[FFmpeg-user] Need help to find "proper" way to get deinterlaced 1080p30 from lossless and 1080p60 sources.

[Timur Zaripov]

Hi, Carl.

I am not sure about -r 30 myself. From what I had red it may make video
choppy, but what will be better way to ensure 30 fps output?

WBR,
    Timur Zaripov


On 7 December 2013 14:43, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:

> Timur Zaripov <zaript <at> gmail.com> writes:
>
> > Main issue I have is that I can't tell if original sources
> > are interlaced or not
>
> The idet filter can tell you but be careful it is not made
> for telecined input.
>
> > and if they are not, than may be I am just wasting time and
> > resources using -deinterlace option?
>
> The performance hit is one issue, the fact that deinterlacing
> damages your input is second problem.
>
> > Command line I am using to encode looks like this:
> > ffmpeg.exe -i %1 -map 0:0 -c:v libx264 -crf 18
> > -preset slow -pix_fmt yuv420p -deinterlace -r 30
> > -map 0:1 -c:a copy %targetVid%
>
> Try to avoid "-deinterlace", use "-vf yadif" instead.
> (I find the -r 30 suspicious in your command, but
> maybe you know what you are doing.)
>
> Carl Eugen
>
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