mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-15 22:01:27 +00:00
100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/* GStreamer
|
|
* Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU 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
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <gst/gst.h>
|
|
|
|
static gboolean handoff;
|
|
|
|
static void
|
|
handoff_identity1 (GstElement * element)
|
|
{
|
|
g_print ("identity1 handoff\n");
|
|
handoff = TRUE;
|
|
}
|
|
|
|
static void
|
|
handoff_identity2 (GstElement * element)
|
|
{
|
|
g_print ("identity2 handoff\n");
|
|
handoff = TRUE;
|
|
}
|
|
|
|
gint
|
|
main (gint argc, gchar ** argv)
|
|
{
|
|
GstElement *pipeline, *src, *sink, *id1, *id2;
|
|
|
|
gst_init (&argc, &argv);
|
|
|
|
g_print ("setting up...\n");
|
|
/* setup pipeline */
|
|
pipeline = gst_element_factory_make ("pipeline", NULL);
|
|
g_assert (pipeline);
|
|
src = gst_element_factory_make ("fakesrc", NULL);
|
|
g_assert (src);
|
|
id1 = gst_element_factory_make ("identity", NULL);
|
|
g_assert (id1);
|
|
g_object_set (G_OBJECT (id1), "loop-based", TRUE, NULL);
|
|
g_object_set (G_OBJECT (id1), "duplicate", 3, NULL);
|
|
g_signal_connect (G_OBJECT (id1), "handoff", (GCallback) handoff_identity1,
|
|
NULL);
|
|
|
|
id2 = gst_element_factory_make ("identity", NULL);
|
|
g_assert (id2);
|
|
g_object_set (G_OBJECT (id2), "loop-based", TRUE, NULL);
|
|
g_signal_connect (G_OBJECT (id2), "handoff", (GCallback) handoff_identity2,
|
|
NULL);
|
|
|
|
sink = gst_element_factory_make ("fakesink", NULL);
|
|
g_assert (sink);
|
|
|
|
gst_bin_add_many (GST_BIN (pipeline), src, id1, id2, sink, NULL);
|
|
|
|
gst_element_link_pads (src, "src", id1, "sink");
|
|
gst_element_link_pads (id1, "src", id2, "sink");
|
|
gst_element_link_pads (id2, "src", sink, "sink");
|
|
|
|
if (gst_element_set_state (pipeline, GST_STATE_PLAYING) != GST_STATE_SUCCESS)
|
|
g_assert_not_reached ();
|
|
|
|
g_print ("running...\n");
|
|
gst_bin_iterate (GST_BIN (pipeline));
|
|
gst_bin_iterate (GST_BIN (pipeline));
|
|
gst_bin_iterate (GST_BIN (pipeline));
|
|
|
|
/* do ugly stuff here */
|
|
gst_object_ref (GST_OBJECT (id1));
|
|
gst_bin_remove (GST_BIN (pipeline), id1);
|
|
gst_element_link_pads (src, "src", id1, "sink");
|
|
gst_element_link_pads (id1, "src", id2, "sink");
|
|
|
|
gst_bin_iterate (GST_BIN (pipeline));
|
|
gst_bin_iterate (GST_BIN (pipeline));
|
|
gst_bin_iterate (GST_BIN (pipeline));
|
|
gst_bin_iterate (GST_BIN (pipeline));
|
|
gst_bin_iterate (GST_BIN (pipeline));
|
|
|
|
g_print ("cleaning up...\n");
|
|
gst_object_unref (GST_OBJECT (pipeline));
|
|
src = id1 = id2 = sink = pipeline = NULL;
|
|
|
|
g_print ("done.\n");
|
|
return 0;
|
|
}
|