mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-29 11:40:38 +00:00
99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/* GStreamer
|
|
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
*
|
|
* 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 <gst/gst.h>
|
|
|
|
static GstElement*
|
|
make_bin (gint count)
|
|
{
|
|
GstElement *bin;
|
|
GstElement *src;
|
|
char *name;
|
|
|
|
name = g_strdup_printf ("bin%d", count);
|
|
bin = gst_bin_new (name);
|
|
g_free (name);
|
|
|
|
name = g_strdup_printf ("fakesrc%d", count);
|
|
src = gst_element_factory_make ("fakesrc", name);
|
|
g_free (name);
|
|
|
|
gst_bin_add (GST_BIN (bin), src);
|
|
|
|
gst_element_add_ghost_pad (bin, gst_element_get_pad (src, "src"), "src");
|
|
|
|
return bin;
|
|
}
|
|
|
|
gint
|
|
main (gint argc, gchar *argv[])
|
|
{
|
|
GstElement *pipeline;
|
|
GstElement *aggregator, *sink;
|
|
GstElement *bin1, *bin2;
|
|
GstPad *pad1, *pad2;
|
|
gint i;
|
|
|
|
gst_init (&argc, &argv);
|
|
|
|
pipeline = gst_pipeline_new ("main");
|
|
g_signal_connect (pipeline, "deep_notify",
|
|
G_CALLBACK (gst_element_default_deep_notify), NULL);
|
|
|
|
aggregator = gst_element_factory_make ("aggregator", "mixer");
|
|
sink = gst_element_factory_make ("fakesink", "sink");
|
|
|
|
gst_bin_add (GST_BIN (pipeline), aggregator);
|
|
gst_bin_add (GST_BIN (pipeline), sink);
|
|
|
|
gst_element_link_pads (aggregator, "src", sink, "sink");
|
|
|
|
bin1 = make_bin (1);
|
|
pad1 = gst_element_get_request_pad (aggregator, "sink%d");
|
|
gst_pad_link (gst_element_get_pad (bin1, "src"), pad1);
|
|
gst_bin_add (GST_BIN (pipeline), bin1);
|
|
|
|
bin2 = make_bin (2);
|
|
pad2 = gst_element_get_request_pad (aggregator, "sink%d");
|
|
gst_pad_link (gst_element_get_pad (bin2, "src"), pad2);
|
|
gst_bin_add (GST_BIN (pipeline), bin2);
|
|
|
|
gst_element_set_state (pipeline, GST_STATE_PLAYING);
|
|
i = 2;
|
|
while (i--)
|
|
gst_bin_iterate (GST_BIN (pipeline));
|
|
|
|
g_print ("pause bin1\n");
|
|
gst_element_set_state (bin1, GST_STATE_PAUSED);
|
|
|
|
i = 4;
|
|
while (i--)
|
|
gst_bin_iterate (GST_BIN (pipeline));
|
|
|
|
g_print ("playing bin1\n");
|
|
gst_element_set_state (bin1, GST_STATE_PLAYING);
|
|
|
|
i = 4;
|
|
while (i--)
|
|
gst_bin_iterate (GST_BIN (pipeline));
|
|
|
|
gst_element_set_state (pipeline, GST_STATE_NULL);
|
|
|
|
return 0;
|
|
}
|