[MEncoder-users] Making an AVI which delcares itself to be interlaced

[Grozdan Nikolov (openSUSE Linux)]

On Saturday 22 March 2008 00:31, Andy Civil wrote:
> Grozdan Nikolov (openSUSE Linux) wrote:
> > Since you're already dealing with interlaced content, you don't need
> > interlace filters. Those are only useful if your content is progressive,
> > which yours isn't. So in your case, just enable interlace-aware software
> > scaler and turn on interlace-aware mode in Xvid with the interlacing
> > option... then just encode... your options could look like this:
> >
> > -vf scale=720:480:1,harddup -ovc xvid -xvidencopts
> > bitrate=100000:interlacing:trellis:chroma_me:max_bframes=2  .......
>
> I don't know if you intended me to remove the other xvidenc opts...

no, I didn't. It was an example...

> I'm 
> trying it without. I assume me_quality=6 was the motion estimation quality?
> Why would I not need that? I guess it uses more CPU time for better ME? I
> also noticed that my GOP was 300 which might explain why seeking was so
> slow - I'm trying max_key_interval=20. I also noticed that whereas
> previously I had two p-frames for each b-frame, and now I have one p-frame
> for each b-frame - I don't know what changed that, or whether it matters.
>
> Anyway, the point is, I still don't see TFF or BFF set. (I don't know if
> it's a property of the container or the datastream, but in either case,
> gspot doesn't report it, so I'm assuming that when I import this stuff into
> my video studio program, I will still need to tell it manually that it's
> field-B.)

maybe MEncoder doesn't export/set the TFF/BFF information and that's why you 
don't see it in the Windows program

>
> Thanks for your help. Any other ideas?

-- 
Regards