[FFmpeg-devel] libavfilter: case of dynamic input/output pads

Nicolas George nicolas.george at normalesup.org
Wed May 1 11:22:30 CEST 2013

Le primidi 11 floréal, an CCXXI, Paul B Mahol a écrit :
> Currently is seems not possible to write filter that will create n'th outputs
> depending on input format.
> If I add output pads in .config_input i get segv somewhere in code.

Since the number and type of inputs and outputs is necessary to build the
graph, and the graph must be build before the format is negotiated, this is
clearly not currently possible.

I see no way around it, but that does not mean it is not possible to make it
work somehow.


  Nicolas George
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