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/* 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 <gst/gst.h>
static GMainLoop *loop = NULL;
static void
got_eos (GstElement * pipeline)
{
g_main_loop_quit (loop);
}
static gboolean
idle_iterate (GstElement * pipeline)
{
gst_bin_iterate (GST_BIN (pipeline));
return (GST_STATE (GST_ELEMENT (pipeline)) == GST_STATE_PLAYING);
}
static gboolean
switch_timer (GstElement * video_switch)
{
gint nb_sources, active_source;
g_object_get (G_OBJECT (video_switch), "nb_sources", &nb_sources, NULL);
g_object_get (G_OBJECT (video_switch), "active_source", &active_source, NULL);
active_source++;
if (active_source > nb_sources - 1)
active_source = 0;
g_object_set (G_OBJECT (video_switch), "active_source", active_source, NULL);
g_message ("current number of sources : %d, active source %d",
nb_sources, active_source);
return (GST_STATE (GST_ELEMENT (video_switch)) == GST_STATE_PLAYING);
}
int
main (int argc, char *argv[])
{
GstElement *pipeline, *src1, *src2, *video_switch, *video_sink;
/* 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);
video_switch = gst_element_factory_make ("switch", "video_switch");
video_sink = gst_element_factory_make (DEFAULT_VIDEOSINK, "video_sink");
gst_bin_add_many (GST_BIN (pipeline), src1, src2, video_switch,
video_sink, NULL);
gst_element_link (src1, video_switch);
gst_element_link (src2, video_switch);
gst_element_link (video_switch, video_sink);
g_signal_connect (G_OBJECT (pipeline), "eos", G_CALLBACK (got_eos), NULL);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
g_idle_add ((GSourceFunc) idle_iterate, pipeline);
g_timeout_add (2000, (GSourceFunc) switch_timer, video_switch);
g_main_loop_run (loop);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_READY);
/* unref */
gst_object_unref (pipeline);
exit (0);
}
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