Add example server that takes launch lines

Add an example server that streams any -launch line.

examples/Makefile.am

@@ -1,4 +1,4 @@
-noinst_PROGRAMS = test-video test-ogg test-mp4 test-readme
+noinst_PROGRAMS = test-video test-ogg test-mp4 test-readme test-launch
 
 INCLUDES = -I$(top_srcdir) -I$(srcdir)
 

examples/test-launch.c

@@ -0,0 +1,70 @@
+/* GStreamer
+ * Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.com>
+ *
+ * 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>
+
+#include <gst/rtsp-server/rtsp-server.h>
+
+int
+main (int argc, char *argv[])
+{
+  GMainLoop *loop;
+  GstRTSPServer *server;
+  GstRTSPMediaMapping *mapping;
+  GstRTSPMediaFactory *factory;
+
+  gst_init (&argc, &argv);
+
+  if (argc < 2) {
+    g_print ("usage: %s <launch line> \n"
+	"example: %s \"( videotestsrc ! x264enc ! rtph264pay name=pay0 pt=96 )\"\n",
+	argv[0], argv[0]);
+    return -1;
+  }
+
+  loop = g_main_loop_new (NULL, FALSE);
+
+  /* create a server instance */
+  server = gst_rtsp_server_new ();
+
+  /* get the mapping for this server, every server has a default mapper object
+   * that be used to map uri mount points to media factories */
+  mapping = gst_rtsp_server_get_media_mapping (server);
+
+  /* make a media factory for a test stream. The default media factory can use
+   * gst-launch syntax to create pipelines. 
+   * any launch line works as long as it contains elements named pay%d. Each
+   * element with pay%d names will be a stream */
+  factory = gst_rtsp_media_factory_new ();
+  gst_rtsp_media_factory_set_launch (factory, argv[1]);
+
+  /* attach the test factory to the /test url */
+  gst_rtsp_media_mapping_add_factory (mapping, "/test", factory);
+
+  /* don't need the ref to the mapper anymore */
+  g_object_unref (mapping);
+
+  /* attach the server to the default maincontext */
+  gst_rtsp_server_attach (server, NULL);
+
+  /* start serving */
+  g_main_loop_run (loop);
+
+  return 0;
+}