[Bug 699754] Don't force elements of type source/sink to add two pads

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=699754
  GStreamer | gst-omx | 1.0.0

--- Comment #2 from jvarshney20 at gmail.com 2013-05-06 12:48:39 UTC ---
code in _class_init function in gstomx.c :-


/* Add pad templates */
  err = NULL;
  if (!(template_caps =
          g_key_file_get_string (config, element_name, "sink-template-caps",
              &err))) {
    GST_DEBUG
        ("No sink template caps specified for element '%s', using default
'%s'",
        element_name, class_data->default_sink_template_caps);
    caps = gst_caps_from_string (class_data->default_sink_template_caps);
    g_assert (caps != NULL);
    g_error_free (err);
  } else {
    caps = gst_caps_from_string (template_caps);
    if (!caps) {
      GST_DEBUG
          ("Could not parse sink template caps '%s' for element '%s', using
default '%s'",
          template_caps, element_name, class_data->default_sink_template_caps);
      caps = gst_caps_from_string (class_data->default_sink_template_caps);
      g_assert (caps != NULL);
    }
  }
  templ = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps);
  g_free (template_caps);
  gst_element_class_add_pad_template (element_class, templ);

  err = NULL;
  if (!(template_caps =
          g_key_file_get_string (config, element_name, "src-template-caps",
              &err))) {
    GST_DEBUG
        ("No src template caps specified for element '%s', using default '%s'",
        element_name, class_data->default_src_template_caps);
    caps = gst_caps_from_string (class_data->default_src_template_caps);
    g_assert (caps != NULL);
    g_error_free (err);
  } else {
    caps = gst_caps_from_string (template_caps);
    if (!caps) {
      GST_DEBUG
          ("Could not parse src template caps '%s' for element '%s', using
default '%s'",
          template_caps, element_name, class_data->default_src_template_caps);
      caps = gst_caps_from_string (class_data->default_src_template_caps);
      g_assert (caps != NULL);
    }
  }
  templ = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps);
  g_free (template_caps);
  gst_element_class_add_pad_template (element_class, templ);

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