[MEncoder-users] new doom9 codec comparission

[Rich Felker]

On Fri, Dec 02, 2005 at 06:58:10PM -0800, Corey Hickey wrote:
> This is a status update and an inventory of what must be done.
> 
> ------------------------------------------------------------------------
> 1. mencoder binaries for windows.
> Doom9's usual binaries are at:
> http://www.aziendeassociate.it/cd.asp?dir=/mplayer
> The latest on that page are from 2005-11-23, and there is an
> athlon64-specific build. Probably these are suitable. I can't test the
> athlon64 build, so if anybody with access to an athlon64 windows box can
> test it that would be helpful.
> 
> ------------------------------------------------------------------------
> 2. mpeg4 encoding commands for The Matrix.
> This will end up being something like:
> --
> for i in $1 $2 ; do
>   mencoder ~/dumpstream/matrix.vob -aid 128 -oac copy \
>   -vf crop=718:356:0:60,scale=640:272 -ovc lavc -lavcopts \
>   vcodec=mpeg4:threads=2:vbitrate=581:vratetol=1000:1:mbd=2:mv0:trell:\
                 ^^^^^^^^^

multithreaded decoding is known to reduce psnr, albeit only very
slightly. is it really worth it? imo tests should be on single-cpu
anyway for fairness.

rich