libsaria: Create convenience functions for libsaria

Now I won't have to keep using libsaria_get() to access parts of
libsaria.  This should also cut down on the number of things that need
to be recompiled when libsaria is changed...

include/libsaria/controls.h

@@ -0,0 +1,12 @@
+
+#include <string>
+using namespace std;
+
+void libsaria_play();
+void libsaria_pause();
+void libsaria_stop();
+
+void libsaria_load(string);
+
+void libsaria_set_volume(double);
+double libsaria_get_volume();

libsaria/audio/audio.cpp

@@ -1,6 +1,6 @@
 
 #include <libsaria/audio.h>
-#include <libsaria/libsaria.h>
+#include <libsaria/print.h>
 
 static bool initialized = false;
 static void init_gstreamer(int argc, char **argv)

libsaria/controls.cpp

@@ -2,6 +2,10 @@
 #include <libsaria/libsaria.h>
 #include <libsaria/audio.h>
 
+/*
+ * Implementations of functions defined in the libsaria class
+ */
+
 void Libsaria::play()
 {
 	if(audio.play())
@@ -24,3 +28,22 @@ void Libsaria::seek()
 {
 	audio.seek();
 }
+
+/*
+ * Convenience functions for accessing libsaria class functions
+ */
+
+void libsaria_play()
+{
+	libsaria_get()->play();
+}
+
+void libsaria_pause()
+{
+	libsaria_get()->pause();
+}
+
+void libsaria_stop()
+{
+	libsaria_get()->stop();
+}

libsaria/libsaria.cpp

@@ -1,6 +1,10 @@
 
 #include <libsaria/libsaria.h>
 
+/*
+ * Implementations of functions defined in the libsaria class
+ */
+
 Libsaria::Libsaria(int argc, char **argv)
 {
 	audio.init(argc, argv);
@@ -26,3 +30,22 @@ double Libsaria::get_volume()
 {
 	return audio.get_volume();
 }
+
+/*
+ * Convenience functions for accessing libsaria class functions
+ */
+
+void libsaria_load(string filepath)
+{
+	libsaria_get()->load(filepath);
+}
+
+void libsaria_set_volume(double volume)
+{
+	libsaria_get()->set_volume(volume);
+}
+
+double libsaria_get_volume()
+{
+	return libsaria_get()->get_volume();
+}