mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-26 19:51:11 +00:00
- Added a little testapp for pad disable using two bins in a pipeline
Original commit message from CVS: - Added a little testapp for pad disable using two bins in a pipeline
This commit is contained in:
Wim Taymans
parent
75f15a288a
commit
22c6519ec9
6 changed files with 240 additions and 4 deletions
|
|
@ -7,10 +7,10 @@ endif
|
|||
SUBDIRS = autoplug $(GST_LOADSAVE_DIRS) \
|
||||
helloworld helloworld2 \
|
||||
queue queue2 queue3 queue4 \
|
||||
launch thread plugins mixer cutter
|
||||
launch thread plugins mixer cutter pingpong
|
||||
|
||||
DIST_SUBDIRS = autoplug \
|
||||
helloworld helloworld2 \
|
||||
queue queue2 queue3 queue4 \
|
||||
launch thread xml plugins typefind mixer cutter
|
||||
launch thread xml plugins typefind mixer cutter pingpong
|
||||
|
||||
|
|
|
|||
5
examples/pingpong/Makefile.am
Normal file
5
examples/pingpong/Makefile.am
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
noinst_PROGRAMS = pingpong
|
||||
|
||||
pingpong_LDADD = $(GST_LIBS)
|
||||
pingpong_CFLAGS = $(GST_CFLAGS)
|
||||
|
||||
113
examples/pingpong/pingpong.c
Normal file
113
examples/pingpong/pingpong.c
Normal file
|
|
@ -0,0 +1,113 @@
|
|||
/* 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;
|
||||
|
||||
bin = gst_bin_new (g_strdup_printf ("bin%d", count));
|
||||
src = gst_element_factory_make ("fakesrc", g_strdup_printf ("fakesrc%d", count));
|
||||
|
||||
gst_bin_add (GST_BIN (bin), src);
|
||||
|
||||
gst_element_add_ghost_pad (bin, gst_element_get_pad (src, "src"), "src");
|
||||
|
||||
return bin;
|
||||
}
|
||||
|
||||
static void
|
||||
property_change_callback (GObject *object, GstObject *orig, GParamSpec *pspec, gpointer data)
|
||||
{
|
||||
GValue value = { 0, }; /* the important thing is that value.type = 0 */
|
||||
gchar *str = 0;
|
||||
|
||||
if (pspec->flags & G_PARAM_READABLE) {
|
||||
/* let's not print these out for excluded properties... */
|
||||
g_value_init(&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
|
||||
g_object_get_property (G_OBJECT (orig), pspec->name, &value);
|
||||
str = g_strdup_value_contents (&value);
|
||||
g_print ("%s: %s = %s\n", GST_OBJECT_NAME (orig), pspec->name, str);
|
||||
g_free (str);
|
||||
g_value_unset(&value);
|
||||
} else {
|
||||
g_warning ("Parameter not readable. What's up with that?");
|
||||
}
|
||||
}
|
||||
|
||||
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 (property_change_callback), 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_connect_pads (aggregator, "src", sink, "sink");
|
||||
|
||||
bin1 = make_bin (1);
|
||||
pad1 = gst_element_get_request_pad (aggregator, "sink%d");
|
||||
gst_pad_connect (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_connect (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);
|
||||
gst_pad_set_active (pad1, FALSE);
|
||||
|
||||
i = 4;
|
||||
while (i--)
|
||||
gst_bin_iterate (GST_BIN (pipeline));
|
||||
|
||||
g_print ("playing bin1\n");
|
||||
gst_pad_set_active (pad1, TRUE);
|
||||
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;
|
||||
}
|
||||
|
|
@ -7,10 +7,10 @@ endif
|
|||
SUBDIRS = autoplug $(GST_LOADSAVE_DIRS) \
|
||||
helloworld helloworld2 \
|
||||
queue queue2 queue3 queue4 \
|
||||
launch thread plugins mixer cutter
|
||||
launch thread plugins mixer cutter pingpong
|
||||
|
||||
DIST_SUBDIRS = autoplug \
|
||||
helloworld helloworld2 \
|
||||
queue queue2 queue3 queue4 \
|
||||
launch thread xml plugins typefind mixer cutter
|
||||
launch thread xml plugins typefind mixer cutter pingpong
|
||||
|
||||
|
|
|
|||
5
tests/old/examples/pingpong/Makefile.am
Normal file
5
tests/old/examples/pingpong/Makefile.am
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
noinst_PROGRAMS = pingpong
|
||||
|
||||
pingpong_LDADD = $(GST_LIBS)
|
||||
pingpong_CFLAGS = $(GST_CFLAGS)
|
||||
|
||||
113
tests/old/examples/pingpong/pingpong.c
Normal file
113
tests/old/examples/pingpong/pingpong.c
Normal file
|
|
@ -0,0 +1,113 @@
|
|||
/* 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;
|
||||
|
||||
bin = gst_bin_new (g_strdup_printf ("bin%d", count));
|
||||
src = gst_element_factory_make ("fakesrc", g_strdup_printf ("fakesrc%d", count));
|
||||
|
||||
gst_bin_add (GST_BIN (bin), src);
|
||||
|
||||
gst_element_add_ghost_pad (bin, gst_element_get_pad (src, "src"), "src");
|
||||
|
||||
return bin;
|
||||
}
|
||||
|
||||
static void
|
||||
property_change_callback (GObject *object, GstObject *orig, GParamSpec *pspec, gpointer data)
|
||||
{
|
||||
GValue value = { 0, }; /* the important thing is that value.type = 0 */
|
||||
gchar *str = 0;
|
||||
|
||||
if (pspec->flags & G_PARAM_READABLE) {
|
||||
/* let's not print these out for excluded properties... */
|
||||
g_value_init(&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
|
||||
g_object_get_property (G_OBJECT (orig), pspec->name, &value);
|
||||
str = g_strdup_value_contents (&value);
|
||||
g_print ("%s: %s = %s\n", GST_OBJECT_NAME (orig), pspec->name, str);
|
||||
g_free (str);
|
||||
g_value_unset(&value);
|
||||
} else {
|
||||
g_warning ("Parameter not readable. What's up with that?");
|
||||
}
|
||||
}
|
||||
|
||||
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 (property_change_callback), 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_connect_pads (aggregator, "src", sink, "sink");
|
||||
|
||||
bin1 = make_bin (1);
|
||||
pad1 = gst_element_get_request_pad (aggregator, "sink%d");
|
||||
gst_pad_connect (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_connect (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);
|
||||
gst_pad_set_active (pad1, FALSE);
|
||||
|
||||
i = 4;
|
||||
while (i--)
|
||||
gst_bin_iterate (GST_BIN (pipeline));
|
||||
|
||||
g_print ("playing bin1\n");
|
||||
gst_pad_set_active (pad1, TRUE);
|
||||
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;
|
||||
}
|
||||
Loading…
Reference in a new issue