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

Andy Civil andycivil at gmail.com
Sun Jul 28 04:14:37 CEST 2013


On 2013-07-27 9:07 PM, Carl Eugen Hoyos wrote:
> Andy Civil<andycivil<at>  gmail.com>  writes:
>
>>> -vf scale=720:576:interl=1  ...
>>
>> I was a long hold-out on MEncoder because for years it
>> was the only one that had interlace-aware scaling
>
> Interlace-aware scaling that was part of FFmpeg
> for several years, yes.

It was 2008 that I tried to get FFmpeg to do it, and I was directed to MEncoder.
<http://ffmpeg-users.933282.n4.nabble.com/Can-t-seem-to-shrink-and-preserve-interlacing-td935065.html>


>> Because of the field switch, I don't think I can
>> 'scale direct'.
>
>> Let's face it, even if I thought I was doing it, most
>> likely it would be converted to progressive, scaled,
>> and re-interlaced in the background anyway!
>
> Of course not!
> A simple performance test will tell.

Ha ha - OK I stand corrected.

Thank you for all the help.

--
Andy



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