[FFmpeg-user] ntsc-dvd doesn't default to interlaced.

[Andy Civil]

On 2013-07-27 10:40 PM, Carl Eugen Hoyos wrote:
> Andy Civil<andycivil<at>  gmail.com>  writes:
>
>> Because it's being scaled, some lines will be
>> directly taken from the input, some will be
>> guesses, depending on how they fall, no?
>
> That would not even be true for non-interlaced-aware
> scaling afaict (and I suspect not even for a "simple"
> implementation), and it is of course not true for
> the interlace-aware scaling that FFmpeg provides.
>
> (The idea is to scale two half-resolution images to
> half the resolution of the output image.)

I suspect that it's my attempt to describe the process which is actually at 
fault; but in any case your time is too valuable for me to waste it arguing...

--
Andy