--- /dev/null
+/* GStreamer
+ * Copyright (C) 2003 Julien Moutte <julien@moutte.net>
+ *
+ * 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 <string.h>
+#include <stdlib.h>
+
+
+#include <gst/gst.h>
+
+static GMainLoop *loop = NULL;
+
+static gboolean
+my_bus_callback (GstBus * bus, GstMessage * message, gpointer data)
+{
+ g_print ("Got %s message\n", GST_MESSAGE_TYPE_NAME (message));
+
+ switch (GST_MESSAGE_TYPE (message)) {
+ case GST_MESSAGE_ERROR:{
+ GError *err;
+ gchar *debug;
+
+ gst_message_parse_error (message, &err, &debug);
+ g_print ("Error: %s\n", err->message);
+ g_error_free (err);
+ g_free (debug);
+
+ g_main_loop_quit (loop);
+ break;
+ }
+ case GST_MESSAGE_EOS:
+ /* end-of-stream */
+ g_main_loop_quit (loop);
+ break;
+ default:
+ /* unhandled message */
+ break;
+ }
+
+ /* we want to be notified again the next time there is a message
+ * on the bus, so returning TRUE (FALSE means we want to stop watching
+ * for messages on the bus and our callback should not be called again)
+ */
+ return TRUE;
+}
+
+
+
+static gboolean
+switch_timer (GstElement * video_switch)
+{
+ gint nb_sources;
+ GstPad *active_pad, *new_pad;
+ gchar *active_name;
+
+ g_message ("switching");
+ g_object_get (G_OBJECT (video_switch), "n-pads", &nb_sources, NULL);
+ g_object_get (G_OBJECT (video_switch), "active-pad", &active_pad, NULL);
+
+ active_name = gst_pad_get_name (active_pad);
+ if (strcmp (active_name, "sink0") == 0) {
+ new_pad = gst_element_get_static_pad (video_switch, "sink1");
+ } else {
+ new_pad = gst_element_get_static_pad (video_switch, "sink0");
+ }
+ g_object_set (G_OBJECT (video_switch), "active-pad", new_pad, NULL);
+ g_free (active_name);
+ gst_object_unref (new_pad);
+
+ g_message ("current number of sources : %d, active source %s",
+ nb_sources, gst_pad_get_name (active_pad));
+
+ return (GST_STATE (GST_ELEMENT (video_switch)) == GST_STATE_PLAYING);
+}
+
+static void
+last_message_received (GObject * segment)
+{
+ gchar *last_message;
+
+ g_object_get (segment, "last_message", &last_message, NULL);
+ g_print ("last-message: %s\n", last_message);
+ g_free (last_message);
+}
+
+int
+main (int argc, char *argv[])
+{
+ GstElement *pipeline, *src1, *src2, *video_switch, *video_sink, *segment;
+ GstElement *sink1_sync, *sink2_sync, *capsfilter;
+ GstBus *bus;
+
+ /* Initing GStreamer library */
+ gst_init (&argc, &argv);
+
+ loop = g_main_loop_new (NULL, FALSE);
+
+ pipeline = gst_pipeline_new ("pipeline");
+ src1 = gst_element_factory_make ("videotestsrc", "src1");
+ g_object_set (G_OBJECT (src1), "pattern", 0, NULL);
+ src2 = gst_element_factory_make ("videotestsrc", "src2");
+ g_object_set (G_OBJECT (src2), "pattern", 1, NULL);
+ capsfilter = gst_element_factory_make ("capsfilter", "caps0");
+ g_object_set (G_OBJECT (capsfilter), "caps",
+ gst_caps_from_string ("video/x-raw-rgb,width=640,height=480"), NULL);
+ video_switch = gst_element_factory_make ("input-selector", "video_switch");
+ segment = gst_element_factory_make ("identity", "identity-segment");
+ g_object_set (G_OBJECT (segment), "silent", TRUE, NULL);
+ g_signal_connect (G_OBJECT (segment), "notify::last-message",
+ G_CALLBACK (last_message_received), segment);
+ g_object_set (G_OBJECT (segment), "single-segment", TRUE, NULL);
+ video_sink = gst_element_factory_make ("ximagesink", "video_sink");
+ g_object_set (G_OBJECT (video_sink), "sync", FALSE, NULL);
+ sink1_sync = gst_element_factory_make ("identity", "sink0_sync");
+ g_object_set (G_OBJECT (sink1_sync), "sync", TRUE, NULL);
+ sink2_sync = gst_element_factory_make ("identity", "sink1_sync");
+ g_object_set (G_OBJECT (sink2_sync), "sync", TRUE, NULL);
+ gst_bin_add_many (GST_BIN (pipeline), src1, src2, segment, video_switch,
+ video_sink, sink1_sync, sink2_sync, capsfilter, NULL);
+ gst_element_link (src1, sink1_sync);
+ gst_element_link (sink1_sync, video_switch);
+ gst_element_link (src2, capsfilter);
+ gst_element_link (capsfilter, sink2_sync);
+ gst_element_link (sink2_sync, video_switch);
+ gst_element_link (video_switch, segment);
+ gst_element_link (segment, /*scaler);
+ gst_element_link (scaler, */ video_sink);
+
+ bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
+ gst_bus_add_watch (bus, my_bus_callback, NULL);
+ gst_object_unref (bus);
+ gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
+
+ g_timeout_add (200, (GSourceFunc) switch_timer, video_switch);
+
+ g_main_loop_run (loop);
+
+ gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_READY);
+
+ /* unref */
+ gst_object_unref (GST_OBJECT (pipeline));
+
+ exit (0);
+}
projects / mafwsubrenderer / blobdiff