ESC/2010: move all files into esc/ dir

1 files changed, 106 insertions, 0 deletions

diff --git a/recipes/esc/esc-gst/a_gst.c b/recipes/esc/esc-gst/a_gst.c
new file mode 100644
index 0000000000..4b2763a1c8
--- /dev/null
+++ b/recipes/esc/esc-gst/a_gst.c
@@ -0,0 +1,106 @@
+/* Gstreamer Audio Player Example */
+
+#include <gst/gst.h>
+#include <glib.h>
+
+static gboolean
+bus_call (GstBus     *bus,
+          GstMessage *msg,
+          gpointer    data)
+{
+   GMainLoop *loop = (GMainLoop *) data;
+
+  switch (GST_MESSAGE_TYPE (msg)) {
+
+    case GST_MESSAGE_EOS:
+      g_print ("End of stream\n");
+      g_main_loop_quit (loop);
+      break;
+ 
+    case GST_MESSAGE_ERROR: {
+      gchar  *debug;
+      GError *error;
+ 
+      gst_message_parse_error (msg, &error, &debug);
+      g_free (debug);
+ 
+      g_printerr ("Error: %s\n", error->message);
+      g_error_free (error);
+
+      g_main_loop_quit (loop);
+      break;
+    }
+    default:
+      break;
+  }
+
+  return TRUE;
+}
+
+int
+main (int   argc,
+      char *argv[])
+{
+  GMainLoop *loop;
+ 
+  GstElement *pipeline, *source, *decoder, *sink;
+  GstBus *bus;
+ 
+  /* Initialisation */
+  gst_init (&argc, &argv);
+
+  loop = g_main_loop_new (NULL, FALSE);
+
+  /* Check input arguments */
+  if (argc != 2) {
+    g_printerr ("Usage: %s <MP3 filename>\n", argv[0]);
+    return -1;
+  }
+
+  /* Create gstreamer elements */
+  pipeline = gst_pipeline_new ("audio-player");
+  source   = gst_element_factory_make ("filesrc",       "file-source");
+  decoder  = gst_element_factory_make ("mad",     "mp3-decoder");
+  sink     = gst_element_factory_make ("alsasink", "audio-output");
+ 
+  if (!pipeline || !source || !decoder || !sink) {
+    g_printerr ("One element could not be created. Exiting.\n");
+    return -1;
+  }
+
+  /* Set up the pipeline */
+
+  /* we set the input filename to the source element */
+  g_object_set (G_OBJECT (source), "location", argv[1], NULL);
+ 
+  /* we add a message handler */
+  bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
+  gst_bus_add_watch (bus, bus_call, loop);
+  gst_object_unref (bus);
+ 
+  /* we add all elements into the pipeline */
+  /* filesource | mad | alsasink */
+  gst_bin_add_many (GST_BIN (pipeline),
+                    source, decoder, sink, NULL);
+
+  /* we link the elements together */
+  /* file-source -> mad -> alsasink */
+  gst_element_link_many (source,decoder, sink, NULL);
+
+  /* Set the pipeline to "playing" state*/
+  g_print ("Now playing: %s\n", argv[1]);
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+  /* Iterate */
+  g_print ("Running...\n");
+  g_main_loop_run (loop);
+ 
+  /* Out of the main loop, clean up nicely */
+  g_print ("Returned, stopping playback\n");
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+ 
+  g_print ("Deleting pipeline\n");
+  gst_object_unref (GST_OBJECT (pipeline));
+ 
+  return 0;
+}