Re: Re: avoiding jagged lines on mp2

On Fri, 28 Apr 2006, herve.flores wrote:
> >>> There is a way to avoid it ?
> >> yes, use a progressive camera to shoot, like some very expensive HD
> >> camera
not an option, I have about 30 miniDV cassettes shooted ....

> >> seriously, you have an interlaced input and you complain about an
> >> interlaced output
> >> then you want to suppress half of the informations of your input but
> >> without loosing quality...
> >  Actually deinteralcing this is not needed at all. As it was  
> > suggested all that's needed is explicitly tell ffmpeg that input
> > is interlaced by  using
> > -ilme and -ildct options. The jagged lines most probably come from
> > some "inconsistency" between DV-AVI and MPEG-2.

1. I have tried this suggestion, but i did not found any noticeable
differency.
2. I found the very same problem on a different movie, shooted with a
different camera, transcoded on a different computer with a different
program on a different OS (U-lead DV-editor on win2k)

> a mistake with order of fields will cause you a headache (because  
> you'll see fields in this order: 2-1-4-3-6-5-...)
> but you can't see fields on TV (if theinput is PAL and the encoding  
> is in PAL too, and whitout scaling)
> did you see "jagged lines due to interlacing" on computer (=normal)?  
> or in TV (=problem of size of input and output)?

I have not yet watched the movie on a TV, only on a computer LCD
screen (60 Hz not interlaced). The movies are PAL without scaling
I hope to be able to do tomorrow (if i manage to fix a malfunctionind
topbox DVD player)