From 6b58311e9e86da117d3df7620841fbb57f834668 Mon Sep 17 00:00:00 2001
From: Bryan Schumaker <bjschuma@gmail.com>
Date: Sun, 6 Nov 2011 19:44:16 -0500
Subject: [PATCH] libsaria: Call next() at the end of the stream

It's nice to pick another song after the end of the current one.
---
 libsaria/audio/audio.cpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/libsaria/audio/audio.cpp b/libsaria/audio/audio.cpp
index 8b951cac..718c3b35 100644
--- a/libsaria/audio/audio.cpp
+++ b/libsaria/audio/audio.cpp
@@ -1,15 +1,41 @@
 
 #include <libsaria/audio.h>
+#include <libsaria/controls.h>
 #include <libsaria/print.h>
 #include "audio.h"
 
 static GstElement *player = NULL;
+static GstBus     *bus    = NULL;
 
 GstElement *get_player()
 {
 	return player;
 }
 
+static void parse_error(GstMessage *error)
+{
+	GError *err;
+	gchar  *debug;
+
+	gst_message_parse_error(error, &err, &debug);
+	g_print("Error: %s\n", err->message);
+	g_error_free(err);
+	g_free(debug);
+}
+
+static gboolean on_message(GstBus *bus, GstMessage *message, gpointer data)
+{
+	switch (GST_MESSAGE_TYPE(message)) {
+		case GST_MESSAGE_ERROR:
+			parse_error(message);
+		case GST_MESSAGE_EOS:
+			libsaria::next();
+		default:
+			break;
+	}
+	return TRUE;
+}
+
 namespace libsaria
 {
 
@@ -17,7 +43,11 @@ namespace libsaria
 	{
 		println("Initializing audio driver");
 		gst_init(&argc, &argv);
+
 		player = gst_element_factory_make("playbin2", "player");
+		bus    = gst_pipeline_get_bus(GST_PIPELINE(player));
+
+		gst_bus_add_watch(bus, on_message, NULL);
 		set_volume(1.0);
 	}