[MPlayer-dev-eng] Nut startcodes

Michael Niedermayer michaelni at gmx.at
Tue Apr 27 15:45:47 CEST 2004


Hi

On Tuesday 27 April 2004 02:27, D Richard Felker III wrote:
> On Tue, Apr 27, 2004 at 12:12:28AM +0200, Michael Niedermayer wrote:
[...]
> > 2. what value should the startcode get? first byte has to be 'N', should
> > the following be stored in the main header? an advantage may be that a
> > smart muxer could choose a code which occures less often in the streams,
> > i suspect that some bit sequences may be quite rare, especally in formats
> > which try to avoid some sequences
>
> If we're going to make it customizable (and IMO we should), then why
> not allow custom length too? Either 2 or 3. Or longer...?
hmm isnt this against the idea of simplicity? what do we gain with variable 
length? we would have files with 2 byte startcodes and some with 3 bytes ...

[...]
-- 
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
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