Ejemplo n.º 1
0
/**
 * gst_x_overlay_set_window_handle:
 * @overlay: a #GstXOverlay to set the window on.
 * @handle: a handle referencing the window.
 *
 * This will call the video overlay's set_window_handle method. You
 * should use this method to tell to a XOverlay to display video output to a
 * specific window (e.g. an XWindow on X11). Passing 0 as the  @handle will
 * tell the overlay to stop using that window and create an internal one.
 *
 * Since: 0.10.31
 */
void
gst_x_overlay_set_window_handle (GstXOverlay * overlay, guintptr handle)
{
  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->set_window_handle) {
    klass->set_window_handle (overlay, handle);
  } else {
#ifndef GST_REMOVE_DEPRECATED
#ifdef GST_DISABLE_DEPRECATED
#define set_xwindow_id set_xwindow_id_disabled
#endif
    if (sizeof (guintptr) <= sizeof (gulong) && klass->set_xwindow_id) {
      GST_WARNING_OBJECT (overlay,
          "Calling deprecated set_xwindow_id() method");
      klass->set_xwindow_id (overlay, handle);
    } else {
      g_warning ("Refusing to cast guintptr to smaller gulong");
    }
#endif
  }
}
Ejemplo n.º 2
0
/**
 * gst_x_overlay_handle_events:
 * @overlay: a #GstXOverlay to expose.
 * @handle_events: a #gboolean indicating if events should be handled or not.
 *
 * Tell an overlay that it should handle events from the window system. These
 * events are forwared upstream as navigation events. In some window system,
 * events are not propagated in the window hierarchy if a client is listening
 * for them. This method allows you to disable events handling completely
 * from the XOverlay.
 *
 * Since: 0.10.12
 */
void
gst_x_overlay_handle_events (GstXOverlay * overlay, gboolean handle_events)
{
  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->handle_events) {
    klass->handle_events (overlay, handle_events);
  }
}
Ejemplo n.º 3
0
/**
 * 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);
  }
}
Ejemplo n.º 4
0
/**
 * gst_x_overlay_set_xwindow_id:
 * @overlay: a #GstXOverlay to set the XWindow on.
 * @xwindow_id: a #XID referencing the XWindow.
 *
 * This will call the video overlay's set_xwindow_id method. You should
 * use this method to tell to a XOverlay to display video output to a
 * specific XWindow. Passing 0 as the xwindow_id will tell the overlay to
 * stop using that window and create an internal one.
 */
void
gst_x_overlay_set_xwindow_id (GstXOverlay * overlay, gulong xwindow_id)
{
  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->set_xwindow_id) {
    klass->set_xwindow_id (overlay, xwindow_id);
  }
}
Ejemplo n.º 5
0
/**
 * gst_x_overlay_set_render_rectangle:
 * @overlay: a #GstXOverlay
 * @x: the horizontal offset of the render area inside the window
 * @y: the vertical offset of the render area inside the window
 * @width: the width of the render area inside the window
 * @height: the height of the render area inside the window
 *
 * Configure a subregion as a video target within the window set by
 * gst_x_overlay_set_window_handle(). If this is not used or not supported
 * the video will fill the area of the window set as the overlay to 100%.
 * By specifying the rectangle, the video can be overlayed to a specific region
 * of that window only. After setting the new rectangle one should call
 * gst_x_overlay_expose() to force a redraw. To unset the region pass -1 for
 * the @width and @height parameters.
 *
 * This method is needed for non fullscreen video overlay in UI toolkits that
 * do not support subwindows.
 *
 * Returns: %FALSE if not supported by the sink.
 *
 * Since: 0.10.29
 */
gboolean
gst_x_overlay_set_render_rectangle (GstXOverlay * overlay,
    gint x, gint y, gint width, gint height)
{
  GstXOverlayClass *klass;

  g_return_val_if_fail (overlay != NULL, FALSE);
  g_return_val_if_fail (GST_IS_X_OVERLAY (overlay), FALSE);
  g_return_val_if_fail ((width == -1 && height == -1) ||
      (width > 0 && height > 0), FALSE);

  klass = GST_X_OVERLAY_GET_CLASS (overlay);

  if (klass->set_render_rectangle) {
    klass->set_render_rectangle (overlay, x, y, width, height);
    return TRUE;
  }
  return FALSE;
}