8.589934592 gigabits per gigabyte
y=1024^x/1000^x
560 megabytes x 8.388608 = 4697.62048 megabits
4697.62048 / 2524.04 - 0.128 = 1.733151361 megabits
ffmpeg -i VTS_01_VOBID_005_1.VOB -pass 1 -passlogfile ffmpeg_dv_tight.log -t 0:42:4.00 -vcodec libxvid -an -f rawvideo -y /dev/null
ffmpeg -i VTS_01_VOBID_005_1.VOB -pass 2 -passlogfile ffmpeg_dv_tight.log -t 0:42:4.00 -vcodec libxvid -vtag xvid -g 300 -mbd 2 -cmp 2 -subcmp 2 -flags +mv4+qpel+ildct+ilme -b 1.733151361m -acodec libmp3lame -ab 128k -y out.avi
overhead = 3044735.999999991
percent = 0.696082%
(100/0.696082)*3,044,735.999999991 = 437,410,534.96570677 bytes = 417.147192922 megabytes
:~$ mediainfo --Inform="General;%Duration/String3%" VIDEO.VOB
00:42:36.000
:~$ ffmpeg -i VIDEO.VOB 2>&1 | tr '\r' '\n' | grep Duration
Duration: 00:42:35.96, start: 0.287267, bitrate: 6066 kb/s
