[Bug 794837] cannot pass arguments to effects with ges-launch-1.0

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=794837

--- Comment #6 from Antonio Ospite <ao2 at ao2.it> ---
Thank you Thibault.

One last question, the mention to "gst-launch-style pipeline description,
without setting properties" seems correct to some extent, as something like
this indeed works:

  ges-launch-1.0 +test-clip smpte s=0 d=2 +effect "videocrop ! rotate" set-top
20 set-bottom 40 set-angle 10

But what would happen in case of different elements which happen to use the
same name for properties?

For example circle and rotate both have a property called "angle":

  ges-launch-1.0 +test-clip smpte s=0 d=2 +effect "videocrop ! circle ! rotate"
set-top 20 set-bottom 40 set-angle 1 set-angle 1

Is it correct that the property will be set only to the first element in the
pipeline which supports that property name?

I guess in the last example it is better to use multiple effects anyways, isn't
it?

Ciao,
   Antonio

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