From fa66fa64c5db783088aaa9341d653375edc64c3f Mon Sep 17 00:00:00 2001 From: Julien Moutte Date: Sun, 11 Jan 2004 17:32:37 +0000 Subject: configure.ac: Adding examples/switch/Makefile Original commit message from CVS: 2004-01-11 Julien MOUTTE * 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. --- examples/Makefile.am | 4 +- examples/switch/Makefile.am | 7 +++ examples/switch/switcher.c | 107 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 116 insertions(+), 2 deletions(-) create mode 100644 examples/switch/Makefile.am create mode 100644 examples/switch/switcher.c (limited to 'examples') diff --git a/examples/Makefile.am b/examples/Makefile.am index 8c10c89e..d2537f29 100644 --- a/examples/Makefile.am +++ b/examples/Makefile.am @@ -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 diff --git a/examples/switch/Makefile.am b/examples/switch/Makefile.am new file mode 100644 index 00000000..9a706048 --- /dev/null +++ b/examples/switch/Makefile.am @@ -0,0 +1,7 @@ + +noinst_PROGRAMS = switcher + +switcher_SOURCES = switcher.c +switcher_CFLAGS = $(GST_CFLAGS) +switcher_LDFLAGS = $(GST_LIBS) + diff --git a/examples/switch/switcher.c b/examples/switch/switcher.c new file mode 100644 index 00000000..d0bc4a67 --- /dev/null +++ b/examples/switch/switcher.c @@ -0,0 +1,107 @@ +/* GStreamer + * Copyright (C) 2003 Julien Moutte + * + * 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 + +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); +} -- cgit v1.2.1