[NUT-devel] [nut]: r632 - docs/nut.txt

[Rich Felker]

On Thu, Feb 14, 2008 at 01:34:57AM +0000, Måns Rullgård wrote:
> >> > What is the 'codec'? I like '1 picture' better.
> >> 
> >> How do you count field pictures?
> >
> > It's a good question. Is there a way to indicate that raw video is
> > interleaved fields and not frames? Michael?
> 
> There are (at least) three cases to consider:
> 
> 1. Progressive frame pictures.
> 2. Interlaced frame pictures containing interleaved fields.
> 3. Field pictures containing only odd or even lines.
> 
> For case 2, the field order must somehow be signalled.
> 
> I've never heard of anything using more than two fields per frame, and
> I hope I never will.

Indeed, I can't envision someone creating NEW evil forms of
interlacing, just struggling to hold onto the existing ones for
irrational reasons...

Rich