Added example indexing program for mpeg

Original commit message from CVS:
Added example indexing program for mpeg

examples/indexing/Makefile.am

@@ -0,0 +1,7 @@
+examples = indexmpeg
+
+noinst_PROGRAMS = $(examples)
+
+# we have nothing but apps here, we can do this safely
+LIBS = $(GST_LIBS) $(GTK_LIBS) $(FT2_LIBS)
+AM_CFLAGS = $(GST_CFLAGS) $(GTK_CFLAGS)

examples/indexing/indexmpeg.c

@@ -0,0 +1,101 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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
+entry_added (GstCache *tc, GstCacheEntry *entry)
+{
+  switch (entry->type) {
+    case GST_CACHE_ENTRY_ID:
+      g_print ("id %d describes writer %s\n", entry->id, 
+		      GST_CACHE_ID_DESCRIPTION (entry));
+      break;
+    case GST_CACHE_ENTRY_FORMAT:
+      g_print ("%d: registered format %d for %s\n", entry->id, 
+		      GST_CACHE_FORMAT_FORMAT (entry),
+		      GST_CACHE_FORMAT_KEY (entry));
+      break;
+    case GST_CACHE_ENTRY_ASSOCIATION:
+    {
+      gint i;
+
+      g_print ("%d: %08x ", entry->id, GST_CACHE_ASSOC_FLAGS (entry));
+      for (i = 0; i < GST_CACHE_NASSOCS (entry); i++) {
+	g_print ("%d %lld ", GST_CACHE_ASSOC_FORMAT (entry, i), 
+			     GST_CACHE_ASSOC_VALUE (entry, i));
+      }
+      g_print ("\n");
+      break;
+    }
+    default:
+      break;
+  }
+}
+
+static GstElement*
+make_mpeg_pipeline (const gchar *path)
+{
+  GstElement *pipeline;
+  GstElement *src, *demux;
+  GstCache *cache;
+
+  pipeline = gst_pipeline_new ("pipeline");
+
+  src = gst_element_factory_make ("filesrc", "src");
+  g_object_set (G_OBJECT (src), "location", path, NULL);
+
+  demux = gst_element_factory_make ("mpegdemux", "demux");
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), demux);
+
+  cache = gst_cache_new ();
+  g_signal_connect (G_OBJECT (cache), "entry_added", G_CALLBACK (entry_added), NULL);
+  gst_element_set_cache (demux, cache);
+
+  gst_element_connect_pads (src, "src", demux, "sink");
+  
+  return pipeline;
+}
+
+gint 
+main (gint argc, gchar *argv[])
+{
+  GstElement *pipeline;
+  
+  gst_init (&argc, &argv);
+
+  if (argc < 2) {
+    g_print ("usage: %s <filename>\n", argv[0]);
+    return -1;
+  }
+    
+
+  pipeline = make_mpeg_pipeline (argv[1]);
+
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+  while (gst_bin_iterate (GST_BIN (pipeline)));
+
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+
+  return 1;
+}
+