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tests/examples/typefind/typefind.c: Make typefind element example work again (#371894); add a license header.

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Original commit message from CVS:
* tests/examples/typefind/typefind.c: (type_found), (main):
Make typefind element example work again (#371894); add a
license header.
This commit is contained in:
Tim-Philipp Müller 2006-11-08 02:03:48 +00:00
parent de95dcc49b
commit 32e77c38a9
2 changed files with 52 additions and 23 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2006-11-07 Tim-Philipp Müller <tim at centricular dot net>
* tests/examples/typefind/typefind.c: (type_found), (main):
Make typefind element example work again (#371894); add a
license header.
2006-11-07 Tim-Philipp Müller <tim at centricular dot net>
* docs/random/draft-missing-plugins.txt:

69
tests/examples/typefind/typefind.c
View file

@ -1,20 +1,38 @@
/* GStreamer typefind element example
* Copyright (C) <2005> Stefan Kost
* Copyright (C) <2006> Tim-Philipp Müller
*
* 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 void
type_found (GstElement * typefind, const GstCaps * caps)
type_found (GstElement * typefind, guint probability, const GstCaps * caps,
gpointer user_data)
{
xmlDocPtr doc;
xmlNodePtr parent;
gchar *xml, *caps_str;
doc = xmlNewDoc ((xmlChar *) "1.0");
doc->xmlRootNode = xmlNewDocNode (doc, NULL, (xmlChar *) "Capabilities",
NULL);
caps_str = gst_caps_to_string (caps);
xml = g_markup_printf_escaped ("<?xml version=\"1.0\"?>\n<Capabilities>\n"
" <Caps1>%s</Caps1>\n</Capabilities>", caps_str);
g_free (caps_str);
parent = xmlNewChild (doc->xmlRootNode, NULL, (xmlChar *) "Caps1", NULL);
/* FIXME */
//gst_caps_save_thyself (caps, parent);
xmlDocDump (stdout, doc);
g_print ("%s\n", xml);
g_free (xml);
}
static void
@ -56,7 +74,7 @@ event_loop (GstElement * pipe)
int
main (int argc, char *argv[])
{
GstElement *bin, *filesrc, *typefind;
GstElement *pipeline, *filesrc, *typefind, *sink;
gst_init (&argc, &argv);
@ -65,9 +83,9 @@ main (int argc, char *argv[])
exit (-1);
}
/* create a new bin to hold the elements */
bin = gst_pipeline_new ("bin");
g_assert (bin != NULL);
/* create a new pipeline to hold the elements */
pipeline = gst_pipeline_new ("pipeline");
g_assert (pipeline != NULL);
/* create a file reader */
filesrc = gst_element_factory_make ("filesrc", "file_source");
@ -77,23 +95,28 @@ main (int argc, char *argv[])
typefind = gst_element_factory_make ("typefind", "typefind");
g_assert (typefind != NULL);
/* add objects to the main pipeline */
gst_bin_add (GST_BIN (bin), filesrc);
gst_bin_add (GST_BIN (bin), typefind);
sink = gst_element_factory_make ("fakesink", "sink");
g_assert (sink != NULL);
g_signal_connect (G_OBJECT (typefind), "have_type",
/* add objects to the main pipeline */
gst_bin_add (GST_BIN (pipeline), filesrc);
gst_bin_add (GST_BIN (pipeline), typefind);
gst_bin_add (GST_BIN (pipeline), sink);
g_signal_connect (G_OBJECT (typefind), "have-type",
G_CALLBACK (type_found), NULL);
gst_element_link (filesrc, typefind);
gst_element_link_many (filesrc, typefind, sink, NULL);
/* start playing */
gst_element_set_state (bin, GST_STATE_PLAYING);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
/* Run event loop listening for bus messages until EOS or ERROR */
event_loop (bin);
event_loop (pipeline);
/* stop the bin */
gst_element_set_state (bin, GST_STATE_NULL);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
exit (0);
}