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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "unistd.h"
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#include <gst/gst.h>
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static GRand *myrand;
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static GMainLoop *loop;
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static gboolean
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message_received (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
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{
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g_print ("message %p\n", message);
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if (message->type == GST_MESSAGE_EOS) {
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g_print ("EOS!!\n");
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if (g_main_loop_is_running (loop))
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g_main_loop_quit (loop);
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}
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gst_message_unref (message);
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return TRUE;
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}
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static gboolean
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state_change (GstElement * element)
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{
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g_usleep (g_rand_int_range (myrand, 100, 600));
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g_print ("pause..\n");
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gst_element_set_state (element, GST_STATE_PAUSED);
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gst_element_get_state (element, NULL, NULL, NULL);
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g_print ("done\n");
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g_usleep (g_rand_int_range (myrand, 50, 100));
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g_print ("play..\n");
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gst_element_set_state (element, GST_STATE_PLAYING);
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gst_element_get_state (element, NULL, NULL, NULL);
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g_print ("done\n");
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return TRUE;
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}
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gint
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main (gint argc, gchar * argv[])
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{
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GstElement *pipeline;
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GstElement *fakesrc1, *fakesink1;
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GstBus *bus;
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gst_init (&argc, &argv);
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myrand = g_rand_new ();
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pipeline = gst_pipeline_new ("pipeline");
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loop = g_main_loop_new (NULL, FALSE);
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bus = gst_element_get_bus (pipeline);
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gst_bus_add_watch (bus, (GstBusHandler) message_received, pipeline);
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gst_object_unref (GST_OBJECT (bus));
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fakesrc1 = gst_element_factory_make ("fakesrc", "fakesrc1");
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g_object_set (G_OBJECT (fakesrc1), "num_buffers", 1000, NULL);
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fakesink1 = gst_element_factory_make ("fakesink", "fakesink1");
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gst_bin_add (GST_BIN (pipeline), fakesrc1);
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gst_bin_add (GST_BIN (pipeline), fakesink1);
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gst_pad_link (gst_element_get_pad (fakesrc1, "src"),
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gst_element_get_pad (fakesink1, "sink"));
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g_signal_connect (G_OBJECT (pipeline), "deep_notify",
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G_CALLBACK (gst_object_default_deep_notify), NULL);
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g_idle_add ((GSourceFunc) state_change, pipeline);
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g_main_loop_run (loop);
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gst_object_unref (GST_OBJECT (pipeline));
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return 0;
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}
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