[FFmpeg-user] Filter complex problem

[Paul B Mahol]

On 12/5/13, JULIAN GARDNER <joolzg at btinternet.com> wrote:
> I have this filter
>
> -filter_complex '[0:#$dvbsPid] scale=1280:720 [sub],[0:v][sub] overlay'
>
> which is taking in a known 1280:720 video, resizing the dvb subtitles to
> 1280:720 and overlaying the 2.
>
> PROBLEM
> I dont want to have this 1280:720 fixed, what i would like is to be able to
> use some form of [0:v]:iw:[0:v];ih, but this does not work

How? What you tried?

>
> So is there a way of getting the [0:v] inputs width and height to i can
> change the filter to be a generic filter
>
> joolz
>
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