[FFmpeg-user] Feature improvement request for 'geq' filter to support functions

[Paul B Mahol]

On Mon, Jun 3, 2024 at 8:18 AM Lee Mitchell <npdmailing at gmail.com> wrote:

> Hi.
>
> When I use filter_complex syntax below, I get an error that cannot proceed.
> "-filter_complex
> "[1:v]geq=r='r(X,Y)':a='if(between(t,0,9),alpha(X,Y),0)'[alpha];"
> then
> " Unknown function in 't,0,9),alpha(X,Y),0)'"
> Seems geq filter not support generic function parsing.
>

geq works fine with generic function parsing.

One needs to escape ',' in expressions.


> Please look into it.
>
> Have a good day.
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