c_gst_pad_add_probe

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
gulong function(GstPad* pad, GstPadProbeType mask, GstPadProbeCallback callback, void* userData, GDestroyNotify destroyData) c_gst_pad_add_probe;

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