Added a simple mpeg2 player for testing mpeg2dec (later)

Original commit message from CVS:
Added a simple mpeg2 player for testing mpeg2dec (later)

test/mpeg2parse2.c

@@ -0,0 +1,123 @@
+
+#include <gnome.h>
+#include <gst/gst.h>
+
+GstElement *parse2, *queue;
+GtkWidget *appwindow;
+
+void eof(GstElement *src) {
+  g_print("have eos, quitting\n");
+  exit(0);
+}
+
+gboolean idle_func(gpointer data) {
+  gst_bin_iterate(GST_BIN(data));
+  return TRUE;
+}
+
+void mpeg2parse_newpad(GstElement *parser,GstPad *pad, GstElement *pipeline) {
+
+  g_print("***** a new pad %s was created\n", gst_pad_get_name(pad));
+  gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PAUSED);
+
+  if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
+
+    gst_pad_connect(pad, gst_element_get_pad(queue,"sink"));
+  }
+  gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
+}
+
+int main(int argc,char *argv[]) {
+  GstPipeline *pipeline;
+  GstElement *src, *parse;
+  GstElement *decode, *show, *thread;
+
+  g_print("have %d args\n",argc);
+
+  g_thread_init(NULL);
+  gtk_init(&argc,&argv);
+  gst_init(&argc,&argv);
+  gnome_init("MPEG2 Video player","0.0.1",argc,argv);
+  //gst_plugin_load("mpeg1parse");
+
+  pipeline = GST_PIPELINE(gst_pipeline_new("pipeline"));
+  g_return_val_if_fail(pipeline != NULL, -1);
+  thread = GST_ELEMENT(gst_thread_new("thread"));
+  g_return_val_if_fail(thread != NULL, -1);
+
+  if (strstr(argv[1],"video_ts")) {
+    src = gst_elementfactory_make("dvdsrc","src");
+    g_print("using DVD source\n");
+  } else
+    src = gst_elementfactory_make("disksrc","src");
+
+  g_return_val_if_fail(src != NULL, -1);
+  gtk_object_set(GTK_OBJECT(src),"location",argv[1],NULL);
+  if (argc >= 3) {
+    gtk_object_set(GTK_OBJECT(src),"bytesperread",atoi(argv[2]),NULL);
+    g_print("block size is %d\n",atoi(argv[2]));
+  }
+  g_print("should be using file '%s'\n",argv[1]);
+
+  parse = gst_elementfactory_make("mpeg2parse","parse");
+  //parse = gst_elementfactory_make("mpeg1parse","parse");
+  g_return_val_if_fail(parse != NULL, -1);
+
+  queue = gst_elementfactory_make("queue","queue");
+  g_return_if_fail(queue != NULL);
+  
+  /****
+   *  you can substitute mpeg2play with you own player here
+   *  optionally you can remove the pares2 element. make
+   *  sure to remove the pad connections too and don't add the
+   *  mp2videoparse element to the bin.
+   **/
+  parse2 = gst_elementfactory_make("mp2videoparse","parse");
+  g_return_if_fail(parse2 != NULL);
+  decode = gst_elementfactory_make("mpeg2play","decode_video");
+  g_return_if_fail(decode != NULL);
+
+  show = gst_elementfactory_make("videosink","show");
+  gtk_object_set(GTK_OBJECT(show),"xv_enabled",FALSE,NULL);
+  g_return_if_fail(show != NULL);
+
+  appwindow = gnome_app_new("MPEG player","MPEG player");
+  gnome_app_set_contents(GNOME_APP(appwindow),
+      	        gst_util_get_widget_arg(GTK_OBJECT(show),"widget"));
+  gtk_widget_show_all(appwindow);
+
+  gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src));
+  gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(parse));
+  gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(queue));
+
+  gst_bin_add(GST_BIN(thread),GST_ELEMENT(parse2));
+  gst_bin_add(GST_BIN(thread),GST_ELEMENT(decode));
+  gst_bin_add(GST_BIN(thread),GST_ELEMENT(show));
+
+  gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(thread));
+
+  gtk_signal_connect(GTK_OBJECT(parse),"new_pad",mpeg2parse_newpad, pipeline);
+
+  gtk_signal_connect(GTK_OBJECT(src),"eos",GTK_SIGNAL_FUNC(eof),NULL);
+
+  gst_pad_connect(gst_element_get_pad(src,"src"),
+                  gst_element_get_pad(parse,"sink"));
+
+  gst_pad_connect(gst_element_get_pad(queue,"src"),
+                  gst_element_get_pad(parse2,"sink"));
+  gst_pad_connect(gst_element_get_pad(parse2,"src"),
+                  gst_element_get_pad(decode,"sink"));
+  gst_pad_connect(gst_element_get_pad(decode,"src"),
+                  gst_element_get_pad(show,"sink"));
+
+  g_print("setting to PLAYING state\n");
+  gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
+
+  gtk_idle_add(idle_func,pipeline);
+
+  gdk_threads_enter();
+  gtk_main();
+  gdk_threads_leave();
+
+  return 0;
+}