I am not sure I am following all of the information you are exchanging, but I have understood that the best alternative within the context of just using the ffmpeg.exe application and some configuration of the StereoTools filter options is my best bet.

Thanks to both of you for your suggestions.

On 2023-01-01 10:20, Paul B Mahol wrote:


        Use ffmpeg's stereotools filter with asendcmd. Supports
        runtime changing of parameters.



    Thanks for suggestion! Yes, fully automatic panning on variable
    length clips probably not easy to automate in CinGG
    (even in bath mode). But I opened said filter (stereotools) and
    apparently I can set cingg plugin keyframes for its internal
    parameters ..

    I do not think we have timeline support for ff filters, but does
    this system offer any advantage in our case?



 Timeline and runtime changeable parameters are different things, they are not same.

Timeline just disables/bypass processing in certain time frames. While runtime parameters can be changed at any time frame. But parameters can also be slowly interpolated so that no artifacts appear upon changes.
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