[FFmpeg-user] best way to transform SD to HD w/ pillarbox and yadif

[William Caulfield]

On Thu, Jul 18, 2019 at 3:13 PM Kieran O Leary <kieran.o.leary at gmail.com>
wrote:

> On Thu, 18 Jul 2019, 21:25 William Caulfield, <
> william.caulfield at contentbridge.tv> wrote:
>
> > I hope I'm getting your intention right here. I had to do this a while
> back
> > for some PAL files. Split the fields, scale, pad, then interlace.
> >
> > -filter_complex
> >
> "yadif=1:0,scale=1440:1080,pad=1920:1080:240:0:black,interlace,setdar=16/9"
> >
>
> What is the 1:0 doing in the yadif call, is it "splitting the fields"? Is
> it invoking the "send_field" flag and only sending one set of fields to the
> next part of the chain?
>
> Best,
>
> Kieran
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yadif mode 1 :  Output one frame for each field
parity 0 : assume TFF

I believe that it's turning the two fields into two frames. The frames are
scaled and then interlaced (re-interlaced?)