--- /dev/null
+/* GStreamer
+ * Copyright (C) <2008> Stefan Kost <ensonic@users.sf.net>
+ *
+ * test-colorkey: test manual colorkey handling
+ *
+ * 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 <stdlib.h>
+#include <string.h>
+
+#include <glib.h>
+#include <gdk/gdkx.h>
+#include <gtk/gtk.h>
+
+#include <gst/gst.h>
+#include <gst/interfaces/xoverlay.h>
+#include <gst/interfaces/propertyprobe.h>
+
+#if !GTK_CHECK_VERSION (2, 17, 7)
+static void
+gtk_widget_get_allocation (GtkWidget * w, GtkAllocation * a)
+{
+ *a = w->allocation;
+}
+#endif
+
+static GtkWidget *video_window = NULL;
+static GstElement *sink = NULL;
+static gulong embed_xid = 0;
+static GdkColor trans_color;
+static gboolean trans_color_set = FALSE;
+
+static void
+redraw_overlay (GtkWidget * widget)
+{
+ GtkAllocation allocation;
+ GdkWindow *window = gtk_widget_get_window (widget);
+ cairo_t *cr;
+
+ cr = gdk_cairo_create (window);
+ gtk_widget_get_allocation (widget, &allocation);
+
+ cairo_set_source_rgb (cr, 1, 1, 1);
+ cairo_rectangle (cr, 0, 0, allocation.width, allocation.height);
+ cairo_fill (cr);
+
+ if (trans_color_set) {
+ guint x, y;
+ guint h = allocation.height * 0.75;
+
+ gdk_cairo_set_source_color (cr, &trans_color);
+ cairo_rectangle (cr, 0, 0, allocation.width, h);
+ cairo_fill (cr);
+
+ for (y = h; y < allocation.height; y++) {
+ for (x = 0; x < allocation.width; x++) {
+ if (((x & 1) || (y & 1)) && (x & 1) != (y & 1)) {
+ cairo_move_to (cr, x, y);
+ cairo_paint (cr);
+ }
+ }
+ }
+ }
+}
+
+static gboolean
+handle_resize_cb (GtkWidget * widget, GdkEventConfigure * event, gpointer data)
+{
+ redraw_overlay (widget);
+ return FALSE;
+}
+
+static gboolean
+handle_expose_cb (GtkWidget * widget, GdkEventExpose * event, gpointer data)
+{
+ redraw_overlay (widget);
+ return FALSE;
+}
+
+static void
+realize_cb (GtkWidget * widget, gpointer data)
+{
+#if GTK_CHECK_VERSION(2,18,0)
+ {
+ GdkWindow *window = gtk_widget_get_window (widget);
+
+ /* This is here just for pedagogical purposes, GDK_WINDOW_XID will call it
+ * as well */
+ if (!gdk_window_ensure_native (window))
+ g_error ("Couldn't create native window needed for GstXOverlay!");
+ }
+#endif
+
+ {
+ GdkWindow *window = gtk_widget_get_window (video_window);
+
+ embed_xid = GDK_WINDOW_XID (window);
+ g_print ("Window realize: video window XID = %lu\n", embed_xid);
+ }
+}
+
+static void
+msg_state_changed (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
+{
+ const GstStructure *s;
+
+ s = gst_message_get_structure (message);
+
+ /* We only care about state changed on the pipeline */
+ if (s && GST_MESSAGE_SRC (message) == GST_OBJECT_CAST (pipeline)) {
+ GstState old, new, pending;
+ gint color;
+
+ gst_message_parse_state_changed (message, &old, &new, &pending);
+
+ /* When state of the pipeline changes to paused or playing we start updating scale */
+ switch (GST_STATE_TRANSITION (old, new)) {
+ case GST_STATE_CHANGE_READY_TO_PAUSED:{
+ g_object_get (G_OBJECT (sink), "colorkey", &color, NULL);
+ if (color != -1) {
+ trans_color.red = (color & 0xff0000) >> 8;
+ trans_color.green = (color & 0xff00);
+ trans_color.blue = (color & 0xff) << 8;
+ trans_color_set = TRUE;
+ } else {
+ trans_color_set = FALSE;
+ }
+ handle_resize_cb (video_window, NULL, NULL);
+ break;
+ }
+ default:
+ break;
+ }
+ }
+}
+
+static void
+window_closed (GtkWidget * widget, GdkEvent * event, gpointer user_data)
+{
+ GstElement *pipeline = user_data;
+
+ g_print ("stopping\n");
+ gtk_widget_hide (widget);
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+ gtk_main_quit ();
+}
+
+static gboolean
+start_pipeline (gpointer user_data)
+{
+ GstElement *pipeline = GST_ELEMENT (user_data);
+ GstStateChangeReturn sret;
+
+ sret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
+ if (sret == GST_STATE_CHANGE_FAILURE) {
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+ gst_object_unref (pipeline);
+ gtk_main_quit ();
+ }
+ return FALSE;
+}
+
+int
+main (int argc, char **argv)
+{
+ GtkWidget *window;
+ GstElement *pipeline, *src;
+ GstBus *bus;
+ GstStateChangeReturn sret;
+ GstPropertyProbe *probe;
+ GValueArray *arr;
+
+ if (!g_thread_supported ())
+ g_thread_init (NULL);
+
+ gst_init (&argc, &argv);
+ gtk_init (&argc, &argv);
+
+ /* prepare the pipeline */
+
+ pipeline = gst_pipeline_new ("xvoverlay");
+ src = gst_element_factory_make ("videotestsrc", NULL);
+ sink = gst_element_factory_make ("xvimagesink", NULL);
+ gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
+ gst_element_link (src, sink);
+
+#define COLOR_GRAY 0x7F7F7F
+
+ g_object_set (G_OBJECT (sink), "autopaint-colorkey", FALSE,
+ "force-aspect-ratio", TRUE, "draw-borders", FALSE,
+ "colorkey", COLOR_GRAY, NULL);
+
+ /* check xvimagesink capabilities */
+ sret = gst_element_set_state (pipeline, GST_STATE_READY);
+ if (sret == GST_STATE_CHANGE_FAILURE) {
+ g_printerr ("Can't set pipeline to READY\n");
+ gst_object_unref (pipeline);
+ return -1;
+ }
+
+ probe = GST_PROPERTY_PROBE (sink);
+ if (!probe) {
+ g_printerr ("Can't probe sink\n");
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+ gst_object_unref (pipeline);
+ return -1;
+ }
+ arr =
+ gst_property_probe_probe_and_get_values_name (probe,
+ "autopaint-colorkey");
+ if (!arr || !arr->n_values) {
+ g_printerr ("Can't disable autopaint-colorkey property\n");
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+ gst_object_unref (pipeline);
+ return -1;
+ }
+ if (arr)
+ g_value_array_free (arr);
+
+ bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
+ gst_bus_add_signal_watch_full (bus, G_PRIORITY_HIGH);
+ g_signal_connect (bus, "message::state-changed",
+ G_CALLBACK (msg_state_changed), pipeline);
+ gst_object_unref (bus);
+
+ /* prepare the ui */
+
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ g_signal_connect (G_OBJECT (window), "delete-event",
+ G_CALLBACK (window_closed), (gpointer) pipeline);
+ gtk_window_set_default_size (GTK_WINDOW (window), 320, 240);
+
+ video_window = gtk_drawing_area_new ();
+ g_signal_connect (G_OBJECT (video_window), "configure-event",
+ G_CALLBACK (handle_resize_cb), NULL);
+ g_signal_connect (G_OBJECT (video_window), "expose-event",
+ G_CALLBACK (handle_expose_cb), NULL);
+ g_signal_connect (video_window, "realize", G_CALLBACK (realize_cb), NULL);
+ gtk_widget_set_double_buffered (video_window, FALSE);
+ gtk_container_add (GTK_CONTAINER (window), video_window);
+
+ /* show the gui and play */
+
+ gtk_widget_show_all (window);
+
+ /* realize window now so that the video window gets created and we can
+ * obtain its XID before the pipeline is started up and the videosink
+ * asks for the XID of the window to render onto */
+ gtk_widget_realize (window);
+
+ /* we should have the XID now */
+ g_assert (embed_xid != 0);
+
+ /* we know what the video sink is in this case (xvimagesink), so we can
+ * just set it directly here now (instead of waiting for a prepare-xwindow-id
+ * element message in a sync bus handler and setting it there) */
+ g_print ("setting XID %lu\n", embed_xid);
+ gst_x_overlay_set_window_handle (GST_X_OVERLAY (sink), embed_xid);
+
+ g_idle_add (start_pipeline, pipeline);
+ gtk_main ();
+
+ gst_object_unref (pipeline);
+
+ return 0;
+}
projects / mafwsubrenderer / blobdiff