mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-03 05:05:52 +00:00
d0bc038021
Original commit message from CVS: 2005-06-28 Andy Wingo <wingo@pobox.com> * *.c: Don't cast to GstObject before reffing/unreffing.
105 lines
3 KiB
C
105 lines
3 KiB
C
/* 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);
|
|
}
|