On Tue, 7 Jan 2003, Andrew Stevens wrote:

> Dear Selva,
> 
> > > cat video.m1v | mpeg2dec -o YUVh | yuvscaler -n n -O VCD | mpeg2enc -f 1
> > > -o video_vcd.m1v
> > >
> > > (I've also tried -F 1 -F 4 and -I 1)
> >
> > -I 1 is needed as VCD frames (only 240 vertical lines) are not
> > interlaced. Even otherwise your input appears to be converted film and
> > so progressive to start with (mpeg1 is for progressive video)
> 
> Please try to make sure you really know the answer about before giving 
> advice.   -I 1 is *completely ignored* for MPEG-1 encoding.  It activates 

That was typo ( a missing negative) in my mail -- may be you missed 
my correction mail...

> various MPEG-2 only features.  Even if MPEG-2 were being used it would be 
> nonsense as the half-resolution YUVh format drops the odd fields.
> 
> 
> Andrew
> 



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