how get audio track sample rate,

[Tim Müller]

On Fri, 2017-02-10 at 08:48 +0000, zare laky wrote:

Hi,

> I want to know, how to get audio track sample rate, when
> pipeline  constructing, such as get it when 'on_pad_added' invoking.

Depends a bit on the details of the pipeline, but in general you'd do

 caps = gst_pad_get_current_caps (new_pad);
 ..
 gst_caps_unref (caps);

And check the sample rate there (get_structure(caps,0) then
gst_structure_get_int()).

Cheers
 -Tim

-- 
Tim Müller, Centricular Ltd - http://www.centricular.com