[gstreamer-bugs] [Bug 637300] [API] request pad based on caps

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=637300
  GStreamer | gstreamer (core) | git

--- Comment #10 from Tim-Philipp Müller <t.i.m at zen.co.uk> 2011-01-02 22:45:13 UTC ---
30-12-2010 11:05h
  tim : wtay, any more thoughts on the dynamic request pad API?
https://bugzilla.gnome.org/show_bug.cgi?id=637300
  tim : you said you changed your mind and prefer another version now? (Which
one was that exactly?)
 wtay : (element, templ, name, caps)
 wtay : an element can then use templ to find out what type of pad (by directly
comparing the pointers)
 wtay : (like it is now)
 wtay : and then create an instance of name and caps
  tim : is it allowed to pass NULL template and NULL name then?
 wtay : I would say no
 wtay : you can pass NULL as the name
  tim : ok
  tim : mind if I paste this into the bug?
 wtay : you can put NULL for caps
 wtay : but you always need to provide a templ
 wtay : (else you don't know the direction)
  tim : right
 wtay : the current gst_element_get_request_pad() is broken
 wtay : it does not let you specify the template
 wtay : it does some crazy stuff to find a template based on what name you
give..
  tim : right
  tim : from a user point of view finding + passing templates is rather
inconvenient though, but that could be solved via utility api I guess
 wtay : a convenience API would be _get_request_pad_full (element,
template_name, name, caps) 
 wtay : shortcut for templ = _get_template (element, template_name);
_get_request_pad (element, templ, name, caps)

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