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configure.ac: Adding examples/switch/Makefile

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Original commit message from CVS:
2004-01-11  Julien MOUTTE  <julien@moutte.net>

* configure.ac: Adding examples/switch/Makefile
* examples/Makefile.am: Adding examples/switch
* examples/switch/Makefile.am: Adding switcher example.
* examples/switch/switcher.c: (got_eos), (idle_iterate),
(switch_timer), (main): Adding an example demonstrating switch usage
with 2 videotestsrc showing different patterns.
* gst/switch/gstswitch.c: (gst_switch_request_new_pad),
(gst_switch_init): Fixing switch with the new caps system.
This commit is contained in:
Julien Moutte 2004-01-11 17:32:37 +00:00
parent 1d6125fbd7
commit fa66fa64c5
5 changed files with 122 additions and 3 deletions
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1
configure.ac
View file

@ -1664,6 +1664,7 @@ examples/capsfilter/Makefile
examples/seeking/Makefile
examples/indexing/Makefile
examples/gstplay/Makefile
examples/switch/Makefile
examples/Makefile
testsuite/spider/Makefile
testsuite/alsa/Makefile

4
examples/Makefile.am
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@ -10,5 +10,5 @@ else
GTK_SUBDIRS=
endif
SUBDIRS=$(GTK_SUBDIRS) gstplay
DIST_SUBDIRS=capsfilter dynparams seeking indexing gstplay
SUBDIRS=$(GTK_SUBDIRS) gstplay switch
DIST_SUBDIRS=capsfilter dynparams seeking indexing gstplay switch

7
examples/switch/Makefile.am Normal file
View file

@ -0,0 +1,7 @@
noinst_PROGRAMS = switcher
switcher_SOURCES = switcher.c
switcher_CFLAGS = $(GST_CFLAGS)
switcher_LDFLAGS = $(GST_LIBS)

107
examples/switch/switcher.c Normal file
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@ -0,0 +1,107 @@
/* 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 ("ximagesink", "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 (GST_OBJECT (pipeline));
exit (0);
}

6
gst/switch/gstswitch.c
View file

@ -66,6 +66,7 @@ gst_switch_request_new_pad (GstElement *element,
g_return_val_if_fail (GST_IS_SWITCH (element), NULL);
/* We only provide requested sink pads */
if (templ->direction != GST_PAD_SINK) {
g_warning ("gstswitch: requested a non sink pad\n");
return NULL;
@ -80,6 +81,9 @@ gst_switch_request_new_pad (GstElement *element,
if (name)
g_free (name);
/* That pad will proxy caps */
gst_pad_set_getcaps_function (sinkpad, gst_pad_proxy_getcaps);
gst_element_add_pad (GST_ELEMENT (gstswitch), sinkpad);
switchpad = g_new0 (GstSwitchPad, 1);
@ -234,7 +238,7 @@ gst_switch_init (GstSwitch *gstswitch)
{
gstswitch->srcpad = gst_pad_new ("src", GST_PAD_SRC);
gst_element_add_pad (GST_ELEMENT (gstswitch), gstswitch->srcpad);
gst_pad_set_getcaps_function (gstswitch->srcpad, gst_pad_proxy_getcaps);
gst_element_set_loop_function (GST_ELEMENT (gstswitch), gst_switch_loop);
gstswitch->sinkpads = NULL;