[MPlayer-dev-eng] Re: divx2svcd-0.5.1

Michael Niedermayer michaelni at gmx.at
Mon Apr 26 21:24:03 CEST 2004


Hi

On Monday 26 April 2004 21:10, Nico Sabbi wrote:
> Andriy N. Gritsenko wrote:
> >    Hi, Nico Sabbi!
> >
> >Sometime (on Monday, April 26 at 19:49) I've received something...
> >
> >>>>b) it video is mpeg2 it would be nice to set  correctly the mpeg1_mpeg2
> >>>>bit, to make some programs like replex happy
> >>>
> >>>  This may be good thing. Another thing may be changing default stream
> >>>rate if stream is mpeg2.
> >>
> >>yes, and maybe disabling those  rate compliance flags in the system
> >> header
> >
> >    Which ones exactly?
>
> CSPS, packet_rate_restriction, system_video_lock, pstd_buffer_size_bound
> maybe no programs ever uses these fields, but setting them correctly
> (considering
> that lavc doesn't follow any bitrate/buffer constraint)  doesn't hurt
lavc tries to follow what u specify, see TFM, allthough lavc is not perfect at 
CBR, and CBR is not default

btw, improving CBR and ratecontrol in lavc is near the top of my todo list 

[...]
-- 
Michael
level[i]= get_vlc(); i+=get_vlc();		(violates patent EP0266049)
median(mv[y-1][x], mv[y][x-1], mv[y+1][x+1]);	(violates patent #5,905,535)
buf[i]= qp - buf[i-1];				(violates patent #?)
for more examples, see http://mplayerhq.hu/~michael/patent.html
stop it, see http://petition.eurolinux.org & http://petition.ffii.org/eubsa/en




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