diff options
Diffstat (limited to 'gst-libs/gst/xoverlay/xoverlay.c')
| -rw-r--r-- | gst-libs/gst/xoverlay/xoverlay.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/gst-libs/gst/xoverlay/xoverlay.c b/gst-libs/gst/xoverlay/xoverlay.c deleted file mode 100644 index f4d1e1cf..00000000 --- a/gst-libs/gst/xoverlay/xoverlay.c +++ /dev/null @@ -1,202 +0,0 @@ -/* GStreamer X-based Overlay - * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> - * - * tv-mixer.c: tv-mixer design virtual class function wrappers - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "xoverlay.h" - -enum -{ - HAVE_XWINDOW_ID, - DESIRED_SIZE, - LAST_SIGNAL -}; - -static guint gst_x_overlay_signals[LAST_SIGNAL] = { 0 }; - -static void gst_x_overlay_base_init (gpointer g_class); - -GType -gst_x_overlay_get_type (void) -{ - static GType gst_x_overlay_type = 0; - - if (!gst_x_overlay_type) { - static const GTypeInfo gst_x_overlay_info = { - sizeof (GstXOverlayClass), - gst_x_overlay_base_init, - NULL, - NULL, - NULL, - NULL, - 0, - 0, - NULL, - }; - - gst_x_overlay_type = g_type_register_static (G_TYPE_INTERFACE, - "GstXOverlay", &gst_x_overlay_info, 0); - g_type_interface_add_prerequisite (gst_x_overlay_type, - GST_TYPE_IMPLEMENTS_INTERFACE); - } - - return gst_x_overlay_type; -} - -/* FIXME: evil hack, we should figure out our marshal handling in this interfaces some day */ -extern void gst_marshal_VOID__INT_INT (GClosure * closure, - GValue * return_value, guint n_param_values, const GValue * param_values, - gpointer invocation_hint, gpointer marshal_data); - -static void -gst_x_overlay_base_init (gpointer g_class) -{ - GstXOverlayClass *overlay_class = (GstXOverlayClass *) g_class; - static gboolean initialized = FALSE; - - if (!initialized) { - gst_x_overlay_signals[HAVE_XWINDOW_ID] = - g_signal_new ("have-xwindow-id", - GST_TYPE_X_OVERLAY, G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GstXOverlayClass, have_xwindow_id), - NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); - gst_x_overlay_signals[DESIRED_SIZE] = - g_signal_new ("desired-size-changed", - GST_TYPE_X_OVERLAY, G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GstXOverlayClass, desired_size), - NULL, NULL, - gst_marshal_VOID__INT_INT, G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT); - - initialized = TRUE; - } - - overlay_class->set_xwindow_id = NULL; -} - -/** - * 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 = GST_X_OVERLAY_GET_CLASS (overlay); - - if (klass->set_xwindow_id) { - klass->set_xwindow_id (overlay, xwindow_id); - } -} - -/** - * gst_x_overlay_got_xwindow_id: - * @overlay: a #GstXOverlay which got a XWindow. - * @xwindow_id: a #XID referencing the XWindow. - * - * This will fire an have_xwindow_id signal. - * - * This function should be used by video overlay developpers. - */ -void -gst_x_overlay_got_xwindow_id (GstXOverlay * overlay, gulong xwindow_id) -{ - g_return_if_fail (overlay != NULL); - g_return_if_fail (GST_IS_X_OVERLAY (overlay)); - - g_signal_emit (G_OBJECT (overlay), - gst_x_overlay_signals[HAVE_XWINDOW_ID], 0, (gint) xwindow_id); -} - -/** - * gst_x_overlay_get_desired_size: - * @overlay: a #GstXOverlay which got a XWindow. - * @width: pointer to a gint taking the width or NULL. - * @height: pointer to a gint taking the height or NULL. - * - * Gets the desired size of the overlay. If the overlay doesn't know its desired - * size, width and height are set to 0. - */ -void -gst_x_overlay_get_desired_size (GstXOverlay * overlay, guint * width, - guint * height) -{ - guint width_tmp, height_tmp; - GstXOverlayClass *klass; - - g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE ((overlay), GST_TYPE_X_OVERLAY)); - - klass = GST_X_OVERLAY_GET_CLASS (overlay); - if (klass->get_desired_size && GST_IS_X_OVERLAY (overlay)) { - /* this ensures that elements don't need to check width and height for NULL - but apps may use NULL */ - klass->get_desired_size (overlay, width ? width : &width_tmp, - height ? height : &height_tmp); - } else { - if (width) - *width = 0; - if (height) - *height = 0; - } -} - -/** - * gst_x_overlay_got_desired_size: - * @overlay: a #GstXOverlay which changed its desired size. - * @width: The new desired width - * @height: The new desired height - * - * This will fire a "desired_size_changed" signal. - * - * This function should be used by video overlay developpers. - */ -void -gst_x_overlay_got_desired_size (GstXOverlay * overlay, guint width, - guint height) -{ - g_return_if_fail (GST_IS_X_OVERLAY (overlay)); - - g_signal_emit (G_OBJECT (overlay), - gst_x_overlay_signals[DESIRED_SIZE], 0, width, height); -} - -/** - * 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 = GST_X_OVERLAY_GET_CLASS (overlay); - - if (klass->expose) { - klass->expose (overlay); - } -} |