C++ (Cpp) gst_message_new_request_state Exemples

Exemple #1

Fichier : gstjackaudioclient.c Projet : GrokImageCompression/gst-plugins-good

static gboolean
jack_handle_transport_change (GstJackAudioClient * client, GstState state)
{
  GstObject *obj = GST_OBJECT_PARENT (client->user_data);
  guint mode;

  g_object_get (obj, "transport", &mode, NULL);
  if ((mode & GST_JACK_TRANSPORT_SLAVE) && (GST_STATE (obj) != state)) {
    GST_INFO_OBJECT (obj, "requesting state change: %s",
        gst_element_state_get_name (state));
    gst_element_post_message (GST_ELEMENT (obj),
        gst_message_new_request_state (obj, state));
    return TRUE;
  }
  return FALSE;
}

Exemple #2

Fichier : gstnavseek.c Projet : Distrotech/gst-plugins-good

static void
gst_navseek_toggle_play_pause (GstNavSeek * navseek)
{
  GstStateChangeReturn sret;
  GstState current, pending, state;

  sret = gst_element_get_state (GST_ELEMENT (navseek), &current, &pending, 0);
  if (sret == GST_STATE_CHANGE_FAILURE)
    return;

  state = (pending != GST_STATE_VOID_PENDING) ? pending : current;

  gst_element_post_message (GST_ELEMENT (navseek),
      gst_message_new_request_state (GST_OBJECT (navseek),
          (state == GST_STATE_PLAYING) ? GST_STATE_PAUSED : GST_STATE_PLAYING));
}

Exemple #3

Fichier : message.cpp Projet : cyndis/qtgstreamer

RequestStateMessagePtr RequestStateMessage::create(const ObjectPtr & source, State state)
{
    GstMessage *m = gst_message_new_request_state(source, static_cast<GstState>(state));
    return RequestStateMessagePtr::wrap(m, false);
}