[MPlayer-dev-eng] Re: -of mpeg

[Michael Niedermayer]

Hi

On Tuesday 21 October 2003 14:54, Andriy N. Gritsenko wrote:
>     Hi, Michael Niedermayer!
>
> Sometime (on Tuesday, October 21 at 15:28) I've received something...
>
> >> >Tuesday Oct 21 13:15:50 +0200 2003 Michael Niedermayer
> >> > <michaelni at gmx.at>
> >
> >wrote:
> >> >> mpeg2 standard:
> >> >> ----
> >> >> If  progressive_sequence  is  equal  to  '1',  this  flag,   combined
> >> >> with repeat_first_field, indicates  how  many  times  (one,  two  or
> >> >> three)  the reconstructed frame is output by the decoding process.
> >> >> ----
> >>
> >>     Michael, is that about system stream or about video stream? If it's
> >> about system stream then could you send me the document or URL?
> >
> >video stream, but its probably quite simple to patch it during muxing
>
>     I'm against it, muxer don't have any rights to edit streams but only
> compose them into output file. I think other way is just a hack and I
> don't like hacks. :)
yes, but the whole frame duplication is a hack, as the duration the frames are 
shown and consequently their PTS is incorrect, its like nearest neighbor 
scaling

[...]
-- 
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