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

[D Richard Felker III]

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.

AFAIK it's often wrong, or at least that's what Billy Biggs seems to
say. He's researched DVD stuff quite a bit, so unless I misunderstood
what he was saying, I don't think you can use these flags to reliably
determine anything.

Rich