Request pads names

[Tim Müller]

On Thu, 2015-04-30 at 10:21 +0200, Sérgio Agostinho wrote:

Hi Sérgio,

> Come on guys, somebody must have faced this problem before. Is it
> possible to do what I've mentioned.?

Yes, this should be possible, just like you do, simply pass the template
and the name you want. Whether this actually works or not depends a bit
on the element in question. In tee's case this seems to have been fixed
somewhere after 1.2 so it only works in version 1.4 or later:

http://cgit.freedesktop.org/gstreamer/gstreamer/tree/plugins/elements/gsttee.c#n346

http://cgit.freedesktop.org/gstreamer/gstreamer/commit/plugins/elements/gsttee.c?id=24a3102b2149663e1ba93c66b033ffb623832852

 Cheers
  -Tim

> 
> 2015-04-28 11:05 GMT+02:00 Sérgio Agostinho
> <sergio.r.agostinho at gmail.com>:
>         Hi everyone, 
>         
>         
>         Normally when you request a pad from a tee, you specify the
>         name of the template 'src_%u' and then a new pads gets created
>         with a name
>         
>         
>         src_0
>         src_1
>         src_2 
>         etc...
>         
>         
>         This time I was trying to specify the name of the pad myself,
>         i.e. I wanted the first request pad created to be named
>         'src_1', the second one 'src_11', etc....
>         
>         
>         Is this possible? If so, how do I achieve this? 
>         
>         
>         I've listed below all my unsuccessful attempts so far:
>         
>         
>         1 - 
>         gst_element_get_request_pad(tee, "src_1");
>         
>         
>         2 - 
>         tmpl = gst_element_class_get_pad_template
>         (GST_ELEMENT_GET_CLASS (tee), "src_%u");
>         gst_element_request_pad(tee, tmpl, "src_1", NULL);
>         
>         
>         3 - 
>         tmpl_gen = gst_element_class_get_pad_template
>         (GST_ELEMENT_GET_CLASS (tee), "src_%u");
>         caps = gst_pad_template_get_caps(tmpl_gen);
>         tmpl =
>         gst_pad_template_new(s,GST_PAD_TEMPLATE_DIRECTION(tmpl_gen), GST_PAD_TEMPLATE_PRESENCE(tmpl_gen), caps);
>         gst_element_request_pad(tee, tmpl, "src_1", NULL);
>         
>         
>         
>         
>         Cheers, 
>         Sérgio
> 
> 
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-- 
Tim Müller, Centricular Ltd - http://www.centricular.com