how to specify kernel to audiofirfilter from gst-launch-1.0

[Nicolas Dufresne]

Le mercredi 17 janvier 2018 à 09:01 -0800, Charlie Laub a écrit :
> The online documentation for audiofirfilter provides an example of
> how to implement audiofirfilter in code, however, using gst-inspect
> it seems that I should be able to implement it using gst-launch as
> well. The main issue I have encountered is how to specify the kernel.
> The docs say is should be of type GValueArray, however, this may now
> be deprecated and GArray used instead – not sure. For more info, see:
> https://www.freedesktop.org/software/gstreamer-
> sdk/data/docs/2012.5/gobject/gobject-Value-arrays.html
>  
> How can I provide a static array of kernel values when using
> audiofirfilter from gst-launch-1.0?

It's not possible. One would need to add a new property with type
GstValueArray. Support that has property has been added in git master
and is used by rawvideoparse and audiomixmatrix. The syntax is:

  "< value1, value2, ...>"

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