On Sun, 4 Jan 2004 [EMAIL PROTECTED] wrote:
> I am encoding from a 672x272 AVI movie.
Ah, ok.
> > Ah, I see the "-vf expand :504" in the mplayer command. Why is that
> > present? Perhaps if that was left out things would work better.
>
> It adds black borders at the top and bottom of the video, bringing the
I think that is what the '-I matte=' option of y4mscaler is for.
> the frame size to 672x504, which gives an aspect ratio of 4:3. Omitting
> the expansion from mplayer does not help y4mscaler.
I didn't see the 672x272 (and thought perhaps you were coming from
a DVD).
> mplayer also hard codes a subtitle stream into the video stream. It is
> being put at the bottom black border.
What happens if you expand to just 480 instead of 504? That would
give a size of 640x480 which is also 4/3 and is a NTSC frame size.
> > Is the data really progressive? If so then the 'interlace: none'
> > is correct.
>
> Yes, it is progressive.
Ok - was curious about that because that is one of the things that
is often not set up right in the yuv4mpeg header.
> > > Adding the option "-I norm=NTSC" to the y4mscaler command line does
> > > not help (the error message is the same from y4mscaler).
>
> Where can I ask about it?
Right here - the author of y4mscaler hangs out here on occasion ;)
Cheers,
Steven Schultz
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