C++ (Cpp) GstXOverlayClass::expose Beispiele

Beispiel #1

/**
 * gst_x_overlay_expose:
 * @overlay: a #GstXOverlay to expose.
 *
 * Tell an overlay that it has been exposed. This will redraw the current frame
 * in the drawable even if the pipeline is PAUSED.
 */
void
gst_x_overlay_expose (GstXOverlay * overlay)
{
  GstXOverlayClass *klass;

  g_return_if_fail (overlay != NULL);
  g_return_if_fail (GST_IS_X_OVERLAY (overlay));

  klass = GST_X_OVERLAY_GET_CLASS (overlay);

  if (klass->expose) {
    klass->expose (overlay);
  }
}