[MPlayer-users] Bitrate filesize problem (2)

Martin Collins martin at mkcollins.org
Fri Feb 7 20:48:54 CET 2003


On Fri, 07 Feb 2003 09:56:04 -0800
rcooley <rcooley at spamcop.net> wrote:

> Pass-2:
> mencoder -alang en -dvd 1 -lameopts q=9:mode=1 -lavcopts 
> vcodec=mpeg4:vbitrate=526:vhq -oac copy -vop crop=718:432:0:24 -ovc
> lavc -o Apocalypse\ Now.avi
> 
> 
> And I have a file that is far too-small: 586M    Apocalypse Now.avi

The calculation of 526kb/s seems correct.
mencoder says it actually used a bitrate of 418kb/s. This usually
means it didn't need all the bits you gave it to encode "perfectly".
That seems unlikely in this case. What does the output look like?

> I'm using MPlayer 0.90pre6-2.95.3 on OpenBSD 3.2, but I saw the
> EXACT same behavior with 0.90pre8 on FreeBSD 4.7.

Yikes! Get something newer, at least rc3.

Martin



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