[MPlayer-users] Re: show interlaced/progressive info..

[D Richard Felker III]

On Sun, Nov 16, 2003 at 05:04:52PM +0200, Pasi Kärkkäinen wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> On Sun, Nov 16, 2003 at 12:36:52PM +0100, Tobias Diedrich wrote:
> > [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> > D Richard Felker III wrote:
> > 
> > > > for example flaskmpeg (under windows) shows this.. and other tools too.
> > > 
> > > By decoding the video and guessing. Not acceptable.
> > 
> > For mpeg it should be possible to decide whether or not it has been
> > encoded as interlaced based on the picture flags AFAICS.  Of course
> > that does not really say anything about the actual interlacing, but I
> > wonder if this is what the poster meant.
> > 
> 
> Yep, that's what I meant. 
> 
> You should also be able to get this information from some avi's too.. at
> least DV avi's are usually interlaced?

AVI definitely has no such information. Maybe DV avis are "often"
interlaced, but someone serious about DV should get a progressive scan
DV cam, especially if they intend to transfer video to other formats.
It would be bad to ever assume interlaced...

Rich