C++ (Cpp) gst_ghost_pad_construct Beispiele

Beispiel #1

Datei: gstglvideomixer.c Projekt: ndufresne/gst-plugins-bad

static GstGhostPad *
_create_video_mixer_input (GstGLMixerBin * self, GstPad * mixer_pad)
{
  GstGLVideoMixerInput *input =
      g_object_new (gst_gl_video_mixer_input_get_type (), "name",
      GST_OBJECT_NAME (mixer_pad), "direction", GST_PAD_DIRECTION (mixer_pad),
      NULL);
  GstControlBinding *cb;

  if (!gst_ghost_pad_construct (GST_GHOST_PAD (input))) {
    gst_object_unref (input);
    return NULL;
  }
#define ADD_PROXY_CONTROL_BINDING(prop)                                \
  cb = gst_gl_mixer_control_binding_proxy_new (GST_OBJECT (mixer_pad), \
      G_STRINGIFY (prop), GST_OBJECT (input), G_STRINGIFY (prop));     \
  gst_object_add_control_binding (GST_OBJECT (mixer_pad), cb)

  ADD_PROXY_CONTROL_BINDING (zorder);
  ADD_PROXY_CONTROL_BINDING (xpos);
  ADD_PROXY_CONTROL_BINDING (ypos);
  ADD_PROXY_CONTROL_BINDING (width);
  ADD_PROXY_CONTROL_BINDING (height);
  ADD_PROXY_CONTROL_BINDING (alpha);

#undef ADD_PROXY_CONTROL_BINDING

  input->mixer_pad = mixer_pad;

  return GST_GHOST_PAD (input);
}

Beispiel #2

Datei: gstghostpad.c Projekt: Grobik1/gstreamer

static GstPad *
gst_ghost_pad_new_full (const gchar * name, GstPadDirection dir,
    GstPadTemplate * templ)
{
  GstGhostPad *ret;

  g_return_val_if_fail (dir != GST_PAD_UNKNOWN, NULL);

  /* OBJECT CREATION */
  if (templ) {
    ret = g_object_new (GST_TYPE_GHOST_PAD, "name", name,
        "direction", dir, "template", templ, NULL);
  } else {
    ret = g_object_new (GST_TYPE_GHOST_PAD, "name", name,
        "direction", dir, NULL);
  }

  if (!gst_ghost_pad_construct (ret))
    goto construct_failed;

  return GST_PAD_CAST (ret);

construct_failed:
  /* already logged */
  gst_object_unref (ret);
  return NULL;
}