libsaria: Add progress file

This will include code for seeking and getting the current position in
the song.  Right now I just have a function for resetting the position
to the beginning of the song.

include/libsaria/progress.h

@@ -0,0 +1,3 @@
+
+void libsaria_seek();
+

libsaria/audio/controls.cpp

@@ -24,16 +24,3 @@ bool Audio::pause()
 {
 	return change_state(GST_STATE_PAUSED);
 }
-
-/*
- * Right now I just seek to the beginning of the song.
- * Eventually I should allow the user to seek anywhere.
- */
-void Audio::seek()
-{
-	gst_element_seek_simple(GST_ELEMENT(player),
-				GST_FORMAT_TIME,
-				GST_SEEK_FLAG_FLUSH,
-				// Convert seconds to nano-seconds
-				0 * GST_SECOND);
-}

libsaria/audio/progress.cpp

@@ -0,0 +1,15 @@
+
+#include <libsaria/audio.h>
+
+/*
+ * Right now I just seek to the beginning of the song.
+ * Eventually I should allow the user to seek anywhere.
+ */
+void Audio::seek()
+{
+	gst_element_seek_simple(GST_ELEMENT(player),
+				GST_FORMAT_TIME,
+				GST_SEEK_FLAG_FLUSH,
+				// Convert seconds to nano-seconds
+				0 * GST_SECOND);
+}

libsaria/controls.cpp

@@ -24,11 +24,6 @@ void Libsaria::stop()
 	seek();
 }
 
-void Libsaria::seek()
-{
-	audio.seek();
-}
-
 /*
  * Convenience functions for accessing libsaria class functions
  */

libsaria/progress.cpp

@@ -0,0 +1,21 @@
+
+#include <libsaria/libsaria.h>
+
+/*
+ * Implementations of functions defined in the libsaria class
+ */
+
+void Libsaria::seek()
+{
+	audio.seek();
+}
+
+/*
+ * Convenience functions for accessing libsaria class functions
+ */
+
+void libsaria_seek()
+{
+	libsaria_get()->seek();
+}
+