#if MOZ_PLATFORM_MAEMO > 5
  g_object_connect(mPlayBin, "signal::source-setup",
      nsGStreamerReader::PlayBinSourceSetupCb, this, NULL);
#else
  g_signal_connect(G_OBJECT(mPlayBin), "notify::source",
      G_CALLBACK(nsGStreamerReader::PlayBinSourceSetupCb), this);
#endif
  return NS_OK;
}
#if !(MOZ_PLATFORM_MAEMO == 5)
void nsGStreamerReader::PlayBinSourceSetupCb(GstElement *aPlayBin,
                                             GstElement *aSource,
                                             gpointer aUserData)
{
  nsGStreamerReader *reader = reinterpret_cast<nsGStreamerReader*>(aUserData);
  reader->PlayBinSourceSetup(GST_APP_SRC(aSource));
}
#else
void nsGStreamerReader::PlayBinSourceSetupCb(GstElement *aPlayBin,
                                             GParamSpec *pspec,
                                             gpointer aUserData)
{
  GstElement *source;
  nsGStreamerReader *reader = reinterpret_cast<nsGStreamerReader*>(aUserData);

  g_object_get(aPlayBin, "source", &source, NULL);
  g_object_unref(source);
  reader->PlayBinSourceSetup(GST_APP_SRC(source));
}
#endif