/* GStreamer * Copyright (C) <1999> Erik Walthinsen * * 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. */ #include "unistd.h" #include static GRand *myrand; static GMainLoop *loop; static gboolean message_received (GstBus * bus, GstMessage * message, GstPipeline * pipeline) { g_print ("message %p\n", message); if (message->type == GST_MESSAGE_EOS) { g_print ("EOS!!\n"); if (g_main_loop_is_running (loop)) g_main_loop_quit (loop); } gst_message_unref (message); return TRUE; } static gboolean state_change (GstElement * element) { g_usleep (g_rand_int_range (myrand, 100, 600)); g_print ("pause..\n"); gst_element_set_state (element, GST_STATE_PAUSED); gst_element_get_state (element, NULL, NULL, NULL); g_print ("done\n"); g_usleep (g_rand_int_range (myrand, 50, 100)); g_print ("play..\n"); gst_element_set_state (element, GST_STATE_PLAYING); gst_element_get_state (element, NULL, NULL, NULL); g_print ("done\n"); return TRUE; } gint main (gint argc, gchar * argv[]) { GstElement *pipeline; GstElement *fakesrc1, *fakesink1; GstBus *bus; gst_init (&argc, &argv); myrand = g_rand_new (); pipeline = gst_pipeline_new ("pipeline"); loop = g_main_loop_new (NULL, FALSE); bus = gst_element_get_bus (pipeline); gst_bus_add_watch (bus, (GstBusHandler) message_received, pipeline); gst_object_unref (GST_OBJECT (bus)); fakesrc1 = gst_element_factory_make ("fakesrc", "fakesrc1"); g_object_set (G_OBJECT (fakesrc1), "num_buffers", 1000, NULL); fakesink1 = gst_element_factory_make ("fakesink", "fakesink1"); gst_bin_add (GST_BIN (pipeline), fakesrc1); gst_bin_add (GST_BIN (pipeline), fakesink1); gst_pad_link (gst_element_get_pad (fakesrc1, "src"), gst_element_get_pad (fakesink1, "sink")); g_signal_connect (G_OBJECT (pipeline), "deep_notify", G_CALLBACK (gst_object_default_deep_notify), NULL); g_idle_add ((GSourceFunc) state_change, pipeline); g_main_loop_run (loop); gst_element_set_state (pipeline, GST_STATE_NULL); gst_object_unref (GST_OBJECT (pipeline)); return 0; }