diff options
Diffstat (limited to 'examples/switch')
-rw-r--r-- | examples/switch/Makefile.am | 7 | ||||
-rw-r--r-- | examples/switch/switcher.c | 107 |
2 files changed, 114 insertions, 0 deletions
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 <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); +} |